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Diffstat (limited to 'include/grub/kernel.h')
| -rw-r--r-- | include/grub/kernel.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/include/grub/kernel.h b/include/grub/kernel.h new file mode 100644 index 0000000..abbca5e --- /dev/null +++ b/include/grub/kernel.h @@ -0,0 +1,132 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2005,2006,2007,2008,2009 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_KERNEL_HEADER +#define GRUB_KERNEL_HEADER 1 + +#include <grub/types.h> +#include <grub/symbol.h> + +enum +{ + OBJ_TYPE_ELF, + OBJ_TYPE_MEMDISK, + OBJ_TYPE_CONFIG, + OBJ_TYPE_PREFIX, + OBJ_TYPE_PUBKEY, + OBJ_TYPE_DTB, + OBJ_TYPE_DISABLE_SHIM_LOCK +}; + +/* The module header. */ +struct grub_module_header +{ + /* The type of object. */ + grub_uint32_t type; + /* The size of object (including this header). */ + grub_uint32_t size; +}; + +/* "gmim" (GRUB Module Info Magic). */ +#define GRUB_MODULE_MAGIC 0x676d696d + +struct grub_module_info32 +{ + /* Magic number so we know we have modules present. */ + grub_uint32_t magic; + /* The offset of the modules. */ + grub_uint32_t offset; + /* The size of all modules plus this header. */ + grub_uint32_t size; +}; + +struct grub_module_info64 +{ + /* Magic number so we know we have modules present. */ + grub_uint32_t magic; + grub_uint32_t padding; + /* The offset of the modules. */ + grub_uint64_t offset; + /* The size of all modules plus this header. */ + grub_uint64_t size; +}; + +#ifndef GRUB_UTIL +/* Space isn't reusable on some platforms. */ +/* On Qemu the preload space is readonly. */ +/* On emu there is no preload space. */ +/* On ieee1275 our code assumes that heap is p=v which isn't guaranteed for module space. */ +#if defined (GRUB_MACHINE_QEMU) || defined (GRUB_MACHINE_EMU) \ + || defined (GRUB_MACHINE_EFI) \ + || (defined (GRUB_MACHINE_IEEE1275) && !defined (__sparc__)) +#define GRUB_KERNEL_PRELOAD_SPACE_REUSABLE 0 +#endif + +#if defined (GRUB_MACHINE_PCBIOS) || defined (GRUB_MACHINE_COREBOOT) \ + || defined (GRUB_MACHINE_MULTIBOOT) || defined (GRUB_MACHINE_MIPS_QEMU_MIPS) \ + || defined (GRUB_MACHINE_MIPS_LOONGSON) || defined (GRUB_MACHINE_ARC) \ + || (defined (__sparc__) && defined (GRUB_MACHINE_IEEE1275)) \ + || defined (GRUB_MACHINE_UBOOT) || defined (GRUB_MACHINE_XEN) \ + || defined(GRUB_MACHINE_XEN_PVH) +/* FIXME: stack is between 2 heap regions. Move it. */ +#define GRUB_KERNEL_PRELOAD_SPACE_REUSABLE 1 +#endif + +#ifndef GRUB_KERNEL_PRELOAD_SPACE_REUSABLE +#error "Please check if preload space is reusable on this platform!" +#endif + +#if GRUB_TARGET_SIZEOF_VOID_P == 8 +#define grub_module_info grub_module_info64 +#else +#define grub_module_info grub_module_info32 +#endif + +extern grub_addr_t EXPORT_VAR (grub_modbase); + +#define FOR_MODULES(var) for (\ + var = (grub_modbase && ((((struct grub_module_info *) grub_modbase)->magic) == GRUB_MODULE_MAGIC)) ? (struct grub_module_header *) \ + (grub_modbase + (((struct grub_module_info *) grub_modbase)->offset)) : 0;\ + var && (grub_addr_t) var \ + < (grub_modbase + (((struct grub_module_info *) grub_modbase)->size)); \ + var = (struct grub_module_header *) \ + (((grub_uint32_t *) var) + ((((struct grub_module_header *) var)->size + sizeof (grub_addr_t) - 1) / sizeof (grub_addr_t)) * (sizeof (grub_addr_t) / sizeof (grub_uint32_t)))) + +grub_addr_t grub_modules_get_end (void); + +#endif + +/* The start point of the C code. */ +void grub_main (void) __attribute__ ((noreturn)); + +/* The machine-specific initialization. This must initialize memory. */ +void grub_machine_init (void); + +/* The machine-specific finalization. */ +void EXPORT_FUNC(grub_machine_fini) (int flags); + +/* The machine-specific prefix initialization. */ +void +grub_machine_get_bootlocation (char **device, char **path); + +/* Register all the exported symbols. This is automatically generated. */ +void grub_register_exported_symbols (void); + +extern void (*EXPORT_VAR(grub_net_poll_cards_idle)) (void); + +#endif /* ! GRUB_KERNEL_HEADER */ |