From patchwork Thu Dec 21 10:38:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Alex_Benn=C3=A9e?= X-Patchwork-Id: 13501683 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F141E6E585 for ; Thu, 21 Dec 2023 10:47:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="c9muGT/i" Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-40d190044c5so6447625e9.2 for ; Thu, 21 Dec 2023 02:47:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1703155626; x=1703760426; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=jmYJ2fC1lZn0rQD/zyego8qIqXmQTboU/MlKw2VVHwg=; b=c9muGT/i50hVzlAEEpfngs01oouEMxMl4PggPrOpd06KvVcsDw/86GgmaUMMiDbQEz hpXOcP1+plzRs3l2dWfFFNbo2FywrbKGlKhR9jScazOKvLroAXF+/3xY58s2uSQCBOT5 dwBaiSvp+yQJYAJ6y9bZDtyFOFqYoYGUCRFAyTfYoLX4Rzol0R0x6UaVnfKZfFsY4bMo ndqJdJqjzxDJk6fSTtOzNtH79XFxMmY83hK4mAfui50weUim9xsR9zergn7lbqMFNzB5 5CVt3RjaqSvTPVFxoL5zvhp8/zRWWlTYatmjpGWuaqJubufj/0QMxxisT9qLePwRDTQC p8Zg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703155626; x=1703760426; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jmYJ2fC1lZn0rQD/zyego8qIqXmQTboU/MlKw2VVHwg=; b=nIMF4aSYxzVWYmn4Gp5Oi0+q7NRe2nIg13cRikaUR2v1jCAk8TUtvqAN3lFR5iT6xZ z308iPe98gmy27ljcLeV8GDd/aZYgJQetdq4PB6+3jUPW+PW+u7XvvQo7V31clxuTxYz OtiN3dfMNqUkEBHQQr4PGoJIsNquV8PcE1ahMhs7lL/xQus89QhiQBURRvvexv4iMb7L X89aZAivEHHfpRI5XyydafIDG8RcuW4WbGBZT2vLzYHWmIqAIUnInywN4QDHhLq26hcP hBoIvmqG7vhPNymIOylMw9xclSpJNuc/OqydZTphX12XefW8y+3onHKxrZ55JPWtrYuc whiQ== X-Gm-Message-State: AOJu0Yxo8gxj3xXwXT2idfhloosu78pyliql2qSvCE8sZnnGBsF1Tjpt 5m48+iXPnNlYJdJ05JTVSR6Xdg== X-Google-Smtp-Source: AGHT+IGZ8KRTLQXIKU981SYZwPtvWqMXF9Xe5oU0P6jCZLVbJejnAFzM5LxRaW5YFRUXiwr8wwwPSg== X-Received: by 2002:a1c:7702:0:b0:40d:3cdb:5dc1 with SMTP id t2-20020a1c7702000000b0040d3cdb5dc1mr457090wmi.159.1703155626234; Thu, 21 Dec 2023 02:47:06 -0800 (PST) Received: from draig.lan ([85.9.250.243]) by smtp.gmail.com with ESMTPSA id j3-20020a5d4523000000b003364b530d1asm1750877wra.5.2023.12.21.02.46.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Dec 2023 02:47:01 -0800 (PST) Received: from draig.lan (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id 754545F8F1; Thu, 21 Dec 2023 10:38:21 +0000 (GMT) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: "Edgar E. Iglesias" , John Snow , Aurelien Jarno , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Yanan Wang , Eduardo Habkost , Brian Cain , Laurent Vivier , Palmer Dabbelt , Cleber Rosa , David Hildenbrand , Beraldo Leal , Pierrick Bouvier , Weiwei Li , =?utf-8?q?Alex_Benn=C3=A9e?= , Paul Durrant , qemu-s390x@nongnu.org, David Woodhouse , Liu Zhiwei , Ilya Leoshkevich , Wainer dos Santos Moschetta , Michael Rolnik , Alistair Francis , Daniel Henrique Barboza , Laurent Vivier , kvm@vger.kernel.org, =?utf-8?q?Marc-An?= =?utf-8?q?dr=C3=A9_Lureau?= , Alexandre Iooss , Thomas Huth , Peter Maydell , qemu-ppc@nongnu.org, Paolo Bonzini , Marcel Apfelbaum , Nicholas Piggin , qemu-riscv@nongnu.org, qemu-arm@nongnu.org, Song Gao , Yoshinori Sato , Richard Henderson , Daniel Henrique Barboza , =?utf-8?q?C=C3=A9dric_?= =?utf-8?q?Le_Goater?= , Mahmoud Mandour , Bin Meng , Akihiko Odaki Subject: [PATCH 26/40] target/ppc: Use GDBFeature for dynamic XML Date: Thu, 21 Dec 2023 10:38:04 +0000 Message-Id: <20231221103818.1633766-27-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231221103818.1633766-1-alex.bennee@linaro.org> References: <20231221103818.1633766-1-alex.bennee@linaro.org> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 Bennée --- 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 +#include "exec/gdbstub.h" #include "hw/core/cpu.h" #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); -#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, uint8_t *mem_buf, int n) } #ifndef CONFIG_USER_ONLY -void ppc_gdb_gen_spr_xml(PowerPCCPU *cpu) +static void gdb_gen_spr_feature(CPUState *cs) { - PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); + PowerPCCPU *cpu = POWERPC_CPU(cs); CPUPPCState *env = &cpu->env; - GString *xml; - char *spr_name; + GDBFeatureBuilder builder; unsigned int num_regs = 0; int i; + 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 = 0; i < ARRAY_SIZE(env->spr_cb); i++) { ppc_spr_t *spr = &env->spr_cb[i]; @@ -326,35 +334,13 @@ void ppc_gdb_gen_spr_xml(PowerPCCPU *cpu) */ spr->gdb_id = num_regs; num_regs++; - } - - if (pcc->gdb_spr_xml) { - return; - } - xml = g_string_new(""); - g_string_append(xml, ""); - g_string_append(xml, ""); - - for (i = 0; i < ARRAY_SIZE(env->spr_cb); i++) { - ppc_spr_t *spr = &env->spr_cb[i]; - - if (!spr->name) { - continue; - } - - spr_name = 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"); } - g_string_append(xml, ""); - - pcc->gdb_num_sprs = num_regs; - pcc->gdb_spr_xml = g_string_free(xml, false); + gdb_feature_builder_end(&builder); } 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 = POWERPC_CPU_GET_CLASS(cs); if (strcmp(xml_name, "power-spr.xml") == 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 }