[src/trunk]: src/sys/arch/sparc/sparc use the idle lwp's uarea for stack, not...

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

details:   https://anonhg.NetBSD.org/src/rev/65965bd794ef
branches:  trunk
changeset: 750518:65965bd794ef
user:      mrg <mrg%NetBSD.org@localhost>
date:      Mon Jan 04 04:06:57 2010 +0000

description:
use the idle lwp's uarea for stack, not the interrupt stack.  this works
now, and it fixes up idle vs interrupt time measurement for cpu>0.

diffstat:

 sys/arch/sparc/sparc/locore.s |  12 +-----------
 1 files changed, 1 insertions(+), 11 deletions(-)

diffs (33 lines):

diff -r 12f7576daf3f -r 65965bd794ef sys/arch/sparc/sparc/locore.s
--- a/sys/arch/sparc/sparc/locore.s     Mon Jan 04 03:54:42 2010 +0000
+++ b/sys/arch/sparc/sparc/locore.s     Mon Jan 04 04:06:57 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.253 2010/01/03 12:44:34 mrg Exp $ */
+/*     $NetBSD: locore.s,v 1.254 2010/01/04 04:06:57 mrg Exp $ */
 
 /*
  * Copyright (c) 1996 Paul Kranenburg
@@ -4568,15 +4568,6 @@
        wr      %g6, 0, %tbr
        nop; nop; nop                   ! paranoia
 
-#if 1
-       set     USRSTACK - CCFSZ, %fp   ! as if called from user code
-
-       /* Set up a stack. We use the bottom half of the interrupt stack */
-       sethi   %hi(_EINTSTACKP), %o0
-       ld      [%o0 + %lo(_EINTSTACKP)], %o0
-       set     (INT_STACK_SIZE/2) + CCFSZ + 80, %sp
-       sub     %o0, %sp, %sp
-#else
        /*
         * Use this CPUs idlelwp's stack
         */
@@ -4586,7 +4577,6 @@
        add     %o0, %sp, %sp
 
        add     80, %sp, %fp
-#endif
 
        /* Enable traps */
        rd      %psr, %l0