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authorDavid S. Miller <davem@davemloft.net>2008-06-10 02:22:26 -0700
committerDavid S. Miller <davem@davemloft.net>2008-06-10 02:22:26 -0700
commit65b53e4cc90e59936733b3b95b9451d2ca47528d (patch)
tree29932718192962671c48c3fd1ea017a6112459e8 /arch/sparc64/mm/ultra.S
parent788c0a53164c05c5ccdb1472474372b72ba74644 (diff)
parent2e761e0532a784816e7e822dbaaece8c5d4be14d (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/tg3.c drivers/net/wireless/rt2x00/rt2x00dev.c net/mac80211/ieee80211_i.h
Diffstat (limited to 'arch/sparc64/mm/ultra.S')
-rw-r--r--arch/sparc64/mm/ultra.S31
1 files changed, 29 insertions, 2 deletions
diff --git a/arch/sparc64/mm/ultra.S b/arch/sparc64/mm/ultra.S
index 796e005dad8..9bb2d90a9df 100644
--- a/arch/sparc64/mm/ultra.S
+++ b/arch/sparc64/mm/ultra.S
@@ -1,7 +1,7 @@
-/* $Id: ultra.S,v 1.72 2002/02/09 19:49:31 davem Exp $
+/*
* ultra.S: Don't expand these all over the place...
*
- * Copyright (C) 1997, 2000 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1997, 2000, 2008 David S. Miller (davem@davemloft.net)
*/
#include <asm/asi.h>
@@ -15,6 +15,7 @@
#include <asm/thread_info.h>
#include <asm/cacheflush.h>
#include <asm/hypervisor.h>
+#include <asm/cpudata.h>
/* Basically, most of the Spitfire vs. Cheetah madness
* has to do with the fact that Cheetah does not support
@@ -514,6 +515,32 @@ xcall_report_regs:
b rtrap_xcall
ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
+#ifdef CONFIG_MAGIC_SYSRQ
+ .globl xcall_fetch_glob_regs
+xcall_fetch_glob_regs:
+ sethi %hi(global_reg_snapshot), %g1
+ or %g1, %lo(global_reg_snapshot), %g1
+ __GET_CPUID(%g2)
+ sllx %g2, 6, %g3
+ add %g1, %g3, %g1
+ rdpr %tstate, %g7
+ stx %g7, [%g1 + GR_SNAP_TSTATE]
+ rdpr %tpc, %g7
+ stx %g7, [%g1 + GR_SNAP_TPC]
+ rdpr %tnpc, %g7
+ stx %g7, [%g1 + GR_SNAP_TNPC]
+ stx %o7, [%g1 + GR_SNAP_O7]
+ stx %i7, [%g1 + GR_SNAP_I7]
+ sethi %hi(trap_block), %g7
+ or %g7, %lo(trap_block), %g7
+ sllx %g2, TRAP_BLOCK_SZ_SHIFT, %g2
+ add %g7, %g2, %g7
+ ldx [%g7 + TRAP_PER_CPU_THREAD], %g3
+ membar #StoreStore
+ stx %g3, [%g1 + GR_SNAP_THREAD]
+ retry
+#endif /* CONFIG_MAGIC_SYSRQ */
+
#ifdef DCACHE_ALIASING_POSSIBLE
.align 32
.globl xcall_flush_dcache_page_cheetah