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Diffstat (limited to 'include/grub/util/mkimage.h')
| -rw-r--r-- | include/grub/util/mkimage.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/include/grub/util/mkimage.h b/include/grub/util/mkimage.h new file mode 100644 index 0000000..3819a67 --- /dev/null +++ b/include/grub/util/mkimage.h @@ -0,0 +1,187 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2013 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/>. + */ + +#ifndef GRUB_UTIL_MKIMAGE_HEADER +#define GRUB_UTIL_MKIMAGE_HEADER 1 + +struct grub_mkimage_layout +{ + size_t exec_size; + size_t kernel_size; + size_t bss_size; + size_t sbat_size; + grub_uint64_t start_address; + void *reloc_section; + size_t reloc_size; + size_t align; + grub_size_t ia64jmp_off; + grub_size_t tramp_off; + grub_size_t got_off; + grub_size_t got_size; + unsigned ia64jmpnum; + grub_uint32_t bss_start; + grub_uint32_t end; +}; + +/* Private header. Use only in mkimage-related sources. */ +char * +grub_mkimage_load_image32 (const char *kernel_path, + size_t total_module_size, + struct grub_mkimage_layout *layout, + const struct grub_install_image_target_desc *image_target); +char * +grub_mkimage_load_image64 (const char *kernel_path, + size_t total_module_size, + struct grub_mkimage_layout *layout, + const struct grub_install_image_target_desc *image_target); +void +grub_mkimage_generate_elf32 (const struct grub_install_image_target_desc *image_target, + int note, char **core_img, size_t *core_size, + Elf32_Addr target_addr, + struct grub_mkimage_layout *layout); +void +grub_mkimage_generate_elf64 (const struct grub_install_image_target_desc *image_target, + int note, char **core_img, size_t *core_size, + Elf64_Addr target_addr, + struct grub_mkimage_layout *layout); + +struct grub_install_image_target_desc +{ + const char *dirname; + const char *names[6]; + grub_size_t voidp_sizeof; + int bigendian; + enum { + IMAGE_I386_PC, IMAGE_EFI, IMAGE_COREBOOT, + IMAGE_SPARC64_AOUT, IMAGE_SPARC64_RAW, IMAGE_SPARC64_CDCORE, + IMAGE_I386_IEEE1275, + IMAGE_LOONGSON_ELF, IMAGE_QEMU, IMAGE_PPC, IMAGE_YEELOONG_FLASH, + IMAGE_FULOONG2F_FLASH, IMAGE_I386_PC_PXE, IMAGE_MIPS_ARC, + IMAGE_QEMU_MIPS_FLASH, IMAGE_UBOOT, IMAGE_XEN, IMAGE_I386_PC_ELTORITO, + IMAGE_XEN_PVH + } id; + enum + { + PLATFORM_FLAGS_NONE = 0, + PLATFORM_FLAGS_DECOMPRESSORS = 2, + PLATFORM_FLAGS_MODULES_BEFORE_KERNEL = 4, + } flags; + unsigned total_module_size; + unsigned decompressor_compressed_size; + unsigned decompressor_uncompressed_size; + unsigned decompressor_uncompressed_addr; + unsigned reloc_table_offset; + unsigned link_align; + grub_uint16_t elf_target; + unsigned section_align; + signed vaddr_offset; + grub_uint64_t link_addr; + unsigned mod_gap, mod_align; + grub_compression_t default_compression; + grub_uint16_t pe_target; +}; + +#define grub_target_to_host32(x) (grub_target_to_host32_real (image_target, (x))) +#define grub_host_to_target32(x) (grub_host_to_target32_real (image_target, (x))) +#define grub_target_to_host64(x) (grub_target_to_host64_real (image_target, (x))) +#define grub_host_to_target64(x) (grub_host_to_target64_real (image_target, (x))) +#define grub_host_to_target_addr(x) (grub_host_to_target_addr_real (image_target, (x))) +#define grub_target_to_host16(x) (grub_target_to_host16_real (image_target, (x))) +#define grub_host_to_target16(x) (grub_host_to_target16_real (image_target, (x))) + +static inline grub_uint32_t +grub_target_to_host32_real (const struct grub_install_image_target_desc *image_target, + grub_uint32_t in) +{ + if (image_target->bigendian) + return grub_be_to_cpu32 (in); + else + return grub_le_to_cpu32 (in); +} + +static inline grub_uint64_t +grub_target_to_host64_real (const struct grub_install_image_target_desc *image_target, + grub_uint64_t in) +{ + if (image_target->bigendian) + return grub_be_to_cpu64 (in); + else + return grub_le_to_cpu64 (in); +} + +static inline grub_uint64_t +grub_host_to_target64_real (const struct grub_install_image_target_desc *image_target, + grub_uint64_t in) +{ + if (image_target->bigendian) + return grub_cpu_to_be64 (in); + else + return grub_cpu_to_le64 (in); +} + +static inline grub_uint32_t +grub_host_to_target32_real (const struct grub_install_image_target_desc *image_target, + grub_uint32_t in) +{ + if (image_target->bigendian) + return grub_cpu_to_be32 (in); + else + return grub_cpu_to_le32 (in); +} + +static inline grub_uint16_t +grub_target_to_host16_real (const struct grub_install_image_target_desc *image_target, + grub_uint16_t in) +{ + if (image_target->bigendian) + return grub_be_to_cpu16 (in); + else + return grub_le_to_cpu16 (in); +} + +static inline grub_uint16_t +grub_host_to_target16_real (const struct grub_install_image_target_desc *image_target, + grub_uint16_t in) +{ + if (image_target->bigendian) + return grub_cpu_to_be16 (in); + else + return grub_cpu_to_le16 (in); +} + +static inline grub_uint64_t +grub_host_to_target_addr_real (const struct grub_install_image_target_desc *image_target, grub_uint64_t in) +{ + if (image_target->voidp_sizeof == 8) + return grub_host_to_target64_real (image_target, in); + else + return grub_host_to_target32_real (image_target, in); +} + +static inline grub_uint64_t +grub_target_to_host_real (const struct grub_install_image_target_desc *image_target, grub_uint64_t in) +{ + if (image_target->voidp_sizeof == 8) + return grub_target_to_host64_real (image_target, in); + else + return grub_target_to_host32_real (image_target, in); +} + +#define grub_target_to_host(val) grub_target_to_host_real(image_target, (val)) + +#endif |