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| author | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2018-04-13 22:16:57 +0200 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2018-05-29 09:35:13 +0200 |
| commit | a2de5ca451354155a0d6a9b098cbdd44eabb2da5 (patch) | |
| tree | aa306d8eca024ac59c0c97f2dca5b9ac9a82c9c9 | |
| parent | 9e50a927b4e2e724849f6ec19fa55fe40e13d174 (diff) | |
| download | focaccia-qemu-a2de5ca451354155a0d6a9b098cbdd44eabb2da5.tar.gz focaccia-qemu-a2de5ca451354155a0d6a9b098cbdd44eabb2da5.zip | |
target-microblaze: Bypass MMU with MMU_NOMMU_IDX
Bypass MMU translation when mmu-index MMU_NOMMU_IDX is used. 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>
| -rw-r--r-- | target/microblaze/helper.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/target/microblaze/helper.c b/target/microblaze/helper.c index a9f4ca93e3..261dcc74c7 100644 --- a/target/microblaze/helper.c +++ b/target/microblaze/helper.c @@ -58,7 +58,8 @@ 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)) { + if (cpu->cfg.use_mmu && (env->sregs[SR_MSR] & MSR_VM) + && mmu_idx != MMU_NOMMU_IDX) { uint32_t vaddr, paddr; struct microblaze_mmu_lookup lu; |