[Qemu-ppc] [PULL 17/40] booke206: fix booke206_tlbnps for mav 2.0

[David Gibson]

From: KONRAD Frederic <address@hidden>

This fixes booke206_tlbnps for MAV 2.0 by checking the MMUCFG register and
return directly the right tlbnps instead of computing it from non existing
field.

Signed-off-by: KONRAD Frederic <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
 target/ppc/cpu.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index cf4ded7b8e..21f0ddd056 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -2473,10 +2473,10 @@ static inline ppcmas_tlb_t 
*booke206_get_tlbm(CPUPPCState *env, const int tlbn,
 /* returns bitmap of supported page sizes for a given TLB */
 static inline uint32_t booke206_tlbnps(CPUPPCState *env, const int tlbn)
 {
-    bool mav2 = false;
     uint32_t ret = 0;
 
-    if (mav2) {
+    if ((env->spr[SPR_MMUCFG] & MMUCFG_MAVN) == MMUCFG_MAVN_V2) {
+        /* MAV2 */
         ret = env->spr[SPR_BOOKE_TLB0PS + tlbn];
     } else {
         uint32_t tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn];
-- 
2.13.5