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-rw-r--r--target/ppc/cpu.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index 21f0ddd056..042372c5ad 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -2491,6 +2491,28 @@ static inline uint32_t booke206_tlbnps(CPUPPCState *env, const int tlbn)
return ret;
}
+static inline void booke206_fixed_size_tlbn(CPUPPCState *env, const int tlbn,
+ ppcmas_tlb_t *tlb)
+{
+ uint8_t i;
+ int32_t tsize = -1;
+
+ for (i = 0; i < 32; i++) {
+ if ((env->spr[SPR_BOOKE_TLB0PS + tlbn]) & (1ULL << i)) {
+ if (tsize == -1) {
+ tsize = i;
+ } else {
+ return;
+ }
+ }
+ }
+
+ /* TLBnPS unimplemented? Odd.. */
+ assert(tsize != -1);
+ tlb->mas1 &= ~MAS1_TSIZE_MASK;
+ tlb->mas1 |= ((uint32_t)tsize) << MAS1_TSIZE_SHIFT;
+}
+
#endif
static inline bool msr_is_64bit(CPUPPCState *env, target_ulong msr)