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[83.57.175.68]) by smtp.gmail.com with ESMTPSA id d85sm7280009wmd.15.2021.03.03.13.49.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Mar 2021 13:49:15 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v4 23/28] target/i386: Restrict watchpoint code to system emulation Date: Wed, 3 Mar 2021 22:47:03 +0100 Message-Id: <20210303214708.1727801-24-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210303214708.1727801-1-f4bug@amsat.org> References: <20210303214708.1727801-1-f4bug@amsat.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42f; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x42f.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: Peter Maydell , Thomas Huth , Eduardo Habkost , Cornelia Huck , Richard Henderson , Laurent Vivier , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , qemu-s390x@nongnu.org, qemu-arm@nongnu.org, qemu-ppc@nongnu.org, Claudio Fontana , Paolo Bonzini , =?utf-8?q?Alex_Benn=C3=A9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We can not use watchpoints in user-mode emulation because we need the softmmu slow path to detect accesses to watchpointed memory. Add #ifdef'ry around it. Signed-off-by: Philippe Mathieu-Daudé --- target/i386/cpu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 994d58aa754..4b8f06f6193 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6182,7 +6182,6 @@ static void x86_cpu_reset(DeviceState *dev) env->dr[6] = DR6_FIXED_1; env->dr[7] = DR7_FIXED_1; cpu_breakpoint_remove_all(s, BP_CPU); - cpu_watchpoint_remove_all(s, BP_CPU); cr4 = 0; xcr0 = XSTATE_FP_MASK; @@ -6205,6 +6204,8 @@ static void x86_cpu_reset(DeviceState *dev) if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE) { cr4 |= CR4_FSGSBASE_MASK; } +#else + cpu_watchpoint_remove_all(s, BP_CPU); #endif env->xcr0 = xcr0;