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Fix get_saved_sp for 64bit address space. Simplify set_save_sp.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Thiemo Seufer <ths@networkno.de>
This commit is contained in:
Thiemo Seufer
2005-07-08 08:03:48 +00:00
committed by Ralf Baechle
parent 4552074577
commit 9556ac2fa1
1 changed files with 9 additions and 5 deletions
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14
include/asm-mips/stackframe.h
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@@ -90,24 +90,28 @@
#ifdef CONFIG_32BIT #ifdef CONFIG_32BIT
mfc0 \temp, CP0_CONTEXT mfc0 \temp, CP0_CONTEXT
srl \temp, 23 srl \temp, 23
LONG_S \stackp, kernelsp(\temp)
#endif #endif
#if defined(CONFIG_64BIT) && !defined(CONFIG_BUILD_ELF64) #if defined(CONFIG_64BIT) && !defined(CONFIG_BUILD_ELF64)
lw \temp, TI_CPU(gp) lw \temp, TI_CPU(gp)
dsll \temp, 3 dsll \temp, 3
lui \temp2, %hi(kernelsp)
daddu \temp, \temp2
LONG_S \stackp, %lo(kernelsp)(\temp)
#endif #endif
#if defined(CONFIG_64BIT) && defined(CONFIG_BUILD_ELF64) #if defined(CONFIG_64BIT) && defined(CONFIG_BUILD_ELF64)
MFC0 \temp, CP0_CONTEXT MFC0 \temp, CP0_CONTEXT
dsrl \temp, 23 dsrl \temp, 23
LONG_S \stackp, kernelsp(\temp)
#endif #endif
LONG_S \stackp, kernelsp(\temp)
.endm .endm
#else #else
.macro get_saved_sp /* Uniprocessor variation */ .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) lui k1, %hi(kernelsp)
#endif
LONG_L k1, %lo(kernelsp)(k1) LONG_L k1, %lo(kernelsp)(k1)
.endm .endm