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Add IRQ handlers system

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This commit is contained in:
Baptiste Wicht 2013-10-18 22:36:15 +02:00
parent a774a2733b
commit 147dfc2374
1 changed files with 12 additions and 0 deletions
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12
src/interrupts.asm
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@ -62,6 +62,14 @@ _irq%1:
; Disable interruptions to avoid being interrupted ; Disable interruptions to avoid being interrupted
cli cli
mov rax, [irq_handlers + 8 *%1]
cmp rax, 0
je .eoi
call rax
.eoi:
mov rax, %1 ; IRQ number mov rax, %1 ; IRQ number
cmp rax, 8 cmp rax, 8
jl .master jl .master
@ -214,3 +222,7 @@ IDT64:
IDTR64: IDTR64:
dw (256 * 16) - 1 ; Limit dw (256 * 16) - 1 ; Limit
dq IDT64 ; Base dq IDT64 ; Base
; Handlers for each IRQ, 0 indicate no handler
irq_handlers:
times 16 dq 0