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| Rev 1074 | Rev 1085 | ||
|---|---|---|---|
| Line 54... | Line 54... | ||
| 54 | ;; |
54 | ;; |
| 55 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
55 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| Line 56... | Line 56... | ||
| 56 | 56 | ||
| Line 57... | Line 57... | ||
| 57 | include 'macros.inc' |
57 | include 'macros.inc' |
| Line 58... | Line 58... | ||
| 58 | 58 | ||
| Line 59... | Line 59... | ||
| 59 | $Revision: 1074 $ |
59 | $Revision: 1085 $ |
| Line 5456... | Line 5456... | ||
| 5456 | 5456 | ||
| 5457 | mov al, 0xFF |
5457 | mov al, 0xFF |
| 5458 | out 0x21, al |
5458 | out 0x21, al |
| Line 5459... | Line 5459... | ||
| 5459 | out 0xA1, al |
5459 | out 0xA1, al |
| 5460 | 5460 | ||
| 5461 | if 1 |
5461 | if 0 |
| Line 5462... | Line 5462... | ||
| 5462 | mov word [OS_BASE+0x467+0],pr_mode_exit |
5462 | mov word [OS_BASE+0x467+0],pr_mode_exit |
| 5463 | mov word [OS_BASE+0x467+2],0x1000 |
5463 | mov word [OS_BASE+0x467+2],0x1000 |
| Line 5469... | Line 5469... | ||
| 5469 | 5469 | ||
| 5470 | mov al,0xFE |
5470 | mov al,0xFE |
| Line 5471... | Line 5471... | ||
| 5471 | out 0x64,al |
5471 | out 0x64,al |
| - | 5472 | ||
| Line 5472... | Line 5473... | ||
| 5472 | 5473 | hlt |
|
| 5473 | hlt |
5474 | jmp $-1 |
| 5474 | 5475 | ||
| Line 5520... | Line 5521... | ||
| 5520 | jz .fadt_found |
5521 | jz .fadt_found |
| 5521 | loop .scan_fadt |
5522 | loop .scan_fadt |
| 5522 | jmp no_acpi_power_off |
5523 | jmp no_acpi_power_off |
| 5523 | .fadt_found: |
5524 | .fadt_found: |
| 5524 | ; ebx is linear address of FADT |
5525 | ; ebx is linear address of FADT |
| - | 5526 | mov edi, [ebx+40] ; physical address of the DSDT |
|
| - | 5527 | lea eax, [ebp+4000h] |
|
| - | 5528 | stdcall map_page, eax, edi, PG_MAP |
|
| - | 5529 | lea eax, [ebp+5000h] |
|
| - | 5530 | lea esi, [edi+0x1000] |
|
| - | 5531 | stdcall map_page, eax, esi, PG_MAP |
|
| - | 5532 | and esi, 0xFFF |
|
| - | 5533 | sub edi, esi |
|
| - | 5534 | cmp dword [esi+ebp+4000h], 'DSDT' |
|
| - | 5535 | jnz no_acpi_power_off |
|
| - | 5536 | mov eax, [esi+ebp+4004h] ; DSDT length |
|
| - | 5537 | sub eax, 36+4 |
|
| - | 5538 | jbe no_acpi_power_off |
|
| - | 5539 | add esi, 36 |
|
| - | 5540 | .scan_dsdt: |
|
| - | 5541 | cmp dword [esi+ebp+4000h], '_S5_' |
|
| - | 5542 | jnz .scan_dsdt_cont |
|
| - | 5543 | cmp byte [esi+ebp+4000h+4], 12h ; DefPackage opcode |
|
| - | 5544 | jnz .scan_dsdt_cont |
|
| - | 5545 | mov dl, [esi+ebp+4000h+6] |
|
| - | 5546 | cmp dl, 4 ; _S5_ package must contain 4 bytes |
|
| - | 5547 | ; ...in theory; in practice, VirtualBox has 2 bytes |
|
| - | 5548 | ja .scan_dsdt_cont |
|
| - | 5549 | cmp dl, 1 |
|
| - | 5550 | jb .scan_dsdt_cont |
|
| - | 5551 | lea esi, [esi+ebp+4000h+7] |
|
| - | 5552 | xor ecx, ecx |
|
| - | 5553 | cmp byte [esi], 0 ; 0 means zero byte, 0Ah xx means byte xx |
|
| - | 5554 | jz @f |
|
| - | 5555 | cmp byte [esi], 0xA |
|
| - | 5556 | jnz no_acpi_power_off |
|
| - | 5557 | inc esi |
|
| - | 5558 | mov cl, [esi] |
|
| - | 5559 | @@: |
|
| - | 5560 | inc esi |
|
| - | 5561 | cmp dl, 2 |
|
| - | 5562 | jb @f |
|
| - | 5563 | cmp byte [esi], 0 |
|
| - | 5564 | jz @f |
|
| - | 5565 | cmp byte [esi], 0xA |
|
| - | 5566 | jnz no_acpi_power_off |
|
| - | 5567 | inc esi |
|
| - | 5568 | mov ch, [esi] |
|
| - | 5569 | @@: |
|
| - | 5570 | jmp do_acpi_power_off |
|
| - | 5571 | .scan_dsdt_cont: |
|
| - | 5572 | inc esi |
|
| - | 5573 | cmp esi, 0x1000 |
|
| - | 5574 | jb @f |
|
| - | 5575 | sub esi, 0x1000 |
|
| - | 5576 | add edi, 0x1000 |
|
| - | 5577 | push eax |
|
| - | 5578 | lea eax, [ebp+4000h] |
|
| - | 5579 | stdcall map_page, eax, edi, PG_MAP |
|
| - | 5580 | push PG_MAP |
|
| - | 5581 | lea eax, [edi+1000h] |
|
| - | 5582 | push eax |
|
| - | 5583 | lea eax, [ebp+5000h] |
|
| - | 5584 | push eax |
|
| - | 5585 | stdcall map_page |
|
| - | 5586 | pop eax |
|
| - | 5587 | @@: |
|
| - | 5588 | dec eax |
|
| - | 5589 | jnz .scan_dsdt |
|
| - | 5590 | jmp no_acpi_power_off |
|
| - | 5591 | do_acpi_power_off: |
|
| 5525 | mov edx, [ebx+48] |
5592 | mov edx, [ebx+48] |
| 5526 | test edx, edx |
5593 | test edx, edx |
| 5527 | jz .nosmi |
5594 | jz .nosmi |
| 5528 | mov al, [ebx+52] |
5595 | mov al, [ebx+52] |
| 5529 | out dx, al |
5596 | out dx, al |
| Line 5531... | Line 5598... | ||
| 5531 | @@: |
5598 | @@: |
| 5532 | in ax, dx |
5599 | in ax, dx |
| 5533 | test al, 1 |
5600 | test al, 1 |
| 5534 | jz @b |
5601 | jz @b |
| 5535 | .nosmi: |
5602 | .nosmi: |
| - | 5603 | and cx, 0x0707 |
|
| - | 5604 | shl cx, 2 |
|
| - | 5605 | or cx, 0x2020 |
|
| 5536 | mov edx, [ebx+64] |
5606 | mov edx, [ebx+64] |
| 5537 | in ax, dx |
5607 | in ax, dx |
| 5538 | and ax, 203h |
5608 | and ax, 203h |
| 5539 | or ax, 3C00h |
5609 | or ah, cl |
| 5540 | out dx, ax |
5610 | out dx, ax |
| 5541 | mov edx, [ebx+68] |
5611 | mov edx, [ebx+68] |
| 5542 | test edx, edx |
5612 | test edx, edx |
| 5543 | jz @f |
5613 | jz @f |
| 5544 | in ax, dx |
5614 | in ax, dx |
| 5545 | and ax, 203h |
5615 | and ax, 203h |
| 5546 | or ax, 3C00h |
5616 | or ah, ch |
| 5547 | out dx, ax |
5617 | out dx, ax |
| 5548 | @@: |
5618 | @@: |
| 5549 | jmp $ |
5619 | jmp $ |
| Line 5560... | Line 5630... | ||
| 5560 | 5630 | ||
| 5561 | mov al,0xFE |
5631 | mov al,0xFE |
| Line 5562... | Line 5632... | ||
| 5562 | out 0x64,al |
5632 | out 0x64,al |
| - | 5633 | ||
| Line 5563... | Line 5634... | ||
| 5563 | 5634 | hlt |
|
| 5564 | hlt |
5635 | jmp $-1 |
| 5565 | 5636 | ||
| 5566 | scan_rsdp: |
5637 | scan_rsdp: |