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|
;; /*
;; * ---------------------------------------------------
;; *
;; * Copyright SoftwareLabs, all rights reserved.
;; *
;; * File: HalInterruptAPI.asm
;; * Purpose: Interrupt routing, redirect raw interrupts into their handlers.
;; *
;; * ---------------------------------------------------
;; */
[bits 64]
%define kInterruptId 0x21
%macro IntExp 1
global __HCR_INT_%1
__HCR_INT_%1:
cld
iretq
%endmacro
%macro IntNormal 1
global __HCR_INT_%1
__HCR_INT_%1:
cld
iretq
%endmacro
; This file handles the core interrupt table
; Last edited 31/01/24
global _ke_power_on_self_test
global ke_handle_irq
global kInterruptVectorTable
extern _hal_handle_mouse
extern idt_handle_gpf
extern idt_handle_pf
extern ke_io_write
extern idt_handle_ud
section .text
IntNormal 0
IntNormal 1
IntNormal 2
IntNormal 3
IntNormal 4
IntNormal 5
;; Invalid opcode interrupt
__HCR_INT_6:
cli
push rax
mov rcx, rsp
call idt_handle_ud
pop rax
sti
iretq
IntNormal 7
IntExp 8
IntNormal 9
IntExp 10
IntExp 11
IntExp 12
__HCR_INT_13:
cli
push rax
mov rcx, rsp
call idt_handle_gpf
pop rax
sti
iretq
__HCR_INT_14:
cli
push rax
mov rcx, rsp
call idt_handle_pf
pop rax
sti
iretq
IntNormal 15
IntNormal 16
IntExp 17
IntNormal 18
IntNormal 19
IntNormal 20
IntNormal 21
IntNormal 22
IntNormal 23
IntNormal 24
IntNormal 25
IntNormal 26
IntNormal 27
IntNormal 28
IntNormal 29
IntExp 30
IntNormal 31
IntNormal 32
IntNormal 33
IntNormal 34
IntNormal 35
IntNormal 36
IntNormal 37
IntNormal 38
IntNormal 39
IntNormal 40
IntNormal 41
IntNormal 42
IntNormal 43
__HCR_INT_44:
cli
;; TODO: CoreEvents dispatch routine.
push rax
call _hal_handle_mouse
pop rax
sti
iretq
IntNormal 45
IntNormal 46
IntNormal 47
IntNormal 48
IntNormal 49
__HCR_INT_50:
cli
;; todo handle system calls.
sti
iretq
IntNormal 51
IntNormal 52
IntNormal 53
IntNormal 54
IntNormal 55
IntNormal 56
IntNormal 57
IntNormal 58
IntNormal 59
IntNormal 60
%assign i 61
%rep 195
IntNormal i
%assign i i+1
%endrep
;; this one is doing a POST for us.
;; testing interrupts.
_ke_power_on_self_test:
int 0x32
int 0x32
int 0x32
int 0x32
ret
[global hal_load_gdt]
hal_load_gdt:
lgdt [rcx]
push 0x08
lea rax, [rel rt_reload_segments]
push rax
retfq
rt_reload_segments:
mov ax, 0x10
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
mov ss, ax
ret
global hal_load_idt
hal_load_idt:
lidt [rcx]
sti
ret
section .data
kInterruptVectorTable:
%assign i 0
%rep 256
dq __HCR_INT_%+i
%assign i i+1
%endrep
|
