patch-2.4.4 linux/arch/mips/orion/int-handler.S

• Lines: 54
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.3/linux/arch/mips/orion/int-handler.S
• Orig date: Tue Jul 11 11:14:48 2000

diff -u --recursive --new-file v2.4.3/linux/arch/mips/orion/int-handler.S linux/arch/mips/orion/int-handler.S
@@ -1,53 +0,0 @@
-#include <asm/asm.h>
-#include <asm/mipsregs.h>
-#include <asm/regdef.h>
-#include <asm/stackframe.h>
-
-	.text
-	.set    mips1
-	.set    reorder
-	.set    macro
-	.set    noat
-	.align	5
-
-NESTED(orionIRQ, PT_SIZE, sp)
-	SAVE_ALL
-	CLI				# Important: mark KERNEL mode !
-	/*
-	 * 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
-	sll	t0,16			# shift the pending bits down
-	beqz	t0,3f			# no pending intrs, then spurious
-	nop				# delay slot
-	
-	/*
-	 * Find irq with highest priority
-	 * FIXME: This is slow - use binary search
-	 */
-	la	a0,7
-1:	bltz	t0,2f			# found pending irq
-	subu	a0,1
-	sll	t0,1
-	b	1b
-	nop				# delay slot
-
-call_do_IRQ:
-2:	move	a1,sp
-	jal	do_IRQ
-	nop				# delay slot
-
-	mfc0	t0,CP0_STATUS		# disable interrupts
-	ori	t0,1
-	xori	t0,1
-	mtc0	t0,CP0_STATUS
-	
-	la      a1, ret_from_irq
-	jr	a1
-	
-3:	j	spurious_interrupt
-END(orionIRQ)
-