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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id x15sm876909iob.8.2021.11.07.19.52.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Nov 2021 19:52:25 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH v5 17/37] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs Date: Sun, 7 Nov 2021 20:51:16 -0700 Message-Id: <20211108035136.43687-18-imp@bsdimp.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211108035136.43687-1-imp@bsdimp.com> References: <20211108035136.43687-1-imp@bsdimp.com> MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::12b (failed) Received-SPF: none client-ip=2607:f8b0:4864:20::12b; envelope-from=imp@bsdimp.com; helo=mail-il1-x12b.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=no 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, Kyle Evans , Michael Tokarev , Laurent Vivier , Philippe Mathieu-Daude , Richard Henderson , 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) { }