patch-2.4.20 linux-2.4.20/arch/mips64/sgi-ip27/ip27-irq-glue.S

• Lines: 65
• Date: Wed Dec 31 16:00:00 1969
• Orig file: linux-2.4.19/arch/mips64/sgi-ip27/ip27-irq-glue.S
• Orig date: Sun Sep 9 10:43:02 2001

diff -urN linux-2.4.19/arch/mips64/sgi-ip27/ip27-irq-glue.S linux-2.4.20/arch/mips64/sgi-ip27/ip27-irq-glue.S
@@ -1,64 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1999 Ralf Baechle
- * Copyright (C) 1999 Silicon Graphics, Inc.
- */
-#include <asm/asm.h>
-#include <asm/mipsregs.h>
-#include <asm/regdef.h>
-#include <asm/stackframe.h>
-
-	.text
-	.set	noat
-	.align	5
-NESTED(ip27_irq, PT_SIZE, sp)
-	SAVE_ALL
-	CLI
-	.set	at
-
-	/* IP27 may signal interrupt which we're not interested in.
-	   Mask them out.  */
-	mfc0	s0, CP0_CAUSE
-	mfc0	t0, CP0_STATUS
-	and	s0, t0
-
-	/* First check for RT interrupt.  */
-	andi	a0, s0, CAUSEF_IP4
-	beqz	a0, 1f
-
-	/* Ok, a timer interrupt. */
-	move	a0, sp
-	jal	rt_timer_interrupt
-
-	j	ret_from_irq
-
-1:	andi	a0, s0, (CAUSEF_IP2 | CAUSEF_IP3)
-	beqz	a0, 1f
-
-	/* ... a device interrupt ...  */
-	move	a0, sp
-	jal	ip27_do_irq
-
-	j	ret_from_irq
-
-1:
-#if 1
-	mfc0	a1, CP0_STATUS
-	srl	a1, a1, 8
-	andi	a1, 0xff
-
-	mfc0	a2, CP0_CAUSE
-	srl	a2, a2, 8
-	andi	a2, 0xff
-
-	move	a3, s0
-	PRINT("Spurious interrupt, c0_status = %02x, c0_cause = %02x, pending %02x.\n")
-	ld	a1, PT_EPC(sp)
-0:	b	0b
-#endif
-
-	j	ret_from_irq
-	END(ip27_irq)