[oe] [PATCH] Grub: Add disk geometry patch
Martyn Welch
martyn.welch at ge.com
Tue Mar 16 14:26:22 UTC 2010
Add a patch to allow for larger disk geometries.
Signed-off-by: Martyn Welch <martyn.welch at ge.com>
---
.../grub/grub-0.97/grub-0.97-disk_geometry-1.patch | 892 ++++++++++++++++++++
recipes/grub/grub_0.97.bb | 1
2 files changed, 893 insertions(+), 0 deletions(-)
diff --git a/recipes/grub/grub-0.97/grub-0.97-disk_geometry-1.patch b/recipes/grub/grub-0.97/grub-0.97-disk_geometry-1.patch
new file mode 100644
index 0000000..e09686d
--- /dev/null
+++ b/recipes/grub/grub-0.97/grub-0.97-disk_geometry-1.patch
@@ -0,0 +1,892 @@
+Submitted By: Jim Gifford <jim at linuxfromscratch.org>
+Date: 05-28-2006
+Initial Package Version: 0.97
+Upstream Status: Unknown
+Origin: Fedora and Mandriva
+Description: This patch fixes issues with disk geometry not being
+ detected properly. Part of this patch also fixes
+ gcc 4 compile errors, which are a part of the issue.
+
+diff -Naur grub-0.97.orig/configure grub-0.97/configure
+--- grub-0.97.orig/configure 2005-05-07 19:48:12.000000000 -0700
++++ grub-0.97/configure 2006-05-28 20:29:36.025466751 -0700
+@@ -3485,9 +3485,9 @@
+ echo "$as_me:$LINENO: result: $size_flag" >&5
+ echo "${ECHO_T}$size_flag" >&6
+ if test "x$size_flag" = xyes; then
+- STAGE2_CFLAGS="-Os"
++ STAGE2_CFLAGS="-Os -fno-strict-aliasing"
+ else
+- STAGE2_CFLAGS="-O2 -fno-strength-reduce -fno-unroll-loops"
++ STAGE2_CFLAGS="-O2 -fno-strict-aliasing -fno-strength-reduce -fno-unroll-loops"
+ fi
+ # OpenBSD has a GCC extension for protecting applications from
+ # stack smashing attacks, but GRUB doesn't want this feature.
+diff -Naur grub-0.97.orig/configure.ac grub-0.97/configure.ac
+--- grub-0.97.orig/configure.ac 2005-05-07 19:36:03.000000000 -0700
++++ grub-0.97/configure.ac 2006-05-28 20:28:41.538819726 -0700
+@@ -93,9 +93,9 @@
+ CFLAGS=$saved_CFLAGS
+ ])
+ if test "x$size_flag" = xyes; then
+- STAGE2_CFLAGS="-Os"
++ STAGE2_CFLAGS="-Os -fno-strict-aliasing"
+ else
+- STAGE2_CFLAGS="-O2 -fno-strength-reduce -fno-unroll-loops"
++ STAGE2_CFLAGS="-O2 -fno-strict-aliasing -fno-strength-reduce -fno-unroll-loops"
+ fi
+ # OpenBSD has a GCC extension for protecting applications from
+ # stack smashing attacks, but GRUB doesn't want this feature.
+diff -Naur grub-0.97.orig/lib/device.c grub-0.97/lib/device.c
+--- grub-0.97.orig/lib/device.c 2005-03-27 15:14:25.000000000 -0800
++++ grub-0.97/lib/device.c 2006-05-28 20:34:03.546804777 -0700
+@@ -131,6 +131,152 @@
+ #include <shared.h>
+ #include <device.h>
+
++#if defined(__linux__)
++/* The 2.6 kernel has removed all of the geometry handling for IDE drives
++ * that did fixups for LBA, etc. This means that the geometry we get
++ * with the ioctl has a good chance of being wrong. So, we get to
++ * also know about partition tables and try to read what the geometry
++ * is there. *grumble* Very closely based on code from cfdisk
++ */
++static void get_kernel_geometry(int fd, long long *cyl, int *heads, int *sectors) {
++ struct hd_geometry hdg;
++
++ if (ioctl (fd, HDIO_GETGEO, &hdg))
++ return;
++
++ *cyl = hdg.cylinders;
++ *heads = hdg.heads;
++ *sectors = hdg.sectors;
++}
++
++struct partition {
++ unsigned char boot_ind; /* 0x80 - active */
++ unsigned char head; /* starting head */
++ unsigned char sector; /* starting sector */
++ unsigned char cyl; /* starting cylinder */
++ unsigned char sys_ind; /* What partition type */
++ unsigned char end_head; /* end head */
++ unsigned char end_sector; /* end sector */
++ unsigned char end_cyl; /* end cylinder */
++ unsigned char start4[4]; /* starting sector counting from 0 */
++ unsigned char size4[4]; /* nr of sectors in partition */
++};
++
++#define ALIGNMENT 2
++typedef union {
++ struct {
++ unsigned char align[ALIGNMENT];
++ unsigned char b[SECTOR_SIZE];
++ } c;
++ struct {
++ unsigned char align[ALIGNMENT];
++ unsigned char buffer[0x1BE];
++ struct partition part[4];
++ unsigned char magicflag[2];
++ } p;
++} partition_table;
++
++#define PART_TABLE_FLAG0 0x55
++#define PART_TABLE_FLAG1 0xAA
++
++static void
++get_partition_table_geometry(partition_table *bufp, long long *cyl, int *heads,
++ int *sectors) {
++ struct partition *p;
++ int i,h,s,hh,ss;
++ int first = 1;
++ int bad = 0;
++
++ if (bufp->p.magicflag[0] != PART_TABLE_FLAG0 ||
++ bufp->p.magicflag[1] != PART_TABLE_FLAG1) {
++ /* Matthew Wilcox: slightly friendlier version of
++ fatal(_("Bad signature on partition table"), 3);
++ */
++ fprintf(stderr, "Unknown partition table signature\n");
++ return;
++ }
++
++ hh = ss = 0;
++ for (i=0; i<4; i++) {
++ p = &(bufp->p.part[i]);
++ if (p->sys_ind != 0) {
++ h = p->end_head + 1;
++ s = (p->end_sector & 077);
++ if (first) {
++ hh = h;
++ ss = s;
++ first = 0;
++ } else if (hh != h || ss != s)
++ bad = 1;
++ }
++ }
++
++ if (!first && !bad) {
++ *heads = hh;
++ *sectors = ss;
++ }
++}
++
++static long long my_lseek (unsigned int fd, long long offset,
++ unsigned int origin)
++{
++#if defined(__linux__) && (!defined(__GLIBC__) || \
++ ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1))))
++ /* Maybe libc doesn't have large file support. */
++ loff_t offset, result;
++ static int _llseek (uint filedes, ulong hi, ulong lo,
++ loff_t *res, uint wh);
++ _syscall5 (int, _llseek, uint, filedes, ulong, hi, ulong, lo,
++ loff_t *, res, uint, wh);
++
++ if (_llseek (fd, offset >> 32, offset & 0xffffffff, &result, SEEK_SET) < 0)
++ return (long long) -1;
++ return result;
++#else
++ return lseek(fd, offset, SEEK_SET);
++#endif
++}
++
++static void get_linux_geometry (int fd, struct geometry *geom) {
++ long long kern_cyl = 0; int kern_head = 0, kern_sectors = 0;
++ long long pt_cyl = 0; int pt_head = 0, pt_sectors = 0;
++ partition_table bufp;
++ char *buff, *buf_unaligned;
++
++ buf_unaligned = malloc(sizeof(partition_table) + 4095);
++ buff = (char *) (((unsigned long)buf_unaligned + 4096 - 1) &
++ (~(4096-1)));
++
++ get_kernel_geometry(fd, &kern_cyl, &kern_head, &kern_sectors);
++
++ if (my_lseek (fd, 0*SECTOR_SIZE, SEEK_SET) < 0) {
++ fprintf(stderr, "Unable to seek");
++ }
++
++ if (read(fd, buff, SECTOR_SIZE) == SECTOR_SIZE) {
++ memcpy(bufp.c.b, buff, SECTOR_SIZE);
++ get_partition_table_geometry(&bufp, &pt_cyl, &pt_head, &pt_sectors);
++ } else {
++ fprintf(stderr, "Unable to read partition table: %s\n", strerror(errno));
++ }
++
++ if (pt_head && pt_sectors) {
++ int cyl_size;
++
++ geom->heads = pt_head;
++ geom->sectors = pt_sectors;
++ cyl_size = pt_head * pt_sectors;
++ geom->cylinders = geom->total_sectors/cyl_size;
++ } else {
++ geom->heads = kern_head;
++ geom->sectors = kern_sectors;
++ geom->cylinders = kern_cyl;
++ }
++
++ return;
++}
++#endif
++
+ /* Get the geometry of a drive DRIVE. */
+ void
+ get_drive_geometry (struct geometry *geom, char **map, int drive)
+@@ -151,21 +297,16 @@
+ #if defined(__linux__)
+ /* Linux */
+ {
+- struct hd_geometry hdg;
+ unsigned long nr;
+-
+- if (ioctl (fd, HDIO_GETGEO, &hdg))
+- goto fail;
+
+ if (ioctl (fd, BLKGETSIZE, &nr))
+ goto fail;
+
+ /* Got the geometry, so save it. */
+- geom->cylinders = hdg.cylinders;
+- geom->heads = hdg.heads;
+- geom->sectors = hdg.sectors;
+ geom->total_sectors = nr;
+-
++ get_linux_geometry(fd, geom);
++ if (!geom->heads && !geom->cylinders && !geom->sectors)
++ goto fail;
+ goto success;
+ }
+
+@@ -844,6 +985,7 @@
+ {
+ char dev[PATH_MAX]; /* XXX */
+ int fd;
++ off_t offset = (off_t) sector * (off_t) SECTOR_SIZE;
+
+ if ((partition & 0x00FF00) != 0x00FF00)
+ {
+@@ -870,35 +1012,13 @@
+ errnum = ERR_NO_PART;
+ return 0;
+ }
+-
+-#if defined(__linux__) && (!defined(__GLIBC__) || \
+- ((__GLIBC__ < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ < 1))))
+- /* Maybe libc doesn't have large file support. */
+- {
+- loff_t offset, result;
+- static int _llseek (uint filedes, ulong hi, ulong lo,
+- loff_t *res, uint wh);
+- _syscall5 (int, _llseek, uint, filedes, ulong, hi, ulong, lo,
+- loff_t *, res, uint, wh);
+
+- offset = (loff_t) sector * (loff_t) SECTOR_SIZE;
+- if (_llseek (fd, offset >> 32, offset & 0xffffffff, &result, SEEK_SET))
+- {
+- errnum = ERR_DEV_VALUES;
+- return 0;
+- }
+- }
+-#else
+- {
+- off_t offset = (off_t) sector * (off_t) SECTOR_SIZE;
+
+- if (lseek (fd, offset, SEEK_SET) != offset)
+- {
+- errnum = ERR_DEV_VALUES;
+- return 0;
+- }
+- }
+-#endif
++ if (my_lseek(fd, offset, SEEK_SET) != offset)
++ {
++ errnum = ERR_DEV_VALUES;
++ return 0;
++ }
+
+ if (write (fd, buf, size * SECTOR_SIZE) != (size * SECTOR_SIZE))
+ {
+diff -Naur grub-0.97.orig/stage2/Makefile.am grub-0.97/stage2/Makefile.am
+--- grub-0.97.orig/stage2/Makefile.am 2005-02-02 12:37:35.000000000 -0800
++++ grub-0.97/stage2/Makefile.am 2006-05-28 20:28:41.590818435 -0700
+@@ -24,7 +24,8 @@
+ -DGRUB_UTIL=1 -DFSYS_EXT2FS=1 -DFSYS_FAT=1 -DFSYS_FFS=1 \
+ -DFSYS_ISO9660=1 -DFSYS_JFS=1 -DFSYS_MINIX=1 -DFSYS_REISERFS=1 \
+ -DFSYS_UFS2=1 -DFSYS_VSTAFS=1 -DFSYS_XFS=1 \
+- -DUSE_MD5_PASSWORDS=1 -DSUPPORT_SERIAL=1 -DSUPPORT_HERCULES=1
++ -DUSE_MD5_PASSWORDS=1 -DSUPPORT_SERIAL=1 -DSUPPORT_HERCULES=1 \
++ -fno-strict-aliasing
+
+ # Stage 2 and Stage 1.5's.
+ pkglibdir = $(libdir)/$(PACKAGE)/$(host_cpu)-$(host_vendor)
+diff -Naur grub-0.97.orig/stage2/boot.c grub-0.97/stage2/boot.c
+--- grub-0.97.orig/stage2/boot.c 2004-03-30 03:44:08.000000000 -0800
++++ grub-0.97/stage2/boot.c 2006-05-28 20:33:30.123638792 -0700
+@@ -55,7 +55,7 @@
+ pu;
+ /* presuming that MULTIBOOT_SEARCH is large enough to encompass an
+ executable header */
+- unsigned char buffer[MULTIBOOT_SEARCH];
++ char buffer[MULTIBOOT_SEARCH];
+
+ /* sets the header pointer to point to the beginning of the
+ buffer by default */
+@@ -98,7 +98,7 @@
+ /* ELF loading supported if multiboot, FreeBSD and NetBSD. */
+ if ((type == KERNEL_TYPE_MULTIBOOT
+ || pu.elf->e_ident[EI_OSABI] == ELFOSABI_FREEBSD
+- || grub_strcmp (pu.elf->e_ident + EI_BRAND, "FreeBSD") == 0
++ || grub_strcmp ((char *) pu.elf->e_ident + EI_BRAND, "FreeBSD") == 0
+ || suggested_type == KERNEL_TYPE_NETBSD)
+ && len > sizeof (Elf32_Ehdr)
+ && BOOTABLE_I386_ELF ((*((Elf32_Ehdr *) buffer))))
+@@ -824,8 +824,12 @@
+ moveto = (mbi.mem_upper + 0x400) << 10;
+
+ moveto = (moveto - len) & 0xfffff000;
++#if 0
+ max_addr = (lh->header == LINUX_MAGIC_SIGNATURE && lh->version >= 0x0203
+ ? lh->initrd_addr_max : LINUX_INITRD_MAX_ADDRESS);
++#else
++ max_addr = LINUX_INITRD_MAX_ADDRESS;
++#endif
+ if (moveto + len >= max_addr)
+ moveto = (max_addr - len) & 0xfffff000;
+
+diff -Naur grub-0.97.orig/stage2/disk_io.c grub-0.97/stage2/disk_io.c
+--- grub-0.97.orig/stage2/disk_io.c 2004-05-23 09:35:24.000000000 -0700
++++ grub-0.97/stage2/disk_io.c 2006-05-28 20:28:41.582818634 -0700
+@@ -127,12 +127,19 @@
+ int filepos;
+ int filemax;
+
+-static inline unsigned long
+-log2 (unsigned long word)
++#define log2(n) ffz(~(n))
++
++/* include/asm-i386/bitops.h */
++/*
++ * ffz = Find First Zero in word. Undefined if no zero exists,
++ * so code should check against ~0UL first..
++ */
++static __inline__ unsigned long
++ffz (unsigned long word)
+ {
+- asm volatile ("bsfl %1,%0"
+- : "=r" (word)
+- : "r" (word));
++ __asm__ ("bsfl %1,%0"
++: "=r" (word)
++: "r" (~word));
+ return word;
+ }
+
+diff -Naur grub-0.97.orig/stage2/freebsd.h grub-0.97/stage2/freebsd.h
+--- grub-0.97.orig/stage2/freebsd.h 2003-07-09 04:45:52.000000000 -0700
++++ grub-0.97/stage2/freebsd.h 2006-05-28 20:28:41.582818634 -0700
+@@ -78,7 +78,7 @@
+ struct bootinfo
+ {
+ unsigned int bi_version;
+- unsigned char *bi_kernelname;
++ char *bi_kernelname;
+ struct nfs_diskless *bi_nfs_diskless;
+ /* End of fields that are always present. */
+ #define bi_endcommon bi_n_bios_used
+diff -Naur grub-0.97.orig/stage2/fsys_fat.c grub-0.97/stage2/fsys_fat.c
+--- grub-0.97.orig/stage2/fsys_fat.c 2005-03-15 08:52:00.000000000 -0800
++++ grub-0.97/stage2/fsys_fat.c 2006-05-28 20:28:41.582818634 -0700
+@@ -54,12 +54,19 @@
+
+ #define FAT_CACHE_SIZE 2048
+
++#define log2(n) ffz(~(n))
++
++/* include/asm-i386/bitops.h */
++/*
++ * ffz = Find First Zero in word. Undefined if no zero exists,
++ * so code should check against ~0UL first..
++ */
+ static __inline__ unsigned long
+-log2 (unsigned long word)
++ffz (unsigned long word)
+ {
+ __asm__ ("bsfl %1,%0"
+- : "=r" (word)
+- : "r" (word));
++: "=r" (word)
++: "r" (~word));
+ return word;
+ }
+
+diff -Naur grub-0.97.orig/stage2/fsys_iso9660.c grub-0.97/stage2/fsys_iso9660.c
+--- grub-0.97.orig/stage2/fsys_iso9660.c 2004-05-11 05:11:19.000000000 -0700
++++ grub-0.97/stage2/fsys_iso9660.c 2006-05-28 20:28:41.582818634 -0700
+@@ -55,13 +55,19 @@
+ #define RRCONT_BUF ((unsigned char *)(FSYS_BUF + 6144))
+ #define NAME_BUF ((unsigned char *)(FSYS_BUF + 8192))
+
++#define log2(n) ffz(~(n))
+
+-static inline unsigned long
+-log2 (unsigned long word)
++/* include/asm-i386/bitops.h */
++/*
++ * ffz = Find First Zero in word. Undefined if no zero exists,
++ * so code should check against ~0UL first..
++ */
++static __inline__ unsigned long
++ffz (unsigned long word)
+ {
+- asm volatile ("bsfl %1,%0"
+- : "=r" (word)
+- : "r" (word));
++ __asm__ ("bsfl %1,%0"
++: "=r" (word)
++: "r" (~word));
+ return word;
+ }
+
+@@ -120,7 +126,7 @@
+ break;
+ /* check ISO_VD_PRIMARY and ISO_STANDARD_ID */
+ if (PRIMDESC->type.l == ISO_VD_PRIMARY
+- && !memcmp(PRIMDESC->id, ISO_STANDARD_ID, sizeof(PRIMDESC->id)))
++ && !memcmp((char *) PRIMDESC->id, ISO_STANDARD_ID, sizeof(PRIMDESC->id)))
+ {
+ ISO_SUPER->vol_sector = sector;
+ INODE->file_start = 0;
+@@ -175,7 +181,7 @@
+ for (; idr->length.l > 0;
+ idr = (struct iso_directory_record *)((char *)idr + idr->length.l) )
+ {
+- const char *name = idr->name;
++ const u_int8_t *name = idr->name;
+ unsigned int name_len = idr->name_len.l;
+
+ file_type = (idr->flags.l & 2) ? ISO_DIRECTORY : ISO_REGULAR;
+@@ -198,7 +204,7 @@
+ rr_len = (idr->length.l - idr->name_len.l
+ - sizeof(struct iso_directory_record)
+ + sizeof(idr->name));
+- rr_ptr.ptr = ((unsigned char *)idr + idr->name_len.l
++ rr_ptr.ptr = ((char *)idr + idr->name_len.l
+ + sizeof(struct iso_directory_record)
+ - sizeof(idr->name));
+ if (rr_ptr.i & 1)
+@@ -331,9 +337,9 @@
+ memcpy(NAME_BUF, name, name_len);
+ name = NAME_BUF;
+ }
+- rr_ptr.ptr = RRCONT_BUF + ce_ptr->u.ce.offset.l;
++ rr_ptr.ptr = (char *) RRCONT_BUF + ce_ptr->u.ce.offset.l;
+ rr_len = ce_ptr->u.ce.size.l;
+- if (!iso9660_devread(ce_ptr->u.ce.extent.l, 0, ISO_SECTOR_SIZE, RRCONT_BUF))
++ if (!iso9660_devread(ce_ptr->u.ce.extent.l, 0, ISO_SECTOR_SIZE, (char *) RRCONT_BUF))
+ {
+ errnum = 0; /* this is not fatal. */
+ break;
+@@ -344,7 +350,7 @@
+
+ filemax = MAXINT;
+ if (name_len >= pathlen
+- && !memcmp(name, dirname, pathlen))
++ && !memcmp((char *) name, dirname, pathlen))
+ {
+ if (dirname[pathlen] == '/' || !print_possibilities)
+ {
+@@ -381,7 +387,7 @@
+ print_possibilities = -print_possibilities;
+ memcpy(NAME_BUF, name, name_len);
+ NAME_BUF[name_len] = '\0';
+- print_a_completion (NAME_BUF);
++ print_a_completion ((char *) NAME_BUF);
+ #endif
+ }
+ }
+diff -Naur grub-0.97.orig/stage2/fsys_reiserfs.c grub-0.97/stage2/fsys_reiserfs.c
+--- grub-0.97.orig/stage2/fsys_reiserfs.c 2004-02-18 14:09:10.000000000 -0800
++++ grub-0.97/stage2/fsys_reiserfs.c 2006-05-28 20:28:41.586818535 -0700
+@@ -365,13 +365,19 @@
+ #define JOURNAL_START ((__u32 *) (INFO + 1))
+ #define JOURNAL_END ((__u32 *) (FSYS_BUF + FSYS_BUFLEN))
+
++#define log2(n) ffz(~(n))
+
++/* include/asm-i386/bitops.h */
++/*
++ * ffz = Find First Zero in word. Undefined if no zero exists,
++ * so code should check against ~0UL first..
++ */
+ static __inline__ unsigned long
+-log2 (unsigned long word)
++ffz (unsigned long word)
+ {
+ __asm__ ("bsfl %1,%0"
+- : "=r" (word)
+- : "r" (word));
++: "=r" (word)
++: "r" (~word));
+ return word;
+ }
+
+diff -Naur grub-0.97.orig/stage2/fsys_vstafs.c grub-0.97/stage2/fsys_vstafs.c
+--- grub-0.97.orig/stage2/fsys_vstafs.c 2003-07-09 04:45:53.000000000 -0700
++++ grub-0.97/stage2/fsys_vstafs.c 2006-05-28 20:28:41.586818535 -0700
+@@ -186,35 +186,35 @@
+ int
+ vstafs_read (char *addr, int len)
+ {
+- struct alloc *a;
++ struct alloc *b;
+ int size, ret = 0, offset, curr_len = 0;
+- int curr_ext;
++ int curr_exten;
+ char extent;
+ int ext_size;
+ char *curr_pos;
+
+ get_file_info (f_sector);
+ size = FILE_INFO->len-VSTAFS_START_DATA;
+- a = FILE_INFO->blocks;
++ b = FILE_INFO->blocks;
+
+ if (filepos > 0)
+ {
+- if (filepos < a[0].a_len * 512 - VSTAFS_START_DATA)
++ if (filepos < b[0].a_len * 512 - VSTAFS_START_DATA)
+ {
+ offset = filepos + VSTAFS_START_DATA;
+ extent = 0;
+- curr_len = a[0].a_len * 512 - offset - filepos;
++ curr_len = b[0].a_len * 512 - offset - filepos;
+ }
+ else
+ {
+- ext_size = a[0].a_len * 512 - VSTAFS_START_DATA;
++ ext_size = b[0].a_len * 512 - VSTAFS_START_DATA;
+ offset = filepos - ext_size;
+ extent = 1;
+ do
+ {
+ curr_len -= ext_size;
+ offset -= ext_size;
+- ext_size = a[extent+1].a_len * 512;
++ ext_size = b[extent+1].a_len * 512;
+ }
+ while (extent < FILE_INFO->extents && offset>ext_size);
+ }
+@@ -223,16 +223,16 @@
+ {
+ offset = VSTAFS_START_DATA;
+ extent = 0;
+- curr_len = a[0].a_len * 512 - offset;
++ curr_len = b[0].a_len * 512 - offset;
+ }
+
+ curr_pos = addr;
+ if (curr_len > len)
+ curr_len = len;
+
+- for (curr_ext=extent;
+- curr_ext < FILE_INFO->extents;
+- curr_len = a[curr_ext].a_len * 512, curr_pos += curr_len, curr_ext++)
++ for (curr_exten = extent;
++ curr_exten < FILE_INFO->extents;
++ curr_len = b[curr_exten].a_len * 512, curr_pos += curr_len, curr_exten++)
+ {
+ ret += curr_len;
+ size -= curr_len;
+@@ -242,7 +242,7 @@
+ curr_len += size;
+ }
+
+- devread (a[curr_ext].a_start,offset, curr_len, curr_pos);
++ devread (b[curr_exten].a_start, offset, curr_len, curr_pos);
+ offset = 0;
+ }
+
+diff -Naur grub-0.97.orig/stage2/fsys_xfs.c grub-0.97/stage2/fsys_xfs.c
+--- grub-0.97.orig/stage2/fsys_xfs.c 2005-05-07 19:15:55.000000000 -0700
++++ grub-0.97/stage2/fsys_xfs.c 2006-05-28 20:28:41.586818535 -0700
+@@ -97,7 +97,7 @@
+ return ino & XFS_INO_MASK(XFS_INO_OFFSET_BITS);
+ }
+
+-static inline __const__ xfs_uint16_t
++static inline __attribute__((const)) xfs_uint16_t
+ le16 (xfs_uint16_t x)
+ {
+ __asm__("xchgb %b0,%h0" \
+@@ -106,7 +106,7 @@
+ return x;
+ }
+
+-static inline __const__ xfs_uint32_t
++static inline __attribute__((const)) xfs_uint32_t
+ le32 (xfs_uint32_t x)
+ {
+ #if 0
+@@ -122,7 +122,7 @@
+ return x;
+ }
+
+-static inline __const__ xfs_uint64_t
++static inline __attribute__((const)) xfs_uint64_t
+ le64 (xfs_uint64_t x)
+ {
+ xfs_uint32_t h = x >> 32;
+@@ -368,7 +368,7 @@
+ default:
+ namelen = sfe->namelen;
+ *ino = sf_ino ((char *)sfe, namelen);
+- name = sfe->name;
++ name = (char *) sfe->name;
+ sfe = (xfs_dir2_sf_entry_t *)
+ ((char *)sfe + namelen + 11 - xfs.i8param);
+ }
+diff -Naur grub-0.97.orig/stage2/gunzip.c grub-0.97/stage2/gunzip.c
+--- grub-0.97.orig/stage2/gunzip.c 2003-07-09 04:45:53.000000000 -0700
++++ grub-0.97/stage2/gunzip.c 2006-05-28 20:28:41.586818535 -0700
+@@ -277,7 +277,7 @@
+ * is a compressed file, and simply mark it as such.
+ */
+ if (no_decompression
+- || grub_read (buf, 10) != 10
++ || grub_read ((char *) buf, 10) != 10
+ || ((*((unsigned short *) buf) != GZIP_HDR_LE)
+ && (*((unsigned short *) buf) != OLD_GZIP_HDR_LE)))
+ {
+@@ -293,7 +293,7 @@
+ if (buf[2] != DEFLATED
+ || (buf[3] & UNSUPP_FLAGS)
+ || ((buf[3] & EXTRA_FIELD)
+- && (grub_read (buf, 2) != 2
++ && (grub_read ((char *) buf, 2) != 2
+ || bad_field (*((unsigned short *) buf))))
+ || ((buf[3] & ORIG_NAME) && bad_field (-1))
+ || ((buf[3] & COMMENT) && bad_field (-1)))
+@@ -308,7 +308,7 @@
+
+ filepos = filemax - 8;
+
+- if (grub_read (buf, 8) != 8)
++ if (grub_read ((char *) buf, 8) != 8)
+ {
+ if (! errnum)
+ errnum = ERR_BAD_GZIP_HEADER;
+@@ -485,8 +485,8 @@
+
+ #define INBUFSIZ 0x2000
+
+-static uch inbuf[INBUFSIZ];
+-static int bufloc;
++static unsigned char inbuf[INBUFSIZ];
++static int bufloc;
+
+ static int
+ get_byte (void)
+@@ -494,7 +494,7 @@
+ if (filepos == gzip_data_offset || bufloc == INBUFSIZ)
+ {
+ bufloc = 0;
+- grub_read (inbuf, INBUFSIZ);
++ grub_read ((char *) inbuf, INBUFSIZ);
+ }
+
+ return inbuf[bufloc++];
+@@ -925,7 +925,7 @@
+ unsigned m; /* mask for bit lengths table */
+ unsigned n; /* number of lengths to get */
+ unsigned nb; /* number of bit length codes */
+- unsigned nl; /* number of literal/length codes */
++ unsigned nc; /* number of literal/length codes */
+ unsigned nd; /* number of distance codes */
+ unsigned ll[286 + 30]; /* literal/length and distance code lengths */
+ register ulg b; /* bit buffer */
+@@ -937,7 +937,7 @@
+
+ /* read in table lengths */
+ NEEDBITS (5);
+- nl = 257 + ((unsigned) b & 0x1f); /* number of literal/length codes */
++ nc = 257 + ((unsigned) b & 0x1f); /* number of literal/length codes */
+ DUMPBITS (5);
+ NEEDBITS (5);
+ nd = 1 + ((unsigned) b & 0x1f); /* number of distance codes */
+@@ -945,7 +945,7 @@
+ NEEDBITS (4);
+ nb = 4 + ((unsigned) b & 0xf); /* number of bit length codes */
+ DUMPBITS (4);
+- if (nl > 286 || nd > 30)
++ if (nc > 286 || nd > 30)
+ {
+ errnum = ERR_BAD_GZIP_DATA;
+ return;
+@@ -970,7 +970,7 @@
+ }
+
+ /* read in literal and distance code lengths */
+- n = nl + nd;
++ n = nc + nd;
+ m = mask_bits[bl];
+ i = l = 0;
+ while ((unsigned) i < n)
+@@ -1034,7 +1034,7 @@
+
+ /* build the decoding tables for literal/length and distance codes */
+ bl = lbits;
+- if ((i = huft_build (ll, nl, 257, cplens, cplext, &tl, &bl)) != 0)
++ if ((i = huft_build (ll, nc, 257, cplens, cplext, &tl, &bl)) != 0)
+ {
+ #if 0
+ if (i == 1)
+@@ -1045,7 +1045,7 @@
+ return;
+ }
+ bd = dbits;
+- if ((i = huft_build (ll + nl, nd, 0, cpdist, cpdext, &td, &bd)) != 0)
++ if ((i = huft_build (ll + nc, nd, 0, cpdist, cpdext, &td, &bd)) != 0)
+ {
+ #if 0
+ if (i == 1)
+diff -Naur grub-0.97.orig/stage2/md5.c grub-0.97/stage2/md5.c
+--- grub-0.97.orig/stage2/md5.c 2003-07-09 04:45:53.000000000 -0700
++++ grub-0.97/stage2/md5.c 2006-05-28 20:28:41.590818435 -0700
+@@ -166,7 +166,7 @@
+ inputlen -= 64 - buflen;
+ while (inputlen >= 64)
+ {
+- md5_transform (input);
++ md5_transform ((unsigned char *) input);
+ input += 64;
+ inputlen -= 64;
+ }
+@@ -211,7 +211,7 @@
+ char *p;
+ int saltlen;
+ int i, n;
+- unsigned char alt_result[16];
++ char alt_result[16];
+ unsigned char *digest;
+
+ if (check)
+diff -Naur grub-0.97.orig/stage2/start_eltorito.S grub-0.97/stage2/start_eltorito.S
+--- grub-0.97.orig/stage2/start_eltorito.S 2004-03-27 08:14:20.000000000 -0800
++++ grub-0.97/stage2/start_eltorito.S 2006-05-28 20:31:17.770936712 -0700
+@@ -40,9 +40,9 @@
+ #define ABS(x) (x-_start+BOOTSEC_LOCATION)
+
+ #ifdef STAGE1_5
+-# define STAGE_ADDR 0x2000
++# define STAGE_ADDR 0x2200
+ #else
+-# define STAGE_ADDR 0x8000
++# define STAGE_ADDR 0x8200
+ #endif /* STAGE1_5 */
+
+ /* Print message string */
+@@ -71,12 +71,14 @@
+ . = _start + 8 /* Pad to file offset 8 */
+
+ /* This table gets filled in by mkisofs using the
+- -boot-info-table option */
+-bi_pvd: .long 0xDEADBEEF /* LBA of primary volume descript */
+-bi_file: .long 0xDEADBEEF /* LBA of boot file */
+-bi_length: .long 0xDEADBEEF /* Length of boot file */
+-bi_csum: .long 0xDEADBEEF /* Checksum of boot file */
+-bi_reserved: .space (10*4) /* Reserved */
++ -boot-info-table option If not, the values in this
++ table are default values that we can use to get us
++ what we need, at least under a certain set of assumptions. */
++bi_pvd: .long 16 /* LBA of primary volume descript */
++bi_file: .long 0 /* LBA of boot file */
++bi_length: .long 0xDEADBEEF /* Length of boot file */
++bi_csum: .long 0xDEADBEEF /* Checksum of boot file */
++bi_reserved: .space (10*4) /* Reserved */
+
+ real_start:
+ xor %ax, %ax
+@@ -92,10 +94,28 @@
+ /* save drive reference first thing! */
+ mov %dl, ABS(BootDrive)
+
+- /* print a notification message on the screen */
+- MSG(notification_string)
++ /* check if machine support IBM/MS int 13h extensions */
++ mov $0x41, %ah
++ mov $0x55AA, %bx
++ int $0x13
++ jnc load_image
++
++ /* bios doesn't support int 13h extensions, print error messages */
++ MSG(int13_error_string1)
++ MSG(notification_done)
++ MSG(int13_error_string2)
++ MSG(notification_done)
++ MSG(int13_error_string3)
++ MSG(notification_done)
++ /* even when bios says that it doesn't support int 13h
++ extensions, do not stop here and try to load image anyway,
++ because some bioses says that there isn't support for
++ extended functions but have the needed extended read function
++ (int 13h, function AH=42h) */
+
+ load_image:
++ /* print a notification message on the screen */
++ MSG(notification_string)
+ /* Set up boot file sector, size, load address */
+ mov ABS(bi_length), %eax
+ add $(ISO_SECTOR_SIZE-1), %eax
+@@ -105,6 +125,8 @@
+ mov %bx, %es
+ xor %bx, %bx
+ mov ABS(bi_file), %eax
++ inc %eax /* do not reload the first sector (this code) */
++ dec %bp /* this way we have more room for code in stage1 */
+ call getlinsec
+ mov %ds, %ax
+ mov %ax, %es
+@@ -115,7 +137,7 @@
+ mov $ABS(firstlist - BOOTSEC_LISTSIZE), %si
+ mov (%si), %ebp
+ mov ABS(BootDrive), %dl /* this makes sure %dl is our "boot" drive */
+- ljmp $0, $(STAGE_ADDR+SECTOR_SIZE) /* jump to main() in asm.S */
++ ljmp $0, $(STAGE_ADDR) /* jump to main() in asm.S */
+
+ /* go here when you need to stop the machine hard after an error condition */
+ stop: jmp stop
+@@ -171,11 +193,11 @@
+ */
+ xint13:
+ movb $6, ABS(RetryCount)
+- pushal
+ .try:
++ pushal
+ int $0x13
+ jc 1f
+- add $(8*4), %sp /* Clean up stack */
++ popal /* Clean up stack */
+ ret
+ 1:
+ mov %ah, %dl /* Save error code */
+@@ -276,6 +298,10 @@
+
+ read_error_string: .string "Read error 0x"
+
++int13_error_string1: .string "Support for IBM/MS INT 13h extensions not found"
++int13_error_string2: .string "GRUB cannot be loaded if int 13h/function AH=42h isn't present"
++int13_error_string3: .string "Trying to load stage 2 anyway..."
++
+ /*
+ * EBIOS disk address packet
+ */
+@@ -306,7 +332,8 @@
+ .word 0
+ .word 0
+
+- . = _start + SECTOR_SIZE - BOOTSEC_LISTSIZE
++ /* size of the code we can place between main body and fixed top location */
++ . = _start + 1536 - BOOTSEC_LISTSIZE
+
+ /* fill the first data listing with the default */
+ blocklist_default_start:/* this is the sector start parameter, in logical
+@@ -321,6 +348,12 @@
+ #endif
+ blocklist_default_seg: /* this is the segment of the starting address
+ to load the data into */
+- .word (STAGE_ADDR + SECTOR_SIZE) >> 4
++ .word (STAGE_ADDR) >> 4
+
+ firstlist: /* this label has to be after the list data!!! */
++
++ /* this is a workaround to allow more code to be added in stage1,
++ it allows more code to be added for this stage, but for this
++ we can't reload the first sector. So we have to align the code
++ to ISO_SECTOR_SIZE. */
++ . = _start + ISO_SECTOR_SIZE
+diff -Naur grub-0.97.orig/util/grub-install.in grub-0.97/util/grub-install.in
+--- grub-0.97.orig/util/grub-install.in 2004-07-24 11:57:31.000000000 -0700
++++ grub-0.97/util/grub-install.in 2006-05-28 20:30:31.484088268 -0700
+@@ -336,6 +336,10 @@
+ # Create a safe temporary file.
+ test -n "$mklog" && log_file=`$mklog`
+
++ # Before all invocations of the grub shell, call sync to make sure
++ # the raw device is in sync with any bufferring in filesystems.
++ sync
++
+ $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
+ quit
+ EOF
+@@ -450,6 +454,10 @@
+ # Create a safe temporary file.
+ test -n "$mklog" && log_file=`$mklog`
+
++# Before all invocations of the grub shell, call sync to make sure
++# the raw device is in sync with any bufferring in filesystems.
++sync
++
+ # Now perform the installation.
+ $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file
+ root $root_drive
diff --git a/recipes/grub/grub_0.97.bb b/recipes/grub/grub_0.97.bb
index 0d64ed7..f98cd4b 100644
--- a/recipes/grub/grub_0.97.bb
+++ b/recipes/grub/grub_0.97.bb
@@ -7,6 +7,7 @@ PR = "r6"
SRC_URI = "ftp://alpha.gnu.org/gnu/grub/grub-${PV}.tar.gz \
file://automake-1.10.patch;patch=1 \
+ file://grub-0.97-disk_geometry-1.patch;patch=1 \
file://grub-support-256byte-inode.diff;patch=1 \
file://menu.lst"
--
Martyn Welch (Principal Software Engineer) | Registered in England and
GE Intelligent Platforms | Wales (3828642) at 100
T +44(0)127322748 | Barbirolli Square, Manchester,
E martyn.welch at ge.com | M2 3AB VAT:GB 927559189
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