s/proc/lwp/ in comments.
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@ -1,4 +1,4 @@
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/* $NetBSD: locore_subr.S,v 1.17 2003/11/24 04:59:24 uwe Exp $ */
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/* $NetBSD: locore_subr.S,v 1.18 2004/01/18 04:59:52 uwe Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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@ -46,17 +46,17 @@
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#include <sh3/mmu_sh3.h>
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#include <sh3/mmu_sh4.h>
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__KERNEL_RCSID(0, "$NetBSD: locore_subr.S,v 1.17 2003/11/24 04:59:24 uwe Exp $")
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__KERNEL_RCSID(0, "$NetBSD: locore_subr.S,v 1.18 2004/01/18 04:59:52 uwe Exp $")
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.text
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.align 5 /* align cache line size (32B) */
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/*
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* void cpu_switch(struct lwp *):
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* Find a runnable process and switch to it. Wait if necessary.
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* void cpu_switch(struct lwp *)
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* Find a runnable lwp and switch to it. Wait if necessary.
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*/
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ENTRY(cpu_switch)
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/* Save current process's context to switchframe */
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/* Save current lwp's context to switchframe */
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mov.l _L.SF, r0
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mov.l @(r0, r4), r1
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add #SF_SIZE, r1
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@ -73,15 +73,15 @@ ENTRY(cpu_switch)
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mov.l r14, @-r1
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mov.l r15, @-r1
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/* Search next process. cpu_switch_search may or may not sleep. */
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/* Search next lwp. cpu_switch_search may or may not sleep. */
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mov.l _L.cpu_switch_search, r0
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jsr @r0
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mov r4, r8 /* save old proc */
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mov r4, r8 /* save old lwp */
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/* Skip context switch if same process. */
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/* Skip context switch if same lwp. */
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cmp/eq r8, r0
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bt/s 1f
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mov r0, r4 /* new proc */
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mov r0, r4 /* new lwp */
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_L.doswitch:
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/* Setup kernel stack */
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@ -100,7 +100,7 @@ _L.doswitch:
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/* Wire u-area */
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MOV (switch_resume, r0)
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jsr @r0
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mov r4, r8 /* save new proc */
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mov r4, r8 /* save new lwp */
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mov r8, r4
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__EXCEPTION_UNBLOCK(r0, r1)
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/* Now OK to use kernel stack. */
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@ -112,7 +112,7 @@ _L.doswitch:
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1: /* Return 0 indicating "didn't switch". */
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mov #0, r2
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/* Restore new process's context from switchframe */
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/* Restore new lwp's context from switchframe */
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/* NOTE: r2 has return value! */
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2: mov.l _L.SF, r0
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mov.l @(r0, r4), r1
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@ -141,7 +141,7 @@ FUNC_SYMBOL(switch_resume)
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* Switch to the specified next LWP.
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*/
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ENTRY(cpu_switchto)
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/* Save current process's context to switchframe. */
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/* Save current lwp's context to switchframe. */
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mov.l _L.SFp, r0
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mov.l @(r0, r4), r1
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add #SF_SIZE, r1
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@ -186,7 +186,7 @@ _L.cpu_switch_prepare: .long _C_LABEL(cpu_switch_prepare)
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#ifdef SH3
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/*
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* void sh3_switch_resume(sturct proc *p)
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* void sh3_switch_resume(sturct lwp *l)
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* Set current u-area PTE array to curupte.
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* No need to flush any entries. it is depended on u-area mapping is
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* wired, and its mapping never cause modified/reference fault.
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@ -209,16 +209,16 @@ _L.curupte: .long _C_LABEL(curupte)
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#ifdef SH4
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/*
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* void sh4_switch_resume(sturct proc *p)
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* void sh4_switch_resume(sturct lwp *l)
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* Wire u-area. invalidate TLB entry for kernel stack to prevent
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* TLB multiple hit.
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*/
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NENTRY(sh4_switch_resume)
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mov.l _L.UPTE,r0
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add r0, r4 /* p->p_md.md_upte */
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add r0, r4 /* l->l_md.md_upte */
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mov #UPAGES,r3
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mov #1, r2
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mov.l @r4, r0 /* if (p->p_md.md_upte[0].addr == 0) return; */
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mov.l @r4, r0 /* if (l->l_md.md_upte[0].addr == 0) return; */
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tst r0, r0
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bt 2f
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