aboutsummaryrefslogtreecommitdiff
path: root/include/asm-mips/stackframe.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-mips/stackframe.h')
-rw-r--r--include/asm-mips/stackframe.h29
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