diff options
author | obrien <obrien@FreeBSD.org> | 2002-03-28 02:56:05 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2002-03-28 02:56:05 +0000 |
commit | d6e11fba687af94af47813e31bb9871a9ebc3eea (patch) | |
tree | a559ec93cc76bea120e245fe66690d81f9e3043e /sys/boot/sparc64 | |
parent | 2b3966937742f46b99db6f20f58acc595b080d83 (diff) | |
download | FreeBSD-src-d6e11fba687af94af47813e31bb9871a9ebc3eea.zip FreeBSD-src-d6e11fba687af94af47813e31bb9871a9ebc3eea.tar.gz |
was repocopied to ../boot1
Diffstat (limited to 'sys/boot/sparc64')
-rw-r--r-- | sys/boot/sparc64/bootblock/Makefile | 19 | ||||
-rw-r--r-- | sys/boot/sparc64/bootblock/bootblock.c | 750 |
2 files changed, 0 insertions, 769 deletions
diff --git a/sys/boot/sparc64/bootblock/Makefile b/sys/boot/sparc64/bootblock/Makefile deleted file mode 100644 index 8f6bf7d..0000000 --- a/sys/boot/sparc64/bootblock/Makefile +++ /dev/null @@ -1,19 +0,0 @@ -# $FreeBSD$ - -BOOTBLOCKBASE= 0x4000 - -CFLAGS= -W -Wall -I../../ -I../../common/ -Os \ - -DBOOTBLOCKBASE=${BOOTBLOCKBASE} \ - -ffreestanding -mno-app-regs -mcmodel=medlow -OBJ= bootblock.o - -all: bootblock - -bootblock.o: bootblock.c - ${CC} ${CFLAGS} -c -o ${.TARGET} ${.ALLSRC} - -bootblock: ${OBJ} - ${LD} -N -Ttext ${BOOTBLOCKBASE} -e main -o bootblock ${OBJ} - /usr/local/bin/elftoaout bootblock -clean: - rm -f *.o bootblock diff --git a/sys/boot/sparc64/bootblock/bootblock.c b/sys/boot/sparc64/bootblock/bootblock.c deleted file mode 100644 index 0ab2397..0000000 --- a/sys/boot/sparc64/bootblock/bootblock.c +++ /dev/null @@ -1,750 +0,0 @@ -/* - * Copyright (c) 1998 Robert Nordier - * All rights reserved. - * Copyright (c) 2001 Robert Drehmel - * All rights reserved. - * - * Redistribution and use in source and binary forms are freely - * permitted provided that the above copyright notice and this - * paragraph and the following disclaimer are duplicated in all - * such forms. - * - * This software is provided "AS IS" and without any express or - * implied warranties, including, without limitation, the implied - * warranties of merchantability and fitness for a particular - * purpose. - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/reboot.h> -#include <sys/diskslice.h> -#include <sys/disklabel.h> -#include <sys/dirent.h> -#include <machine/elf.h> -#include <machine/stdarg.h> - -#include <ufs/ffs/fs.h> -#include <ufs/ufs/dinode.h> - -#include <a.out.h> - -#define RBX_ASKNAME 0x0 /* -a */ -#define RBX_SINGLE 0x1 /* -s */ -#define RBX_DFLTROOT 0x5 /* -r */ -#define RBX_KDB 0x6 /* -d */ -#define RBX_CONFIG 0xa /* -c */ -#define RBX_VERBOSE 0xb /* -v */ -#define RBX_CDROM 0xd /* -C */ -#define RBX_GDB 0xf /* -g */ - -#define RBX_MASK 0x2000ffff - -#define PATH_CONFIG "/boot.config" -#define PATH_LOADER "/boot/loader" -#define PATH_KERNEL "/kernel" - -#define ARGS 0x900 -#define NOPT 11 -#define BSIZEMAX 8192 -#define NDEV 5 - -#define TYPE_AD 0 -#define TYPE_WD 1 -#define TYPE_WFD 2 -#define TYPE_FD 3 -#define TYPE_DA 4 - -/* - * This structure will be refined along with the addition of a bootpath - * parsing routine when it is necessary to cope with bootpaths that are - * not in the exact <devpath>@<controller>,<disk>:<partition> format and - * for which we need to evaluate the disklabel ourselves. - */ -struct disk { - int meta; -}; -struct disk dsk; - -extern uint32_t _end; - -static const char optstr[NOPT] = "aCcgrsv"; -static const unsigned char flags[NOPT] = { - RBX_ASKNAME, - RBX_CDROM, - RBX_CONFIG, - RBX_GDB, - RBX_DFLTROOT, - RBX_SINGLE, - RBX_VERBOSE -}; - -static char cmd[512]; /* command to parse */ -static char bname[1024]; /* name of the binary to load */ -static uint32_t opts; -static int ls; -static uint32_t fs_off; - -int main(void); -void exit(int); -static void load(const char *); -static int parse(char *); -static ino_t lookup(const char *); -static int xfsread(ino_t, void *, size_t); -static ssize_t fsread(ino_t, void *, size_t); -static int dskread(void *, u_int64_t, int); -static int printf(const char *, ...); -static int putchar(int); -static int keyhit(unsigned int); -static int getc(void); - -static void *memcpy(void *, const void *, size_t); -static void *memset(void *, int, size_t); -static void *malloc(size_t); - -/* - * Open Firmware interface functions - */ -typedef u_int64_t ofwcell_t; -typedef int32_t ofwh_t; -typedef u_int32_t u_ofwh_t; -typedef int (*ofwfp_t)(ofwcell_t []); -ofwfp_t ofw; /* the prom Open Firmware entry */ - -void ofw_init(int, int, int, int, ofwfp_t); -ofwh_t ofw_finddevice(const char *); -ofwh_t ofw_open(const char *); -int ofw_getprop(ofwh_t, const char *, void *, size_t); -int ofw_read(ofwh_t, void *, size_t); -int ofw_write(ofwh_t, const void *, size_t); -int ofw_seek(ofwh_t, u_int64_t); - -ofwh_t bootdevh; -ofwh_t stdinh, stdouth; -char bootpath[64]; - -/* - * This has to stay here, as the PROM seems to ignore the - * entry point specified in the a.out header. (or elftoaout is broken) - */ - -void -ofw_init(int d, int d1, int d2, int d3, ofwfp_t ofwaddr) -{ - ofwh_t chosenh; - - ofw = ofwaddr; - - chosenh = ofw_finddevice("/chosen"); - ofw_getprop(chosenh, "stdin", &stdinh, sizeof(stdinh)); - ofw_getprop(chosenh, "stdout", &stdouth, sizeof(stdouth)); - ofw_getprop(chosenh, "bootpath", bootpath, sizeof(bootpath)); - - if ((bootdevh = ofw_open(bootpath)) == -1) { - printf("Could not open boot device.\n"); - } - - main(); - d = d1 = d2 = d3; /* make GCC happy */ -} - -ofwh_t -ofw_finddevice(const char *name) -{ - ofwcell_t args[] = { - (ofwcell_t)"finddevice", - 1, - 1, - (ofwcell_t)name, - 0 - }; - - if ((*ofw)(args)) { - printf("ofw_finddevice: name=\"%s\"\n", name); - return (1); - } - return (args[4]); -} - -int -ofw_getprop(ofwh_t ofwh, const char *name, void *buf, size_t len) -{ - ofwcell_t args[] = { - (ofwcell_t)"getprop", - 4, - 1, - (u_ofwh_t)ofwh, - (ofwcell_t)name, - (ofwcell_t)buf, - len, - 0 - }; - - if ((*ofw)(args)) { - printf("ofw_getprop: ofwh=0x%x buf=%p len=%u\n", - ofwh, buf, len); - return (1); - } - return (0); -} - -ofwh_t -ofw_open(const char *path) -{ - ofwcell_t args[] = { - (ofwcell_t)"open", - 1, - 1, - (ofwcell_t)path, - 0 - }; - - if ((*ofw)(args)) { - printf("ofw_open: path=\"%s\"\n", path); - return (-1); - } - return (args[4]); -} - -int -ofw_close(ofwh_t devh) -{ - ofwcell_t args[] = { - (ofwcell_t)"close", - 1, - 0, - (u_ofwh_t)devh - }; - - if ((*ofw)(args)) { - printf("ofw_close: devh=0x%x\n", devh); - return (1); - } - return (0); -} - -int -ofw_read(ofwh_t devh, void *buf, size_t len) -{ - ofwcell_t args[] = { - (ofwcell_t)"read", - 4, - 1, - (u_ofwh_t)devh, - (ofwcell_t)buf, - len, - 0 - }; - - if ((*ofw)(args)) { - printf("ofw_read: devh=0x%x buf=%p len=%u\n", devh, buf, len); - return (1); - } - return (0); -} - -int -ofw_write(ofwh_t devh, const void *buf, size_t len) -{ - ofwcell_t args[] = { - (ofwcell_t)"write", - 3, - 1, - (u_ofwh_t)devh, - (ofwcell_t)buf, - len, - 0 - }; - - if ((*ofw)(args)) { - printf("ofw_write: devh=0x%x buf=%p len=%u\n", devh, buf, len); - return (1); - } - return (0); -} - -int -ofw_seek(ofwh_t devh, u_int64_t off) -{ - ofwcell_t args[] = { - (ofwcell_t)"seek", - 4, - 1, - (u_ofwh_t)devh, - off >> 32, - off, - 0 - }; - - if ((*ofw)(args)) { - printf("ofw_seek: devh=0x%x off=0x%lx\n", devh, off); - return (1); - } - return (0); -} - -static void -readfile(const char *fname, void *buf, size_t size) -{ - ino_t ino; - - if ((ino = lookup(fname))) - fsread(ino, buf, size); -} - -static int -strcmp(const char *s1, const char *s2) -{ - for (; *s1 == *s2 && *s1; s1++, s2++) - ; - return ((u_char)*s1 - (u_char)*s2); -} - -static void * -memset(void *dst, int val, size_t len) -{ - void *ret; - - ret = dst; - while (len) { - *((char *)dst)++ = val; - len--; - } - return (ret); -} - -static int -fsfind(const char *name, ino_t * ino) -{ - char buf[DEV_BSIZE]; - struct dirent *d; - char *s; - ssize_t n; - - fs_off = 0; - while ((n = fsread(*ino, buf, DEV_BSIZE)) > 0) { - for (s = buf; s < buf + DEV_BSIZE;) { - d = (void *)s; - if (ls) - printf("%s ", d->d_name); - else if (!strcmp(name, d->d_name)) { - *ino = d->d_fileno; - return (d->d_type); - } - s += d->d_reclen; - } - } - if (n != -1 && ls) - putchar('\n'); - return (0); -} - -static int -getchar(void) -{ - int c; - - c = getc(); - if (c == '\r') - c = '\n'; - return (c); -} - -static void -getstr(char *str, int size) -{ - char *s; - int c; - - s = str; - do { - switch (c = getchar()) { - case 0: - break; - case '\b': - case '\177': - if (s > str) { - s--; - putchar('\b'); - putchar(' '); - } else - c = 0; - break; - case '\n': - *s = 0; - break; - default: - if (s - str < size - 1) - *s++ = c; - } - if (c) - putchar(c); - } while (c != '\n'); -} - -static void -putc(int c) -{ - char d; - - d = c; - ofw_write(stdouth, &d, 1); -} - -int main(void) -{ - readfile(PATH_CONFIG, cmd, sizeof(cmd)); - if (cmd[0] != '\0') { - printf("%s: %s", PATH_CONFIG, cmd); - if (parse(cmd)) - cmd[0] = '\0'; - } - if (bname[0] == '\0') - memcpy(bname, PATH_LOADER, sizeof(PATH_LOADER)); - - printf(" \n>> FreeBSD/sparc64 boot block\n" - " Boot path: %s\n" - " Boot loader: %s\n", bootpath, PATH_LOADER); - load(bname); - return (1); -} - -static void -load(const char *fname) -{ - Elf64_Ehdr eh; - Elf64_Phdr ep[2]; - Elf64_Shdr es[2]; - caddr_t p; - ino_t ino; - vm_offset_t entry; - int i, j; - - if ((ino = lookup(fname)) == 0) { - if (!ls) - printf("File %s not found\n", fname); - return; - } - if (xfsread(ino, &eh, sizeof(eh))) - return; - if (!IS_ELF(eh)) { - printf("Not an ELF file\n"); - return; - } - fs_off = eh.e_phoff; - for (j = i = 0; i < eh.e_phnum && j < 2; i++) { - if (xfsread(ino, ep + j, sizeof(ep[0]))) - return; - if (ep[j].p_type == PT_LOAD) - j++; - } - for (i = 0; i < j; i++) { - p = (caddr_t)ep[i].p_vaddr; - fs_off = ep[i].p_offset; - if (xfsread(ino, p, ep[i].p_filesz)) - return; - /* - * Assume the second program header table entry - * to contain data and bss. Clear out the .bss section. - */ - if (i == 1) { - memset(p + ep[i].p_filesz, 0, - ep[i].p_memsz - ep[i].p_filesz); - } - } - p += roundup2(ep[1].p_memsz, PAGE_SIZE); - if (eh.e_shnum == eh.e_shstrndx + 3) { - fs_off = eh.e_shoff + sizeof(es[0]) * (eh.e_shstrndx + 1); - if (xfsread(ino, &es, sizeof(es))) - return; - for (i = 0; i < 2; i++) { - memcpy(p, &es[i].sh_size, sizeof(es[i].sh_size)); - p += sizeof(es[i].sh_size); - fs_off = es[i].sh_offset; - if (xfsread(ino, p, es[i].sh_size)) - return; - p += es[i].sh_size; - } - } - entry = eh.e_entry; - ofw_close(bootdevh); - (*(void (*)(int, int, int, int, ofwfp_t))entry)(0, 0, 0, 0, ofw); -} - -static int -parse(char *arg) -{ - char *p; - int c, i; - - while ((c = *arg++)) { - if (c == ' ' || c == '\t' || c == '\n') - continue; - for (p = arg; *p && *p != '\n' && *p != ' ' && *p != '\t'; p++) - ; - if (*p) - *p++ = 0; - if (c == '-') { - while ((c = *arg++)) { - for (i = 0; c != optstr[i]; i++) - if (i == NOPT - 1) - return (-1); - opts ^= 1 << flags[i]; - } - } - arg = p; - } - return (0); -} - -static ino_t -lookup(const char *path) -{ - char name[MAXNAMLEN + 1]; - const char *s; - ino_t ino; - ssize_t n; - int dt; - - ino = ROOTINO; - dt = DT_DIR; - name[0] = '/'; - name[1] = '\0'; - for (;;) { - if (*path == '/') - path++; - if (!*path) - break; - for (s = path; *s && *s != '/'; s++) - ; - if ((n = s - path) > MAXNAMLEN) - return (0); - ls = *path == '?' && n == 1 && !*s; - memcpy(name, path, n); - name[n] = 0; - if (dt != DT_DIR) { - printf("%s: not a directory.\n", name); - return (0); - } - if ((dt = fsfind(name, &ino)) <= 0) - break; - path = s; - } - return (dt == DT_REG ? ino : 0); -} - -static int -xfsread(ino_t inode, void *buf, size_t nbyte) -{ - if (fsread(inode, buf, nbyte) != (ssize_t)nbyte) { - printf("Invalid %s\n", "format"); - return (-1); - } - return (0); -} - -static ssize_t -fsread(ino_t inode, void *buf, size_t nbyte) -{ - static struct fs fs; - static struct dinode din; - static char *blkbuf; - static ufs_daddr_t *indbuf; - static ino_t inomap; - static ufs_daddr_t blkmap, indmap; - static unsigned int fsblks; - char *s; - ufs_daddr_t lbn, addr; - size_t n, nb, off; - - if (!dsk.meta) { - if (!blkbuf) - blkbuf = malloc(BSIZEMAX); - inomap = 0; - if (dskread(blkbuf, SBOFF / DEV_BSIZE, SBSIZE / DEV_BSIZE)) - return (-1); - memcpy(&fs, blkbuf, sizeof(fs)); - if (fs.fs_magic != FS_MAGIC) { - printf("Not ufs\n"); - return (-1); - } - fsblks = fs.fs_bsize >> DEV_BSHIFT; - dsk.meta++; - } - if (!inode) - return (0); - if (inomap != inode) { - if (dskread(blkbuf, fsbtodb(&fs, ino_to_fsba(&fs, inode)), - fsblks)) - return (-1); - din = ((struct dinode *)blkbuf)[inode % INOPB(&fs)]; - inomap = inode; - fs_off = 0; - blkmap = indmap = 0; - } - s = buf; - if (nbyte > (n = din.di_size - fs_off)) - nbyte = n; - nb = nbyte; - while (nb) { - lbn = lblkno(&fs, fs_off); - if (lbn < NDADDR) - addr = din.di_db[lbn]; - else { - if (indmap != din.di_ib[0]) { - if (!indbuf) - indbuf = malloc(BSIZEMAX); - if (dskread(indbuf, fsbtodb(&fs, din.di_ib[0]), - fsblks)) - return (-1); - indmap = din.di_ib[0]; - } - addr = indbuf[(lbn - NDADDR) % NINDIR(&fs)]; - } - n = dblksize(&fs, &din, lbn); - if (blkmap != addr) { - if (dskread(blkbuf, fsbtodb(&fs, addr), - n >> DEV_BSHIFT)) { - return (-1); - } - blkmap = addr; - } - off = blkoff(&fs, fs_off); - n -= off; - if (n > nb) - n = nb; - memcpy(s, blkbuf + off, n); - s += n; - fs_off += n; - nb -= n; - } - return (nbyte); -} - -static int -dskread(void *buf, u_int64_t lba, int nblk) -{ - /* - * The OpenFirmware should open the correct partition for us. - * That means, if we read from offset zero on an open instance handle, - * we should read from offset zero of that partition. - */ - ofw_seek(bootdevh, lba * DEV_BSIZE); - ofw_read(bootdevh, buf, nblk * DEV_BSIZE); - return (0); -} - -static int -printf(const char *fmt,...) -{ - static const char digits[16] = "0123456789abcdef"; - va_list ap; - char buf[10]; - char *s; - unsigned long int r, u; - int c, longp; - - va_start(ap, fmt); - longp = 0; - while ((c = *fmt++)) { - if (c == '%' || longp) { - if (c == '%') - c = *fmt++; - switch (c) { - case 'c': - if (longp) - break; - putchar(va_arg(ap, int)); - continue; - case 's': - if (longp) - break; - for (s = va_arg(ap, char *); *s; s++) - putchar(*s); - continue; - case 'p': - if (longp) - break; - if (c == 'p') { - putchar('0'); - putchar('x'); - } - case 'u': - case 'x': - r = c == 'u' ? 10U : 16U; - u = (c == 'p' || longp) ? - va_arg(ap, unsigned long) : - va_arg(ap, unsigned int); - s = buf; - do - *s++ = digits[u % r]; - while (u /= r); - while (--s >= buf) - putchar(*s); - longp = 0; - continue; - case 'l': - if (longp) - break; - longp = 1; - continue; - } - longp = 0; - } - putchar(c); - } - va_end(ap); - return (0); -} - -static int -putchar(int c) -{ - if (c == '\n') - putc('\r'); - putc(c); - return (c); -} - -static void * -memcpy(void *dst, const void *src, size_t size) -{ - const char *s; - char *d; - - for (d = dst, s = src; size; size--) - *d++ = *s++; - return (dst); -} - -static void * -malloc(size_t size) -{ - static vm_offset_t next = 0x10000; - void *p; - - if (size & 0xf) - size = (size + 0xf) & ~0xf; - p = (void *)next; - next += size; - return (p); -} - -static int -keyhit(unsigned int ticks) -{ - /* XXX */ - return (0); - ticks = ticks; /* make GCC happy */ -} - -static int -getc(void) -{ - char c; - ofw_read(stdinh, &c, 1); - return (c); -} |