| To: | linux-mips@linux-mips.org, Ralf Baechle <ralf@linux-mips.org>, 彭亮锦 <penglj@lemote.com>, "zhangfx@lemote.com" <zhangfx@lemote.com> |
|---|---|
| Subject: | [PATCH 4/14] lemote: Flush RAS and BTB for CPU predictively execution |
| From: | yanhua <yanh@lemote.com> |
| Date: | Thu, 09 Apr 2009 12:54:39 +0800 |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Thunderbird 2.0.0.21 (Windows/20090302) |
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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