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Diffstat (limited to '')
| -rw-r--r-- | include/grub/efiemu/efiemu.h | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/include/grub/efiemu/efiemu.h b/include/grub/efiemu/efiemu.h new file mode 100644 index 0000000..5325e58 --- /dev/null +++ b/include/grub/efiemu/efiemu.h @@ -0,0 +1,286 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 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_EFI_EMU_HEADER +#define GRUB_EFI_EMU_HEADER 1 + +#include <grub/efi/api.h> +#include <grub/file.h> +#include <grub/memory.h> + +#define GRUB_EFIEMU_PAGESIZE 4096 + +/* EFI api defined in 32-bit and 64-bit version*/ +struct grub_efi_system_table32 +{ + grub_efi_table_header_t hdr; + grub_efi_uint32_t firmware_vendor; + grub_efi_uint32_t firmware_revision; + grub_efi_uint32_t console_in_handler; + grub_efi_uint32_t con_in; + grub_efi_uint32_t console_out_handler; + grub_efi_uint32_t con_out; + grub_efi_uint32_t standard_error_handle; + grub_efi_uint32_t std_err; + grub_efi_uint32_t runtime_services; + grub_efi_uint32_t boot_services; + grub_efi_uint32_t num_table_entries; + grub_efi_uint32_t configuration_table; +} GRUB_PACKED; +typedef struct grub_efi_system_table32 grub_efi_system_table32_t; + +struct grub_efi_system_table64 +{ + grub_efi_table_header_t hdr; + grub_efi_uint64_t firmware_vendor; + grub_efi_uint32_t firmware_revision; + grub_efi_uint32_t pad; + grub_efi_uint64_t console_in_handler; + grub_efi_uint64_t con_in; + grub_efi_uint64_t console_out_handler; + grub_efi_uint64_t con_out; + grub_efi_uint64_t standard_error_handle; + grub_efi_uint64_t std_err; + grub_efi_uint64_t runtime_services; + grub_efi_uint64_t boot_services; + grub_efi_uint64_t num_table_entries; + grub_efi_uint64_t configuration_table; +} GRUB_PACKED; +typedef struct grub_efi_system_table64 grub_efi_system_table64_t; + +struct grub_efiemu_runtime_services32 +{ + grub_efi_table_header_t hdr; + grub_efi_uint32_t get_time; + grub_efi_uint32_t set_time; + grub_efi_uint32_t get_wakeup_time; + grub_efi_uint32_t set_wakeup_time; + grub_efi_uint32_t set_virtual_address_map; + grub_efi_uint32_t convert_pointer; + grub_efi_uint32_t get_variable; + grub_efi_uint32_t get_next_variable_name; + grub_efi_uint32_t set_variable; + grub_efi_uint32_t get_next_high_monotonic_count; + grub_efi_uint32_t reset_system; +} GRUB_PACKED; +typedef struct grub_efiemu_runtime_services32 grub_efiemu_runtime_services32_t; + +struct grub_efiemu_runtime_services64 +{ + grub_efi_table_header_t hdr; + grub_efi_uint64_t get_time; + grub_efi_uint64_t set_time; + grub_efi_uint64_t get_wakeup_time; + grub_efi_uint64_t set_wakeup_time; + grub_efi_uint64_t set_virtual_address_map; + grub_efi_uint64_t convert_pointer; + grub_efi_uint64_t get_variable; + grub_efi_uint64_t get_next_variable_name; + grub_efi_uint64_t set_variable; + grub_efi_uint64_t get_next_high_monotonic_count; + grub_efi_uint64_t reset_system; +} GRUB_PACKED; +typedef struct grub_efiemu_runtime_services64 grub_efiemu_runtime_services64_t; + +extern grub_efi_system_table32_t *grub_efiemu_system_table32; +extern grub_efi_system_table64_t *grub_efiemu_system_table64; + +/* Convenience macros to access currently loaded efiemu */ +#define grub_efiemu_system_table ((grub_efiemu_sizeof_uintn_t () == 8) \ + ? (void *) grub_efiemu_system_table64 \ + : (void *) grub_efiemu_system_table32) +#define GRUB_EFIEMU_SIZEOF_OF_UINTN (grub_efiemu_sizeof_uintn_t ()) +#define GRUB_EFIEMU_SYSTEM_TABLE(x) ((grub_efiemu_sizeof_uintn_t () == 8) \ + ? grub_efiemu_system_table64->x \ + : grub_efiemu_system_table32->x) +#define GRUB_EFIEMU_SYSTEM_TABLE_SET(x,y) ((grub_efiemu_sizeof_uintn_t () == 8)\ + ? (grub_efiemu_system_table64->x \ + = (y)) \ + : (grub_efiemu_system_table32->x \ + = (y))) +#define GRUB_EFIEMU_SYSTEM_TABLE_PTR(x) ((grub_efiemu_sizeof_uintn_t () == 8)\ + ? (void *) (grub_addr_t) \ + (grub_efiemu_system_table64->x) \ + : (void *) (grub_addr_t) \ + (grub_efiemu_system_table32->x)) +#define GRUB_EFIEMU_SYSTEM_TABLE_VAR(x) ((grub_efiemu_sizeof_uintn_t () == 8) \ + ? (void *) \ + &(grub_efiemu_system_table64->x) \ + : (void *) \ + &(grub_efiemu_system_table32->x)) +#define GRUB_EFIEMU_SYSTEM_TABLE_SIZEOF(x) \ + ((grub_efiemu_sizeof_uintn_t () == 8) \ + ? sizeof(grub_efiemu_system_table64->x)\ + : sizeof(grub_efiemu_system_table32->x)) +#define GRUB_EFIEMU_SYSTEM_TABLE_SIZEOF_TOTAL ((grub_efiemu_sizeof_uintn_t () == 8) ? sizeof(*grub_efiemu_system_table64):sizeof(*grub_efiemu_system_table32)) + +/* ELF management definitions and functions */ + +struct grub_efiemu_segment +{ + struct grub_efiemu_segment *next; + grub_size_t size; + unsigned section; + int handle; + int ptv_rel_needed; + grub_off_t off; + void *srcptr; +}; +typedef struct grub_efiemu_segment *grub_efiemu_segment_t; + +struct grub_efiemu_elf_sym +{ + int handle; + grub_off_t off; + unsigned section; +}; + +int grub_efiemu_check_header32 (void *ehdr, grub_size_t size); +int grub_efiemu_check_header64 (void *ehdr, grub_size_t size); +grub_err_t grub_efiemu_loadcore_init32 (void *core, + const char *filename, + grub_size_t core_size, + grub_efiemu_segment_t *segments); +grub_err_t grub_efiemu_loadcore_init64 (void *core, const char *filename, + grub_size_t core_size, + grub_efiemu_segment_t *segments); +grub_err_t grub_efiemu_loadcore_load32 (void *core, + grub_size_t core_size, + grub_efiemu_segment_t segments); +grub_err_t grub_efiemu_loadcore_load64 (void *core, + grub_size_t core_size, + grub_efiemu_segment_t segments); +grub_err_t grub_efiemu_loadcore_unload32 (void); +grub_err_t grub_efiemu_loadcore_unload64 (void); +grub_err_t grub_efiemu_loadcore_unload(void); +grub_err_t grub_efiemu_loadcore_init (grub_file_t file, + const char *filename); +grub_err_t grub_efiemu_loadcore_load (void); + +/* Configuration tables manipulation. Definitions and functions */ +struct grub_efiemu_configuration_table +{ + struct grub_efiemu_configuration_table *next; + grub_efi_guid_t guid; + void * (*get_table) (void *data); + void (*unload) (void *data); + void *data; +}; +struct grub_efiemu_configuration_table32 +{ + grub_efi_packed_guid_t vendor_guid; + grub_efi_uint32_t vendor_table; +} GRUB_PACKED; +typedef struct grub_efiemu_configuration_table32 grub_efiemu_configuration_table32_t; +struct grub_efiemu_configuration_table64 +{ + grub_efi_packed_guid_t vendor_guid; + grub_efi_uint64_t vendor_table; +} GRUB_PACKED; +typedef struct grub_efiemu_configuration_table64 grub_efiemu_configuration_table64_t; +grub_err_t grub_efiemu_unregister_configuration_table (grub_efi_guid_t guid); +grub_err_t +grub_efiemu_register_configuration_table (grub_efi_guid_t guid, + void * (*get_table) (void *data), + void (*unload) (void *data), + void *data); + +/* Memory management functions */ +int grub_efiemu_request_memalign (grub_size_t align, grub_size_t size, + grub_efi_memory_type_t type); +void *grub_efiemu_mm_obtain_request (int handle); +grub_err_t grub_efiemu_mm_unload (void); +grub_err_t grub_efiemu_mm_do_alloc (void); +grub_err_t grub_efiemu_mm_init (void); +void grub_efiemu_mm_return_request (int handle); +grub_efi_memory_type_t grub_efiemu_mm_get_type (int handle); + +/* Drop-in replacements for grub_efi_* and grub_machine_* */ +int grub_efiemu_get_memory_map (grub_efi_uintn_t *memory_map_size, + grub_efi_memory_descriptor_t *memory_map, + grub_efi_uintn_t *map_key, + grub_efi_uintn_t *descriptor_size, + grub_efi_uint32_t *descriptor_version); + + +grub_err_t +grub_efiemu_finish_boot_services (grub_efi_uintn_t *memory_map_size, + grub_efi_memory_descriptor_t *memory_map, + grub_efi_uintn_t *map_key, + grub_efi_uintn_t *descriptor_size, + grub_efi_uint32_t *descriptor_version); + +grub_err_t +grub_efiemu_mmap_iterate (grub_memory_hook_t hook, void *hook_data); +int grub_efiemu_sizeof_uintn_t (void); +grub_err_t +grub_efiemu_get_lower_upper_memory (grub_uint64_t *lower, grub_uint64_t *upper); + +/* efiemu main control definitions and functions*/ +typedef enum {GRUB_EFIEMU_NOTLOADED, + GRUB_EFIEMU32, GRUB_EFIEMU64} grub_efiemu_mode_t; +struct grub_efiemu_prepare_hook +{ + struct grub_efiemu_prepare_hook *next; + grub_err_t (*hook) (void *data); + void (*unload) (void *data); + void *data; +}; +grub_err_t grub_efiemu_prepare32 (struct grub_efiemu_prepare_hook + *prepare_hooks, + struct grub_efiemu_configuration_table + *config_tables); +grub_err_t grub_efiemu_prepare64 (struct grub_efiemu_prepare_hook + *prepare_hooks, + struct grub_efiemu_configuration_table + *config_tables); +grub_err_t grub_efiemu_unload (void); +grub_err_t grub_efiemu_prepare (void); +grub_err_t +grub_efiemu_register_prepare_hook (grub_err_t (*hook) (void *data), + void (*unload) (void *data), + void *data); + +/* symbols and pointers */ +grub_err_t grub_efiemu_alloc_syms (void); +grub_err_t grub_efiemu_request_symbols (int num); +grub_err_t grub_efiemu_resolve_symbol (const char *name, + int *handle, grub_off_t *off); +grub_err_t grub_efiemu_register_symbol (const char *name, + int handle, grub_off_t off); +void grub_efiemu_free_syms (void); +grub_err_t grub_efiemu_write_value (void * addr, grub_uint32_t value, + int plus_handle, + int minus_handle, int ptv_needed, int size); +grub_err_t grub_efiemu_write_sym_markers (void); +grub_err_t grub_efiemu_pnvram (void); +const char *grub_efiemu_get_default_core_name (void); +void grub_efiemu_pnvram_cmd_unregister (void); +grub_err_t grub_efiemu_autocore (void); +grub_err_t grub_efiemu_crc32 (void); +grub_err_t grub_efiemu_crc64 (void); +grub_err_t +grub_efiemu_set_virtual_address_map (grub_efi_uintn_t memory_map_size, + grub_efi_uintn_t descriptor_size, + grub_efi_uint32_t descriptor_version + __attribute__ ((unused)), + grub_efi_memory_descriptor_t *virtual_map); + +grub_err_t grub_machine_efiemu_init_tables (void); + +#endif /* ! GRUB_EFI_EMU_HEADER */ |