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GET /api/patches/1882068/?format=api
{ "id": 1882068, "url": "http://patchwork.ozlabs.org/api/patches/1882068/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20240103173349.398526-28-alex.bennee@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20240103173349.398526-28-alex.bennee@linaro.org>", "list_archive_url": null, "date": "2024-01-03T17:33:33", "name": "[v2,27/43] target/ppc: Use GDBFeature for dynamic XML", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "fc9be2bbf0eb829a5c9cb7108dc65324f3c5f884", "submitter": { "id": 39532, "url": "http://patchwork.ozlabs.org/api/people/39532/?format=api", "name": "Alex Bennée", "email": "alex.bennee@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20240103173349.398526-28-alex.bennee@linaro.org/mbox/", "series": [ { "id": 388742, "url": "http://patchwork.ozlabs.org/api/series/388742/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=388742", "date": "2024-01-03T17:33:08", "name": "testing and plugin updates for 9.0 (pre-PR)", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/388742/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1882068/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1882068/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "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=SV4oGXXK;\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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Iglesias\" <edgar.iglesias@gmail.com>,\n Eduardo Habkost <eduardo@habkost.net>,\n Pierrick Bouvier <pierrick.bouvier@linaro.org>, qemu-riscv@nongnu.org,\n Alistair Francis <alistair.francis@wdc.com>,\n Akihiko Odaki <akihiko.odaki@daynix.com>", "Subject": "[PATCH v2 27/43] target/ppc: Use GDBFeature for dynamic XML", "Date": "Wed, 3 Jan 2024 17:33:33 +0000", "Message-Id": "<20240103173349.398526-28-alex.bennee@linaro.org>", "X-Mailer": "git-send-email 2.39.2", "In-Reply-To": "<20240103173349.398526-1-alex.bennee@linaro.org>", "References": "<20240103173349.398526-1-alex.bennee@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::32b;\n envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x32b.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, SPF_PASS=-0.001,\n T_SCC_BODY_TEXT_LINE=-0.01 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": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Akihiko Odaki <akihiko.odaki@daynix.com>\n\nIn preparation for a change to use GDBFeature as a parameter of\ngdb_register_coprocessor(), convert the internal representation of\ndynamic feature from plain XML to GDBFeature.\n\nSigned-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>\nReviewed-by: Richard Henderson <richard.henderson@linaro.org>\nMessage-Id: <20231213-gdb-v17-2-777047380591@daynix.com>\nSigned-off-by: Alex Bennée <alex.bennee@linaro.org>\n---\n target/ppc/cpu-qom.h | 1 +\n target/ppc/cpu.h | 4 +---\n target/ppc/cpu_init.c | 4 ----\n target/ppc/gdbstub.c | 51 ++++++++++++++++---------------------------\n 4 files changed, 21 insertions(+), 39 deletions(-)", "diff": "diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h\nindex 0241609efef..8247fa23367 100644\n--- a/target/ppc/cpu-qom.h\n+++ b/target/ppc/cpu-qom.h\n@@ -20,6 +20,7 @@\n #ifndef QEMU_PPC_CPU_QOM_H\n #define QEMU_PPC_CPU_QOM_H\n \n+#include \"exec/gdbstub.h\"\n #include \"hw/core/cpu.h\"\n \n #ifdef TARGET_PPC64\ndiff --git a/target/ppc/cpu.h b/target/ppc/cpu.h\nindex f8101ffa296..f87c26f98a6 100644\n--- a/target/ppc/cpu.h\n+++ b/target/ppc/cpu.h\n@@ -1471,8 +1471,7 @@ struct PowerPCCPUClass {\n int bfd_mach;\n uint32_t l1_dcache_size, l1_icache_size;\n #ifndef CONFIG_USER_ONLY\n- unsigned int gdb_num_sprs;\n- const char *gdb_spr_xml;\n+ GDBFeature gdb_spr;\n #endif\n const PPCHash64Options *hash64_opts;\n struct ppc_radix_page_info *radix_page_info;\n@@ -1525,7 +1524,6 @@ int ppc_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);\n int ppc_cpu_gdb_write_register_apple(CPUState *cpu, uint8_t *buf, int reg);\n #ifndef CONFIG_USER_ONLY\n hwaddr ppc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);\n-void ppc_gdb_gen_spr_xml(PowerPCCPU *cpu);\n const char *ppc_gdb_get_dynamic_xml(CPUState *cs, const char *xml_name);\n #endif\n int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,\ndiff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c\nindex 40fe14a6c25..a0178c3ce80 100644\n--- a/target/ppc/cpu_init.c\n+++ b/target/ppc/cpu_init.c\n@@ -6682,10 +6682,6 @@ static void init_ppc_proc(PowerPCCPU *cpu)\n /* PowerPC implementation specific initialisations (SPRs, timers, ...) */\n (*pcc->init_proc)(env);\n \n-#if !defined(CONFIG_USER_ONLY)\n- ppc_gdb_gen_spr_xml(cpu);\n-#endif\n-\n /* MSR bits & flags consistency checks */\n if (env->msr_mask & (1 << 25)) {\n switch (env->flags & (POWERPC_FLAG_SPE | POWERPC_FLAG_VRE)) {\ndiff --git a/target/ppc/gdbstub.c b/target/ppc/gdbstub.c\nindex ec5731e5d67..e3be3dbd109 100644\n--- a/target/ppc/gdbstub.c\n+++ b/target/ppc/gdbstub.c\n@@ -300,15 +300,23 @@ int ppc_cpu_gdb_write_register_apple(CPUState *cs, uint8_t *mem_buf, int n)\n }\n \n #ifndef CONFIG_USER_ONLY\n-void ppc_gdb_gen_spr_xml(PowerPCCPU *cpu)\n+static void gdb_gen_spr_feature(CPUState *cs)\n {\n- PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);\n+ PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);\n+ PowerPCCPU *cpu = POWERPC_CPU(cs);\n CPUPPCState *env = &cpu->env;\n- GString *xml;\n- char *spr_name;\n+ GDBFeatureBuilder builder;\n unsigned int num_regs = 0;\n int i;\n \n+ if (pcc->gdb_spr.xml) {\n+ return;\n+ }\n+\n+ gdb_feature_builder_init(&builder, &pcc->gdb_spr,\n+ \"org.qemu.power.spr\", \"power-spr.xml\",\n+ cs->gdb_num_regs);\n+\n for (i = 0; i < ARRAY_SIZE(env->spr_cb); i++) {\n ppc_spr_t *spr = &env->spr_cb[i];\n \n@@ -326,35 +334,13 @@ void ppc_gdb_gen_spr_xml(PowerPCCPU *cpu)\n */\n spr->gdb_id = num_regs;\n num_regs++;\n- }\n-\n- if (pcc->gdb_spr_xml) {\n- return;\n- }\n \n- xml = g_string_new(\"<?xml version=\\\"1.0\\\"?>\");\n- g_string_append(xml, \"<!DOCTYPE target SYSTEM \\\"gdb-target.dtd\\\">\");\n- g_string_append(xml, \"<feature name=\\\"org.qemu.power.spr\\\">\");\n-\n- for (i = 0; i < ARRAY_SIZE(env->spr_cb); i++) {\n- ppc_spr_t *spr = &env->spr_cb[i];\n-\n- if (!spr->name) {\n- continue;\n- }\n-\n- spr_name = g_ascii_strdown(spr->name, -1);\n- g_string_append_printf(xml, \"<reg name=\\\"%s\\\"\", spr_name);\n- g_free(spr_name);\n-\n- g_string_append_printf(xml, \" bitsize=\\\"%d\\\"\", TARGET_LONG_BITS);\n- g_string_append(xml, \" group=\\\"spr\\\"/>\");\n+ gdb_feature_builder_append_reg(&builder, g_ascii_strdown(spr->name, -1),\n+ TARGET_LONG_BITS, num_regs,\n+ \"int\", \"spr\");\n }\n \n- g_string_append(xml, \"</feature>\");\n-\n- pcc->gdb_num_sprs = num_regs;\n- pcc->gdb_spr_xml = g_string_free(xml, false);\n+ gdb_feature_builder_end(&builder);\n }\n \n const char *ppc_gdb_get_dynamic_xml(CPUState *cs, const char *xml_name)\n@@ -362,7 +348,7 @@ const char *ppc_gdb_get_dynamic_xml(CPUState *cs, const char *xml_name)\n PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);\n \n if (strcmp(xml_name, \"power-spr.xml\") == 0) {\n- return pcc->gdb_spr_xml;\n+ return pcc->gdb_spr.xml;\n }\n return NULL;\n }\n@@ -599,7 +585,8 @@ void ppc_gdb_init(CPUState *cs, PowerPCCPUClass *pcc)\n 32, \"power-vsx.xml\", 0);\n }\n #ifndef CONFIG_USER_ONLY\n+ gdb_gen_spr_feature(cs);\n gdb_register_coprocessor(cs, gdb_get_spr_reg, gdb_set_spr_reg,\n- pcc->gdb_num_sprs, \"power-spr.xml\", 0);\n+ pcc->gdb_spr.num_regs, \"power-spr.xml\", 0);\n #endif\n }\n", "prefixes": [ "v2", "27/43" ] }