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Diffstat (limited to 'arch/mips/include/asm/stackframe.h')
-rw-r--r--arch/mips/include/asm/stackframe.h20
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index dd7e220e087b..3b6da3330e32 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -87,15 +87,19 @@
#ifdef CONFIG_SMP
#ifdef CONFIG_MIPS_MT_SMTC
#define PTEBASE_SHIFT 19 /* TCBIND */
+#define CPU_ID_REG CP0_TCBIND
+#define CPU_ID_MFC0 mfc0
+#elif defined(CONFIG_MIPS_PGD_C0_CONTEXT)
+#define PTEBASE_SHIFT 48 /* XCONTEXT */
+#define CPU_ID_REG CP0_XCONTEXT
+#define CPU_ID_MFC0 MFC0
#else
#define PTEBASE_SHIFT 23 /* CONTEXT */
+#define CPU_ID_REG CP0_CONTEXT
+#define CPU_ID_MFC0 MFC0
#endif
.macro get_saved_sp /* SMP variation */
-#ifdef CONFIG_MIPS_MT_SMTC
- mfc0 k0, CP0_TCBIND
-#else
- MFC0 k0, CP0_CONTEXT
-#endif
+ CPU_ID_MFC0 k0, CPU_ID_REG
#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
lui k1, %hi(kernelsp)
#else
@@ -111,11 +115,7 @@
.endm
.macro set_saved_sp stackp temp temp2
-#ifdef CONFIG_MIPS_MT_SMTC
- mfc0 \temp, CP0_TCBIND
-#else
- MFC0 \temp, CP0_CONTEXT
-#endif
+ CPU_ID_MFC0 \temp, CPU_ID_REG
LONG_SRL \temp, PTEBASE_SHIFT
LONG_S \stackp, kernelsp(\temp)
.endm
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