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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id v4sm3508528ilq.57.2021.11.04.20.20.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Nov 2021 20:20:01 -0700 (PDT) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH v4 16/36] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs Date: Thu, 4 Nov 2021 21:18:57 -0600 Message-Id: <20211105031917.87837-17-imp@bsdimp.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105031917.87837-1-imp@bsdimp.com> References: <20211105031917.87837-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=2607:f8b0:4864:20::d36; envelope-from=imp@bsdimp.com; helo=mail-io1-xd36.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=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: , Cc: Stacey Son , qemu-trivial@nongnu.org, Michael Tokarev , Richard Henderson , Philippe Mathieu-Daude , Laurent Vivier , Kyle Evans , Warner Losh Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Implement target_cpu_clone_regs to clone the resister state on a fork. Signed-off-by: Stacey Son Signed-off-by: Warner Losh Reviewed-by: Kyle Evans Reviewed-by: Richard Henderson --- bsd-user/arm/target_arch_cpu.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h index 66215684d6..fa45d9335d 100644 --- a/bsd-user/arm/target_arch_cpu.h +++ b/bsd-user/arm/target_arch_cpu.h @@ -36,6 +36,14 @@ static inline void target_cpu_init(CPUARMState *env, } } +static inline void target_cpu_clone_regs(CPUARMState *env, target_ulong newsp) +{ + if (newsp) { + env->regs[13] = newsp; + } + env->regs[0] = 0; +} + static inline void target_cpu_reset(CPUArchState *cpu) { } -- 2.33.0