haraldwolff/qemu-patch-raspberry4
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booke206: fix booke206_tlbnps for mav 2.0

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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 <frederic.konrad@adacore.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
KONRAD Frederic 2017-08-07 17:50:45 +02:00 committed by David Gibson
parent 2e886fb391
commit 3f330293ba
1 changed files with 2 additions and 2 deletions
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4
target/ppc/cpu.h
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@ -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];