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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-07-09 21:34:25 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-07-09 21:34:25 +0100 |
| commit | f974a8ec96571535ee07880a023bcce0e3f2c76b (patch) | |
| tree | 5cf09207b1ad292a55275cd0b24999fa29b9dfe8 /arch/sparc64/mm/ultra.S | |
| parent | c0b8556f2f8146bd38324b14b1ce00f249ba8ed9 (diff) | |
| parent | 4ed47896935573c8423d05bddda3f269d6e6c613 (diff) | |
| download | linux-f974a8ec96571535ee07880a023bcce0e3f2c76b.tar.bz2 | |
Merge branch 'machtypes' into pxa-palm
Diffstat (limited to 'arch/sparc64/mm/ultra.S')
| -rw-r--r-- | arch/sparc64/mm/ultra.S | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/arch/sparc64/mm/ultra.S b/arch/sparc64/mm/ultra.S index 796e005dad8b..9bb2d90a9df6 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 |