diff options
| -rw-r--r-- | sys/boot/amd64/Makefile | 2 | ||||
| -rw-r--r-- | sys/boot/amd64/boot1.efi/Makefile | 86 | ||||
| -rw-r--r-- | sys/boot/amd64/boot1.efi/Makefile.fat | 3 | ||||
| -rw-r--r-- | sys/boot/amd64/boot1.efi/boot1.c | 531 | ||||
| -rw-r--r-- | sys/boot/amd64/boot1.efi/fat.tmpl.bz2.uu | 22 | ||||
| -rwxr-xr-x | sys/boot/amd64/boot1.efi/generate-fat.sh | 54 |
6 files changed, 697 insertions, 1 deletions
diff --git a/sys/boot/amd64/Makefile b/sys/boot/amd64/Makefile index d0013fa..59940e9 100644 --- a/sys/boot/amd64/Makefile +++ b/sys/boot/amd64/Makefile @@ -2,6 +2,6 @@ .include <bsd.own.mk> -SUBDIR= efi +SUBDIR= efi boot1.efi .include <bsd.subdir.mk> diff --git a/sys/boot/amd64/boot1.efi/Makefile b/sys/boot/amd64/boot1.efi/Makefile new file mode 100644 index 0000000..0307ca7 --- /dev/null +++ b/sys/boot/amd64/boot1.efi/Makefile @@ -0,0 +1,86 @@ +# $FreeBSD$ + +NO_MAN= + +.include <bsd.own.mk> + +# In-tree GCC does not support __attribute__((ms_abi)). +.if ${COMPILER_TYPE} != "gcc" + +MK_SSP= no + +PROG= loader.sym +INTERNALPROG= + +# architecture-specific loader code +SRCS= boot1.c reloc.c start.S + +CFLAGS+= -fPIC +CFLAGS+= -I. +CFLAGS+= -I${.CURDIR}/../../efi/include +CFLAGS+= -I${.CURDIR}/../../efi/include/${MACHINE_CPUARCH} +CFLAGS+= -I${.CURDIR}/../../../contrib/dev/acpica/include +CFLAGS+= -I${.CURDIR}/../../.. + +# Always add MI sources and REGULAR efi loader bits +.PATH: ${.CURDIR}/../efi ${.CURDIR}/../../common +CFLAGS+= -I${.CURDIR}/../../common + +FILES= boot1.efi boot1.efifat +FILESMODE_boot1.efi= ${BINMODE} + +LDSCRIPT= ${.CURDIR}/../efi/ldscript.${MACHINE_CPUARCH} +LDFLAGS= -Wl,-T${LDSCRIPT} -Wl,-Bsymbolic -shared -Wl,-znocombreloc + +${PROG}: ${LDSCRIPT} + +OBJCOPY?= objcopy +OBJDUMP?= objdump + +.if ${MACHINE_CPUARCH} == "amd64" +EFI_TARGET= efi-app-x86_64 +.else +EFI_TARGET= efi-app-ia32 +.endif + +boot1.efi: loader.sym + if [ `${OBJDUMP} -t ${.ALLSRC} | fgrep '*UND*' | wc -l` != 0 ]; then \ + ${OBJDUMP} -t ${.ALLSRC} | fgrep '*UND*'; \ + exit 1; \ + fi + ${OBJCOPY} -j .text -j .sdata -j .data \ + -j .dynamic -j .dynsym -j .rel.dyn \ + -j .rela.dyn -j .reloc -j .eh_frame -j set_Xcommand_set \ + --target=${EFI_TARGET} ${.ALLSRC} ${.TARGET} + +CFLAGS+= -I${.CURDIR}/../../common + +boot1.o: ${.CURDIR}/../../common/ufsread.c + +# The following inserts out objects into a template FAT file system +# created by generate-fat.sh + +.include "${.CURDIR}/Makefile.fat" + +boot1.efifat: boot1.efi + echo ${.OBJDIR} + uudecode ${.CURDIR}/fat.tmpl.bz2.uu + mv fat.tmpl.bz2 ${.TARGET}.bz2 + bzip2 -f -d ${.TARGET}.bz2 + dd if=boot1.efi of=${.TARGET} seek=${BOOT1_OFFSET} conv=notrunc + +CLEANFILES= boot1.efifat + +.endif # ${COMPILER_TYPE} != "gcc" + +.include <bsd.prog.mk> + +beforedepend ${OBJS}: machine x86 + +CLEANFILES+= machine x86 boot1.efi + +machine: + ln -sf ${.CURDIR}/../../../amd64/include machine + +x86: + ln -sf ${.CURDIR}/../../../x86/include x86 diff --git a/sys/boot/amd64/boot1.efi/Makefile.fat b/sys/boot/amd64/boot1.efi/Makefile.fat new file mode 100644 index 0000000..324481e --- /dev/null +++ b/sys/boot/amd64/boot1.efi/Makefile.fat @@ -0,0 +1,3 @@ +# This file autogenerated by generate-fat.sh - DO NOT EDIT +# $FreeBSD$ +BOOT1_OFFSET=0x2d diff --git a/sys/boot/amd64/boot1.efi/boot1.c b/sys/boot/amd64/boot1.efi/boot1.c new file mode 100644 index 0000000..8661f05 --- /dev/null +++ b/sys/boot/amd64/boot1.efi/boot1.c @@ -0,0 +1,531 @@ +/*- + * Copyright (c) 1998 Robert Nordier + * All rights reserved. + * Copyright (c) 2001 Robert Drehmel + * All rights reserved. + * Copyright (c) 2014 Nathan Whitehorn + * 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/dirent.h> +#include <machine/elf.h> +#include <machine/stdarg.h> + +#include <efi.h> + +#define _PATH_LOADER "/boot/loader.efi" +#define _PATH_KERNEL "/boot/kernel/kernel" + +#define BSIZEMAX 16384 + +typedef int putc_func_t(char c, void *arg); + +struct sp_data { + char *sp_buf; + u_int sp_len; + u_int sp_size; +}; + +static const char digits[] = "0123456789abcdef"; + +static void panic(const char *fmt, ...) __dead2; +static int printf(const char *fmt, ...); +static int putchar(char c, void *arg); +static int vprintf(const char *fmt, va_list ap); +static int vsnprintf(char *str, size_t sz, const char *fmt, va_list ap); + +static int __printf(const char *fmt, putc_func_t *putc, void *arg, va_list ap); +static int __putc(char c, void *arg); +static int __puts(const char *s, putc_func_t *putc, void *arg); +static int __sputc(char c, void *arg); +static char *__uitoa(char *buf, u_int val, int base); +static char *__ultoa(char *buf, u_long val, int base); + +static int domount(EFI_DEVICE_PATH *device, EFI_BLOCK_IO *blkio, int quiet); +static void load(const char *fname); + +EFI_SYSTEM_TABLE *systab; +EFI_HANDLE *image; + +static void +bcopy(const void *src, void *dst, size_t len) +{ + const char *s = src; + char *d = dst; + + while (len-- != 0) + *d++ = *s++; +} + +static void +memcpy(void *dst, const void *src, size_t len) +{ + bcopy(src, dst, len); +} + +static void +bzero(void *b, size_t len) +{ + char *p = b; + + while (len-- != 0) + *p++ = 0; +} + +static int +strcmp(const char *s1, const char *s2) +{ + for (; *s1 == *s2 && *s1; s1++, s2++) + ; + return ((u_char)*s1 - (u_char)*s2); +} + +static EFI_GUID BlockIoProtocolGUID = BLOCK_IO_PROTOCOL; +static EFI_GUID DevicePathGUID = DEVICE_PATH_PROTOCOL; +static EFI_GUID LoadedImageGUID = LOADED_IMAGE_PROTOCOL; + +static EFI_BLOCK_IO *bootdev; +static EFI_DEVICE_PATH *bootdevpath; +static EFI_HANDLE *bootdevhandle; + +EFI_STATUS efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE* Xsystab) +{ + EFI_HANDLE handles[128]; + EFI_BLOCK_IO *blkio; + UINTN i, nparts = sizeof(handles); + EFI_STATUS status; + EFI_DEVICE_PATH *devpath; + char *path = _PATH_LOADER; + + systab = Xsystab; + image = Ximage; + + printf(" \n>> FreeBSD EFI boot block\n"); + printf(" Loader path: %s\n", path); + + status = systab->BootServices->LocateHandle(ByProtocol, + &BlockIoProtocolGUID, NULL, &nparts, handles); + nparts /= sizeof(handles[0]); + + for (i = 0; i < nparts; i++) { + status = systab->BootServices->HandleProtocol(handles[i], + &DevicePathGUID, (void **)&devpath); + if (EFI_ERROR(status)) + continue; + + while (!IsDevicePathEnd(NextDevicePathNode(devpath))) + devpath = NextDevicePathNode(devpath); + + status = systab->BootServices->HandleProtocol(handles[i], + &BlockIoProtocolGUID, (void **)&blkio); + if (EFI_ERROR(status)) + continue; + + if (!blkio->Media->LogicalPartition) + continue; + + if (domount(devpath, blkio, 1) >= 0) + break; + } + + if (i == nparts) + panic("No bootable partition found"); + + bootdevhandle = handles[i]; + load(path); + + panic("Load failed"); + + return EFI_SUCCESS; +} + +static int +dskread(void *buf, u_int64_t lba, int nblk) +{ + EFI_STATUS status; + + status = bootdev->ReadBlocks(bootdev, bootdev->Media->MediaId, lba, + nblk * bootdev->Media->BlockSize, buf); + + if (EFI_ERROR(status)) + return (-1); + + return (0); +} + +#include "ufsread.c" + +static ssize_t +fsstat(ufs_ino_t inode) +{ +#ifndef UFS2_ONLY + static struct ufs1_dinode dp1; + ufs1_daddr_t addr1; +#endif +#ifndef UFS1_ONLY + static struct ufs2_dinode dp2; +#endif + static struct fs fs; + static ufs_ino_t inomap; + char *blkbuf; + void *indbuf; + size_t n, nb, size, off, vboff; + ufs_lbn_t lbn; + ufs2_daddr_t addr2, vbaddr; + static ufs2_daddr_t blkmap, indmap; + u_int u; + + blkbuf = dmadat->blkbuf; + indbuf = dmadat->indbuf; + if (!dsk_meta) { + inomap = 0; + for (n = 0; sblock_try[n] != -1; n++) { + if (dskread(dmadat->sbbuf, sblock_try[n] / DEV_BSIZE, + SBLOCKSIZE / DEV_BSIZE)) + return -1; + memcpy(&fs, dmadat->sbbuf, sizeof(struct fs)); + if (( +#if defined(UFS1_ONLY) + fs.fs_magic == FS_UFS1_MAGIC +#elif defined(UFS2_ONLY) + (fs.fs_magic == FS_UFS2_MAGIC && + fs.fs_sblockloc == sblock_try[n]) +#else + fs.fs_magic == FS_UFS1_MAGIC || + (fs.fs_magic == FS_UFS2_MAGIC && + fs.fs_sblockloc == sblock_try[n]) +#endif + ) && + fs.fs_bsize <= MAXBSIZE && + fs.fs_bsize >= sizeof(struct fs)) + break; + } + if (sblock_try[n] == -1) { + printf("Not ufs\n"); + return -1; + } + dsk_meta++; + } else + memcpy(&fs, dmadat->sbbuf, sizeof(struct fs)); + if (!inode) + return 0; + if (inomap != inode) { + n = IPERVBLK(&fs); + if (dskread(blkbuf, INO_TO_VBA(&fs, n, inode), DBPERVBLK)) + return -1; + n = INO_TO_VBO(n, inode); +#if defined(UFS1_ONLY) + memcpy(&dp1, (struct ufs1_dinode *)blkbuf + n, + sizeof(struct ufs1_dinode)); +#elif defined(UFS2_ONLY) + memcpy(&dp2, (struct ufs2_dinode *)blkbuf + n, + sizeof(struct ufs2_dinode)); +#else + if (fs.fs_magic == FS_UFS1_MAGIC) + memcpy(&dp1, (struct ufs1_dinode *)blkbuf + n, + sizeof(struct ufs1_dinode)); + else + memcpy(&dp2, (struct ufs2_dinode *)blkbuf + n, + sizeof(struct ufs2_dinode)); +#endif + inomap = inode; + fs_off = 0; + blkmap = indmap = 0; + } + size = DIP(di_size); + n = size - fs_off; + return (n); +} + +static struct dmadat __dmadat; + +static int +domount(EFI_DEVICE_PATH *device, EFI_BLOCK_IO *blkio, int quiet) +{ + + dmadat = &__dmadat; + bootdev = blkio; + bootdevpath = device; + if (fsread(0, NULL, 0)) { + if (!quiet) + printf("domount: can't read superblock\n"); + return (-1); + } + if (!quiet) + printf("Succesfully mounted UFS filesystem\n"); + return (0); +} + +static void +load(const char *fname) +{ + ufs_ino_t ino; + EFI_STATUS status; + EFI_HANDLE loaderhandle; + EFI_LOADED_IMAGE *loaded_image; + void *buffer; + size_t bufsize; + + if ((ino = lookup(fname)) == 0) { + printf("File %s not found\n", fname); + return; + } + + bufsize = fsstat(ino); + status = systab->BootServices->AllocatePool(EfiLoaderData, + bufsize, &buffer); + fsread(ino, buffer, bufsize); + + /* XXX: For secure boot, we need our own loader here */ + status = systab->BootServices->LoadImage(TRUE, image, bootdevpath, + buffer, bufsize, &loaderhandle); + + status = systab->BootServices->HandleProtocol(loaderhandle, + &LoadedImageGUID, (VOID**)&loaded_image); + loaded_image->DeviceHandle = bootdevhandle; + + status = systab->BootServices->StartImage(loaderhandle, NULL, NULL); +} + +static void +panic(const char *fmt, ...) +{ + char buf[128]; + va_list ap; + + va_start(ap, fmt); + vsnprintf(buf, sizeof buf, fmt, ap); + printf("panic: %s\n", buf); + va_end(ap); + + while (1) {} +} + +static int +printf(const char *fmt, ...) +{ + va_list ap; + int ret; + + /* Don't annoy the user as we probe for partitions */ + if (strcmp(fmt,"Not ufs\n") == 0) + return 0; + + va_start(ap, fmt); + ret = vprintf(fmt, ap); + va_end(ap); + return (ret); +} + +static int +putchar(char c, void *arg) +{ + CHAR16 buf[2]; + + if (c == '\n') { + buf[0] = '\r'; + buf[1] = 0; + systab->ConOut->OutputString(systab->ConOut, buf); + } + buf[0] = c; + buf[1] = 0; + systab->ConOut->OutputString(systab->ConOut, buf); + return (1); +} + +static int +vprintf(const char *fmt, va_list ap) +{ + int ret; + + ret = __printf(fmt, putchar, 0, ap); + return (ret); +} + +static int +vsnprintf(char *str, size_t sz, const char *fmt, va_list ap) +{ + struct sp_data sp; + int ret; + + sp.sp_buf = str; + sp.sp_len = 0; + sp.sp_size = sz; + ret = __printf(fmt, __sputc, &sp, ap); + return (ret); +} + +static int +__printf(const char *fmt, putc_func_t *putc, void *arg, va_list ap) +{ + char buf[(sizeof(long) * 8) + 1]; + char *nbuf; + u_long ul; + u_int ui; + int lflag; + int sflag; + char *s; + int pad; + int ret; + int c; + + nbuf = &buf[sizeof buf - 1]; + ret = 0; + while ((c = *fmt++) != 0) { + if (c != '%') { + ret += putc(c, arg); + continue; + } + lflag = 0; + sflag = 0; + pad = 0; +reswitch: c = *fmt++; + switch (c) { + case '#': + sflag = 1; + goto reswitch; + case '%': + ret += putc('%', arg); + break; + case 'c': + c = va_arg(ap, int); + ret += putc(c, arg); + break; + case 'd': + if (lflag == 0) { + ui = (u_int)va_arg(ap, int); + if (ui < (int)ui) { + ui = -ui; + ret += putc('-', arg); + } + s = __uitoa(nbuf, ui, 10); + } else { + ul = (u_long)va_arg(ap, long); + if (ul < (long)ul) { + ul = -ul; + ret += putc('-', arg); + } + s = __ultoa(nbuf, ul, 10); + } + ret += __puts(s, putc, arg); + break; + case 'l': + lflag = 1; + goto reswitch; + case 'o': + if (lflag == 0) { + ui = (u_int)va_arg(ap, u_int); + s = __uitoa(nbuf, ui, 8); + } else { + ul = (u_long)va_arg(ap, u_long); + s = __ultoa(nbuf, ul, 8); + } + ret += __puts(s, putc, arg); + break; + case 'p': + ul = (u_long)va_arg(ap, void *); + s = __ultoa(nbuf, ul, 16); + ret += __puts("0x", putc, arg); + ret += __puts(s, putc, arg); + break; + case 's': + s = va_arg(ap, char *); + ret += __puts(s, putc, arg); + break; + case 'u': + if (lflag == 0) { + ui = va_arg(ap, u_int); + s = __uitoa(nbuf, ui, 10); + } else { + ul = va_arg(ap, u_long); + s = __ultoa(nbuf, ul, 10); + } + ret += __puts(s, putc, arg); + break; + case 'x': + if (lflag == 0) { + ui = va_arg(ap, u_int); + s = __uitoa(nbuf, ui, 16); + } else { + ul = va_arg(ap, u_long); + s = __ultoa(nbuf, ul, 16); + } + if (sflag) + ret += __puts("0x", putc, arg); + ret += __puts(s, putc, arg); + break; + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + pad = pad * 10 + c - '0'; + goto reswitch; + default: + break; + } + } + return (ret); +} + +static int +__sputc(char c, void *arg) +{ + struct sp_data *sp; + + sp = arg; + if (sp->sp_len < sp->sp_size) + sp->sp_buf[sp->sp_len++] = c; + sp->sp_buf[sp->sp_len] = '\0'; + return (1); +} + +static int +__puts(const char *s, putc_func_t *putc, void *arg) +{ + const char *p; + int ret; + + ret = 0; + for (p = s; *p != '\0'; p++) + ret += putc(*p, arg); + return (ret); +} + +static char * +__uitoa(char *buf, u_int ui, int base) +{ + char *p; + + p = buf; + *p = '\0'; + do + *--p = digits[ui % base]; + while ((ui /= base) != 0); + return (p); +} + +static char * +__ultoa(char *buf, u_long ul, int base) +{ + char *p; + + p = buf; + *p = '\0'; + do + *--p = digits[ul % base]; + while ((ul /= base) != 0); + return (p); +} + diff --git a/sys/boot/amd64/boot1.efi/fat.tmpl.bz2.uu b/sys/boot/amd64/boot1.efi/fat.tmpl.bz2.uu new file mode 100644 index 0000000..2af4244 --- /dev/null +++ b/sys/boot/amd64/boot1.efi/fat.tmpl.bz2.uu @@ -0,0 +1,22 @@ +FAT template boot filesystem created by generate-fat.sh +DO NOT EDIT +$FreeBSD$ +begin 644 fat.tmpl.bz2 +M0EIH.3%!62936?1V`!$`&J7____[ZZKJJ_^N_ZO^Z_^[ON_\`4`00!0$#$$" +M0D)$6&(<P`(Y=SNY1(2DHTC":::-`!H`&@-````#)IH#3(&@:`!IIDT--,@E +M53TFCWZJGJ`-!D`-`#(::```:```&@:!D`!D``&*B3:C]4T]0#0`:``-`T`` +M``````````&@)131/4T-*>IZC3RGZH\B&$,U&AH#)B:,$8TAF@@]0T>IZF&A +M&GZID,1IZFAMO%FPGL0"(QIZV"3_!`$@N(@`DD$?C&$["`)`!)$6@#\HOB42 +M0`"2(X0FGX1#L"`'7E,'#-'HM!'QUD0\R,?9U,6ZE8F,Y6*L<9S<6PH)"%_" +MX'_PL4A),QB"(`B(=14*-"8,(QCG.(2$A(1J'010CB&R$(0B00FPP(0A"$)E +M#`A"$(1]LB&!"$(0B4&1#`A"$(14W<9J.:&A@8&!@8'`Z$(D(02@^L=UL>:+ +MBG:Q5+4&'[/P4@D2?M<,E!0&YBF8+],4^%$`4<YVD4=K")O.IZ\#)``!CU-1 +M``!L%C7V^RL80`#K(AUU+"D])9/B4@>*%$N9MF:Z29-_VG2G7<$LJ-44RST& +MB53YE@H%(G5G$.FU;=L[DQVA]"(V4B1+%BP%.A<-10-%#R#NKR='@\'#"_'U +M'I36ZT:8QIN*3E$:HZIZRJ?$Y1L&<1'C)G(=8,E.L(KU<9X=%/NX.6\=@^IW +M\-PC$B&I"T\!(VI3"K!X:\%.01Y#X/83[SH.J*H5BH:ILFV1'X/D/V1$W6'\ +MFY>YE:*(I!.X@'D>H_(PY'(W1+B;:,Y?H8Y%(Q')!>DDE;\J1-DRXJJ/O(1@ +M'X/24=!+/V8S1)B(R:UE"0&&1:PUS(1`!$04``++GZ/8(CE5P1P8?^7QB[DB +(G"A(>CL`"(`` +` +end diff --git a/sys/boot/amd64/boot1.efi/generate-fat.sh b/sys/boot/amd64/boot1.efi/generate-fat.sh new file mode 100755 index 0000000..eafd3e0 --- /dev/null +++ b/sys/boot/amd64/boot1.efi/generate-fat.sh @@ -0,0 +1,54 @@ +#!/bin/sh + +# This script generates the dummy FAT filesystem used for the EFI boot +# blocks. It uses newfs_msdos to generate a template filesystem with the +# relevant interesting files. These are then found by grep, and the offsets +# written to a Makefile snippet. +# +# Because it requires root, and because it is overkill, we do not +# do this as part of the normal build. If makefs(8) grows workable FAT +# support, this should be revisited. + +# $FreeBSD$ + +FAT_SIZE=1600 #Size in 512-byte blocks of the produced image + +BOOT1_SIZE=64k + +# Generate 800K FAT image +OUTPUT_FILE=fat.tmpl + +dd if=/dev/zero of=$OUTPUT_FILE bs=512 count=$FAT_SIZE +DEVICE=`mdconfig -a -f $OUTPUT_FILE` +newfs_msdos -F 12 $DEVICE +mkdir stub +mount -t msdosfs /dev/$DEVICE stub + +# Create and bless a directory for the boot loader +mkdir -p stub/efi/boot + +# Make a dummy file for boot1 +echo 'Boot1 START' | dd of=stub/efi/boot/BOOTx64.efi cbs=$BOOT1_SIZE count=1 conv=block + +umount stub +mdconfig -d -u $DEVICE +rmdir stub + +# Locate the offsets of the two fake files +BOOT1_OFFSET=$(hd $OUTPUT_FILE | grep 'Boot1 START' | cut -f 1 -d ' ') + +# Convert to numbers of blocks +BOOT1_OFFSET=$(echo 0x$BOOT1_OFFSET | awk '{printf("%x\n",$1/512);}') + +echo '# This file autogenerated by generate-fat.sh - DO NOT EDIT' > Makefile.fat +echo '# $FreeBSD$' >> Makefile.fat +echo "BOOT1_OFFSET=0x$BOOT1_OFFSET" >> Makefile.fat + +bzip2 $OUTPUT_FILE +echo 'FAT template boot filesystem created by generate-fat.sh' > $OUTPUT_FILE.bz2.uu +echo 'DO NOT EDIT' >> $OUTPUT_FILE.bz2.uu +echo '$FreeBSD$' >> $OUTPUT_FILE.bz2.uu + +uuencode $OUTPUT_FILE.bz2 $OUTPUT_FILE.bz2 >> $OUTPUT_FILE.bz2.uu +rm $OUTPUT_FILE.bz2 + |
