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Fri, 23 Aug 2024 21:56:55 -0700 (PDT) Received: from localhost.localdomain ([220.253.126.131]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7143422ecedsm3805934b3a.25.2024.08.23.21.56.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Aug 2024 21:56:54 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Mark Corbin , Ajeet Singh , Richard Henderson Subject: [PATCH v3 03/17] bsd-user: Implement RISC-V CPU register cloning and reset functions Date: Sat, 24 Aug 2024 14:56:21 +1000 Message-Id: <20240824045635.8978-4-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240824045635.8978-1-itachis@FreeBSD.org> References: <20240824045635.8978-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::c36; envelope-from=itachis6234@gmail.com; helo=mail-oo1-xc36.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, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Mark Corbin Added functions for cloning CPU registers and resetting the CPU state for RISC-V architecture. Signed-off-by: Mark Corbin Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/riscv/target_arch_cpu.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/bsd-user/riscv/target_arch_cpu.h b/bsd-user/riscv/target_arch_cpu.h index eb37b062a3..522cfc099b 100644 --- a/bsd-user/riscv/target_arch_cpu.h +++ b/bsd-user/riscv/target_arch_cpu.h @@ -130,4 +130,18 @@ static inline void target_cpu_loop(CPURISCVState *env) } } +static inline void target_cpu_clone_regs(CPURISCVState *env, target_ulong newsp) +{ + if (newsp) { + env->gpr[xSP] = newsp; + } + + env->gpr[xA0] = 0; /* a0 */ + env->gpr[xT0] = 0; /* t0 */ +} + +static inline void target_cpu_reset(CPUArchState *env) +{ +} + #endif /* TARGET_ARCH_CPU_H */