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-rw-r--r--arch/mips/include/asm/mipsregs.h7
-rw-r--r--arch/mips/include/asm/stackframe.h6
2 files changed, 10 insertions, 3 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 3a7379b8f31c..a0e8ae5497b6 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -389,6 +389,13 @@
#define ST0_CU3 0x80000000
#define ST0_XX 0x80000000 /* MIPS IV naming */
+/* in-kernel enabled CUs */
+#ifdef CONFIG_CPU_LOONGSON64
+#define ST0_KERNEL_CUMASK (ST0_CU0 | ST0_CU2)
+#else
+#define ST0_KERNEL_CUMASK ST0_CU0
+#endif
+
/*
* Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
*/
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index 3e8d2aaf96af..aa430a6c68b2 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -450,7 +450,7 @@
*/
.macro CLI
mfc0 t0, CP0_STATUS
- li t1, ST0_CU0 | STATMASK
+ li t1, ST0_KERNEL_CUMASK | STATMASK
or t0, t1
xori t0, STATMASK
mtc0 t0, CP0_STATUS
@@ -463,7 +463,7 @@
*/
.macro STI
mfc0 t0, CP0_STATUS
- li t1, ST0_CU0 | STATMASK
+ li t1, ST0_KERNEL_CUMASK | STATMASK
or t0, t1
xori t0, STATMASK & ~1
mtc0 t0, CP0_STATUS
@@ -477,7 +477,7 @@
*/
.macro KMODE
mfc0 t0, CP0_STATUS
- li t1, ST0_CU0 | (STATMASK & ~1)
+ li t1, ST0_KERNEL_CUMASK | (STATMASK & ~1)
#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
andi t2, t0, ST0_IEP
srl t2, 2