Commit 3924a9aa authored by Edgar E. Iglesias's avatar Edgar E. Iglesias
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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: default avatarAlistair Francis <alistair.francis@wdc.com>
Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
parent d2f004c3

target/microblaze/cpu.c

+1 −0
Original line number Diff line number Diff line
@@ -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

}

target/microblaze/mmu.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

target/microblaze/mmu.h

+1 −0
Original line number Diff line number Diff line
@@ -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