[src/trunk]: src/sys/arch/bebox/bebox Cleanup spin loop for 2nd cpu.

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

details:   https://anonhg.NetBSD.org/src/rev/7ccd19cbcb02
branches:  trunk
changeset: 768075:7ccd19cbcb02
user:      kiyohara <kiyohara%NetBSD.org@localhost>
date:      Sun Aug 07 15:44:59 2011 +0000

description:
Cleanup spin loop for 2nd cpu.

diffstat:

 sys/arch/bebox/bebox/locore.S |  30 ++++++++----------------------
 1 files changed, 8 insertions(+), 22 deletions(-)

diffs (48 lines):

diff -r 6a5d7324e5a3 -r 7ccd19cbcb02 sys/arch/bebox/bebox/locore.S
--- a/sys/arch/bebox/bebox/locore.S     Sun Aug 07 15:31:35 2011 +0000
+++ b/sys/arch/bebox/bebox/locore.S     Sun Aug 07 15:44:59 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.S,v 1.24 2011/06/20 19:56:11 matt Exp $ */
+/*     $NetBSD: locore.S,v 1.25 2011/08/07 15:44:59 kiyohara Exp $     */
 /*     $OpenBSD: locore.S,v 1.4 1997/01/26 09:06:38 rahnds Exp $       */
 
 /*
@@ -120,31 +120,17 @@
        cmpwi   0, 9, 0         /* 0 if read by CPU 0, 1 if read by CPU 1 */
        bne     __start_cpu1
        b       __start_cpu0
+       nop
 
 __start_cpu1:
-#ifdef CPU1_SLEEP
-       lis     8, 0x0020       /* SLEEP */
-       mfspr   7, SPR_HID0     /* get HID0 */
-       or      7, 7, 8
-       mtspr   SPR_HID0, 7     /* set HID0 */
-       lis     8, 0x0004       /* POW */
-       sync
-       mtmsr   8
-       isync                   /* zzz... */
+#ifdef MULTIPROCESSOR
+       li      3, 0x1          /* CPU ID 1 */
+       ba      cpu_spinstart   /* cpu_spinstart(CPU ID) */
 #else
-       addi    9, 9, 1
-       lis     7, 0x100
-__start_cpu1_loop:
-       subi    7, 7, 1
-       cmpi    0, 7, 0
-       bne     __start_cpu1_loop
-       lis     8, 0x8000
-       ori     8, 8, 0x0c00
-       lis     9,_C_LABEL(cpu_info)+CI_CPL@ha
-       lwz     9,_C_LABEL(cpu_info)+CI_CPL@l(9)
-       stb     9, 0(8)
+1:
+       b       1b
 #endif
-       b       __start_cpu1
+       nop
 
 __start_cpu0: