From 3924a9aa02fa00a256ddcfe2d6a08bc410ddcaaf Mon Sep 17 00:00:00 2001 From: "Edgar E. Iglesias" Date: Mon, 16 Apr 2018 19:37:16 +0200 Subject: 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 Reviewed-by: Richard Henderson Signed-off-by: Edgar E. Iglesias --- target/microblaze/cpu.c | 1 + target/microblaze/mmu.c | 1 + target/microblaze/mmu.h | 1 + 3 files changed, 3 insertions(+) (limited to 'target/microblaze') diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c index 6ee15ac..71fc8d0 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 a379968..166c799 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 1714caf..9fbdf38 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 -- cgit v1.1