%endrep
; Install IRQs
- %macro SETIRQ 1
- SETIDT 0xF0+%1, Irq%1
- %endmacro
-
- %assign i 0
- %rep 16
- SETIRQ i
- %assign i i+1
- %endrep
+ SETIDT 0xF0, Irq0
+ SETIDT 0xF1, Irq1
+ SETIDT 0xF2, Irq2
+ SETIDT 0xF3, Irq3
+ SETIDT 0xF4, Irq4
+ SETIDT 0xF5, Irq5
+ SETIDT 0xF6, Irq6
+ SETIDT 0xF7, Irq7
+ SETIDT 0xF8, Irq8
+ SETIDT 0xF9, Irq9
+ SETIDT 0xFA, Irq10
+ SETIDT 0xFB, Irq11
+ SETIDT 0xFC, Irq12
+ SETIDT 0xFD, Irq13
+ SETIDT 0xFE, Irq14
+ SETIDT 0xFF, Irq15
; Remap PIC
push rdx ; Save RDX
%macro ISR_NOERRNO 1
Isr%1:
- push 0
- push %1
+ push QWORD 0
+ push QWORD %1
jmp ErrorCommon
%endmacro
%macro ISR_ERRNO 1
Isr%1:
- push %1
+ push QWORD %1
jmp ErrorCommon
%endmacro
;PUSH_FPU
;PUSH_XMM
- mov rsi, rsp
+ mov rdi, rsp
+ xchg bx, bx
call Error_Handler
;POP_XMM
pop gs
POP_GPR
add rsp, 2*8
- iret
+ iretq
%macro DEFIRQ 1
Irq%1:
%assign i i+1
%endrep
+[global IrqCommon]
IrqCommon:
PUSH_GPR
mov rax, gaIRQ_Handlers
add rbx, rax
+ ; Check all callbacks
%assign i 0
%rep NUM_IRQ_CALLBACKS
+ ; Get callback address
mov rax, [rbx]
- test rax, rax
- mov rdi, [rsp+16*8] ; Get IRQ number
+ test rax, rax ; Check if it exists
jz .skip.%[i]
- call rax ; 2 Bytes (Op and Mod/RM)
+ ; Set RDI to IRQ number
+ mov rdi, [rsp+16*8] ; Get IRQ number
+ call rax ; Call
.skip.%[i]:
- add rbx, 8
+ add rbx, 8 ; Next!
%assign i i+1
%endrep
+ ; ACK
mov rdi, [rsp+16*8] ; Get IRQ number
cmp rdi, 8
mov al, 0x20
out dx, al
POP_GPR
- add rsp, 16
- iret
+ add rsp, 8*2
+ ;xchg bx, bx
+ iretq
[extern Proc_Scheduler]
+[global SchedulerIRQ]
SchedulerIRQ:
; TODO: Find Current CPU
PUSH_GPR
;POP_XMM
;POP_FPU
POP_GPR
- iret
+ add rsp, 8*2
+ iretq
[section .data]
gIDT:
- times 256 dd 0x00080000, 0x00000E00, 0, 0 ; 64-bit Interrupt Gate, CS = 0x8, IST0
+ ; 64-bit Interrupt Gate, CS = 0x8, IST0 (Disabled)
+ times 256 dd 0x00080000, 0x00000E00, 0, 0
gIDTPtr:
dw 256*16-1
dq gIDT