diff options
| author | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2018-05-15 23:44:28 +0200 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2018-05-29 09:35:15 +0200 |
| commit | d10367e035eab12c77b83b5985915ff7f003de1f (patch) | |
| tree | ea9d4516c5827f69b94850f18ddc17ccb72c5e10 /target/microblaze | |
| parent | 923ce2e6af7f8228d2ccb3ff272ea0fad855618c (diff) | |
target-microblaze: Consolidate MMU enabled checks
Consolidate MMU enabled checks to cpu_mmu_index().
No functional changes.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Diffstat (limited to 'target/microblaze')
| -rw-r--r-- | target/microblaze/cpu.h | 4 | ||||
| -rw-r--r-- | target/microblaze/helper.c | 6 |
2 files changed, 6 insertions, 4 deletions
diff --git a/target/microblaze/cpu.h b/target/microblaze/cpu.h index c77ca2d8f9..3c4e0ba80a 100644 --- a/target/microblaze/cpu.h +++ b/target/microblaze/cpu.h @@ -360,8 +360,10 @@ int cpu_mb_signal_handler(int host_signum, void *pinfo, static inline int cpu_mmu_index (CPUMBState *env, bool ifetch) { + MicroBlazeCPU *cpu = mb_env_get_cpu(env); + /* Are we in nommu mode?. */ - if (!(env->sregs[SR_MSR] & MSR_VM)) { + if (!(env->sregs[SR_MSR] & MSR_VM) || !cpu->cfg.use_mmu) { return MMU_NOMMU_IDX; } diff --git a/target/microblaze/helper.c b/target/microblaze/helper.c index 985bdae8d1..bc753793ec 100644 --- a/target/microblaze/helper.c +++ b/target/microblaze/helper.c @@ -58,8 +58,7 @@ int mb_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw, int prot; /* Translate if the MMU is available and enabled. */ - if (cpu->cfg.use_mmu && (env->sregs[SR_MSR] & MSR_VM) - && mmu_idx != MMU_NOMMU_IDX) { + if (mmu_idx != MMU_NOMMU_IDX) { uint32_t vaddr, paddr; struct microblaze_mmu_lookup lu; @@ -270,9 +269,10 @@ hwaddr mb_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) CPUMBState *env = &cpu->env; target_ulong vaddr, paddr = 0; struct microblaze_mmu_lookup lu; + int mmu_idx = cpu_mmu_index(env, false); unsigned int hit; - if (env->sregs[SR_MSR] & MSR_VM) { + if (mmu_idx != MMU_NOMMU_IDX) { hit = mmu_translate(&env->mmu, &lu, addr, 0, 0); if (hit) { vaddr = addr & TARGET_PAGE_MASK; |