svn commit: r205212 - projects/ppc64/sys/powerpc/aim

[Nathan Whitehorn]

Author: nwhitehorn
Date: Tue Mar 16 15:52:38 2010
New Revision: 205212
URL: http://svn.freebsd.org/changeset/base/205212

Log:
  Explicitly set the CPU to 64-bit mode on reset. This makes SMP come
  up a little further on Apple hardware.
  
  Submitted by:	Andreas Tobler

Modified:
  projects/ppc64/sys/powerpc/aim/trap_subr64.S

Modified: projects/ppc64/sys/powerpc/aim/trap_subr64.S
==============================================================================
--- projects/ppc64/sys/powerpc/aim/trap_subr64.S	Tue Mar 16 15:50:31 2010	(r205211)
+++ projects/ppc64/sys/powerpc/aim/trap_subr64.S	Tue Mar 16 15:52:38 2010	(r205212)
@@ -263,6 +263,13 @@ nslb:
  */
 	.globl	CNAME(rstcode), CNAME(rstsize)
 CNAME(rstcode):
+	/* Explicitly set MSR[SF] */
+	mfmsr	%r9
+	li	%r8,1
+	insrdi	%r9,%r8,1,0
+	mtsmrd	%r9
+	isync
+
 	ba	cpu_reset
 CNAME(rstsize) = . - CNAME(rstcode)