From patchwork Fri Aug 18 03:36:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akihiko Odaki X-Patchwork-Id: 1822676 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=daynix-com.20221208.gappssmtp.com header.i=@daynix-com.20221208.gappssmtp.com header.a=rsa-sha256 header.s=20221208 header.b=mObQlOQL; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RRnkz702nz1yNm for ; Fri, 18 Aug 2023 13:42:51 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qWqIh-0001vU-IK; Thu, 17 Aug 2023 23:37:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qWqId-0001s9-4Y for qemu-devel@nongnu.org; Thu, 17 Aug 2023 23:37:24 -0400 Received: from mail-pf1-x42e.google.com ([2607:f8b0:4864:20::42e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qWqIa-0005nz-QZ for qemu-devel@nongnu.org; Thu, 17 Aug 2023 23:37:22 -0400 Received: by mail-pf1-x42e.google.com with SMTP id d2e1a72fcca58-68871bbfe33so418544b3a.0 for ; Thu, 17 Aug 2023 20:37:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20221208.gappssmtp.com; s=20221208; t=1692329839; x=1692934639; 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=W/Ba0NHMcQMxLUyszO/Sm+l8+kWE9GmREl0R9OaRpaY=; b=mObQlOQL661vMV3/ZTG5a8QD0VWOoJlBISRXLXdxunUJyU0xUdPMvbbn156ExYCICf paKOoqJYU57esvpvouWgRmtpw/16nUM2Wf4LeQk21v9e6HHmpRXXvgpJZzAEe7qiUhyj ihiYycmlZC1U9106qOozPocKYNkoyP/bIpiwVbRTrDRr2XQoWlR9RxSwZeSw3e6H1FOe G/DPCbLcsN83eHOnLoL/BRcUD4coDQzUAQFw73A2L7hYZ737lPOCULoKLV2HSM032Dfw K2IILknEF/qOFSIBquTTwOvab3GX2QPYuJVSxcb5DtZfkCf3dY2sPNk3VOFclC15St+V xDnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692329839; x=1692934639; 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=W/Ba0NHMcQMxLUyszO/Sm+l8+kWE9GmREl0R9OaRpaY=; b=eJm5Mj8KxAQRUFhH79uZ3GqpMhOG1zNUu9g9K1FuRedviULgk3uxZmKoK8e9bAD6fU WUCKlZI08O26Iwp6k9cdnx5dS13oamUvKHrDakfr42IIHO22erTmdSl0ud/XHwPQup0T K+LqiLXvaupVHbiWAq364KHbYZHeJdJZAE0FyFfEKSj5VV3LG6xOoob1AOvosn+vBSA4 KP4UW4OSd52fvEJtW4Yjvv2XY1QlxA+L/yDvWgbR2LKVi1Ufi9HgKh5lTLo4Aza/55Md GdB73Nle3mz7SrJ4wXfaOq6DbwCGsz7pDNyScCoafW6EfY+/JjIaC/KYXrv7AdqNP0yF dCvw== X-Gm-Message-State: AOJu0YzG+37cmun2Sekvmj5AmN/8JeP22haviWqkGsOKq2JD6KEOk1b/ rLjJZSvIQj8Qq08yirZcnyLiaQ== X-Google-Smtp-Source: AGHT+IEVnbhpa8PwPrw8GTLtPkrvHCRc2S2/ypgEtPY819r5zGKu0jM6rcdHY3KrCQ0AE8gkrC+6Lg== X-Received: by 2002:a05:6a21:279b:b0:131:a3b1:5674 with SMTP id rn27-20020a056a21279b00b00131a3b15674mr1429491pzb.22.1692329839772; Thu, 17 Aug 2023 20:37:19 -0700 (PDT) Received: from alarm.flets-east.jp ([2400:4050:a840:1e00:78d2:b862:10a7:d486]) by smtp.gmail.com with ESMTPSA id c24-20020aa781d8000000b00686a80f431dsm484135pfn.126.2023.08.17.20.37.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Aug 2023 20:37:19 -0700 (PDT) From: Akihiko Odaki To: Cc: =?utf-8?q?Alex_Benn=C3=A9e?= , Mikhail Tyutin , Aleksandr Anenkov , qemu-devel@nongnu.org, Akihiko Odaki , Richard Henderson , Daniel Henrique Barboza , =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= , David Gibson , Greg Kurz , Nicholas Piggin , qemu-ppc@nongnu.org (open list:PowerPC TCG CPUs) Subject: [PATCH RESEND v5 09/26] target/ppc: Use GDBFeature for dynamic XML Date: Fri, 18 Aug 2023 12:36:28 +0900 Message-ID: <20230818033648.8326-10-akihiko.odaki@daynix.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230818033648.8326-1-akihiko.odaki@daynix.com> References: <20230818033648.8326-1-akihiko.odaki@daynix.com> MIME-Version: 1.0 Received-SPF: none client-ip=2607:f8b0:4864:20::42e; envelope-from=akihiko.odaki@daynix.com; helo=mail-pf1-x42e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org 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 --- target/ppc/cpu-qom.h | 3 +-- target/ppc/cpu.h | 2 +- target/ppc/cpu_init.c | 2 +- target/ppc/gdbstub.c | 45 ++++++++++++++----------------------------- 4 files changed, 17 insertions(+), 35 deletions(-) diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h index be33786bd8..633fb402b5 100644 --- a/target/ppc/cpu-qom.h +++ b/target/ppc/cpu-qom.h @@ -186,8 +186,7 @@ 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; diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 25fac9577a..5f251bdffe 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1381,7 +1381,7 @@ 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); +void ppc_gdb_gen_spr_feature(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 eb56226865..938cd2b7e1 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -6673,7 +6673,7 @@ static void init_ppc_proc(PowerPCCPU *cpu) (*pcc->init_proc)(env); #if !defined(CONFIG_USER_ONLY) - ppc_gdb_gen_spr_xml(cpu); + ppc_gdb_gen_spr_feature(cpu); #endif /* MSR bits & flags consistency checks */ diff --git a/target/ppc/gdbstub.c b/target/ppc/gdbstub.c index ca39efdc35..0ef484dbee 100644 --- a/target/ppc/gdbstub.c +++ b/target/ppc/gdbstub.c @@ -318,15 +318,21 @@ 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) +void ppc_gdb_gen_spr_feature(PowerPCCPU *cpu) { PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); 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"); + for (i = 0; i < ARRAY_SIZE(env->spr_cb); i++) { ppc_spr_t *spr = &env->spr_cb[i]; @@ -344,35 +350,12 @@ 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, "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) @@ -380,7 +363,7 @@ 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; } @@ -618,6 +601,6 @@ void ppc_gdb_init(CPUState *cs, PowerPCCPUClass *pcc) } #ifndef CONFIG_USER_ONLY 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 }