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[216.228.167.147]) by smtp.gmail.com with ESMTPSA id k4sm16074pgr.87.2020.08.25.14.00.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Aug 2020 14:00:55 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 51/77] target/microblaze: Cache mem_index in DisasContext Date: Tue, 25 Aug 2020 13:59:24 -0700 Message-Id: <20200825205950.730499-52-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200825205950.730499-1-richard.henderson@linaro.org> References: <20200825205950.730499-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::544; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x544.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: edgar.iglesias@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Ideally, nothing outside the top-level of translation even has access to env. Cache the value in init_disas_context. Signed-off-by: Richard Henderson --- target/microblaze/translate.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index cb490488a6..8a251b35d9 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -73,6 +73,7 @@ typedef struct DisasContext { unsigned int delayed_branch; unsigned int tb_flags, synced_flags; /* tb dependent flags. */ unsigned int clear_imm; + int mem_index; #define JMP_NOJMP 0 #define JMP_DIRECT 1 @@ -175,8 +176,7 @@ static bool trap_illegal(DisasContext *dc, bool cond) */ static bool trap_userspace(DisasContext *dc, bool cond) { - int mem_index = cpu_mmu_index(&dc->cpu->env, false); - bool cond_user = cond && mem_index == MMU_USER_IDX; + bool cond_user = cond && dc->mem_index == MMU_USER_IDX; if (cond_user && (dc->tb_flags & MSR_EE)) { gen_raise_hw_excp(dc, ESR_EC_PRIVINSN); @@ -954,7 +954,7 @@ static void dec_load(DisasContext *dc) TCGv addr; unsigned int size; bool rev = false, ex = false, ea = false; - int mem_index = cpu_mmu_index(&dc->cpu->env, false); + int mem_index = dc->mem_index; MemOp mop; mop = dc->opcode & 3; @@ -1063,7 +1063,7 @@ static void dec_store(DisasContext *dc) TCGLabel *swx_skip = NULL; unsigned int size; bool rev = false, ex = false, ea = false; - int mem_index = cpu_mmu_index(&dc->cpu->env, false); + int mem_index = dc->mem_index; MemOp mop; mop = dc->opcode & 3; @@ -1532,6 +1532,7 @@ static void mb_tr_init_disas_context(DisasContextBase *dcb, CPUState *cs) dc->ext_imm = dc->base.tb->cs_base; dc->r0 = NULL; dc->r0_set = false; + dc->mem_index = cpu_mmu_index(&cpu->env, false); bound = -(dc->base.pc_first | TARGET_PAGE_MASK) / 4; dc->base.max_insns = MIN(dc->base.max_insns, bound); -- 2.25.1