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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-385faec0c9dsm6672009f8f.20.2024.12.04.12.26.16 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 04 Dec 2024 12:26:17 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Daniel Henrique Barboza , "Michael S. Tsirkin" , Peter Maydell , Laurent Vivier , Mark Cave-Ayland , Alistair Francis , Anton Johansson , Zhao Liu , "Edgar E. Iglesias" , David Hildenbrand , qemu-s390x@nongnu.org, Max Filippov , Paolo Bonzini , Nicholas Piggin , qemu-arm@nongnu.org, Thomas Huth , qemu-riscv@nongnu.org, Alistair Francis , qemu-ppc@nongnu.org, Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= Subject: [PATCH 02/20] hw/core/cpu: Introduce CPUClass::datapath_is_big_endian() handler Date: Wed, 4 Dec 2024 21:25:44 +0100 Message-ID: <20241204202602.58083-3-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241204202602.58083-1-philmd@linaro.org> References: <20241204202602.58083-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=philmd@linaro.org; helo=mail-wm1-x336.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=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 Introduce the CPUClass::datapath_is_big_endian() handler, which returns whether a vCPU expects data in memory to be in big endian order or not. Signed-off-by: Philippe Mathieu-Daudé --- include/hw/core/cpu.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index c3ca0babcb3..91c6581f814 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -105,6 +105,8 @@ struct SysemuCPUOps; * @parse_features: Callback to parse command line arguments. * @reset_dump_flags: #CPUDumpFlags to use for reset logging. * @has_work: Callback for checking if there is work to do. + * @datapath_is_big_endian: Callback returning whether the vCPU expects + * memory data in big endian order. * @mmu_index: Callback for choosing softmmu mmu index; * may be used internally by memory_rw_debug without TCG. * @memory_rw_debug: Callback for GDB memory access. @@ -151,6 +153,7 @@ struct CPUClass { ObjectClass *(*class_by_name)(const char *cpu_model); void (*parse_features)(const char *typename, char *str, Error **errp); + bool (*datapath_is_big_endian)(CPUState *cpu); bool (*has_work)(CPUState *cpu); int (*mmu_index)(CPUState *cpu, bool ifetch); int (*memory_rw_debug)(CPUState *cpu, vaddr addr, @@ -750,7 +753,7 @@ int cpu_asidx_from_attrs(CPUState *cpu, MemTxAttrs attrs); */ bool cpu_virtio_is_big_endian(CPUState *cpu); -#endif /* CONFIG_USER_ONLY */ +#endif /* !CONFIG_USER_ONLY */ /** * cpu_list_add: