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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-385df74157asm16690526f8f.0.2024.12.04.12.26.36 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 04 Dec 2024 12:26:37 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-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=20Mathieu-Daud=C3=A9?= Subject: [PATCH 06/20] target/sparc: Implement CPUClass::datapath_is_big_endian Date: Wed, 4 Dec 2024 21:25:48 +0100 Message-ID: <20241204202602.58083-7-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 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::432; envelope-from=philmd@linaro.org; helo=mail-wr1-x432.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 While the SPARC data endianness can be changed at runtime, we do not implement that; only big endianness is used. Signed-off-by: Philippe Mathieu-Daudé --- target/sparc/cpu.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c index dd7af86de73..de0386dbf64 100644 --- a/target/sparc/cpu.c +++ b/target/sparc/cpu.c @@ -688,6 +688,20 @@ static void sparc_cpu_dump_state(CPUState *cs, FILE *f, int flags) qemu_fprintf(f, "\n"); } +static bool sparc_cpu_datapath_is_big_endian(CPUState *cs) +{ +#if defined(TARGET_SPARC64) + /* + * SPARCv9 has a couple of PSTATE bits that set the endianness: + * Current Little Endian (PS_CLE) and Trap Little Endian (PS_TLE). + * We don't implement that yet. + */ + return true; +#else + return true; +#endif +} + static void sparc_cpu_set_pc(CPUState *cs, vaddr value) { SPARCCPU *cpu = SPARC_CPU(cs); @@ -958,6 +972,7 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data) cc->class_by_name = sparc_cpu_class_by_name; cc->parse_features = sparc_cpu_parse_features; + cc->datapath_is_big_endian = sparc_cpu_datapath_is_big_endian; cc->has_work = sparc_cpu_has_work; cc->mmu_index = sparc_cpu_mmu_index; cc->dump_state = sparc_cpu_dump_state; -- 2.45.2