[src/trunk]: src/sys/arch/sh3/sh3 Pass TEA to general_exception. While here...

[uwe <uwe%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/05e6fac3317e
branches:  trunk
changeset: 555642:05e6fac3317e
user:      uwe <uwe%NetBSD.org@localhost>
date:      Mon Nov 24 03:06:01 2003 +0000

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

diffstat:

 sys/arch/sh3/sh3/exception_vector.S |  13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)

diffs (45 lines):

diff -r c7fdcd3bc398 -r 05e6fac3317e sys/arch/sh3/sh3/exception_vector.S
--- a/sys/arch/sh3/sh3/exception_vector.S       Mon Nov 24 02:51:35 2003 +0000
+++ b/sys/arch/sh3/sh3/exception_vector.S       Mon Nov 24 03:06:01 2003 +0000
@@ -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 @@
        /* 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 @@
         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 @@
        __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