| 410,8 → 410,6 |
|---|
| ret |
| endp |
| |
| ACPI_HI_RSDP_WINDOW_START = 0x000E0000 |
| ACPI_HI_RSDP_WINDOW_END = 0x00100000 |
| ACPI_RSDP_CHECKSUM_LENGTH = 20 |
| |
| proc acpi_locate_tables uses ebx esi edi |
| 475,27 → 473,11 |
|---|
| push ebx |
| push edi |
| |
| if defined UEFI |
| ; UEFI loader knows where RSDP is |
| mov ebx, [BOOT_LO.acpi_rsdp] |
| test ebx, ebx |
| jz .done |
| mov edi, ebx |
| call .check |
| else |
| movzx ebx, word [0x40E] |
| shl ebx, 4 |
| lea ecx, [ebx+1024] |
| call .check |
| |
| test ebx, ebx |
| jz @F |
| jmp .done |
| |
| @@: |
| mov ebx, ACPI_HI_RSDP_WINDOW_START |
| mov edi, ACPI_HI_RSDP_WINDOW_END |
| call .check |
| end if |
| .done: |
| mov [acpi_rsdp_base - OS_BASE], ebx |
| test ebx, ebx |