From a2207b593b6d7e164e6d4a587aec4cd885a8e855 Mon Sep 17 00:00:00 2001 From: "Edgar E. Iglesias" Date: Sun, 15 Apr 2018 23:18:49 +0200 Subject: [PATCH] target-microblaze: mmu: Add R_TBLX_MISS macros Add a R_TBLX_MISS MASK and SHIFT macros. Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson Signed-off-by: Edgar E. Iglesias --- target/microblaze/mmu.c | 5 +++-- target/microblaze/mmu.h | 4 ++++ 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/target/microblaze/mmu.c b/target/microblaze/mmu.c index 0019ebd18f..f4a4c339c9 100644 --- a/target/microblaze/mmu.c +++ b/target/microblaze/mmu.c @@ -292,8 +292,9 @@ void mmu_write(CPUMBState *env, uint32_t rn, uint32_t v) v & TLB_EPN_MASK, 0, cpu_mmu_index(env, false)); if (hit) { env->mmu.regs[MMU_R_TLBX] = lu.idx; - } else - env->mmu.regs[MMU_R_TLBX] |= 0x80000000; + } else { + env->mmu.regs[MMU_R_TLBX] |= R_TBLX_MISS_MASK; + } break; } default: diff --git a/target/microblaze/mmu.h b/target/microblaze/mmu.h index 3b7a9983d5..113539c6e9 100644 --- a/target/microblaze/mmu.h +++ b/target/microblaze/mmu.h @@ -54,6 +54,10 @@ #define TLB_M 0x00000002 /* Memory is coherent */ #define TLB_G 0x00000001 /* Memory is guarded from prefetch */ +/* TLBX */ +#define R_TBLX_MISS_SHIFT 31 +#define R_TBLX_MISS_MASK (1U << R_TBLX_MISS_SHIFT) + #define TLB_ENTRIES 64 struct microblaze_mmu