1 /******************************************************************************
4 * Copyright (c) 2020, longpanda <admin@ventoy.net>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 3 of the
9 * License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
24 #define COMPILE_ASSERT(expr) extern char __compile_assert[(expr) ? 1 : -1]
26 #define VENTOY_GUID { 0x77772020, 0x2e77, 0x6576, { 0x6e, 0x74, 0x6f, 0x79, 0x2e, 0x6e, 0x65, 0x74 }}
30 typedef struct ventoy_guid
38 typedef struct ventoy_image_disk_region
40 UINT32 image_sector_count
; /* image sectors contained in this region */
41 UINT32 image_start_sector
; /* image sector start */
42 UINT64 disk_start_sector
; /* disk sector start */
43 }ventoy_image_disk_region
;
45 typedef struct ventoy_image_location
49 /* image sector size, currently this value is always 2048 */
50 UINT32 image_sector_size
;
52 /* disk sector size, normally the value is 512 */
53 UINT32 disk_sector_size
;
59 * If the image file has more than one fragments in disk,
60 * there will be more than one region data here.
63 ventoy_image_disk_region regions
[1];
65 /* ventoy_image_disk_region regions[2~region_count-1] */
66 }ventoy_image_location
;
68 typedef struct ventoy_os_param
70 ventoy_guid guid
; // VENTOY_GUID
71 UINT8 chksum
; // checksum
73 UINT8 vtoy_disk_guid
[16];
74 UINT64 vtoy_disk_size
; // disk size in bytes
75 UINT16 vtoy_disk_part_id
; // begin with 1
76 UINT16 vtoy_disk_part_type
; // 0:exfat 1:ntfs other: reserved
77 char vtoy_img_path
[384]; // It seems to be enough, utf-8 format
78 UINT64 vtoy_img_size
; // image file size in bytes
81 * Ventoy will write a copy of ventoy_image_location data into runtime memory
82 * this is the physically address and length of that memory.
83 * Address 0 means no such data exist.
84 * Address will be aligned by 4KB.
87 UINT64 vtoy_img_location_addr
;
88 UINT32 vtoy_img_location_len
;
90 UINT64 vtoy_reserved
[4]; // Internal use by ventoy
97 // compile assert to check that size of ventoy_os_param must be 512
98 COMPILE_ASSERT(sizeof(ventoy_os_param
) == 512);
104 typedef struct ventoy_chain_head
106 ventoy_os_param os_param
;
110 UINT32 disk_sector_size
;
112 UINT64 real_img_size_in_bytes
;
113 UINT64 virt_img_size_in_bytes
;
115 UINT8 boot_catalog_sector
[2048];
117 UINT32 img_chunk_offset
;
118 UINT32 img_chunk_num
;
120 UINT32 override_chunk_offset
;
121 UINT32 override_chunk_num
;
123 UINT32 virt_chunk_offset
;
124 UINT32 virt_chunk_num
;
128 typedef struct ventoy_img_chunk
130 UINT32 img_start_sector
; //2KB
131 UINT32 img_end_sector
;
133 UINT64 disk_start_sector
; // in disk_sector_size
134 UINT64 disk_end_sector
;
138 typedef struct ventoy_override_chunk
141 UINT32 override_size
;
142 UINT8 override_data
[512];
143 }ventoy_override_chunk
;
145 typedef struct ventoy_virt_chunk
147 UINT32 mem_sector_start
;
148 UINT32 mem_sector_end
;
149 UINT32 mem_sector_offset
;
150 UINT32 remap_sector_start
;
151 UINT32 remap_sector_end
;
152 UINT32 org_sector_start
;
159 #define VTOY_BLOCK_DEVICE_PATH_GUID \
160 { 0x37b87ac6, 0xc180, 0x4583, { 0xa7, 0x05, 0x41, 0x4d, 0xa8, 0xf7, 0x7e, 0xd2 }}
162 #define VTOY_BLOCK_DEVICE_PATH_NAME L"ventoy"
164 #if defined (MDE_CPU_IA32)
165 #define VENTOY_UEFI_DESC L"IA32 UEFI"
166 #elif defined (MDE_CPU_X64)
167 #define VENTOY_UEFI_DESC L"X64 UEFI"
168 #elif defined (MDE_CPU_EBC)
169 #elif defined (MDE_CPU_ARM)
170 #define VENTOY_UEFI_DESC L"ARM UEFI"
171 #elif defined (MDE_CPU_AARCH64)
172 #define VENTOY_UEFI_DESC L"ARM64 UEFI"
174 #error Unknown Processor Type
177 typedef struct ventoy_sector_flag
179 UINT8 flag
; // 0:init 1:mem 2:remap
184 typedef struct vtoy_block_data
187 EFI_BLOCK_IO_MEDIA Media
; /* Media descriptor */
188 EFI_BLOCK_IO_PROTOCOL BlockIo
; /* Block I/O protocol */
190 UINTN DevicePathCompareLen
;
191 EFI_DEVICE_PATH_PROTOCOL
*Path
; /* Device path protocol */
193 EFI_HANDLE RawBlockIoHandle
;
194 EFI_BLOCK_IO_PROTOCOL
*pRawBlockIo
;
195 EFI_DEVICE_PATH_PROTOCOL
*pDiskDevPath
;
197 /* ventoy disk part2 ESP */
198 EFI_HANDLE DiskFsHandle
;
199 EFI_SIMPLE_FILE_SYSTEM_PROTOCOL
*pDiskFs
;
200 EFI_DEVICE_PATH_PROTOCOL
*pDiskFsDevPath
;
202 EFI_HANDLE IsoDriverImage
;
205 #define ISO9660_EFI_DRIVER_PATH L"\\ventoy\\iso9660_x64.efi"
207 #define debug(expr, ...) if (gDebugPrint) VtoyDebug("[VTOY] "expr"\r\n", ##__VA_ARGS__)
208 #define trace(expr, ...) VtoyDebug("[VTOY] "expr"\r\n", ##__VA_ARGS__)
209 #define sleep(sec) gBS->Stall(1000000 * (sec))
211 #define ventoy_debug_pause() \
215 gST->ConOut->OutputString(gST->ConOut, L"[VTOY] ###### Press Enter to continue... ######\r\n");\
216 gST->ConIn->Reset(gST->ConIn, FALSE); \
217 gBS->WaitForEvent(1, &gST->ConIn->WaitForKey, &__Index);\
220 typedef const char * (*grub_env_get_pf
)(const char *name
);
224 #define GRUB_FILE_REPLACE_MAGIC 0x1258BEEF
226 typedef struct ventoy_efi_file_replace
228 UINT64 BlockIoSectorStart
;
231 UINT64 FileSizeBytes
;
233 EFI_FILE_PROTOCOL WrapperHandle
;
234 }ventoy_efi_file_replace
;
236 typedef struct ventoy_grub_param_file_replace
239 char old_file_name
[4][256];
241 UINT32 new_file_virtual_id
;
242 }ventoy_grub_param_file_replace
;
244 typedef struct ventoy_grub_param
246 grub_env_get_pf grub_env_get
;
248 ventoy_grub_param_file_replace file_replace
;
251 typedef struct ventoy_ram_disk
260 typedef struct well_known_guid
266 typedef struct ventoy_system_wrapper
268 EFI_LOCATE_PROTOCOL NewLocateProtocol
;
269 EFI_LOCATE_PROTOCOL OriLocateProtocol
;
271 EFI_HANDLE_PROTOCOL NewHandleProtocol
;
272 EFI_HANDLE_PROTOCOL OriHandleProtocol
;
274 EFI_OPEN_PROTOCOL NewOpenProtocol
;
275 EFI_OPEN_PROTOCOL OriOpenProtocol
;
276 } ventoy_system_wrapper
;
278 #define ventoy_wrapper(bs, wrapper, func, newfunc) \
280 wrapper.Ori##func = bs->func;\
281 wrapper.New##func = newfunc;\
282 bs->func = wrapper.New##func;\
285 extern ventoy_efi_file_replace g_efi_file_replace
;
286 extern BOOLEAN gDebugPrint
;
287 VOID EFIAPI
VtoyDebug(IN CONST CHAR8
*Format
, ...);
288 EFI_STATUS EFIAPI
ventoy_wrapper_system(VOID
);
289 EFI_STATUS EFIAPI
ventoy_wrapper_file_procotol(EFI_FILE_PROTOCOL
*File
);
290 EFI_STATUS EFIAPI ventoy_block_io_read
292 IN EFI_BLOCK_IO_PROTOCOL
*This
,