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[95.127.63.101]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a6d0f10502sm2671566f8f.18.2025.06.20.10.33.09 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 20 Jun 2025 10:33:11 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Alexander Graf , =?utf-8?q?Alex_Benn=C3=A9e?= , Richard Henderson , Paolo Bonzini , Peter Maydell , Julian Armistead , Cameron Esfahani , Mark Burton , Thomas Huth , "Edgar E. Iglesias" , Pierrick Bouvier , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= Subject: [RFC PATCH RESEND 37/42] accel/hvf: Emulate HVC at EL2 Date: Fri, 20 Jun 2025 19:27:45 +0200 Message-ID: <20250620172751.94231-38-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250620172751.94231-1-philmd@linaro.org> References: <20250620172751.94231-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32f; envelope-from=philmd@linaro.org; helo=mail-wm1-x32f.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Signed-off-by: Philippe Mathieu-Daudé --- target/arm/hvf/hvf.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index 3907ea8791e..a4f823f834d 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -17,6 +17,7 @@ #include "system/hvf.h" #include "system/hvf_int.h" #include "system/hw_accel.h" +#include "system/tcg.h" #include "hvf_arm.h" #include "cpregs.h" @@ -1117,6 +1118,8 @@ static void hvf_raise_exception(CPUState *cpu, uint32_t excp, env->exception.syndrome = syndrome; arm_cpu_do_interrupt(cpu); + cpu->interrupt_request &= ~CPU_INTERRUPT_EXITTB; + cpu->exception_index = -1; } static void hvf_psci_cpu_off(ARMCPU *arm_cpu) @@ -2090,6 +2093,9 @@ int hvf_vcpu_exec(CPUState *cpu) /* SMCCC 1.3 section 5.2 says every unknown SMCCC call returns -1 */ env->xregs[0] = -1; } + } else if (tcg_enabled()) { + /* FIXME check we are called from EL1 (so EL0 -> UDEF) ? */ + hvf_raise_exception(cpu, EXCP_HVC, syn_aa64_hvc(0), 2); } else { trace_hvf_unknown_hvc(env->pc, env->xregs[0]); hvf_raise_exception(cpu, EXCP_UDEF, syn_uncategorized(), 1);