/* grub-mkimage.c - make a bootable image */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see .
*/
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#define ALIGN_ADDR(x) (ALIGN_UP((x), image_target->voidp_sizeof))
#ifdef USE_LIBLZMA
#include
#endif
#define TARGET_NO_FIELD 0xffffffff
/* use 2015-01-01T00:00:00+0000 as a stock timestamp */
#define STABLE_EMBEDDING_TIMESTAMP 1420070400
struct grub_install_image_target_desc
{
const char *dirname;
const char *names[6];
grub_size_t voidp_sizeof;
int bigendian;
enum {
IMAGE_I386_PC, IMAGE_EFI, IMAGE_COREBOOT,
IMAGE_SPARC64_AOUT, IMAGE_SPARC64_RAW, IMAGE_SPARC64_CDCORE,
IMAGE_I386_IEEE1275,
IMAGE_LOONGSON_ELF, IMAGE_QEMU, IMAGE_PPC, IMAGE_YEELOONG_FLASH,
IMAGE_FULOONG2F_FLASH, IMAGE_I386_PC_PXE, IMAGE_MIPS_ARC,
IMAGE_QEMU_MIPS_FLASH, IMAGE_UBOOT, IMAGE_XEN, IMAGE_I386_PC_ELTORITO
} id;
enum
{
PLATFORM_FLAGS_NONE = 0,
PLATFORM_FLAGS_DECOMPRESSORS = 2,
PLATFORM_FLAGS_MODULES_BEFORE_KERNEL = 4,
} flags;
unsigned total_module_size;
unsigned decompressor_compressed_size;
unsigned decompressor_uncompressed_size;
unsigned decompressor_uncompressed_addr;
unsigned link_align;
grub_uint16_t elf_target;
unsigned section_align;
signed vaddr_offset;
grub_uint64_t link_addr;
unsigned mod_gap, mod_align;
grub_compression_t default_compression;
grub_uint16_t pe_target;
};
#define EFI32_HEADER_SIZE ALIGN_UP (GRUB_PE32_MSDOS_STUB_SIZE \
+ GRUB_PE32_SIGNATURE_SIZE \
+ sizeof (struct grub_pe32_coff_header) \
+ sizeof (struct grub_pe32_optional_header) \
+ 4 * sizeof (struct grub_pe32_section_table), \
GRUB_PE32_SECTION_ALIGNMENT)
#define EFI64_HEADER_SIZE ALIGN_UP (GRUB_PE32_MSDOS_STUB_SIZE \
+ GRUB_PE32_SIGNATURE_SIZE \
+ sizeof (struct grub_pe32_coff_header) \
+ sizeof (struct grub_pe64_optional_header) \
+ 4 * sizeof (struct grub_pe32_section_table), \
GRUB_PE32_SECTION_ALIGNMENT)
static const struct grub_install_image_target_desc image_targets[] =
{
{
.dirname = "i386-coreboot",
.names = { "i386-coreboot", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_COREBOOT,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.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
},
{
.dirname = "i386-multiboot",
.names = { "i386-multiboot", NULL},
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_COREBOOT,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.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
},
{
.dirname = "i386-pc",
.names = { "i386-pc", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_I386_PC,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_I386_PC_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_I386_PC_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_I386_PC_LINK_ADDR,
.default_compression = GRUB_COMPRESSION_LZMA
},
{
.dirname = "i386-pc",
.names = { "i386-pc-pxe", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_I386_PC_PXE,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_I386_PC_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_I386_PC_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_I386_PC_LINK_ADDR,
.default_compression = GRUB_COMPRESSION_LZMA
},
{
.dirname = "i386-pc",
.names = { "i386-pc-eltorito", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_I386_PC_ELTORITO,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_I386_PC_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_I386_PC_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_I386_PC_LINK_ADDR,
.default_compression = GRUB_COMPRESSION_LZMA
},
{
.dirname = "i386-efi",
.names = { "i386-efi", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_EFI,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = GRUB_PE32_SECTION_ALIGNMENT,
.vaddr_offset = EFI32_HEADER_SIZE,
.pe_target = GRUB_PE32_MACHINE_I386,
.elf_target = EM_386,
},
{
.dirname = "i386-ieee1275",
.names = { "i386-ieee1275", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_I386_IEEE1275,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.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,
},
{
.dirname = "i386-qemu",
.names = { "i386-qemu", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_QEMU,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_I386_QEMU_LINK_ADDR
},
{
.dirname = "x86_64-efi",
.names = { "x86_64-efi", NULL },
.voidp_sizeof = 8,
.bigendian = 0,
.id = IMAGE_EFI,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = GRUB_PE32_SECTION_ALIGNMENT,
.vaddr_offset = EFI64_HEADER_SIZE,
.pe_target = GRUB_PE32_MACHINE_X86_64,
.elf_target = EM_X86_64,
},
{
.dirname = "i386-xen",
.names = { "i386-xen", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_XEN,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = 0,
.elf_target = EM_386,
.mod_gap = GRUB_KERNEL_I386_XEN_MOD_GAP,
.mod_align = GRUB_KERNEL_I386_XEN_MOD_ALIGN,
.link_align = 4
},
{
.dirname = "x86_64-xen",
.names = { "x86_64-xen", NULL },
.voidp_sizeof = 8,
.bigendian = 0,
.id = IMAGE_XEN,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = 0,
.elf_target = EM_X86_64,
.mod_gap = GRUB_KERNEL_X86_64_XEN_MOD_GAP,
.mod_align = GRUB_KERNEL_X86_64_XEN_MOD_ALIGN,
.link_align = 8
},
{
.dirname = "mipsel-loongson",
.names = { "mipsel-yeeloong-flash", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_YEELOONG_FLASH,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = GRUB_KERNEL_MIPS_LOONGSON_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_MIPS_LOONGSON_LINK_ADDR,
.elf_target = EM_MIPS,
.link_align = GRUB_KERNEL_MIPS_LOONGSON_LINK_ALIGN,
.default_compression = GRUB_COMPRESSION_NONE
},
{
.dirname = "mipsel-loongson",
.names = { "mipsel-fuloong2f-flash", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_FULOONG2F_FLASH,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = GRUB_KERNEL_MIPS_LOONGSON_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_MIPS_LOONGSON_LINK_ADDR,
.elf_target = EM_MIPS,
.link_align = GRUB_KERNEL_MIPS_LOONGSON_LINK_ALIGN,
.default_compression = GRUB_COMPRESSION_NONE
},
{
.dirname = "mipsel-loongson",
.names = { "mipsel-loongson-elf", "mipsel-yeeloong-elf",
"mipsel-fuloong2f-elf", "mipsel-fuloong2e-elf",
"mipsel-fuloong-elf", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_LOONGSON_ELF,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = GRUB_KERNEL_MIPS_LOONGSON_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_MIPS_LOONGSON_LINK_ADDR,
.elf_target = EM_MIPS,
.link_align = GRUB_KERNEL_MIPS_LOONGSON_LINK_ALIGN,
.default_compression = GRUB_COMPRESSION_NONE
},
{
.dirname = "powerpc-ieee1275",
.names = { "powerpc-ieee1275", NULL },
.voidp_sizeof = 4,
.bigendian = 1,
.id = IMAGE_PPC,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.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
},
{
.dirname = "sparc64-ieee1275",
.names = { "sparc64-ieee1275-raw", NULL },
.voidp_sizeof = 8,
.bigendian = 1,
.id = IMAGE_SPARC64_RAW,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = GRUB_KERNEL_SPARC64_IEEE1275_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_SPARC64_IEEE1275_LINK_ADDR,
.mod_align = GRUB_KERNEL_SPARC64_IEEE1275_MOD_ALIGN,
},
{
.dirname = "sparc64-ieee1275",
.names = { "sparc64-ieee1275-cdcore", NULL },
.voidp_sizeof = 8,
.bigendian = 1,
.id = IMAGE_SPARC64_CDCORE,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = GRUB_KERNEL_SPARC64_IEEE1275_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_SPARC64_IEEE1275_LINK_ADDR,
.mod_align = GRUB_KERNEL_SPARC64_IEEE1275_MOD_ALIGN,
},
{
.dirname = "sparc64-ieee1275",
.names = { "sparc64-ieee1275-aout", NULL },
.voidp_sizeof = 8,
.bigendian = 1,
.id = IMAGE_SPARC64_AOUT,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = GRUB_KERNEL_SPARC64_IEEE1275_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_SPARC64_IEEE1275_LINK_ADDR,
.mod_align = GRUB_KERNEL_SPARC64_IEEE1275_MOD_ALIGN,
},
{
.dirname = "ia64-efi",
.names = {"ia64-efi", NULL},
.voidp_sizeof = 8,
.bigendian = 0,
.id = IMAGE_EFI,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = GRUB_PE32_SECTION_ALIGNMENT,
.vaddr_offset = EFI64_HEADER_SIZE,
.pe_target = GRUB_PE32_MACHINE_IA64,
.elf_target = EM_IA_64,
},
{
.dirname = "mips-arc",
.names = {"mips-arc", NULL},
.voidp_sizeof = 4,
.bigendian = 1,
.id = IMAGE_MIPS_ARC,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = GRUB_KERNEL_MIPS_ARC_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_MIPS_ARC_LINK_ADDR,
.elf_target = EM_MIPS,
.link_align = GRUB_KERNEL_MIPS_ARC_LINK_ALIGN,
.default_compression = GRUB_COMPRESSION_NONE
},
{
.dirname = "mipsel-arc",
.names = {"mipsel-arc", NULL},
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_MIPS_ARC,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = GRUB_KERNEL_MIPS_ARC_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_MIPSEL_ARC_LINK_ADDR,
.elf_target = EM_MIPS,
.link_align = GRUB_KERNEL_MIPS_ARC_LINK_ALIGN,
.default_compression = GRUB_COMPRESSION_NONE
},
{
.dirname = "mipsel-qemu_mips",
.names = { "mipsel-qemu_mips-elf", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_LOONGSON_ELF,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = GRUB_KERNEL_MIPS_QEMU_MIPS_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ADDR,
.elf_target = EM_MIPS,
.link_align = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ALIGN,
.default_compression = GRUB_COMPRESSION_NONE
},
{
.dirname = "mips-qemu_mips",
.names = { "mips-qemu_mips-flash", NULL },
.voidp_sizeof = 4,
.bigendian = 1,
.id = IMAGE_QEMU_MIPS_FLASH,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = GRUB_KERNEL_MIPS_QEMU_MIPS_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ADDR,
.elf_target = EM_MIPS,
.link_align = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ALIGN,
.default_compression = GRUB_COMPRESSION_NONE
},
{
.dirname = "mipsel-qemu_mips",
.names = { "mipsel-qemu_mips-flash", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_QEMU_MIPS_FLASH,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = GRUB_KERNEL_MIPS_QEMU_MIPS_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ADDR,
.elf_target = EM_MIPS,
.link_align = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ALIGN,
.default_compression = GRUB_COMPRESSION_NONE
},
{
.dirname = "mips-qemu_mips",
.names = { "mips-qemu_mips-elf", NULL },
.voidp_sizeof = 4,
.bigendian = 1,
.id = IMAGE_LOONGSON_ELF,
.flags = PLATFORM_FLAGS_DECOMPRESSORS,
.total_module_size = GRUB_KERNEL_MIPS_QEMU_MIPS_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
.decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
.section_align = 1,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ADDR,
.elf_target = EM_MIPS,
.link_align = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ALIGN,
.default_compression = GRUB_COMPRESSION_NONE
},
{
.dirname = "arm-uboot",
.names = { "arm-uboot", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_UBOOT,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = GRUB_KERNEL_ARM_UBOOT_TOTAL_MODULE_SIZE,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = GRUB_KERNEL_ARM_UBOOT_MOD_ALIGN,
.vaddr_offset = 0,
.link_addr = GRUB_KERNEL_ARM_UBOOT_LINK_ADDR,
.elf_target = EM_ARM,
.mod_gap = GRUB_KERNEL_ARM_UBOOT_MOD_GAP,
.mod_align = GRUB_KERNEL_ARM_UBOOT_MOD_ALIGN,
.link_align = 4
},
{
.dirname = "arm-efi",
.names = { "arm-efi", NULL },
.voidp_sizeof = 4,
.bigendian = 0,
.id = IMAGE_EFI,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = GRUB_PE32_SECTION_ALIGNMENT,
.vaddr_offset = ALIGN_UP (GRUB_PE32_MSDOS_STUB_SIZE
+ GRUB_PE32_SIGNATURE_SIZE
+ sizeof (struct grub_pe32_coff_header)
+ sizeof (struct grub_pe32_optional_header)
+ 4 * sizeof (struct grub_pe32_section_table),
GRUB_PE32_SECTION_ALIGNMENT),
.pe_target = GRUB_PE32_MACHINE_ARMTHUMB_MIXED,
.elf_target = EM_ARM,
},
{
.dirname = "arm64-efi",
.names = { "arm64-efi", NULL },
.voidp_sizeof = 8,
.bigendian = 0,
.id = IMAGE_EFI,
.flags = PLATFORM_FLAGS_NONE,
.total_module_size = TARGET_NO_FIELD,
.decompressor_compressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_size = TARGET_NO_FIELD,
.decompressor_uncompressed_addr = TARGET_NO_FIELD,
.section_align = GRUB_PE32_SECTION_ALIGNMENT,
.vaddr_offset = EFI64_HEADER_SIZE,
.pe_target = GRUB_PE32_MACHINE_ARM64,
.elf_target = EM_AARCH64,
},
};
#define grub_target_to_host32(x) (grub_target_to_host32_real (image_target, (x)))
#define grub_host_to_target32(x) (grub_host_to_target32_real (image_target, (x)))
#define grub_target_to_host64(x) (grub_target_to_host64_real (image_target, (x)))
#define grub_host_to_target64(x) (grub_host_to_target64_real (image_target, (x)))
#define grub_host_to_target_addr(x) (grub_host_to_target_addr_real (image_target, (x)))
#define grub_target_to_host16(x) (grub_target_to_host16_real (image_target, (x)))
#define grub_host_to_target16(x) (grub_host_to_target16_real (image_target, (x)))
static inline grub_uint32_t
grub_target_to_host32_real (const struct grub_install_image_target_desc *image_target,
grub_uint32_t in)
{
if (image_target->bigendian)
return grub_be_to_cpu32 (in);
else
return grub_le_to_cpu32 (in);
}
static inline grub_uint64_t
grub_target_to_host64_real (const struct grub_install_image_target_desc *image_target,
grub_uint64_t in)
{
if (image_target->bigendian)
return grub_be_to_cpu64 (in);
else
return grub_le_to_cpu64 (in);
}
static inline grub_uint64_t
grub_host_to_target64_real (const struct grub_install_image_target_desc *image_target,
grub_uint64_t in)
{
if (image_target->bigendian)
return grub_cpu_to_be64 (in);
else
return grub_cpu_to_le64 (in);
}
static inline grub_uint32_t
grub_host_to_target32_real (const struct grub_install_image_target_desc *image_target,
grub_uint32_t in)
{
if (image_target->bigendian)
return grub_cpu_to_be32 (in);
else
return grub_cpu_to_le32 (in);
}
static inline grub_uint16_t
grub_target_to_host16_real (const struct grub_install_image_target_desc *image_target,
grub_uint16_t in)
{
if (image_target->bigendian)
return grub_be_to_cpu16 (in);
else
return grub_le_to_cpu16 (in);
}
static inline grub_uint16_t
grub_host_to_target16_real (const struct grub_install_image_target_desc *image_target,
grub_uint16_t in)
{
if (image_target->bigendian)
return grub_cpu_to_be16 (in);
else
return grub_cpu_to_le16 (in);
}
static inline grub_uint64_t
grub_host_to_target_addr_real (const struct grub_install_image_target_desc *image_target, grub_uint64_t in)
{
if (image_target->voidp_sizeof == 8)
return grub_host_to_target64_real (image_target, in);
else
return grub_host_to_target32_real (image_target, in);
}
static inline grub_uint64_t
grub_target_to_host_real (const struct grub_install_image_target_desc *image_target, grub_uint64_t in)
{
if (image_target->voidp_sizeof == 8)
return grub_target_to_host64_real (image_target, in);
else
return grub_target_to_host32_real (image_target, in);
}
#define GRUB_IEEE1275_NOTE_NAME "PowerPC"
#define GRUB_IEEE1275_NOTE_TYPE 0x1275
/* These structures are defined according to the CHRP binding to IEEE1275,
"Client Program Format" section. */
struct grub_ieee1275_note_desc
{
grub_uint32_t real_mode;
grub_uint32_t real_base;
grub_uint32_t real_size;
grub_uint32_t virt_base;
grub_uint32_t virt_size;
grub_uint32_t load_base;
};
struct grub_ieee1275_note
{
Elf32_Nhdr header;
char name[ALIGN_UP(sizeof (GRUB_IEEE1275_NOTE_NAME), 4)];
struct grub_ieee1275_note_desc descriptor;
};
#define GRUB_XEN_NOTE_NAME "Xen"
#define grub_target_to_host(val) grub_target_to_host_real(image_target, (val))
#include
static void *SzAlloc(void *p __attribute__ ((unused)), size_t size) { return xmalloc(size); }
static void SzFree(void *p __attribute__ ((unused)), void *address) { free(address); }
static ISzAlloc g_Alloc = { SzAlloc, SzFree };
static void
compress_kernel_lzma (char *kernel_img, size_t kernel_size,
char **core_img, size_t *core_size)
{
CLzmaEncProps props;
unsigned char out_props[5];
size_t out_props_size = 5;
LzmaEncProps_Init(&props);
props.dictSize = 1 << 16;
props.lc = 3;
props.lp = 0;
props.pb = 2;
props.numThreads = 1;
*core_img = xmalloc (kernel_size);
*core_size = kernel_size;
if (LzmaEncode ((unsigned char *) *core_img, core_size,
(unsigned char *) kernel_img,
kernel_size,
&props, out_props, &out_props_size,
0, NULL, &g_Alloc, &g_Alloc) != SZ_OK)
grub_util_error ("%s", _("cannot compress the kernel image"));
}
#ifdef USE_LIBLZMA
static void
compress_kernel_xz (char *kernel_img, size_t kernel_size,
char **core_img, size_t *core_size)
{
lzma_stream strm = LZMA_STREAM_INIT;
lzma_ret xzret;
lzma_options_lzma lzopts = {
.dict_size = 1 << 16,
.preset_dict = NULL,
.preset_dict_size = 0,
.lc = 3,
.lp = 0,
.pb = 2,
.mode = LZMA_MODE_NORMAL,
.nice_len = 64,
.mf = LZMA_MF_BT4,
.depth = 0,
};
lzma_filter fltrs[] = {
{ .id = LZMA_FILTER_LZMA2, .options = &lzopts},
{ .id = LZMA_VLI_UNKNOWN, .options = NULL}
};
xzret = lzma_stream_encoder (&strm, fltrs, LZMA_CHECK_NONE);
if (xzret != LZMA_OK)
grub_util_error ("%s", _("cannot compress the kernel image"));
*core_img = xmalloc (kernel_size);
*core_size = kernel_size;
strm.next_in = (unsigned char *) kernel_img;
strm.avail_in = kernel_size;
strm.next_out = (unsigned char *) *core_img;
strm.avail_out = *core_size;
while (1)
{
xzret = lzma_code (&strm, LZMA_FINISH);
if (xzret == LZMA_OK)
continue;
if (xzret == LZMA_STREAM_END)
break;
grub_util_error ("%s", _("cannot compress the kernel image"));
}
*core_size -= strm.avail_out;
}
#endif
static void
compress_kernel (const struct grub_install_image_target_desc *image_target, char *kernel_img,
size_t kernel_size, char **core_img, size_t *core_size,
grub_compression_t comp)
{
if (image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS
&& (comp == GRUB_COMPRESSION_LZMA))
{
compress_kernel_lzma (kernel_img, kernel_size, core_img,
core_size);
return;
}
#ifdef USE_LIBLZMA
if (image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS
&& (comp == GRUB_COMPRESSION_XZ))
{
compress_kernel_xz (kernel_img, kernel_size, core_img,
core_size);
return;
}
#endif
if (image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS
&& (comp != GRUB_COMPRESSION_NONE))
grub_util_error (_("unknown compression %d"), comp);
*core_img = xmalloc (kernel_size);
memcpy (*core_img, kernel_img, kernel_size);
*core_size = kernel_size;
}
struct fixup_block_list
{
struct fixup_block_list *next;
int state;
struct grub_pe32_fixup_block b;
};
/*
* R_ARM_THM_CALL/THM_JUMP24
*
* Relocate Thumb (T32) instruction set relative branches:
* B.W, BL and BLX
*/
static grub_err_t
grub_arm_reloc_thm_call (grub_uint16_t *target, Elf32_Addr sym_addr)
{
grub_int32_t offset;
offset = grub_arm_thm_call_get_offset (target);
grub_dprintf ("dl", " sym_addr = 0x%08x", sym_addr);
offset += sym_addr;
grub_dprintf("dl", " BL*: target=%p, sym_addr=0x%08x, offset=%d\n",
target, sym_addr, offset);
/* Keep traditional (pre-Thumb2) limits on blx. In any case if the kernel
is bigger than 2M (currently under 150K) then we probably have a problem
somewhere else. */
if (offset < -0x200000 || offset >= 0x200000)
return grub_error (GRUB_ERR_BAD_MODULE,
"THM_CALL Relocation out of range.");
grub_dprintf ("dl", " relative destination = %p",
(char *) target + offset);
return grub_arm_thm_call_set_offset (target, offset);
}
/*
* R_ARM_THM_JUMP19
*
* Relocate conditional Thumb (T32) B.W
*/
static grub_err_t
grub_arm_reloc_thm_jump19 (grub_uint16_t *target, Elf32_Addr sym_addr)
{
grub_int32_t offset;
if (!(sym_addr & 1))
return grub_error (GRUB_ERR_BAD_MODULE,
"Relocation targeting wrong execution state");
offset = grub_arm_thm_jump19_get_offset (target);
/* Adjust and re-truncate offset */
offset += sym_addr;
if (!grub_arm_thm_jump19_check_offset (offset))
return grub_error (GRUB_ERR_BAD_MODULE,
"THM_JUMP19 Relocation out of range.");
grub_arm_thm_jump19_set_offset (target, offset);
return GRUB_ERR_NONE;
}
/*
* R_ARM_JUMP24
*
* Relocate ARM (A32) B
*/
static grub_err_t
grub_arm_reloc_jump24 (grub_uint32_t *target, Elf32_Addr sym_addr)
{
grub_int32_t offset;
if (sym_addr & 1)
return grub_error (GRUB_ERR_BAD_MODULE,
"Relocation targeting wrong execution state");
offset = grub_arm_jump24_get_offset (target);
offset += sym_addr;
if (!grub_arm_jump24_check_offset (offset))
return grub_error (GRUB_ERR_BAD_MODULE,
"JUMP24 Relocation out of range.");
grub_arm_jump24_set_offset (target, offset);
return GRUB_ERR_NONE;
}
#pragma GCC diagnostic ignored "-Wcast-align"
#define MKIMAGE_ELF32 1
#include "grub-mkimagexx.c"
#undef MKIMAGE_ELF32
#define MKIMAGE_ELF64 1
#include "grub-mkimagexx.c"
#undef MKIMAGE_ELF64
const struct grub_install_image_target_desc *
grub_install_get_image_target (const char *arg)
{
unsigned i, j;
for (i = 0; i < ARRAY_SIZE (image_targets); i++)
for (j = 0; j < ARRAY_SIZE (image_targets[i].names) &&
image_targets[i].names[j]; j++)
if (strcmp (arg, image_targets[i].names[j]) == 0)
return &image_targets[i];
return NULL;
}
const char *
grub_util_get_target_dirname (const struct grub_install_image_target_desc *t)
{
return t->dirname;
}
const char *
grub_util_get_target_name (const struct grub_install_image_target_desc *t)
{
return t->names[0];
}
char *
grub_install_get_image_targets_string (void)
{
int format_len = 0;
char *formats;
char *ptr;
unsigned i;
for (i = 0; i < ARRAY_SIZE (image_targets); i++)
format_len += strlen (image_targets[i].names[0]) + 2;
ptr = formats = xmalloc (format_len);
for (i = 0; i < ARRAY_SIZE (image_targets); i++)
{
strcpy (ptr, image_targets[i].names[0]);
ptr += strlen (image_targets[i].names[0]);
*ptr++ = ',';
*ptr++ = ' ';
}
ptr[-2] = 0;
return formats;
}
void
grub_install_generate_image (const char *dir, const char *prefix,
FILE *out, const char *outname, char *mods[],
char *memdisk_path, char **pubkey_paths,
size_t npubkeys, char *config_path,
const struct grub_install_image_target_desc *image_target,
int note,
grub_compression_t comp)
{
char *kernel_img, *core_img;
size_t kernel_size, total_module_size, core_size, exec_size;
size_t memdisk_size = 0, config_size = 0;
size_t prefix_size = 0;
char *kernel_path;
size_t offset;
struct grub_util_path_list *path_list, *p;
size_t bss_size;
grub_uint64_t start_address;
void *rel_section = 0;
size_t reloc_size = 0, align;
size_t decompress_size = 0;
if (comp == GRUB_COMPRESSION_AUTO)
comp = image_target->default_compression;
if (image_target->id == IMAGE_I386_PC
|| image_target->id == IMAGE_I386_PC_PXE
|| image_target->id == IMAGE_I386_PC_ELTORITO)
comp = GRUB_COMPRESSION_LZMA;
path_list = grub_util_resolve_dependencies (dir, "moddep.lst", mods);
kernel_path = grub_util_get_path (dir, "kernel.img");
if (image_target->voidp_sizeof == 8)
total_module_size = sizeof (struct grub_module_info64);
else
total_module_size = sizeof (struct grub_module_info32);
{
size_t i;
for (i = 0; i < npubkeys; i++)
{
size_t curs;
curs = ALIGN_ADDR (grub_util_get_image_size (pubkey_paths[i]));
grub_util_info ("the size of public key %u is 0x%"
GRUB_HOST_PRIxLONG_LONG,
(unsigned) i, (unsigned long long) curs);
total_module_size += curs + sizeof (struct grub_module_header);
}
}
if (memdisk_path)
{
memdisk_size = ALIGN_UP(grub_util_get_image_size (memdisk_path), 512);
grub_util_info ("the size of memory disk is 0x%" GRUB_HOST_PRIxLONG_LONG,
(unsigned long long) memdisk_size);
total_module_size += memdisk_size + sizeof (struct grub_module_header);
}
if (config_path)
{
config_size = ALIGN_ADDR (grub_util_get_image_size (config_path) + 1);
grub_util_info ("the size of config file is 0x%" GRUB_HOST_PRIxLONG_LONG,
(unsigned long long) config_size);
total_module_size += config_size + sizeof (struct grub_module_header);
}
if (prefix)
{
prefix_size = ALIGN_ADDR (strlen (prefix) + 1);
total_module_size += prefix_size + sizeof (struct grub_module_header);
}
for (p = path_list; p; p = p->next)
total_module_size += (ALIGN_ADDR (grub_util_get_image_size (p->name))
+ sizeof (struct grub_module_header));
grub_util_info ("the total module size is 0x%" GRUB_HOST_PRIxLONG_LONG,
(unsigned long long) total_module_size);
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, &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, &align, image_target);
if (image_target->id == IMAGE_XEN && align < 4096)
align = 4096;
if ((image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS)
&& (image_target->total_module_size != TARGET_NO_FIELD))
*((grub_uint32_t *) (kernel_img + image_target->total_module_size))
= grub_host_to_target32 (total_module_size);
if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
{
memmove (kernel_img + total_module_size, kernel_img, kernel_size);
memset (kernel_img, 0, total_module_size);
}
if (image_target->voidp_sizeof == 8)
{
/* Fill in the grub_module_info structure. */
struct grub_module_info64 *modinfo;
if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
modinfo = (struct grub_module_info64 *) kernel_img;
else
modinfo = (struct grub_module_info64 *) (kernel_img + kernel_size);
modinfo->magic = grub_host_to_target32 (GRUB_MODULE_MAGIC);
modinfo->offset = grub_host_to_target_addr (sizeof (struct grub_module_info64));
modinfo->size = grub_host_to_target_addr (total_module_size);
if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
offset = sizeof (struct grub_module_info64);
else
offset = kernel_size + sizeof (struct grub_module_info64);
}
else
{
/* Fill in the grub_module_info structure. */
struct grub_module_info32 *modinfo;
if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
modinfo = (struct grub_module_info32 *) kernel_img;
else
modinfo = (struct grub_module_info32 *) (kernel_img + kernel_size);
modinfo->magic = grub_host_to_target32 (GRUB_MODULE_MAGIC);
modinfo->offset = grub_host_to_target_addr (sizeof (struct grub_module_info32));
modinfo->size = grub_host_to_target_addr (total_module_size);
if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
offset = sizeof (struct grub_module_info32);
else
offset = kernel_size + sizeof (struct grub_module_info32);
}
for (p = path_list; p; p = p->next)
{
struct grub_module_header *header;
size_t mod_size;
mod_size = ALIGN_ADDR (grub_util_get_image_size (p->name));
header = (struct grub_module_header *) (kernel_img + offset);
header->type = grub_host_to_target32 (OBJ_TYPE_ELF);
header->size = grub_host_to_target32 (mod_size + sizeof (*header));
offset += sizeof (*header);
grub_util_load_image (p->name, kernel_img + offset);
offset += mod_size;
}
{
size_t i;
for (i = 0; i < npubkeys; i++)
{
size_t curs;
struct grub_module_header *header;
curs = grub_util_get_image_size (pubkey_paths[i]);
header = (struct grub_module_header *) (kernel_img + offset);
header->type = grub_host_to_target32 (OBJ_TYPE_PUBKEY);
header->size = grub_host_to_target32 (curs + sizeof (*header));
offset += sizeof (*header);
grub_util_load_image (pubkey_paths[i], kernel_img + offset);
offset += ALIGN_ADDR (curs);
}
}
if (memdisk_path)
{
struct grub_module_header *header;
header = (struct grub_module_header *) (kernel_img + offset);
header->type = grub_host_to_target32 (OBJ_TYPE_MEMDISK);
header->size = grub_host_to_target32 (memdisk_size + sizeof (*header));
offset += sizeof (*header);
grub_util_load_image (memdisk_path, kernel_img + offset);
offset += memdisk_size;
}
if (config_path)
{
struct grub_module_header *header;
header = (struct grub_module_header *) (kernel_img + offset);
header->type = grub_host_to_target32 (OBJ_TYPE_CONFIG);
header->size = grub_host_to_target32 (config_size + sizeof (*header));
offset += sizeof (*header);
grub_util_load_image (config_path, kernel_img + offset);
offset += config_size;
}
if (prefix)
{
struct grub_module_header *header;
header = (struct grub_module_header *) (kernel_img + offset);
header->type = grub_host_to_target32 (OBJ_TYPE_PREFIX);
header->size = grub_host_to_target32 (prefix_size + sizeof (*header));
offset += sizeof (*header);
grub_strcpy (kernel_img + offset, prefix);
offset += prefix_size;
}
grub_util_info ("kernel_img=%p, kernel_size=0x%" GRUB_HOST_PRIxLONG_LONG,
kernel_img,
(unsigned long long) kernel_size);
compress_kernel (image_target, kernel_img, kernel_size + total_module_size,
&core_img, &core_size, comp);
free (kernel_img);
grub_util_info ("the core size is 0x%" GRUB_HOST_PRIxLONG_LONG,
(unsigned long long) core_size);
if (!(image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS)
&& image_target->total_module_size != TARGET_NO_FIELD)
*((grub_uint32_t *) (core_img + image_target->total_module_size))
= grub_host_to_target32 (total_module_size);
if (image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS)
{
char *full_img;
size_t full_size;
char *decompress_path, *decompress_img;
const char *name;
switch (comp)
{
case GRUB_COMPRESSION_XZ:
name = "xz_decompress.img";
break;
case GRUB_COMPRESSION_LZMA:
name = "lzma_decompress.img";
break;
case GRUB_COMPRESSION_NONE:
name = "none_decompress.img";
break;
default:
grub_util_error (_("unknown compression %d"), comp);
}
decompress_path = grub_util_get_path (dir, name);
decompress_size = grub_util_get_image_size (decompress_path);
decompress_img = grub_util_read_image (decompress_path);
if ((image_target->id == IMAGE_I386_PC
|| image_target->id == IMAGE_I386_PC_PXE
|| image_target->id == IMAGE_I386_PC_ELTORITO)
&& decompress_size > GRUB_KERNEL_I386_PC_LINK_ADDR - 0x8200)
grub_util_error ("%s", _("Decompressor is too big"));
if (image_target->decompressor_compressed_size != TARGET_NO_FIELD)
*((grub_uint32_t *) (decompress_img
+ image_target->decompressor_compressed_size))
= grub_host_to_target32 (core_size);
if (image_target->decompressor_uncompressed_size != TARGET_NO_FIELD)
*((grub_uint32_t *) (decompress_img
+ image_target->decompressor_uncompressed_size))
= grub_host_to_target32 (kernel_size + total_module_size);
if (image_target->decompressor_uncompressed_addr != TARGET_NO_FIELD)
{
if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
*((grub_uint32_t *) (decompress_img + image_target->decompressor_uncompressed_addr))
= grub_host_to_target_addr (image_target->link_addr - total_module_size);
else
*((grub_uint32_t *) (decompress_img + image_target->decompressor_uncompressed_addr))
= grub_host_to_target_addr (image_target->link_addr);
}
full_size = core_size + decompress_size;
full_img = xmalloc (full_size);
memcpy (full_img, decompress_img, decompress_size);
memcpy (full_img + decompress_size, core_img, core_size);
free (core_img);
core_img = full_img;
core_size = full_size;
free (decompress_img);
free (decompress_path);
}
switch (image_target->id)
{
case IMAGE_I386_PC:
case IMAGE_I386_PC_PXE:
case IMAGE_I386_PC_ELTORITO:
if (GRUB_KERNEL_I386_PC_LINK_ADDR + core_size > 0x78000
|| (core_size > (0xffff << GRUB_DISK_SECTOR_BITS))
|| (kernel_size + bss_size + GRUB_KERNEL_I386_PC_LINK_ADDR > 0x68000))
grub_util_error (_("core image is too big (0x%x > 0x%x)"),
GRUB_KERNEL_I386_PC_LINK_ADDR + (unsigned) core_size,
0x78000);
/* fallthrough */
case IMAGE_COREBOOT:
case IMAGE_QEMU:
if (kernel_size + bss_size + GRUB_KERNEL_I386_PC_LINK_ADDR > 0x68000)
grub_util_error (_("kernel image is too big (0x%x > 0x%x)"),
(unsigned) kernel_size + (unsigned) bss_size
+ GRUB_KERNEL_I386_PC_LINK_ADDR,
0x68000);
break;
case IMAGE_LOONGSON_ELF:
case IMAGE_YEELOONG_FLASH:
case IMAGE_FULOONG2F_FLASH:
case IMAGE_EFI:
case IMAGE_MIPS_ARC:
case IMAGE_QEMU_MIPS_FLASH:
case IMAGE_XEN:
break;
case IMAGE_SPARC64_AOUT:
case IMAGE_SPARC64_RAW:
case IMAGE_SPARC64_CDCORE:
case IMAGE_I386_IEEE1275:
case IMAGE_PPC:
case IMAGE_UBOOT:
break;
}
switch (image_target->id)
{
case IMAGE_I386_PC:
case IMAGE_I386_PC_PXE:
case IMAGE_I386_PC_ELTORITO:
{
unsigned num;
char *boot_path, *boot_img;
size_t boot_size;
num = ((core_size + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS);
if (image_target->id == IMAGE_I386_PC_PXE)
{
char *pxeboot_path, *pxeboot_img;
size_t pxeboot_size;
grub_uint32_t *ptr;
pxeboot_path = grub_util_get_path (dir, "pxeboot.img");
pxeboot_size = grub_util_get_image_size (pxeboot_path);
pxeboot_img = grub_util_read_image (pxeboot_path);
grub_util_write_image (pxeboot_img, pxeboot_size, out,
outname);
free (pxeboot_img);
free (pxeboot_path);
/* Remove Multiboot header to avoid confusing ipxe. */
for (ptr = (grub_uint32_t *) core_img;
ptr < (grub_uint32_t *) (core_img + MULTIBOOT_SEARCH); ptr++)
if (*ptr == grub_host_to_target32 (MULTIBOOT_HEADER_MAGIC)
&& grub_target_to_host32 (ptr[0])
+ grub_target_to_host32 (ptr[1])
+ grub_target_to_host32 (ptr[2]) == 0)
{
*ptr = 0;
break;
}
}
if (image_target->id == IMAGE_I386_PC_ELTORITO)
{
char *eltorito_path, *eltorito_img;
size_t eltorito_size;
eltorito_path = grub_util_get_path (dir, "cdboot.img");
eltorito_size = grub_util_get_image_size (eltorito_path);
eltorito_img = grub_util_read_image (eltorito_path);
grub_util_write_image (eltorito_img, eltorito_size, out,
outname);
free (eltorito_img);
free (eltorito_path);
}
boot_path = grub_util_get_path (dir, "diskboot.img");
boot_size = grub_util_get_image_size (boot_path);
if (boot_size != GRUB_DISK_SECTOR_SIZE)
grub_util_error (_("diskboot.img size must be %u bytes"),
GRUB_DISK_SECTOR_SIZE);
boot_img = grub_util_read_image (boot_path);
{
struct grub_pc_bios_boot_blocklist *block;
block = (struct grub_pc_bios_boot_blocklist *) (boot_img
+ GRUB_DISK_SECTOR_SIZE
- sizeof (*block));
block->len = grub_host_to_target16 (num);
/* This is filled elsewhere. Verify it just in case. */
assert (block->segment
== grub_host_to_target16 (GRUB_BOOT_I386_PC_KERNEL_SEG
+ (GRUB_DISK_SECTOR_SIZE >> 4)));
}
grub_util_write_image (boot_img, boot_size, out, outname);
free (boot_img);
free (boot_path);
}
break;
case IMAGE_EFI:
{
void *pe_img;
grub_uint8_t *header;
void *sections;
size_t pe_size;
struct grub_pe32_coff_header *c;
struct grub_pe32_section_table *text_section, *data_section;
struct grub_pe32_section_table *mods_section, *reloc_section;
static const grub_uint8_t stub[] = GRUB_PE32_MSDOS_STUB;
int header_size;
int reloc_addr;
if (image_target->voidp_sizeof == 4)
header_size = EFI32_HEADER_SIZE;
else
header_size = EFI64_HEADER_SIZE;
reloc_addr = ALIGN_UP (header_size + core_size,
image_target->section_align);
pe_size = ALIGN_UP (reloc_addr + reloc_size,
image_target->section_align);
pe_img = xmalloc (reloc_addr + reloc_size);
memset (pe_img, 0, header_size);
memcpy ((char *) pe_img + header_size, core_img, core_size);
memset ((char *) pe_img + header_size + core_size, 0, reloc_addr - (header_size + core_size));
memcpy ((char *) pe_img + reloc_addr, rel_section, reloc_size);
header = pe_img;
/* The magic. */
memcpy (header, stub, GRUB_PE32_MSDOS_STUB_SIZE);
memcpy (header + GRUB_PE32_MSDOS_STUB_SIZE, "PE\0\0",
GRUB_PE32_SIGNATURE_SIZE);
/* The COFF file header. */
c = (struct grub_pe32_coff_header *) (header + GRUB_PE32_MSDOS_STUB_SIZE
+ GRUB_PE32_SIGNATURE_SIZE);
c->machine = grub_host_to_target16 (image_target->pe_target);
c->num_sections = grub_host_to_target16 (4);
c->time = grub_host_to_target32 (STABLE_EMBEDDING_TIMESTAMP);
c->characteristics = grub_host_to_target16 (GRUB_PE32_EXECUTABLE_IMAGE
| GRUB_PE32_LINE_NUMS_STRIPPED
| ((image_target->voidp_sizeof == 4)
? GRUB_PE32_32BIT_MACHINE
: 0)
| GRUB_PE32_LOCAL_SYMS_STRIPPED
| GRUB_PE32_DEBUG_STRIPPED);
/* The PE Optional header. */
if (image_target->voidp_sizeof == 4)
{
struct grub_pe32_optional_header *o;
c->optional_header_size = grub_host_to_target16 (sizeof (struct grub_pe32_optional_header));
o = (struct grub_pe32_optional_header *)
(header + GRUB_PE32_MSDOS_STUB_SIZE + GRUB_PE32_SIGNATURE_SIZE
+ sizeof (struct grub_pe32_coff_header));
o->magic = grub_host_to_target16 (GRUB_PE32_PE32_MAGIC);
o->code_size = grub_host_to_target32 (exec_size);
o->data_size = grub_cpu_to_le32 (reloc_addr - exec_size
- header_size);
o->bss_size = grub_cpu_to_le32 (bss_size);
o->entry_addr = grub_cpu_to_le32 (start_address);
o->code_base = grub_cpu_to_le32 (header_size);
o->data_base = grub_host_to_target32 (header_size + exec_size);
o->image_base = 0;
o->section_alignment = grub_host_to_target32 (image_target->section_align);
o->file_alignment = grub_host_to_target32 (image_target->section_align);
o->image_size = grub_host_to_target32 (pe_size);
o->header_size = grub_host_to_target32 (header_size);
o->subsystem = grub_host_to_target16 (GRUB_PE32_SUBSYSTEM_EFI_APPLICATION);
/* Do these really matter? */
o->stack_reserve_size = grub_host_to_target32 (0x10000);
o->stack_commit_size = grub_host_to_target32 (0x10000);
o->heap_reserve_size = grub_host_to_target32 (0x10000);
o->heap_commit_size = grub_host_to_target32 (0x10000);
o->num_data_directories = grub_host_to_target32 (GRUB_PE32_NUM_DATA_DIRECTORIES);
o->base_relocation_table.rva = grub_host_to_target32 (reloc_addr);
o->base_relocation_table.size = grub_host_to_target32 (reloc_size);
sections = o + 1;
}
else
{
struct grub_pe64_optional_header *o;
c->optional_header_size = grub_host_to_target16 (sizeof (struct grub_pe64_optional_header));
o = (struct grub_pe64_optional_header *)
(header + GRUB_PE32_MSDOS_STUB_SIZE + GRUB_PE32_SIGNATURE_SIZE
+ sizeof (struct grub_pe32_coff_header));
o->magic = grub_host_to_target16 (GRUB_PE32_PE64_MAGIC);
o->code_size = grub_host_to_target32 (exec_size);
o->data_size = grub_cpu_to_le32 (reloc_addr - exec_size
- header_size);
o->bss_size = grub_cpu_to_le32 (bss_size);
o->entry_addr = grub_cpu_to_le32 (start_address);
o->code_base = grub_cpu_to_le32 (header_size);
o->image_base = 0;
o->section_alignment = grub_host_to_target32 (image_target->section_align);
o->file_alignment = grub_host_to_target32 (image_target->section_align);
o->image_size = grub_host_to_target32 (pe_size);
o->header_size = grub_host_to_target32 (header_size);
o->subsystem = grub_host_to_target16 (GRUB_PE32_SUBSYSTEM_EFI_APPLICATION);
/* Do these really matter? */
o->stack_reserve_size = grub_host_to_target64 (0x10000);
o->stack_commit_size = grub_host_to_target64 (0x10000);
o->heap_reserve_size = grub_host_to_target64 (0x10000);
o->heap_commit_size = grub_host_to_target64 (0x10000);
o->num_data_directories
= grub_host_to_target32 (GRUB_PE32_NUM_DATA_DIRECTORIES);
o->base_relocation_table.rva = grub_host_to_target32 (reloc_addr);
o->base_relocation_table.size = grub_host_to_target32 (reloc_size);
sections = o + 1;
}
/* The sections. */
text_section = sections;
strcpy (text_section->name, ".text");
text_section->virtual_size = grub_cpu_to_le32 (exec_size);
text_section->virtual_address = grub_cpu_to_le32 (header_size);
text_section->raw_data_size = grub_cpu_to_le32 (exec_size);
text_section->raw_data_offset = grub_cpu_to_le32 (header_size);
text_section->characteristics = grub_cpu_to_le32_compile_time (
GRUB_PE32_SCN_CNT_CODE
| GRUB_PE32_SCN_MEM_EXECUTE
| GRUB_PE32_SCN_MEM_READ);
data_section = text_section + 1;
strcpy (data_section->name, ".data");
data_section->virtual_size = grub_cpu_to_le32 (kernel_size - exec_size);
data_section->virtual_address = grub_cpu_to_le32 (header_size + exec_size);
data_section->raw_data_size = grub_cpu_to_le32 (kernel_size - exec_size);
data_section->raw_data_offset = grub_cpu_to_le32 (header_size + exec_size);
data_section->characteristics
= grub_cpu_to_le32_compile_time (GRUB_PE32_SCN_CNT_INITIALIZED_DATA
| GRUB_PE32_SCN_MEM_READ
| GRUB_PE32_SCN_MEM_WRITE);
#if 0
bss_section = data_section + 1;
strcpy (bss_section->name, ".bss");
bss_section->virtual_size = grub_cpu_to_le32 (bss_size);
bss_section->virtual_address = grub_cpu_to_le32 (header_size + kernel_size);
bss_section->raw_data_size = 0;
bss_section->raw_data_offset = 0;
bss_section->characteristics
= grub_cpu_to_le32_compile_time (GRUB_PE32_SCN_MEM_READ
| GRUB_PE32_SCN_MEM_WRITE
| GRUB_PE32_SCN_ALIGN_64BYTES
| GRUB_PE32_SCN_CNT_INITIALIZED_DATA
| 0x80);
#endif
mods_section = data_section + 1;
strcpy (mods_section->name, "mods");
mods_section->virtual_size = grub_cpu_to_le32 (reloc_addr - kernel_size - header_size);
mods_section->virtual_address = grub_cpu_to_le32 (header_size + kernel_size + bss_size);
mods_section->raw_data_size = grub_cpu_to_le32 (reloc_addr - kernel_size - header_size);
mods_section->raw_data_offset = grub_cpu_to_le32 (header_size + kernel_size);
mods_section->characteristics
= grub_cpu_to_le32_compile_time (GRUB_PE32_SCN_CNT_INITIALIZED_DATA
| GRUB_PE32_SCN_MEM_READ
| GRUB_PE32_SCN_MEM_WRITE);
reloc_section = mods_section + 1;
strcpy (reloc_section->name, ".reloc");
reloc_section->virtual_size = grub_cpu_to_le32 (reloc_size);
reloc_section->virtual_address = grub_cpu_to_le32 (reloc_addr + bss_size);
reloc_section->raw_data_size = grub_cpu_to_le32 (reloc_size);
reloc_section->raw_data_offset = grub_cpu_to_le32 (reloc_addr);
reloc_section->characteristics
= grub_cpu_to_le32_compile_time (GRUB_PE32_SCN_CNT_INITIALIZED_DATA
| GRUB_PE32_SCN_MEM_DISCARDABLE
| GRUB_PE32_SCN_MEM_READ);
free (core_img);
core_img = pe_img;
core_size = pe_size;
}
break;
case IMAGE_QEMU:
{
char *rom_img;
size_t rom_size;
char *boot_path, *boot_img;
size_t boot_size;
boot_path = grub_util_get_path (dir, "boot.img");
boot_size = grub_util_get_image_size (boot_path);
boot_img = grub_util_read_image (boot_path);
/* Rom sizes must be 64k-aligned. */
rom_size = ALIGN_UP (core_size + boot_size, 64 * 1024);
rom_img = xmalloc (rom_size);
memset (rom_img, 0, rom_size);
*((grub_int32_t *) (core_img + GRUB_KERNEL_I386_QEMU_CORE_ENTRY_ADDR))
= grub_host_to_target32 ((grub_uint32_t) -rom_size);
memcpy (rom_img, core_img, core_size);
*((grub_int32_t *) (boot_img + GRUB_BOOT_I386_QEMU_CORE_ENTRY_ADDR))
= grub_host_to_target32 ((grub_uint32_t) -rom_size);
memcpy (rom_img + rom_size - boot_size, boot_img, boot_size);
free (core_img);
core_img = rom_img;
core_size = rom_size;
free (boot_img);
free (boot_path);
}
break;
case IMAGE_SPARC64_AOUT:
{
void *aout_img;
size_t aout_size;
struct grub_aout32_header *aout_head;
aout_size = core_size + sizeof (*aout_head);
aout_img = xmalloc (aout_size);
aout_head = aout_img;
grub_memset (aout_head, 0, sizeof (*aout_head));
aout_head->a_midmag = grub_host_to_target32 ((AOUT_MID_SUN << 16)
| AOUT32_OMAGIC);
aout_head->a_text = grub_host_to_target32 (core_size);
aout_head->a_entry
= grub_host_to_target32 (GRUB_BOOT_SPARC64_IEEE1275_IMAGE_ADDRESS);
memcpy ((char *) aout_img + sizeof (*aout_head), core_img, core_size);
free (core_img);
core_img = aout_img;
core_size = aout_size;
}
break;
case IMAGE_SPARC64_RAW:
{
unsigned int num;
char *boot_path, *boot_img;
size_t boot_size;
num = ((core_size + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS);
num <<= GRUB_DISK_SECTOR_BITS;
boot_path = grub_util_get_path (dir, "diskboot.img");
boot_size = grub_util_get_image_size (boot_path);
if (boot_size != GRUB_DISK_SECTOR_SIZE)
grub_util_error (_("diskboot.img size must be %u bytes"),
GRUB_DISK_SECTOR_SIZE);
boot_img = grub_util_read_image (boot_path);
*((grub_uint32_t *) (boot_img + GRUB_DISK_SECTOR_SIZE
- GRUB_BOOT_SPARC64_IEEE1275_LIST_SIZE + 8))
= grub_host_to_target32 (num);
grub_util_write_image (boot_img, boot_size, out, outname);
free (boot_img);
free (boot_path);
}
break;
case IMAGE_SPARC64_CDCORE:
break;
case IMAGE_YEELOONG_FLASH:
case IMAGE_FULOONG2F_FLASH:
{
char *rom_img;
size_t rom_size;
char *boot_path, *boot_img;
size_t boot_size;
/* fwstart.img is the only part which can't be tested by using *-elf
target. Check it against the checksum. */
const grub_uint8_t yeeloong_fwstart_good_hash[512 / 8] =
{
0x5f, 0x67, 0x46, 0x57, 0x31, 0x30, 0xc5, 0x0a,
0xe9, 0x98, 0x18, 0xc9, 0xf3, 0xca, 0x45, 0xa5,
0x75, 0x64, 0x6b, 0xbb, 0x24, 0xcd, 0xb4, 0xbc,
0xf2, 0x3e, 0x23, 0xf9, 0xc2, 0x6a, 0x8c, 0xde,
0x3b, 0x94, 0x9c, 0xcc, 0xa5, 0xa7, 0x58, 0xb1,
0xbe, 0x8b, 0x3d, 0x73, 0x98, 0x18, 0x7e, 0x68,
0x5e, 0x5f, 0x23, 0x7d, 0x7a, 0xe8, 0x51, 0xf7,
0x1a, 0xaf, 0x2f, 0x54, 0x11, 0x2e, 0x5c, 0x25
};
const grub_uint8_t fuloong2f_fwstart_good_hash[512 / 8] =
{
0x76, 0x9b, 0xad, 0x6e, 0xa2, 0x39, 0x47, 0x62,
0x1f, 0xc9, 0x3a, 0x6d, 0x05, 0x5c, 0x43, 0x5c,
0x29, 0x4a, 0x7e, 0x08, 0x2a, 0x31, 0x8f, 0x5d,
0x02, 0x84, 0xa0, 0x85, 0xf2, 0xd1, 0xb9, 0x53,
0xa2, 0xbc, 0xf2, 0xe1, 0x39, 0x1e, 0x51, 0xb5,
0xaf, 0xec, 0x9e, 0xf2, 0xf1, 0xf3, 0x0a, 0x2f,
0xe6, 0xf1, 0x08, 0x89, 0xbe, 0xbc, 0x73, 0xab,
0x46, 0x50, 0xd6, 0x21, 0xce, 0x8e, 0x24, 0xa7
};
const grub_uint8_t *fwstart_good_hash;
grub_uint8_t fwstart_hash[512 / 8];
if (image_target->id == IMAGE_FULOONG2F_FLASH)
{
fwstart_good_hash = fuloong2f_fwstart_good_hash;
boot_path = grub_util_get_path (dir, "fwstart_fuloong2f.img");
}
else
{
fwstart_good_hash = yeeloong_fwstart_good_hash;
boot_path = grub_util_get_path (dir, "fwstart.img");
}
boot_size = grub_util_get_image_size (boot_path);
boot_img = grub_util_read_image (boot_path);
grub_crypto_hash (GRUB_MD_SHA512, fwstart_hash, boot_img, boot_size);
if (grub_memcmp (fwstart_hash, fwstart_good_hash,
GRUB_MD_SHA512->mdlen) != 0)
/* TRANSLATORS: fwstart.img may still be good, just it wasn't checked. */
grub_util_warn ("%s",
_("fwstart.img doesn't match the known good version. "
"proceed at your own risk"));
if (core_size + boot_size > 512 * 1024)
grub_util_error ("%s", _("firmware image is too big"));
rom_size = 512 * 1024;
rom_img = xmalloc (rom_size);
memset (rom_img, 0, rom_size);
memcpy (rom_img, boot_img, boot_size);
memcpy (rom_img + boot_size, core_img, core_size);
memset (rom_img + boot_size + core_size, 0,
rom_size - (boot_size + core_size));
free (core_img);
core_img = rom_img;
core_size = rom_size;
free (boot_img);
free (boot_path);
}
break;
case IMAGE_QEMU_MIPS_FLASH:
{
char *rom_img;
size_t rom_size;
if (core_size > 512 * 1024)
grub_util_error ("%s", _("firmware image is too big"));
rom_size = 512 * 1024;
rom_img = xmalloc (rom_size);
memset (rom_img, 0, rom_size);
memcpy (rom_img, core_img, core_size);
memset (rom_img + core_size, 0,
rom_size - core_size);
free (core_img);
core_img = rom_img;
core_size = rom_size;
}
break;
case IMAGE_UBOOT:
{
struct grub_uboot_image_header *hdr;
hdr = xmalloc (core_size + sizeof (struct grub_uboot_image_header));
memcpy (hdr + 1, core_img, core_size);
memset (hdr, 0, sizeof (*hdr));
hdr->ih_magic = grub_cpu_to_be32_compile_time (GRUB_UBOOT_IH_MAGIC);
hdr->ih_time = grub_cpu_to_be32 (STABLE_EMBEDDING_TIMESTAMP);
hdr->ih_size = grub_cpu_to_be32 (core_size);
hdr->ih_load = grub_cpu_to_be32 (image_target->link_addr);
hdr->ih_ep = grub_cpu_to_be32 (image_target->link_addr);
hdr->ih_type = GRUB_UBOOT_IH_TYPE_KERNEL;
hdr->ih_os = GRUB_UBOOT_IH_OS_LINUX;
hdr->ih_arch = GRUB_UBOOT_IH_ARCH_ARM;
hdr->ih_comp = GRUB_UBOOT_IH_COMP_NONE;
grub_crypto_hash (GRUB_MD_CRC32, &hdr->ih_dcrc, hdr + 1, core_size);
grub_crypto_hash (GRUB_MD_CRC32, &hdr->ih_hcrc, hdr, sizeof (*hdr));
free (core_img);
core_img = (char *) hdr;
core_size += sizeof (struct grub_uboot_image_header);
}
break;
case IMAGE_MIPS_ARC:
{
char *ecoff_img;
struct ecoff_header {
grub_uint16_t magic;
grub_uint16_t nsec;
grub_uint32_t time;
grub_uint32_t syms;
grub_uint32_t nsyms;
grub_uint16_t opt;
grub_uint16_t flags;
grub_uint16_t magic2;
grub_uint16_t version;
grub_uint32_t textsize;
grub_uint32_t datasize;
grub_uint32_t bsssize;
grub_uint32_t entry;
grub_uint32_t text_start;
grub_uint32_t data_start;
grub_uint32_t bss_start;
grub_uint32_t gprmask;
grub_uint32_t cprmask[4];
grub_uint32_t gp_value;
};
struct ecoff_section
{
char name[8];
grub_uint32_t paddr;
grub_uint32_t vaddr;
grub_uint32_t size;
grub_uint32_t file_offset;
grub_uint32_t reloc;
grub_uint32_t gp;
grub_uint16_t nreloc;
grub_uint16_t ngp;
grub_uint32_t flags;
};
struct ecoff_header *head;
struct ecoff_section *section;
grub_uint32_t target_addr;
size_t program_size;
program_size = ALIGN_ADDR (core_size);
if (comp == GRUB_COMPRESSION_NONE)
target_addr = (image_target->link_addr - decompress_size);
else
target_addr = ALIGN_UP (image_target->link_addr
+ kernel_size + total_module_size, 32);
ecoff_img = xmalloc (program_size + sizeof (*head) + sizeof (*section));
grub_memset (ecoff_img, 0, program_size + sizeof (*head) + sizeof (*section));
head = (void *) ecoff_img;
section = (void *) (head + 1);
head->magic = image_target->bigendian ? grub_host_to_target16 (0x160)
: grub_host_to_target16 (0x166);
head->nsec = grub_host_to_target16 (1);
head->time = grub_host_to_target32 (0);
head->opt = grub_host_to_target16 (0x38);
head->flags = image_target->bigendian
? grub_host_to_target16 (0x207)
: grub_host_to_target16 (0x103);
head->magic2 = grub_host_to_target16 (0x107);
head->textsize = grub_host_to_target32 (program_size);
head->entry = grub_host_to_target32 (target_addr);
head->text_start = grub_host_to_target32 (target_addr);
head->data_start = grub_host_to_target32 (target_addr + program_size);
grub_memcpy (section->name, ".text", sizeof (".text") - 1);
section->vaddr = grub_host_to_target32 (target_addr);
section->size = grub_host_to_target32 (program_size);
section->file_offset = grub_host_to_target32 (sizeof (*head) + sizeof (*section));
if (!image_target->bigendian)
{
section->paddr = grub_host_to_target32 (0xaa60);
section->flags = grub_host_to_target32 (0x20);
}
memcpy (section + 1, core_img, core_size);
free (core_img);
core_img = ecoff_img;
core_size = program_size + sizeof (*head) + sizeof (*section);
}
break;
case IMAGE_LOONGSON_ELF:
case IMAGE_PPC:
case IMAGE_XEN:
case IMAGE_COREBOOT:
case IMAGE_I386_IEEE1275:
{
grub_uint64_t target_addr;
if (image_target->id == IMAGE_LOONGSON_ELF)
{
if (comp == GRUB_COMPRESSION_NONE)
target_addr = (image_target->link_addr - decompress_size);
else
target_addr = ALIGN_UP (image_target->link_addr
+ kernel_size + total_module_size, 32);
}
else
target_addr = image_target->link_addr;
if (image_target->voidp_sizeof == 4)
generate_elf32 (image_target, note, &core_img, &core_size,
target_addr, align, kernel_size, bss_size);
else
generate_elf64 (image_target, note, &core_img, &core_size,
target_addr, align, kernel_size, bss_size);
}
break;
}
grub_util_write_image (core_img, core_size, out, outname);
free (core_img);
free (kernel_path);
free (rel_section);
grub_util_free_path_list (path_list);
}