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all images binary identical to the ones from trunk

This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-04-26 19:11:38 +02:00
parent bb3208158a
commit debaf23f7c
8 changed files with 137 additions and 74 deletions
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1
include/grub/elf.h
View File

@ -555,6 +555,7 @@ typedef struct
#define PT_NUM 8 /* Number of defined types */
#define PT_LOOS 0x60000000 /* Start of OS-specific */
#define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */
#define PT_GNU_STACK 0x6474e551 /* GCC stack segment */
#define PT_LOSUNW 0x6ffffffa
#define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */
#define PT_SUNWSTACK 0x6ffffffb /* Stack segment */

10
include/grub/i386/kernel.h
View File

@ -19,14 +19,4 @@
#ifndef GRUB_KERNEL_CPU_HEADER
#define GRUB_KERNEL_CPU_HEADER 1
#ifdef GRUB_MACHINE_IEEE1275
#define GRUB_MOD_ALIGN 0x1000
#else
#define GRUB_MOD_ALIGN 0x1
#endif
/* Non-zero value is only needed for PowerMacs. */
#define GRUB_MOD_GAP 0x0
#endif

16
include/grub/offsets.h
View File

@ -127,9 +127,25 @@
#define GRUB_KERNEL_I386_IEEE1275_DATA_END 0x42
#define GRUB_KERNEL_I386_IEEE1275_LINK_ADDR 0x10000
#define GRUB_KERNEL_I386_IEEE1275_MOD_ALIGN 0x1000
#define GRUB_KERNEL_I386_COREBOOT_MOD_ALIGN 0x1
/* Non-zero value is only needed for PowerMacs. */
#define GRUB_KERNEL_I386_IEEE1275_MOD_GAP 0x0
#define GRUB_KERNEL_I386_COREBOOT_MOD_GAP 0x0
#define GRUB_KERNEL_POWERPC_IEEE1275_MOD_ALIGN 0x1000
/* Minimal gap between _end and the start of the modules. It's a hack
for PowerMac to prevent "CLAIM failed" error. The real fix is to
rewrite grub-mkimage to generate valid ELF files. */
#define GRUB_KERNEL_POWERPC_IEEE1275_MOD_GAP 0x8000
#ifdef MACHINE
#define GRUB_OFFSETS_CONCAT_(a,b,c) a ## b ## c
#define GRUB_OFFSETS_CONCAT(a,b,c) GRUB_OFFSETS_CONCAT_(a,b,c)
#define GRUB_KERNEL_MACHINE_MOD_ALIGN GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, MACHINE, _MOD_ALIGN)
#define GRUB_KERNEL_MACHINE_MOD_GAP GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, MACHINE, _MOD_GAP)
#define GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, MACHINE, _TOTAL_MODULE_SIZE)
#define GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, MACHINE, _KERNEL_IMAGE_SIZE)
#define GRUB_KERNEL_MACHINE_COMPRESSED_SIZE GRUB_OFFSETS_CONCAT (GRUB_KERNEL_, MACHINE, _COMPRESSED_SIZE)

7
include/grub/powerpc/kernel.h
View File

@ -19,11 +19,4 @@
#ifndef GRUB_KERNEL_CPU_HEADER
#define GRUB_KERNEL_CPU_HEADER 1
#define GRUB_MOD_ALIGN 0x1000
/* Minimal gap between _end and the start of the modules. It's a hack
for PowerMac to prevent "CLAIM failed" error. The real fix is to
rewrite grub-mkimage to generate valid ELF files. */
#define GRUB_MOD_GAP 0x8000
#endif

2
kern/i386/coreboot/init.c
View File

@ -144,6 +144,6 @@ grub_arch_modules_addr (void)
#ifdef GRUB_MACHINE_QEMU
return grub_core_entry_addr + grub_kernel_image_size;
#else
return ALIGN_UP((grub_addr_t) _end, GRUB_MOD_ALIGN);
return ALIGN_UP((grub_addr_t) _end, GRUB_KERNEL_MACHINE_MOD_ALIGN);
#endif
}

2
kern/ieee1275/init.c
View File

@ -284,5 +284,5 @@ grub_get_rtc (void)
grub_addr_t
grub_arch_modules_addr (void)
{
return ALIGN_UP((grub_addr_t) _end + GRUB_MOD_GAP, GRUB_MOD_ALIGN);
return ALIGN_UP((grub_addr_t) _end + GRUB_KERNEL_MACHINE_MOD_GAP, GRUB_KERNEL_MACHINE_MOD_ALIGN);
}

86
util/grub-mkimage.c
View File

@ -72,6 +72,7 @@ struct image_target_desc
signed vaddr_offset;
unsigned install_dos_part, install_bsd_part;
grub_uint64_t link_addr;
unsigned mod_gap, mod_align;
};
struct image_target_desc image_targets[] =
@ -92,7 +93,11 @@ struct image_target_desc image_targets[] =
.vaddr_offset = 0,
.install_dos_part = TARGET_NO_FIELD,
.install_bsd_part = TARGET_NO_FIELD,
.link_addr = GRUB_KERNEL_I386_COREBOOT_LINK_ADDR
.link_addr = GRUB_KERNEL_I386_COREBOOT_LINK_ADDR,
.elf_target = EM_386,
.link_align = 4,
.mod_gap = GRUB_KERNEL_I386_COREBOOT_MOD_GAP,
.mod_align = GRUB_KERNEL_I386_COREBOOT_MOD_ALIGN
},
{
.name = "i386-pc",
@ -150,7 +155,11 @@ struct image_target_desc image_targets[] =
.vaddr_offset = 0,
.install_dos_part = TARGET_NO_FIELD,
.install_bsd_part = TARGET_NO_FIELD,
.link_addr = GRUB_KERNEL_I386_IEEE1275_LINK_ADDR
.link_addr = GRUB_KERNEL_I386_IEEE1275_LINK_ADDR,
.elf_target = EM_386,
.mod_gap = GRUB_KERNEL_I386_IEEE1275_MOD_GAP,
.mod_align = GRUB_KERNEL_I386_IEEE1275_MOD_ALIGN,
.link_align = 4,
},
{
.name = "i386-qemu",
@ -228,7 +237,11 @@ struct image_target_desc image_targets[] =
.vaddr_offset = 0,
.install_dos_part = TARGET_NO_FIELD,
.install_bsd_part = TARGET_NO_FIELD,
.link_addr = GRUB_KERNEL_POWERPC_IEEE1275_LINK_ADDR
.link_addr = GRUB_KERNEL_POWERPC_IEEE1275_LINK_ADDR,
.elf_target = EM_PPC,
.mod_gap = GRUB_KERNEL_POWERPC_IEEE1275_MOD_GAP,
.mod_align = GRUB_KERNEL_POWERPC_IEEE1275_MOD_ALIGN,
.link_align = 4
},
{
.name = "sparc64-ieee1275-raw",
@ -463,7 +476,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
grub_size_t bss_size;
grub_uint64_t start_address;
void *rel_section;
grub_size_t reloc_size;
grub_size_t reloc_size, align;
path_list = grub_util_resolve_dependencies (dir, "moddep.lst", mods);
kernel_path = grub_util_get_path (dir, "kernel.img");
@ -503,11 +516,11 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
if (image_target->voidp_sizeof == 4)
kernel_img = load_image32 (kernel_path, &exec_size, &kernel_size, &bss_size,
total_module_size, &start_address, &rel_section,
&reloc_size, image_target);
&reloc_size, &align, image_target);
else
kernel_img = load_image64 (kernel_path, &exec_size, &kernel_size, &bss_size,
total_module_size, &start_address, &rel_section,
&reloc_size, image_target);
&reloc_size, &align, image_target);
if (image_target->prefix + strlen (prefix) + 1 > image_target->data_end)
grub_util_error (_("prefix is too long"));
@ -961,6 +974,9 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
grub_uint32_t target_addr;
int header_size, footer_size = 0;
int phnum = 1;
if (image_target->id != IMAGE_YEELOONG_ELF)
phnum += 2;
if (note)
{
@ -994,7 +1010,10 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
/* No section headers. */
ehdr->e_shoff = grub_host_to_target32 (0);
ehdr->e_shentsize = grub_host_to_target16 (0);
if (image_target->id == IMAGE_YEELOONG_ELF)
ehdr->e_shentsize = grub_host_to_target16 (0);
else
ehdr->e_shentsize = grub_host_to_target16 (sizeof (Elf32_Shdr));
ehdr->e_shnum = grub_host_to_target16 (0);
ehdr->e_shstrndx = grub_host_to_target16 (0);
@ -1012,14 +1031,44 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
ehdr->e_entry = grub_host_to_target32 (target_addr);
phdr->p_vaddr = grub_host_to_target32 (target_addr);
phdr->p_paddr = grub_host_to_target32 (target_addr);
phdr->p_align = grub_host_to_target32 (image_target->link_align);
phdr->p_align = grub_host_to_target32 (align > image_target->link_align ? align : image_target->link_align);
if (image_target->id == IMAGE_YEELOONG_ELF)
ehdr->e_flags = grub_host_to_target32 (0x1000 | EF_MIPS_NOREORDER
| EF_MIPS_PIC | EF_MIPS_CPIC);
else
ehdr->e_flags = 0;
phdr->p_filesz = grub_host_to_target32 (core_size);
phdr->p_memsz = grub_host_to_target32 (core_size);
if (image_target->id == IMAGE_YEELOONG_ELF)
{
phdr->p_filesz = grub_host_to_target32 (core_size);
phdr->p_memsz = grub_host_to_target32 (core_size);
}
else
{
grub_uint32_t target_addr_mods;
phdr->p_filesz = grub_host_to_target32 (kernel_size);
phdr->p_memsz = grub_host_to_target32 (kernel_size + bss_size);
phdr++;
phdr->p_type = grub_host_to_target32 (PT_GNU_STACK);
phdr->p_offset = grub_host_to_target32 (header_size + kernel_size);
phdr->p_paddr = phdr->p_vaddr = phdr->p_filesz = phdr->p_memsz = 0;
phdr->p_flags = grub_host_to_target32 (PF_R | PF_W | PF_X);
phdr->p_align = grub_host_to_target32 (image_target->link_align);
phdr++;
phdr->p_type = grub_host_to_target32 (PT_LOAD);
phdr->p_offset = grub_host_to_target32 (header_size + kernel_size);
phdr->p_flags = grub_host_to_target32 (PF_R | PF_W | PF_X);
phdr->p_filesz = phdr->p_memsz
= grub_host_to_target32 (core_size - kernel_size);
target_addr_mods = ALIGN_UP (target_addr + kernel_size + bss_size
+ image_target->mod_gap,
image_target->mod_align);
phdr->p_vaddr = grub_host_to_target32 (target_addr_mods);
phdr->p_paddr = grub_host_to_target32 (target_addr_mods);
phdr->p_align = grub_host_to_target32 (image_target->link_align);
}
if (note)
{
@ -1040,14 +1089,15 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
note->descriptor.virt_size = grub_host_to_target32 (0xffffffff);
note->descriptor.load_base = grub_host_to_target32 (0x00004000);
phdr[1].p_type = grub_host_to_target32 (PT_NOTE);
phdr[1].p_flags = grub_host_to_target32 (PF_R);
phdr[1].p_align = grub_host_to_target32 (image_target->voidp_sizeof);
phdr[1].p_vaddr = 0;
phdr[1].p_paddr = 0;
phdr[1].p_filesz = grub_host_to_target32 (note_size);
phdr[1].p_memsz = 0;
phdr[1].p_offset = grub_host_to_target32 (header_size + program_size);
phdr++;
phdr->p_type = grub_host_to_target32 (PT_NOTE);
phdr->p_flags = grub_host_to_target32 (PF_R);
phdr->p_align = grub_host_to_target32 (image_target->voidp_sizeof);
phdr->p_vaddr = 0;
phdr->p_paddr = 0;
phdr->p_filesz = grub_host_to_target32 (note_size);
phdr->p_memsz = 0;
phdr->p_offset = grub_host_to_target32 (header_size + program_size);
}
free (core_img);

87
util/grub-mkimagexx.c
View File

@ -523,6 +523,7 @@ static Elf_Addr *
SUFFIX (locate_sections) (Elf_Shdr *sections, Elf_Half section_entsize,
Elf_Half num_sections, const char *strtab,
grub_size_t *exec_size, grub_size_t *kernel_sz,
grub_size_t *all_align,
struct image_target_desc *image_target)
{
int i;
@ -530,11 +531,21 @@ SUFFIX (locate_sections) (Elf_Shdr *sections, Elf_Half section_entsize,
Elf_Addr *section_addresses;
Elf_Shdr *s;
*all_align = 1;
section_addresses = xmalloc (sizeof (*section_addresses) * num_sections);
memset (section_addresses, 0, sizeof (*section_addresses) * num_sections);
current_address = 0;
for (i = 0, s = sections;
i < num_sections;
i++, s = (Elf_Shdr *) ((char *) s + section_entsize))
if ((grub_target_to_host (s->sh_flags) & SHF_ALLOC)
&& grub_host_to_target32 (s->sh_addralign) > *all_align)
*all_align = grub_host_to_target32 (s->sh_addralign);
/* .text */
for (i = 0, s = sections;
i < num_sections;
@ -546,7 +557,6 @@ SUFFIX (locate_sections) (Elf_Shdr *sections, Elf_Half section_entsize,
if (align)
current_address = ALIGN_UP (current_address + image_target->vaddr_offset,
align) - image_target->vaddr_offset;
grub_util_info ("locating the section %s at 0x%x",
name, current_address);
section_addresses[i] = current_address;
@ -589,6 +599,7 @@ SUFFIX (load_image) (const char *kernel_path, grub_size_t *exec_size,
grub_size_t *kernel_sz, grub_size_t *bss_size,
grub_size_t total_module_size, grub_uint64_t *start,
void **reloc_section, grub_size_t *reloc_size,
grub_size_t *align,
struct image_target_desc *image_target)
{
char *kernel_img, *out_img;
@ -631,44 +642,47 @@ SUFFIX (load_image) (const char *kernel_path, grub_size_t *exec_size,
section_addresses = SUFFIX (locate_sections) (sections, section_entsize,
num_sections, strtab,
exec_size, kernel_sz, image_target);
exec_size, kernel_sz, align,
image_target);
section_vaddresses = xmalloc (sizeof (*section_addresses) * num_sections);
for (i = 0; i < num_sections; i++)
section_vaddresses[i] = section_addresses[i] + image_target->vaddr_offset;
if (image_target->id != IMAGE_EFI)
{
Elf_Addr current_address = *kernel_sz;
for (i = 0, s = sections;
i < num_sections;
i++, s = (Elf_Shdr *) ((char *) s + section_entsize))
if (grub_target_to_host32 (s->sh_type) == SHT_NOBITS)
{
Elf_Word align = grub_host_to_target32 (s->sh_addralign);
const char *name = strtab + grub_host_to_target32 (s->sh_name);
if (align)
current_address = ALIGN_UP (current_address
+ image_target->vaddr_offset, align)
- image_target->vaddr_offset;
grub_util_info ("locating the section %s at 0x%x",
name, current_address);
section_vaddresses[i] = current_address
+ image_target->vaddr_offset;
current_address += grub_host_to_target_addr (s->sh_size);
}
current_address = ALIGN_UP (current_address + image_target->vaddr_offset,
image_target->section_align)
- image_target->vaddr_offset;
*bss_size = current_address - *kernel_sz;
}
else
*bss_size = 0;
if (image_target->id == IMAGE_EFI)
{
section_vaddresses = xmalloc (sizeof (*section_addresses) * num_sections);
for (i = 0; i < num_sections; i++)
section_vaddresses[i] = section_addresses[i] + image_target->vaddr_offset;
#if 0
{
Elf_Addr current_address = *kernel_sz;
for (i = 0, s = sections;
i < num_sections;
i++, s = (Elf_Shdr *) ((char *) s + section_entsize))
if (grub_target_to_host32 (s->sh_type) == SHT_NOBITS)
{
Elf_Word align = grub_host_to_target32 (s->sh_addralign);
const char *name = strtab + grub_host_to_target32 (s->sh_name);
if (align)
current_address = ALIGN_UP (current_address + VADDR_OFFSET, align)
- VADDR_OFFSET;
grub_util_info ("locating the section %s at 0x%x",
name, current_address);
section_vaddresses[i] = current_address + VADDR_OFFSET;
current_address += grub_host_to_target_addr (s->sh_size);
}
current_address = ALIGN_UP (current_address + VADDR_OFFSET, SECTION_ALIGN)
- VADDR_OFFSET;
*bss_size = current_address - *kernel_sz;
}
#else
*bss_size = 0;
#endif
symtab_section = NULL;
for (i = 0, s = sections;
i < num_sections;
@ -699,7 +713,6 @@ SUFFIX (load_image) (const char *kernel_path, grub_size_t *exec_size,
}
else
{
*bss_size = 0;
*reloc_size = 0;
*reloc_section = NULL;
}