{"id":2198310,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2198310/?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":"<20260219191955.83815-12-philmd@linaro.org>","date":"2026-02-19T19:19:13","name":"[v2,11/50] target/sparc: Restore 'gdb-xml/sparc64-cp0.xml'","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f396a6e17b5f5f1425ebeafd6d73a8e7deca2f7a","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/20260219191955.83815-12-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/2198310/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=m60eqvKZ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fH3Ff16L7z1xpl\n\tfor ; Fri, 20 Feb 2026 06:23:34 +1100 (AEDT)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1vt9aW-0001N2-52; Thu, 19 Feb 2026 14:21:24 -0500","from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from ) id 1vt9aT-0001Kp-NK\n for qemu-ppc@nongnu.org; Thu, 19 Feb 2026 14:21:21 -0500","from mail-wr1-x436.google.com ([2a00:1450:4864:20::436])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from ) id 1vt9aR-0007yk-Dr\n for qemu-ppc@nongnu.org; Thu, 19 Feb 2026 14:21:21 -0500","by mail-wr1-x436.google.com with SMTP id\n ffacd0b85a97d-4359108fd24so847916f8f.2\n for ; Thu, 19 Feb 2026 11:21:18 -0800 (PST)","from localhost.localdomain (88-187-86-199.subs.proxad.net.\n [88.187.86.199]) by smtp.gmail.com with ESMTPSA id\n ffacd0b85a97d-43796ac8075sm48226941f8f.29.2026.02.19.11.21.16\n (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256);\n Thu, 19 Feb 2026 11:21:17 -0800 (PST)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1771528878; x=1772133678; darn=nongnu.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:from:to:cc:subject:date\n :message-id:reply-to;\n bh=LIKlp8+QB5QCeuqk3PWtJARa4Zczs3ttig3+XtmneFk=;\n b=m60eqvKZUTml3w78vuEXVdcJGyh3M13+6OkMmLwAMIR2eUJjiXKgieHj0M0ZXl4Dr9\n Zz7dM86Xc80Ad47F0SrjUQ3LKUS7+5fywTaUKgJiEvrU1wY+Z06TEo13y9i2BXTZinSd\n nuhzd868P+l4wdqer4EqoDf46CJaQeAD7K7l5cZ+lN4C6uZGG7gNr5C0LWB79xnB+YQV\n CpcKFPEbFXS7Ko10WLwZOvufCzoV4jBED/rT3JXamrhbI+SZLTdhgeLhH2lHgeItPSzi\n ShThtAPxI/qjmHPUke+//IuoK9Pw8KshiJWTgCVF4btx0B9hK8uG0CjjrQjvkrgkE90E\n X29A==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1771528878; x=1772133678;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n :to:cc:subject:date:message-id:reply-to;\n bh=LIKlp8+QB5QCeuqk3PWtJARa4Zczs3ttig3+XtmneFk=;\n b=O/mtWLyAY2/JQXrW3vxRa0PVpVZOZFkSDrOY9eMVzkDLfUaG5l80KcC7Mz9HvRKNvh\n L60DjjDKjLEzw5eP0sPIiIExSLDCS6nRwKp/bf327ffHKZ1rxHzt6cUkZfDoF6ahd6k0\n p/JIX/mpLlTkF7lOv3CWL7NfbEkPiH8Y4vxFhpbwErvcH6JBmhqUSvKdjdvqU06U9fCp\n Pn2sT5xR5qpgFyggyqEEGnjUjGISElAsrZv77DRyIivLpZoIghJg+kFfmgIs5CK0sZMC\n w4wKc4M8yl78GDcl2L8RjzVmmi3tJGE/1Ea8g8x0E+IESZSucjEzWUdi9e81hLmlTm5T\n p/rw==","X-Forwarded-Encrypted":"i=1;\n AJvYcCVcNef95rdVxcgS8oap0q6UPYsAbaLfeYEqaMkNiJA/rQHX8l+VMQ5BjvhQKx/xl/aHUf9M1xXj2Q==@nongnu.org","X-Gm-Message-State":"AOJu0YxyGOp2shvnEY9QQ0tdCuvWx9fdlvt+NUpcGfgKVHZWSpCqTh6/\n fwGe6lFId0J5GlZw/dTQY+IrH/ryCOLHkR/QMTKZ4a5ZkuLQFUsZHmTi0cWYfeYoneg=","X-Gm-Gg":"AZuq6aLqZvVf6PSqGOgfWyPSSTpOBuXiz3feihPqzmxAEzIYyXV7HME2Wx8d/dy7r4e\n 4FfpVVUkIkmpzAI0gvLvUGF5cn573v46yQBfNSEukiwfMygSuGeukqeTSmYongrDMLh3Ggw/UiS\n EdCsQGmcqKRFf799Li281SCX1msfHKGMBAyNNOKkNMtvvvIGsedO9g8XUHVzZrryL1lY8u9mJC4\n n3VAKD/HH+Xh6j7FoJwwyBImOd9HEyQsKIQFqEcPyYlIMCTnMxypAgh+QwYPMKkmDAAHHcFwzIb\n mlnYFhViKWr3QpmIHi9a9JONUmECiJdsgiQ7IyS/CP0iamxhiMZ/Wh/Ic5loiLFSvolzmgdfKFq\n uuFYa1t5NntLFbolS4anmKqxKp3VnsN0dR4aaljALyRDa9jVqqKw1WZb2q5NPq18wFddgqg9GuR\n 2tPBUxj6YDglZp4ljmib0QUzXP362vJAGabmnKUc0aCnwBUbTUyIbRUG1ZAY+OWS2NcdhDlMTY7\n dVNuqnVJcw=","X-Received":"by 2002:a05:6000:26cc:b0:435:97b4:b699 with SMTP id\n ffacd0b85a97d-4395fd5c362mr6721737f8f.51.1771528877893;\n Thu, 19 Feb 2026 11:21:17 -0800 (PST)","From":"=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= ","To":"qemu-devel@nongnu.org","Cc":"Pierrick Bouvier ,\n Richard Henderson , qemu-s390x@nongnu.org,\n\t=?utf-8?q?Alex_Benn=C3=A9e?= , qemu-riscv@nongnu.org,\n qemu-ppc@nongnu.org,\n =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= ,\n Laurent Vivier ,\n Mark Cave-Ayland ,\n Artyom Tarasenko ","Subject":"[PATCH v2 11/50] target/sparc: Restore 'gdb-xml/sparc64-cp0.xml'","Date":"Thu, 19 Feb 2026 20:19:13 +0100","Message-ID":"<20260219191955.83815-12-philmd@linaro.org>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20260219191955.83815-1-philmd@linaro.org>","References":"<20260219191955.83815-1-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::436;\n envelope-from=philmd@linaro.org; helo=mail-wr1-x436.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":"Restore gdb-xml/sparc64-cp0.xml from mainstream binutils, tag\n'binutils-2_46', found in the gdb/features/sparc/folder [*].\n\nExtract sparc_cp0_gdb_write_register() out of\nsparc_cpu_gdb_read_register() and sparc_cp0_gdb_write_register()\nout of sparc_cpu_gdb_write_register(), taking care to update the\nregister indexes in the switch cases.\n\nRegister these helpers with a call to gdb_register_coprocessor()\nin sparc_cpu_register_gdb_regs().\n\n[*] https://sourceware.org/git/?p=binutils-gdb.git;a=tree;f=gdb/features/sparc;hb=refs/tags/binutils-2_46\n\nSigned-off-by: Philippe Mathieu-Daudé \n---\n configs/targets/sparc64-linux-user.mak | 2 +-\n configs/targets/sparc64-softmmu.mak | 2 +-\n target/sparc/gdbstub.c | 193 ++++++++++++++-----------\n gdb-xml/sparc64-core.xml | 7 -\n gdb-xml/sparc64-cp0.xml | 16 ++\n 5 files changed, 130 insertions(+), 90 deletions(-)\n create mode 100644 gdb-xml/sparc64-cp0.xml","diff":"diff --git a/configs/targets/sparc64-linux-user.mak b/configs/targets/sparc64-linux-user.mak\nindex 3bbd8495210..930f7e13ab9 100644\n--- a/configs/targets/sparc64-linux-user.mak\n+++ b/configs/targets/sparc64-linux-user.mak\n@@ -4,6 +4,6 @@ TARGET_ABI_DIR=sparc\n TARGET_SYSTBL_ABI=common,64\n TARGET_SYSTBL=syscall.tbl\n TARGET_BIG_ENDIAN=y\n-TARGET_XML_FILES=gdb-xml/sparc64-core.xml\n+TARGET_XML_FILES=gdb-xml/sparc64-core.xml gdb-xml/sparc64-cp0.xml\n TARGET_LONG_BITS=64\n TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API=y\ndiff --git a/configs/targets/sparc64-softmmu.mak b/configs/targets/sparc64-softmmu.mak\nindex 8a0290c2093..22e7f3c94a7 100644\n--- a/configs/targets/sparc64-softmmu.mak\n+++ b/configs/targets/sparc64-softmmu.mak\n@@ -1,7 +1,7 @@\n TARGET_ARCH=sparc64\n TARGET_BASE_ARCH=sparc\n TARGET_BIG_ENDIAN=y\n-TARGET_XML_FILES=gdb-xml/sparc64-core.xml\n+TARGET_XML_FILES=gdb-xml/sparc64-core.xml gdb-xml/sparc64-cp0.xml\n TARGET_LONG_BITS=64\n TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y\n TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API=y\ndiff --git a/target/sparc/gdbstub.c b/target/sparc/gdbstub.c\nindex 79d661fbc10..bdd759dd0a9 100644\n--- a/target/sparc/gdbstub.c\n+++ b/target/sparc/gdbstub.c\n@@ -18,6 +18,7 @@\n * License along with this library; if not, see .\n */\n #include \"qemu/osdep.h\"\n+#include \"exec/gdbstub.h\"\n #include \"cpu.h\"\n #include \"gdbstub/helpers.h\"\n \n@@ -48,27 +49,6 @@ int sparc_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)\n return gdb_get_reg32(mem_buf, env->fpr[(n - 32) / 2].l.upper);\n }\n }\n- /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */\n- switch (n) {\n- case 64:\n- return gdb_get_rega(mem_buf, env->y);\n- case 65:\n- return gdb_get_rega(mem_buf, cpu_get_psr(env));\n- case 66:\n- return gdb_get_rega(mem_buf, env->wim);\n- case 67:\n- return gdb_get_rega(mem_buf, env->tbr);\n- case 68:\n- return gdb_get_rega(mem_buf, env->pc);\n- case 69:\n- return gdb_get_rega(mem_buf, env->npc);\n- case 70:\n- return gdb_get_rega(mem_buf, cpu_get_fsr(env));\n- case 71:\n- return gdb_get_rega(mem_buf, 0); /* csr */\n- default:\n- return gdb_get_rega(mem_buf, 0);\n- }\n #else\n if (n < 64) {\n /* f0-f31 */\n@@ -87,21 +67,51 @@ int sparc_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)\n */\n return gdb_get_reg64(mem_buf, env->fpr[(n - 64) + 16].ll);\n }\n+#endif\n+ return 0;\n+}\n+\n+__attribute__((unused))\n+static int sparc_cp0_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)\n+{\n+ CPUSPARCState *env = cpu_env(cs);\n+\n+#if defined(TARGET_ABI32) || !defined(TARGET_SPARC64)\n+ /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */\n switch (n) {\n- case 80:\n+ case 0:\n+ return gdb_get_rega(mem_buf, env->y);\n+ case 1:\n+ return gdb_get_rega(mem_buf, cpu_get_psr(env));\n+ case 2:\n+ return gdb_get_rega(mem_buf, env->wim);\n+ case 3:\n+ return gdb_get_rega(mem_buf, env->tbr);\n+ case 4:\n+ return gdb_get_rega(mem_buf, env->pc);\n+ case 5:\n+ return gdb_get_rega(mem_buf, env->npc);\n+ case 6:\n+ return gdb_get_rega(mem_buf, cpu_get_fsr(env));\n+ case 7:\n+ return gdb_get_rega(mem_buf, 0); /* csr */\n+ }\n+#else\n+ switch (n) {\n+ case 0:\n return gdb_get_regl(mem_buf, env->pc);\n- case 81:\n+ case 1:\n return gdb_get_regl(mem_buf, env->npc);\n- case 82:\n+ case 2:\n return gdb_get_regl(mem_buf, (cpu_get_ccr(env) << 32) |\n ((env->asi & 0xff) << 24) |\n ((env->pstate & 0xfff) << 8) |\n cpu_get_cwp64(env));\n- case 83:\n+ case 3:\n return gdb_get_regl(mem_buf, cpu_get_fsr(env));\n- case 84:\n+ case 4:\n return gdb_get_regl(mem_buf, env->fprs);\n- case 85:\n+ case 5:\n return gdb_get_regl(mem_buf, env->y);\n }\n #endif\n@@ -138,33 +148,6 @@ int sparc_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)\n } else {\n env->fpr[(n - 32) / 2].l.upper = tmp;\n }\n- } else {\n- /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */\n- switch (n) {\n- case 64:\n- env->y = tmp;\n- break;\n- case 65:\n- cpu_put_psr(env, tmp);\n- break;\n- case 66:\n- env->wim = tmp;\n- break;\n- case 67:\n- env->tbr = tmp;\n- break;\n- case 68:\n- env->pc = tmp;\n- break;\n- case 69:\n- env->npc = tmp;\n- break;\n- case 70:\n- cpu_put_fsr(env, tmp);\n- break;\n- default:\n- return 0;\n- }\n }\n return 4;\n #else\n@@ -185,32 +168,77 @@ int sparc_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)\n * n == 79: f62 : env->fpr[31]\n */\n env->fpr[(n - 64) + 16].ll = tmp;\n- } else {\n- switch (n) {\n- case 80:\n- env->pc = tmp;\n- break;\n- case 81:\n- env->npc = tmp;\n- break;\n- case 82:\n- cpu_put_ccr(env, tmp >> 32);\n- env->asi = (tmp >> 24) & 0xff;\n- env->pstate = (tmp >> 8) & 0xfff;\n- cpu_put_cwp64(env, tmp & 0xff);\n- break;\n- case 83:\n- cpu_put_fsr(env, tmp);\n- break;\n- case 84:\n- env->fprs = tmp;\n- break;\n- case 85:\n- env->y = tmp;\n- break;\n- default:\n- return 0;\n- }\n+ }\n+ return 8;\n+#endif\n+}\n+\n+__attribute__((unused))\n+static int sparc_cp0_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)\n+{\n+ CPUSPARCState *env = cpu_env(cs);\n+\n+#if defined(TARGET_ABI32) || !defined(TARGET_SPARC64)\n+ uint32_t tmp;\n+\n+ tmp = ldl_p(mem_buf);\n+\n+ /* Y, PSR, WIM, TBR, PC, NPC, FPSR, CPSR */\n+ switch (n) {\n+ case 0:\n+ env->y = tmp;\n+ break;\n+ case 1:\n+ cpu_put_psr(env, tmp);\n+ break;\n+ case 2:\n+ env->wim = tmp;\n+ break;\n+ case 3:\n+ env->tbr = tmp;\n+ break;\n+ case 4:\n+ env->pc = tmp;\n+ break;\n+ case 5:\n+ env->npc = tmp;\n+ break;\n+ case 6:\n+ cpu_put_fsr(env, tmp);\n+ break;\n+ default:\n+ return 0;\n+ }\n+ return 4;\n+#else\n+ uint64_t tmp;\n+\n+ tmp = ldq_p(mem_buf);\n+\n+ switch (n) {\n+ case 0:\n+ env->pc = tmp;\n+ break;\n+ case 1:\n+ env->npc = tmp;\n+ break;\n+ case 2:\n+ cpu_put_ccr(env, tmp >> 32);\n+ env->asi = (tmp >> 24) & 0xff;\n+ env->pstate = (tmp >> 8) & 0xfff;\n+ cpu_put_cwp64(env, tmp & 0xff);\n+ break;\n+ case 3:\n+ cpu_put_fsr(env, tmp);\n+ break;\n+ case 4:\n+ env->fprs = tmp;\n+ break;\n+ case 5:\n+ env->y = tmp;\n+ break;\n+ default:\n+ return 0;\n }\n return 8;\n #endif\n@@ -221,6 +249,9 @@ void sparc_cpu_register_gdb_regs(CPUState *cs)\n #if defined(TARGET_ABI32) || !defined(TARGET_SPARC64)\n /* Not yet supported */\n #else\n- /* Not yet supported */\n+ gdb_register_coprocessor(cs, sparc_cp0_gdb_read_register,\n+ sparc_cp0_gdb_write_register,\n+ gdb_find_static_feature(\"sparc64-cp0.xml\"),\n+ 0);\n #endif\n }\ndiff --git a/gdb-xml/sparc64-core.xml b/gdb-xml/sparc64-core.xml\nindex 375b9bb0cc6..1c26d8c01c1 100644\n--- a/gdb-xml/sparc64-core.xml\n+++ b/gdb-xml/sparc64-core.xml\n@@ -89,11 +89,4 @@\n \n \n \n-\n- \n- \n- \n- \n- \n- \n \ndiff --git a/gdb-xml/sparc64-cp0.xml b/gdb-xml/sparc64-cp0.xml\nnew file mode 100644\nindex 00000000000..9b938dc7ecc\n--- /dev/null\n+++ b/gdb-xml/sparc64-cp0.xml\n@@ -0,0 +1,16 @@\n+\n+\n+\n+\n+\n+ \n+ \n+ \n+ \n+ \n+ \n+\n","prefixes":["v2","11/50"]}