diff options
100 files changed, 12945 insertions, 0 deletions
diff --git a/sys/boot/Makefile b/sys/boot/Makefile new file mode 100644 index 0000000..1de5941 --- /dev/null +++ b/sys/boot/Makefile @@ -0,0 +1,4 @@ +# Pick the subdir based on the target architecture. +SUBDIR= ${MACHINE_ARCH} + +.include <bsd.subdir.mk> diff --git a/sys/boot/alpha/Makefile b/sys/boot/alpha/Makefile new file mode 100644 index 0000000..81dec03 --- /dev/null +++ b/sys/boot/alpha/Makefile @@ -0,0 +1,6 @@ +# $Id$ + +SUBDIR= libalpha +SUBDIR+= boot1 boot2 netboot + +.include <bsd.subdir.mk> diff --git a/sys/boot/alpha/Makefile.inc b/sys/boot/alpha/Makefile.inc new file mode 100644 index 0000000..f041076 --- /dev/null +++ b/sys/boot/alpha/Makefile.inc @@ -0,0 +1,6 @@ +# Options used when building app-specific libalpha components +PRIMARY_LOAD_ADDRESS= 20000000 # "Region 1 start" +SECONDARY_LOAD_ADDRESS= 2000c000 # "Region 1 start" + 48k +HEAP_LIMIT= 20040000 # "Region 1 start" + 256k + +BINDIR= /usr/mdec diff --git a/sys/boot/alpha/boot1/Makefile b/sys/boot/alpha/boot1/Makefile new file mode 100644 index 0000000..f97f5fb --- /dev/null +++ b/sys/boot/alpha/boot1/Makefile @@ -0,0 +1,47 @@ +# $NetBSD: Makefile,v 1.15 1998/03/28 00:21:35 thorpej Exp $ + +.include <../Makefile.inc> + +PROG = boot1 + +.PATH: ${.CURDIR}/../../common +.PATH: ${.CURDIR}/../libalpha + +SRCS= start.S boot1.c sys.c +CFLAGS+= -mno-fp-regs +CFLAGS+= -I${.CURDIR}/../../common -I${.CURDIR} +LIBSTANDDIR= /home/dfr/FreeBSD/alpha/src/lib/libstand +LIBSTAND= ${LIBSTANDDIR}/obj/libstand.a +CFLAGS+= -I${LIBSTANDDIR} +LIBALPHA= ${.CURDIR}/../libalpha/obj/libalpha.a +CFLAGS+= -I${.CURDIR}/.. +CFLAGS+= -DSECONDARY_LOAD_ADDRESS=0x${SECONDARY_LOAD_ADDRESS} -DMINIMAL +NOMAN=1 +STRIP= + +BOOT_RELOC = ${PRIMARY_LOAD_ADDRESS} + +CLEANFILES+= ${PROG}.sym ${PROG}.nosym ${PROG}.list + +all: ${PROG} + +afterinstall: + ln -sf boot1 /usr/mdec/sdboot + +${PROG}.nosym: ${PROG}.sym + cp ${PROG}.sym ${PROG}.nosym + strip ${PROG}.nosym + +${PROG}: ${PROG}.nosym + objcopy -O binary ${PROG}.nosym ${PROG} + +.include <bsd.prog.mk> + +start.o: ${.CURDIR}/../libalpha/start.S + ${CC} -c -DPRIMARY_BOOTBLOCK $< + +${PROG}.sym: ${OBJS} ${LIBKERN} + ${LD} -M -Ttext ${BOOT_RELOC} -N -e start -o ${PROG}.sym ${OBJS} \ + ${LIBSTAND} ${LIBALPHA} ${LIBSTAND} > ${.OBJDIR}/${PROG}.list + size ${PROG}.sym + diff --git a/sys/boot/alpha/boot1/boot1.c b/sys/boot/alpha/boot1/boot1.c new file mode 100644 index 0000000..e52987a --- /dev/null +++ b/sys/boot/alpha/boot1/boot1.c @@ -0,0 +1,188 @@ +/* + * $Id$ + * From $NetBSD: bootxx.c,v 1.4 1997/09/06 14:08:29 drochner Exp $ + */ + +/* + * Copyright (c) 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include <sys/param.h> + +#include <machine/prom.h> + +#define DEBUGxx + +extern end[]; +int errno; + +char *heap = (char*) end; + +void +putchar(int c) +{ + if (c == '\n') + prom_putchar('\r'); + prom_putchar(c); +} + +void +puts(const char *s) +{ + while (*s) + putchar(*s++); +} + +void * +malloc(size_t size) +{ + char *p = heap; + size = (size + 7) & ~7; + heap += size; + return p; +} + +void +free(void * p) +{ +} + +void +panic(const char *message, ...) +{ + puts(message); + puts("\r\n"); + halt(); +} + +int prom_fd = 0; + +int +devopen() +{ + prom_return_t ret; + char devname[64]; + + if (prom_fd) + return; + + ret.bits = prom_getenv(PROM_E_BOOTED_DEV, devname, sizeof devname); + + ret.bits = prom_open(devname, ret.u.retval + 1); + if (ret.u.status) + panic("devopen: open failed\n"); + + prom_fd = ret.u.retval; + + /* XXX read disklabel and setup partition offset */ + + return 0; +} + +#ifdef DEBUG + +void +puthex(u_long v) +{ + int digit; + char hex[] = "0123456789abcdef"; + + if (!v) { + puts("0"); + return; + } + + for (digit = 0; v >= (0x10L << digit); digit += 4) + ; + + for (; digit >= 0; digit -= 4) + putchar(hex[(v >> digit) & 0xf]); +} + +#endif + +void +devread(char *buf, int block, size_t size) +{ +#ifdef DEBUG + puts("devread("); + puthex((u_long)buf); + puts(","); + puthex(block); + puts(","); + puthex(size); + puts(")\n"); +#endif + + prom_read(prom_fd, size, buf, block); +} + +void +devclose() +{ + if (prom_fd) { + prom_close(prom_fd); + prom_fd = 0; + } +} + +void +loadfile(char *name, char *addr) +{ + int n; + + if (openrd(name)) { + puts("Can't open file "); + puts(name); + puts("\n"); + halt(); + } + + do { + n = read(addr, 1024); + addr += n; + twiddle(); + } while (n > 0); + + devclose(); +} + +void +main() +{ + char *loadaddr = (char*) SECONDARY_LOAD_ADDRESS; + char *p; + void (*entry) __P((void)); + + int i; + + init_prom_calls(); + + loadfile("/boot/boot2", loadaddr); + + entry = (void (*)())loadaddr; + (*entry)(); +} diff --git a/sys/boot/alpha/boot1/sys.c b/sys/boot/alpha/boot1/sys.c new file mode 100644 index 0000000..1c0d912 --- /dev/null +++ b/sys/boot/alpha/boot1/sys.c @@ -0,0 +1,187 @@ +/* + * Mach Operating System + * Copyright (c) 1992, 1991 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + * + * from: Mach, Revision 2.2 92/04/04 11:36:34 rpd + * fromL Id: sys.c,v 1.21 1997/06/09 05:10:56 bde Exp + * $Id$ + */ + +#include <sys/param.h> +#include <sys/time.h> + +#include <ufs/ffs/fs.h> +#include <ufs/ufs/quota.h> +#include <ufs/ufs/inode.h> + +#include <sys/dirent.h> + +struct fs *fs; +struct inode inode; +int boff = 0; + +#if 0 +/* #define BUFSIZE 4096 */ +#define BUFSIZE MAXBSIZE + +static char buf[BUFSIZE], fsbuf[SBSIZE], iobuf[MAXBSIZE]; +#endif + +#define BUFSIZE 8192 +#define MAPBUFSIZE BUFSIZE +static char buf[BUFSIZE], fsbuf[BUFSIZE], iobuf[BUFSIZE]; + +static char mapbuf[MAPBUFSIZE]; +static int mapblock; + +int poff; + +#ifdef RAWBOOT +#define STARTBYTE 8192 /* Where on the media the kernel starts */ +#endif + +static int block_map(int file_block); +static int find(char *path); + +int +read(char *buffer, int count) +{ + int logno, off, size; + int cnt2, bnum2; + struct fs *fs_copy; + int n = 0; + + if (poff + count > inode.i_size) + count = inode.i_size - poff; + while (count > 0 && poff < inode.i_size) { + fs_copy = fs; + off = blkoff(fs_copy, poff); + logno = lblkno(fs_copy, poff); + cnt2 = size = blksize(fs_copy, &inode, logno); + bnum2 = fsbtodb(fs_copy, block_map(logno)) + boff; + if ( (!off) && (size <= count)) { + devread(buffer, bnum2, cnt2); + } else { + size -= off; + if (size > count) + size = count; + devread(iobuf, bnum2, cnt2); + bcopy(iobuf+off, buffer, size); + } + buffer += size; + count -= size; + poff += size; + n += size; + } + return n; +} + +static int +find(char *path) +{ + char *rest, ch; + int block, off, loc, ino = ROOTINO; + struct dirent *dp; + char list_only; + + list_only = (path[0] == '?' && path[1] == '\0'); + loop: + devread(iobuf, fsbtodb(fs, ino_to_fsba(fs, ino)) + boff, fs->fs_bsize); + bcopy((void *)&((struct dinode *)iobuf)[ino % fs->fs_inopb], + (void *)&inode.i_din, + sizeof (struct dinode)); + if (!*path) + return 1; + while (*path == '/') + path++; + if (!inode.i_size || ((inode.i_mode&IFMT) != IFDIR)) + return 0; + for (rest = path; (ch = *rest) && ch != '/'; rest++) ; + *rest = 0; + loc = 0; + do { + if (loc >= inode.i_size) { + if (list_only) { + putchar('\n'); + return -1; + } else { + return 0; + } + } + if (!(off = blkoff(fs, loc))) { + block = lblkno(fs, loc); + devread(iobuf, fsbtodb(fs, block_map(block)) + boff, + blksize(fs, &inode, block)); + } + dp = (struct dirent *)(iobuf + off); + loc += dp->d_reclen; + if (dp->d_fileno && list_only) { + puts(dp->d_name); + putchar(' '); + } + } while (!dp->d_fileno || strcmp(path, dp->d_name)); + ino = dp->d_fileno; + *(path = rest) = ch; + goto loop; +} + + +static int +block_map(int file_block) +{ + int bnum; + if (file_block < NDADDR) + return(inode.i_db[file_block]); + if ((bnum=fsbtodb(fs, inode.i_ib[0])+boff) != mapblock) { + devread(mapbuf, bnum, fs->fs_bsize); + mapblock = bnum; + } + return (((int *)mapbuf)[(file_block - NDADDR) % NINDIR(fs)]); +} + + +int +openrd(char *name) +{ + int ret; + + if (devopen()) + return 1; + + /* + * Load Filesystem info (mount the device). + */ + devread((char *)(fs = (struct fs *)fsbuf), SBLOCK + boff, SBSIZE); + + /* + * Find the actual FILE on the mounted device. + */ + ret = find(name); + if (ret == 0) + return 1; + if (ret < 0) + return -1; + poff = 0; + return 0; +} diff --git a/sys/boot/alpha/boot2/Makefile b/sys/boot/alpha/boot2/Makefile new file mode 100644 index 0000000..1d833b1 --- /dev/null +++ b/sys/boot/alpha/boot2/Makefile @@ -0,0 +1,69 @@ +# $NetBSD: Makefile,v 1.12 1998/02/19 14:18:36 drochner Exp $ + +BASE= boot2 +PROG= ${BASE} +NOMAN= +NEWVERSWHAT= "SRM disk boot" + +.PATH: ${.CURDIR}/../common + +# i386-specific bootstrap sources +SRCS+= main.c conf.c + +# Always add MI sources +.PATH: ${.CURDIR}/../../common +.include <${.CURDIR}/../../common/Makefile.inc> +CFLAGS+= -mno-fp-regs +CFLAGS+= -I${.CURDIR}/../../common -I${.CURDIR} +# Verbose ls causes extra heap usage +CFLAGS+= -DVERBOSE_LS + +CLEANFILES+= vers.c vers.o gensetdefs.o gensetdefs setdef0.o setdef1.o \ + setdefs.h start.o +CLEANFILES+= ${BASE} ${BASE}.sym ${BASE}.list + +CFLAGS+= -Wall + +# XXX fix to use "standard" versions +LIBSTANDDIR= /home/dfr/FreeBSD/alpha/src/lib/libstand +LIBSTAND= ${LIBSTANDDIR}/obj/libstand.a +CFLAGS+= -I${LIBSTANDDIR} +LIBALPHA= ${.CURDIR}/../libalpha/obj/libalpha.a +CFLAGS+= -I${.CURDIR}/.. +CRT= start.o +STRIP= + +all: ${BASE} + +vers.o: ${.CURDIR}/newvers.sh ${.CURDIR}/Makefile + sh ${.CURDIR}/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT} + ${CC} -c vers.c + +${BASE}: ${BASE}.sym + objcopy -O binary ${BASE}.sym ${BASE} + +${BASE}.sym: ${OBJS} ${LIBSTAND} ${LIBALPHA} ${CRT} vers.o setdef0.o setdef1.o + ${LD} -o ${BASE}.sym -M -e start -N -Ttext ${SECONDARY_LOAD_ADDRESS} \ + ${CRT} setdef0.o ${OBJS} setdef1.o \ + vers.o ${LIBSTAND} ${LIBALPHA} ${LIBSTAND} >${.OBJDIR}/${BASE}.list + +# Other fragments still to be brought in from ../Makfile.booters? +start.o: ${.CURDIR}/../libalpha/start.S + ${CC} -c $< + +setdef0.o: setdefs.h + +setdef1.o: setdefs.h + +.include <bsd.prog.mk> + +setdefs.h: gensetdefs ${OBJS} + @echo Generating linker sets + @./gensetdefs ${OBJS} >setdefs.h + +gensetdefs: gensetdefs.o + ${CC} -static gensetdefs.o -o $@ + +gensetdefs.o: gensetdefs.c + ${CC} -c $< + diff --git a/sys/boot/alpha/boot2/boot2.list b/sys/boot/alpha/boot2/boot2.list new file mode 100644 index 0000000..00e2eaa --- /dev/null +++ b/sys/boot/alpha/boot2/boot2.list @@ -0,0 +1,1000 @@ +Archive member included because of file (symbol) + +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ufs.o) + conf.o (ufs_fsops) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(stat.o) + ls.o (stat) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(__reml.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ufs.o) (__reml) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(__remlu.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ufs.o) (__remlu) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(__divl.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ufs.o) (__divl) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(__divlu.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ufs.o) (__divlu) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strncpy.o) + boot.o (strncpy) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strcat.o) + misc.o (strcat) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(pager.o) + commands.o (pager_open) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(getopt.o) + ls.o (optind) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(environment.o) + commands.o (environ) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strtol.o) + boot.o (strtol) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strchr.o) + boot.o (strchr) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strerror.o) + commands.o (strerror) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strdup.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(environment.o) (strdup) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(gets.o) + interp.o (ngets) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(zipfs.o) + conf.o (zipfs_fsops) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(read.o) + ls.o (read) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(open.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(read.o) (files) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(close.o) + interp.o (close) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(fstat.o) + ls.o (fstat) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(nullfs.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ufs.o) (null_write) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inflate.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(zipfs.o) (inflateEnd) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infblock.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inflate.o) (inflate_blocks_reset) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(adler32.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inflate.o) (adler32) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strrchr.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(zipfs.o) (strrchr) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strcmp.o) + console.o (strcmp) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(twiddle.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ufs.o) (twiddle) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(zutil.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inflate.o) (zcalloc) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inftrees.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infblock.o) (inflate_trees_bits) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infcodes.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infblock.o) (inflate_codes_new) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(alloc.o) + main.o (setheap) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inffast.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infcodes.o) (inflate_fast) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infutil.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infblock.o) (inflate_mask) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bcopy.o) + interp.o (bcopy) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) + interp.o (errno) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bzero.o) + start.o (bzero) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(printf.o) + main.o (printf) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(__remqu.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strtol.o) (__remqu) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(__divqu.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strtol.o) (__divqu) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strlen.o) + boot.o (strlen) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bcd.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(printf.o) (hex2ascii_data) +/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(srmdisk.o) + conf.o (srmdisk) +/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(devicename.o) + main.o (alpha_getdev) +/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(alpha_module.o) + main.o (alpha_boot) +/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(time.o) + boot.o (time) +/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(delay.o) + main.o (delay) +/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(reboot.o) + main.o (reboot) +/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(elf_freebsd.o) + conf.o (alpha_elf) +/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(OSFpal.o) + main.o (OSFpal) +/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(getsecs.o) + /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(time.o) (getsecs) 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/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(srmdisk.o) (noioctl) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(closeall.o) + /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(elf_freebsd.o) (closeall) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strncmp.o) + /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(devicename.o) (strncmp) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strcpy.o) + /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(devicename.o) (strcpy) + +Allocating common symbols +Common symbol size file + +domainname 0x80 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) +nameip 0x4 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) +hostnamelen 0x4 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) +command_errmsg 0x8 commands.o +errno 0x4 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0x14 /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/boot2/../libalpha/obj/libalpha.a(prom.o) + .note 0x000000000001b870 0x14 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(lseek.o) + .note 0x000000000001b884 0x14 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(dev.o) + .note 0x000000000001b898 0x14 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(closeall.o) + .note 0x000000000001b8ac 0x14 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strncmp.o) + .note 0x000000000001b8c0 0x14 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strcpy.o) diff --git a/sys/boot/alpha/boot2/conf.c b/sys/boot/alpha/boot2/conf.c new file mode 100644 index 0000000..6a708f1 --- /dev/null +++ b/sys/boot/alpha/boot2/conf.c @@ -0,0 +1,83 @@ +/* + * $Id$ + * From $NetBSD: conf.c,v 1.2 1997/03/22 09:03:29 thorpej Exp $ + */ + +/* + * Copyright (c) 1997 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +#include <stand.h> +#include "libalpha/libalpha.h" + +/* + * We could use linker sets for some or all of these, but + * then we would have to control what ended up linked into + * the bootstrap. So it's easier to conditionalise things + * here. + * + * XXX rename these arrays to be consistent and less namespace-hostile + */ + +/* Exported for libstand */ +struct devsw *devsw[] = { + &srmdisk, + NULL +}; + +struct fs_ops *file_system[] = { + &ufs_fsops, + &zipfs_fsops, + NULL +}; + +/* Exported for alpha only */ +/* + * Sort formats so that those that can detect based on arguments + * rather than reading the file go first. + */ +struct module_format *module_formats[] = { + &alpha_elf, + NULL +}; + +/* + * Consoles + * + * We don't prototype these in libalpha.h because they require + * data structures from bootstrap.h as well. + */ +extern struct console promconsole; + +struct console *consoles[] = { + &promconsole, + NULL +}; diff --git a/sys/boot/alpha/boot2/newvers.sh b/sys/boot/alpha/boot2/newvers.sh new file mode 100644 index 0000000..88cc010 --- /dev/null +++ b/sys/boot/alpha/boot2/newvers.sh @@ -0,0 +1,44 @@ +#!/bin/sh - +# +# $NetBSD: newvers.sh,v 1.1 1997/07/26 01:50:38 thorpej Exp $ +# +# Copyright (c) 1984, 1986, 1990, 1993 +# The Regents of the University of California. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. All advertising materials mentioning features or use of this software +# must display the following acknowledgement: +# This product includes software developed by the University of +# California, Berkeley and its contributors. +# 4. Neither the name of the University nor the names of its contributors +# may be used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# @(#)newvers.sh 8.1 (Berkeley) 4/20/94 + +u=${USER-root} h=`hostname` t=`date` +r=`head -n 6 $1 | tail -n 1 | awk -F: ' { print $1 } '` + +echo "char bootprog_name[] = \"FreeBSD/alpha ${2}\";" > vers.c +echo "char bootprog_rev[] = \"${r}\";" >> vers.c +echo "char bootprog_date[] = \"${t}\";" >> vers.c +echo "char bootprog_maker[] = \"${u}@${h}\";" >> vers.c diff --git a/sys/boot/alpha/boot2/setdefs.h b/sys/boot/alpha/boot2/setdefs.h new file mode 100644 index 0000000..2320078 --- /dev/null +++ b/sys/boot/alpha/boot2/setdefs.h @@ -0,0 +1,2 @@ +/* $Id$ */ +DEFINE_SET(Xcommand_set, 15); diff --git a/sys/boot/alpha/boot2/vers.c b/sys/boot/alpha/boot2/vers.c new file mode 100644 index 0000000..08eda5c --- /dev/null +++ b/sys/boot/alpha/boot2/vers.c @@ -0,0 +1,4 @@ +char bootprog_name[] = "FreeBSD/alpha SRM disk boot"; +char bootprog_rev[] = "0.1"; +char bootprog_date[] = "Mon Aug 17 10:38:19 BST 1998"; +char bootprog_maker[] = "dfr@salmon.nlsystems.com"; diff --git a/sys/boot/alpha/boot2/version b/sys/boot/alpha/boot2/version new file mode 100644 index 0000000..6346f50 --- /dev/null +++ b/sys/boot/alpha/boot2/version @@ -0,0 +1,7 @@ +$Id$ + +NOTE ANY CHANGES YOU MAKE TO THE BOOTBLOCKS HERE. The format of this +file is important. Make sure the current version number is on line 6. + +0.1: Initial i386 version, germinated from the NetBSD i386 + standalone, but enormously modified. diff --git a/sys/boot/alpha/common/gensetdefs.c b/sys/boot/alpha/common/gensetdefs.c new file mode 100644 index 0000000..b72f78b --- /dev/null +++ b/sys/boot/alpha/common/gensetdefs.c @@ -0,0 +1,313 @@ +/*- + * Copyright (c) 1997 John D. Polstra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id: gensetdefs.c,v 1.2 1998/06/14 13:44:44 dfr Exp $ + */ + +#include <sys/types.h> +#include <elf.h> + +#include <err.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define HASHSIZE 1009u /* Number of hash chains. */ +#define PREFIX ".set." /* Section name prefix for linker sets. */ + +/* One entry in the hash table. */ +typedef struct hashent { + struct hashent *next; /* Next entry with the same hash. */ + char *name; /* Name of the linker set. */ + size_t size; /* Size in bytes. */ +} hashent; + +/* Allocate storage for "count" objects of type "type". */ +#define NEW(type, count) ((type *) xmalloc((count) * sizeof(type))) + +static hashent *hashtab[HASHSIZE]; /* Hash chain heads. */ + +static void enter(const char *, size_t); +static int enter_sets(const char *); +static unsigned int hash(const char *); +static hashent *merge(void); +static int my_byte_order(void); +static void *xmalloc(size_t); +static char *xstrdup(const char *); + +/* + * This is a special-purpose program to generate the linker set definitions + * needed when building an ELF kernel. Its arguments are the names of + * ELF object files. It scans the section names of the object files, + * building a table of those that begin with ".set.", which represent + * linker sets. Finally, for each set "foo" with "count" elements, it + * writes a line "DEFINE_SET(foo, count);" to the standard output. + */ +int +main(int argc, char **argv) +{ + int i; + int status = EXIT_SUCCESS; + hashent *list; + + for (i = 1; i < argc; i++) + if (enter_sets(argv[i]) == -1) + status = EXIT_FAILURE; + + list = merge(); + while (list != NULL) { + hashent *next; + + printf("DEFINE_SET(%s, %lu);\n", list->name, + (unsigned long) (list->size / sizeof (void *))); + next = list->next; + free(list->name); + free(list); + list = next; + } + + return (status); +} + +/* + * Enter the given string into the hash table, if it is not already there. + * Each hash chain is kept sorted, so that it will be easy to merge the + * chains to get a single sorted list. + */ +static void +enter(const char *name, size_t size) +{ + int c = 0; + hashent *entp; + hashent **linkp; + hashent *newp; + + linkp = &hashtab[hash(name) % HASHSIZE]; + while ((entp = *linkp) != NULL && (c = strcmp(name, entp->name)) > 0) + linkp = &entp->next; + + if (entp == NULL || c != 0) { /* Not found; create a new entry. */ + newp = NEW(hashent, 1); + newp->name = xstrdup(name); + newp->size = 0; + newp->next = entp; + *linkp = newp; + entp = newp; + } + + entp->size += size; +} + +/* + * Return a hash value for the given string. + */ +static unsigned int +hash(const char *s) +{ + unsigned char ch; + unsigned int h = 0; + + while((ch = *s) != '\0') { + h = 9*h + ch; + s++; + } + return (h); +} + +/* + * Enter the linker sets from the given ELF object file. Returns 0 on + * success, or -1 if an error occurred. + */ +static int +enter_sets(const char *filename) +{ + int i; + FILE *iop; + Elf64_Shdr *shdr; + char *shstr; + Elf64_Ehdr ehdr; + + if ((iop = fopen(filename, "rb")) == NULL) { + warn("%s", filename); + return (-1); + } + if (fread(&ehdr, sizeof ehdr, 1, iop) != 1 || + ehdr.e_ident[EI_MAG0] != ELFMAG0 || + ehdr.e_ident[EI_MAG1] != ELFMAG1 || + ehdr.e_ident[EI_MAG2] != ELFMAG2 || + ehdr.e_ident[EI_MAG3] != ELFMAG3) { + warnx("%s: not an ELF file", filename); + fclose(iop); + return (-1); + } + if (ehdr.e_ident[EI_VERSION] != EV_CURRENT) { + warnx("%s: unsupported ELF version", filename); + fclose(iop); + return (-1); + } + if (ehdr.e_ident[EI_DATA] != my_byte_order()) { + warnx("%s: unsupported byte order", filename); + fclose(iop); + return (-1); + } + if (ehdr.e_shoff == 0) { + warnx("%s: no section table", filename); + fclose(iop); + return (-1); + } + if (ehdr.e_shstrndx == SHN_UNDEF) { + warnx("%s: no section name string table", filename); + fclose(iop); + return (-1); + } + + shdr = NEW(Elf64_Shdr, ehdr.e_shnum); + if (fseek(iop, ehdr.e_shoff, SEEK_SET) == -1) { + warn("%s", filename); + free(shdr); + fclose(iop); + return (-1); + } + if (fread(shdr, sizeof *shdr, ehdr.e_shnum, iop) != ehdr.e_shnum) { + warnx("%s: truncated section table", filename); + free(shdr); + fclose(iop); + return (-1); + } + + shstr = NEW(char, shdr[ehdr.e_shstrndx].sh_size); + if (fseek(iop, shdr[ehdr.e_shstrndx].sh_offset, SEEK_SET) == -1) { + warn("%s", filename); + free(shstr); + free(shdr); + fclose(iop); + return (-1); + } + if (fread(shstr, sizeof *shstr, shdr[ehdr.e_shstrndx].sh_size, iop) != + shdr[ehdr.e_shstrndx].sh_size) { + warnx("%s: truncated section name string table", filename); + free(shstr); + free(shdr); + fclose(iop); + return (-1); + } + + for (i = 1; i < ehdr.e_shnum; i++) { + const char *name = shstr + shdr[i].sh_name; + + if (strncmp(name, PREFIX, sizeof (PREFIX) - 1) == 0) + enter(name + sizeof (PREFIX) - 1, shdr[i].sh_size); + } + + free(shstr); + free(shdr); + fclose(iop); + return (0); +} + +/* + * Destructively merge all the sorted hash chains into a single sorted + * list, and return a pointer to its first element. + */ +static hashent * +merge(void) +{ + unsigned int numchains = HASHSIZE; + + while (numchains > 1) { /* More merging to do. */ + unsigned int lo = 0; + /* + * Merge chains pairwise from the outside in, halving the + * number of chains. + */ + while (numchains - lo >= 2) { + hashent **linkp = &hashtab[lo]; + hashent *l1 = hashtab[lo++]; + hashent *l2 = hashtab[--numchains]; + + while (l1 != NULL && l2 != NULL) { + if (strcmp(l1->name, l2->name) < 0) { + *linkp = l1; + linkp = &l1->next; + l1 = l1->next; + } else { + *linkp = l2; + linkp = &l2->next; + l2 = l2->next; + } + } + *linkp = l1==NULL ? l2 : l1; + } + } + + return (hashtab[0]); +} + +/* + * Determine the host byte order. + */ +static int +my_byte_order(void) +{ + static unsigned short s = 0xbbaa; + int byte0; + + byte0 = *(unsigned char *)&s; + if (byte0 == 0xaa) + return (ELFDATA2LSB); + else if (byte0 == 0xbb) + return (ELFDATA2MSB); + else + return (ELFDATANONE); +} + +/* + * Allocate a chunk of memory and return a pointer to it. Die if the + * malloc fails. + */ +static void * +xmalloc(size_t size) +{ + void *p; + + p = malloc(size); + if (p == NULL) + err(EXIT_FAILURE, "malloc"); + return (p); +} + +/* + * Duplicate a string and return a pointer to the copy. Die if there is + * not enough memory. + */ +static char * +xstrdup(const char *s) +{ + int size; + + size = strlen(s) + 1; + return (memcpy(xmalloc(size), s, size)); +} diff --git a/sys/boot/alpha/common/main.c b/sys/boot/alpha/common/main.c new file mode 100644 index 0000000..c4d8d71 --- /dev/null +++ b/sys/boot/alpha/common/main.c @@ -0,0 +1,178 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * Copyright (c) 1998 Doug Rabson <dfr@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + + +#include <stand.h> +#include <string.h> + +#include <sys/param.h> +#include <machine/rpb.h> +#include <machine/prom.h> +#include "bootstrap.h" +#include "libalpha/libalpha.h" + +extern char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[]; + +struct alpha_devdesc currdev; /* our current device */ +struct arch_switch archsw; /* MI/MD interface boundary */ + +extern char end[]; +extern void OSFpal(void); +extern void halt(void); + +unsigned long +memsize() +{ + struct rpb *hwrpb = (struct rpb *)HWRPB_ADDR; + struct mddt *mddtp; + struct mddt_cluster *memc; + int i; + unsigned long total = 0; + + mddtp = (struct mddt *)(((caddr_t)hwrpb) + hwrpb->rpb_memdat_off); + for (i = 0; i < mddtp->mddt_cluster_cnt; i++) { + memc = &mddtp->mddt_clusters[i]; + total += memc->mddt_pg_cnt << PAGE_SHIFT; + } + return total; +} + +void +main(void) +{ + int i; + char bootfile[128]; + + /* + * Initialise the heap as early as possible. Once this is done, alloc() is usable. + * The stack is buried inside us, so this is safe + */ + setheap((void *)end, (void *)0x20040000); + + + /* + * XXX Chicken-and-egg problem; we want to have console output early, but some + * console attributes may depend on reading from eg. the boot device, which we + * can't do yet. + * + * We can use printf() etc. once this is done. + */ + cons_probe(); + + /* switch to OSF pal code. */ + OSFpal(); + + /* + * March through the device switch probing for things. + */ + for (i = 0; devsw[i] != NULL; i++) + if (devsw[i]->dv_init != NULL) + (devsw[i]->dv_init)(); + + printf("\n"); + printf(">> %s, Revision %s\n", bootprog_name, bootprog_rev); + printf(">> (%s, %s)\n", bootprog_maker, bootprog_date); + printf(">> Memory: %ld k\n", memsize() / 1024); + + /* We're booting from an SRM disk, try to spiff this */ + currdev.d_dev = devsw[0]; /* XXX presumes that biosdisk is first in devsw */ + currdev.d_type = currdev.d_dev->dv_type; + currdev.d_kind.srmdisk.unit = 0; + currdev.d_kind.srmdisk.slice = -1; /* XXX should be able to detect this, default to autoprobe */ + currdev.d_kind.srmdisk.partition = 0; /* default to 'a' */ + + /* Create alpha-specific variables */ + prom_getenv(PROM_E_BOOTED_FILE, bootfile, sizeof(bootfile)); + if (bootfile[0]) + setenv("bootfile", bootfile, 1); + env_setenv("currdev", EV_VOLATILE, alpha_fmtdev(&currdev), alpha_setcurrdev, env_nounset); + env_setenv("loaddev", EV_VOLATILE, alpha_fmtdev(&currdev), env_noset, env_nounset); + setenv("LINES", "24", 1); /* optional */ + + archsw.arch_autoload = alpha_autoload; + archsw.arch_boot = alpha_boot; + archsw.arch_getdev = alpha_getdev; + + /* + * XXX should these be in the MI source? + */ + source("/boot/boot.config"); + interact(); /* doesn't return */ +} + +COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot); + +static int +command_reboot(int argc, char *argv[]) +{ + + printf("Rebooting...\n"); + delay(1000000); + reboot(); + /* Note: we shouldn't get to this point! */ + panic("Reboot failed!"); + exit(0); +} + +COMMAND_SET(halt, "halt", "halt the system", command_halt); + +static int +command_halt(int argc, char *argv[]) +{ + halt(); /* never returns */ + return(CMD_OK); +} + +#if 0 + +COMMAND_SET(stack, "stack", "show stack usage", command_stack); + +static int +command_stack(int argc, char *argv[]) +{ + char *cp; + + for (cp = &stackbase; cp < &stacktop; cp++) + if (*cp != 0) + break; + + printf("%d bytes of stack used\n", &stacktop - cp); + return(CMD_OK); +} + +#endif + +COMMAND_SET(heap, "heap", "show heap usage", command_heap); + +static int +command_heap(int argc, char *argv[]) +{ + printf("heap base at %p, top at %p, used %ld\n", end, sbrk(0), sbrk(0) - end); + return(CMD_OK); +} diff --git a/sys/boot/alpha/common/setdef0.c b/sys/boot/alpha/common/setdef0.c new file mode 100644 index 0000000..b41276d --- /dev/null +++ b/sys/boot/alpha/common/setdef0.c @@ -0,0 +1,49 @@ +/*- + * Copyright (c) 1997 John D. Polstra + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id: setdef0.c,v 1.1 1998/06/10 10:53:12 dfr Exp $ + */ + +#ifdef __ELF__ + +#include <sys/param.h> +#include <sys/kernel.h> + +/* + * DEFINE_SET creates the section and label for a set, and emits the + * count word at the front of it. + */ +#define DEFINE_SET(set, count) \ + __asm__(".section .set." #set ",\"aw\""); \ + __asm__(".globl " #set); \ + __asm__(".type " #set ",@object"); \ + __asm__(".p2align 3"); \ + __asm__(#set ":"); \ + __asm__(".quad " #count); \ + __asm__(".previous") + +#include "setdefs.h" /* Contains a `DEFINE_SET' for each set */ + +#endif /* __ELF__ */ diff --git a/sys/boot/alpha/common/setdef1.c b/sys/boot/alpha/common/setdef1.c new file mode 100644 index 0000000..659618a --- /dev/null +++ b/sys/boot/alpha/common/setdef1.c @@ -0,0 +1,41 @@ +/*- + * Copyright (c) 1997 John D. Polstra + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id: setdef1.c,v 1.1 1998/06/10 10:53:13 dfr Exp $ + */ + +#ifdef __ELF__ + +/* + * DEFINE_SET emits the NULL terminator for a set. + */ +#define DEFINE_SET(set, count) \ + __asm__(".section .set." #set ",\"aw\""); \ + __asm__(".quad 0"); \ + __asm__(".previous") + +#include "setdefs.h" /* Contains a `DEFINE_SET' for each set */ + +#endif /* __ELF__ */ diff --git a/sys/boot/alpha/libalpha/Makefile b/sys/boot/alpha/libalpha/Makefile new file mode 100644 index 0000000..191649f --- /dev/null +++ b/sys/boot/alpha/libalpha/Makefile @@ -0,0 +1,23 @@ +# $Id$ + +LIB= alpha +NOPIC= true +NOPROFILE= true +INTERNALLIB= true + +# XXX hack to pick up stand.h +CFLAGS= -I/home/dfr/FreeBSD/alpha/src/lib/libstand +CFLAGS+= -DDEBUG + +# Pick up the bootstrap header for some interface items +CFLAGS+= -I${.CURDIR}/../../common -mno-fp-regs + +CFLAGS+= -DDISK_DEBUG +#CPPFLAGS+= -DNO_DISKLABEL +#CPPFLAGS+= -DSAVE_MEMORY + +SRCS= OSFpal.c elf_freebsd.c prom.c prom_disp.S prom_swpal.S start.S \ + pal.S reboot.c delay.c time.c alpha_module.c devicename.c \ + srmdisk.c srmnet.c getsecs.c + +.include <bsd.lib.mk> diff --git a/sys/boot/alpha/libalpha/OSFpal.c b/sys/boot/alpha/libalpha/OSFpal.c new file mode 100644 index 0000000..b77ee12 --- /dev/null +++ b/sys/boot/alpha/libalpha/OSFpal.c @@ -0,0 +1,71 @@ +/* + * $Id$ + * From $NetBSD: OSFpal.c,v 1.5 1998/06/24 01:33:19 ross Exp $ + */ + +/* + * Copyright (c) 1994, 1996 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Keith Bostic + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include <sys/types.h> +#include <stand.h> + +#include <machine/prom.h> +#include <machine/rpb.h> +#include <machine/alpha_cpu.h> + +vm_offset_t ptbr_save; + +#include "common.h" + +void +OSFpal() +{ + struct rpb *r; + struct pcs *p; + + r = (struct rpb *)HWRPB_ADDR; + /* + * Note, cpu_number() is a VMS op, can't necessarily call it. + * Real fun: PAL_VMS_mfpr_whami == PAL_OSF1_rti... + * We might not be rpb_primary_cpu_id, but it is supposed to go + * first so the answer should apply to everyone. + */ + p = LOCATE_PCS(r, r->rpb_primary_cpu_id); + + printf("VMS PAL rev: 0x%lx\n", p->pcs_palrevisions[PALvar_OpenVMS]); + printf("OSF PAL rev: 0x%lx\n", p->pcs_palrevisions[PALvar_OSF1]); + + if(p->pcs_pal_type==PAL_TYPE_OSF1) { + printf("OSF PAL code already running.\n"); + ptbr_save = ((struct alpha_pcb *)p)->apcb_ptbr; + printf("PTBR is: 0x%lx\n", ptbr_save); + return; + } + switch_palcode(); + printf("Switch to OSF PAL code succeeded.\n"); +} + diff --git a/sys/boot/alpha/libalpha/alpha_module.c b/sys/boot/alpha/libalpha/alpha_module.c new file mode 100644 index 0000000..a08fc85 --- /dev/null +++ b/sys/boot/alpha/libalpha/alpha_module.c @@ -0,0 +1,64 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +/* + * alpha-specific module functionality. + * + */ + +#include <stand.h> +#include <string.h> + +#include "bootstrap.h" +#include "libalpha.h" + +/* + * Look for a method and having found it, boot the kernel module. + */ +int +alpha_boot(void) +{ + int i; + + for (i = 0; module_formats[i] != NULL; i++) { + if (((loaded_modules->m_flags & MF_FORMATMASK) == module_formats[i]->l_format) && + (module_formats[i]->l_exec != NULL)) { + return((module_formats[i]->l_exec)(loaded_modules)); + } + } +} + +/* + * Use voodoo to load modules required by current hardware. + */ +int +alpha_autoload(void) +{ + /* XXX use PnP to locate stuff here */ + return(0); +} diff --git a/sys/boot/alpha/libalpha/bbinfo.h b/sys/boot/alpha/libalpha/bbinfo.h new file mode 100644 index 0000000..5529035 --- /dev/null +++ b/sys/boot/alpha/libalpha/bbinfo.h @@ -0,0 +1,57 @@ +/* + * $Id$ + * From $NetBSD: bbinfo.h,v 1.2 1997/04/06 08:40:57 cgd Exp $ + */ + +/* + * Copyright (c) 1995, 1996 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +struct bbinfoloc { + u_int64_t magic1; + u_int64_t start; + u_int64_t end; + u_int64_t pad1[4]; + u_int64_t magic2; +}; + +struct bbinfo { + int32_t cksum; + int32_t nblocks; + int32_t bsize; + u_int32_t pad1[8]; + int32_t blocks[1]; +}; + +struct netbbinfo { + u_int64_t magic1; + u_int8_t set; + u_int8_t ether_addr[6]; + u_int8_t force; + u_int64_t pad1[4]; + u_int64_t cksum; + u_int64_t magic2; +}; diff --git a/sys/boot/alpha/libalpha/common.h b/sys/boot/alpha/libalpha/common.h new file mode 100644 index 0000000..8acd3f93 --- /dev/null +++ b/sys/boot/alpha/libalpha/common.h @@ -0,0 +1,11 @@ +/* + * $Id$ + * From: $NetBSD: common.h,v 1.2 1998/01/05 07:02:48 perry Exp $ + */ + +int prom_open __P((char*, int)); +void OSFpal __P((void)); +void halt __P((void)); +u_int64_t prom_dispatch __P((int, ...)); +int cpu_number __P((void)); +void switch_palcode __P((void)); diff --git a/sys/boot/alpha/libalpha/delay.c b/sys/boot/alpha/libalpha/delay.c new file mode 100644 index 0000000..a7621b7 --- /dev/null +++ b/sys/boot/alpha/libalpha/delay.c @@ -0,0 +1,40 @@ +/*- + * Copyright (c) 1998 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stand.h> +#include <machine/rpb.h> + +void +delay(int usecs) +{ + struct rpb *hwrpb = (struct rpb *)HWRPB_ADDR; + unsigned long start = alpha_rpcc(); + unsigned long end = start + (hwrpb->rpb_cc_freq * usecs) / 1000000; + while (alpha_rpcc() < end) + ; +} diff --git a/sys/boot/alpha/libalpha/devicename.c b/sys/boot/alpha/libalpha/devicename.c new file mode 100644 index 0000000..310bb94 --- /dev/null +++ b/sys/boot/alpha/libalpha/devicename.c @@ -0,0 +1,232 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stand.h> +#include <string.h> +#include <sys/disklabel.h> +#include "bootstrap.h" +#include "libalpha.h" + +static int alpha_parsedev(struct alpha_devdesc **dev, char *devspec, char **path); + +/* + * Point (dev) at an allocated device specifier for the device matching the + * path in (devspec). If it contains an explicit device specification, + * use that. If not, use the default device. + */ +int +alpha_getdev(void **vdev, char *devspec, char **path) +{ + struct alpha_devdesc **dev = (struct alpha_devdesc **)vdev; + int rv; + + /* + * If it looks like this is just a path and no + * device, go with the current device. + */ + if ((devspec == NULL) || + (devspec[0] == '/') || + (strchr(devspec, ':') == NULL)) { + + if (((rv = alpha_parsedev(dev, getenv("currdev"), NULL)) == 0) && + (path != NULL)) + *path = devspec; + return(rv); + } + + /* + * Try to parse the device name off the beginning of the devspec + */ + return(alpha_parsedev(dev, devspec, path)); +} + +/* + * Point (dev) at an allocated device specifier matching the string version + * at the beginning of (devspec). Return a pointer to the remaining + * text in (path). + * + * In all cases, the beginning of (devspec) is compared to the names + * of known devices in the device switch, and then any following text + * is parsed according to the rules applied to the device type. + * + * For disk-type devices, the syntax is: + * + * disk<unit>[s<slice>][<partition>]: + * + */ +static int +alpha_parsedev(struct alpha_devdesc **dev, char *devspec, char **path) +{ + struct alpha_devdesc *idev; + struct devsw *dv; + int i, unit, slice, partition, err; + char *cp, *np; + + /* minimum length check */ + if (strlen(devspec) < 2) + return(EINVAL); + + /* look for a device that matches */ + for (i = 0, dv = NULL; devsw[i] != NULL; i++) { + if (!strncmp(devspec, devsw[i]->dv_name, strlen(devsw[i]->dv_name))) { + dv = devsw[i]; + break; + } + } + + if (dv == NULL) + return(ENOENT); + idev = malloc(sizeof(struct alpha_devdesc)); + err = 0; + np = (devspec + strlen(dv->dv_name)); + + switch(dv->dv_type) { + case DEVT_NONE: /* XXX what to do here? Do we care? */ + break; + + case DEVT_DISK: + unit = -1; + slice = -1; + partition = -1; + if (*np && (*np != ':')) { + unit = strtol(np, &cp, 10); /* next comes the unit number */ + if (cp == np) { + err = EUNIT; + goto fail; + } + if (*cp == 's') { /* got a slice number */ + np = cp + 1; + slice = strtol(np, &cp, 10); + if (cp == np) { + err = ESLICE; + goto fail; + } + } + if (*cp && (*cp != ':')) { + partition = *cp - 'a'; /* get a partition number */ + if ((partition < 0) || (partition >= MAXPARTITIONS)) { + err = EPART; + goto fail; + } + cp++; + } + } + if (*cp && (*cp != ':')) { + err = EINVAL; + goto fail; + } + + idev->d_kind.srmdisk.unit = unit; + idev->d_kind.srmdisk.slice = slice; + idev->d_kind.srmdisk.partition = partition; + if (path != NULL) + *path = (*cp == 0) ? cp : cp + 1; + break; + + case DEVT_NET: + unit = 0; + + if (*np && (*np != ':')) { + unit = strtol(np, &cp, 0); /* get unit number if present */ + if (cp == np) { + err = EUNIT; + goto fail; + } + } + if (*cp && (*cp != ':')) { + err = EINVAL; + goto fail; + } + + idev->d_kind.netif.unit = unit; + if (path != NULL) + *path = (*cp == 0) ? cp : cp + 1; + break; + + default: + err = EINVAL; + goto fail; + } + idev->d_dev = dv; + idev->d_type = dv->dv_type; + if (dev != NULL) + *dev = idev; + return(0); + + fail: + free(idev); + return(err); +} + + +char * +alpha_fmtdev(void *vdev) +{ + struct alpha_devdesc *dev = (struct alpha_devdesc *)vdev; + static char buf[128]; /* XXX device length constant? */ + char *cp; + + switch(dev->d_type) { + case DEVT_NONE: + strcpy(buf, "(no device)"); + break; + + case DEVT_DISK: + cp = buf; + cp += sprintf(cp, "%s%d", dev->d_dev->dv_name, dev->d_kind.srmdisk.unit); + if (dev->d_kind.srmdisk.slice > 0) + cp += sprintf(cp, "s%d", dev->d_kind.srmdisk.slice); + if (dev->d_kind.srmdisk.partition >= 0) + cp += sprintf(cp, "%c", dev->d_kind.srmdisk.partition + 'a'); + strcat(cp, ":"); + break; + + case DEVT_NET: + sprintf(buf, "%s%d:", dev->d_dev->dv_name, dev->d_kind.netif.unit); + break; + } + return(buf); +} + + +/* + * Set currdev to suit the value being supplied in (value) + */ +int +alpha_setcurrdev(struct env_var *ev, int flags, void *value) +{ + struct alpha_devdesc *ncurr; + int rv; + + if ((rv = alpha_parsedev(&ncurr, value, NULL)) != 0) + return(rv); + free(ncurr); + env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL); + return(0); +} + diff --git a/sys/boot/alpha/libalpha/elf_freebsd.c b/sys/boot/alpha/libalpha/elf_freebsd.c new file mode 100644 index 0000000..4f618d8 --- /dev/null +++ b/sys/boot/alpha/libalpha/elf_freebsd.c @@ -0,0 +1,316 @@ +/* $Id$ */ +/* $NetBSD: loadfile.c,v 1.10 1998/06/25 06:45:46 ross Exp $ */ + +/*- + * Copyright (c) 1997 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, + * NASA Ames Research Center. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)boot.c 8.1 (Berkeley) 6/10/93 + */ + +#include <stand.h> +#include <string.h> + +#include <sys/param.h> +#include <machine/elf.h> +#include <machine/prom.h> +#include <machine/rpb.h> +#include <machine/bootinfo.h> + +#include "bootstrap.h" + +#define _KERNEL + +struct elf_kernel_module +{ + struct loaded_module m; + vm_offset_t m_entry; /* module entrypoint */ + struct bootinfo_v1 m_bi; /* legacy bootinfo */ +}; + +static int elf_loadmodule(char *filename, vm_offset_t dest, struct loaded_module **result); +static int elf_exec(struct loaded_module *amp); +static int elf_load(int fd, Elf_Ehdr *elf, vm_offset_t dest); + +struct module_format alpha_elf = { MF_ELF, elf_loadmodule, elf_exec }; + +vm_offset_t ffp_save, ptbr_save; +vm_offset_t ssym, esym; + +static int +elf_loadmodule(char *filename, vm_offset_t dest, struct loaded_module **result) +{ + struct elf_kernel_module *mp; + Elf_Ehdr hdr; + ssize_t nr; + int fd, rval; + + /* Open the file. */ + rval = 1; + if ((fd = open(filename, 0)) < 0) { + (void)printf("open %s: %s\n", filename, strerror(errno)); + goto err; + } + + /* Read the exec header. */ + if ((nr = read(fd, &hdr, sizeof(hdr))) != sizeof(hdr)) { + (void)printf("read header: %s\n", strerror(errno)); + goto err; + } + + if (!(hdr.e_ident[0] == ELFMAG0 + && hdr.e_ident[1] == ELFMAG1 + && hdr.e_ident[2] == ELFMAG2 + && hdr.e_ident[3] == ELFMAG3)) { + (void)printf("%s: unknown executable format\n", filename); + goto err; + } + + /* + * Ok, we think this is for us. + */ + mp = malloc(sizeof(struct elf_kernel_module)); + mp->m.m_name = strdup(filename); /* XXX should we prune the name? */ + mp->m.m_type = "elf kernel"; /* XXX only if that's what we really are */ + mp->m.m_args = NULL; /* XXX should we put the bootstrap args here and parse later? */ + mp->m.m_flags = MF_ELF; /* we're an elf kernel */ + mp->m_entry = hdr.e_entry; + if (dest == 0) + dest = (vm_offset_t) hdr.e_entry; + if (mod_findmodule(NULL, mp->m.m_type) != NULL) { + printf("elf_loadmodule: kernel already loaded\n"); + rval = EPERM; + goto err; + } + rval = elf_load(fd, &hdr, (vm_offset_t) dest); + + *result = (struct loaded_module *)mp; + + err: + if (fd >= 0) + (void)close(fd); + return (rval); +} + +static int +elf_load(int fd, Elf_Ehdr *elf, vm_offset_t dest) +{ + Elf_Shdr *shp; + Elf_Off off; + int i; + int first = 1; + int havesyms; + + for (i = 0; i < elf->e_phnum; i++) { + Elf_Phdr phdr; + if (lseek(fd, elf->e_phoff + sizeof(phdr) * i, SEEK_SET) + == -1) { + (void)printf("lseek phdr: %s\n", strerror(errno)); + return (1); + } + if (read(fd, (void *)&phdr, sizeof(phdr)) != sizeof(phdr)) { + (void)printf("read phdr: %s\n", strerror(errno)); + return (1); + } + if (phdr.p_type != PT_LOAD || + (phdr.p_flags & (PF_W|PF_X)) == 0) + continue; + + /* Read in segment. */ + (void)printf("%s%lu", first ? "" : "+", phdr.p_filesz); + if (lseek(fd, phdr.p_offset, SEEK_SET) == -1) { + (void)printf("lseek text: %s\n", strerror(errno)); + return (1); + } + if (read(fd, (void *)phdr.p_vaddr, phdr.p_filesz) != + phdr.p_filesz) { + (void)printf("read text: %s\n", strerror(errno)); + return (1); + } + if (first || ffp_save < phdr.p_vaddr + phdr.p_memsz) + ffp_save = phdr.p_vaddr + phdr.p_memsz; + + /* Zero out bss. */ + if (phdr.p_filesz < phdr.p_memsz) { + (void)printf("+%lu", phdr.p_memsz - phdr.p_filesz); + bzero((void *)(phdr.p_vaddr + phdr.p_filesz), + phdr.p_memsz - phdr.p_filesz); + } + first = 0; + } + /* + * Copy the ELF and section headers. + */ + ffp_save = roundup(ffp_save, sizeof(long)); + ssym = ffp_save; + bcopy(elf, (void *)ffp_save, sizeof(Elf_Ehdr)); + ffp_save += sizeof(Elf_Ehdr); + if (lseek(fd, elf->e_shoff, SEEK_SET) == -1) { + printf("lseek section headers: %s\n", strerror(errno)); + return (1); + } + if (read(fd, (void *)ffp_save, elf->e_shnum * sizeof(Elf_Shdr)) != + elf->e_shnum * sizeof(Elf_Shdr)) { + printf("read section headers: %s\n", strerror(errno)); + return (1); + } + shp = (Elf_Shdr *)ffp_save; + ffp_save += roundup((elf->e_shnum * sizeof(Elf_Shdr)), sizeof(long)); + + /* + * Now load the symbol sections themselves. Make sure the + * sections are aligned. Don't bother with string tables if + * there are no symbol sections. + */ + off = roundup((sizeof(Elf_Ehdr) + (elf->e_shnum * sizeof(Elf_Shdr))), + sizeof(long)); + for (havesyms = i = 0; i < elf->e_shnum; i++) + if (shp[i].sh_type == SHT_SYMTAB) + havesyms = 1; + for (first = 1, i = 0; i < elf->e_shnum; i++) { + if (shp[i].sh_type == SHT_SYMTAB || + shp[i].sh_type == SHT_STRTAB) { + printf("%s%ld", first ? " [" : "+", shp[i].sh_size); + if (havesyms) { + if (lseek(fd, shp[i].sh_offset, SEEK_SET) + == -1) { + printf("\nlseek symbols: %s\n", + strerror(errno)); + return (1); + } + if (read(fd, (void *)ffp_save, shp[i].sh_size) + != shp[i].sh_size) { + printf("\nread symbols: %s\n", + strerror(errno)); + return (1); + } + } + ffp_save += roundup(shp[i].sh_size, sizeof(long)); + shp[i].sh_offset = off; + off += roundup(shp[i].sh_size, sizeof(long)); + first = 0; + } + } + esym = ffp_save; + + if (first == 0) + printf("]"); + + ffp_save = ALPHA_K0SEG_TO_PHYS((ffp_save + PAGE_MASK) & ~PAGE_MASK) + >> PAGE_SHIFT; + ffp_save += 2; /* XXX OSF/1 does this, no idea why. */ + + (void)printf("\n"); + + /* + * Frob the copied ELF header to give information relative + * to ssym. + */ + elf = (Elf_Ehdr *)ssym; + elf->e_phoff = 0; + elf->e_shoff = sizeof(Elf_Ehdr); + elf->e_phentsize = 0; + elf->e_phnum = 0; + + return (0); +} + +static int +elf_exec(struct loaded_module *amp) +{ + struct elf_kernel_module *mp = (struct elf_kernel_module *)amp; + static struct bootinfo_v1 bootinfo_v1; + + /* + * Fill in the bootinfo for the kernel. + */ + bzero(&bootinfo_v1, sizeof(bootinfo_v1)); + bootinfo_v1.ssym = ssym; + bootinfo_v1.esym = esym; + strncpy(bootinfo_v1.booted_kernel, mp->m.m_name, + sizeof(bootinfo_v1.booted_kernel)); + prom_getenv(PROM_E_BOOTED_OSFLAGS, bootinfo_v1.boot_flags, + sizeof(bootinfo_v1.boot_flags)); + bootinfo_v1.hwrpb = (void *)HWRPB_ADDR; + bootinfo_v1.hwrpbsize = ((struct rpb *)HWRPB_ADDR)->rpb_size; + bootinfo_v1.cngetc = NULL; + bootinfo_v1.cnputc = NULL; + bootinfo_v1.cnpollc = NULL; + + printf("Entering %s at 0x%lx...\n", mp->m.m_name, mp->m_entry); + closeall(); + alpha_pal_imb(); + (*(void (*)())mp->m_entry)(ffp_save, ptbr_save, + BOOTINFO_MAGIC, &bootinfo_v1, 1, 0); +} + + + diff --git a/sys/boot/alpha/libalpha/getsecs.c b/sys/boot/alpha/libalpha/getsecs.c new file mode 100644 index 0000000..f234a37 --- /dev/null +++ b/sys/boot/alpha/libalpha/getsecs.c @@ -0,0 +1,37 @@ +/* + * $Id$ + * From: $NetBSD: getsecs.c,v 1.5 1998/01/05 07:02:49 perry Exp $ + */ + +#include <sys/param.h> +#include <machine/prom.h> +#include <machine/rpb.h> + +int +getsecs() +{ + static long tnsec; + static long lastpcc, wrapsecs; + long curpcc; + + if (tnsec == 0) { + tnsec = 1; + lastpcc = alpha_rpcc() & 0xffffffff; + wrapsecs = (0xffffffff / + ((struct rpb *)HWRPB_ADDR)->rpb_cc_freq) + 1; + +#if 0 + printf("getsecs: cc freq = %d, time to wrap = %d\n", + ((struct rpb *)HWRPB_ADDR)->rpb_cc_freq, wrapsecs); +#endif + } + + curpcc = alpha_rpcc() & 0xffffffff; + if (curpcc < lastpcc) + curpcc += 0x100000000; + + tnsec += ((curpcc - lastpcc) * 1000000000) / ((struct rpb *)HWRPB_ADDR)->rpb_cc_freq; + lastpcc = curpcc; + + return (tnsec / 1000000000); +} diff --git a/sys/boot/alpha/libalpha/libalpha.h b/sys/boot/alpha/libalpha/libalpha.h new file mode 100644 index 0000000..24b29d2 --- /dev/null +++ b/sys/boot/alpha/libalpha/libalpha.h @@ -0,0 +1,107 @@ +/* $Id$ */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + + +/* + * alpha fully-qualified device descriptor + */ +struct alpha_devdesc +{ + struct devsw *d_dev; + int d_type; +#define DEVT_NONE 0 +#define DEVT_DISK 1 +#define DEVT_NET 2 + union + { + struct + { + int unit; + int slice; + int partition; + } srmdisk; + struct + { + int unit; /* XXX net layer lives over these? */ + } netif; + } d_kind; +}; + +extern int alpha_getdev(void **vdev, char *devspec, char **path); +extern char *alpha_fmtdev(void *vdev); +extern int alpha_setcurrdev(struct env_var *ev, int flags, void *value); + +#define MAXDEV 31 /* maximum number of distinct devices */ + +typedef unsigned long physaddr_t; + +/* exported devices XXX rename? */ +extern struct devsw srmdisk; +extern struct netif_driver srmnet; + +/* this is in startup code */ +extern void delay(int); +extern void reboot(void); + +/* + * alpha module loader + */ +#define MF_FORMATMASK 0xf +#define MF_AOUT 0 /* not supported */ +#define MF_ELF 1 + +struct alpha_module +{ + char *m_name; /* module name */ + char *m_type; /* module type, eg 'kernel', 'pnptable', etc. */ + char *m_args; /* arguments for the module */ + int m_flags; /* 0xffff reserved for arch-specific use */ + struct alpha_module *m_next; /* next module */ + physaddr_t m_addr; /* load address */ + size_t m_size; /* module size */ +}; + +struct alpha_format +{ + int l_format; + /* Load function must return EFTYPE if it can't handle the module supplied */ + int (* l_load)(char *filename, physaddr_t dest, struct alpha_module **result); + int (* l_exec)(struct alpha_module *amp); +}; +extern struct alpha_format *formats[]; /* supplied by consumer */ +extern struct alpha_format alpha_elf; + +extern int alpha_boot(void); +extern int alpha_autoload(void); +extern struct alpha_module *alpha_findmodule(char *name, char *type); diff --git a/sys/boot/alpha/libalpha/pal.S b/sys/boot/alpha/libalpha/pal.S new file mode 100644 index 0000000..c33f317 --- /dev/null +++ b/sys/boot/alpha/libalpha/pal.S @@ -0,0 +1,351 @@ +/* + * $Id$ + * From: $NetBSD: pal.s,v 1.12 1998/02/27 03:44:53 thorpej Exp $ + */ + +/* + * Copyright (c) 1994, 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +/* + * The various OSF PALcode routines. + * + * The following code is originally derived from pages: (I) 6-5 - (I) 6-7 + * and (III) 2-1 - (III) 2-25 of "Alpha Architecture Reference Manual" by + * Richard L. Sites. + * + * Updates taken from pages: (II-B) 2-1 - (II-B) 2-33 of "Alpha AXP + * Architecture Reference Manual, Second Edition" by Richard L. Sites + * and Richard T. Witek. + */ + +#include <machine/asm.h> + +inc2: .stabs __FILE__,132,0,0,inc2; .loc 1 __LINE__ +/* + * alpha_rpcc: read process cycle counter (XXX INSTRUCTION, NOT PALcode OP) + */ + .text +LEAF(alpha_rpcc,1) + rpcc v0 + RET + END(alpha_rpcc) + +/* + * alpha_mb: memory barrier (XXX INSTRUCTION, NOT PALcode OP) + */ + .text +LEAF(alpha_mb,0) + mb + RET + END(alpha_mb) + +/* + * alpha_wmb: write memory barrier (XXX INSTRUCTION, NOT PALcode OP) + */ + .text +LEAF(alpha_wmb,0) + /* wmb XXX */ + mb /* XXX */ + RET + END(alpha_wmb) + +/* + * alpha_amask: read architecture features (XXX INSTRUCTION, NOT PALcode OP) + * + * Arguments: + * a0 bitmask of features to test + * + * Returns: + * v0 bitmask - bit is _cleared_ if feature is supported + */ + .text +LEAF(alpha_amask,1) + amask a0, v0 + RET + END(alpha_amask) + +/* + * alpha_implver: read implementation version (XXX INSTRUCTION, NOT PALcode OP) + * + * Returns: + * v0 implementation version - see <machine/alpha_cpu.h> + */ + .text +LEAF(alpha_implver,0) +#if 0 + implver 0x1, v0 +#else + .long 0x47e03d80 /* XXX gas(1) does the Wrong Thing */ +#endif + RET + END(alpha_implver) + +/* + * alpha_pal_imb: I-Stream memory barrier. [UNPRIVILEGED] + * (Makes instruction stream coherent with data stream.) + */ + .text +LEAF(alpha_pal_imb,0) + call_pal PAL_imb + RET + END(alpha_pal_imb) + +/* + * alpha_pal_cflush: Cache flush [PRIVILEGED] + * + * Flush the entire physical page specified by the PFN specified in + * a0 from any data caches associated with the current processor. + * + * Arguments: + * a0 page frame number of page to flush + */ + .text +LEAF(alpha_pal_cflush,1) + call_pal PAL_cflush + RET + END(alpha_pal_cflush) + +/* + * alpha_pal_draina: Drain aborts. [PRIVILEGED] + */ + .text +LEAF(alpha_pal_draina,0) + call_pal PAL_draina + RET + END(alpha_pal_draina) + +/* + * alpha_pal_halt: Halt the processor. [PRIVILEGED] + */ + .text +LEAF(alpha_pal_halt,0) + call_pal PAL_halt + br zero,alpha_pal_halt /* Just in case */ + RET + END(alpha_pal_halt) + +/* + * alpha_pal_rdmces: Read MCES processor register. [PRIVILEGED] + * + * Return: + * v0 current MCES value + */ + .text +LEAF(alpha_pal_rdmces,1) + call_pal PAL_OSF1_rdmces + RET + END(alpha_pal_rdmces) + +/* + * alpha_pal_rdps: Read processor status. [PRIVILEGED] + * + * Return: + * v0 current PS value + */ + .text +LEAF(alpha_pal_rdps,0) + call_pal PAL_OSF1_rdps + RET + END(alpha_pal_rdps) + +/* + * alpha_pal_rdusp: Read user stack pointer. [PRIVILEGED] + * + * Return: + * v0 current user stack pointer + */ + .text +LEAF(alpha_pal_rdusp,0) + call_pal PAL_OSF1_rdusp + RET + END(alpha_pal_rdusp) + +/* + * alpha_pal_rdval: Read system value. [PRIVILEGED] + * + * Returns the sysvalue in v0, allowing access to a 64-bit + * per-processor value for use by the operating system. + * + * Return: + * v0 sysvalue + */ + .text +LEAF(alpha_pal_rdval,0) + call_pal PAL_OSF1_rdval + RET + END(alpha_pal_rdval) + +/* + * alpha_pal_swpipl: Swap Interrupt priority level. [PRIVILEGED] + * _alpha_pal_swpipl: Same, from profiling code. [PRIVILEGED] + * + * Arguments: + * a0 new IPL + * + * Return: + * v0 old IPL + */ + .text +LEAF(alpha_pal_swpipl,1) + call_pal PAL_OSF1_swpipl + RET + END(alpha_pal_swpipl) + +LEAF_NOPROFILE(_alpha_pal_swpipl,1) + call_pal PAL_OSF1_swpipl + RET + END(_alpha_pal_swpipl) + +/* + * alpha_pal_tbi: Translation buffer invalidate. [PRIVILEGED] + * + * Arguments: + * a0 operation selector + * a1 address to operate on (if necessary) + */ + .text +LEAF(alpha_pal_tbi,2) + call_pal PAL_OSF1_tbi + RET + END(alpha_pal_tbi) + +/* + * alpha_pal_whami: Who am I? [PRIVILEGED] + * + * Return: + * v0 processor number + */ + .text +LEAF(alpha_pal_whami,0) + call_pal PAL_OSF1_whami + RET + END(alpha_pal_whami) + +/* + * alpha_pal_wrent: Write system entry address. [PRIVILEGED] + * + * Arguments: + * a0 new vector + * a1 vector selector + */ + .text +LEAF(alpha_pal_wrent,2) + call_pal PAL_OSF1_wrent + RET + END(alpha_pal_wrent) + +/* + * alpha_pal_wrfen: Write floating-point enable. [PRIVILEGED] + * + * Arguments: + * a0 new enable value (val & 0x1 -> enable). + */ + .text +LEAF(alpha_pal_wrfen,1) + call_pal PAL_OSF1_wrfen + RET + END(alpha_pal_wrfen) + +/* + * alpha_pal_wripir: Write interprocessor interrupt request. [PRIVILEGED] + * + * Generate an interprocessor interrupt on the processor specified by + * processor number in a0. + * + * Arguments: + * a0 processor to interrupt + */ + .text +LEAF(alpha_pal_wripir,1) + call_pal PAL_ipir + RET + END(alpha_pal_wripir) + +/* + * alpha_pal_wrusp: Write user stack pointer. [PRIVILEGED] + * + * Arguments: + * a0 new user stack pointer + */ + .text +LEAF(alpha_pal_wrusp,1) + call_pal PAL_OSF1_wrusp + RET + END(alpha_pal_wrusp) + +/* + * alpha_pal_wrvptptr: Write virtual page table pointer. [PRIVILEGED] + * + * Arguments: + * a0 new virtual page table pointer + */ + .text +LEAF(alpha_pal_wrvptptr,1) + call_pal PAL_OSF1_wrvptptr + RET + END(alpha_pal_wrvptptr) + +/* + * alpha_pal_wrmces: Write MCES processor register. [PRIVILEGED] + * + * Arguments: + * a0 value to write to MCES + */ + .text +LEAF(alpha_pal_wrmces,1) + call_pal PAL_OSF1_wrmces + RET + END(alpha_pal_wrmces) + +/* + * alpha_pal_wrval: Write system value. [PRIVILEGED] + * + * Write the value passed in a0 to this processor's sysvalue. + * + * Arguments: + * a0 value to write to sysvalue + */ +LEAF(alpha_pal_wrval,1) + call_pal PAL_OSF1_wrval + RET + END(alpha_pal_wrval) + +/* + * alpha_pal_swpctx: Swap context. [PRIVILEGED] + * + * Switch to a new process context. + * + * Arguments: + * a0 physical address of hardware PCB describing context + * + * Returns: + * v0 physical address of hardware PCB describing previous context + */ +LEAF(alpha_pal_swpctx,1) + call_pal PAL_OSF1_swpctx + RET + END(alpha_pal_swpctx) diff --git a/sys/boot/alpha/libalpha/prom.c b/sys/boot/alpha/libalpha/prom.c new file mode 100644 index 0000000..535ce31 --- /dev/null +++ b/sys/boot/alpha/libalpha/prom.c @@ -0,0 +1,165 @@ +/* $Id$ */ +/* $NetBSD: prom.c,v 1.3 1997/09/06 14:03:58 drochner Exp $ */ + +/* + * Mach Operating System + * Copyright (c) 1992 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +#include <sys/types.h> + +#include <machine/prom.h> +#include <machine/rpb.h> + +#include "common.h" +#include "bootstrap.h" + +int console; + +static void prom_probe(struct console *cp); +static int prom_init(int); +void prom_putchar(int); +int prom_getchar(void); +static int prom_poll(void); + +struct console promconsole = { + "prom", + "SRM firmware console", + 0, + prom_probe, + prom_init, + prom_putchar, + prom_getchar, + prom_poll, +}; + +void +init_prom_calls() +{ + extern struct prom_vec prom_dispatch_v; + struct rpb *r; + struct crb *c; + char buf[4]; + + r = (struct rpb *)HWRPB_ADDR; + c = (struct crb *)((u_int8_t *)r + r->rpb_crb_off); + + prom_dispatch_v.routine_arg = c->crb_v_dispatch; + prom_dispatch_v.routine = c->crb_v_dispatch->entry_va; + + /* Look for console tty. */ + prom_getenv(PROM_E_TTY_DEV, buf, 4); + console = buf[0] - '0'; +} + +static void +prom_probe(struct console *cp) +{ + init_prom_calls(); + cp->c_flags |= C_PRESENTIN|C_PRESENTOUT; +} + +static int +prom_init(int arg) +{ + return 0; +} + +void +prom_putchar(int c) +{ + prom_return_t ret; + char cbuf; + + cbuf = c; + do { + ret.bits = prom_dispatch(PROM_R_PUTS, console, &cbuf, 1); + } while ((ret.u.retval & 1) == 0); +} + +static int saved_char = -1; + +int +prom_getchar() +{ + prom_return_t ret; + + if (saved_char != -1) { + int c = saved_char; + saved_char = -1; + return c; + } + + for (;;) { + ret.bits = prom_dispatch(PROM_R_GETC, console); + if (ret.u.status == 0 || ret.u.status == 1) + return (ret.u.retval); + } +} + +int +prom_poll() +{ + prom_return_t ret; + + if (saved_char != -1) + return 1; + + ret.bits = prom_dispatch(PROM_R_GETC, console); + if (ret.u.status == 0 || ret.u.status == 1) { + saved_char = ret.u.retval; + return 1; + } + + return 0; +} + +int +prom_getenv(id, buf, len) + int id, len; + char *buf; +{ + prom_return_t ret; + + ret.bits = prom_dispatch(PROM_R_GETENV, id, buf, len-1); + if (ret.u.status & 0x4) + ret.u.retval = 0; + buf[ret.u.retval] = '\0'; + + return (ret.u.retval); +} + +int +prom_open(dev, len) + char *dev; + int len; +{ + prom_return_t ret; + + ret.bits = prom_dispatch(PROM_R_OPEN, dev, len); + if (ret.u.status & 0x4) + return (-1); + else + return (ret.u.retval); +} diff --git a/sys/boot/alpha/libalpha/prom_disp.S b/sys/boot/alpha/libalpha/prom_disp.S new file mode 100644 index 0000000..6d5e087 --- /dev/null +++ b/sys/boot/alpha/libalpha/prom_disp.S @@ -0,0 +1,118 @@ +/* + * $Id$ + * From: $NetBSD: prom_disp.S,v 1.2 1997/04/06 08:41:00 cgd Exp $ + */ + +/* + * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#ifndef _LOCORE +#define ASSEMBLER +#include <machine/asm.h> +#include <machine/prom.h> +#include <machine/rpb.h> +#endif + + .globl prom_dispatch_v + .comm prom_dispatch_v,16 + + .text + .align 4 + +/* + * Dispatcher routine. Implements prom's calling machinery, saves our + * callee-saved registers as required by C. + */ +#define D_RA (7*8) +#define D_S0 (8*8) +#define D_S1 (9*8) +#define D_S2 (10*8) +#define D_S3 (11*8) +#define D_S4 (12*8) +#define D_S5 (13*8) +#define D_S6 (14*8) +#define DISPATCH_FRAME_SIZE (15*8) +#define DISPATCH_REGS IM_RA|IM_S0|IM_S1|IM_S2|IM_S3|IM_S4|IM_S5|IM_S6 + +NESTED(prom_dispatch, 5, DISPATCH_FRAME_SIZE, ra, DISPATCH_REGS, 0) + LDGP(pv) + + lda sp, -DISPATCH_FRAME_SIZE(sp) + stq ra, D_RA(sp) + stq s0, D_S0(sp) + stq s1, D_S1(sp) + stq s2, D_S2(sp) + stq s3, D_S3(sp) + stq s4, D_S4(sp) + stq s5, D_S5(sp) + stq s6, D_S6(sp) + + /* Lord have mercy because.. I would not. */ +/* #define STUPID_PROM_IS_32_BITS */ +#ifdef STUPID_PROM_IS_32_BITS + ldah s0, 0x2000(zero) /* hack for hack */ + lda s0, (0x2000-8)(s0) + + stq sp, 0(s0) + or s0, zero, sp +#endif /* STUPID_PROM_IS_32_BITS */ + + lda pv, prom_dispatch_v + ldq v0, 0(pv) /* routine */ + ldq pv, 8(pv) /* routine_arg */ + + jsr ra, (v0) + +#ifdef STUPID_PROM_IS_32_BITS + ldah s0, 0x2000(zero) /* hack for hack */ + lda s0, (0x2000-8)(s0) + + ldq sp, 0(s0) +#endif /* STUPID_PROM_IS_32_BITS */ + + ldq ra, D_RA(sp) + ldq s0, D_S0(sp) + ldq s1, D_S1(sp) + ldq s2, D_S2(sp) + ldq s3, D_S3(sp) + ldq s4, D_S4(sp) + ldq s5, D_S5(sp) + ldq s6, D_S6(sp) + lda sp, DISPATCH_FRAME_SIZE(sp) + RET +END(prom_dispatch) + +#undef D_RA +#undef D_S0 +#undef D_S1 +#undef D_S2 +#undef D_S3 +#undef D_S4 +#undef D_S5 +#undef D_S6 +#undef DISPATCH_FRAME_SIZE +#undef DISPATCH_REGS diff --git a/sys/boot/alpha/libalpha/prom_swpal.S b/sys/boot/alpha/libalpha/prom_swpal.S new file mode 100644 index 0000000..b4d3cac --- /dev/null +++ b/sys/boot/alpha/libalpha/prom_swpal.S @@ -0,0 +1,139 @@ +/* + * $Id$ + * From: $NetBSD: prom_swpal.S,v 1.2 1997/04/06 08:41:01 cgd Exp $ + */ + +/* + * Copyright (c) 1994, 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Keith Bostic + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#define ASSEMBLER +#include <machine/asm.h> +#include <machine/prom.h> +#include <machine/rpb.h> + +/* Offsets from base of HWRPB. */ +#define RPB_SELFREF 0x00 +#define RPB_SLOTSIZE 0x98 +#define RPB_PERCPU_OFF 0xA0 + +/* Offsets in a boot PCB. */ +#define PCB_KSP 0x00 +#define PCB_PTBR 0x10 +#define PCB_ASN 0x1c +#define PCB_FEN 0x28 + +/* Pal values. */ +#define PAL_RESERVED 0 /* Reserved to Digital. */ +#define PAL_VMS 1 /* VMS */ +#define PAL_OSF 2 /* OSF */ + +/* + * PAL code switch routine. + */ +#define D_RA (7*8) +#define D_S0 (8*8) +#define D_S1 (9*8) +#define D_S2 (10*8) +#define D_S3 (11*8) +#define D_S4 (12*8) +#define D_S5 (13*8) +#define PALSW_FRAME_SIZE (14*8) +#define PALSW_REGS IM_RA|IM_S0|IM_S1|IM_S2|IM_S3|IM_S4|IM_S5 + + .comm ptbr_save,8 + + .text + .align 4 + +NESTED(switch_palcode, 0, PALSW_FRAME_SIZE, ra, PALSW_REGS, 0) + LDGP(pv) +/* ldgp gp, 0(pv)*/ + + lda sp, -PALSW_FRAME_SIZE(sp) + stq ra, D_RA(sp) + stq s0, D_S0(sp) + stq s1, D_S1(sp) + stq s2, D_S2(sp) + stq s3, D_S3(sp) + stq s4, D_S4(sp) + stq s5, D_S5(sp) + + stq pv, 0(sp) + stq gp, 8(sp) + + ldiq s0, HWRPB_ADDR /* s0 HWRPB_ADDR */ + ldq s1, RPB_SLOTSIZE(s0) + call_pal PAL_VMS_mfpr_whami + mulq s1, v0, s1 /* s1 per_cpu offset from base */ + ldq s2, RPB_PERCPU_OFF(s0) + addq s0, s2, s2 + addq s2, s1, s2 /* s2 PCB (virtual) */ + + call_pal PAL_VMS_mfpr_ptbr + stq v0, PCB_PTBR(s2) + stq v0, ptbr_save /* save PTBR for the kernel */ + stl zero, PCB_ASN(s2) + stq zero, PCB_FEN(s2) + stq sp, PCB_KSP(s2) + + ldq t0, RPB_SELFREF(s0) /* HWRBP base (physical) */ + ldq t1, RPB_PERCPU_OFF(s0) + addq t0, t1, t0 + addq t0, s1, t0 /* PCB base (phys) */ + stq t0, 16(sp) + + call_pal PAL_VMS_mfpr_vptb + mov v0, a3 + ldiq a0, PAL_OSF + lda a1, contin + ldq a2, 16(sp) + + call_pal PAL_swppal /* a0, a1, a2, a3 */ + +contin: ldq pv, 0(sp) + ldq gp, 8(sp) + + ldq ra, D_RA(sp) + ldq s0, D_S0(sp) + ldq s1, D_S1(sp) + ldq s2, D_S2(sp) + ldq s3, D_S3(sp) + ldq s4, D_S4(sp) + ldq s5, D_S5(sp) + lda sp, PALSW_FRAME_SIZE(sp) + RET +END(switch_palcode) + +#undef D_RA +#undef D_S0 +#undef D_S1 +#undef D_S2 +#undef D_S3 +#undef D_S4 +#undef D_S5 +#undef PALSW_FRAME_SIZE +#undef PALSW_REGS diff --git a/sys/boot/alpha/libalpha/reboot.c b/sys/boot/alpha/libalpha/reboot.c new file mode 100644 index 0000000..35750ec --- /dev/null +++ b/sys/boot/alpha/libalpha/reboot.c @@ -0,0 +1,48 @@ +/*- + * Copyright (c) 1998 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stand.h> +#include <machine/rpb.h> + +void +reboot(void) +{ + struct rpb *hwrpb = (struct rpb *)HWRPB_ADDR; + struct pcs *pcs = LOCATE_PCS(hwrpb, hwrpb->rpb_primary_cpu_id); + pcs->pcs_flags |= PCS_HALT_WARM_BOOT; + alpha_pal_halt(); +} + +void +exit(int code) +{ + struct rpb *hwrpb = (struct rpb *)HWRPB_ADDR; + struct pcs *pcs = LOCATE_PCS(hwrpb, hwrpb->rpb_primary_cpu_id); + pcs->pcs_flags |= PCS_HALT_STAY_HALTED; + alpha_pal_halt(); +} diff --git a/sys/boot/alpha/libalpha/srmdisk.c b/sys/boot/alpha/libalpha/srmdisk.c new file mode 100644 index 0000000..f7427bd --- /dev/null +++ b/sys/boot/alpha/libalpha/srmdisk.c @@ -0,0 +1,334 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * Copyright (c) 1998 Doug Rabson <dfr@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +/* + * SRM disk device handling. + * + * Ideas and algorithms from: + * + * - NetBSD libi386/biosdisk.c + * - FreeBSD biosboot/disk.c + * + * XXX Todo: add bad144 support. + */ + +#include <stand.h> + +#include <sys/disklabel.h> +#include <sys/diskslice.h> + +#include <machine/stdarg.h> +#include <machine/prom.h> + +#include "libalpha.h" + +#define SRMDISK_SECSIZE 512 + +#define BUFSIZE (1 * SRMDISK_SECSIZE) +#define MAXBDDEV MAXDEV + +#ifdef DISK_DEBUG +# define D(x) x +#else +# define D(x) +#endif + +static int bd_init(void); +static int bd_strategy(void *devdata, int flag, daddr_t dblk, size_t size, void *buf, size_t *rsize); +static int bd_open(struct open_file *f, void *vdev); +static int bd_close(struct open_file *f); + +struct open_disk { + int od_fd; + int od_unit; /* our unit number */ + int od_boff; /* block offset from beginning of SRM disk */ + int od_flags; +#define BD_MODEMASK 0x3 +#define BD_MODEINT13 0x0 +#define BD_MODEEDD1 0x1 +#define BD_MODEEDD3 0x2 +#define BD_FLOPPY (1<<2) + u_char od_buf[BUFSIZE]; /* transfer buffer (do we want/need this?) */ +}; + +struct devsw srmdisk = { + "disk", + DEVT_DISK, + bd_init, + bd_strategy, + bd_open, + bd_close, + noioctl +}; + +/* + * List of SRM devices, translation from disk unit number to + * SRM unit number. + */ +static struct +{ + char bd_name[64]; + int bd_unit; /* SRM unit number */ + int bd_namelen; + int bd_flags; +} bdinfo [MAXBDDEV]; +static int nbdinfo = 0; + +/* + * Quiz SRM for disk devices, save a little info about them. + */ +static int +bd_init(void) +{ + prom_return_t ret; + char devname[64]; + + bdinfo[0].bd_unit = 0; /* XXX */ + bdinfo[0].bd_flags = 0; /* XXX */ + ret.bits = prom_getenv(PROM_E_BOOTED_DEV, + bdinfo[0].bd_name, sizeof(bdinfo[0].bd_name)); + bdinfo[0].bd_namelen = ret.u.retval; + nbdinfo++; + + return (0); +} + +/* + * Attempt to open the disk described by (dev) for use by (f). + * + * Note that the philosophy here is "give them exactly what + * they ask for". This is necessary because being too "smart" + * about what the user might want leads to complications. + * (eg. given no slice or partition value, with a disk that is + * sliced - are they after the first BSD slice, or the DOS + * slice before it?) + */ +static int +bd_open(struct open_file *f, void *vdev) +{ + struct alpha_devdesc *dev = vdev; + struct dos_partition *dptr; + struct open_disk *od; + struct disklabel *lp; + int sector, slice, i; + int error; + int unit; + prom_return_t ret; + + unit = dev->d_kind.srmdisk.unit; + if (unit >= nbdinfo) { + D(printf("attempt to open nonexistent disk\n")); + return(ENXIO); + } + + /* Call the prom to open the disk. */ + ret.bits = prom_open(bdinfo[unit].bd_name, bdinfo[unit].bd_namelen); + if (ret.u.status == 2) + return (ENXIO); + if (ret.u.status == 3) + return (EIO); + + od = (struct open_disk *) malloc(sizeof(struct open_disk)); + if (!od) { + D(printf("srmdiskopen: no memory\n")); + return (ENOMEM); + } + + /* Look up SRM unit number, intialise open_disk structure */ + od->od_fd = ret.u.retval; + od->od_unit = dev->d_kind.srmdisk.unit; + od->od_flags = bdinfo[od->od_unit].bd_flags; + od->od_boff = 0; + error = 0; + +#if 0 + /* Get geometry for this open (removable device may have changed) */ + if (set_geometry(&od->od_ll)) { + D(printf("bd_open: can't get geometry\n")); + error = ENXIO; + goto out; + } +#endif + + /* + * Following calculations attempt to determine the correct value + * for d->od_boff by looking for the slice and partition specified, + * or searching for reasonable defaults. + */ + +#if 0 + /* + * Find the slice in the DOS slice table. + */ + if (readsects(&od->od_ll, 0, 1, od->od_buf, 0)) { + D(printf("bd_open: error reading MBR\n")); + error = EIO; + goto out; + } + + /* + * Check the slice table magic. + */ + if ((od->od_buf[0x1fe] != 0xff) || (od->od_buf[0x1ff] != 0xaa)) { + /* If a slice number was explicitly supplied, this is an error */ + if (dev->d_kind.srmdisk.slice > 0) { + D(printf("bd_open: no slice table/MBR (no magic)\n")); + error = ENOENT; + goto out; + } + sector = 0; + goto unsliced; /* may be a floppy */ + } + dptr = (struct dos_partition *) & od->od_buf[DOSPARTOFF]; + + /* + * XXX No support here for 'extended' slices + */ + if (dev->d_kind.srmdisk.slice <= 0) { + /* + * Search for the first FreeBSD slice; this also works on "unsliced" + * disks, as they contain a "historically bogus" MBR. + */ + for (i = 0; i < NDOSPART; i++, dptr++) + if (dptr->dp_typ == DOSPTYP_386BSD) { + sector = dptr->dp_start; + break; + } + /* Did we find something? */ + if (sector == -1) { + error = ENOENT; + goto out; + } + } else { + /* + * Accept the supplied slice number unequivocally (we may be looking + * for a DOS partition) if we can handle it. + */ + if ((dev->d_kind.srmdisk.slice > NDOSPART) || (dev->d_kind.srmdisk.slice < 1)) { + error = ENOENT; + goto out; + } + dptr += (dev->d_kind.srmdisk.slice - 1); + sector = dptr->dp_start; + } + unsliced: + +#else + sector = 0; +#endif + /* + * Now we have the slice, look for the partition in the disklabel if we have + * a partition to start with. + */ + if (dev->d_kind.srmdisk.partition < 0) { + od->od_boff = sector; /* no partition, must be after the slice */ + } else { + if (bd_strategy(od, F_READ, sector + LABELSECTOR, 512, od->od_buf, 0)) { + D(printf("bd_open: error reading disklabel\n")); + error = EIO; + goto out; + } + lp = (struct disklabel *) (od->od_buf + LABELOFFSET); + if (lp->d_magic != DISKMAGIC) { + D(printf("bd_open: no disklabel\n")); + error = ENOENT; + goto out; + + } else if (dev->d_kind.srmdisk.partition >= lp->d_npartitions) { + + /* + * The partition supplied is out of bounds; this is fatal. + */ + D(printf("partition '%c' exceeds partitions in table (a-'%c')\n", + 'a' + dev->d_kind.srmdisk.partition, 'a' + lp->d_npartitions)); + error = EPART; + goto out; + + } else { + + /* + * Complain if the partition type is wrong and it shouldn't be, but + * regardless accept this partition. + */ + D(if ((lp->d_partitions[dev->d_kind.srmdisk.partition].p_fstype == FS_UNUSED) && + !(od->od_flags & BD_FLOPPY)) /* Floppies often have bogus fstype */ + printf("bd_open: warning, partition marked as unused\n");); + + od->od_boff = lp->d_partitions[dev->d_kind.srmdisk.partition].p_offset; + } + } + /* + * Save our context + */ + f->f_devdata = od; + + out: + if (error) + free(od); + return(error); +} + +static int +bd_close(struct open_file *f) +{ + struct open_disk *od = f->f_devdata; + + (void)prom_close(od->od_fd); + + free(od); + f->f_devdata = NULL; + return(0); +} + +static int +bd_strategy(void *devdata, int flag, daddr_t dblk, size_t size, void *buf, size_t *rsize) +{ + prom_return_t ret; + struct open_disk *od = (struct open_disk *)devdata; + + if (size % SRMDISK_SECSIZE) + panic("bd_strategy: I/O not block multiple"); + + if (flag != F_READ) + return(EROFS); + + if (rsize) + *rsize = 0; + + ret.bits = prom_read(od->od_fd, size, buf, dblk + od->od_boff); + if (ret.u.status) { + D(printf("read error\n")); + return (EIO); + } + + if (rsize) + *rsize = size; + return (0); +} + diff --git a/sys/boot/alpha/libalpha/srmnet.c b/sys/boot/alpha/libalpha/srmnet.c new file mode 100644 index 0000000..d15fa5f --- /dev/null +++ b/sys/boot/alpha/libalpha/srmnet.c @@ -0,0 +1,257 @@ +/* + * $Id$ + * From: $NetBSD: if_prom.c,v 1.10 1997/09/06 14:08:33 drochner Exp $ + */ + +/* + * Copyright (c) 1997 Christopher G. Demetriou. All rights reserved. + * Copyright (c) 1993 Adam Glass + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Adam Glass. + * 4. The name of the Author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/types.h> + +#include <netinet/in.h> +#include <netinet/in_systm.h> + +#include <stand.h> +#include <net.h> +#include <netif.h> +#include <machine/prom.h> +#include "bbinfo.h" + +int prom_probe(); +int prom_match(); +void prom_init(); +int prom_get(); +int prom_put(); +void prom_end(); + +extern struct netif_stats prom_stats[]; + +struct netif_dif prom_ifs[] = { +/* dif_unit dif_nsel dif_stats dif_private */ + { 0, 1, &prom_stats[0], 0, }, +}; + +struct netif_stats prom_stats[NENTS(prom_ifs)]; + +struct netbbinfo netbbinfo = { + 0xfeedbabedeadbeef, /* magic number */ + 0, /* set */ + {0, 0, 0, 0, 0, 0}, /* ether address */ + 0, /* force */ + { 0, }, /* pad2 */ + 0, /* cksum */ + 0xfeedbeefdeadbabe, /* magic number */ +}; + +struct netif_driver srmnet = { + "prom", /* netif_bname */ + prom_match, /* netif_match */ + prom_probe, /* netif_probe */ + prom_init, /* netif_init */ + prom_get, /* netif_get */ + prom_put, /* netif_put */ + prom_end, /* netif_end */ + prom_ifs, /* netif_ifs */ + NENTS(prom_ifs) /* netif_nifs */ +}; + +int netfd = 0, broken_firmware; + +int +prom_match(nif, machdep_hint) + struct netif *nif; + void *machdep_hint; +{ + + return (1); +} + +int +prom_probe(nif, machdep_hint) + struct netif *nif; + void *machdep_hint; +{ + + return 0; +} + +int +prom_put(desc, pkt, len) + struct iodesc *desc; + void *pkt; + int len; +{ + + prom_write(netfd, len, pkt, 0); + + return len; +} + + +int +prom_get(desc, pkt, len, timeout) + struct iodesc *desc; + void *pkt; + int len; + time_t timeout; +{ + prom_return_t ret; + time_t t; + int cc; + char hate[2000]; + + t = getsecs(); + cc = 0; + while (((getsecs() - t) < timeout) && !cc) { + if (broken_firmware) + ret.bits = prom_read(netfd, 0, hate, 0); + else + ret.bits = prom_read(netfd, sizeof hate, hate, 0); + if (ret.u.status == 0) + cc = ret.u.retval; + } + if (broken_firmware) + cc = min(cc, len); + else + cc = len; + bcopy(hate, pkt, cc); + + return cc; +} + +extern char *strchr(); + +void +prom_init(desc, machdep_hint) + struct iodesc *desc; + void *machdep_hint; +{ + prom_return_t ret; + char devname[64]; + int devlen, i; + int netbbinfovalid; + char *enet_addr; + u_int64_t *qp, csum; + + broken_firmware = 0; + + csum = 0; + for (i = 0, qp = (u_int64_t *)&netbbinfo; + i < (sizeof netbbinfo / sizeof (u_int64_t)); i++, qp++) + csum += *qp; + netbbinfovalid = (csum == 0); + if (netbbinfovalid) + netbbinfovalid = netbbinfo.set; + + printf("netbbinfo "); + if (!netbbinfovalid) + printf("invalid\n"); + else + printf("valid: force = %d, ea = %s\n", netbbinfo.force, + ether_sprintf(netbbinfo.ether_addr)); + + ret.bits = prom_getenv(PROM_E_BOOTED_DEV, devname, sizeof(devname)); + devlen = ret.u.retval; + + /* Ethernet address is the 9th component of the booted_dev string. */ + enet_addr = devname; + for (i = 0; i < 8; i++) { + enet_addr = strchr(enet_addr, ' '); + if (enet_addr == NULL) { + printf("boot: boot device name does not contain ethernet address.\n"); + goto punt; + } + enet_addr++; + } + if (enet_addr != NULL) { + int hv, lv; + +#define dval(c) (((c) >= '0' && (c) <= '9') ? ((c) - '0') : \ + (((c) >= 'A' && (c) <= 'F') ? (10 + (c) - 'A') : \ + (((c) >= 'a' && (c) <= 'f') ? (10 + (c) - 'a') : -1))) + + for (i = 0; i < 6; i++) { + hv = dval(*enet_addr); enet_addr++; + lv = dval(*enet_addr); enet_addr++; + enet_addr++; + + if (hv == -1 || lv == -1) { + printf("boot: boot device name contains bogus ethernet address.\n"); + goto punt; + } + + desc->myea[i] = (hv << 4) | lv; + } +#undef dval + } + + if (netbbinfovalid && netbbinfo.force) { + printf("boot: using hard-coded ethernet address (forced).\n"); + bcopy(netbbinfo.ether_addr, desc->myea, sizeof desc->myea); + } + + gotit: + printf("boot: ethernet address: %s\n", ether_sprintf(desc->myea)); + + ret.bits = prom_open(devname, devlen + 1); + if (ret.u.status) { + printf("prom_init: open failed: %d\n", ret.u.status); + goto reallypunt; + } + netfd = ret.u.retval; + return; + + punt: + broken_firmware = 1; + if (netbbinfovalid) { + printf("boot: using hard-coded ethernet address.\n"); + bcopy(netbbinfo.ether_addr, desc->myea, sizeof desc->myea); + goto gotit; + } + + reallypunt: + printf("\n"); + printf("Boot device name was: \"%s\"\n", devname); + printf("\n"); + printf("Your firmware may be too old to network-boot NetBSD/Alpha,\n"); + printf("or you might have to hard-code an ethernet address into\n"); + printf("your network boot block with setnetbootinfo(8).\n"); + halt(); +} + +void +prom_end(nif) + struct netif *nif; +{ + prom_close(netfd); +} diff --git a/sys/boot/alpha/libalpha/start.S b/sys/boot/alpha/libalpha/start.S new file mode 100644 index 0000000..53063ab --- /dev/null +++ b/sys/boot/alpha/libalpha/start.S @@ -0,0 +1,85 @@ +/* + * $Id$ + * From: $NetBSD: start.S,v 1.4 1998/03/28 00:54:15 cgd Exp $ + */ + +/* + * Mach Operating System + * Copyright (c) 1992 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +#include <machine/asm.h> + +/* + * start -- + * Entry point for boot/standalone programs. + * + * Arguments: + * a0 long (first free physical page) + * + * This is where the prom comes to. Leaves all exception and interrupts + * to prom, runs off prom's stack too. No return values. + */ + .text + .set noreorder /* don't reorder instructions */ + +#define ENTRY_FRAME 32 + +NESTED(start, 1, ENTRY_FRAME, ra, 0, 0) + br pv,Lstartgp +Lstartgp: + LDGP(pv) + +#ifndef PRIMARY_BOOTBLOCK + lda sp,start /* start stack below text */ + lda sp,-ENTRY_FRAME(sp) +#endif + + lda a0,_edata + lda a1,_end + subq a1,a0,a1 + CALL(bzero) + + CALL(main) /* transfer to C */ + +XLEAF(_rtt, 0) +XLEAF(halt, 0) + call_pal PAL_halt /* halt if we ever return */ +END(start) + +/* + * Dummy routine for GCC2. + */ +LEAF(__main,0) + RET +END(__main) + +/* + * cpu_number + * Return the cpu number, using the whami instruction. + */ +LEAF(cpu_number, 0) + call_pal PAL_VMS_mfpr_whami + RET +END(cpu_number) diff --git a/sys/boot/alpha/libalpha/time.c b/sys/boot/alpha/libalpha/time.c new file mode 100644 index 0000000..7b87d2f --- /dev/null +++ b/sys/boot/alpha/libalpha/time.c @@ -0,0 +1,43 @@ +/*- + * Copyright (c) 1998 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stand.h> + +/* + * Can't do this properly without putting PCI chipset drivers into the + * bootstrap :-( + */ + +time_t +time(time_t *tloc) +{ + int secs = getsecs(); + if (tloc) + *tloc = secs; + return secs; +} diff --git a/sys/boot/alpha/netboot/Makefile b/sys/boot/alpha/netboot/Makefile new file mode 100644 index 0000000..210a0f0 --- /dev/null +++ b/sys/boot/alpha/netboot/Makefile @@ -0,0 +1,72 @@ +# $NetBSD: Makefile,v 1.12 1998/02/19 14:18:36 drochner Exp $ + +BASE= netboot +PROG= ${BASE} +NOMAN= +NEWVERSWHAT= "SRM net boot" + +.PATH: ${.CURDIR}/../common + +# i386-specific bootstrap sources +SRCS+= main.c conf.c dev_net.c + +# Always add MI sources +.PATH: ${.CURDIR}/../../common +.include <${.CURDIR}/../../common/Makefile.inc> +CFLAGS+= -mno-fp-regs +CFLAGS+= -I${.CURDIR}/../../common -I${.CURDIR} +# Verbose ls causes extra heap usage +CFLAGS+= -DVERBOSE_LS + +CLEANFILES+= vers.c vers.o gensetdefs.o gensetdefs setdef0.o setdef1.o \ + setdefs.h start.o +CLEANFILES+= ${BASE} ${BASE}.sym ${BASE}.list + +CFLAGS+= -Wall + +# XXX fix to use "standard" versions +LIBSTANDDIR= /home/dfr/FreeBSD/alpha/src/lib/libstand +LIBSTAND= ${LIBSTANDDIR}/obj/libstand.a +CFLAGS+= -I${LIBSTANDDIR} +LIBALPHA= ${.CURDIR}/../libalpha/obj/libalpha.a +CFLAGS+= -I${.CURDIR}/.. +CRT= start.o +STRIP= + +all: ${BASE} + +vers.o: ${.CURDIR}/newvers.sh ${.CURDIR}/Makefile + sh ${.CURDIR}/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT} + ${CC} -c vers.c + +${BASE}: ${BASE}.sym + objcopy -O binary ${BASE}.sym ${BASE} + +${BASE}.nosym: ${BASE}.sym + cp ${BASE}.sym ${BASE}.nosym + strip ${BASE}.nosym + +${BASE}.sym: ${OBJS} ${LIBSTAND} ${LIBALPHA} ${CRT} vers.o setdef0.o setdef1.o + ${LD} -o ${BASE}.sym -M -e start -N -Ttext ${PRIMARY_LOAD_ADDRESS} \ + ${CRT} setdef0.o ${OBJS} setdef1.o \ + vers.o ${LIBSTAND} ${LIBALPHA} ${LIBSTAND} >${.OBJDIR}/${BASE}.list + +start.o: ${.CURDIR}/../libalpha/start.S + ${CC} -c -DPRIMARY_BOOTBLOCK $< + +setdef0.o: setdefs.h + +setdef1.o: setdefs.h + +.include <bsd.prog.mk> + +setdefs.h: gensetdefs ${OBJS} + @echo Generating linker sets + @./gensetdefs ${OBJS} >setdefs.h + +gensetdefs: gensetdefs.o + ${CC} -static gensetdefs.o -o $@ + +gensetdefs.o: gensetdefs.c + ${CC} -c $< + diff --git a/sys/boot/alpha/netboot/conf.c b/sys/boot/alpha/netboot/conf.c new file mode 100644 index 0000000..d54a452 --- /dev/null +++ b/sys/boot/alpha/netboot/conf.c @@ -0,0 +1,89 @@ +/* + * $Id$ + * From: $NetBSD: conf.c,v 1.2 1997/03/22 09:03:29 thorpej Exp $ + */ + +/* + * Copyright (c) 1997 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +#include <stand.h> +#include "libalpha/libalpha.h" +#include "dev_net.h" + +/* + * We could use linker sets for some or all of these, but + * then we would have to control what ended up linked into + * the bootstrap. So it's easier to conditionalise things + * here. + * + * XXX rename these arrays to be consistent and less namespace-hostile + */ + +/* Exported for libstand */ +struct devsw *devsw[] = { + &netdev, + NULL +}; + +struct fs_ops *file_system[] = { + &nfs_fsops, + &zipfs_fsops, + NULL +}; + +struct netif_driver *netif_drivers[] = { + &srmnet, + NULL, +}; + +/* Exported for alpha only */ +/* + * Sort formats so that those that can detect based on arguments + * rather than reading the file go first. + */ +struct module_format *module_formats[] = { + &alpha_elf, + NULL +}; + +/* + * Consoles + * + * We don't prototype these in libalpha.h because they require + * data structures from bootstrap.h as well. + */ +extern struct console promconsole; + +struct console *consoles[] = { + &promconsole, + NULL +}; diff --git a/sys/boot/alpha/netboot/netboot.list b/sys/boot/alpha/netboot/netboot.list new file mode 100644 index 0000000..97410e1 --- /dev/null +++ b/sys/boot/alpha/netboot/netboot.list @@ -0,0 +1,1177 @@ +Archive member included because of file (symbol) + +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(nfs.o) + conf.o (nfs_fsops) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bootparam.o) + dev_net.o (bp_whoami) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(rarp.o) + dev_net.o (rarp_getipaddress) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bootp.o) + dev_net.o (bootp) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(rpc.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(nfs.o) (rpc_port) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(stat.o) + ls.o (stat) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(dev.o) + dev_net.o (noioctl) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strncpy.o) + boot.o (strncpy) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strcat.o) + misc.o (strcat) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(pager.o) + commands.o (pager_open) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(getopt.o) + ls.o (optind) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(environment.o) + commands.o (environ) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strtol.o) + boot.o (strtol) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strchr.o) + boot.o (strchr) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strerror.o) + commands.o (strerror) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strdup.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(environment.o) (strdup) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(gets.o) + interp.o (ngets) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(zipfs.o) + conf.o (zipfs_fsops) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(read.o) + ls.o (read) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(open.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(read.o) (files) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(close.o) + interp.o (close) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(fstat.o) + ls.o (fstat) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(nullfs.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(zipfs.o) (null_write) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inflate.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(zipfs.o) (inflateEnd) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infblock.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inflate.o) (inflate_blocks_reset) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(adler32.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inflate.o) (adler32) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strrchr.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(zipfs.o) (strrchr) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strcmp.o) + console.o (strcmp) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(twiddle.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(nfs.o) (twiddle) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(zutil.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inflate.o) (zcalloc) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inftrees.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infblock.o) (inflate_trees_bits) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infcodes.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infblock.o) (inflate_codes_new) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(alloc.o) + main.o (setheap) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(inffast.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infcodes.o) (inflate_fast) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infutil.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(infblock.o) (inflate_mask) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(net.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bootp.o) (sendudp) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(in_cksum.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(net.o) (in_cksum) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(arp.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(net.o) (arpwhohas) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ntohl.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(nfs.o) (ntohl) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(htonl.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(nfs.o) (htonl) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ether.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(rarp.o) (sendether) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ntohs.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bootparam.o) (ntohs) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(htons.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(nfs.o) (htons) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bcopy.o) + interp.o (bcopy) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bcmp.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(rarp.o) (bcmp) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(rarp.o) (bcea) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(netif.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(ether.o) (netif_get) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bzero.o) + start.o (bzero) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(printf.o) + main.o (printf) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(__remqu.o) + /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strtol.o) (__remqu) 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conf.o (promconsole) +/mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/netboot/../libalpha/obj/libalpha.a(prom_disp.o) + /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/netboot/../libalpha/obj/libalpha.a(prom.o) (prom_dispatch_v) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(lseek.o) + /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/netboot/../libalpha/obj/libalpha.a(elf_freebsd.o) (lseek) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(closeall.o) + /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/netboot/../libalpha/obj/libalpha.a(elf_freebsd.o) (closeall) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strncmp.o) + /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/netboot/../libalpha/obj/libalpha.a(devicename.o) (strncmp) +/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strcpy.o) + /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/netboot/../libalpha/obj/libalpha.a(devicename.o) (strcpy) + +Allocating common symbols +Common symbol size file + +servip 0x4 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bootp.o) +domainname 0x80 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) +nameip 0x4 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) +hostnamelen 0x4 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) +command_errmsg 0x8 commands.o +rpc_pmap_list 0x80 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(rpc.o) +errno 0x4 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) +bp_server_addr 0x4 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(bootparam.o) +ffp_save 0x8 /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/netboot/../libalpha/obj/libalpha.a(elf_freebsd.o) +swapip 0x4 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) +rootip 0x4 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(globals.o) +optarg 0x8 /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(getopt.o) +rpc_xid 0x4 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+ +Memory Configuration + +Name Origin Length +*default* 0x0000000000000000 0xffffffffffffffff + +Linker script and memory map + +Address of section .text set to 0x20000000 +LOAD start.o +LOAD setdef0.o +LOAD main.o +LOAD conf.o +LOAD dev_net.o +LOAD boot.o +LOAD commands.o +LOAD console.o +LOAD devopen.o +LOAD interp.o +LOAD ls.o +LOAD misc.o +LOAD module.o +LOAD panic.o +LOAD setdef1.o +LOAD vers.o +LOAD /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a +LOAD /mnt/herring/b/dfr/FreeBSD/boot/newboot/alpha/netboot/../libalpha/obj/libalpha.a +LOAD /home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a + 0x00000001200000b0 .=(0x120000000+SIZEOF_HEADERS) + +.interp + *(.interp) + +.hash + *(.hash) + +.dynsym + *(.dynsym) + +.dynstr + *(.dynstr) + +.gnu.version + *(.gnu.version) + +.gnu.version_d + *(.gnu.version_d) + +.gnu.version_r + *(.gnu.version_r) + +.rel.text + *(.rel.text) + *(.rel.gnu.linkonce.t*) + +.rela.text + *(.rela.text) + *(.rela.gnu.linkonce.t*) + +.rel.data + 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/home/dfr/FreeBSD/alpha/src/lib/libstand/obj/libstand.a(strcpy.o) diff --git a/sys/boot/alpha/netboot/newvers.sh b/sys/boot/alpha/netboot/newvers.sh new file mode 100644 index 0000000..88cc010 --- /dev/null +++ b/sys/boot/alpha/netboot/newvers.sh @@ -0,0 +1,44 @@ +#!/bin/sh - +# +# $NetBSD: newvers.sh,v 1.1 1997/07/26 01:50:38 thorpej Exp $ +# +# Copyright (c) 1984, 1986, 1990, 1993 +# The Regents of the University of California. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. All advertising materials mentioning features or use of this software +# must display the following acknowledgement: +# This product includes software developed by the University of +# California, Berkeley and its contributors. +# 4. Neither the name of the University nor the names of its contributors +# may be used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# @(#)newvers.sh 8.1 (Berkeley) 4/20/94 + +u=${USER-root} h=`hostname` t=`date` +r=`head -n 6 $1 | tail -n 1 | awk -F: ' { print $1 } '` + +echo "char bootprog_name[] = \"FreeBSD/alpha ${2}\";" > vers.c +echo "char bootprog_rev[] = \"${r}\";" >> vers.c +echo "char bootprog_date[] = \"${t}\";" >> vers.c +echo "char bootprog_maker[] = \"${u}@${h}\";" >> vers.c diff --git a/sys/boot/alpha/netboot/setdefs.h b/sys/boot/alpha/netboot/setdefs.h new file mode 100644 index 0000000..2320078 --- /dev/null +++ b/sys/boot/alpha/netboot/setdefs.h @@ -0,0 +1,2 @@ +/* $Id$ */ +DEFINE_SET(Xcommand_set, 15); diff --git a/sys/boot/alpha/netboot/vers.c b/sys/boot/alpha/netboot/vers.c new file mode 100644 index 0000000..89f3ea9 --- /dev/null +++ b/sys/boot/alpha/netboot/vers.c @@ -0,0 +1,4 @@ +char bootprog_name[] = "FreeBSD/alpha SRM net boot"; +char bootprog_rev[] = "0.1"; +char bootprog_date[] = "Mon Aug 17 10:38:31 BST 1998"; +char bootprog_maker[] = "dfr@salmon.nlsystems.com"; diff --git a/sys/boot/alpha/netboot/version b/sys/boot/alpha/netboot/version new file mode 100644 index 0000000..6346f50 --- /dev/null +++ b/sys/boot/alpha/netboot/version @@ -0,0 +1,7 @@ +$Id$ + +NOTE ANY CHANGES YOU MAKE TO THE BOOTBLOCKS HERE. The format of this +file is important. Make sure the current version number is on line 6. + +0.1: Initial i386 version, germinated from the NetBSD i386 + standalone, but enormously modified. diff --git a/sys/boot/common/Makefile.inc b/sys/boot/common/Makefile.inc new file mode 100644 index 0000000..aed1be6 --- /dev/null +++ b/sys/boot/common/Makefile.inc @@ -0,0 +1,4 @@ +# $Id$ + +SRCS+= boot.c commands.c console.c devopen.c interp.c ls.c misc.c module.c +SRCS+= panic.c diff --git a/sys/boot/common/boot.c b/sys/boot/common/boot.c new file mode 100644 index 0000000..ad24e2e --- /dev/null +++ b/sys/boot/common/boot.c @@ -0,0 +1,229 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +/* + * Loading modules, booting the system + */ + +#include <stand.h> +#include <string.h> + +#include "bootstrap.h" + +static char *getbootfile(int try); + +/* List of kernel names to try (may be overwritten by boot.config) XXX should move from here? */ +static char *default_bootfiles = "kernel,kernel.old"; + +/* + * The user wants us to boot. + */ +COMMAND_SET(boot, "boot", "boot a file or loaded kernel", command_boot); + +static int +command_boot(int argc, char *argv[]) +{ + struct loaded_module *km; + char *cp; + int try; + + /* + * See if the user has specified an explicit kernel to boot. + */ + if ((argc > 1) && (argv[1][0] != '-')) { + + /* XXX maybe we should discard everything and start again? */ + if (mod_findmodule(NULL, NULL) != NULL) { + sprintf(command_errbuf, "can't boot '%s', kernel module already loaded", argv[0]); + return(CMD_ERROR); + } + + /* find/load the kernel module */ + if (mod_load(argv[1], argc - 2, argv + 2) != 0) + return(CMD_ERROR); + /* we have consumed all arguments */ + argc = 1; + } + + /* + * See if there is a kernel module already loaded + */ + if (mod_findmodule(NULL, NULL) == NULL) { + for (try = 0; (cp = getbootfile(try)) != NULL; try++) { + if (mod_load(cp, argc - 1, argv + 1) != 0) { + printf("can't load '%s'\n", argv[0]); + } else { + /* we have consumed all arguments */ + argc = 1; + break; + } + } + } + + /* + * Loaded anything yet? + */ + if ((km = mod_findmodule(NULL, NULL)) == NULL) { + command_errmsg = "no bootable kernel"; + return(CMD_ERROR); + } + + /* + * If we were given arguments, discard any previous. + * XXX should we merge arguments? Hard to DWIM. + */ + if (argc > 1) { + if (km->m_args != NULL) + free(km->m_args); + km->m_args = unargv(argc - 1, argv + 1); + } + + /* Hook for platform-specific autoloading of modules */ + if (archsw.arch_autoload() != 0) + return(CMD_ERROR); + archsw.arch_boot(); + return(CMD_ERROR); +} + + +/* + * Autoboot after a delay + */ + +COMMAND_SET(autoboot, "autoboot", "boot automatically after a delay", command_autoboot); + +/* + * XXX note the 'prompt' argument is not really useful until quoting is implemented + */ +static int +command_autoboot(int argc, char *argv[]) +{ + int howlong; + char *cp, *prompt; + + prompt = NULL; + howlong = -1; + switch(argc) { + case 3: + prompt = argv[2]; + /* FALLTHROUGH */ + case 2: + howlong = strtol(argv[1], &cp, 0); + if (*cp != 0) { + sprintf(command_errbuf, "bad delay '%s'", argv[1]); + return(CMD_ERROR); + } + /* FALLTHROUGH */ + case 1: + return(autoboot(howlong, prompt)); + } + + command_errmsg = "too many arguments"; + return(CMD_ERROR); +} + +int +autoboot(int delay, char *prompt) +{ + time_t when, otime, ntime; + int c, yes; + char *argv[2]; + + if (delay == -1) + delay = 5; /* env var? compile-time define? */ + + otime = time(NULL); + when = otime + delay; /* when to boot */ + yes = 0; + + /* XXX could try to work out what we might boot */ + printf("%s\n", (prompt == NULL) ? "Hit [Enter] to boot immediately, or any other key for command prompt." : prompt); + + for (;;) { + if (ischar()) { + c = getchar(); + if ((c == '\r') || (c == '\n')) + yes = 1; + break; + } + ntime = time(NULL); + if (ntime == when) { + yes = 1; + break; + } + if (ntime != otime) { + printf("\rBooting [%s] in %d seconds...", getbootfile(0), (int)(when - ntime)); + otime = ntime; + } + } + printf("\n"); + if (yes) { + argv[0] = "boot"; + argv[1] = NULL; + return(command_boot(1, argv)); + } + return(CMD_OK); +} + +/* + * Scrounge for the name of the (try)'th file we will try to boot. + */ +static char * +getbootfile(int try) +{ + static char *name = NULL; + char *spec, *ep; + int len; + + /* we use dynamic storage */ + if (name != NULL) { + free(name); + name = NULL; + } + + /* + * Try $bootfile, then try our builtin default + */ + if ((spec = getenv("bootfile")) == NULL) + spec = default_bootfiles; + + while ((try > 0) && (spec != NULL)) + spec = strchr(spec, ','); + if (spec != NULL) { + if ((ep = strchr(spec, ',')) != NULL) { + len = ep - spec; + } else { + len = strlen(spec); + } + name = malloc(len + 1); + strncpy(name, spec, len); + name[len] = 0; + } + return(name); +} + diff --git a/sys/boot/common/bootstrap.h b/sys/boot/common/bootstrap.h new file mode 100644 index 0000000..12de19c --- /dev/null +++ b/sys/boot/common/bootstrap.h @@ -0,0 +1,226 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <sys/types.h> + +/* XXX debugging */ +extern struct console vidconsole; +#define MARK(s, c) {vidconsole.c_out(s); vidconsole.c_out(c); while (!vidconsole.c_ready()) ; vidconsole.c_in();} + +/* + * Generic device specifier; architecture-dependant + * versions may be larger, but should be allowed to + * overlap. + */ +struct devdesc +{ + struct devsw *d_dev; + int d_type; +#define DEVT_NONE 0 +#define DEVT_DISK 1 +#define DEVT_NET 2 +}; + +/* Commands and return values; nonzero return sets command_errmsg != NULL */ +typedef int (bootblk_cmd_t)(int argc, char *argv[]); +extern char *command_errmsg; +extern char command_errbuf[]; /* XXX blah, length */ +#define CMD_OK 0 +#define CMD_ERROR 1 + +/* interp.c */ +extern void interact(void); +extern void source(char *filename); + +/* boot.c */ +extern int autoboot(int delay, char *prompt); + +/* misc.c */ +extern char *unargv(int argc, char *argv[]); + +/* + * Modular console support. + */ +struct console +{ + char *c_name; + char *c_desc; + int c_flags; +#define C_PRESENTIN (1<<0) +#define C_PRESENTOUT (1<<1) +#define C_ACTIVEIN (1<<2) +#define C_ACTIVEOUT (1<<3) + void (* c_probe)(struct console *cp); /* set c_flags to match hardware */ + int (* c_init)(int arg); /* reinit XXX may need more args */ + void (* c_out)(int c); /* emit c */ + int (* c_in)(void); /* wait for and return input */ + int (* c_ready)(void); /* return nonzer if input waiting */ +}; +extern struct console *consoles[]; +extern void cons_probe(void); + +/* + * Module loader. + */ +#define MF_FORMATMASK 0xf +#define MF_AOUT 0 +#define MF_ELF 1 + +/* + * Module metadata header. + * + * Metadata are allocated on our heap, and copied into kernel space + * before executing the kernel. + */ +struct module_metadata +{ + size_t md_size; + u_int16_t md_type; + struct module_metadata *md_next; + char md_data[0]; /* data are immediately appended */ +}; + +/* + * Loaded module information. + * + * At least one module (the kernel) must be loaded in order to boot. + * The kernel is always loaded first. + */ +struct loaded_module +{ + char *m_name; /* module name */ + char *m_type; /* module type, eg 'kernel', 'pnptable', etc. */ + char *m_args; /* arguments for the module */ + void *m_metadata; /* metadata that will be placed in the module directory */ + int m_flags; /* 0xffff reserved for arch-specific use */ + vm_offset_t m_addr; /* load address */ + size_t m_size; /* module size */ + struct loaded_module *m_next; /* next module */ +}; + +struct module_format +{ + int l_format; + /* Load function must return EFTYPE if it can't handle the module supplied */ + int (* l_load)(char *filename, vm_offset_t dest, struct loaded_module **result); + int (* l_exec)(struct loaded_module *amp); +}; +extern struct module_format *module_formats[]; /* supplied by consumer */ +extern struct loaded_module *loaded_modules; +extern int mod_load(char *name, int argc, char *argv[]); +extern struct loaded_module *mod_findmodule(char *name, char *type); + +/* XXX these belong in <machine/bootinfo.h> */ +#define MODINFO_NAME 0x0000 +#define MODINFO_TYPE 0x0001 +#define MODINFO_ADDR 0x0002 +#define MODINFO_SIZE 0x0003 +#define MODINFO_METADATA 0x8000 + + +#if defined(__ELF__) + +/* + * Alpha GAS needs an align before the section change. It seems to assume + * that after the .previous, it is aligned, so the following .align 3 is + * ignored. Since the previous instructions often contain strings, this is + * a problem. + */ + +#ifdef __alpha__ +#define MAKE_SET(set, sym) \ + __asm(".align 3"); \ + __asm(".section .set." #set ",\"aw\""); \ + __asm(".quad " #sym); \ + __asm(".previous") +#else +#define MAKE_SET(set, sym) \ + __asm(".section .set." #set ",\"aw\""); \ + __asm(".long " #sym); \ + __asm(".previous") +#endif +#define TEXT_SET(set, sym) MAKE_SET(set, sym) +#define DATA_SET(set, sym) MAKE_SET(set, sym) +#define BSS_SET(set, sym) MAKE_SET(set, sym) +#define ABS_SET(set, sym) MAKE_SET(set, sym) + +#else + +/* + * Linker set support, directly from <sys/kernel.h> + * + * NB: the constants defined below must match those defined in + * ld/ld.h. Since their calculation requires arithmetic, we + * can't name them symbolically (e.g., 23 is N_SETT | N_EXT). + */ +#define MAKE_SET(set, sym, type) \ + static void const * const __set_##set##_sym_##sym = &sym; \ + __asm(".stabs \"_" #set "\", " #type ", 0, 0, _" #sym) +#define TEXT_SET(set, sym) MAKE_SET(set, sym, 23) +#define DATA_SET(set, sym) MAKE_SET(set, sym, 25) +#define BSS_SET(set, sym) MAKE_SET(set, sym, 27) +#define ABS_SET(set, sym) MAKE_SET(set, sym, 21) + +#endif + +struct linker_set { + int ls_length; + const void *ls_items[1]; /* really ls_length of them, trailing NULL */ +}; + +/* + * Support for commands + */ +struct bootblk_command +{ + const char *c_name; + const char *c_desc; + bootblk_cmd_t *c_fn; +}; + +#define COMMAND_SET(tag, key, desc, func) \ + static bootblk_cmd_t func; \ + static struct bootblk_command _cmd_ ## tag = { key, desc, func }; \ + DATA_SET(Xcommand_set, _cmd_ ## tag); + +extern struct linker_set Xcommand_set; + +/* + * functions called down from the generic code + */ +struct arch_switch +{ + /* Automatically load modules as required by detected hardware */ + int (* arch_autoload)(); + /* Boot the loaded kernel (first loaded module) */ + int (* arch_boot)(void); + /* Locate the device for (name), return pointer to tail in (*path) */ + int (*arch_getdev)(void **dev, char *name, char **path); +}; +extern struct arch_switch archsw; + diff --git a/sys/boot/common/commands.c b/sys/boot/common/commands.c new file mode 100644 index 0000000..af6a475 --- /dev/null +++ b/sys/boot/common/commands.c @@ -0,0 +1,155 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stand.h> +#include <string.h> +#include <sys/reboot.h> + +#include "bootstrap.h" + +char *command_errmsg; +char command_errbuf[256]; /* XXX should have procedural interface for setting, size limit? */ + +COMMAND_SET(help, "help", "detailed help", command_help); + +static int +command_help(int argc, char *argv[]) +{ + char helppath[80]; /* XXX buffer size? */ + + /* page the help text from our load path */ + sprintf(helppath, "%s/boot.help", getenv("loaddev")); + printf("%s\n", helppath); + if (pager_file(helppath) == -1) + printf("Verbose help not available, use '?' to list commands\n"); + return(CMD_OK); +} + +COMMAND_SET(commandlist, "?", "list commands", command_commandlist); + +static int +command_commandlist(int argc, char *argv[]) +{ + struct bootblk_command **cmdp; + int i; + + printf("Available commands:\n"); + cmdp = (struct bootblk_command **)Xcommand_set.ls_items; + for (i = 0; i < Xcommand_set.ls_length; i++) + if (cmdp[i]->c_name != NULL) + printf(" %-15s %s\n", cmdp[i]->c_name, cmdp[i]->c_desc); + return(CMD_OK); +} + +/* + * XXX set/show should become set/echo if we have variable + * substitution happening. + */ + +COMMAND_SET(show, "show", "show variable(s)", command_show); + +static int +command_show(int argc, char *argv[]) +{ + struct env_var *ev; + char *cp; + + if (argc < 2) { + /* + * With no arguments, print everything. + */ + pager_open(); + for (ev = environ; ev != NULL; ev = ev->ev_next) { + pager_output(ev->ev_name); + cp = getenv(ev->ev_name); + if (cp != NULL) { + pager_output("="); + pager_output(cp); + } + pager_output("\n"); + } + pager_close(); + } else { + if ((cp = getenv(argv[1])) != NULL) { + printf("%s\n", cp); + } else { + sprintf(command_errbuf, "variable '%s' not found", argv[1]); + return(CMD_ERROR); + } + } + return(CMD_OK); +} + +COMMAND_SET(set, "set", "set a variable", command_set); + +static int +command_set(int argc, char *argv[]) +{ + int err; + + if (argc != 2) { + command_errmsg = "wrong number of arguments"; + return(CMD_ERROR); + } else { + if ((err = putenv(argv[1])) != 0) { + command_errmsg = strerror(err); + return(CMD_ERROR); + } + } + return(CMD_OK); +} + +COMMAND_SET(unset, "unset", "unset a variable", command_unset); + +static int +command_unset(int argc, char *argv[]) +{ + int err; + + if (argc != 2) { + command_errmsg = "wrong number of arguments"; + return(CMD_ERROR); + } else { + if ((err = unsetenv(argv[1])) != 0) { + command_errmsg = strerror(err); + return(CMD_ERROR); + } + } + return(CMD_OK); +} + +COMMAND_SET(panic, "panic", "test panic", command_panic); + +static int +command_panic(int argc, char *argv[]) +{ + char *cp; + + cp = unargv(argc - 1, argv + 1); + panic(cp); +} diff --git a/sys/boot/common/console.c b/sys/boot/common/console.c new file mode 100644 index 0000000..5aed8b1 --- /dev/null +++ b/sys/boot/common/console.c @@ -0,0 +1,142 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stand.h> +#include <string.h> + +#include "bootstrap.h" +/* + * Core console support + */ + +static int cons_set(struct env_var *ev, int flags, void *value); +static int cons_find(char *name); + +/* + * Detect possible console(s) to use. The first probed console + * is marked active. Also create the console variable. + * + * XXX Add logic for multiple console support. + */ +void +cons_probe(void) +{ + int cons; + int active; + + /* Do all console probes, make the fist fully functional console active */ + for (cons = 0, active = -1; consoles[cons] != NULL; cons++) { + consoles[cons]->c_flags = 0; + consoles[cons]->c_probe(consoles[cons]); + if ((consoles[cons]->c_flags == (C_PRESENTIN | C_PRESENTOUT)) && (active == -1)) { + consoles[cons]->c_flags |= (C_ACTIVEIN | C_ACTIVEOUT); + active = cons; + } + } + printf("Console: %s\n", consoles[active]->c_desc); + env_setenv("console", 0, consoles[active]->c_name, cons_set, env_nounset); +} + +int +getchar(void) +{ + int cons; + int rv; + + /* Loop forever polling all active consoles */ + for(;;) + for (cons = 0; consoles[cons] != NULL; cons++) + if ((consoles[cons]->c_flags & C_ACTIVEIN) && + ((rv = consoles[cons]->c_in()) != -1)) + return(rv); +} + +int +ischar(void) +{ + int cons; + + for (cons = 0; consoles[cons] != NULL; cons++) + if ((consoles[cons]->c_flags & C_ACTIVEIN) && + (consoles[cons]->c_ready() != 0)) + return(1); + return(0); +} + +void +putchar(int c) +{ + int cons; + + /* Expand newlines */ + if (c == '\n') + putchar('\r'); + + for (cons = 0; consoles[cons] != NULL; cons++) + if (consoles[cons]->c_flags & C_ACTIVEOUT) + consoles[cons]->c_out(c); +} + +static int +cons_find(char *name) +{ + int cons; + + for (cons = 0; consoles[cons] != NULL; cons++) + if (!strcmp(consoles[cons]->c_name, name)) + return(cons); + return(-1); +} + + +/* + * Select a console. + * + * XXX Note that the console system design allows for some extension + * here (eg. multiple consoles, input/output only, etc.) + */ +static int +cons_set(struct env_var *ev, int flags, void *value) +{ + int cons, active; + + if ((active = cons_find(value)) == -1) { + printf("no such console '%s'\n", (char *)value); + return(CMD_ERROR); + } + + /* disable all current consoles */ + for (cons = 0; consoles[cons] != NULL; cons++) + consoles[cons]->c_flags &= ~(C_ACTIVEIN | C_ACTIVEOUT); + + /* enable selected console */ + consoles[active]->c_flags |= C_ACTIVEIN | C_ACTIVEOUT; + + env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL); + return(CMD_OK); +} diff --git a/sys/boot/common/dev_net.c b/sys/boot/common/dev_net.c new file mode 100644 index 0000000..81f77c8 --- /dev/null +++ b/sys/boot/common/dev_net.c @@ -0,0 +1,275 @@ +/* + * $Id$ + * From: $NetBSD: dev_net.c,v 1.12 1997/12/10 20:38:37 gwr Exp $ + */ + +/*- + * Copyright (c) 1997 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Gordon W. Ross. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This module implements a "raw device" interface suitable for + * use by the stand-alone I/O library NFS code. This interface + * does not support any "block" access, and exists only for the + * purpose of initializing the network interface, getting boot + * parameters, and performing the NFS mount. + * + * At open time, this does: + * + * find interface - netif_open() + * RARP for IP address - rarp_getipaddress() + * RPC/bootparams - callrpc(d, RPC_BOOTPARAMS, ...) + * RPC/mountd - nfs_mount(sock, ip, path) + * + * the root file handle from mountd is saved in a global + * for use by the NFS open code (NFS/lookup). + */ + +#include <machine/stdarg.h> +#include <sys/param.h> +#include <sys/socket.h> +#include <net/if.h> +#include <netinet/in.h> +#include <netinet/in_systm.h> + +#include <stand.h> +#include <net.h> +#include <netif.h> +#include <nfs.h> +#include <bootparam.h> + +#include "dev_net.h" +#include "bootstrap.h" + +int debug = 0; + +static int netdev_sock = -1; +static int netdev_opens; + +static int net_init(void); +static int net_open(struct open_file *, void *vdev); +static int net_close(struct open_file *); +static int net_ioctl(); +static int net_strategy(); + +static int net_getparams(int sock); + +struct devsw netdev = { + "net", + DEVT_NET, + net_init, + net_strategy, + net_open, + net_close, + noioctl +}; + +int +net_init(void) +{ + return 0; +} + +/* + * Called by devopen after it sets f->f_dev to our devsw entry. + * This opens the low-level device and sets f->f_devdata. + * This is declared with variable arguments... + */ +int +net_open(struct open_file *f, void *vdev) +{ + char *devname; /* Device part of file name (or NULL). */ + int error = 0; + + devname = vdev; + + /* On first open, do netif open, mount, etc. */ + if (netdev_opens == 0) { + /* Find network interface. */ + if (netdev_sock < 0) { + netdev_sock = netif_open(devname); + if (netdev_sock < 0) { + printf("net_open: netif_open() failed\n"); + return (ENXIO); + } + if (debug) + printf("net_open: netif_open() succeeded\n"); + } + if (rootip.s_addr == 0) { + /* Get root IP address, and path, etc. */ + error = net_getparams(netdev_sock); + if (error) { + /* getparams makes its own noise */ + netif_close(netdev_sock); + netdev_sock = -1; + return (error); + } + } + } + netdev_opens++; + f->f_devdata = &netdev_sock; + return (error); +} + +int +net_close(f) + struct open_file *f; +{ + +#ifdef NETIF_DEBUG + if (debug) + printf("net_close: opens=%d\n", netdev_opens); +#endif + + /* On last close, do netif close, etc. */ + f->f_devdata = NULL; + /* Extra close call? */ + if (netdev_opens <= 0) + return (0); + /* + * On SRM boots opening the device the first time takes ages + * I don't see the point of doing this every time you load a file + */ + /* netdev_opens--; */ + /* Not last close? */ + if (netdev_opens > 0) + return(0); + rootip.s_addr = 0; + if (netdev_sock >= 0) { + if (debug) + printf("net_close: calling netif_close()\n"); + netif_close(netdev_sock); + netdev_sock = -1; + } + return (0); +} + +int +net_ioctl() +{ + return EIO; +} + +int +net_strategy() +{ + return EIO; +} + +#define SUPPORT_BOOTP + +/* + * Get info for NFS boot: our IP address, our hostname, + * server IP address, and our root path on the server. + * There are two ways to do this: The old, Sun way, + * and the more modern, BOOTP way. (RFC951, RFC1048) + * + * The default is to use the Sun bootparams RPC + * (because that is what the kernel will do). + * MD code can make try_bootp initialied data, + * which will override this common definition. + */ +#ifdef SUPPORT_BOOTP +int try_bootp = 1; +int bootp(int sock); +#endif + +static int +net_getparams(sock) + int sock; +{ + char buf[MAXHOSTNAMELEN]; + n_long smask; + +#ifdef SUPPORT_BOOTP + /* + * Try to get boot info using BOOTP. If we succeed, then + * the server IP address, gateway, and root path will all + * be initialized. If any remain uninitialized, we will + * use RARP and RPC/bootparam (the Sun way) to get them. + */ + if (try_bootp) + bootp(sock); + if (myip.s_addr != 0) + return (0); + if (debug) + printf("net_open: BOOTP failed, trying RARP/RPC...\n"); +#endif + + /* + * Use RARP to get our IP address. This also sets our + * netmask to the "natural" default for our address. + */ + if (rarp_getipaddress(sock)) { + printf("net_open: RARP failed\n"); + return (EIO); + } + printf("net_open: client addr: %s\n", inet_ntoa(myip)); + + /* Get our hostname, server IP address, gateway. */ + if (bp_whoami(sock)) { + printf("net_open: bootparam/whoami RPC failed\n"); + return (EIO); + } + printf("net_open: client name: %s\n", hostname); + + /* + * Ignore the gateway from whoami (unreliable). + * Use the "gateway" parameter instead. + */ + smask = 0; + gateip.s_addr = 0; + if (bp_getfile(sock, "gateway", &gateip, buf) == 0) { + /* Got it! Parse the netmask. */ + smask = ip_convertaddr(buf); + } + if (smask) { + netmask = smask; + printf("net_open: subnet mask: %s\n", intoa(netmask)); + } + if (gateip.s_addr) + printf("net_open: net gateway: %s\n", inet_ntoa(gateip)); + + /* Get the root server and pathname. */ + if (bp_getfile(sock, "root", &rootip, rootpath)) { + printf("net_open: bootparam/getfile RPC failed\n"); + return (EIO); + } + + printf("net_open: server addr: %s\n", inet_ntoa(rootip)); + printf("net_open: server path: %s\n", rootpath); + + return (0); +} diff --git a/sys/boot/common/dev_net.h b/sys/boot/common/dev_net.h new file mode 100644 index 0000000..7c256ff --- /dev/null +++ b/sys/boot/common/dev_net.h @@ -0,0 +1,30 @@ +/*- + * Copyright (c) 1998 Doug Rabson <dfr@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +extern struct devsw netdev; + diff --git a/sys/boot/common/devopen.c b/sys/boot/common/devopen.c new file mode 100644 index 0000000..bb03f3d --- /dev/null +++ b/sys/boot/common/devopen.c @@ -0,0 +1,61 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + + +#include <stand.h> +#include <string.h> + +#include "bootstrap.h" + +int +devopen(struct open_file *f, const char *fname, char **file) +{ + struct devdesc *dev; + int result; + + if ((result = archsw.arch_getdev((void *)&dev, fname, file)) == 0) { /* get the device */ + /* point to device-specific data so that device open can use it */ + f->f_devdata = dev; + if ((result = dev->d_dev->dv_open(f, dev)) == 0) { /* try to open it */ + /* reference the devsw entry from the open_file structure */ + f->f_dev = dev->d_dev; + } else { + free(dev); /* release the device descriptor */ + } + } + return(result); +} + +int +devclose(struct open_file *f) +{ + if (f->f_devdata != NULL) { + free(f->f_devdata); + } + return(0); +} diff --git a/sys/boot/common/interp.c b/sys/boot/common/interp.c new file mode 100644 index 0000000..2bd75f4 --- /dev/null +++ b/sys/boot/common/interp.c @@ -0,0 +1,207 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ +/* + * Simple commandline interpreter. + * + * XXX may be obsoleted by BootFORTH + */ + +#include <stand.h> +#include <string.h> +#include "bootstrap.h" + +#define MAXARGS 20 /* maximum number of arguments allowed */ + +static int parse(char *buf, int *argcp, char **argvp[]); +static void prompt(void); +/* + * Parse the supplied text into argv/argc form. + * XXX should perhaps learn about quotes, etc? + * XXX can also do alias expansion, variable substitution, etc. here + */ +static int +parse(char *buf, int *argcp, char **argvp[]) +{ + static int argc; + static char *argv[MAXARGS], *cp; + + argc = 0; + cp = buf; + while ((*cp != 0) && (argc < MAXARGS)) { + if (isspace(*cp)) { + *(cp++) = 0; + } else { + argv[argc++] = cp++; + while ((*cp != 0) && !isspace(*cp)) + cp++; + } + } + argv[argc] = NULL; + /* command too complex */ + if (argc >= MAXARGS) { + printf("too many arguments\n"); + return(1); + } + *argcp = argc; + *argvp = argv; + return(0); +} + +/* + * Perform the command + */ +static int +perform(int argc, char *argv[]) +{ + int i, result; + struct bootblk_command **cmdp; + bootblk_cmd_t *cmd; + + if (argc < 1) + return(CMD_OK); + + /* set return defaults; a successful command will override these */ + command_errmsg = command_errbuf; + strcpy(command_errbuf, "no error message"); + cmd = NULL; + result = CMD_ERROR; + + cmdp = (struct bootblk_command **)Xcommand_set.ls_items; + for (i = 0; i < Xcommand_set.ls_length; i++) { + if ((cmdp[i]->c_name != NULL) && !strcmp(argv[0], cmdp[i]->c_name)) + cmd = cmdp[i]->c_fn; + } + if (cmd != NULL) { + result = (cmd)(argc, argv); + } else { + command_errmsg = "unknown command"; + } + return(result); +} + +/* + * Interactive mode + */ +void +interact(void) +{ + char input[256]; /* big enough? */ + int argc; + char **argv; + + for (;;) { + input[0] = '\0'; + prompt(); + ngets(input, sizeof(input)); + if (!parse(input, &argc, &argv) && + (perform(argc, argv) != 0)) + printf("%s: %s\n", argv[0], command_errmsg); + } +} + +/* + * Read command from a file + */ +COMMAND_SET(source, "source", "read commands from a file", command_source); + +static int +command_source(int argc, char *argv[]) +{ + int i; + + for (i = 1; i < argc; i++) + source(argv[i]); + return(CMD_OK); +} + +void +source(char *filename) +{ + char input[256]; /* big enough? */ + int argc; + char **argv, *cp; + int fd; + + if (((fd = open(filename, O_RDONLY)) == -1)) { + printf("can't open '%s': %s\n", filename, strerror(errno)); + } else { + while (fgetstr(input, sizeof(input), fd) > 0) { + + /* Discard comments */ + if (input[0] == '#') + continue; + cp = input; + /* Echo? */ + if (input[0] == '@') { + cp++; + } else { + prompt(); + printf("%s\n", input); + } + + if (!parse(cp, &argc, &argv) && + (argc > 0) && + (perform(argc, argv) != 0)) + printf("%s: %s\n", argv[0], command_errmsg); + } + close(fd); + } +} + +/* + * Emit the current prompt; support primitive embedding of + * environment variables. + * We're a little rude here, modifying the return from getenv(). + */ +static void +prompt(void) +{ + char *p, *cp, *ev, c; + + if ((p = getenv("prompt")) == NULL) + p = ">"; + + while (*p != 0) { + if (*p == '$') { + for (cp = p + 1; (*cp != 0) && isalpha(*cp); cp++) + ; + c = *cp; + *cp = 0; + ev = getenv(p + 1); + *cp = c; + + if (ev != NULL) { + printf(ev); + p = cp; + continue; + } + } + putchar(*p++); + } + putchar(' '); +} diff --git a/sys/boot/common/load.c b/sys/boot/common/load.c new file mode 100644 index 0000000..d59fdf3 --- /dev/null +++ b/sys/boot/common/load.c @@ -0,0 +1,101 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stand.h> + +#define LOAD_TINYBUF 2048 + +/* + * Attempt to load the file at (path) into an allocated + * area on the heap, return a pointer to it or NULL + * on failure. + * + * Because in many cases it is impossible to determine the + * true size of a file without reading it, we do just that. + */ +char * +filedup(const char *path, int flags) +{ + char *buf; + int fd; + size_t size, result; + + if ((fd = open(path, F_READ | flags)) == -1) + return(NULL); + + printf("%s open, flags 0x%x\n", path, files[fd].f_flags); + buf = alloc(LOAD_TINYBUF); + + /* Read the first buffer-full */ + size = read(fd, buf, LOAD_TINYBUF); + if (size < 1) { + free(buf, LOAD_TINYBUF); + close(fd); + return(NULL); + } + /* If it all fitted, then just return the buffer straight out */ + if (size < LOAD_TINYBUF) { + close(fd); + buf[size] = 0; + return(buf); + } + + printf("tinybuf loaded, size %d\n", size); + getchar(); + + + /* Read everything until we know how big it is */ + for (;;) { + result = read(fd, buf, LOAD_TINYBUF); + if (size == -1) { + free(buf, LOAD_TINYBUF); + close(fd); + return(NULL); + } + if (result == 0) + break; + size += result; + } + + /* discard the old buffer, close the file */ + free(buf, LOAD_TINYBUF); + close(fd); + + /* reopen the file, realloc the buffer */ + if ((fd = open(path, F_READ | flags)) == -1) + return(NULL); + buf = alloc(size); + result = read(fd, buf, size); + close(fd); + if (result != size) { + free(buf, size); + return(NULL); + } + return(buf); +} + diff --git a/sys/boot/common/ls.c b/sys/boot/common/ls.c new file mode 100644 index 0000000..b777c5a --- /dev/null +++ b/sys/boot/common/ls.c @@ -0,0 +1,160 @@ +/* + * $Id$ + * From: $NetBSD: ls.c,v 1.3 1997/06/13 13:48:47 drochner Exp $ + */ + +/* + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + + +#include <sys/param.h> +#include <ufs/ufs/dinode.h> +#include <ufs/ufs/dir.h> + +#include <stand.h> + +#include "bootstrap.h" + +static char typestr[] = "?fc?d?b? ?l?s?w"; + +COMMAND_SET(ls, "ls", "list files", command_ls); + +static int +command_ls(int argc, char *argv[]) +{ + int fd; + struct stat sb; + size_t size; + char dirbuf[DIRBLKSIZ]; + char pathbuf[128]; /* XXX path length constant? */ + char buf[128]; /* must be long enough for dir entry! */ + char *path; + int result, ch; +#ifdef VERBOSE_LS + int verbose; + + verbose = 0; + optind = 1; + while ((ch = getopt(argc, argv, "l")) != -1) { + switch(ch) { + case 'l': + verbose = 1; + break; + case '?': + default: + /* getopt has already reported an error */ + return(CMD_OK); + } + } + argv += (optind - 1); + argc -= (optind - 1); +#endif + + if (argc < 2) { + path = "/"; + } else { + path = argv[1]; + } + + pager_open(); + pager_output(path); + pager_output("\n"); + + fd = open(path, O_RDONLY); + if (fd < 0) { + sprintf(command_errbuf, "open '%s' failed: %s", path, strerror(errno)); + return(CMD_ERROR); + } + result = CMD_OK; + if (fstat(fd, &sb) < 0) { + sprintf(command_errbuf, "stat failed: %s", strerror(errno)); + result = CMD_ERROR; + goto out; + } + if (!S_ISDIR(sb.st_mode)) { + sprintf(command_errbuf, "%s: %s", path, strerror(ENOTDIR)); + result = CMD_ERROR; + goto out; + } + while ((size = read(fd, dirbuf, DIRBLKSIZ)) == DIRBLKSIZ) { + struct direct *dp, *edp; + + dp = (struct direct *) dirbuf; + edp = (struct direct *) (dirbuf + size); + + while (dp < edp) { + if (dp->d_ino != (ino_t) 0) { + + if ((dp->d_namlen > MAXNAMLEN + 1) || (dp->d_type > sizeof(typestr))) { + /* + * This does not handle "old" + * filesystems properly. On little + * endian machines, we get a bogus + * type name if the namlen matches a + * valid type identifier. We could + * check if we read namlen "0" and + * handle this case specially, if + * there were a pressing need... + */ + command_errmsg = "bad dir entry"; + result = CMD_ERROR; + goto out; + } + + if (strcmp(dp->d_name, ".") && strcmp(dp->d_name, "..")) { +#ifdef VERBOSE_LS /* too much UFS activity blows the heap out */ + if (verbose) { + /* stat the file, if possible */ + sb.st_size = 0; + sprintf(buf, "%s/%s", pathbuf, dp->d_name); + /* ignore return */ + if (stat(buf, &sb)) + sb.st_size = -1; + sprintf(buf, " %c %8d %s\n", typestr[dp->d_type], (int)sb.st_size, dp->d_name); +#endif + } else + sprintf(buf, " %c %s\n", typestr[dp->d_type], dp->d_name); + if (pager_output(buf)) + goto out; + } + } + dp = (struct direct *) ((char *) dp + dp->d_reclen); + } + } + out: + pager_close(); + close(fd); + return(result); +} diff --git a/sys/boot/common/misc.c b/sys/boot/common/misc.c new file mode 100644 index 0000000..98ec3de --- /dev/null +++ b/sys/boot/common/misc.c @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <string.h> +#include <stand.h> + +/* + * Concatenate the (argc) elements of (argv) into a single string, and return + * a copy of same. + */ +char * +unargv(int argc, char *argv[]) +{ + size_t hlong; + int i; + char *cp; + + for (hlong = 0, i = 0, hlong = 0; i < argc; i++) + hlong += strlen(argv[i]) + 1; + + if(hlong == 0) + return(NULL); + + cp = malloc(hlong); + cp[0] = 0; + for (i = 0; i < argc; i++) + strcat(cp, argv[i]); + return(cp); +} + diff --git a/sys/boot/common/module.c b/sys/boot/common/module.c new file mode 100644 index 0000000..7f56e71 --- /dev/null +++ b/sys/boot/common/module.c @@ -0,0 +1,129 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +/* + * module function dispatcher, support, etc. + * + * XXX need a 'searchmodule' function that takes a name and + * traverses a search path. + */ + +#include <stand.h> +#include <string.h> + +#include "bootstrap.h" + +/* Initially determined from kernel load address */ +static vm_offset_t loadaddr = 0; + +struct loaded_module *loaded_modules = NULL; + +COMMAND_SET(load, "load", "load a kernel or module", command_load); + +static int +command_load(int argc, char *argv[]) +{ + return(mod_load(argv[1], argc - 2, argv + 2)); +} + +COMMAND_SET(lsmod, "lsmod", "list loaded modules", command_lsmod); + +static int +command_lsmod(int argc, char *argv[]) +{ + struct loaded_module *am; + char lbuf[80]; + + pager_open(); + for (am = loaded_modules; (am != NULL); am = am->m_next) { + sprintf(lbuf, " %p: %s (%s, 0x%x)\n", + am->m_addr, am->m_name, am->m_type, am->m_size); + pager_output(lbuf); + if (am->m_args != NULL) { + pager_output(" args: "); + pager_output(am->m_args); + pager_output("\n"); + } + } + pager_close(); + return(CMD_OK); +} + +int +mod_load(char *name, int argc, char *argv[]) +{ + struct loaded_module *am, *cm; + int i, err; + + for (i = 0, am = NULL; (module_formats[i] != NULL) && (am == NULL); i++) { + /* XXX call searchmodule() to search for module (name) */ + if ((err = (module_formats[i]->l_load)(name, loadaddr, &am)) != 0) { + + /* Unknown to this handler? */ + if (err == EFTYPE) + continue; + + /* Fatal error */ + sprintf(command_errbuf, "can't load module '%s': %s", name, strerror(err)); + return(CMD_ERROR); + } + } + if (am == NULL) { + sprintf(command_errbuf, "can't work out what to do with '%s'", name); + return(CMD_ERROR); + } + /* where can we put the next one? */ + loadaddr = am->m_addr + am->m_size; + + /* Load was OK, set args */ + am->m_args = unargv(argc, argv); + + /* Append to list of loaded modules */ + am->m_next = NULL; + if (loaded_modules == NULL) { + loaded_modules = am; + } else { + for (cm = loaded_modules; cm->m_next != NULL; cm = cm->m_next) + ; + cm->m_next = am; + } + return(CMD_OK); +} + +struct loaded_module * +mod_findmodule(char *name, char *type) +{ + struct loaded_module *mp; + + for (mp = loaded_modules; mp != NULL; mp = mp->m_next) { + if (((name == NULL) || !strcmp(name, mp->m_name)) && + ((type == NULL) || !strcmp(type, mp->m_type))) + break; + } + return(mp); +} diff --git a/sys/boot/common/panic.c b/sys/boot/common/panic.c new file mode 100644 index 0000000..2db5513 --- /dev/null +++ b/sys/boot/common/panic.c @@ -0,0 +1,56 @@ +/* + * $Id$ + * From: $NetBSD: panic.c,v 1.2 1997/03/22 01:48:36 thorpej Exp $ + */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + + +#include <stand.h> +#include <machine/stdarg.h> + +__dead void +panic(const char *fmt,...) +{ + va_list ap; + + printf("panic: "); + va_start(ap, fmt); + printf(fmt, ap); + printf("\n"); + va_end(ap); + printf("Press a key to reboot\n"); + getchar(); + + exit(1); +} diff --git a/sys/boot/i386/Makefile b/sys/boot/i386/Makefile new file mode 100644 index 0000000..72d5627 --- /dev/null +++ b/sys/boot/i386/Makefile @@ -0,0 +1,3 @@ +SUBDIR= installboot libi386 loader + +.include <bsd.subdir.mk> diff --git a/sys/boot/i386/installboot/Makefile b/sys/boot/i386/installboot/Makefile new file mode 100644 index 0000000..b989f07 --- /dev/null +++ b/sys/boot/i386/installboot/Makefile @@ -0,0 +1,16 @@ +# $NetBSD: Makefile,v 1.5 1998/03/02 19:57:01 cgd Exp $ + +.include <bsd.own.mk> + +BINDIR= /usr/mdec +PROG= installboot + +SRCS= installboot.c bootblks.c getmount.c + +NOMAN= yes + +CPPFLAGS= -I${.CURDIR}/../libi386/crt/bootsect +CFLAGS+= -Wall ${CPPFLAGS} +LDSTATIC?=-static + +.include <bsd.prog.mk> diff --git a/sys/boot/i386/installboot/bootblks.c b/sys/boot/i386/installboot/bootblks.c new file mode 100644 index 0000000..cb17b92 --- /dev/null +++ b/sys/boot/i386/installboot/bootblks.c @@ -0,0 +1,146 @@ +/* $NetBSD: bootblks.c,v 1.2 1997/07/21 18:04:35 drochner Exp $ */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <sys/param.h> +#include <sys/stat.h> +#include <stdio.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> +#include <err.h> + +#include "installboot.h" + +static char bootblkpath[MAXPATHLEN]; +static char backuppath[MAXPATHLEN]; +static char backupext[] = ".bak"; +static int havebackup; + +ino_t +createfileondev(diskdev, bootblkname, bp, size) + char *diskdev, *bootblkname; + char *bp; + int size; +{ + char *mntpoint; + int fd = -1; + struct stat statbuf; + int allok = 0; + + if ((mntpoint = getmountpoint(diskdev)) == NULL) + return ((ino_t) - 1); + + /* + * create file in fs root for bootloader data + * try to rename existing file before + */ + havebackup = 0; + sprintf(bootblkpath, "%s/%s", mntpoint, bootblkname); + sprintf(backuppath, "%s%s", bootblkpath, backupext); + if(rename(bootblkpath, backuppath) == -1) { + if(errno != ENOENT) { + warn("rename old %s", bootblkpath); + goto out; + } + } else { + if(verbose) + fprintf(stderr, "renamed %s -> %s\n", + bootblkpath, backuppath); + havebackup = 1; + } + fd = open(bootblkpath, O_RDWR | O_CREAT | O_EXCL, 0444); + if (fd < 0) { + warn("open %s", bootblkpath); + goto out; + } + /* + * do the write, flush, get inode number + */ + if (write(fd, bp, size) < 0) { + warn("write %s", bootblkpath); + goto out; + } + if (fsync(fd) != 0) { + warn("fsync: %s", bootblkpath); + goto out; + } + if (fstat(fd, &statbuf) != 0) { + warn("fstat: %s", bootblkpath); + goto out; + } + allok = 1; + +out: + if (fd != -1) { + close(fd); + if (!allok) + unlink(bootblkpath); + } + if(!allok && havebackup) + rename(backuppath, bootblkpath); + cleanupmount(mntpoint); + return (allok ? statbuf.st_ino : (ino_t) - 1); +} + +void +cleanupfileondev(diskdev, bootblkname, recover) + char *diskdev, *bootblkname; +{ + char *mntpoint; + + /* save some work if nothing to do */ + if(!(recover || havebackup)) + return; + + if ((mntpoint = getmountpoint(diskdev)) == NULL) + return; + + sprintf(bootblkpath, "%s/%s", mntpoint, bootblkname); + sprintf(backuppath, "%s%s", bootblkpath, backupext); + + if(recover) { + unlink(bootblkpath); + if(havebackup) { + fprintf(stderr, "renaming %s -> %s\n", + backuppath, bootblkpath); + rename(backuppath, bootblkpath); + } + } else if(havebackup) { + if(verbose) + fprintf(stderr, "deleting %s\n", backuppath); + unlink(backuppath); + } + + cleanupmount(mntpoint); +} diff --git a/sys/boot/i386/installboot/getmount.c b/sys/boot/i386/installboot/getmount.c new file mode 100644 index 0000000..6aa8427 --- /dev/null +++ b/sys/boot/i386/installboot/getmount.c @@ -0,0 +1,156 @@ +/* $NetBSD: getmount.c,v 1.3 1998/03/01 13:22:55 fvdl Exp $ */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <sys/param.h> +#include <sys/mount.h> +#include <ufs/ufs/ufsmount.h> +#include <sys/stat.h> +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <err.h> + +#include "installboot.h" + +static int tempmounted = 0; + +/* make block device name from character device name */ +static char * +getbdev(dev) + char *dev; +{ + static char bdiskdev[MAXPATHLEN]; + + if (strncmp(dev, "/dev/r", 6)) { + warnx("bad device name %s", dev); + return (0); + } + sprintf(bdiskdev, "/dev/%s", dev + 6); + return (bdiskdev); +} + +/* + * create mountpoint and mount given block device there, return + * mountpoint + */ +static char * +dotempmount(bdiskdev) + char *bdiskdev; +{ + static char dir[] = "/tmp/installbootXXXXXX"; + struct ufs_args data; + + if (mktemp(dir) == NULL) { + warnx("mktemp failed"); + return (0); + } + if (mkdir(dir, 0700)) { + warn("could not create temporary dir %s", dir); + return (0); + } + bzero(&data, sizeof(data)); + data.fspec = bdiskdev; + + /* this code if FFS only */ + if (mount("ufs", dir, 0, &data) == -1) { + warn("mount %s->%s failed", bdiskdev, dir); + rmdir(dir); + return (0); + } + if (verbose) + fprintf(stderr, "mounted %s at %s\n", bdiskdev, dir); + tempmounted = 1; + return (dir); +} + +/* + * Find out if given character device is already mounted. If not, mount it + * temporarily. + */ +char * +getmountpoint(diskdev) + char *diskdev; +{ + char *bdiskdev; + struct statfs *buf; + int num, i; + + bdiskdev = getbdev(diskdev); + if (bdiskdev == NULL) + return (0); + + num = getmntinfo(&buf, MNT_WAIT); + if (num == 0) { + warn("getmntinfo"); + return (0); + } + for (i = 0; i < num; i++) + if (strncmp(bdiskdev, buf[i].f_mntfromname, MNAMELEN) == 0) { + int j; + + /* Device is mounted. If there are more devices mounted + at the same point, the fs could be hidden. Don't think + too much about layering order - simply refuse. */ + for (j = 0; j < num; j++) + if ((i != j) && (strncmp(buf[i].f_mntonname, + buf[j].f_mntonname, + MNAMELEN) == 0)) { + warnx("there is more than 1 mount at %s", + buf[i].f_mntonname); + return (0); + } + /* this code is FFS only */ + if (strncmp(buf[i].f_fstypename, "ufs", MFSNAMELEN)) { + warnx("%s: must be a FFS filesystem", bdiskdev); + return (0); + } + return (buf[i].f_mntonname); + } + if (verbose) + fprintf(stderr, "%s is not mounted\n", bdiskdev); + return (dotempmount(bdiskdev)); +} + +void +cleanupmount(dir) + char *dir; +{ + if (tempmounted) { + if (verbose) + fprintf(stderr, "unmounting\n"); + unmount(dir, 0); + rmdir(dir); + tempmounted = 0; + } +} diff --git a/sys/boot/i386/installboot/installboot.8 b/sys/boot/i386/installboot/installboot.8 new file mode 100644 index 0000000..776f594 --- /dev/null +++ b/sys/boot/i386/installboot/installboot.8 @@ -0,0 +1,150 @@ +.\" $NetBSD: installboot.8,v 1.1.1.1 1997/03/14 02:40:32 perry Exp $ +.\" +.\" Copyright (c) 1997 Perry E. Metzger. All rights reserved. +.\" Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved. +.\" Copyright (c) 1995 Paul Kranenburg. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by Paul Kranenburg. +.\" 3. The name of the author may not be used to endorse or promote products +.\" derived from this software without specific prior written permission +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd March 14, 1997 +.Dt INSTALLBOOT 8 i386 +.Os +.Sh NAME +.Nm installboot +.Nd install disk bootstrap software +.Sh SYNOPSIS +.Nm installboot +.Op Fl nvf +.Ar bootfile +.Ar rawdiskdevice +.Sh DESCRIPTION +The +.Nm installboot +utility prepares a disk for bootstrapping. +.Pp +The +.Nx /i386 +disk bootstrap software is split into two parts: +a small first-stage boot program that is written into the disklabel +area of a disk and a second-stage boot program that resides in a FFS file +system on the disk (named +.Pa /boot ) . +Both parts of the boot are derived from a single object file +which is split by +.Nm +during the installation process. +The first-stage boot program is loaded into memory by the BIOS. +After receiving control of the system, it loads the +second-stage boot program from a set of filesystem block numbers that +have been hard-coded into it by +.Nm +during execution. +The second-stage boot program then locates and loads the kernel. +.Pp +Note: so that the +.Pa /boot +file can be installed on the bootable partition, the partition must be +mounted before +.Nm +is run. +.Pp +The options recognized by +.Nm installboot +are as follows: +.Bl -tag -width flag +.It Fl n +Do not actually write anything on the disk. +.It Fl v +Verbose mode. +.It Fl f +Force a write of the boot blocks (with the first stage put at offset +zero) even if no disk label is detected. +This is useful if there is no disk label (as is often the case with +floppy or vnode devices). +.El +.Pp +The arguments are: +.Bl -tag -width rawdiskdevice +.It Ar bootfile +The name of the special object file +(typically +.Pa /usr/mdec/biosboot.sym ) +where the first and second stage boot programs to be installed reside. +.It Ar rawdiskdevice +The name of the device corresponding to the raw whole-disk partition (the +.Dq raw partition ) +of the disk on which the first-stage boot program is to be installed. +.El +.Sh EXAMPLES +Assuming the file containing the boot program is in its typical place, +and you wished to make +.Pa /dev/fd0a +bootable. One might first mount +.Pa /dev/fd0a +on +.Pa /mnt , +and in the case that there is already a file named +.Pa boot +in that directory, remove it. +To install the boot blocks, one then would issue the command: +.Bd -literal -offset indent +installboot -f /usr/mdec/biosboot.sym /dev/rfd0a +.Ed +Note that the -f option is needed if the floppy is unlabeled -- see +.Xr disklabel 8 . +.Sh BUGS +The NetBSD/i386 boot blocks can only read from the first 1024 +cylinders of the disk because they use the BIOS to do their I/O. Thus, +it is advisable that +.Dq a +partitions reside entirely within the first 1024 cylinders. +.Pp +.Nm +requires simultaneous access to the mounted file system and +the disks' raw partition. +That is not allowed with the kernel +.Dv securelevel +variable +.Po +see +.Xr sysctl 8 +.Pc +set to a value greater than one, or with +.Dv securelevel +set to one if the +.Dq boot +program resides in a file system on the disk's raw partition. +.Sh "SEE ALSO" +.Xr boot 8 , +.Xr disklabel 8 , +.Xr init 8 , +.Xr sysctl 8 , +.Xr vnd 4 +.Sh HISTORY +The NetBSD/i386 +.Nm +command first appeared in +.Nx 1.3 . diff --git a/sys/boot/i386/installboot/installboot.c b/sys/boot/i386/installboot/installboot.c new file mode 100644 index 0000000..a5bfd3b --- /dev/null +++ b/sys/boot/i386/installboot/installboot.c @@ -0,0 +1,433 @@ +/* $NetBSD: installboot.c,v 1.5 1997/11/01 06:49:50 lukem Exp $ */ + +/* + * Copyright (c) 1994 Paul Kranenburg + * All rights reserved. + * Copyright (c) 1996, 1997 + * Matthias Drochner. All rights reserved. + * Copyright (c) 1996, 1997 + * Perry E. Metzger. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Paul Kranenburg. + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * This product includes software developed for the NetBSD Project + * by Perry E. Metzger. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/disklabel.h> +/* #include <sys/dkio.h> */ +#include <ufs/ufs/dinode.h> +#include <ufs/ufs/dir.h> +#include <ufs/ffs/fs.h> +#include <sys/errno.h> +#include <err.h> +#include <a.out.h> +#include <fcntl.h> +#include <nlist.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <sys/ioctl.h> + +#include "installboot.h" + +#include "bbinfo.h" + +#define DEFBBLKNAME "boot" + +struct fraglist *fraglist; + +struct nlist nl[] = { +#define X_fraglist 0 + {{"_fraglist"}}, + {{NULL}} +}; + +int verbose = 0; + +char * +loadprotoblocks(fname, size) + char *fname; + long *size; +{ + int fd; + size_t tdsize; /* text+data size */ + size_t bbsize; /* boot block size (block aligned) */ + char *bp; + struct nlist *nlp; + struct exec eh; + + fd = -1; + bp = NULL; + + /* Locate block number array in proto file */ + if (nlist(fname, nl) != 0) { + warnx("nlist: %s: symbols not found", fname); + return NULL; + } + /* Validate symbol types (global text!). */ + for (nlp = nl; nlp->n_un.n_name; nlp++) { + if (nlp->n_type != (N_TEXT | N_EXT)) { + warnx("nlist: %s: wrong type", nlp->n_un.n_name); + return NULL; + } + } + + if ((fd = open(fname, O_RDONLY)) < 0) { + warn("open: %s", fname); + return NULL; + } + if (read(fd, &eh, sizeof(eh)) != sizeof(eh)) { + warn("read: %s", fname); + goto bad; + } + if (N_GETMAGIC(eh) != OMAGIC) { + warn("bad magic: 0x%lx", eh.a_midmag); + goto bad; + } + /* + * We need only text and data. + */ + tdsize = eh.a_text + eh.a_data; + bbsize = roundup(tdsize, DEV_BSIZE); + + if ((bp = calloc(bbsize, 1)) == NULL) { + warnx("malloc: %s: no memory", fname); + goto bad; + } + /* read the rest of the file. */ + if (read(fd, bp, tdsize) != tdsize) { + warn("read: %s", fname); + goto bad; + } + *size = bbsize; /* aligned to DEV_BSIZE */ + + fraglist = (struct fraglist *) (bp + nl[X_fraglist].n_value); + + if (fraglist->magic != FRAGLISTMAGIC) { + warnx("invalid bootblock version"); + goto bad; + } + if (verbose) { + fprintf(stderr, "%s: entry point %#lx\n", fname, eh.a_entry); + fprintf(stderr, "proto bootblock size %ld\n", *size); + fprintf(stderr, "room for %d filesystem blocks at %#lx\n", + fraglist->maxentries, nl[X_fraglist].n_value); + } + close(fd); + return bp; + +bad: + if (bp) + free(bp); + if (fd >= 0) + close(fd); + return NULL; +} + +static int +devread(fd, buf, blk, size, msg) + int fd; + void *buf; + daddr_t blk; + size_t size; + char *msg; +{ + if (lseek(fd, dbtob(blk), SEEK_SET) != dbtob(blk)) { + warn("%s: devread: lseek", msg); + return (1); + } + if (read(fd, buf, size) != size) { + warn("%s: devread: read", msg); + return (1); + } + return (0); +} + +/* add file system blocks to fraglist */ +static int +add_fsblk(fs, blk, blcnt) + struct fs *fs; + daddr_t blk; + int blcnt; +{ + int nblk; + + /* convert to disk blocks */ + blk = fsbtodb(fs, blk); + nblk = fs->fs_bsize / DEV_BSIZE; + if (nblk > blcnt) + nblk = blcnt; + + if (verbose) + fprintf(stderr, "dblk: %d, num: %d\n", blk, nblk); + + /* start new entry or append to previous? */ + if (!fraglist->numentries || + (fraglist->entries[fraglist->numentries - 1].offset + + fraglist->entries[fraglist->numentries - 1].num != blk)) { + + /* need new entry */ + if (fraglist->numentries > fraglist->maxentries - 1) { + errx(1, "not enough fragment space in bootcode\n"); + return(-1); + } + + fraglist->entries[fraglist->numentries].offset = blk; + fraglist->entries[fraglist->numentries++].num = 0; + } + fraglist->entries[fraglist->numentries - 1].num += nblk; + + return (blcnt - nblk); +} + +static char sblock[SBSIZE]; + +int +loadblocknums(diskdev, inode) + char *diskdev; + ino_t inode; +{ + int devfd = -1; + struct fs *fs; + char *buf = 0; + daddr_t blk, *ap; + struct dinode *ip; + int i, ndb; + int allok = 0; + + devfd = open(diskdev, O_RDONLY, 0); + if (devfd < 0) { + warn("open raw partition"); + return (1); + } + /* Read superblock */ + if (devread(devfd, sblock, SBLOCK, SBSIZE, "superblock")) + goto out; + fs = (struct fs *) sblock; + + if (fs->fs_magic != FS_MAGIC) { + warnx("invalid super block"); + goto out; + } + /* Read inode */ + if ((buf = malloc(fs->fs_bsize)) == NULL) { + warnx("No memory for filesystem block"); + goto out; + } + blk = fsbtodb(fs, ino_to_fsba(fs, inode)); + if (devread(devfd, buf, blk, fs->fs_bsize, "inode")) + goto out; + ip = (struct dinode *) (buf) + ino_to_fsbo(fs, inode); + + /* + * Have the inode. Figure out how many blocks we need. + */ + ndb = ip->di_size / DEV_BSIZE; /* size is rounded! */ + + if (verbose) + fprintf(stderr, "Will load %d blocks.\n", ndb); + + /* + * Get the block numbers, first direct blocks + */ + ap = ip->di_db; + for (i = 0; i < NDADDR && *ap && ndb > 0; i++, ap++) + ndb = add_fsblk(fs, *ap, ndb); + + if (ndb > 0) { + /* + * Just one level of indirections; there isn't much room + * for more in the 1st-level bootblocks anyway. + */ + blk = fsbtodb(fs, ip->di_ib[0]); + if (devread(devfd, buf, blk, fs->fs_bsize, "indirect block")) + goto out; + ap = (daddr_t *) buf; + for (; i < NINDIR(fs) && *ap && ndb > 0; i++, ap++) { + ndb = add_fsblk(fs, *ap, ndb); + } + } + + if (!ndb) + allok = 1; + else { + if (ndb > 0) + warnx("too many fs blocks"); + /* else, ie ndb < 0, add_fsblk returned error */ + goto out; + } + +out: + if (buf) + free(buf); + if (devfd >= 0) + close(devfd); + return (!allok); +} + +static void +usage() +{ + fprintf(stderr, + "usage: installboot [-n] [-v] [-f] <boot> <device>\n"); + exit(1); +} + +int +main(argc, argv) + int argc; + char *argv[]; +{ + char c, *bp = 0; + long size; + ino_t inode = (ino_t) -1; + int devfd = -1; + struct disklabel dl; + int bsdoffs; + int i, res; + int forceifnolabel = 0; + char *bootblkname = DEFBBLKNAME; + int nowrite = 0; + int allok = 0; + + while ((c = getopt(argc, argv, "vnf")) != -1) { + switch (c) { + case 'n': + /* Do not actually write the bootblock to disk */ + nowrite = 1; + break; + case 'v': + /* Chat */ + verbose = 1; + break; + case 'f': + /* assume zero offset if no disklabel */ + forceifnolabel = 1; + break; + default: + usage(); + } + } + + if (argc - optind != 2) { + usage(); + } + + bp = loadprotoblocks(argv[optind], &size); + if (!bp) + errx(1, "error reading bootblocks"); + + fraglist->numentries = 0; + + /* do we need the fraglist? */ + if (size > fraglist->loadsz * DEV_BSIZE) { + + inode = createfileondev(argv[optind + 1], bootblkname, + bp + fraglist->loadsz * DEV_BSIZE, + size - fraglist->loadsz * DEV_BSIZE); + if (inode == (ino_t) - 1) + goto out; + + /* paranoia */ + sync(); + sleep(3); + + if (loadblocknums(argv[optind + 1], inode)) + goto out; + + size = fraglist->loadsz * DEV_BSIZE; + /* size to be written to bootsect */ + } + + devfd = open(argv[optind + 1], O_RDWR, 0); + if (devfd < 0) { + warn("open raw partition RW"); + goto out; + } + if (ioctl(devfd, DIOCGDINFO, &dl) < 0) { + if ((errno == EINVAL) || (errno == ENOTTY)) { + if (forceifnolabel) + bsdoffs = 0; + else { + warnx("no disklabel, use -f to install anyway"); + goto out; + } + } else { + warn("get disklabel"); + goto out; + } + } else { + char c = argv[optind + 1][strlen(argv[optind + 1]) - 1]; +#define isvalidpart(c) ((c) >= 'a' && (c) <= 'z') + if(!isvalidpart(c) || (c - 'a') >= dl.d_npartitions) { + warnx("invalid partition"); + goto out; + } + bsdoffs = dl.d_partitions[c - 'a'].p_offset; + } + if (verbose) + fprintf(stderr, "BSD partition starts at sector %d\n", bsdoffs); + + /* + * add offset of BSD partition to fraglist entries + */ + for (i = 0; i < fraglist->numentries; i++) + fraglist->entries[i].offset += bsdoffs; + + if (!nowrite) { + /* + * write first blocks (max loadsz) to start of BSD partition, + * skip disklabel (in second disk block) + */ + lseek(devfd, 0, SEEK_SET); + res = write(devfd, bp, DEV_BSIZE); + if (res < 0) { + warn("final write1"); + goto out; + } + lseek(devfd, 2 * DEV_BSIZE, SEEK_SET); + res = write(devfd, bp + 2 * DEV_BSIZE, size - 2 * DEV_BSIZE); + if (res < 0) { + warn("final write2"); + goto out; + } + } + allok = 1; + +out: + if (devfd >= 0) + close(devfd); + if (bp) + free(bp); + if (inode != (ino_t) - 1) { + cleanupfileondev(argv[optind + 1], bootblkname, !allok || nowrite); + } + return (!allok); +} diff --git a/sys/boot/i386/installboot/installboot.h b/sys/boot/i386/installboot/installboot.h new file mode 100644 index 0000000..83d2275 --- /dev/null +++ b/sys/boot/i386/installboot/installboot.h @@ -0,0 +1,9 @@ +/* $NetBSD: installboot.h,v 1.3 1998/01/05 07:02:57 perry Exp $ */ + +ino_t createfileondev __P((char *, char *, char *, int)); +void cleanupfileondev __P((char *, char *, int)); + +char *getmountpoint __P((char *)); +void cleanupmount __P((char *)); + +extern int verbose; diff --git a/sys/boot/i386/libi386/Makefile b/sys/boot/i386/libi386/Makefile new file mode 100644 index 0000000..5a0f88f --- /dev/null +++ b/sys/boot/i386/libi386/Makefile @@ -0,0 +1,21 @@ +# $Id$ +# +SUBDIR= crt +LIB= i386 +NOPIC= +NOPROFILE= + +SRCS= aout_freebsd.c biosdelay.S biosdisk.c biosdisk_support.S biosgetrtc.S \ + biosmem.S biosreboot.S bootinfo.c comconsole.c comconsole_support.S \ + devicename.c gatea20.c getsecs.c i386_module.c pread.c startprog.S \ + vidconsole.c vidconsole_support.S + +CFLAGS+= -I${.CURDIR}/../../common + +# Make the disk code more talkative +#CFLAGS+= -DDISK_DEBUG + +# Minimise the pread() buffer at the price of slower loads +#CPPFLAGS+= -DSAVE_MEMORY + +.include <bsd.lib.mk> diff --git a/sys/boot/i386/libi386/aout_freebsd.c b/sys/boot/i386/libi386/aout_freebsd.c new file mode 100644 index 0000000..847073a --- /dev/null +++ b/sys/boot/i386/libi386/aout_freebsd.c @@ -0,0 +1,274 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <sys/param.h> +#include <sys/exec.h> +#include <sys/imgact_aout.h> +#include <sys/reboot.h> +#include <string.h> +#include <machine/bootinfo.h> +#include <stand.h> + +#include "bootstrap.h" +#include "libi386.h" + +struct aout_kernel_module +{ + struct loaded_module m; + vm_offset_t m_entry; /* module entrypoint */ + struct bootinfo m_bi; /* legacy bootinfo */ +}; + +static int aout_loadmodule(char *filename, vm_offset_t dest, struct loaded_module **result); +static int aout_exec(struct loaded_module *amp); + +struct module_format i386_aout = { MF_AOUT, aout_loadmodule, aout_exec }; + +static int aout_loadimage(int fd, vm_offset_t loadaddr, struct exec *ehdr); + +/* + * Attempt to load the file (file) as an a.out module. It will be stored at + * (dest), and a pointer to a module structure describing the loaded object + * will be saved in (result). + */ +static int +aout_loadmodule(char *filename, vm_offset_t dest, struct loaded_module **result) +{ + struct aout_kernel_module *mp; + struct exec ehdr; + int fd; + vm_offset_t addr; + int err; + u_int pad; + + /* + * Open the image, read and validate the a.out header + * + * XXX what do kld modules look like? We only handle kernels here. + */ + if (filename == NULL) /* can't handle nameless */ + return(EFTYPE); + if ((fd = open(filename, O_RDONLY)) == -1) + return(errno); + if (read(fd, &ehdr, sizeof(ehdr)) != sizeof(ehdr)) + return(EFTYPE); /* could be EIO, but may be small file */ + if (N_BADMAG(ehdr)) + return(EFTYPE); + + /* + * Ok, we think this is for us. + */ + mp = malloc(sizeof(struct aout_kernel_module)); + mp->m.m_name = strdup(filename); /* XXX should we prune the name? */ + mp->m.m_type = "a.out kernel"; /* XXX only if that's what we really are */ + mp->m.m_args = NULL; /* XXX should we put the bootstrap args here and parse later? */ + mp->m.m_flags = MF_AOUT; /* we're an a.out kernel */ + mp->m_entry = (vm_offset_t)(ehdr.a_entry & 0xffffff); + if (dest == 0) + dest = (vm_offset_t)(ehdr.a_entry & 0x100000); + if (mod_findmodule(NULL, mp->m.m_type) != NULL) { + printf("aout_loadmodule: kernel already loaded\n"); + err = EPERM; + goto out; + } + printf("%s at 0x%x\n", filename, dest); + mp->m.m_addr = addr = dest; + + mp->m.m_size = aout_loadimage(fd, addr, &ehdr); + printf("\n"); + if (mp->m.m_size == 0) + goto ioerr; + + /* XXX and if these parts don't exist? */ + mp->m_bi.bi_symtab = mp->m.m_addr + ehdr.a_text + ehdr.a_data + ehdr.a_bss; + mp->m_bi.bi_esymtab = mp->m_bi.bi_symtab + sizeof(ehdr.a_syms) + ehdr.a_syms; + + /* Load OK, return module pointer */ + *result = (struct loaded_module *)mp; + return(0); + + ioerr: + err = EIO; + out: + close(fd); + free(mp); + return(err); +} + +/* + * With the file (fd) open on the image, and (ehdr) containing + * the exec header, load the image at (addr) + * + * Fixup the a_bss field in (ehdr) to reflect the padding added to + * align the symbol table. + */ +static int +aout_loadimage(int fd, vm_offset_t loadaddr, struct exec *ehdr) +{ + u_int pad; + vm_offset_t addr; + int ss; + + addr = loadaddr; + lseek(fd, N_TXTOFF(*ehdr), SEEK_SET); + + /* text segment */ + printf("text=0x%x ", ehdr->a_text); + if (pread(fd, addr, ehdr->a_text) != ehdr->a_text) + return(0); + addr += ehdr->a_text; + + /* data segment */ + printf("data=0x%x ", ehdr->a_data); + if (pread(fd, addr, ehdr->a_data) != ehdr->a_data) + return(0); + addr += ehdr->a_data; + + /* skip the BSS */ + printf("bss=0x%x ", ehdr->a_bss); + addr += ehdr->a_bss; + + /* pad to a page boundary */ + pad = (u_int)addr & PAGE_MASK; + if (pad != 0) { + pad = PAGE_SIZE - pad; + addr += pad; + ehdr->a_bss += pad; + } + /* XXX bi_symtab = addr */ + + /* symbol table size */ + vpbcopy(&ehdr->a_syms, addr, sizeof(ehdr->a_syms)); + addr += sizeof(ehdr->a_syms); + + /* symbol table */ + printf("symbols=[0x%x+0x%x+0x%x", pad, sizeof(ehdr->a_syms), ehdr->a_syms); + if (pread(fd, addr, ehdr->a_syms) != ehdr->a_syms) + return(0); + addr += ehdr->a_syms; + + /* string table */ + read(fd, &ss, sizeof(ss)); + vpbcopy(&ss, addr, sizeof(ss)); + addr += sizeof(ss); + ss -= sizeof(ss); + printf("+0x%x+0x%x]", sizeof(ss), ss); + if (pread(fd, addr, ss) != ss) + return(0); + /* XXX bi_esymtab = addr */ + addr += ss; + return(addr - loadaddr); +} + + +/* + * There is an a.out kernel and one or more a.out modules loaded. + * We wish to start executing the kernel image, so make such + * preparations as are required, and do so. + */ +static int +aout_exec(struct loaded_module *amp) +{ + struct aout_kernel_module *mp = (struct aout_kernel_module *)amp; + struct loaded_module *xp; + struct i386_devdesc *currdev; + u_int32_t argv[6]; /* kernel arguments */ + int major, bootdevnr; + vm_offset_t addr; + u_int pad; + + if ((amp->m_flags & MF_FORMATMASK) != MF_AOUT) + return(EFTYPE); + + /* Boot from whatever the current device is */ + i386_getdev((void **)(&currdev), NULL, NULL); + switch(currdev->d_type) { + case DEVT_DISK: + major = 0; /* XXX in the short term, have to work out a major number here for old kernels */ + bootdevnr = MAKEBOOTDEV(major, + currdev->d_kind.biosdisk.slice >> 4, + currdev->d_kind.biosdisk.slice & 0xf, + currdev->d_kind.biosdisk.unit, + currdev->d_kind.biosdisk.partition); + break; + default: + printf("aout_loadmodule: WARNING - don't know how to boot from device type %d\n", currdev->d_type); + } + free(currdev); + + /* Device data is kept in the kernel argv array */ + argv[1] = bootdevnr; + + argv[0] = bi_getboothowto(amp->m_args); +/* argv[2] = vtophys(bootinfo); /* old cyl offset (do we care about this?) */ + argv[3] = 0; + argv[4] = 0; + argv[5] = (u_int32_t)vtophys(&(mp->m_bi)); + + /* legacy bootinfo structure */ + mp->m_bi.bi_version = BOOTINFO_VERSION; + mp->m_bi.bi_memsizes_valid = 1; + /* XXX bi_vesa */ + mp->m_bi.bi_basemem = getbasemem(); + mp->m_bi.bi_extmem = getextmem(); + + /* find the last module in the chain */ + for (xp = amp; xp->m_next != NULL; xp = xp->m_next) + ; + addr = xp->m_addr + xp->m_size; + /* pad to a page boundary */ + pad = (u_int)addr & PAGE_MASK; + if (pad != 0) { + pad = PAGE_SIZE - pad; + addr += pad; + } + /* copy our environment XXX save addr here as env pointer */ + addr = bi_copyenv(addr); + + /* pad to a page boundary */ + pad = (u_int)addr & PAGE_MASK; + if (pad != 0) { + pad = PAGE_SIZE - pad; + addr += pad; + } + /* copy module list and metadata */ + bi_copymodules(addr); + +#ifdef DEBUG + { + int i; + for (i = 0; i < 6; i++) + printf("argv[%d]=%lx\n", i, argv[i]); + } + + printf("Start @ 0x%lx ...\n", mp->m_entry); +#endif + + startprog(mp->m_entry, 6, argv, (vm_offset_t)0x90000); + panic("exec returned"); +} diff --git a/sys/boot/i386/libi386/biosdelay.S b/sys/boot/i386/libi386/biosdelay.S new file mode 100644 index 0000000..c04a57b --- /dev/null +++ b/sys/boot/i386/libi386/biosdelay.S @@ -0,0 +1,79 @@ +/* $NetBSD: biosdelay.S,v 1.1.1.1 1997/03/14 02:40:32 perry Exp $ */ + +/* + * Copyright (c) 1996, 1997 + * Perry E. Metzger. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgements: + * This product includes software developed for the NetBSD Project + * by Perry E. Metzger. + * 4. The names of the authors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <machine/asm.h> + +#define data32 .byte 0x66 + + .text + +/* +# BIOS call "INT 15H Function 86H" to sleep for a set number of microseconds +# Call with %ah = 0x86 +# %cx = time interval (high) +# %dx = time interval (low) +# Return: +# If error +# CF = set +# else +# CF = clear +*/ +ENTRY(delay) + pushl %ebp + pushl %ebx + pushl %esi + pushl %edi + + movw 20(%esp), %dx + movw 22(%esp), %cx + + call CNAME(prot_to_real) + + movb $0x86, %ah + int $0x15 + setnc %ah + + movb %ah, %bl # real_to_prot uses %eax + + data32 + call CNAME(real_to_prot) + + xorl %eax, %eax + movb %bl, %al + + popl %edi + popl %esi + popl %ebx + popl %ebp + ret diff --git a/sys/boot/i386/libi386/biosdisk.c b/sys/boot/i386/libi386/biosdisk.c new file mode 100644 index 0000000..a6bcbbe --- /dev/null +++ b/sys/boot/i386/libi386/biosdisk.c @@ -0,0 +1,408 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +/* + * BIOS disk device handling. + * + * Ideas and algorithms from: + * + * - NetBSD libi386/biosdisk.c + * - FreeBSD biosboot/disk.c + * + * XXX Todo: add bad144 support. + */ + +#include <stand.h> + +#include <sys/disklabel.h> +#include <sys/diskslice.h> + +#include "bootstrap.h" +#include "libi386.h" +#include "crt/biosdisk_ll.h" + +#define BUFSIZE (1 * BIOSDISK_SECSIZE) +#define MAXBDDEV MAXDEV + +#ifdef DISK_DEBUG +# define D(x) x +#else +# define D(x) +#endif + +/* biosdisk_support.S */ +extern u_long bd_int13fn8(int unit); + +static int bd_edd3probe(int unit); +static int bd_edd1probe(int unit); +static int bd_int13probe(int unit); + +static int bd_init(void); +static int bd_strategy(void *devdata, int flag, daddr_t dblk, size_t size, void *buf, size_t *rsize); +static int bd_open(struct open_file *f, void *vdev); +static int bd_close(struct open_file *f); + +struct open_disk { + struct biosdisk_ll od_ll; /* contains bios unit, geometry (XXX absorb) */ + int od_unit; /* our unit number */ + int od_boff; /* block offset from beginning of BIOS disk */ + int od_flags; +#define BD_MODEMASK 0x3 +#define BD_MODEINT13 0x0 +#define BD_MODEEDD1 0x1 +#define BD_MODEEDD3 0x2 +#define BD_FLOPPY (1<<2) + u_char od_buf[BUFSIZE]; /* transfer buffer (do we want/need this?) */ +}; + +struct devsw biosdisk = { + "disk", + DEVT_DISK, + bd_init, + bd_strategy, + bd_open, + bd_close, + noioctl +}; + +/* + * List of BIOS devices, translation from disk unit number to + * BIOS unit number. + */ +static struct +{ + int bd_unit; /* BIOS unit number */ + int bd_flags; +} bdinfo [MAXBDDEV]; +static int nbdinfo = 0; + +/* + * Quiz the BIOS for disk devices, save a little info about them. + * + * XXX should we be consulting the BIOS equipment list, specifically + * the value at 0x475? + */ +static int +bd_init(void) +{ + int base, unit; + + /* sequence 0, 0x80 */ + for (base = 0; base <= 0x80; base += 0x80) { + for (unit = base; (nbdinfo < MAXBDDEV); unit++) { + bdinfo[nbdinfo].bd_unit = -1; + bdinfo[nbdinfo].bd_flags = (unit < 0x80) ? BD_FLOPPY : 0; + + if (bd_edd3probe(unit)) { + bdinfo[nbdinfo].bd_flags |= BD_MODEEDD3; + } else if (bd_edd1probe(unit)) { + bdinfo[nbdinfo].bd_flags |= BD_MODEEDD1; + } else if (bd_int13probe(unit)) { + bdinfo[nbdinfo].bd_flags |= BD_MODEINT13; + } else { + break; + } + /* XXX we need "disk aliases" to make this simpler */ + printf("BIOS drive %c: is disk%d\n", + (unit < 0x80) ? ('A' + unit) : ('C' + unit - 0x80), nbdinfo); + bdinfo[nbdinfo].bd_unit = unit; + nbdinfo++; + } + } + return(0); +} + +/* + * Try to detect a device supported by an Enhanced Disk Drive 3.0-compliant BIOS + */ +static int +bd_edd3probe(int unit) +{ + return(0); /* XXX not implemented yet */ +} + +/* + * Try to detect a device supported by an Enhanced Disk Drive 1.1-compliant BIOS + */ +static int +bd_edd1probe(int unit) +{ + return(0); /* XXX not implemented yet */ +} + +/* + * Try to detect a device supported by the legacy int13 BIOS + */ + +static int +bd_int13probe(int unit) +{ + u_long geom; + + /* try int 0x13, function 8 */ + geom = bd_int13fn8(unit); + + return(geom != 0); +} + +/* + * Attempt to open the disk described by (dev) for use by (f). + * + * Note that the philosophy here is "give them exactly what + * they ask for". This is necessary because being too "smart" + * about what the user might want leads to complications. + * (eg. given no slice or partition value, with a disk that is + * sliced - are they after the first BSD slice, or the DOS + * slice before it?) + */ +static int +bd_open(struct open_file *f, void *vdev) +{ + struct i386_devdesc *dev = (struct i386_devdesc *)vdev; + struct dos_partition *dptr; + struct open_disk *od; + struct disklabel *lp; + int sector, slice, i; + int error; + + if (dev->d_kind.biosdisk.unit >= nbdinfo) { + D(printf("bd_open: attempt to open nonexistent disk\n")); + return(ENXIO); + } + + od = (struct open_disk *)malloc(sizeof(struct open_disk)); + if (!od) { + D(printf("bd_open: no memory\n")); + return (ENOMEM); + } + + /* Look up BIOS unit number, intialise open_disk structure */ + od->od_unit = dev->d_kind.biosdisk.unit; + od->od_ll.dev = bdinfo[od->od_unit].bd_unit; + od->od_flags = bdinfo[od->od_unit].bd_flags; + od->od_boff = 0; + error = 0; +#if 0 + D(printf("bd_open: open '%s' - unit 0x%x slice %d partition %c\n", + i386_fmtdev(dev), dev->d_kind.biosdisk.unit, + dev->d_kind.biosdisk.slice, dev->d_kind.biosdisk.partition + 'a')); +#endif + + /* Get geometry for this open (removable device may have changed) */ + if (set_geometry(&od->od_ll)) { + D(printf("bd_open: can't get geometry\n")); + error = ENXIO; + goto out; + } + + /* + * Following calculations attempt to determine the correct value + * for d->od_boff by looking for the slice and partition specified, + * or searching for reasonable defaults. + */ + + /* + * Find the slice in the DOS slice table. + */ + if (readsects(&od->od_ll, 0, 1, od->od_buf, 0)) { + D(printf("bd_open: error reading MBR\n")); + error = EIO; + goto out; + } + + /* + * Check the slice table magic. + */ + if ((od->od_buf[0x1fe] != 0xff) || (od->od_buf[0x1ff] != 0xaa)) { + /* If a slice number was explicitly supplied, this is an error */ + if (dev->d_kind.biosdisk.slice > 0) { + D(printf("bd_open: no slice table/MBR (no magic)\n")); + error = ENOENT; + goto out; + } + sector = 0; + goto unsliced; /* may be a floppy */ + } + dptr = (struct dos_partition *) & od->od_buf[DOSPARTOFF]; + + /* + * XXX No support here for 'extended' slices + */ + if (dev->d_kind.biosdisk.slice <= 0) { + /* + * Search for the first FreeBSD slice; this also works on "unsliced" + * disks, as they contain a "historically bogus" MBR. + */ + for (i = 0; i < NDOSPART; i++, dptr++) + if (dptr->dp_typ == DOSPTYP_386BSD) { + sector = dptr->dp_start; + break; + } + /* Did we find something? */ + if (sector == -1) { + error = ENOENT; + goto out; + } + } else { + /* + * Accept the supplied slice number unequivocally (we may be looking + * for a DOS partition) if we can handle it. + */ + if ((dev->d_kind.biosdisk.slice > NDOSPART) || (dev->d_kind.biosdisk.slice < 1)) { + error = ENOENT; + goto out; + } + dptr += (dev->d_kind.biosdisk.slice - 1); + sector = dptr->dp_start; + } + unsliced: + /* + * Now we have the slice, look for the partition in the disklabel if we have + * a partition to start with. + * + * XXX we might want to check the label checksum. + */ + if (dev->d_kind.biosdisk.partition < 0) { + od->od_boff = sector; /* no partition, must be after the slice */ + D(printf("bd_open: opening raw slice\n")); + } else { + + if (readsects(&od->od_ll, sector + LABELSECTOR, 1, od->od_buf, 0)) { + D(printf("bd_open: error reading disklabel\n")); + error = EIO; + goto out; + } + lp = (struct disklabel *) (od->od_buf + LABELOFFSET); + if (lp->d_magic != DISKMAGIC) { + D(printf("bd_open: no disklabel\n")); + error = ENOENT; + goto out; + + } else if (dev->d_kind.biosdisk.partition >= lp->d_npartitions) { + + /* + * The partition supplied is out of bounds; this is fatal. + */ + D(printf("partition '%c' exceeds partitions in table (a-'%c')\n", + 'a' + dev->d_kind.biosdisk.partition, 'a' + lp->d_npartitions)); + error = EPART; + goto out; + + } else { + + /* + * Complain if the partition type is wrong and it shouldn't be, but + * regardless accept this partition. + */ + D(if ((lp->d_partitions[dev->d_kind.biosdisk.partition].p_fstype == FS_UNUSED) && + !(od->od_flags & BD_FLOPPY)) /* Floppies often have bogus fstype */ + printf("bd_open: warning, partition marked as unused\n");); + + od->od_boff = lp->d_partitions[dev->d_kind.biosdisk.partition].p_offset; + } + } + /* + * Save our context + */ + ((struct i386_devdesc *)(f->f_devdata))->d_kind.biosdisk.data = od; +#if 0 + D(printf("bd_open: open_disk %p\n", od)); +#endif + + out: + if (error) + free(od); + return(error); +} + +static int +bd_close(struct open_file *f) +{ + struct open_disk *od = (struct open_disk *)(((struct i386_devdesc *)(f->f_devdata))->d_kind.biosdisk.data); + +#if 0 + D(printf("bd_close: open_disk %p\n", od)); +#endif + + /* XXX is this required? (especially if disk already open...) */ + if (od->od_flags & BD_FLOPPY) + delay(3000000); + + free(od); + return(0); +} + +static int +bd_strategy(void *devdata, int rw, daddr_t dblk, size_t size, void *buf, size_t *rsize) +{ + struct open_disk *od = (struct open_disk *)(((struct i386_devdesc *)devdata)->d_kind.biosdisk.data); + int blks; +#ifdef BD_SUPPORT_FRAGS + char fragbuf[BIOSDISK_SECSIZE]; + size_t fragsize; + + fragsize = size % BIOSDISK_SECSIZE; +#else + if (size % BIOSDISK_SECSIZE) + panic("bd_strategy: %d bytes I/O not multiple of block size", size); +#endif + +#if 0 + D(printf("bd_strategy: open_disk %p\n", od)); +#endif + + if (rw != F_READ) + return(EROFS); + + + blks = size / BIOSDISK_SECSIZE; +#if 0 + D(printf("bd_strategy: read %d from %d+%d to %p\n", blks, od->od_boff, dblk, buf)); +#endif + + if (rsize) + *rsize = 0; + if (blks && readsects(&od->od_ll, dblk + od->od_boff, blks, buf, 0)) { + D(printf("read error\n")); + return (EIO); + } +#ifdef BD_SUPPORT_FRAGS +#if 0 + D(printf("bd_strategy: frag read %d from %d+%d+d to %p\n", +#endif + fragsize, od->od_boff, dblk, blks, buf + (blks * BIOSDISK_SECSIZE))); + if (fragsize && readsects(&od->od_ll, dblk + od->od_boff + blks, 1, fragsize, 0)) { + D(printf("frag read error\n")); + return(EIO); + } + bcopy(fragbuf, buf + (blks * BIOSDISK_SECSIZE), fragsize); +#endif + if (rsize) + *rsize = size; + return (0); +} diff --git a/sys/boot/i386/libi386/biosdisk_support.S b/sys/boot/i386/libi386/biosdisk_support.S new file mode 100644 index 0000000..52e2e0f --- /dev/null +++ b/sys/boot/i386/libi386/biosdisk_support.S @@ -0,0 +1,114 @@ +/* + * Mach Operating System + * Copyright (c) 1992, 1991 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + * + * from: Mach, Revision 2.2 92/04/04 11:34:26 rpd + * $Id: bios.S,v 1.12 1997/07/31 08:07:53 phk Exp $ + */ + +/* + Copyright 1988, 1989, 1990, 1991, 1992 + by Intel Corporation, Santa Clara, California. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and +its documentation for any purpose and without fee is hereby +granted, provided that the above copyright notice appears in all +copies and that both the copyright notice and this permission notice +appear in supporting documentation, and that the name of Intel +not be used in advertising or publicity pertaining to distribution +of the software without specific, written prior permission. + +INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE +INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, +IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR +CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, +NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION +WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +#include <machine/asm.h> + +#define addr32 .byte 0x67 +#define data32 .byte 0x66 + +/* + * + * get_diskinfo(): return a word that represents the + * max number of sectors and heads and drives for this device + * + */ + +ENTRY(bd_int13fn8) + push %ebp + mov %esp, %ebp + push %ebx + push %esi + push %edi + + movb 0x8(%ebp), %dl /* diskinfo(drive #) */ + call CNAME(prot_to_real) /* enter real mode */ + + movb $0x8, %ah /* ask for disk info */ + + sti + int $0x13 + cli + + jnc ok + /* call failed, return 0 */ + subb %cl, %cl + subb %ch, %ch + subb %dl, %dl + subb %dh, %dh +ok: + + data32 + call CNAME(real_to_prot) /* back to protected mode */ + + /* + * form a longword representing all this gunk: + * 6 bit zero + * 10 bit max cylinder (0 based) + * 8 bit max head (0 based) + * 2 bit zero + * 6 bit max sector (1 based) = # sectors + */ + movb %cl, %al /* Upper two bits of cylinder count */ + andl $0xc0,%eax + leal 0(,%eax,4),%eax /* << 2 */ + movb %ch, %al /* Lower 8 bits */ + sall $16,%eax /* << 16 */ + movb %dh, %ah /* max head */ + andb $0x3f, %cl /* mask of cylinder gunk */ + movb %cl, %al /* max sector (and # sectors) */ + + pop %edi + pop %esi + pop %ebx + pop %ebp + ret + diff --git a/sys/boot/i386/libi386/biosgetrtc.S b/sys/boot/i386/libi386/biosgetrtc.S new file mode 100644 index 0000000..5927a06 --- /dev/null +++ b/sys/boot/i386/libi386/biosgetrtc.S @@ -0,0 +1,77 @@ +/* $NetBSD: biosgetrtc.S,v 1.2 1997/06/13 13:42:27 drochner Exp $ */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <machine/asm.h> + +#define addr32 .byte 0x67 +#define data32 .byte 0x66 + +ENTRY(biosgetrtc) + pushl %ebp + movl %esp, %ebp + pushl %ebx + pushl %ecx + pushl %edx + push %esi + push %edi + + xorl %ebx, %ebx + + call CNAME(prot_to_real) # enter real mode + + movb $2, %ah + int $0x1a + jnc ok + data32 + movl $-1, %ebx + +ok: + data32 + call CNAME(real_to_prot) # back to protected mode + + movl 8(%ebp), %eax + movl $0, (%eax) + movb %ch, (%eax) + movb %cl, 1(%eax) + movb %dh, 2(%eax) + + movl %ebx, %eax + + pop %edi + pop %esi + popl %edx + popl %ecx + popl %ebx + popl %ebp + ret diff --git a/sys/boot/i386/libi386/biosmem.S b/sys/boot/i386/libi386/biosmem.S new file mode 100644 index 0000000..cb97672 --- /dev/null +++ b/sys/boot/i386/libi386/biosmem.S @@ -0,0 +1,99 @@ +/* $NetBSD: biosmem.S,v 1.5 1997/08/18 22:44:01 hannken Exp $ */ + +/* + * Copyright (c) 1996 + * Perry E. Metzger. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgements: + * This product includes software developed for the NetBSD Project + * by Perry E. Metzger. + * 4. The names of the authors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + + +#include <machine/asm.h> + +#define data32 .byte 0x66 + + .text + +/* get mem below 1M, in kByte */ + +ENTRY(getbasemem) + pushl %ebp + movl %esp,%ebp + pushl %ebx + push %esi + push %edi + + call CNAME(prot_to_real) + + int $0x12 + # zero-extend 16-bit result to 32 bits. + data32 + movl $0, %ebx + mov %eax,%ebx # !!! at run time, it is mov %ax,%bx + + data32 + call CNAME(real_to_prot) + + movl %ebx, %eax + + pop %edi + pop %esi + popl %ebx + popl %ebp + ret + +/* get mem above 1M, in kByte */ + +ENTRY(getextmem) + pushl %ebp + movl %esp,%ebp + pushl %ebx + push %esi + push %edi + + call CNAME(prot_to_real) + + movb $0x88,%ah + int $0x15 + + # zero-extend 16-bit result to 32 bits. + data32 + movl $0, %ebx + mov %eax,%ebx # !!! at run time, it is mov %ax,%bx + + data32 + call CNAME(real_to_prot) + + movl %ebx, %eax + + pop %edi + pop %esi + popl %ebx + popl %ebp + ret + diff --git a/sys/boot/i386/libi386/biosreboot.S b/sys/boot/i386/libi386/biosreboot.S new file mode 100644 index 0000000..f2bfe65 --- /dev/null +++ b/sys/boot/i386/libi386/biosreboot.S @@ -0,0 +1,66 @@ +/* $NetBSD: biosreboot.S,v 1.1 1997/04/13 18:45:37 perry Exp $ */ + +/* + * Copyright (c) 1997 + * Perry E. Metzger. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgements: + * This product includes software developed for the NetBSD Project + * by Perry E. Metzger. + * 4. The names of the authors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + + +#include <machine/asm.h> + +#define data32 .byte 0x66 + + .text + +/* Call INT 19 to do the equivalent of CTL-ALT-DEL */ + +ENTRY(reboot) + pushl %ebp + movl %esp,%ebp + pushl %ebx + push %esi + push %edi + + call CNAME(prot_to_real) + + int $0x19 + + /* NOTE: We should never even get past this point. */ + + data32 + call CNAME(real_to_prot) + + movl %ebx, %eax + + pop %edi + pop %esi + popl %ebx + popl %ebp + ret diff --git a/sys/boot/i386/libi386/bootinfo.c b/sys/boot/i386/libi386/bootinfo.c new file mode 100644 index 0000000..8554f2a --- /dev/null +++ b/sys/boot/i386/libi386/bootinfo.c @@ -0,0 +1,197 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <sys/reboot.h> +#include <stand.h> +#include "bootstrap.h" + + +/* + * Return a 'boothowto' value corresponding to the kernel arguments in + * (kargs) and any relevant environment variables. + */ +static struct +{ + char *ev; + int mask; +} howto_names[] = { + {"boot_askname", RB_ASKNAME}, + {"boot_userconfig", RB_CONFIG}, + {"boot_ddb", RB_KDB}, + {"boot_gdb", RB_GDB}, + {"boot_single", RB_SINGLE}, + {"boot_verbose", RB_VERBOSE}, + {NULL, 0} +}; + +int +bi_getboothowto(char *kargs) +{ + char *cp; + int howto; + int active; + int i; + + howto = 0; + if (kargs != NULL) { + cp = kargs; + active = 0; + while (*cp != 0) { + if (!active && (*cp == '-')) { + active = 1; + } else if (active) + switch (*cp) { + case 'a': + howto |= RB_ASKNAME; + break; + case 'c': + howto |= RB_CONFIG; + break; + case 'd': + howto |= RB_KDB; + break; + case 'g': + howto |= RB_GDB; + break; + case 'h': + howto |= RB_SERIAL; + break; + case 'r': + howto |= RB_DFLTROOT; + break; + case 's': + howto |= RB_SINGLE; + break; + case 'v': + howto |= RB_VERBOSE; + break; + default: + active = 0; + break; + } + } + cp++; + } + for (i = 0; howto_names[i].ev != NULL; i++) + if (getenv(howto_names[i].ev) != NULL) + howto |= howto_names[i].mask; + if (!strcmp(getenv("console"), "comconsole")) + howto |= RB_SERIAL; + return(howto); +} + +/* + * Copy the environment into the load area starting at (addr). + * Each variable is formatted as <name>=<value>, with a single nul + * separating each variable, and a double nul terminating the environment. + */ +vm_offset_t +bi_copyenv(vm_offset_t addr) +{ + struct env_var *ep; + + /* traverse the environment */ + for (ep = environ; ep != NULL; ep = ep->ev_next) { + vpbcopy(ep->ev_name, addr, strlen(ep->ev_name)); + addr += strlen(ep->ev_name); + vpbcopy("=", addr, 1); + addr++; + if (ep->ev_value != NULL) { + vpbcopy(ep->ev_value, addr, strlen(ep->ev_value)); + addr += strlen(ep->ev_value); + } + vpbcopy("", addr, 1); + addr++; + } + vpbcopy("", addr, 1); + addr++; +} + +/* + * Copy module-related data into the load area, where it can be + * used as a directory for loaded modules. + * + * Module data is presented in a self-describing format. Each datum + * is preceeded by a 16-bit identifier and a 16-bit size field. + * + * Currently, the following data are saved: + * + * MOD_NAME (variable) module name (string) + * MOD_TYPE (variable) module type (string) + * MOD_ADDR sizeof(vm_offset_t) module load address + * MOD_SIZE sizeof(size_t) module size + * MOD_METADATA (variable) type-specific metadata + */ +#define MOD_STR(t, a, s) { \ + u_int32_t ident = (t << 16) + strlen(s) + 1; \ + vpbcopy(&ident, a, sizeof(ident)); \ + a += sizeof(ident); \ + vpbcopy(s, a, strlen(s) + 1); \ + a += strlen(s) + 1; \ +} + +#define MOD_NAME(a, s) MOD_STR(MODINFO_NAME, a, s) +#define MOD_TYPE(a, s) MOD_STR(MODINFO_TYPE, a, s) + +#define MOD_VAR(t, a, s) { \ + u_int32_t ident = (t << 16) + sizeof(s); \ + vpbcopy(&ident, a, sizeof(ident)); \ + a += sizeof(ident); \ + vpbcopy(&s, a, sizeof(s)); \ + a += sizeof(s); \ +} + +#define MOD_ADDR(a, s) MOD_VAR(MODINFO_ADDR, a, s) +#define MOD_SIZE(a, s) MOD_VAR(MODINFO_SIZE, a, s) + +#define MOD_METADATA(a, mm) { \ + u_int32_t ident = ((MODINFO_METADATA | mm->md_type) << 16) + mm->md_size; \ + vpbcopy(&ident, a, sizeof(ident)); \ + a += sizeof(ident); \ + vpbcopy(mm->md_data, a, mm->md_size); \ + a += mm->md_size; \ +} + +vm_offset_t +bi_copymodules(vm_offset_t addr) +{ + struct loaded_module *mp; + struct module_metadata *md; + + /* start with the first module on the list, should be the kernel */ + for (mp = mod_findmodule(NULL, NULL); mp != NULL; mp = mp->m_next) { + + MOD_NAME(addr, mp->m_name); + MOD_TYPE(addr, mp->m_type); + MOD_ADDR(addr, mp->m_addr); + MOD_SIZE(addr, mp->m_size); + for (md = mp->m_metadata; md != NULL; md = md->md_next) + MOD_METADATA(addr, md); + } + return(addr); +} diff --git a/sys/boot/i386/libi386/comconsole.c b/sys/boot/i386/libi386/comconsole.c new file mode 100644 index 0000000..a75f92d --- /dev/null +++ b/sys/boot/i386/libi386/comconsole.c @@ -0,0 +1,78 @@ +/* + * Copyright (c) 1998 Michael Smith (msmith@freebsd.org) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * From Id: probe_keyboard.c,v 1.13 1997/06/09 05:10:55 bde Exp + * + * $Id$ + */ + +#include <stand.h> + +#include "bootstrap.h" + +/* in comconsole.S */ +extern void cominit(int s); +extern void computc(int c); +extern int comgetc(void); +extern int comiskey(void); + +static void comc_probe(struct console *cp); +static int comc_init(int arg); +static int comc_in(void); + +struct console comconsole = { + "comconsole", + "BIOS serial port", + 0, + comc_probe, + comc_init, + computc, + comc_in, + comiskey +}; + +static void +comc_probe(struct console *cp) +{ + /* XXX check the BIOS equipment list? */ + cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT); +} + +static int +comc_init(int arg) +{ + /* XXX arg is unit number, should we use variables instead? */ + cominit(arg); + return(0); +} + +static int +comc_in(void) +{ + if (comiskey()) { + return(comgetc()); + } else { + return(-1); + } +} diff --git a/sys/boot/i386/libi386/comconsole_support.S b/sys/boot/i386/libi386/comconsole_support.S new file mode 100644 index 0000000..a6861dc --- /dev/null +++ b/sys/boot/i386/libi386/comconsole_support.S @@ -0,0 +1,147 @@ +/* $NetBSD: comio.S,v 1.2 1997/10/27 19:51:18 drochner Exp $ */ + +/* serial console handling + modelled after code in FreeBSD:sys/i386/boot/netboot/start2.S + */ + +#include <machine/asm.h> + +#define addr32 .byte 0x67 +#define data32 .byte 0x66 + + .text + +/************************************************************************** +INIT - Initialization (com number) +**************************************************************************/ +ENTRY(cominit) + push %ebp + mov %esp,%ebp + push %ebx + push %edx + push %esi + push %edi + + movl 8(%ebp), %edx + + call CNAME(prot_to_real) # enter real mode + + # Initialize the serial port (dl) to 9600 baud, 8N1. + movb $0xe3, %al + movb $0, %ah + int $0x14 + mov %ax,%bx + + data32 + call CNAME(real_to_prot) # back to protected mode + + xor %eax,%eax + mov %bx,%ax + + pop %edi + pop %esi + pop %edx + pop %ebx + pop %ebp + ret + +/************************************************************************** +PUTC - Print a character (char, com number) +**************************************************************************/ +ENTRY(computc) + push %ebp + mov %esp,%ebp + push %ecx + push %ebx + push %edx + push %esi + push %edi + + movb 8(%ebp),%cl + movl 12(%ebp),%edx + + call CNAME(prot_to_real) # enter real mode + + movb %cl,%al + movb $0x01, %ah + int $0x14 + + movb %ah,%bl + + data32 + call CNAME(real_to_prot) # back to protected mode + + xor %eax,%eax + movb %bl,%al + + pop %edi + pop %esi + pop %edx + pop %ebx + pop %ecx + pop %ebp + ret + +/************************************************************************** +GETC - Get a character (com number) +**************************************************************************/ +ENTRY(comgetc) + push %ebp + mov %esp,%ebp + push %ebx + push %edx + push %esi + push %edi + + movl 8(%ebp),%edx + + call CNAME(prot_to_real) # enter real mode + + movb $0x02, %ah + int $0x14 + movl %eax,%ebx # at run time, it is mov %ax,%bx + + data32 + call CNAME(real_to_prot) # back to protected mode + + xor %eax,%eax + mov %bx,%ax + + pop %edi + pop %esi + pop %edx + pop %ebx + pop %ebp + ret + +/************************************************************************** +ISKEY - Check for keyboard interrupt (com number) +**************************************************************************/ +ENTRY(comiskey) + push %ebp + mov %esp,%ebp + push %ebx + push %edx + push %esi + push %edi + + movl 8(%ebp),%edx + + call CNAME(prot_to_real) # enter real mode + + movb $0x03, %ah + int $0x14 + mov %ax,%bx + + data32 + call CNAME(real_to_prot) # back to protected mode + + xor %eax,%eax + mov %bx,%ax + + pop %edi + pop %esi + pop %edx + pop %ebx + pop %ebp + ret diff --git a/sys/boot/i386/libi386/crt/Makefile b/sys/boot/i386/libi386/crt/Makefile new file mode 100644 index 0000000..400cae8 --- /dev/null +++ b/sys/boot/i386/libi386/crt/Makefile @@ -0,0 +1,3 @@ +SUBDIR= bootsect + +.include <bsd.subdir.mk> diff --git a/sys/boot/i386/libi386/crt/bios_disk.S b/sys/boot/i386/libi386/crt/bios_disk.S new file mode 100644 index 0000000..3e383c5 --- /dev/null +++ b/sys/boot/i386/libi386/crt/bios_disk.S @@ -0,0 +1,176 @@ +/* + * $Id$ + * From: $NetBSD: bios_disk.S,v 1.1.1.1 1997/03/14 02:40:32 perry Exp $ + */ + +/* + * Ported to boot 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 + * + * Mach Operating System + * Copyright (c) 1992, 1991 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +/* + Copyright 1988, 1989, 1990, 1991, 1992 + by Intel Corporation, Santa Clara, California. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and +its documentation for any purpose and without fee is hereby +granted, provided that the above copyright notice appears in all +copies and that both the copyright notice and this permission notice +appear in supporting documentation, and that the name of Intel +not be used in advertising or publicity pertaining to distribution +of the software without specific, written prior permission. + +INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE +INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, +IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR +CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, +NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION +WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +/* extracted from netbsd:sys/arch/i386/boot/bios.S */ + +#include <machine/asm.h> + +#define addr32 .byte 0x67 +#define data32 .byte 0x66 + +/* +# BIOS call "INT 0x13 Function 0x2" to read sectors from disk into memory +# Call with %ah = 0x2 +# %al = number of sectors +# %ch = cylinder +# %cl = sector +# %dh = head +# %dl = drive (0x80 for hard disk, 0x0 for floppy disk) +# %es:%bx = segment:offset of buffer +# Return: +# %al = 0x0 on success; err code on failure +*/ +ENTRY(biosread) + pushl %ebp + movl %esp, %ebp + pushl %ebx + push %ecx + push %edx + push %esi + push %edi + + movb 16(%ebp), %dh + movw 12(%ebp), %cx + xchgb %ch, %cl # cylinder; the highest 2 bits of cyl is in %cl + rorb $2, %cl + movb 20(%ebp), %al + orb %al, %cl + incb %cl # sector; sec starts from 1, not 0 + movb 8(%ebp), %dl # device + movl 28(%ebp), %ebx # offset + # prot_to_real will set %es to BOOTSEG + + call CNAME(prot_to_real) # enter real mode + + movb $0x2, %ah # subfunction + addr32 + movb 24(%ebp), %al # number of sectors + int $0x13 + setc %bl + + data32 + call CNAME(real_to_prot) # back to protected mode + + xorl %eax, %eax + movb %bl, %al # return value in %ax + + pop %edi + pop %esi + pop %edx + pop %ecx + popl %ebx + popl %ebp + ret + +/* +# +# get_diskinfo(): return a word that represents the +# max number of sectors and heads and drives for this device +# +*/ + +ENTRY(get_diskinfo) + pushl %ebp + movl %esp, %ebp + push %es + pushl %ebx + push %ecx + push %edx + push %esi + push %edi + + movb 8(%ebp), %dl # diskinfo(drive #) + + call CNAME(prot_to_real) # enter real mode + + movb $0x08, %ah # ask for disk info + int $0x13 + jnc ok + + /* + * Urk. Call failed. It is not supported for floppies by old BIOS's. + * Guess it's a 15-sector floppy. Initialize all the registers for + * documentation, although we only need head and sector counts. + */ +# subb %ah, %ah # %ax = 0 +# movb %ah, %bh # %bh = 0 +# movb $2, %bl # %bl bits 0-3 = drive type, 2 = 1.2M +# movb $79, %ch # max track + movb $15, %cl # max sector + movb $1, %dh # max head +# movb $1, %dl # # floppy drives installed + # es:di = parameter table + # carry = 0 + +ok: + data32 + call CNAME(real_to_prot) # back to protected mode + + xorl %eax, %eax + + /*form a longword representing all this gunk*/ + movb %dh, %ah # max head + andb $0x3f, %cl # mask of cylinder gunk + movb %cl, %al # max sector (and # sectors) + + pop %edi + pop %esi + pop %edx + pop %ecx + popl %ebx + pop %es + popl %ebp + ret diff --git a/sys/boot/i386/libi386/crt/biosdisk_ll.c b/sys/boot/i386/libi386/crt/biosdisk_ll.c new file mode 100644 index 0000000..b7c77de --- /dev/null +++ b/sys/boot/i386/libi386/crt/biosdisk_ll.c @@ -0,0 +1,148 @@ +/* + * $Id$ + * From: $NetBSD: biosdisk_ll.c,v 1.3 1997/06/13 13:36:06 drochner Exp $ + */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * Copyright (c) 1996 + * Perry E. Metzger. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgements: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * This product includes software developed for the NetBSD Project + * by Perry E. Metzger. + * 4. The names of the authors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * shared by bootsector startup (bootsectmain) and biosdisk.c + * needs lowlevel parts from bios_disk.S + */ + +#include <stand.h> + +#include "biosdisk_ll.h" +#include "diskbuf.h" + +/* XXX prototypes from export header? */ +extern int get_diskinfo(int); +extern int biosread(int, int, int, int, int, char *); + +#define SPT(di) ((di)&0xff) +#define HEADS(di) ((((di)>>8)&0xff)+1) + +int +set_geometry(d) + struct biosdisk_ll *d; +{ + int diskinfo; + + diskinfo = get_diskinfo(d->dev); + + d->spc = (d->spt = SPT(diskinfo)) * HEADS(diskinfo); + + /* + * get_diskinfo assumes floppy if BIOS call fails. Check at least + * "valid" geometry. + */ + return (!d->spc || !d->spt); +} + +/* + * Global shared "diskbuf" is used as read ahead buffer. For reading from + * floppies, the bootstrap has to be loaded on a 64K boundary to ensure that + * this buffer doesn't cross a 64K DMA boundary. + */ +static int ra_dev; +static int ra_end; +static int ra_first; + +int +readsects(d, dblk, num, buf, cold) /* reads ahead if (!cold) */ + struct biosdisk_ll *d; + int dblk, num; + char *buf; + int cold; /* don't use data segment or bss, don't call + * library functions */ +{ + while (num) { + int nsec; + + /* check for usable data in read-ahead buffer */ + if (cold || diskbuf_user != &ra_dev || d->dev != ra_dev + || dblk < ra_first || dblk >= ra_end) { + + /* no, read from disk */ + int cyl, head, sec; + char *trbuf; + + cyl = dblk / d->spc; + head = (dblk % d->spc) / d->spt; + sec = dblk % d->spt; + nsec = d->spt - sec; + + if (cold) { + /* transfer directly to buffer */ + trbuf = buf; + if (nsec > num) + nsec = num; + } else { + /* fill read-ahead buffer */ + trbuf = diskbuf; + if (nsec > diskbuf_size) + nsec = diskbuf_size; + + ra_dev = d->dev; + ra_first = dblk; + ra_end = dblk + nsec; + diskbuf_user = &ra_dev; + } + + if (biosread(d->dev, cyl, head, sec, nsec, trbuf)) { + if (!cold) + diskbuf_user = 0; /* mark invalid */ + return (-1); /* XXX cannot output here if + * (cold) */ + } + } else /* can take blocks from end of read-ahead + * buffer */ + nsec = ra_end - dblk; + + if (!cold) { + /* copy data from read-ahead to user buffer */ + if (nsec > num) + nsec = num; + bcopy(diskbuf + (dblk - ra_first) * BIOSDISK_SECSIZE, + buf, nsec * BIOSDISK_SECSIZE); + } + buf += nsec * BIOSDISK_SECSIZE; + num -= nsec; + dblk += nsec; + } + + return (0); +} diff --git a/sys/boot/i386/libi386/crt/biosdisk_ll.h b/sys/boot/i386/libi386/crt/biosdisk_ll.h new file mode 100644 index 0000000..7e0782a --- /dev/null +++ b/sys/boot/i386/libi386/crt/biosdisk_ll.h @@ -0,0 +1,54 @@ +/* + * $Id$ + * From: $NetBSD: biosdisk_ll.h,v 1.2 1997/03/22 01:41:36 thorpej Exp $ + */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * Copyright (c) 1996 + * Perry E. Metzger. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgements: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * This product includes software developed for the NetBSD Project + * by Perry E. Metzger. + * 4. The names of the authors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * shared by bootsector startup (bootsectmain) and biosdisk.c needs lowlevel + * parts from bios_disk.S + */ + +struct biosdisk_ll { + int dev; /* BIOS device number */ + int spt, spc; /* geometry */ +}; + +#define BIOSDISK_SECSIZE 512 + +extern int set_geometry(struct biosdisk_ll *); +extern int readsects(struct biosdisk_ll *, int, int, char *, int); diff --git a/sys/boot/i386/libi386/crt/bootsect/Makefile b/sys/boot/i386/libi386/crt/bootsect/Makefile new file mode 100644 index 0000000..1c04705 --- /dev/null +++ b/sys/boot/i386/libi386/crt/bootsect/Makefile @@ -0,0 +1,25 @@ +# +# Build a startup module +# + +# Disk buffer size in sectors +CFLAGS+= -DDISKBUFSIZE=18 +# Stack size in bytes +CFLAGS+= -DSTACKSIZE=0x1000 + +PROG= bscrt.o +LDFLAGS= -static -nostartfiles -nostdlib -Xlinker -r +NOMAN= yes + +# Bootblock-specific sources +SRCS= start_bootsect.S fraglist.S bootsectmain.c + +# Includes for libsa support routines XXX fix path! +CFLAGS+= -I${.CURDIR}/../../../../../whole/lib/libstand + +# Common items across all startups +.PATH: ${.CURDIR}/.. +CFLAGS+= -I${.CURDIR}/.. +SRCS+= biosdisk_ll.c bios_disk.S buffers.S + +.include <bsd.prog.mk> diff --git a/sys/boot/i386/libi386/crt/bootsect/bbinfo.h b/sys/boot/i386/libi386/crt/bootsect/bbinfo.h new file mode 100644 index 0000000..f777acf --- /dev/null +++ b/sys/boot/i386/libi386/crt/bootsect/bbinfo.h @@ -0,0 +1,64 @@ +/* + * $Id$ + * From: $NetBSD: bbinfo.h,v 1.3 1997/11/07 16:59:41 drochner Exp $ + */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* data structure shared by bootsector + and installboot + */ + +#ifndef __ASSEMBLER__ + +struct fraglist { + int magic; + int loadsz; /* blocks loaded by primary boot */ + int numentries, maxentries; + struct { + int offset, num; + } entries[1]; +}; + +#endif + +#define FRAGLISTVERSION 0 +#define FRAGLISTMAGIC (0xb00deda5 + FRAGLISTVERSION) + +/* only used by bootsect code (not by installboot) */ +#ifndef MAXFLENTRIES +#define MAXFLENTRIES 10 +#endif +#ifndef PRIM_LOADSZ +#define PRIM_LOADSZ 15 +#endif diff --git a/sys/boot/i386/libi386/crt/bootsect/bootsectmain.c b/sys/boot/i386/libi386/crt/bootsect/bootsectmain.c new file mode 100644 index 0000000..7c48506 --- /dev/null +++ b/sys/boot/i386/libi386/crt/bootsect/bootsectmain.c @@ -0,0 +1,88 @@ +/* + * $Id$ + * From: $NetBSD: bootsectmain.c,v 1.1.1.1 1997/03/14 02:40:34 perry Exp $ + */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* load remainder of boot program + (blocks from fraglist), + start main() + needs lowlevel parts from biosdisk_ll.c + */ + +#include "biosdisk_ll.h" +#include "bbinfo.h" + +int boot_biosdev; /* exported */ + +extern struct fraglist fraglist; +extern char edata[], end[]; + +extern void main(void); + +void bootsectmain(biosdev) +int biosdev; +{ + struct biosdisk_ll d; + int i; + char *buf; + + /* + * load sectors from bootdev + */ + d.dev = biosdev; + set_geometry(&d); + + buf = (char*)(PRIM_LOADSZ * BIOSDISK_SECSIZE); + + for(i = 0; i < fraglist.numentries; i++) { + int dblk, num; + + dblk = fraglist.entries[i].offset; + num = fraglist.entries[i].num; + + if(readsects(&d, dblk, num, buf, 1)) + return; /* halts in start_bootsect.S */ + + buf += num * BIOSDISK_SECSIZE; + } + + /* clear BSS */ + buf = edata; + while(buf < end) *buf++ = 0; + + /* call main() */ + boot_biosdev = biosdev; +/* main(); */ +} diff --git a/sys/boot/i386/libi386/crt/bootsect/fraglist.S b/sys/boot/i386/libi386/crt/bootsect/fraglist.S new file mode 100644 index 0000000..72ddad4 --- /dev/null +++ b/sys/boot/i386/libi386/crt/bootsect/fraglist.S @@ -0,0 +1,49 @@ +/* $NetBSD: fraglist.S,v 1.1.1.1 1997/03/14 02:40:34 perry Exp $ */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* space for fragment list + goes to text section - must be loaded by primary boot + */ + +#include "bbinfo.h" + + .text + + .globl _fraglist +_fraglist: + .long FRAGLISTMAGIC + .long PRIM_LOADSZ /* blocks already in memory */ + .long 0 + .long MAXFLENTRIES + . = . + 2 * MAXFLENTRIES * 4 diff --git a/sys/boot/i386/libi386/crt/bootsect/start_bootsect.S b/sys/boot/i386/libi386/crt/bootsect/start_bootsect.S new file mode 100644 index 0000000..438ae69 --- /dev/null +++ b/sys/boot/i386/libi386/crt/bootsect/start_bootsect.S @@ -0,0 +1,540 @@ +/* $NetBSD: start_bootsect.S,v 1.3 1998/02/19 14:15:38 drochner Exp $ */ + +/* BIOS bootsector startup + parts from netbsd:sys/arch/i386/boot/start.S + and freebsd:sys/i386/boot/biosboot/boot2.S + */ + +/* + * Ported to boot 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 + * + * Mach Operating System + * Copyright (c) 1992, 1991 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +/* + Copyright 1988, 1989, 1990, 1991, 1992 + by Intel Corporation, Santa Clara, California. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and +its documentation for any purpose and without fee is hereby +granted, provided that the above copyright notice appears in all +copies and that both the copyright notice and this permission notice +appear in supporting documentation, and that the name of Intel +not be used in advertising or publicity pertaining to distribution +of the software without specific, written prior permission. + +INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE +INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, +IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR +CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, +NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION +WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +#include <machine/asm.h> +#define addr32 .byte 0x67 +#define data32 .byte 0x66 +/* #include <machine/disklabel.h> */ + +#include "bbinfo.h" + +BOOTSEG = 0x0100 # boot will be loaded here (below 640K) +BOOTSTACK = 0xfffc # boot stack +LOADSZ = PRIM_LOADSZ # size of first loaded chunk + +SIGNATURE = 0xaa55 +PARTSTART = 0x1be # starting address of partition table +NUMPART = 4 # number of partitions in partition table +PARTSZ = 16 # sizeof(struct dos_partition) +BSDPART = 0xA5 +BOOTABLE = 0x80 # value of dp_flag, means bootable partition + + .text +_boot1: +ENTRY(start) + # start (aka boot1) is loaded at 0x0:0x7c00 but we want 0x7c0:0 + # ljmp to the next instruction to adjust %cs + data32 + ljmp $0x7c0, $start1 + +start1: + # set up %ds + movl %cs, %ax + movl %ax, %ds + + # temporary stack while we locate boot2 + # set up %ss and %esp + data32 + movl $BOOTSEG, %eax + movl %ax, %ss + data32 + movl $BOOTSTACK, %esp + + /*** set up %es, (where we will load boot2 to) ***/ + movl %ax, %es + + # bootstrap passes us drive number in %dl + cmpb $0x80, %dl + data32 + jae hd + +fd: +# reset the disk system + movb $0x00, %ah + int $0x13 + data32 + movl $0x0001, %ecx # cyl 0, sector 1 + movb $0x00, %dh # head + # XXX Override the drive number. + movb $0x00, %dl + data32 + jmp load + +hd: /**** load sector 0 (DOSBBSECTOR) into the BOOTSEG ****/ + data32 + movl $0x0201, %eax + xorl %ebx, %ebx # %bx = 0 + data32 + movl $0x0001, %ecx + data32 + andl $0xff, %edx + /*mov $0x0080, %edx*/ + int $0x13 + data32 + jb read_error + + /***# find the first BSD partition *****/ + data32 + movl $PARTSTART, %ebx + data32 + movl $NUMPART, %ecx +again: + addr32 + movb %es:4(%ebx), %al /* dp_typ */ + cmpb $BSDPART, %al + data32 + je found + data32 + addl $PARTSZ, %ebx + data32 + loop again + + /* didn't find either NetBSD or 386BSD partitions */ + data32 + movl $enoboot, %esi + data32 + jmp err_stop + + +/* +# BIOS call "INT 0x13 Function 0x2" to read sectors from disk into memory +# Call with %ah = 0x2 +# %al = number of sectors +# %ch = cylinder +# %cl = sector +# %dh = head +# %dl = drive (0x80 for hard disk, 0x0 for floppy disk) +# %es:%bx = segment:offset of buffer +# Return: +# %al = 0x0 on success; err code on failure +*/ + +found: + addr32 + movb %es:1(%ebx), %dh /* head: dp_sdh */ + addr32 + movl %es:2(%ebx), %ecx /*sect, cyl: dp_ssect + (dp_scyl << 8)*/ + +load: + movb $0x2, %ah /* function 2 */ + movb $LOADSZ, %al /* number of blocks */ + xorl %ebx, %ebx /* %bx = 0, put it at 0 in the BOOTSEG */ + int $0x13 + data32 + jb read_error + + # ljmp to the second stage boot loader (boot2). + # After ljmp, %cs is BOOTSEG and boot1 (512 bytes) will be used + # for stack space while we load boot3. + + data32 + ljmp $BOOTSEG, $CNAME(boot2) + +# +# read_error +# + +read_error: + data32 + movl $eread, %esi +err_stop: + data32 + call message + data32 + jmp stop + +# +# message: write the error message in %ds:%esi to console +# + +message: +/* +# BIOS call "INT 10H Function 0Eh" to write character to console +# Call with %ah = 0x0e +# %al = character +# %bh = page +# %bl = foreground color +*/ + data32 + pushl %eax + data32 + pushl %ebx + data32 + pushl %edx + +nextb: + cld + lodsb # load a byte into %al + testb %al, %al + data32 + jz done + + movb $0x0e, %ah + data32 + movl $0x0001, %ebx + int $0x10 + + data32 + jmp nextb + +done: + data32 + popl %edx + data32 + popl %ebx + data32 + popl %eax + data32 + ret + +_ourseg: + .long 0 + +/************************************************************************** +GLOBAL DESCRIPTOR TABLE +**************************************************************************/ + .align 4 +gdt: /* 0x0 */ + .word 0, 0 + .byte 0, 0x00, 0x00, 0 + +/* additional dummy for Linux support (?) */ /* 0x8 */ + .word 0, 0 + .byte 0, 0x00, 0x00, 0 + + /* kernel code segment */ + .globl flatcodeseg +flatcodeseg = . - gdt /* 0x10 */ + .word 0xffff, 0 + .byte 0, 0x9f, 0xcf, 0 + + /* kernel data segment */ + .globl flatdataseg +flatdataseg = . - gdt /* 0x18 */ + .word 0xffff, 0 + .byte 0, 0x93, 0xcf, 0 + + /* boot code segment, will be patched */ +bootcodeseg = . - gdt /* 0x20 */ + .word 0xffff, 0 + .byte 0, 0x9e, 0x40, 0 + + /* boot data segment, will be patched */ +bootdataseg = . - gdt /* 0x28 */ + .word 0xffff, 0 + .byte 0, 0x92, 0x0f, 0 + + /* 16 bit real mode, will be patched */ +bootrealseg = . - gdt /* 0x30 */ + .word 0xffff, 0 + .byte 0, 0x9e, 0x00, 0 +gdtlen = . - gdt + + .align 4 +gdtarg: + .word gdtlen-1 /* limit */ + .long 0 /* addr, will be inserted */ + +_boot2: + data32 + xorl %eax, %eax + movl %cs, %ax + movl %ax, %ds + movl %ax, %es + addr32 + data32 + movl %eax, CNAME(ourseg) + data32 + shll $4, %eax + + /* fix up GDT entries for bootstrap */ +#define FIXUP(gdt_index) \ + addr32; \ + movl %eax, gdt+gdt_index+2; /* actually movw %ax */ \ + addr32; \ + movb %bl, gdt+gdt_index+4 + + data32 + shldl $16, %eax, %ebx + + FIXUP(bootcodeseg) + FIXUP(bootrealseg) + FIXUP(bootdataseg) + + /* fix up GDT pointer */ + data32 + addl $gdt, %eax + addr32 + data32 + movl %eax, gdtarg+2 + + /* change to protected mode */ + data32 + call CNAME(real_to_prot) + + /* move the stack over the top of boot1 while we load */ + movl $_ourseg - 4, %eax + movl %eax, %esp + + movzbl %dl, %edx /* discard head (%dh) and random high bits */ + pushl %edx + call CNAME(bootsectmain) + + /* Go to internal stack */ + movl $CNAME(stacktop), %eax + movl %eax, %esp + call CNAME(main) + + +ENTRY(exit) +stop: + cli + hlt + +eread: .asciz "Read error\r\n" +enoboot: .asciz "No bootable partition\r\n" +endofcode: +/* throw in a partition in case we are block0 as well */ +/* flag, head, sec, cyl, typ, ehead, esect, ecyl, start, len */ + . = CNAME(boot1) + PARTSTART + .byte 0x0,0,0,0,0,0,0,0 + .long 0,0 + .byte 0x0,0,0,0,0,0,0,0 + .long 0,0 + .byte 0x0,0,0,0,0,0,0,0 + .long 0,0 + .byte BOOTABLE,0,1,0,BSDPART,255,255,255 + .long 0,50000 +/* the last 2 bytes in the sector 0 contain the signature */ + . = CNAME(boot1) + 0x1fe + .short SIGNATURE + . = CNAME(boot1) + 0x200 + .globl _disklabel +_disklabel: + . = CNAME(boot1) + 0x400 + + +CR0_PE = 0x1 +/* + * real_to_prot() + * transfer from real mode to protected mode. + */ +ENTRY(real_to_prot) + # guarantee that interrupt is disabled when in prot mode + cli + + # load the gdtr + addr32 + data32 + lgdt gdtarg + + # set the PE bit of CR0 + movl %cr0, %eax + + data32 + orl $CR0_PE, %eax + movl %eax, %cr0 + + # make intrasegment jump to flush the processor pipeline and + # reload CS register + data32 + ljmp $bootcodeseg, $xprot + +xprot: + # we are in USE32 mode now + # set up the protected mode segment registers : DS, SS, ES + movl $bootdataseg, %eax + movl %ax, %ds + movl %ax, %ss + movl %ax, %es + + ret + +/* + * prot_to_real() + * transfer from protected mode to real mode + */ +ENTRY(prot_to_real) + # set up a dummy stack frame for the second seg change. + # Adjust the intersegment jump instruction following + # the clearing of protected mode bit. + # This is self-modifying code, but we need a writable + # code segment, and an intersegment return does not give us that. + + movl _ourseg, %eax + movw %ax, xreal-2 + + # Change to use16 mode. + ljmp $bootrealseg, $x16 + +x16: + # clear the PE bit of CR0 + movl %cr0, %eax + data32 + andl $~CR0_PE, %eax + movl %eax, %cr0 + # Here we have an 16 bits intersegment jump. + .byte 0xea + .word xreal + .word 0 + +xreal: + # we are in real mode now + # set up the real mode segment registers : DS, SS, ES + movl %cs, %ax + movl %ax, %ds + movl %ax, %ss + movl %ax, %es + + sti + data32 + ret + +/* + * pbzero(dst, cnt) + * where dst is a physical address and cnt is the length + */ +ENTRY(pbzero) + pushl %ebp + movl %esp, %ebp + pushl %es + pushl %edi + + cld + + # set %es to point at the flat segment + movl $flatdataseg, %eax + movl %ax, %es + + movl 8(%ebp), %edi # destination + movl 12(%ebp), %ecx # count + xorl %eax, %eax # value + + rep + stosb + + popl %edi + popl %es + popl %ebp + ret + +/* + * vpbcopy(src, dst, cnt) + * where src is a virtual address and dst is a physical address + */ +ENTRY(vpbcopy) + pushl %ebp + movl %esp, %ebp + pushl %es + pushl %esi + pushl %edi + + cld + + # set %es to point at the flat segment + movl $flatdataseg, %eax + movl %ax, %es + + movl 8(%ebp), %esi # source + movl 12(%ebp), %edi # destination + movl 16(%ebp), %ecx # count + + rep + movsb + + popl %edi + popl %esi + popl %es + popl %ebp + ret + +/* + * pvbcopy(src, dst, cnt) + * where src is a physical address and dst is a virtual address + */ +ENTRY(pvbcopy) + pushl %ebp + movl %esp, %ebp + pushl %ds + pushl %esi + pushl %edi + + cld + + # set %ds to point at the flat segment + movl $flatdataseg, %eax + movl %ax, %ds + + movl 8(%ebp), %esi # source + movl 12(%ebp), %edi # destination + movl 16(%ebp), %ecx # count + + rep + movsb + + popl %edi + popl %esi + popl %ds + popl %ebp + ret + +ENTRY(vtophys) + movl _ourseg, %eax + shll $4, %eax + addl 4(%esp), %eax + ret diff --git a/sys/boot/i386/libi386/crt/buffers.S b/sys/boot/i386/libi386/crt/buffers.S new file mode 100644 index 0000000..9ded63c --- /dev/null +++ b/sys/boot/i386/libi386/crt/buffers.S @@ -0,0 +1,27 @@ +/* + * Provide buffer space for various items. + * + * We do this in the text segment so that we can control the location + * of the buffers at the link stage, and thus ensure that they are + * within reach of the real-mode support routines. + * + * It is especially important to have the stack down low so that + * it is reachable from both 32-bit and 16-bit code. + */ + +#include <machine/asm.h> + + .text + .align 4 +ENTRY(diskbuf) + . = CNAME(diskbuf) + (DISKBUFSIZE * 512) +ENTRY(diskbuf_user) + .long 0 +ENTRY(diskbuf_size) + .long DISKBUFSIZE + + .align 4 +ENTRY(stackbase) + . = CNAME(stackbase) + STACKSIZE +ENTRY(stacktop) + .long 0 diff --git a/sys/boot/i386/libi386/crt/diskbuf.h b/sys/boot/i386/libi386/crt/diskbuf.h new file mode 100644 index 0000000..ad4949c --- /dev/null +++ b/sys/boot/i386/libi386/crt/diskbuf.h @@ -0,0 +1,42 @@ +/* + * $Id$ + * From: $NetBSD: diskbuf.h,v 1.1.1.1 1997/03/14 02:40:32 perry Exp $ + */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* data buffer for BIOS disk / DOS I/O */ + +extern char diskbuf[]; /* client-supplied disk buffer */ +extern void *diskbuf_user; /* using function sets it to unique value to allow check if overwritten*/ +extern int diskbuf_size; /* size of client-supplied buffer in sectors */ diff --git a/sys/boot/i386/libi386/devicename.c b/sys/boot/i386/libi386/devicename.c new file mode 100644 index 0000000..043589f --- /dev/null +++ b/sys/boot/i386/libi386/devicename.c @@ -0,0 +1,234 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stand.h> +#include <string.h> +#include <sys/disklabel.h> +#include "bootstrap.h" +#include "libi386.h" + +static int i386_parsedev(struct i386_devdesc **dev, char *devspec, char **path); + +/* + * Point (dev) at an allocated device specifier for the device matching the + * path in (devspec). If it contains an explicit device specification, + * use that. If not, use the default device. + */ +int +i386_getdev(void **vdev, char *devspec, char **path) +{ + struct i386_devdesc **dev = (struct i386_devdesc **)vdev; + int rv; + + /* + * If it looks like this is just a path and no + * device, go with the current device. + */ + if ((devspec == NULL) || + (devspec[0] == '/') || + (strchr(devspec, ':') == NULL)) { + + if (((rv = i386_parsedev(dev, getenv("currdev"), NULL)) == 0) && + (path != NULL)) + *path = devspec; + return(rv); + } + + /* + * Try to parse the device name off the beginning of the devspec + */ + return(i386_parsedev(dev, devspec, path)); +} + +/* + * Point (dev) at an allocated device specifier matching the string version + * at the beginning of (devspec). Return a pointer to the remaining + * text in (path). + * + * In all cases, the beginning of (devspec) is compared to the names + * of known devices in the device switch, and then any following text + * is parsed according to the rules applied to the device type. + * + * For disk-type devices, the syntax is: + * + * disk<unit>[s<slice>][<partition>]: + * + */ +static int +i386_parsedev(struct i386_devdesc **dev, char *devspec, char **path) +{ + struct i386_devdesc *idev; + struct devsw *dv; + int i, unit, slice, partition, err; + char *cp, *np; + + /* minimum length check */ + if (strlen(devspec) < 2) + return(EINVAL); + + /* look for a device that matches */ + for (i = 0, dv = NULL; devsw[i] != NULL; i++) { + if (!strncmp(devspec, devsw[i]->dv_name, strlen(devsw[i]->dv_name))) { + dv = devsw[i]; + break; + } + } + if (dv == NULL) + return(ENOENT); + idev = malloc(sizeof(struct i386_devdesc)); + err = 0; + np = (devspec + strlen(dv->dv_name)); + + switch(dv->dv_type) { + case DEVT_NONE: /* XXX what to do here? Do we care? */ + break; + + case DEVT_DISK: + unit = -1; + slice = -1; + partition = -1; + if (*np && (*np != ':')) { + unit = strtol(np, &cp, 10); /* next comes the unit number */ + if (cp == np) { + err = EUNIT; + goto fail; + } + if (*cp == 's') { /* got a slice number */ + np = cp + 1; + slice = strtol(np, &cp, 10); + if (cp == np) { + err = ESLICE; + goto fail; + } + } + if (*cp && (*cp != ':')) { + partition = *cp - 'a'; /* get a partition number */ + if ((partition < 0) || (partition >= MAXPARTITIONS)) { + err = EPART; + goto fail; + } + cp++; + } + } + if (*cp && (*cp != ':')) { + err = EINVAL; + goto fail; + } + + idev->d_kind.biosdisk.unit = unit; + idev->d_kind.biosdisk.slice = slice; + idev->d_kind.biosdisk.partition = partition; + if (path != NULL) + *path = (*cp == 0) ? cp : cp + 1; + break; + + case DEVT_NET: + unit = 0; + + if (*np && (*np != ':')) { + unit = strtol(np, &cp, 0); /* get unit number if present */ + if (cp == np) { + err = EUNIT; + goto fail; + } + } + if (*cp && (*cp != ':')) { + err = EINVAL; + goto fail; + } + + idev->d_kind.netif.unit = unit; + if (path != NULL) + *path = (*cp == 0) ? cp : cp + 1; + break; + + default: + err = EINVAL; + goto fail; + } + idev->d_dev = dv; + idev->d_type = dv->dv_type; + if (dev == NULL) { + free(idev); + } else { + *dev = idev; + } + return(0); + + fail: + free(idev); + return(err); +} + + +char * +i386_fmtdev(void *vdev) +{ + struct i386_devdesc *dev = (struct i386_devdesc *)vdev; + static char buf[128]; /* XXX device length constant? */ + char *cp; + + switch(dev->d_type) { + case DEVT_NONE: + strcpy(buf, "(no device)"); + break; + + case DEVT_DISK: + cp = buf; + cp += sprintf(cp, "%s%d", dev->d_dev->dv_name, dev->d_kind.biosdisk.unit); + if (dev->d_kind.biosdisk.slice > 0) + cp += sprintf(cp, "s%d", dev->d_kind.biosdisk.slice); + if (dev->d_kind.biosdisk.partition >= 0) + cp += sprintf(cp, "%c", dev->d_kind.biosdisk.partition + 'a'); + strcat(cp, ":"); + break; + + case DEVT_NET: + sprintf(buf, "%s%d:", dev->d_dev->dv_name, dev->d_kind.netif.unit); + break; + } + return(buf); +} + + +/* + * Set currdev to suit the value being supplied in (value) + */ +int +i386_setcurrdev(struct env_var *ev, int flags, void *value) +{ + struct i386_devdesc *ncurr; + int rv; + + if ((rv = i386_parsedev(&ncurr, value, NULL)) != 0) + return(rv); + free(ncurr); + env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL); + return(0); +} + diff --git a/sys/boot/i386/libi386/gatea20.c b/sys/boot/i386/libi386/gatea20.c new file mode 100644 index 0000000..bb109db --- /dev/null +++ b/sys/boot/i386/libi386/gatea20.c @@ -0,0 +1,52 @@ +/* + * $Id$ + * From: $NetBSD: gatea20.c,v 1.2 1997/10/29 00:32:49 fvdl Exp $ + */ + +/* extracted from freebsd:sys/i386/boot/biosboot/io.c */ + +#include <sys/types.h> +#include <machine/cpufunc.h> + +#include <stand.h> + +#include "libi386.h" + +#define K_RDWR 0x60 /* keyboard data & cmds (read/write) */ +#define K_STATUS 0x64 /* keyboard status */ +#define K_CMD 0x64 /* keybd ctlr command (write-only) */ + +#define K_OBUF_FUL 0x01 /* output buffer full */ +#define K_IBUF_FUL 0x02 /* input buffer full */ + +#define KC_CMD_WIN 0xd0 /* read output port */ +#define KC_CMD_WOUT 0xd1 /* write output port */ +#define KB_A20 0x9f /* enable A20, + reset (!), + enable output buffer full interrupt + enable data line + disable clock line */ + +/* + * Gate A20 for high memory + */ +static unsigned char x_20 = KB_A20; +void gateA20() +{ + __asm("pushfl ; cli"); +#ifdef IBM_L40 + outb(0x92, 0x2); +#else IBM_L40 + while (inb(K_STATUS) & K_IBUF_FUL); + while (inb(K_STATUS) & K_OBUF_FUL) + (void)inb(K_RDWR); + + outb(K_CMD, KC_CMD_WOUT); + delay(100); + while (inb(K_STATUS) & K_IBUF_FUL); + outb(K_RDWR, x_20); + delay(100); + while (inb(K_STATUS) & K_IBUF_FUL); +#endif IBM_L40 + __asm("popfl"); +} diff --git a/sys/boot/i386/libi386/getsecs.c b/sys/boot/i386/libi386/getsecs.c new file mode 100644 index 0000000..3529c39 --- /dev/null +++ b/sys/boot/i386/libi386/getsecs.c @@ -0,0 +1,40 @@ +/* + * $Id$ + * From: $NetBSD: getsecs.c,v 1.1.1.1 1997/03/14 02:40:32 perry Exp $ + */ + +/* extracted from netbsd:sys/arch/i386/netboot/misc.c */ + +#include <sys/types.h> +#include <stand.h> + +#include "libi386.h" + +extern int biosgetrtc __P((u_long*)); + +time_t +time(time_t *tloc) { + /* + * Return the current time (of day) in seconds. + * XXX should be extended to do it "more right" perhaps? + * XXX uses undocumented BCD support from libstand. + */ + + u_long t; + time_t sec; + + if(biosgetrtc(&t)) + panic("RTC invalid"); + + sec = bcd2bin(t & 0xff); + sec *= 60; + t >>= 8; + sec += bcd2bin(t & 0xff); + sec *= 60; + t >>= 8; + sec += bcd2bin(t & 0xff); + + if (tloc != NULL) + *tloc = sec; + return(sec); +} diff --git a/sys/boot/i386/libi386/i386_module.c b/sys/boot/i386/libi386/i386_module.c new file mode 100644 index 0000000..96eceb9 --- /dev/null +++ b/sys/boot/i386/libi386/i386_module.c @@ -0,0 +1,64 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +/* + * i386-specific module functionality. + * + */ + +#include <stand.h> +#include <string.h> + +#include "bootstrap.h" +#include "libi386.h" + +/* + * Look for a method and having found it, boot the kernel module. + */ +int +i386_boot(void) +{ + int i; + + for (i = 0; module_formats[i] != NULL; i++) { + if (((loaded_modules->m_flags & MF_FORMATMASK) == module_formats[i]->l_format) && + (module_formats[i]->l_exec != NULL)) { + return((module_formats[i]->l_exec)(loaded_modules)); + } + } +} + +/* + * Use voodoo to load modules required by current hardware. + */ +int +i386_autoload(void) +{ + /* XXX use PnP to locate stuff here */ + return(0); +} diff --git a/sys/boot/i386/libi386/libi386.h b/sys/boot/i386/libi386/libi386.h new file mode 100644 index 0000000..300fb35 --- /dev/null +++ b/sys/boot/i386/libi386/libi386.h @@ -0,0 +1,86 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + + +/* + * i386 fully-qualified device descriptor. + * Note, this must match the 'struct devdesc' declaration + * in bootstrap.h. + */ +struct i386_devdesc +{ + struct devsw *d_dev; + int d_type; + union + { + struct + { + int unit; + int slice; + int partition; + void *data; + } biosdisk; + struct + { + int unit; /* XXX net layer lives over these? */ + } netif; + } d_kind; +}; + +extern int i386_getdev(void **vdev, char *devspec, char **path); +extern char *i386_fmtdev(void *vdev); +extern int i386_setcurrdev(struct env_var *ev, int flags, void *value); + +extern struct devdesc currdev; /* our current device */ + +#define MAXDEV 31 /* maximum number of distinct devices */ + +/* exported devices XXX rename? */ +extern struct devsw biosdisk; + +/* from crt module */ +extern void vpbcopy(void*, vm_offset_t, int); +extern void pvbcopy(vm_offset_t, void*, int); +extern void pbzero(vm_offset_t, int); +extern vm_offset_t vtophys(void*); + +extern int pread(int, vm_offset_t, int); +extern void startprog(vm_offset_t, int, u_int32_t *, vm_offset_t); + +extern void delay(int); +extern int getbasemem(void); +extern int getextmem(void); + +extern void reboot(void); +extern void gateA20(void); + +extern int i386_boot(void); +extern int i386_autoload(void); + +extern int bi_getboothowto(char *kargs); +extern vm_offset_t bi_copyenv(vm_offset_t addr); diff --git a/sys/boot/i386/libi386/pread.c b/sys/boot/i386/libi386/pread.c new file mode 100644 index 0000000..36ffb01 --- /dev/null +++ b/sys/boot/i386/libi386/pread.c @@ -0,0 +1,79 @@ +/* + * $Id$ + * From: $NetBSD: pread.c,v 1.2 1997/03/22 01:48:38 thorpej Exp $ + */ + +/* + * Copyright (c) 1996 + * Matthias Drochner. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project + * by Matthias Drochner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* read into destination in flat addr space */ + +#include <stand.h> + +#include "libi386.h" + +#ifdef SAVE_MEMORY +#define BUFSIZE (1*1024) +#else +#define BUFSIZE (4*1024) +#endif + +static char buf[BUFSIZE]; + +int +pread(fd, dest, size) + int fd; + vm_offset_t dest; + int size; +{ + int rsize; + + rsize = size; + while (rsize > 0) { + int count, got; + + count = (rsize < BUFSIZE ? rsize : BUFSIZE); + + got = read(fd, buf, count); + if (got < 0) + return (-1); + + /* put to physical space */ + vpbcopy(buf, dest, got); + + dest += got; + rsize -= got; + if (got < count) + break; /* EOF */ + } + return (size - rsize); +} diff --git a/sys/boot/i386/libi386/startprog.S b/sys/boot/i386/libi386/startprog.S new file mode 100644 index 0000000..348341f --- /dev/null +++ b/sys/boot/i386/libi386/startprog.S @@ -0,0 +1,120 @@ +/* $NetBSD: startprog.S,v 1.1.1.1 1997/03/14 02:40:33 perry Exp $ */ + +/* starts program in protected mode / flat space + with given stackframe + needs global variables flatcodeseg and flatdataseg + (gdt offsets) + derivied from: NetBSD:sys/arch/i386/boot/asm.S + */ + +/* + * Ported to boot 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 + * + * Mach Operating System + * Copyright (c) 1992, 1991 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +/* + Copyright 1988, 1989, 1990, 1991, 1992 + by Intel Corporation, Santa Clara, California. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and +its documentation for any purpose and without fee is hereby +granted, provided that the above copyright notice appears in all +copies and that both the copyright notice and this permission notice +appear in supporting documentation, and that the name of Intel +not be used in advertising or publicity pertaining to distribution +of the software without specific, written prior permission. + +INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE +INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, +IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR +CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, +NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION +WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +#include <machine/asm.h> + +/* + * startprog(phyaddr,argc,argv,stack) + * start the program on protected mode where phyaddr is the entry point + */ +ENTRY(startprog) + pushl %ebp + movl %esp, %ebp + + # prepare a new stack + movl $flatdataseg, %ebx + movw %bx, %es # for arg copy + movl 20(%ebp), %eax # stack + subl $4,%eax + movl %eax, %edi + + # push some number of args onto the stack + movl 12(%ebp), %ecx # argc + + movl %ecx, %eax + decl %eax + shl $2, %eax + addl 16(%ebp), %eax # ptr to last arg + movl %eax, %esi + + std # backwards + rep + movsl + + cld # LynxOS depends on it + + movl 8(%ebp), %ecx # entry + + # set new stackptr (movsl decd sp 1 more -> dummy return address) + movw %bx, %ss + movl %edi, %esp + + # plug in a return address so that FreeBSD detects we are using + # bootinfo + movl $ourreturn, %eax + movl %eax, (%esp) + + # push on our entry address + movl $flatcodeseg, %ebx # segment + pushl %ebx + pushl %ecx #entry + + # convert over the other data segs + movl $flatdataseg, %ebx + movl %bx, %ds + movl %bx, %es + + # convert the PC (and code seg) + lret + +ourreturn: + /* For now there is not much we can do, just lock in a loop */ + jmp ourreturn + diff --git a/sys/boot/i386/libi386/vidconsole.c b/sys/boot/i386/libi386/vidconsole.c new file mode 100644 index 0000000..f8903a4 --- /dev/null +++ b/sys/boot/i386/libi386/vidconsole.c @@ -0,0 +1,199 @@ +/* + * Copyright (c) 1998 Michael Smith (msmith@freebsd.org) + * Copyright (c) 1997 Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp) + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * From Id: probe_keyboard.c,v 1.13 1997/06/09 05:10:55 bde Exp + * + * $Id$ + */ + +#include <stand.h> + +#include <machine/cpufunc.h> + +#include "bootstrap.h" + +/* in vidconsole.S */ +extern void vidputc(int c); +extern int kbdgetc(void); +extern int kbdiskey(void); + +static int probe_keyboard(void); +static void vidc_probe(struct console *cp); +static int vidc_init(int arg); +static int vidc_in(void); + +struct console vidconsole = { + "vidconsole", + "internal video/keyboard", + 0, + vidc_probe, + vidc_init, + vidputc, + vidc_in, + kbdiskey +}; + +static void +vidc_probe(struct console *cp) +{ + + /* look for a keyboard */ +#if 0 + if (probe_keyboard()) { +#else + if (1) { +#endif + cp->c_flags |= C_PRESENTIN; + } + + /* XXX for now, always assume we can do BIOS screen output */ + cp->c_flags |= C_PRESENTOUT; +} + +static int +vidc_init(int arg) +{ + return(0); /* XXX reinit? */ +} + +static int +vidc_in(void) +{ + if (kbdiskey()) { + return(kbdgetc()); + } else { + return(-1); + } +} + +#define PROBE_MAXRETRY 5 +#define PROBE_MAXWAIT 400 +#define IO_DUMMY 0x84 +#define IO_KBD 0x060 /* 8042 Keyboard */ + +/* selected defines from kbdio.h */ +#define KBD_STATUS_PORT 4 /* status port, read */ +#define KBD_DATA_PORT 0 /* data port, read/write + * also used as keyboard command + * and mouse command port + */ +#define KBDC_ECHO 0x00ee +#define KBDS_ANY_BUFFER_FULL 0x0001 +#define KBDS_INPUT_BUFFER_FULL 0x0002 +#define KBD_ECHO 0x00ee + +/* 7 microsec delay necessary for some keyboard controllers */ +static void +delay7(void) +{ + /* + * I know this is broken, but no timer is avaiable yet at this stage... + * See also comments in `delay1ms()'. + */ + inb(IO_DUMMY); inb(IO_DUMMY); + inb(IO_DUMMY); inb(IO_DUMMY); + inb(IO_DUMMY); inb(IO_DUMMY); +} + +/* + * This routine uses an inb to an unused port, the time to execute that + * inb is approximately 1.25uS. This value is pretty constant across + * all CPU's and all buses, with the exception of some PCI implentations + * that do not forward this I/O adress to the ISA bus as they know it + * is not a valid ISA bus address, those machines execute this inb in + * 60 nS :-(. + * + */ +static void +delay1ms(void) +{ + int i = 800; + while (--i >= 0) + (void)inb(0x84); +} + +/* + * We use the presence/absence of a keyboard to determine whether the internal + * console can be used for input. + * + * Perform a simple test on the keyboard; issue the ECHO command and see + * if the right answer is returned. We don't do anything as drastic as + * full keyboard reset; it will be too troublesome and take too much time. + */ +static int +probe_keyboard(void) +{ + int retry = PROBE_MAXRETRY; + int wait; + int i; + + while (--retry >= 0) { + /* flush any noise */ + while (inb(IO_KBD + KBD_STATUS_PORT) & KBDS_ANY_BUFFER_FULL) { + delay7(); + inb(IO_KBD + KBD_DATA_PORT); + delay1ms(); + } + + /* wait until the controller can accept a command */ + for (wait = PROBE_MAXWAIT; wait > 0; --wait) { + if (((i = inb(IO_KBD + KBD_STATUS_PORT)) + & (KBDS_INPUT_BUFFER_FULL | KBDS_ANY_BUFFER_FULL)) == 0) + break; + if (i & KBDS_ANY_BUFFER_FULL) { + delay7(); + inb(IO_KBD + KBD_DATA_PORT); + } + delay1ms(); + } + if (wait <= 0) + continue; + + /* send the ECHO command */ + outb(IO_KBD + KBD_DATA_PORT, KBDC_ECHO); + + /* wait for a response */ + for (wait = PROBE_MAXWAIT; wait > 0; --wait) { + if (inb(IO_KBD + KBD_STATUS_PORT) & KBDS_ANY_BUFFER_FULL) + break; + delay1ms(); + } + if (wait <= 0) + continue; + + delay7(); + i = inb(IO_KBD + KBD_DATA_PORT); +#ifdef PROBE_KBD_BEBUG + printf("probe_keyboard: got 0x%x.\n", i); +#endif + if (i == KBD_ECHO) { + /* got the right answer */ + return (0); + } + } + + return (1); +} diff --git a/sys/boot/i386/libi386/vidconsole_support.S b/sys/boot/i386/libi386/vidconsole_support.S new file mode 100644 index 0000000..2b11171 --- /dev/null +++ b/sys/boot/i386/libi386/vidconsole_support.S @@ -0,0 +1,103 @@ +/* $Id$ */ + +/* + * PC console handling + * originally from: FreeBSD:sys/i386/boot/netboot/start2.S via NetBSD + */ + +#include <machine/asm.h> + +#define data32 .byte 0x66 + + .text + +/************************************************************************** +PUTC - Print a character +**************************************************************************/ +ENTRY(vidputc) + push %ebp + mov %esp,%ebp + push %ecx + push %ebx + push %esi + push %edi + + movb 8(%ebp),%cl + + call CNAME(prot_to_real) # enter real mode + + movb %cl,%al + data32 + mov $1,%ebx + movb $0x0e,%ah + int $0x10 + + data32 + call CNAME(real_to_prot) # back to protected mode + + pop %edi + pop %esi + pop %ebx + pop %ecx + pop %ebp + ret + +/************************************************************************** +GETC - Get a character +**************************************************************************/ +ENTRY(kbdgetc) + push %ebp + mov %esp,%ebp + push %ebx + push %esi + push %edi + + call CNAME(prot_to_real) # enter real mode + + movb $0x0,%ah + int $0x16 + movb %al,%bl + + data32 + call CNAME(real_to_prot) # back to protected mode + + xor %eax,%eax + movb %bl,%al + + pop %edi + pop %esi + pop %ebx + pop %ebp + ret + +/************************************************************************** +ISKEY - Check for keyboard interrupt +**************************************************************************/ +ENTRY(kbdiskey) + push %ebp + mov %esp,%ebp + push %ebx + push %esi + push %edi + + call CNAME(prot_to_real) # enter real mode + + xor %ebx,%ebx + movb $0x1,%ah + int $0x16 + data32 + jz 1f + movb %al,%bl +1: + + data32 + call CNAME(real_to_prot) # back to protected mode + + xor %eax,%eax + movb %bl,%al + + pop %edi + pop %esi + pop %ebx + pop %ebp + ret diff --git a/sys/boot/i386/loader/Makefile b/sys/boot/i386/loader/Makefile new file mode 100644 index 0000000..614656e --- /dev/null +++ b/sys/boot/i386/loader/Makefile @@ -0,0 +1,36 @@ +# $Id$ +# from $NetBSD: Makefile,v 1.12 1998/02/19 14:18:36 drochner Exp $ + +BASE= loader +PROG= ${BASE}.sym +NOMAN= +NEWVERSWHAT= "bootstrap loader" + +# architecture-specific loader code +SRCS+= main.c conf.c + +# Always add MI sources +.PATH: ${.CURDIR}/../../common +.include <${.CURDIR}/../../common/Makefile.inc> +CFLAGS+= -I${.CURDIR}/../../common +# Verbose ls causes extra heap usage +CFLAGS+= -DVERBOSE_LS + +CLEANFILES+= vers.c vers.o ${BASE}.list + +CFLAGS+= -Wall + +# i386 standalone support library +LIBI386= ${.OBJDIR}/../libi386/libi386.a +CFLAGS+= -I${.CURDIR}/.. +CRT= ${.OBJDIR}/../libi386/crt/bootsect/bscrt.o + +vers.o: + sh ${.CURDIR}/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT} + ${CC} -c vers.c + +${BASE}.sym: ${OBJS} ${LIBI386} ${CRT} vers.o + ${LD} -o ${BASE}.sym -M -e _start -N -Ttext 0 ${CRT} ${OBJS} \ + vers.o -lstand ${LIBI386} -lstand >${.OBJDIR}/${BASE}.list + +.include <bsd.prog.mk> diff --git a/sys/boot/i386/loader/conf.c b/sys/boot/i386/loader/conf.c new file mode 100644 index 0000000..e172c7f --- /dev/null +++ b/sys/boot/i386/loader/conf.c @@ -0,0 +1,85 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include <stand.h> +#include <bootstrap.h> +#include "libi386/libi386.h" + +/* + * We could use linker sets for some or all of these, but + * then we would have to control what ended up linked into + * the bootstrap. So it's easier to conditionalise things + * here. + * + * XXX rename these arrays to be consistent and less namespace-hostile + * + * XXX as libi386 and biosboot merge, some of these can become linker sets. + */ + +/* Exported for libstand */ +struct devsw *devsw[] = { + &biosdisk, + /* XXX network devices? */ + NULL +}; + +struct fs_ops *file_system[] = { + &ufs_fsops, +#if notyet + &dosfs_fsops, +#endif + &zipfs_fsops, + NULL +}; + +/* Exported for i386 only */ +/* + * Sort formats so that those that can detect based on arguments + * rather than reading the file go first. + */ +extern struct module_format i386_aout; + +struct module_format *module_formats[] = { + &i386_aout, + NULL +}; + +/* + * Consoles + * + * We don't prototype these in libi386.h because they require + * data structures from bootstrap.h as well. + */ +extern struct console vidconsole; +extern struct console comconsole; + +struct console *consoles[] = { + &vidconsole, + &comconsole, + NULL +}; diff --git a/sys/boot/i386/loader/main.c b/sys/boot/i386/loader/main.c new file mode 100644 index 0000000..ac8bf82 --- /dev/null +++ b/sys/boot/i386/loader/main.c @@ -0,0 +1,156 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +/* + * MD bootstrap main() and assorted miscellaneous + * commands. + */ + +#include <stand.h> +#include <string.h> + +#include "bootstrap.h" +#include "libi386/libi386.h" + +extern int boot_biosdev; /* from runtime startup */ + +struct arch_switch archsw; /* MI/MD interface boundary */ + +/* from vers.c */ +extern char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[]; + +/* XXX debugging */ +#include "libi386/crt/diskbuf.h" +extern char stackbase, stacktop; +extern char end[]; + +void +main(void) +{ + struct i386_devdesc currdev; + int i; + + /* + * Initialise the heap as early as possible. Once this is done, alloc() is usable. + * The stack is buried inside us, so this is safe + */ + setheap((void *)end, (void *)(end + 0x80000)); + + /* + * XXX Chicken-and-egg problem; we want to have console output early, but some + * console attributes may depend on reading from eg. the boot device, which we + * can't do yet. + * + * We can use printf() etc. once this is done. + */ + cons_probe(); + + /* + * March through the device switch probing for things. + */ + for (i = 0; devsw[i] != NULL; i++) + if (devsw[i]->dv_init != NULL) + (devsw[i]->dv_init)(); + + printf("\n"); + printf("%s, Revision %s\n", bootprog_name, bootprog_rev); + printf("(%s, %s)\n", bootprog_maker, bootprog_date); + printf("memory: %d/%dkB\n", getbasemem(), getextmem()); +#if 0 + printf("diskbuf at %p, %d sectors\n", &diskbuf, diskbuf_size); + printf("using %d bytes of stack at %p\n", (&stacktop - &stackbase), &stacktop); +#endif + + /* We're booting from a BIOS disk, try to spiff this */ + currdev.d_dev = devsw[0]; /* XXX presumes that biosdisk is first in devsw */ + currdev.d_type = currdev.d_dev->dv_type; + currdev.d_kind.biosdisk.unit = boot_biosdev; + currdev.d_kind.biosdisk.slice = -1; /* XXX should be able to detect this, default to autoprobe */ + currdev.d_kind.biosdisk.partition = 0; /* default to 'a' */ + + /* Create i386-specific variables */ + + env_setenv("currdev", EV_VOLATILE, i386_fmtdev(&currdev), i386_setcurrdev, env_nounset); + env_setenv("loaddev", EV_VOLATILE, i386_fmtdev(&currdev), env_noset, env_nounset); + setenv("LINES", "24", 1); /* optional */ + + archsw.arch_autoload = i386_autoload; + archsw.arch_boot = i386_boot; + archsw.arch_getdev = i386_getdev; + /* + * XXX should these be in the MI source? + */ + source("/boot/boot.conf"); +#if 0 + legacy_config(); /* read old /boot.config file */ +#endif + printf("\n"); + autoboot(10, NULL); /* try to boot automatically */ + printf("\nType '?' for a list of commands, 'help' for more detailed help.\n"); + setenv("prompt", "$currdev>", 1); + + interact(); /* doesn't return */ +} + +COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot); + +static int +command_reboot(int argc, char *argv[]) +{ + + printf("Rebooting...\n"); + delay(1000000); + reboot(); + /* Note: we shouldn't get to this point! */ + panic("Reboot failed!"); + exit(0); +} + +COMMAND_SET(stack, "stack", "show stack usage", command_stack); + +static int +command_stack(int argc, char *argv[]) +{ + char *cp; + + for (cp = &stackbase; cp < &stacktop; cp++) + if (*cp != 0) + break; + + printf("%d bytes of stack used\n", &stacktop - cp); + return(CMD_OK); +} + +COMMAND_SET(heap, "heap", "show heap usage", command_heap); + +static int +command_heap(int argc, char *argv[]) +{ + printf("heap base at %p, top at %p, used %d\n", end, sbrk(0), sbrk(0) - end); + return(CMD_OK); +} diff --git a/sys/boot/i386/loader/newvers.sh b/sys/boot/i386/loader/newvers.sh new file mode 100755 index 0000000..9330575 --- /dev/null +++ b/sys/boot/i386/loader/newvers.sh @@ -0,0 +1,44 @@ +#!/bin/sh - +# +# $NetBSD: newvers.sh,v 1.1 1997/07/26 01:50:38 thorpej Exp $ +# +# Copyright (c) 1984, 1986, 1990, 1993 +# The Regents of the University of California. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. All advertising materials mentioning features or use of this software +# must display the following acknowledgement: +# This product includes software developed by the University of +# California, Berkeley and its contributors. +# 4. Neither the name of the University nor the names of its contributors +# may be used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# @(#)newvers.sh 8.1 (Berkeley) 4/20/94 + +u=${USER-root} h=`hostname` t=`date` +r=`head -n 6 $1 | tail -n 1 | awk -F: ' { print $1 } '` + +echo "char bootprog_name[] = \"FreeBSD/i386 ${2}\";" > vers.c +echo "char bootprog_rev[] = \"${r}\";" >> vers.c +echo "char bootprog_date[] = \"${t}\";" >> vers.c +echo "char bootprog_maker[] = \"${u}@${h}\";" >> vers.c diff --git a/sys/boot/i386/loader/version b/sys/boot/i386/loader/version new file mode 100644 index 0000000..df29e4e --- /dev/null +++ b/sys/boot/i386/loader/version @@ -0,0 +1,7 @@ +$Id$ + +NOTE ANY CHANGES YOU MAKE TO THE BOOTBLOCKS HERE. The format of this +file is important. Make sure the current version number is on line 6. + +0.1: Initial i386 version, inspiration and some structure from the + NetBSD version. |
