| 432,6 → 432,11 |
|---|
| ret |
| endp |
| |
| iglobal |
| align 4 |
| acpi_lapic_base dd 0xfee00000 ; default local apic base |
| endg |
| |
| uglobal |
| align 4 |
| acpi_rsdp rd 1 |
| 443,8 → 448,10 |
|---|
| |
| acpi_rsdt_base rd 1 |
| acpi_madt_base rd 1 |
| acpi_lapic_base rd 1 |
| acpi_ioapic_base rd 1 |
| |
| cpu_count rd 1 |
| smpt rd 16 |
| endg |
| |
| ACPI_HI_RSDP_WINDOW_START equ 0x000E0000 |
| 493,6 → 500,7 |
|---|
| lea ebx, [ecx+36] |
| mov esi, [ecx+4] |
| add esi, ecx |
| align 4 |
| .next: |
| mov eax, [ebx] |
| cmp [eax], edx |
| 513,9 → 521,16 |
|---|
| pop ebx |
| ret |
| |
| align 4 |
| madt_find: |
| |
| |
| |
| |
| |
| ret |
| |
| align 4 |
| |
| check_acpi: |
| |
| call acpi_locate |
| 529,19 → 544,42 |
|---|
| test eax, eax |
| jz .done |
| |
| xchg bx, bx |
| |
| mov [acpi_madt_base-OS_BASE], eax |
| mov ecx, [eax+36] |
| mov [acpi_lapic_base-OS_BASE], ecx |
| |
| mov edi, smpt-OS_BASE |
| mov ebx, [ecx+0x20] |
| shr ebx, 24 ; read APIC ID |
| |
| mov [edi], ebx ; bootstrap always first |
| inc [cpu_count] |
| add edi, 4 |
| |
| lea edx, [eax+44] |
| mov ecx, [eax+4] |
| add ecx, eax |
| .check: |
| mov eax, [edx] |
| cmp al, 1 |
| je .ioapic |
| cmp al, 0 |
| jne .io_apic |
| |
| shr eax, 24 ; get APIC ID |
| cmp eax, ebx ; skip self |
| je .next |
| |
| test [edx+4], byte 1 ; is enabled ? |
| jz .next |
| |
| cmp [cpu_count-OS_BASE], 16 |
| jae .next |
| |
| stosd ; store APIC ID |
| inc [cpu_count-OS_BASE] |
| .next: |
| mov eax, [edx] |
| movzx eax, ah |
| add edx, eax |
| cmp edx, ecx |
| 548,7 → 586,11 |
|---|
| jb .check |
| .done: |
| ret |
| .ioapic: |
| |
| .io_apic: |
| cmp al, 1 |
| jne .next |
| |
| mov eax, [edx+4] |
| mov [acpi_ioapic_base-OS_BASE], eax |
| ret |
| jmp .next |