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Iglesias" , qemu-ppc@nongnu.org, Marcel Apfelbaum , Aleksandar Rikalo , Daniel Henrique Barboza , =?utf-8?q?Philippe_Mathieu?= =?utf-8?q?-Daud=C3=A9?= , Nicholas Piggin , qemu-arm@nongnu.org, Zhao Liu , Peter Maydell , Jiaxun Yang Subject: [PATCH 2/8] hw/core/cpu: Introduce CPUClass::is_big_endian() handler Date: Fri, 4 Oct 2024 13:21:12 -0300 Message-ID: <20241004162118.84570-3-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241004162118.84570-1-philmd@linaro.org> References: <20241004162118.84570-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::22d; envelope-from=philmd@linaro.org; helo=mail-lj1-x22d.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Introduce the CPUClass::is_big_endian() handler and its common default. Signed-off-by: Philippe Mathieu-Daudé --- include/hw/core/cpu.h | 3 ++- hw/core/cpu-common.c | 7 +++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 04e9ad49968..22ef7a44e86 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -150,6 +150,7 @@ struct CPUClass { ObjectClass *(*class_by_name)(const char *cpu_model); void (*parse_features)(const char *typename, char *str, Error **errp); + bool (*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, @@ -749,7 +750,7 @@ 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: diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c index 7982ecd39a5..aa5ea9761e4 100644 --- a/hw/core/cpu-common.c +++ b/hw/core/cpu-common.c @@ -26,6 +26,7 @@ #include "qemu/main-loop.h" #include "exec/log.h" #include "exec/gdbstub.h" +#include "exec/tswap.h" #include "sysemu/tcg.h" #include "hw/boards.h" #include "hw/qdev-properties.h" @@ -138,6 +139,11 @@ static void cpu_common_reset_hold(Object *obj, ResetType type) cpu_exec_reset_hold(cpu); } +static bool cpu_common_is_big_endian(CPUState *cs) +{ + return target_words_bigendian(); +} + static bool cpu_common_has_work(CPUState *cs) { return false; @@ -306,6 +312,7 @@ static void cpu_common_class_init(ObjectClass *klass, void *data) k->parse_features = cpu_common_parse_features; k->get_arch_id = cpu_common_get_arch_id; + k->is_big_endian = cpu_common_is_big_endian; k->has_work = cpu_common_has_work; k->gdb_read_register = cpu_common_gdb_read_register; k->gdb_write_register = cpu_common_gdb_write_register;