diff options
| author | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2018-04-16 19:37:16 +0200 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2018-05-29 09:35:14 +0200 |
| commit | 3924a9aa02fa00a256ddcfe2d6a08bc410ddcaaf (patch) | |
| tree | 5a197ba6ad44c14012742a136e89af2c62efb488 | |
| parent | d2f004c3cdcb786303057683252112c3ff7b337e (diff) | |
target-microblaze: mmu: Add a configurable output address mask
Add a configurable output address mask, used to mimic the
configurable physical address bit width.
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/cpu.c | 1 | ||||
| -rw-r--r-- | target/microblaze/mmu.c | 1 | ||||
| -rw-r--r-- | target/microblaze/mmu.h | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c index 6ee15ac800..71fc8d09fe 100644 --- a/target/microblaze/cpu.c +++ b/target/microblaze/cpu.c @@ -128,6 +128,7 @@ static void mb_cpu_reset(CPUState *s) env->mmu.c_mmu = 3; env->mmu.c_mmu_tlb_access = 3; env->mmu.c_mmu_zones = 16; + env->mmu.c_addr_mask = MAKE_64BIT_MASK(0, cpu->cfg.addr_size); #endif } diff --git a/target/microblaze/mmu.c b/target/microblaze/mmu.c index a379968618..166c79908c 100644 --- a/target/microblaze/mmu.c +++ b/target/microblaze/mmu.c @@ -164,6 +164,7 @@ unsigned int mmu_translate(struct microblaze_mmu *mmu, tlb_rpn = d & TLB_RPN_MASK; lu->vaddr = tlb_tag; + lu->paddr = tlb_rpn & mmu->c_addr_mask; lu->paddr = tlb_rpn; lu->size = tlb_size; lu->err = ERR_HIT; diff --git a/target/microblaze/mmu.h b/target/microblaze/mmu.h index 1714caf82e..9fbdf38f36 100644 --- a/target/microblaze/mmu.h +++ b/target/microblaze/mmu.h @@ -72,6 +72,7 @@ struct microblaze_mmu int c_mmu; int c_mmu_tlb_access; int c_mmu_zones; + uint64_t c_addr_mask; /* Mask to apply to physical addresses. */ }; struct microblaze_mmu_lookup |