patch-2.2.7 linux/arch/sparc/lib/irqlock.S

• Lines: 76
• Date: Thu Apr 22 19:24:51 1999
• Orig file: v2.2.6/linux/arch/sparc/lib/irqlock.S
• Orig date: Tue May 13 22:41:03 1997

diff -u --recursive --new-file v2.2.6/linux/arch/sparc/lib/irqlock.S linux/arch/sparc/lib/irqlock.S
@@ -1,4 +1,4 @@
-/* $Id: irqlock.S,v 1.4 1997/05/01 02:26:54 davem Exp $
+/* $Id: irqlock.S,v 1.5 1999/04/20 13:22:37 anton Exp $
  * irqlock.S: High performance IRQ global locking and interrupt entry.
  *
  * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
@@ -9,69 +9,6 @@
 
 	.text
 	.align	4
-
-	/* This is incredibly insane... */
-	.globl	___irq_enter
-___irq_enter:
-	sethi	%hi(local_irq_count), %g2
-	sll	%g1, 2, %g1
-	or	%g2, %lo(local_irq_count), %g2
-	ld	[%g2 + %g1], %g3
-	sethi	%hi(global_irq_count), %g5
-	add	%g3, 1, %g3
-	or	%g5, %lo(global_irq_count), %g5
-	st	%g3, [%g2 + %g1]
-1:
-	ldstub	[%g5 + 3], %g2
-	orcc	%g2, 0x0, %g0
-	bne	1b
-	 ld	[%g5], %g3
-	sra	%g3, 8, %g3
-	add	%g3, 1, %g3
-	sll	%g3, 8, %g3
-	st	%g3, [%g5]
-	sethi	%hi(global_irq_lock), %g1
-	ldub	[%g1 + %lo(global_irq_lock)], %g2
-1:	
-	orcc	%g2, 0x0, %g0
-	bne,a	1b
-	 ldub	[%g1 + %lo(global_irq_lock)], %g2
-___irq_enter_out:
-	jmpl	%o7, %g0
-	 mov	%g4, %o7
-
-	.globl	___irq_exit
-___irq_exit:
-	rd	%psr, %g3
-	sethi	%hi(global_irq_count), %g1
-	or	%g3, PSR_PIL, %g3
-	or	%g1, %lo(global_irq_count), %g1
-	wr	%g3, 0x0, %psr
-	sethi	%hi(local_irq_count), %g2
-	sll	%g7, 2, %g7
-	or	%g2, %lo(local_irq_count), %g2
-	ld	[%g2 + %g7], %g3
-1:	
-	ldstub	[%g1 + 3], %g5
-	orcc	%g5, 0x0, %g0
-	bne	1b
-	 ld	[%g1], %g5
-	sra	%g5, 8, %g5
-	sub	%g5, 1, %g5
-	sll	%g5, 8, %g5
-	st	%g5, [%g1]
-	sub	%g3, 1, %g3
-	sethi	%hi(global_irq_holder), %g1
-	st	%g3, [%g2 + %g7]
-	srl	%g7, 2, %g7
-	ldub	[%g1 + %lo(global_irq_holder)], %g5
-	cmp	%g5, %g7
-	bne	___irq_enter_out
-	 mov	NO_PROC_ID, %g2
-	stb	%g2, [%g1 + %lo(global_irq_holder)]
-	sethi	%hi(global_irq_lock), %g5
-	b	___irq_enter_out
-	 stb	%g0, [%g5 + %lo(global_irq_lock)]
 
 	/* Weird calling conventions... %g7=flags, %g4=%prev_o7
 	 * Very clever for the __global_sti case, the inline which