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Pass TEA to general_exception. While here add a couple of comments.

This commit is contained in:
uwe 2003-11-24 03:06:01 +00:00
parent 8205afea7d
commit 721c1a1815
1 changed files with 9 additions and 4 deletions
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13
sys/arch/sh3/sh3/exception_vector.S
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@ -1,4 +1,4 @@
/* $NetBSD: exception_vector.S,v 1.10 2003/01/18 06:33:43 thorpej Exp $ */
/* $NetBSD: exception_vector.S,v 1.11 2003/11/24 03:06:01 uwe Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -70,12 +70,15 @@ _C_LABEL(sh_vector_generic):
/* Get curlwp */
mov.l 3f, r1
mov.l @r1, r4 /* 1st arg */
/* Get TEA */
MOV (TEA, r1)
mov.l @r1, r6 /* 3rd arg */
/* Check TLB exception or not */
mov.l _L.TLB_PROT_ST, r1
cmp/hi r1, r0
bt 1f
MOV (TEA, r0)
mov.l @r0, r6 /* 3rd arg */
/* tlb_exception(curlwp, trapframe, trunc_page(TEA)); */
mov.l _L.VPN_MASK, r1
and r1, r6 /* va = trunc_page(va) */
__EXCEPTION_UNBLOCK(r0, r1)
@ -84,6 +87,8 @@ _C_LABEL(sh_vector_generic):
mov r14, r5 /* 2nd arg */
bra 2f
nop
/* general_exception(curlwp, trapframe, TEA); */
1: mov r4, r8
#ifdef DDB
mov #0, r2
@ -94,7 +99,7 @@ _C_LABEL(sh_vector_generic):
__EXCEPTION_UNBLOCK(r0, r1)
mov.l _L.general, r0
jsr @r0
mov r14, r5
mov r14, r5 /* 2nd arg */
/* Check for ASTs on exit to user mode. */
mov r8, r4