diff options
Diffstat (limited to '')
-rw-r--r-- | util/mkimage.c | 1791 |
1 files changed, 1791 insertions, 0 deletions
diff --git a/util/mkimage.c b/util/mkimage.c new file mode 100644 index 0000000..a26cf76 --- /dev/null +++ b/util/mkimage.c @@ -0,0 +1,1791 @@ +/* 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 <http://www.gnu.org/licenses/>. + */ + +#include <config.h> +#include <grub/types.h> +#include <grub/elf.h> +#include <grub/aout.h> +#include <grub/i18n.h> +#include <grub/kernel.h> +#include <grub/disk.h> +#include <grub/emu/misc.h> +#include <grub/util/misc.h> +#include <grub/util/resolve.h> +#include <grub/misc.h> +#include <grub/offsets.h> +#include <grub/crypto.h> +#include <grub/dl.h> +#include <time.h> +#include <multiboot.h> + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <assert.h> +#include <grub/efi/pe32.h> +#include <grub/uboot/image.h> +#include <grub/arm/reloc.h> +#include <grub/arm64/reloc.h> +#include <grub/ia64/reloc.h> +#include <grub/osdep/hostfile.h> +#include <grub/util/install.h> +#include <grub/util/mkimage.h> + +#define ALIGN_ADDR(x) (ALIGN_UP((x), image_target->voidp_sizeof)) + +#ifdef USE_LIBLZMA +#include <lzma.h> +#endif + +#pragma GCC diagnostic ignored "-Wcast-align" + +#define TARGET_NO_FIELD 0xffffffff + +/* use 2015-01-01T00:00:00+0000 as a stock timestamp */ +#define STABLE_EMBEDDING_TIMESTAMP 1420070400 + +#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_FILE_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_FILE_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, + .reloc_table_offset = 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-xen_pvh", + .names = { "i386-xen_pvh", NULL }, + .voidp_sizeof = 4, + .bigendian = 0, + .id = IMAGE_XEN_PVH, + .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, + .elf_target = EM_386, + .section_align = 1, + .vaddr_offset = 0, + .link_addr = GRUB_KERNEL_I386_XEN_PVH_LINK_ADDR, + .mod_align = GRUB_KERNEL_I386_XEN_PVH_MOD_ALIGN, + .link_align = 4 + }, + { + .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, + .elf_target = EM_ARM, + .mod_gap = GRUB_KERNEL_ARM_UBOOT_MOD_GAP, + .mod_align = GRUB_KERNEL_ARM_UBOOT_MOD_ALIGN, + .link_align = 4 + }, + /* For coreboot versions that don't support self-relocating images. */ + { + .dirname = "arm-coreboot-vexpress", + .names = { "arm-coreboot-vexpress", NULL }, + .voidp_sizeof = 4, + .bigendian = 0, + .id = IMAGE_COREBOOT, + .flags = PLATFORM_FLAGS_NONE, + .total_module_size = GRUB_KERNEL_ARM_COREBOOT_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_COREBOOT_MOD_ALIGN, + .vaddr_offset = 0, + .elf_target = EM_ARM, + .mod_gap = GRUB_KERNEL_ARM_COREBOOT_MOD_GAP, + .mod_align = GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN, + .link_align = 4, + .link_addr = 0x62000000, + }, + { + .dirname = "arm-coreboot-veyron", + .names = { "arm-coreboot-veyron", NULL }, + .voidp_sizeof = 4, + .bigendian = 0, + .id = IMAGE_COREBOOT, + .flags = PLATFORM_FLAGS_NONE, + .total_module_size = GRUB_KERNEL_ARM_COREBOOT_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_COREBOOT_MOD_ALIGN, + .vaddr_offset = 0, + .elf_target = EM_ARM, + .mod_gap = GRUB_KERNEL_ARM_COREBOOT_MOD_GAP, + .mod_align = GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN, + .link_align = 4, + .link_addr = 0x43000000, + }, + { + .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 = EFI32_HEADER_SIZE, + .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, + }, + { + .dirname = "riscv32-efi", + .names = { "riscv32-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_RISCV32, + .elf_target = EM_RISCV, + }, + { + .dirname = "riscv64-efi", + .names = { "riscv64-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_RISCV64, + .elf_target = EM_RISCV, + }, + }; + +#include <grub/lib/LzmaEnc.h> + +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; +} + +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; +} + +/* + * The image_target parameter is used by the grub_host_to_target32() macro. + */ +static struct grub_pe32_section_table * +init_pe_section(const struct grub_install_image_target_desc *image_target, + struct grub_pe32_section_table *section, + const char * const name, + grub_uint32_t *vma, grub_uint32_t vsz, grub_uint32_t valign, + grub_uint32_t *rda, grub_uint32_t rsz, + grub_uint32_t characteristics) +{ + size_t len = strlen (name); + + if (len > sizeof (section->name)) + grub_util_error (_("section name %s length is bigger than %lu"), + name, (unsigned long) sizeof (section->name)); + + memcpy (section->name, name, len); + + section->virtual_address = grub_host_to_target32 (*vma); + section->virtual_size = grub_host_to_target32 (vsz); + (*vma) = ALIGN_UP (*vma + vsz, valign); + + section->raw_data_offset = grub_host_to_target32 (*rda); + section->raw_data_size = grub_host_to_target32 (rsz); + (*rda) = ALIGN_UP (*rda + rsz, GRUB_PE32_FILE_ALIGNMENT); + + section->characteristics = grub_host_to_target32 (characteristics); + + return section + 1; +} + +/* + * tmp_ is just here so the compiler knows we'll never derefernce a NULL. + * It should get fully optimized away. + */ +#define PE_OHDR(o32, o64, field) (*( \ +{ \ + __typeof__((o64)->field) tmp_; \ + __typeof__((o64)->field) *ret_ = &tmp_; \ + if (o32) \ + ret_ = (void *)(&((o32)->field)); \ + else if (o64) \ + ret_ = (void *)(&((o64)->field)); \ + ret_; \ +})) + +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, const char *dtb_path, + const char *sbat_path, int disable_shim_lock) +{ + char *kernel_img, *core_img; + size_t total_module_size, core_size; + size_t memdisk_size = 0, config_size = 0; + size_t prefix_size = 0, dtb_size = 0, sbat_size = 0; + char *kernel_path; + size_t offset; + struct grub_util_path_list *path_list, *p; + size_t decompress_size = 0; + struct grub_mkimage_layout layout; + + 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 (dtb_path) + { + dtb_size = ALIGN_ADDR(grub_util_get_image_size (dtb_path)); + total_module_size += dtb_size + sizeof (struct grub_module_header); + } + + if (sbat_path != NULL && image_target->id != IMAGE_EFI) + grub_util_error (_(".sbat section can be embedded into EFI images only")); + + if (disable_shim_lock) + total_module_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 = grub_mkimage_load_image32 (kernel_path, total_module_size, + &layout, image_target); + else + kernel_img = grub_mkimage_load_image64 (kernel_path, total_module_size, + &layout, image_target); + if ((image_target->id == IMAGE_XEN || image_target->id == IMAGE_XEN_PVH) && + layout.align < 4096) + layout.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, layout.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 + layout.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 = layout.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 + layout.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 = layout.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 (dtb_path) + { + struct grub_module_header *header; + + header = (struct grub_module_header *) (kernel_img + offset); + header->type = grub_host_to_target32 (OBJ_TYPE_DTB); + header->size = grub_host_to_target32 (dtb_size + sizeof (*header)); + offset += sizeof (*header); + + grub_util_load_image (dtb_path, kernel_img + offset); + offset += dtb_size; + } + + if (disable_shim_lock) + { + struct grub_module_header *header; + + header = (struct grub_module_header *) (kernel_img + offset); + header->type = grub_host_to_target32 (OBJ_TYPE_DISABLE_SHIM_LOCK); + header->size = grub_host_to_target32 (sizeof (*header)); + offset += sizeof (*header); + } + + 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) layout.kernel_size); + compress_kernel (image_target, kernel_img, layout.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 (layout.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)) + || (layout.kernel_size + layout.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 (image_target->elf_target != EM_ARM && layout.kernel_size + layout.bss_size + GRUB_KERNEL_I386_PC_LINK_ADDR > 0x68000) + grub_util_error (_("kernel image is too big (0x%x > 0x%x)"), + (unsigned) layout.kernel_size + (unsigned) layout.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: + case IMAGE_XEN_PVH: + 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: + { + char *pe_img, *pe_sbat, *header; + struct grub_pe32_section_table *section; + size_t n_sections = 4; + size_t scn_size; + grub_uint32_t vma, raw_data; + size_t pe_size, header_size; + struct grub_pe32_coff_header *c; + static const grub_uint8_t stub[] = GRUB_PE32_MSDOS_STUB; + struct grub_pe32_optional_header *o32 = NULL; + struct grub_pe64_optional_header *o64 = NULL; + + if (image_target->voidp_sizeof == 4) + header_size = EFI32_HEADER_SIZE; + else + header_size = EFI64_HEADER_SIZE; + + vma = raw_data = header_size; + + if (sbat_path != NULL) + { + sbat_size = ALIGN_ADDR (grub_util_get_image_size (sbat_path)); + sbat_size = ALIGN_UP (sbat_size, GRUB_PE32_FILE_ALIGNMENT); + } + + pe_size = ALIGN_UP (header_size + core_size, GRUB_PE32_FILE_ALIGNMENT) + + ALIGN_UP (layout.reloc_size, GRUB_PE32_FILE_ALIGNMENT) + sbat_size; + header = pe_img = xcalloc (1, pe_size); + + memcpy (pe_img + raw_data, core_img, core_size); + + /* 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); + + if (sbat_path != NULL) + n_sections++; + + c->num_sections = grub_host_to_target16 (n_sections); + 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) + { + c->optional_header_size = grub_host_to_target16 (sizeof (struct grub_pe32_optional_header)); + + o32 = (struct grub_pe32_optional_header *) + (header + GRUB_PE32_MSDOS_STUB_SIZE + GRUB_PE32_SIGNATURE_SIZE + + sizeof (struct grub_pe32_coff_header)); + o32->magic = grub_host_to_target16 (GRUB_PE32_PE32_MAGIC); + o32->data_base = grub_host_to_target32 (header_size + layout.exec_size); + + section = (struct grub_pe32_section_table *)(o32 + 1); + } + else + { + c->optional_header_size = grub_host_to_target16 (sizeof (struct grub_pe64_optional_header)); + o64 = (struct grub_pe64_optional_header *) + (header + GRUB_PE32_MSDOS_STUB_SIZE + GRUB_PE32_SIGNATURE_SIZE + + sizeof (struct grub_pe32_coff_header)); + o64->magic = grub_host_to_target16 (GRUB_PE32_PE64_MAGIC); + + section = (struct grub_pe32_section_table *)(o64 + 1); + } + + PE_OHDR (o32, o64, header_size) = grub_host_to_target32 (header_size); + PE_OHDR (o32, o64, entry_addr) = grub_host_to_target32 (layout.start_address); + PE_OHDR (o32, o64, image_base) = 0; + PE_OHDR (o32, o64, image_size) = grub_host_to_target32 (pe_size); + PE_OHDR (o32, o64, section_alignment) = grub_host_to_target32 (image_target->section_align); + PE_OHDR (o32, o64, file_alignment) = grub_host_to_target32 (GRUB_PE32_FILE_ALIGNMENT); + PE_OHDR (o32, o64, subsystem) = grub_host_to_target16 (GRUB_PE32_SUBSYSTEM_EFI_APPLICATION); + + /* Do these really matter? */ + PE_OHDR (o32, o64, stack_reserve_size) = grub_host_to_target32 (0x10000); + PE_OHDR (o32, o64, stack_commit_size) = grub_host_to_target32 (0x10000); + PE_OHDR (o32, o64, heap_reserve_size) = grub_host_to_target32 (0x10000); + PE_OHDR (o32, o64, heap_commit_size) = grub_host_to_target32 (0x10000); + + PE_OHDR (o32, o64, num_data_directories) = grub_host_to_target32 (GRUB_PE32_NUM_DATA_DIRECTORIES); + + /* The sections. */ + PE_OHDR (o32, o64, code_base) = grub_host_to_target32 (vma); + PE_OHDR (o32, o64, code_size) = grub_host_to_target32 (layout.exec_size); + section = init_pe_section (image_target, section, ".text", + &vma, layout.exec_size, + image_target->section_align, + &raw_data, layout.exec_size, + GRUB_PE32_SCN_CNT_CODE | + GRUB_PE32_SCN_MEM_EXECUTE | + GRUB_PE32_SCN_MEM_READ); + + scn_size = ALIGN_UP (layout.kernel_size - layout.exec_size, GRUB_PE32_FILE_ALIGNMENT); + /* ALIGN_UP (sbat_size, GRUB_PE32_FILE_ALIGNMENT) is done earlier. */ + PE_OHDR (o32, o64, data_size) = grub_host_to_target32 (scn_size + sbat_size + + ALIGN_UP (total_module_size, + GRUB_PE32_FILE_ALIGNMENT)); + + section = init_pe_section (image_target, section, ".data", + &vma, scn_size, image_target->section_align, + &raw_data, scn_size, + GRUB_PE32_SCN_CNT_INITIALIZED_DATA | + GRUB_PE32_SCN_MEM_READ | + GRUB_PE32_SCN_MEM_WRITE); + + scn_size = pe_size - layout.reloc_size - sbat_size - raw_data; + section = init_pe_section (image_target, section, "mods", + &vma, scn_size, image_target->section_align, + &raw_data, scn_size, + GRUB_PE32_SCN_CNT_INITIALIZED_DATA | + GRUB_PE32_SCN_MEM_READ | + GRUB_PE32_SCN_MEM_WRITE); + + if (sbat_path != NULL) + { + pe_sbat = pe_img + raw_data; + grub_util_load_image (sbat_path, pe_sbat); + + section = init_pe_section (image_target, section, ".sbat", + &vma, sbat_size, + image_target->section_align, + &raw_data, sbat_size, + GRUB_PE32_SCN_CNT_INITIALIZED_DATA | + GRUB_PE32_SCN_MEM_READ); + } + + scn_size = layout.reloc_size; + PE_OHDR (o32, o64, base_relocation_table.rva) = grub_host_to_target32 (vma); + PE_OHDR (o32, o64, base_relocation_table.size) = grub_host_to_target32 (scn_size); + memcpy (pe_img + raw_data, layout.reloc_section, scn_size); + init_pe_section (image_target, section, ".reloc", + &vma, scn_size, image_target->section_align, + &raw_data, scn_size, + 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 = 0; + hdr->ih_ep = 0; + hdr->ih_type = GRUB_UBOOT_IH_TYPE_KERNEL_NOLOAD; + 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 + + layout.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_XEN_PVH: + 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 + + layout.kernel_size + total_module_size, 32); + } + else + target_addr = image_target->link_addr; + if (image_target->voidp_sizeof == 4) + grub_mkimage_generate_elf32 (image_target, note, &core_img, &core_size, + target_addr, &layout); + else + grub_mkimage_generate_elf64 (image_target, note, &core_img, &core_size, + target_addr, &layout); + } + break; + } + + grub_util_write_image (core_img, core_size, out, outname); + free (core_img); + free (kernel_path); + free (layout.reloc_section); + + grub_util_free_path_list (path_list); +} |