From: Thiemo Seufer Date: Fri, 8 Jul 2005 08:03:48 +0000 (+0000) Subject: Fix get_saved_sp for 64bit address space. Simplify set_save_sp. X-Git-Tag: v3.12-rc1~41253^2~1^2~158 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9556ac2fa1b16ec702e200fc558636a09a50f0e0;p=kernel%2Fkernel-generic.git Fix get_saved_sp for 64bit address space. Simplify set_save_sp. Signed-off-by: Ralf Baechle Signed-off-by: Thiemo Seufer --- diff --git a/include/asm-mips/stackframe.h b/include/asm-mips/stackframe.h index de303e9..a8919dc 100644 --- a/include/asm-mips/stackframe.h +++ b/include/asm-mips/stackframe.h @@ -90,24 +90,28 @@ #ifdef CONFIG_32BIT mfc0 \temp, CP0_CONTEXT srl \temp, 23 - LONG_S \stackp, kernelsp(\temp) #endif #if defined(CONFIG_64BIT) && !defined(CONFIG_BUILD_ELF64) lw \temp, TI_CPU(gp) dsll \temp, 3 - lui \temp2, %hi(kernelsp) - daddu \temp, \temp2 - LONG_S \stackp, %lo(kernelsp)(\temp) #endif #if defined(CONFIG_64BIT) && defined(CONFIG_BUILD_ELF64) MFC0 \temp, CP0_CONTEXT dsrl \temp, 23 - LONG_S \stackp, kernelsp(\temp) #endif + LONG_S \stackp, kernelsp(\temp) .endm #else .macro get_saved_sp /* Uniprocessor variation */ +#if defined(CONFIG_64BIT) && defined(CONFIG_BUILD_ELF64) + lui k1, %highest(kernelsp) + daddiu k1, %higher(kernelsp) + dsll k1, k1, 16 + daddiu k1, %hi(kernelsp) + dsll k1, k1, 16 +#else lui k1, %hi(kernelsp) +#endif LONG_L k1, %lo(kernelsp)(k1) .endm