#include <asm/asm.h>#include <asm/mipsregs.h>#include <asm/regdef.h>#include <asm/stackframe.h>	.text	.set    macro	.set    noat	.align	5NESTED(it8172_IRQ, PT_SIZE, sp)	SAVE_ALL	CLI				# Important: mark KERNEL mode !        /* We're working with 'reorder' set at this point. */	/*	 * Get pending interrupts	 */	mfc0	t0,CP0_CAUSE		# get pending interrupts	mfc0	t1,CP0_STATUS		# get enabled interrupts	and	t0,t1			# isolate allowed ones	andi	t0,0xff00		# isolate pending bits        beqz    t0, 3f                  # spurious interrupt        andi    a0, t0, CAUSEF_IP7        beq     a0, zero, 1f        move    a0, sp        jal     mips_timer_interrupt	j	ret_from_irq        nop        1:        andi    a0, t0, CAUSEF_IP2      # the only int we expect at this time        beq     a0, zero, 3f           	move	a0,sp  	jal	it8172_hw0_irqdispatch	mfc0	t0,CP0_STATUS		# disable interrupts	ori	t0,1	xori	t0,1	mtc0	t0,CP0_STATUS        nop        nop        nop		la      a1, ret_from_irq	jr	a1        nop	3:		move a0, sp	jal	mips_spurious_interrupt        nop	la      a1, ret_from_irq	jr	a1        nopEND(it8172_IRQ)