patch-2.1.44 linux/arch/mips/kernel/tyne.S

• Lines: 129
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.43/linux/arch/mips/kernel/tyne.S
• Orig date: Wed Dec 13 02:39:44 1995

diff -u --recursive --new-file v2.1.43/linux/arch/mips/kernel/tyne.S linux/arch/mips/kernel/tyne.S
@@ -1,128 +0,0 @@
-/*
- * arch/mips/kernel/tyne.S
- *
- * Deskstation Tyne specific Assembler code
- *
- * Copyright (C) 1994, 1995 Waldorf Electronics
- * written by Ralf Baechle and Andreas Busse
- */
-#include <asm/asm.h>
-#include <asm/mipsconfig.h>
-#include <asm/mipsregs.h>
-#include <asm/stackframe.h>
-
-/*
- * Deskstation Tyne interrupt handler
- */
-		.text
-		.set	noreorder
-		.set	noat
-		.align	5
-		NESTED(deskstation_tyne_handle_int, FR_SIZE, sp)
-		SAVE_ALL
-		CLI
-		.set	at
-		lui	s0,%hi(PORT_BASE)
-		li	t1,0x0f
-		sb	t1,%lo(PORT_BASE+0x20)(s0)	# poll command
-		lb	t1,%lo(PORT_BASE+0x20)(s0)	# read result
-		li	s1,1
-		bgtz	t1,Lpoll_second
-		andi	t1,t1,7
-		/*
-		 * Acknowledge first pic
-		 */
-		lb	t2,%lo(PORT_BASE+0x21)(s0)
-		lui	s4,%hi(cache_21)
-		lb	t0,%lo(cache_21)(s4)
-		sllv	s1,s1,t1
-		or	t0,t0,s1
-		sb	t0,%lo(cache_21)(s4)
-		sb	t0,%lo(PORT_BASE+0x21)(s0)
-		lui	s3,%hi(intr_count)
-		lw	t0,%lo(intr_count)(s3)
-		li	t2,0x20
-		sb	t2,%lo(PORT_BASE+0x20)(s0)
-		/*
-		 * Now call the real handler
-		 */
-		la	t3,IRQ_vectors
-		sll	t2,t1,2
-		addu	t3,t3,t2
-		lw	t3,(t3)
-		addiu	t0,t0,1
-		jalr	t3
-		sw	t0,%lo(intr_count)(s3)			# delay slot
-		lw	t0,%lo(intr_count)(s3)
-		/*
-		 * Unblock first pic
-		 */
-		lbu	t1,%lo(PORT_BASE+0x21)(s0)
-		lb	t1,%lo(cache_21)(s4)
-		subu	t0,t0,1
-		sw	t0,%lo(intr_count)(s3)
-		nor	s1,zero,s1
-		and	t1,t1,s1
-		sb	t1,%lo(cache_21)(s4)
-		jr	v0
-		sb	t1,%lo(PORT_BASE+0x21)(s0)	# delay slot
-
-		.align	5
-Lpoll_second:	li	t1,0x0f
-		sb	t1,%lo(PORT_BASE+0xa0)(s0)	# poll command
-		lb	t1,%lo(PORT_BASE+0xa0)(s0)	# read result
-		lui	s4,%hi(cache_A1)
-		bgtz	t1,spurious_interrupt
-		andi	t1,t1,7
-		/*
-		 * Acknowledge second pic
-		 */
-		lbu	t2,%lo(PORT_BASE+0xa1)(s0)
-		lb	t3,%lo(cache_A1)(s4)
-		sllv	s1,s1,t1
-		or	t3,t3,s1
-		sb	t3,%lo(cache_A1)(s4)
-		sb	t3,%lo(PORT_BASE+0xa1)(s0)
-		li	t3,0x20
-		sb	t3,%lo(PORT_BASE+0xa0)(s0)
-		lui	s3,%hi(intr_count)
-		lw	t0,%lo(intr_count)(s3)
-		sb	t3,%lo(PORT_BASE+0x20)(s0)
-		/*
-		 * Now call the real handler
-		 */
-		la	t0,IRQ_vectors
-		sll	t2,t1,2
-		addu	t0,t0,t2
-		lw	t0,32(t0)
-		addiu	t0,t0,1
-		jalr	t0
-		sw	t0,%lo(intr_count)(s3)			# delay slot
-		lw	t0,%lo(intr_count)(s3)
-		/*
-		 * Unblock second pic
-		 */
-		lb	t1,%lo(PORT_BASE+0xa1)(s0)
-		lb	t1,%lo(cache_A1)(s4)
-		subu	t0,t0,1
-		lw	t0,%lo(intr_count)(s3)
-		nor	s1,zero,s1
-		and	t1,t1,s1
-		sb	t1,%lo(cache_A1)(s4)
-		jr	v0
-		sb	t1,%lo(PORT_BASE+0xa1)(s0)	# delay slot
-		END(deskstation_tyne_handle_int)
-
-		.align	5
-LEAF(spurious_interrupt)
-		/*
-		 * Nothing happened... (whistle)
-		 */
-		lui	t1,%hi(spurious_count)
-		lw	t0,%lo(spurious_count)(t1)
-		la	v0,return
-		addiu	t0,1
-		jr	ra
-		sw	t0,%lo(spurious_count)(t1)
-		END(spurious_interrupt)
-