{"id":2198322,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2198322/?format=json","project":{"id":69,"url":"http://patchwork.ozlabs.org/api/1.0/projects/69/?format=json","name":"QEMU powerpc development","link_name":"qemu-ppc","list_id":"qemu-ppc.nongnu.org","list_email":"qemu-ppc@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260219191955.83815-25-philmd@linaro.org>","date":"2026-02-19T19:19:26","name":"[v2,24/50] target/sparc: Factor sparc_cpu_gdb_write_register() out","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"faf122cb337cebaf981ae081bbe8a3462b1266ac","submitter":{"id":85046,"url":"http://patchwork.ozlabs.org/api/1.0/people/85046/?format=json","name":"Philippe Mathieu-Daudé","email":"philmd@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-ppc/patch/20260219191955.83815-25-philmd@linaro.org/mbox/","series":[{"id":492714,"url":"http://patchwork.ozlabs.org/api/1.0/series/492714/?format=json","date":"2026-02-19T19:19:04","name":"gdbstub: Build once on various targets (single-binary)","version":2,"mbox":"http://patchwork.ozlabs.org/series/492714/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2198322/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=DtKQqISS;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=UTF-8","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::32c;\n envelope-from=philmd@linaro.org; helo=mail-wm1-x32c.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-ppc@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Factor sparc_cpu_gdb_write_register() out.\n\nPrefer ldn_p(target_long_bits/8) over target-specific ldtul_p().\n\nSigned-off-by: Philippe Mathieu-Daudé \n---\n target/sparc/gdbstub.c | 27 +++++++++++++--------------\n 1 file changed, 13 insertions(+), 14 deletions(-)","diff":"diff --git a/target/sparc/gdbstub.c b/target/sparc/gdbstub.c\nindex ed52e521dcc..d19819cd1a9 100644\n--- a/target/sparc/gdbstub.c\n+++ b/target/sparc/gdbstub.c\n@@ -124,19 +124,22 @@ static int sparc_cp0_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)\n return 0;\n }\n \n+static unsigned sparc_gdb_register_bytes(void)\n+{\n+#ifdef CONFIG_USER_ONLY\n+# if defined(TARGET_ABI32)\n+ return 4;\n+# endif\n+#endif\n+ return target_long_bits() / 8;\n+}\n+\n int sparc_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)\n {\n SPARCCPU *cpu = SPARC_CPU(cs);\n CPUSPARCState *env = &cpu->env;\n-#if defined(TARGET_ABI32)\n- uint32_t tmp;\n-\n- tmp = ldl_p(mem_buf);\n-#else\n- target_ulong tmp;\n-\n- tmp = ldtul_p(mem_buf);\n-#endif\n+ const unsigned regsz = sparc_gdb_register_bytes();\n+ uint64_t tmp = ldn_p(mem_buf, regsz);\n \n if (n < 8) {\n /* g0..g7 */\n@@ -145,11 +148,7 @@ int sparc_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)\n /* register window */\n env->regwptr[n - 8] = tmp;\n }\n-#if defined(TARGET_ABI32) || !defined(TARGET_SPARC64)\n- return 4;\n-#else\n- return 8;\n-#endif\n+ return regsz;\n }\n \n static int sparc_fpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)\n","prefixes":["v2","24/50"]}