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Wed, 30 Jun 2021 11:32:29 -0700 (PDT) Received: from localhost.localdomain ([71.212.149.176]) by smtp.gmail.com with ESMTPSA id m18sm23909517pff.88.2021.06.30.11.32.29 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Jun 2021 11:32:29 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 03/28] target/alpha: Remove in_superpage Date: Wed, 30 Jun 2021 11:32:01 -0700 Message-Id: <20210630183226.3290849-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210630183226.3290849-1-richard.henderson@linaro.org> References: <20210630183226.3290849-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1029; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1029.google.com 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The number of links across (normal) pages using this is low, and it will shortly violate the contract for breakpoints. Signed-off-by: Richard Henderson --- target/alpha/translate.c | 24 ++---------------------- 1 file changed, 2 insertions(+), 22 deletions(-) diff --git a/target/alpha/translate.c b/target/alpha/translate.c index aaedf78116..8fa00a79d1 100644 --- a/target/alpha/translate.c +++ b/target/alpha/translate.c @@ -439,24 +439,9 @@ static DisasJumpType gen_store_conditional(DisasContext *ctx, int ra, int rb, return DISAS_NEXT; } -static bool in_superpage(DisasContext *ctx, int64_t addr) -{ -#ifndef CONFIG_USER_ONLY - return ((ctx->tbflags & ENV_FLAG_PS_USER) == 0 - && addr >> TARGET_VIRT_ADDR_SPACE_BITS == -1 - && ((addr >> 41) & 3) == 2); -#else - return false; -#endif -} - static bool use_goto_tb(DisasContext *ctx, uint64_t dest) { #ifndef CONFIG_USER_ONLY - /* If the destination is in the superpage, the page perms can't change. */ - if (in_superpage(ctx, dest)) { - return true; - } /* Check for the dest on the same page as the start of the TB. */ return ((ctx->base.tb->pc ^ dest) & TARGET_PAGE_MASK) == 0; #else @@ -2991,7 +2976,7 @@ static void alpha_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu) { DisasContext *ctx = container_of(dcbase, DisasContext, base); CPUAlphaState *env = cpu->env_ptr; - int64_t bound, mask; + int64_t bound; ctx->tbflags = ctx->base.tb->flags; ctx->mem_idx = cpu_mmu_index(env, false); @@ -3020,12 +3005,7 @@ static void alpha_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu) ctx->lit = NULL; /* Bound the number of insns to execute to those left on the page. */ - if (in_superpage(ctx, ctx->base.pc_first)) { - mask = -1ULL << 41; - } else { - mask = TARGET_PAGE_MASK; - } - bound = -(ctx->base.pc_first | mask) / 4; + bound = -(ctx->base.pc_first | TARGET_PAGE_MASK) / 4; ctx->base.max_insns = MIN(ctx->base.max_insns, bound); } -- 2.25.1