/* 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 #include #define ALIGN_ADDR(x) (ALIGN_UP((x), image_target->voidp_sizeof)) #ifdef USE_LIBLZMA #include #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 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); }