From: Wu Zhangjin <wuzhangjin@xxxxxxxxx> This is directly picked from the to-mips branch of http://dev.lemote.com/code/linux_loongson Signed-off-by: Wu Zhangjin <wuzhangjin@xxxxxxxxx> --- arch/mips/include/asm/stackframe.h | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h index db0fa7b..8b92e56 100644 --- a/arch/mips/include/asm/stackframe.h +++ b/arch/mips/include/asm/stackframe.h @@ -117,6 +117,20 @@ .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 -- 1.6.2.1
