diff options
Diffstat (limited to 'include/asm-mips/stackframe.h')
| -rw-r--r-- | include/asm-mips/stackframe.h | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/include/asm-mips/stackframe.h b/include/asm-mips/stackframe.h index 7b5e64600bc..a8919dcc93c 100644 --- a/include/asm-mips/stackframe.h +++ b/include/asm-mips/stackframe.h @@ -60,7 +60,6 @@ mfc0 k0, CP0_CONTEXT lui k1, %hi(kernelsp) srl k0, k0, 23 - sll k0, k0, 2 addu k1, k0 LONG_L k1, %lo(kernelsp)(k1) #endif @@ -76,9 +75,14 @@ #endif #if defined(CONFIG_64BIT) && defined(CONFIG_BUILD_ELF64) MFC0 k1, CP0_CONTEXT + lui k0, %highest(kernelsp) dsrl k1, 23 - dsll k1, k1, 3 - LONG_L k1, kernelsp(k1) + daddiu k0, %higher(kernelsp) + dsll k0, k0, 16 + daddiu k0, %hi(kernelsp) + dsll k0, k0, 16 + daddu k1, k1, k0 + LONG_L k1, %lo(kernelsp)(k1) #endif .endm @@ -86,25 +90,28 @@ #ifdef CONFIG_32BIT mfc0 \temp, CP0_CONTEXT srl \temp, 23 - sll \temp, 2 - 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) - lw \temp, TI_CPU(gp) - dsll \temp, 3 - LONG_S \stackp, kernelsp(\temp) + MFC0 \temp, CP0_CONTEXT + dsrl \temp, 23 #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 |