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Wed, 03 Jan 2024 09:34:05 -0800 (PST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: qemu-s390x@nongnu.org, qemu-ppc@nongnu.org, Richard Henderson , Song Gao , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , David Hildenbrand , Aurelien Jarno , Yoshinori Sato , Yanan Wang , Bin Meng , Laurent Vivier , Michael Rolnik , Alexandre Iooss , David Woodhouse , Laurent Vivier , Paolo Bonzini , Brian Cain , Daniel Henrique Barboza , Beraldo Leal , Paul Durrant , Mahmoud Mandour , Thomas Huth , Liu Zhiwei , Cleber Rosa , kvm@vger.kernel.org, Peter Maydell , Wainer dos Santos Moschetta , =?UTF-8?q?Alex=20Benn=C3=A9e?= , qemu-arm@nongnu.org, Weiwei Li , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , John Snow , Daniel Henrique Barboza , Nicholas Piggin , Palmer Dabbelt , Marcel Apfelbaum , Ilya Leoshkevich , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , "Edgar E. Iglesias" , Eduardo Habkost , Pierrick Bouvier , qemu-riscv@nongnu.org, Alistair Francis , Akihiko Odaki 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: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32b; 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, 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, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1704303426208100013 From: Akihiko Odaki In preparation for a change to use GDBFeature as a parameter of gdb_register_coprocessor(), convert the internal representation of dynamic feature from plain XML to GDBFeature. Signed-off-by: Akihiko Odaki Reviewed-by: Richard Henderson Message-Id: <20231213-gdb-v17-2-777047380591@daynix.com> Signed-off-by: Alex Benn=C3=A9e --- target/ppc/cpu-qom.h | 1 + target/ppc/cpu.h | 4 +--- target/ppc/cpu_init.c | 4 ---- target/ppc/gdbstub.c | 51 ++++++++++++++++--------------------------- 4 files changed, 21 insertions(+), 39 deletions(-) diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h index 0241609efef..8247fa23367 100644 --- a/target/ppc/cpu-qom.h +++ b/target/ppc/cpu-qom.h @@ -20,6 +20,7 @@ #ifndef QEMU_PPC_CPU_QOM_H #define QEMU_PPC_CPU_QOM_H =20 +#include "exec/gdbstub.h" #include "hw/core/cpu.h" =20 #ifdef TARGET_PPC64 diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index f8101ffa296..f87c26f98a6 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1471,8 +1471,7 @@ struct PowerPCCPUClass { int bfd_mach; uint32_t l1_dcache_size, l1_icache_size; #ifndef CONFIG_USER_ONLY - unsigned int gdb_num_sprs; - const char *gdb_spr_xml; + GDBFeature gdb_spr; #endif const PPCHash64Options *hash64_opts; struct ppc_radix_page_info *radix_page_info; @@ -1525,7 +1524,6 @@ int ppc_cpu_gdb_write_register(CPUState *cpu, uint8_t= *buf, int reg); int ppc_cpu_gdb_write_register_apple(CPUState *cpu, uint8_t *buf, int reg); #ifndef CONFIG_USER_ONLY hwaddr ppc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); -void ppc_gdb_gen_spr_xml(PowerPCCPU *cpu); const char *ppc_gdb_get_dynamic_xml(CPUState *cs, const char *xml_name); #endif int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs, diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 40fe14a6c25..a0178c3ce80 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -6682,10 +6682,6 @@ static void init_ppc_proc(PowerPCCPU *cpu) /* PowerPC implementation specific initialisations (SPRs, timers, ...)= */ (*pcc->init_proc)(env); =20 -#if !defined(CONFIG_USER_ONLY) - ppc_gdb_gen_spr_xml(cpu); -#endif - /* MSR bits & flags consistency checks */ if (env->msr_mask & (1 << 25)) { switch (env->flags & (POWERPC_FLAG_SPE | POWERPC_FLAG_VRE)) { diff --git a/target/ppc/gdbstub.c b/target/ppc/gdbstub.c index ec5731e5d67..e3be3dbd109 100644 --- a/target/ppc/gdbstub.c +++ b/target/ppc/gdbstub.c @@ -300,15 +300,23 @@ int ppc_cpu_gdb_write_register_apple(CPUState *cs, ui= nt8_t *mem_buf, int n) } =20 #ifndef CONFIG_USER_ONLY -void ppc_gdb_gen_spr_xml(PowerPCCPU *cpu) +static void gdb_gen_spr_feature(CPUState *cs) { - PowerPCCPUClass *pcc =3D POWERPC_CPU_GET_CLASS(cpu); + PowerPCCPUClass *pcc =3D POWERPC_CPU_GET_CLASS(cs); + PowerPCCPU *cpu =3D POWERPC_CPU(cs); CPUPPCState *env =3D &cpu->env; - GString *xml; - char *spr_name; + GDBFeatureBuilder builder; unsigned int num_regs =3D 0; int i; =20 + if (pcc->gdb_spr.xml) { + return; + } + + gdb_feature_builder_init(&builder, &pcc->gdb_spr, + "org.qemu.power.spr", "power-spr.xml", + cs->gdb_num_regs); + for (i =3D 0; i < ARRAY_SIZE(env->spr_cb); i++) { ppc_spr_t *spr =3D &env->spr_cb[i]; =20 @@ -326,35 +334,13 @@ void ppc_gdb_gen_spr_xml(PowerPCCPU *cpu) */ spr->gdb_id =3D num_regs; num_regs++; - } - - if (pcc->gdb_spr_xml) { - return; - } =20 - xml =3D g_string_new(""); - g_string_append(xml, ""); - g_string_append(xml, ""); - - for (i =3D 0; i < ARRAY_SIZE(env->spr_cb); i++) { - ppc_spr_t *spr =3D &env->spr_cb[i]; - - if (!spr->name) { - continue; - } - - spr_name =3D g_ascii_strdown(spr->name, -1); - g_string_append_printf(xml, ""); + gdb_feature_builder_append_reg(&builder, g_ascii_strdown(spr->name= , -1), + TARGET_LONG_BITS, num_regs, + "int", "spr"); } =20 - g_string_append(xml, ""); - - pcc->gdb_num_sprs =3D num_regs; - pcc->gdb_spr_xml =3D g_string_free(xml, false); + gdb_feature_builder_end(&builder); } =20 const char *ppc_gdb_get_dynamic_xml(CPUState *cs, const char *xml_name) @@ -362,7 +348,7 @@ const char *ppc_gdb_get_dynamic_xml(CPUState *cs, const= char *xml_name) PowerPCCPUClass *pcc =3D POWERPC_CPU_GET_CLASS(cs); =20 if (strcmp(xml_name, "power-spr.xml") =3D=3D 0) { - return pcc->gdb_spr_xml; + return pcc->gdb_spr.xml; } return NULL; } @@ -599,7 +585,8 @@ void ppc_gdb_init(CPUState *cs, PowerPCCPUClass *pcc) 32, "power-vsx.xml", 0); } #ifndef CONFIG_USER_ONLY + gdb_gen_spr_feature(cs); gdb_register_coprocessor(cs, gdb_get_spr_reg, gdb_set_spr_reg, - pcc->gdb_num_sprs, "power-spr.xml", 0); + pcc->gdb_spr.num_regs, "power-spr.xml", 0); #endif } --=20 2.39.2