* [PATCH 4/14] lemote: Flush RAS and BTB for CPU predictively execution
@ 2009-04-09 4:54 yanhua
0 siblings, 0 replies; only message in thread
From: yanhua @ 2009-04-09 4:54 UTC (permalink / raw)
To: linux-mips, Ralf Baechle, 彭亮锦,
zhangfx@lemote.com
arch/mips/include/asm/stackframe.h | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/mips/include/asm/stackframe.h
b/arch/mips/include/asm/stackframe.h
index db0fa7b..204286e 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -117,6 +117,24 @@
.endm
#else
.macro get_saved_sp /* Uniprocessor variation */
+#ifdef CONFIG_CPU_LOONGSON2
+ move k0,ra
+ jal 2008f
+ nop
+ 2008:
+ jal 2008f
+ nop
+ 2008:
+ jal 2008f
+ nop
+ 2008:
+ jal 2008f
+ nop
+ 2008:
+ move ra,k0
+ li k0,3
+ mtc0 k0,$22
+#endif
#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
lui k1, %hi(kernelsp)
#else
--
1.5.6.5
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2009-04-09 4:54 [PATCH 4/14] lemote: Flush RAS and BTB for CPU predictively execution yanhua
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