| 12,9 → 12,9 |
|---|
| endg |
| |
| uglobal |
| APIC: dd 0 |
| LAPIC_BASE: dd 0 |
| IOAPIC_base: dd 0 |
| APIC rd 1 |
| IOAPIC_base rd 1 |
| LAPIC_BASE rd 1 |
| endg |
| |
| APIC_ID equ 0x20 |
| 44,17 → 44,15 |
|---|
| |
| APIC_init: |
| mov dword[APIC], 0 |
| ; jmp .no_apic ; NO APIC |
| ; bt [cpu_caps], CAPS_APIC |
| ; jnc .no_apic |
| ; Check for MP table |
| ;..... |
| |
| mov eax, [acpi_ioapic_base] |
| test eax, eax |
| jz .no_apic |
| |
| call IRQ_mask_all |
| |
| ; IOAPIC init |
| ; 0xfec00000 - may be relocated, see chip reference... & MP table |
| stdcall map_io_mem, 0xfec00000, 0x20, PG_SW |
| stdcall map_io_mem, [acpi_ioapic_base], 0x20, PG_SW |
| mov [IOAPIC_base], eax |
| |
| mov eax, IOAPIC_VER |
| 135,11 → 133,11 |
|---|
| ; Check MSR support |
| ;.... |
| ; Get LAPIC base address |
| mov ecx, 0x1b |
| rdmsr ; it may be replaced to |
| and ax, 0xf000 ; mov eax, 0xfee00000 |
| ; mov ecx, 0x1b |
| ; rdmsr ; it may be replaced to |
| ; and ax, 0xf000 ; mov eax, 0xfee00000 |
| |
| stdcall map_io_mem, eax, 0x1000, PG_SW |
| stdcall map_io_mem, [acpi_lapic_base], 0x1000, PG_SW |
| mov [LAPIC_BASE], eax |
| mov esi, eax |
| |