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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id u4-20020a5d5144000000b00220606afdf4sm8009162wrt.43.2022.08.15.12.03.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Aug 2022 12:03:16 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Jiaxun Yang , Aleksandar Rikalo , Stefan Pejic , Chris Wulff , Marek Vasut , Palmer Dabbelt , Alistair Francis , Bin Meng , Max Filippov , Richard Henderson , Furquan Shaikh Subject: [PATCH 6/7] target/xtensa: Honour -semihosting-config userspace=on Date: Mon, 15 Aug 2022 20:03:02 +0100 Message-Id: <20220815190303.2061559-7-peter.maydell@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220815190303.2061559-1-peter.maydell@linaro.org> References: <20220815190303.2061559-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::432; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x432.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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" Honour the commandline -semihosting-config userspace=on option, instead of always permitting userspace semihosting calls in system emulation mode, by passing the correct value to the is_userspace argument of semihosting_enabled(). Note that this is a behaviour change: if the user wants to do semihosting calls from userspace they must now specifically enable them on the command line. xtensa semihosting is not implemented for linux-user builds. Signed-off-by: Peter Maydell --- target/xtensa/translate.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c index dc475a4274b..43d55989349 100644 --- a/target/xtensa/translate.c +++ b/target/xtensa/translate.c @@ -2360,13 +2360,14 @@ static uint32_t test_exceptions_simcall(DisasContext *dc, const OpcodeArg arg[], const uint32_t par[]) { + bool is_semi = semihosting_enabled(dc->cring != 0); #ifdef CONFIG_USER_ONLY bool ill = true; #else /* Between RE.2 and RE.3 simcall opcode's become nop for the hardware. */ - bool ill = dc->config->hw_version <= 250002 && !semihosting_enabled(false); + bool ill = dc->config->hw_version <= 250002 && !is_semi; #endif - if (ill || !semihosting_enabled(false)) { + if (ill || !is_semi) { qemu_log_mask(LOG_GUEST_ERROR, "SIMCALL but semihosting is disabled\n"); } return ill ? XTENSA_OP_ILL : 0; @@ -2376,7 +2377,7 @@ static void translate_simcall(DisasContext *dc, const OpcodeArg arg[], const uint32_t par[]) { #ifndef CONFIG_USER_ONLY - if (semihosting_enabled(false)) { + if (semihosting_enabled(dc->cring != 0)) { gen_helper_simcall(cpu_env); } #endif -- 2.25.1