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target/ppc: Introduce an mmu_is_64bit() helper

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Callers don't really need to know how 64-bit MMU model enums are
computed. Hide this in a helper.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <20201209173536.1437351-3-groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2020-12-09 18:35:36 +01:00 • committed by David Gibson
parent d55dfd446c
commit d57d72a874
7 changed files with 17 additions and 12 deletions
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4
target/ppc/excp_helper.c
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@ -266,7 +266,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
*/
if (excp == POWERPC_EXCP_HV_EMU
#if defined(TARGET_PPC64)
&& !((env->mmu_model & POWERPC_MMU_64) && (env->msr_mask & MSR_HVB))
&& !(mmu_is_64bit(env->mmu_model) && (env->msr_mask & MSR_HVB))
#endif /* defined(TARGET_PPC64) */
) {
@ -824,7 +824,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
vector = (uint32_t)vector;
}
} else {
if (!msr_isf && !(env->mmu_model & POWERPC_MMU_64)) {
if (!msr_isf && !mmu_is_64bit(env->mmu_model)) {
vector = (uint32_t)vector;
} else {
new_msr |= (target_ulong)1 << MSR_SF;