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-rw-r--r--include/grub/efiemu/efiemu.h286
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 */