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-rw-r--r--arch/powerpc/include/asm/reg.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index bffd89d27301..1c987bf794ef 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -225,6 +225,7 @@
#define CTRL_TE 0x00c00000 /* thread enable */
#define CTRL_RUNLATCH 0x1
#define SPRN_DAWR 0xB4
+#define SPRN_MPPR 0xB8 /* Micro Partition Prefetch Register */
#define SPRN_RPR 0xBA /* Relative Priority Register */
#define SPRN_CIABR 0xBB
#define CIABR_PRIV 0x3
@@ -254,7 +255,7 @@
#define DSISR_PROTFAULT 0x08000000 /* protection fault */
#define DSISR_ISSTORE 0x02000000 /* access was a store */
#define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
-#define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */
+#define DSISR_NOSEGMENT 0x00200000 /* SLB miss */
#define DSISR_KEYFAULT 0x00200000 /* Key fault */
#define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */
#define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */
@@ -944,9 +945,6 @@
* readable variant for reads, which can avoid a fault
* with KVM type virtualization.
*
- * (*) Under KVM, the host SPRG1 is used to point to
- * the current VCPU data structure
- *
* 32-bit 8xx:
* - SPRG0 scratch for exception vectors
* - SPRG1 scratch for exception vectors
@@ -1203,6 +1201,15 @@
: "r" ((unsigned long)(v)) \
: "memory")
+static inline unsigned long mfvtb (void)
+{
+#ifdef CONFIG_PPC_BOOK3S_64
+ if (cpu_has_feature(CPU_FTR_ARCH_207S))
+ return mfspr(SPRN_VTB);
+#endif
+ return 0;
+}
+
#ifdef __powerpc64__
#if defined(CONFIG_PPC_CELL) || defined(CONFIG_PPC_FSL_BOOK3E)
#define mftb() ({unsigned long rval; \