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Fix some indentation problems. Turn off PSL_EE when calling OFW.

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This commit is contained in:
matt 2003-10-24 05:10:02 +00:00
parent 7293f1ab26
commit 425743428c
1 changed files with 18 additions and 20 deletions
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38
sys/arch/powerpc/powerpc/ofwreal.S
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@ -1,4 +1,4 @@
/* $NetBSD: ofwreal.S,v 1.5 2003/07/31 14:02:22 matt Exp $ */
/* $NetBSD: ofwreal.S,v 1.6 2003/10/24 05:10:02 matt Exp $ */
/*
* Copyright (C) 1996 Wolfgang Solfrank.
@ -72,10 +72,10 @@ ofentry:
ENTRY(ofwr_init)
mflr %r31 /* save return address */
mr %r13,%r6 /* save args */
mr %r12,%r7 /* save argslen */
mr %r13,%r6 /* save args */
mr %r12,%r7 /* save argslen */
lis %r8,ofentry@ha
stw %r5,ofentry@l(%r8) /* save virtual mode firmware entry */
stw %r5,ofentry@l(%r8) /* save virtual mode firmware entry */
lis %r3,fwsave@ha /* save the mmu values of the
firmware */
@ -85,8 +85,8 @@ ENTRY(ofwr_init)
lis %r5,fwentry@ha /* get new firmware entry */
addi %r5,%r5,fwentry@l
mr %r6,%r13 /* restore args pointer */
mr %r7,%r12 /* restore args length */
mr %r6,%r13 /* restore args pointer */
mr %r7,%r12 /* restore args length */
mtlr %r31 /* restore return address */
blr
@ -95,9 +95,9 @@ ENTRY(ofwr_init)
*/
fwentry:
mflr %r0 /* save return address */
stw %r0,4(1)
stwu %r1,-16(1) /* setup stack frame */
stw %r3,8(1) /* save arg */
stw %r0,4(%r1)
stwu %r1,-16(%r1) /* setup stack frame */
stw %r3,8(%r1) /* save arg */
lis %r3,clsave@ha /* save mmu values of client */
addi %r3,%r3,clsave@l
@ -108,36 +108,34 @@ fwentry:
bl restoremmu
lis %r3,ofentry@ha
lwz %r3,ofentry@l(%r3) /* get actual firmware entry */
lwz %r3,ofentry@l(%r3) /* get actual firmware entry */
mtlr %r3
mfmsr %r4
stw %r4,12(%r1) /* save MSR */
ori %r4,%r4,PSL_IR|PSL_DR /* turn on MMU */
andi. %r4,%r4,~PSL_EE@l /* turn off interrupts */
mtmsr %r4
isync
lwz %r3,8(%r1) /* restore arg */
lwz %r3,8(%r1) /* restore arg */
blrl /* do actual firmware call */
stw %r3,8(%r1) /* save return value */
stw %r3,8(%r1) /* save return value */
mfmsr %r4
lis %r3,(PSL_IR|PSL_DR)@h /* turn off MMU */
ori %r3,%r3,(PSL_IR|PSL_DR)@l
andc %r4,%r4,%r3
lwz %r4,12(%r1) /* get saved MSR */
mtmsr %r4
isync
lis %r3,fwsave@ha /* save mmu values of firmare */
addi %r3,%r3,fwsave@l /* (might not be necessary, but... */
addi %r3,%r3,fwsave@l /* (might not be necessary, but... */
bl savemmu
lis %r3,clsave@ha /* restore mmu values of client */
addi %r3,%r3,clsave@l
bl restoremmu
lwz %r3,8(%r1) /* restore return value */
lwz %r1,0(%r1) /* and return */
lwz %r3,8(%r1) /* restore return value */
lwz %r1,0(%r1) /* and return */
lwz %r0,4(%r1)
mtlr %r0
blr