| 227,7 → 227,7 |
|---|
| HeaderCRC32 dd ? |
| ; Set this field to zero, compute CRC32 via 0xEDB88320, compare. |
| Reserved dd ? |
| ; Myst be zero. |
| ; Must be zero. |
| MyLBA dq ? |
| ; LBA of the sector containing this GPT header. |
| AlternateLBA dq ? |
| 846,6 → 846,7 |
|---|
| ; This function is called from disk_scan_partitions to validate and parse |
| ; primary and backup GPTs. |
| proc disk_scan_gpt |
| push ecx |
| ; Scan primary GPT (second sector) |
| stdcall scan_gpt, 1, 0 |
| test eax, eax |
| 864,6 → 865,7 |
|---|
| DEBUGF 1, 'K : Backup GPT is also corrupt, fallback to legacy MBR\n' |
| .exit: |
| ; Return value is ZF |
| pop ecx |
| ret |
| endp |
| |
| 955,8 → 957,8 |
|---|
| mov al, DISKFUNC.read |
| stdcall disk_call_driver, edi, dword[ebx+GPTH.PartitionEntryLBA+0], \ |
| dword[ebx+GPTH.PartitionEntryLBA+4], esp |
| pop ecx |
| test eax, eax |
| pop eax |
| jnz .fail_free_gpea_gpt |
| ; Compute and check CRC32 of GPEA |
| mov edx, [ebx+GPTH.PartitionEntryArrayCRC32] |
| 1009,12 → 1011,12 |
|---|
| is_protective_mbr: |
| push ecx edi |
| xor eax, eax |
| cmp [ecx-6], eax |
| ; cmp [ecx-6], eax |
| ; jnz .exit |
| cmp [ecx-2], ax |
| jnz .exit |
| cmp [ecx-2], eax |
| jnz .exit |
| ; Partition record 0 has specific fields |
| cmp dword[ecx+0], 0x00020000 |
| cmp [ecx+0], al |
| jnz .exit |
| cmp byte[ecx+4], 0xEE |
| jnz .exit |