@@ -1,4 +1,4 @@
-/* $NetBSD: ofw_subr.S,v 1.9 2011/06/12 16:35:10 matt Exp $ */
+/* $NetBSD: ofw_subr.S,v 1.10 2011/07/27 22:04:23 macallan Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -34,6 +34,7 @@
.local firmstk
.globl openfirmware_entry
+ .globl ofwmsr
.local ofwsrsave
.local OF_buffer
@@ -41,7 +42,7 @@
.lcomm OF_buffer,NBPG,4
.comm openfirmware_entry,4,4 /* openfirmware entry point */
.lcomm ofwsrsave,64,4 /* openfirmware SR savearea */
- .lcomm ofwmsr,20,4 /* msr & sprg[0-3] used in OF */
+ .comm ofwmsr,20,4 /* msr & sprg[0-3] used in OF */
.comm ofwreal_incharge,4,4
/*
@@ -67,8 +68,14 @@
stw %r5,openfirmware_entry@l(%r8) /* save client interface handler*/
mfmsr %r0
- li %r8,PSL_IP
- andc %r0,%r0,%r8 /* make sure PSL_IP is off */
+/*
+ * XXX
+ * doing this here instead of later on in ofwoea_initppc() after setting
+ * up the console and such makes my PowerBook 3400c hang.
+ * Probably just another OF 2.0 weirdness
+ */
+ /*li %r8,PSL_IP*/
+ /*andc %r0,%r0,%r8*/ /* make sure PSL_IP is off */
lis %r9,ofwmsr@ha
stwu %r0,ofwmsr@l(%r9) /* save initial MSR value */
@@ -1,4 +1,4 @@
-/* $NetBSD: ofwoea_machdep.c,v 1.24 2011/07/17 23:23:54 dyoung Exp $ */
+/* $NetBSD: ofwoea_machdep.c,v 1.25 2011/07/27 22:04:23 macallan Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ofwoea_machdep.c,v 1.24 2011/07/17 23:23:54 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ofwoea_machdep.c,v 1.25 2011/07/27 22:04:23 macallan Exp $");
#include "opt_ppcarch.h"
#include "opt_compat_netbsd.h"
@@ -119,6 +119,7 @@
u_int timebase_freq = 0;
#endif
+extern int ofwmsr;
extern int chosen;
extern uint32_t ticks_per_sec;
extern uint32_t ns_per_tick;
@@ -200,6 +201,13 @@
ofmaplen = save_ofmap(NULL, 0);
if (ofmaplen > 0)
save_ofmap(ofmap, ofmaplen);
+
+/*
+ * XXX
+ * we need to do this here instead of earlier on in ofwinit() for some reason
+ * At least some versions of Apple OF 2.0.1 hang if we do this earlier
+ */
+ ofwmsr &= ~PSL_IP;
/* Parse the args string */
if (args) {