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[174.21.76.141]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70803ecf764sm2170b3a.106.2024.06.27.11.03.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jun 2024 11:03:53 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: brad@comstyle.com, Alistair.Francis@wdc.com, palmer@dabbelt.com, qemu-riscv@nongnu.org Subject: [PATCH 2/3] util/cpuinfo-riscv: Support OpenBSD signal frame Date: Thu, 27 Jun 2024 11:03:49 -0700 Message-Id: <20240627180350.128575-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240627180350.128575-1-richard.henderson@linaro.org> References: <20240627180350.128575-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::533; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x533.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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 Reported-by: Brad Smith Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Acked-by: Daniel Henrique Barboza Acked-by: Alistair Francis --- util/cpuinfo-riscv.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/util/cpuinfo-riscv.c b/util/cpuinfo-riscv.c index 6b97100620..abf799794f 100644 --- a/util/cpuinfo-riscv.c +++ b/util/cpuinfo-riscv.c @@ -13,7 +13,14 @@ static void sigill_handler(int signo, siginfo_t *si, void *data) { /* Skip the faulty instruction */ ucontext_t *uc = (ucontext_t *)data; + +#ifdef __linux__ uc->uc_mcontext.__gregs[REG_PC] += 4; +#elif defined(__OpenBSD__) + uc->sc_sepc += 4; +#else +# error Unsupported OS +#endif got_sigill = 1; }