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author | Cédric Le Goater <clg@kaod.org> | 2022-01-28 13:15:03 +0100 |
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committer | Cédric Le Goater <clg@kaod.org> | 2022-01-28 13:15:03 +0100 |
commit | 63f38cc3d228a0886b544e9a069b922b4416d29d (patch) | |
tree | 719b546cd7fb871a83ec6e10acb163175735abd2 /target/ppc/helper_regs.c | |
parent | 1977434bbfbdd97d28c2fea071ea00bf4ecd0079 (diff) | |
download | qemu-63f38cc3d228a0886b544e9a069b922b4416d29d.zip qemu-63f38cc3d228a0886b544e9a069b922b4416d29d.tar.gz qemu-63f38cc3d228a0886b544e9a069b922b4416d29d.tar.bz2 |
target/ppc: Fix test on mmu_model in hreg_compute_hflags_value()
POWERPC_MMU_BOOKE is not a mask and should not be tested with a
bitwise AND operator.
It went unnoticed because it only impacts the 601 CPU implementation
for which we don't have a known firmware image.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20220124081609.3672341-1-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'target/ppc/helper_regs.c')
-rw-r--r-- | target/ppc/helper_regs.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c index 7dca585..5b12cb0 100644 --- a/target/ppc/helper_regs.c +++ b/target/ppc/helper_regs.c @@ -156,7 +156,8 @@ static uint32_t hreg_compute_hflags_value(CPUPPCState *env) */ unsigned immu_idx, dmmu_idx; dmmu_idx = msr & (1 << MSR_PR) ? 0 : 1; - if (env->mmu_model & POWERPC_MMU_BOOKE) { + if (env->mmu_model == POWERPC_MMU_BOOKE || + env->mmu_model == POWERPC_MMU_BOOKE206) { dmmu_idx |= msr & (1 << MSR_GS) ? 4 : 0; immu_idx = dmmu_idx; immu_idx |= msr & (1 << MSR_IS) ? 2 : 0; @@ -237,7 +238,8 @@ int hreg_store_msr(CPUPPCState *env, target_ulong value, int alter_hv) ((value >> MSR_DR) & 1) != msr_dr) { cpu_interrupt_exittb(cs); } - if ((env->mmu_model & POWERPC_MMU_BOOKE) && + if ((env->mmu_model == POWERPC_MMU_BOOKE || + env->mmu_model == POWERPC_MMU_BOOKE206) && ((value >> MSR_GS) & 1) != msr_gs) { cpu_interrupt_exittb(cs); } |