defirqs.s

来自「一个操作系统,用C语言实现开发的,我在一个浙江大学的操作系统实验网站找到.大家学」· S 代码 · 共 43 行

# Kernel
# Default device IRQs

.include "irq.inc"

.text
.global _irq_hd, _irq_kbd

# Default Driver IDE
_irq_hd:
	IRQ_ENTER
	
		call _onHD
		SEND_EOI
		
	IRQ_LEAVE

# Default Keyboard
_irq_kbd:
	INT_ENTER
	
		IN_INTERRUPT
				
		xorl %eax, %eax
		inb $0x60, %al
		pushl %eax		# save argument for c procedure

		inb $0x61, %al
		call delay
		orb $0x80, %al
		outb %al, $0x61
		call delay
		andb $0x7F, %al
		outb %al, $0x61
		SEND_EOI		

		OUT_INTERRUPT
		
		call _onKBD
		addl $4, %esp
			
	INT_LEAVE