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Fix some comments.

This commit is contained in:
skrll 2006-05-10 07:13:30 +00:00
parent a9f4c28a3d
commit b053add405
1 changed files with 8 additions and 8 deletions
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16
sys/arch/arm/arm32/cpuswitch.S
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@ -1,4 +1,4 @@
/* $NetBSD: cpuswitch.S,v 1.42 2005/12/11 12:16:41 christos Exp $ */
/* $NetBSD: cpuswitch.S,v 1.43 2006/05/10 07:13:30 skrll Exp $ */
/*
* Copyright 2003 Wasabi Systems, Inc.
@ -414,7 +414,7 @@ ENTRY(cpu_switch)
.Lswitch_resume:
/* rem: r1 = old lwp */
/* rem: r4 = return value [not used if came from cpu_switchto()] */
/* rem: r6 = new process */
/* rem: r6 = new lwp */
/* rem: interrupts are disabled */
#ifdef MULTIPROCESSOR
@ -443,15 +443,15 @@ ENTRY(cpu_switch)
/* rem: r1 = old lwp */
/* rem: r4 = return value */
/* rem: r6 = new process */
/* rem: r6 = new lwp */
/* rem: interrupts are enabled */
/*
* If the new process is the same as the process that called
* If the new lwp is the same as the lwp that called
* cpu_switch() then we do not need to save and restore any
* contexts. This means we can make a quick exit.
* The test is simple if curlwp on entry (now in r1) is the
* same as the proc removed from the queue we can jump to the exit.
* same as the lwp removed from the queue we can jump to the exit.
*/
teq r1, r6
moveq r4, #0x00000000 /* default to "didn't switch" */
@ -477,7 +477,7 @@ ENTRY(cpu_switch)
/* rem: r0 = old lwp */
/* rem: r4 = return value */
/* rem: r6 = new process */
/* rem: r6 = new lwp */
/* rem: interrupts are enabled */
/* Stage two : Save old context */
@ -523,7 +523,7 @@ ENTRY(cpu_switch)
/* rem: r0 = old lwp */
/* rem: r4 = return value */
/* rem: r6 = new process */
/* rem: r6 = new lwp */
/* rem: r8 = old PCB */
/* rem: r9 = new PCB */
/* rem: interrupts are enabled */
@ -790,7 +790,7 @@ ENTRY(cpu_switch)
/*
* We skip the cache purge because switch_exit() already did it.
* Load up registers the way .Lcs_cache_purge_skipped expects.
* Userpsace access already blocked by switch_exit().
* Userspace access already blocked by switch_exit().
*/
ldr r9, [r6, #(L_ADDR)] /* r9 = new PCB */
ldr r3, .Lblock_userspace_access