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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.30.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:30:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=+cwR0yAMMRzTUue9qCnfgeow6XLhgPQr5IbzzpWxGQY=; b=fS+2Lj3fMAR52noQmc91ZY538L3E379e7GChUR+AVk8SP2QGJvmcLGPiUbrGIuloWj iq0kZjeHo8hZzZYowRF0GxvzLqIsk3K12Ijvflk8EVhQ8u/Fn7Kkp1fSyZjA1lgV+LHU hhNjqAiKo7zaR2oUATBeatOug1ul7sBzN20j9+LNUQvKOsmWTO9omHdwdrFoJ58MhXSf CG4Vc6mXAcQJmA6AE7RcpS9W16h3y/WeqasFNMVyEZbUZ3x8dy21DEHyspB6i3R6UxMd 3cQbeFBBhja7ve8YcTvcuiuF+GULVqiAfzVMGhpvsZzJ39a3gJy/FPgExctG8j6MHtyU iTkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=+cwR0yAMMRzTUue9qCnfgeow6XLhgPQr5IbzzpWxGQY=; b=tkQ6peYg2sgfW8M3zrgPkjGJlxRTo3+MMyUrE+DlWXoA4qs/E/qfA0r2YOYeWzqRIB 7QlBkx9G3dJbRcJhQ+DCkyTEF77GuvGlmSHA7RQu8OyNdvfp8fXiDDX0gkvwSW/flCVc mJ7hKs33o3ka/Hb0EaQSXbGNVytpTnjFFZnfseDhws7IY0v5BSAwGKwR4OuYWncUAiH6 Y9/X9ShSDtddaQOcySZQkW9GdEHYz3LqYJtjhZuKsDWbP1ebycHkf3YwfuCpCnW0hTt1 C89684tks9264soO1LidtAfI8nPB+bLT25V8ol6uGo1jWuuhJk9b4g0PTNp+9Xjvk9Jf VONg== X-Gm-Message-State: AO0yUKXOixUwMkvqSN/oMMVJJ8lfP6/SZNtKJ91WmofOYvkmQztdJR/q dPqUAPl2XhiV4AXgHxbQNePxkPCkYo5Y8AoHeRc= X-Google-Smtp-Source: AK7set/MGp0UPQgajS5vEAiwPZ8IkMit4r/NHrWJ3u9/t2XAe9mlJNHSxzs85nKDNkjRBu+TBRl6fw== X-Received: by 2002:a62:2902:0:b0:5a8:b958:e348 with SMTP id p2-20020a622902000000b005a8b958e348mr2142311pfp.28.1676392253019; Tue, 14 Feb 2023 08:30:53 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 01/14] target/arm: Normalize aarch64 gdbstub get/set function names Date: Tue, 14 Feb 2023 06:30:35 -1000 Message-Id: <20230214163048.903964-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::534; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x534.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 autolearn=ham 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: 1676392337663100007 Content-Type: text/plain; charset="utf-8" Make the form of the function names between fp and sve the same: - arm_gdb_*_svereg -> aarch64_gdb_*_sve_reg. - aarch64_fpu_gdb_*_reg -> aarch64_gdb_*_fpu_reg. Signed-off-by: Richard Henderson Reviewed-by: Fabiano Rosas --- target/arm/internals.h | 8 ++++---- target/arm/gdbstub.c | 9 +++++---- target/arm/gdbstub64.c | 8 ++++---- 3 files changed, 13 insertions(+), 12 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index e1e018da46..69b5e7ba73 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1340,10 +1340,10 @@ static inline uint64_t pmu_counter_mask(CPUARMState= *env) } =20 #ifdef TARGET_AARCH64 -int arm_gdb_get_svereg(CPUARMState *env, GByteArray *buf, int reg); -int arm_gdb_set_svereg(CPUARMState *env, uint8_t *buf, int reg); -int aarch64_fpu_gdb_get_reg(CPUARMState *env, GByteArray *buf, int reg); -int aarch64_fpu_gdb_set_reg(CPUARMState *env, uint8_t *buf, int reg); +int aarch64_gdb_get_sve_reg(CPUARMState *env, GByteArray *buf, int reg); +int aarch64_gdb_set_sve_reg(CPUARMState *env, uint8_t *buf, int reg); +int aarch64_gdb_get_fpu_reg(CPUARMState *env, GByteArray *buf, int reg); +int aarch64_gdb_set_fpu_reg(CPUARMState *env, uint8_t *buf, int reg); void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp); void arm_cpu_sme_finalize(ARMCPU *cpu, Error **errp); void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp); diff --git a/target/arm/gdbstub.c b/target/arm/gdbstub.c index 2f806512d0..cf1c01e3cf 100644 --- a/target/arm/gdbstub.c +++ b/target/arm/gdbstub.c @@ -466,12 +466,13 @@ void arm_cpu_register_gdb_regs_for_features(ARMCPU *c= pu) */ #ifdef TARGET_AARCH64 if (isar_feature_aa64_sve(&cpu->isar)) { - gdb_register_coprocessor(cs, arm_gdb_get_svereg, arm_gdb_set_s= vereg, - arm_gen_dynamic_svereg_xml(cs, cs->gd= b_num_regs), + int nreg =3D arm_gen_dynamic_svereg_xml(cs, cs->gdb_num_regs); + gdb_register_coprocessor(cs, aarch64_gdb_get_sve_reg, + aarch64_gdb_set_sve_reg, nreg, "sve-registers.xml", 0); } else { - gdb_register_coprocessor(cs, aarch64_fpu_gdb_get_reg, - aarch64_fpu_gdb_set_reg, + gdb_register_coprocessor(cs, aarch64_gdb_get_fpu_reg, + aarch64_gdb_set_fpu_reg, 34, "aarch64-fpu.xml", 0); } #endif diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 07a6746944..c598cb0375 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -72,7 +72,7 @@ int aarch64_cpu_gdb_write_register(CPUState *cs, uint8_t = *mem_buf, int n) return 0; } =20 -int aarch64_fpu_gdb_get_reg(CPUARMState *env, GByteArray *buf, int reg) +int aarch64_gdb_get_fpu_reg(CPUARMState *env, GByteArray *buf, int reg) { switch (reg) { case 0 ... 31: @@ -92,7 +92,7 @@ int aarch64_fpu_gdb_get_reg(CPUARMState *env, GByteArray = *buf, int reg) } } =20 -int aarch64_fpu_gdb_set_reg(CPUARMState *env, uint8_t *buf, int reg) +int aarch64_gdb_set_fpu_reg(CPUARMState *env, uint8_t *buf, int reg) { switch (reg) { case 0 ... 31: @@ -116,7 +116,7 @@ int aarch64_fpu_gdb_set_reg(CPUARMState *env, uint8_t *= buf, int reg) } } =20 -int arm_gdb_get_svereg(CPUARMState *env, GByteArray *buf, int reg) +int aarch64_gdb_get_sve_reg(CPUARMState *env, GByteArray *buf, int reg) { ARMCPU *cpu =3D env_archcpu(env); =20 @@ -164,7 +164,7 @@ int arm_gdb_get_svereg(CPUARMState *env, GByteArray *bu= f, int reg) return 0; } =20 -int arm_gdb_set_svereg(CPUARMState *env, uint8_t *buf, int reg) +int aarch64_gdb_set_sve_reg(CPUARMState *env, uint8_t *buf, int reg) { ARMCPU *cpu =3D env_archcpu(env); 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.30.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:30:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=nBthFvzzHD8e17j/GA3l/lSzIa3Cmb/GvEClpF90p2Y=; b=EyzsaGOhKJtxJQElNPrphGSmIuouKwqysr78vMj4rzCK6VflfX5OkUc+UQm1CR3PZf F7gZxFtY0k6dkO1JNcMCkhk+79rasMMjS2NzkUKfcy98FfzT8EFPKtIb9uSwD1HgdjsT LnliEn1ZDgHgjsC9GMjCAmmCFn3EBQyIRLGQN9LxoI4WpRPt99LThByrYmizaBhaRkky epo58wIOgrzuS4IBYeZseuD/hQKEGI8+x3L6P2GGRSwpoVcKZVtCrnnjMN7dC+MeNct2 ziDTW8xAp2S+SlNfL9UZ6rXMnTJYwlCMmt0pdHE8MoIxRIG79btkVVZ4QCSkx1s9xabO NQcg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=nBthFvzzHD8e17j/GA3l/lSzIa3Cmb/GvEClpF90p2Y=; b=dL9LTME1SXrYzpwzzdqCKX65fQJjbgj6DPd07jjbQgzPlLcFRnluQ5iW6GQuoFxBIv hdY6ZO+wSzbzdbJmzwRdnqRtzl27GKabSaNmonxGtdpOWdTFSaEwNmLgw4lKdqd9JWSh kXz6gZaQwLzWNNheArDVspcbupQFwdrji/AtwZCs7je7i3jKPwObgeXRyEQLs1qvChlX NapgHLwbFp6A35BdY8f2/WFEaHOamCq+UjnDYOjuWJ3BnjQQMfrNtNr8kZ12pTzYrDSK idU5/XCy5rANU2395McD7qyb2P2VeirPIedAZnUa9FbgP0nNNVT/4SRLPbBqr8TRovHg Ydwg== X-Gm-Message-State: AO0yUKWAYlwyHDhcR3RZx5X1iUCZ5HWh48aZZl9MKoNBGCJmeYc3Pvlh OJgTcH3vshxLuNGmMVF3Q853spy0jRrtElwG+vk= X-Google-Smtp-Source: AK7set+k2vw0cWW4hTbTx7ZyShAnCX2Eoy/LZhw0/YayFHeP9i9kxt8yHKtLldoujgjZms+kW3W3Qg== X-Received: by 2002:a62:14d3:0:b0:5a8:a570:45a0 with SMTP id 202-20020a6214d3000000b005a8a57045a0mr2541759pfu.34.1676392254445; Tue, 14 Feb 2023 08:30:54 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 02/14] target/arm: Unexport arm_gen_dynamic_sysreg_xml Date: Tue, 14 Feb 2023 06:30:36 -1000 Message-Id: <20230214163048.903964-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::432; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x432.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 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: 1676392346636100001 Content-Type: text/plain; charset="utf-8" This function is not used outside gdbstub.c. Signed-off-by: Richard Henderson Reviewed-by: Fabiano Rosas --- target/arm/cpu.h | 1 - target/arm/gdbstub.c | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 7bc97fece9..b2c49b3605 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1114,7 +1114,6 @@ int arm_cpu_gdb_write_register(CPUState *cpu, uint8_t= *buf, int reg); * Helpers to dynamically generates XML descriptions of the sysregs * and SVE registers. Returns the number of registers in each set. */ -int arm_gen_dynamic_sysreg_xml(CPUState *cpu, int base_reg); int arm_gen_dynamic_svereg_xml(CPUState *cpu, int base_reg); =20 /* Returns the dynamically generated XML for the gdb stub. diff --git a/target/arm/gdbstub.c b/target/arm/gdbstub.c index cf1c01e3cf..52581e9784 100644 --- a/target/arm/gdbstub.c +++ b/target/arm/gdbstub.c @@ -305,7 +305,7 @@ static void arm_register_sysreg_for_xml(gpointer key, g= pointer value, } } =20 -int arm_gen_dynamic_sysreg_xml(CPUState *cs, int base_reg) +static int arm_gen_dynamic_sysreg_xml(CPUState *cs, int base_reg) { ARMCPU *cpu =3D ARM_CPU(cs); GString *s =3D g_string_new(NULL); --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1676392378; cv=none; d=zohomail.com; s=zohoarc; b=M8nBAGT2g+87c8r8jNpEfgXLwMI2Q5moz0PFoTU5RLoW+vx3GMYKoWRQA3ua0ciFHCGg6psg2VSEvysmA7LINafoc1N8HsFESBPs02R6krqLIU5OKYmDMiecHzQZWCJIkIiVVwra+rdyV/69YrMLHGz0jIeOuxtILW1VdC8oGEU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1676392378; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=mvgiDpyQbdYw4jcH8pTJPq847zR7SPy67CXXghghUYE=; b=hLqNK8CEtOpLBDX0KhNRmVmKM7cFmcIuqcrWUy/7n2gkVjiaFffiLh4he+QyX3hqWfXh05j2Lg/P87r/E9R8cGJLEhyB0yGSlQ0xVhvhNPfuDpOG0O8PLPBTb8yRs+LZ0loCVysTniJiTq1foCBbiAXJ8GXHnbcPvKr6X/7mkIY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1676392378396557.4514609862586; Tue, 14 Feb 2023 08:32:58 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRyD0-0006ZC-TY; Tue, 14 Feb 2023 11:31:10 -0500 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 1pRyCr-0006R8-BA for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:02 -0500 Received: from mail-pg1-x52b.google.com ([2607:f8b0:4864:20::52b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pRyCo-00026g-HD for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:01 -0500 Received: by mail-pg1-x52b.google.com with SMTP id a23so10550842pga.13 for ; Tue, 14 Feb 2023 08:30:57 -0800 (PST) Received: from stoup.. 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.30.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:30:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=mvgiDpyQbdYw4jcH8pTJPq847zR7SPy67CXXghghUYE=; b=LZZ/dH8zlSqvMJYS02qMFGIvYKekLhRLiBgyZNz56bGgKKjSXMFtjqX61y/iPvOson AH7Bd/yIjCrpdubFKM3g7pce4ZHABuCzyKwmHbPSw+lkvjGXagJnto4S1D4awaf3v5Fh 1eC1plwyD3BxQm8/Y9L9Bsi0lHAj8FPb1DzbX3dpMsB30gEdvH5XQ0oTg5I27mIsrs3d x8K91G+4R5rq5qncvNNxNxDsmcUMDhIHjrlgFqDKswbJp7AGmVmX9csW/j6lMr14313D RJFhEp3tmAwk4VdQ/PXJ/I1vUQ3MdAVSft/capBicZu8+V3APKc6fL34zfwVov6iyJCp nJwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=mvgiDpyQbdYw4jcH8pTJPq847zR7SPy67CXXghghUYE=; b=oOVZcmMcAO9thS3WBt3MPeFIhfCukQK9mCyICGrW2aL9Rfk2JzmqT5qi91KwUM/by1 iKTVBttfMaENzHD/TNRrjxzeh7rSXE5/7zYB2pLSrxxpXBPM6eaS8ozbO07pA1GikjQl VMyuys2DQHVDcVA70b9XSIY2qTRfS1qt1LWYD7CGfbT/3RlBqt/a5uofTqiuiAzdNghZ /voiHoveHp6MxpACelaBFXZypTtzxwfofnCaG4GET+li7ABRORQX77ryZoyi49TsxOZO grWUVbx7MOElyXdXK0qqUjgUWKyxzjl+pas680166S/1IRfA6iUG5JWk5w8cG7hJ80RJ PayQ== X-Gm-Message-State: AO0yUKUYTGt8nf3nofpNt9/07xxfdXUZjrVGKm5ysfx3tHSLN8bRwMZr S7gAzYapjG4Lkd3ktP3pkMaw+pG4Qx+lzZ7ArkM= X-Google-Smtp-Source: AK7set/qOGl66TACFUduoxdI5RoTdIPYF6kRSHXT4yz1TuBRbBl956YMmSzbzRz/LOTCho/AY/fGzA== X-Received: by 2002:a62:cf03:0:b0:5a8:cf20:e35e with SMTP id b3-20020a62cf03000000b005a8cf20e35emr2487057pfg.3.1676392256006; Tue, 14 Feb 2023 08:30:56 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 03/14] target/arm: Move arm_gen_dynamic_svereg_xml to gdbstub64.c Date: Tue, 14 Feb 2023 06:30:37 -1000 Message-Id: <20230214163048.903964-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::52b; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52b.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 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: 1676392378938100001 Content-Type: text/plain; charset="utf-8" The function is only used for aarch64, so move it to the file that has the other aarch64 gdbstub stuff. Move the declaration to internals.h. Signed-off-by: Richard Henderson Reviewed-by: Fabiano Rosas --- target/arm/cpu.h | 6 --- target/arm/internals.h | 1 + target/arm/gdbstub.c | 120 ----------------------------------------- target/arm/gdbstub64.c | 118 ++++++++++++++++++++++++++++++++++++++++ 4 files changed, 119 insertions(+), 126 deletions(-) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index b2c49b3605..c9f768f945 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1110,12 +1110,6 @@ hwaddr arm_cpu_get_phys_page_attrs_debug(CPUState *c= pu, vaddr addr, int arm_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg); int arm_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); =20 -/* - * Helpers to dynamically generates XML descriptions of the sysregs - * and SVE registers. Returns the number of registers in each set. - */ -int arm_gen_dynamic_svereg_xml(CPUState *cpu, int base_reg); - /* Returns the dynamically generated XML for the gdb stub. * Returns a pointer to the XML contents for the specified XML file or NULL * if the XML name doesn't match the predefined one. diff --git a/target/arm/internals.h b/target/arm/internals.h index 69b5e7ba73..c98482561e 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1340,6 +1340,7 @@ static inline uint64_t pmu_counter_mask(CPUARMState *= env) } =20 #ifdef TARGET_AARCH64 +int arm_gen_dynamic_svereg_xml(CPUState *cpu, int base_reg); int aarch64_gdb_get_sve_reg(CPUARMState *env, GByteArray *buf, int reg); int aarch64_gdb_set_sve_reg(CPUARMState *env, uint8_t *buf, int reg); int aarch64_gdb_get_fpu_reg(CPUARMState *env, GByteArray *buf, int reg); diff --git a/target/arm/gdbstub.c b/target/arm/gdbstub.c index 52581e9784..bf8aff7824 100644 --- a/target/arm/gdbstub.c +++ b/target/arm/gdbstub.c @@ -322,126 +322,6 @@ static int arm_gen_dynamic_sysreg_xml(CPUState *cs, i= nt base_reg) return cpu->dyn_sysreg_xml.num; } =20 -struct TypeSize { - const char *gdb_type; - int size; - const char sz, suffix; -}; - -static const struct TypeSize vec_lanes[] =3D { - /* quads */ - { "uint128", 128, 'q', 'u' }, - { "int128", 128, 'q', 's' }, - /* 64 bit */ - { "ieee_double", 64, 'd', 'f' }, - { "uint64", 64, 'd', 'u' }, - { "int64", 64, 'd', 's' }, - /* 32 bit */ - { "ieee_single", 32, 's', 'f' }, - { "uint32", 32, 's', 'u' }, - { "int32", 32, 's', 's' }, - /* 16 bit */ - { "ieee_half", 16, 'h', 'f' }, - { "uint16", 16, 'h', 'u' }, - { "int16", 16, 'h', 's' }, - /* bytes */ - { "uint8", 8, 'b', 'u' }, - { "int8", 8, 'b', 's' }, -}; - - -int arm_gen_dynamic_svereg_xml(CPUState *cs, int base_reg) -{ - ARMCPU *cpu =3D ARM_CPU(cs); - GString *s =3D g_string_new(NULL); - DynamicGDBXMLInfo *info =3D &cpu->dyn_svereg_xml; - g_autoptr(GString) ts =3D g_string_new(""); - int i, j, bits, reg_width =3D (cpu->sve_max_vq * 128); - info->num =3D 0; - g_string_printf(s, ""); - g_string_append_printf(s, "= "); - g_string_append_printf(s, ""); - - /* First define types and totals in a whole VL */ - for (i =3D 0; i < ARRAY_SIZE(vec_lanes); i++) { - int count =3D reg_width / vec_lanes[i].size; - g_string_printf(ts, "svev%c%c", vec_lanes[i].sz, vec_lanes[i].suff= ix); - g_string_append_printf(s, - "", - ts->str, vec_lanes[i].gdb_type, count); - } - /* - * Now define a union for each size group containing unsigned and - * signed and potentially float versions of each size from 128 to - * 8 bits. - */ - for (bits =3D 128, i =3D 0; bits >=3D 8; bits /=3D 2, i++) { - const char suf[] =3D { 'q', 'd', 's', 'h', 'b' }; - g_string_append_printf(s, "", suf[i]); - for (j =3D 0; j < ARRAY_SIZE(vec_lanes); j++) { - if (vec_lanes[j].size =3D=3D bits) { - g_string_append_printf(s, "", - vec_lanes[j].suffix, - vec_lanes[j].sz, vec_lanes[j].suffi= x); - } - } - g_string_append(s, ""); - } - /* And now the final union of unions */ - g_string_append(s, ""); - for (bits =3D 128, i =3D 0; bits >=3D 8; bits /=3D 2, i++) { - const char suf[] =3D { 'q', 'd', 's', 'h', 'b' }; - g_string_append_printf(s, "", - suf[i], suf[i]); - } - g_string_append(s, ""); - - /* Finally the sve prefix type */ - g_string_append_printf(s, - "", - reg_width / 8); - - /* Then define each register in parts for each vq */ - for (i =3D 0; i < 32; i++) { - g_string_append_printf(s, - "", - i, reg_width, base_reg++); - info->num++; - } - /* fpscr & status registers */ - g_string_append_printf(s, "", base_reg++); - g_string_append_printf(s, "", base_reg++); - info->num +=3D 2; - - for (i =3D 0; i < 16; i++) { - g_string_append_printf(s, - "", - i, cpu->sve_max_vq * 16, base_reg++); - info->num++; - } - g_string_append_printf(s, - "", - cpu->sve_max_vq * 16, base_reg++); - g_string_append_printf(s, - "", - base_reg++); - info->num +=3D 2; - g_string_append_printf(s, ""); - cpu->dyn_svereg_xml.desc =3D g_string_free(s, false); - - return cpu->dyn_svereg_xml.num; -} - - const char *arm_gdb_get_dynamic_xml(CPUState *cs, const char *xmlname) { ARMCPU *cpu =3D ARM_CPU(cs); diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index c598cb0375..59fb5465d5 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -209,3 +209,121 @@ int aarch64_gdb_set_sve_reg(CPUARMState *env, uint8_t= *buf, int reg) =20 return 0; } + +struct TypeSize { + const char *gdb_type; + short size; + char sz, suffix; +}; + +static const struct TypeSize vec_lanes[] =3D { + /* quads */ + { "uint128", 128, 'q', 'u' }, + { "int128", 128, 'q', 's' }, + /* 64 bit */ + { "ieee_double", 64, 'd', 'f' }, + { "uint64", 64, 'd', 'u' }, + { "int64", 64, 'd', 's' }, + /* 32 bit */ + { "ieee_single", 32, 's', 'f' }, + { "uint32", 32, 's', 'u' }, + { "int32", 32, 's', 's' }, + /* 16 bit */ + { "ieee_half", 16, 'h', 'f' }, + { "uint16", 16, 'h', 'u' }, + { "int16", 16, 'h', 's' }, + /* bytes */ + { "uint8", 8, 'b', 'u' }, + { "int8", 8, 'b', 's' }, +}; + +int arm_gen_dynamic_svereg_xml(CPUState *cs, int base_reg) +{ + ARMCPU *cpu =3D ARM_CPU(cs); + GString *s =3D g_string_new(NULL); + DynamicGDBXMLInfo *info =3D &cpu->dyn_svereg_xml; + g_autoptr(GString) ts =3D g_string_new(""); + int i, j, bits, reg_width =3D (cpu->sve_max_vq * 128); + info->num =3D 0; + g_string_printf(s, ""); + g_string_append_printf(s, "= "); + g_string_append_printf(s, ""); + + /* First define types and totals in a whole VL */ + for (i =3D 0; i < ARRAY_SIZE(vec_lanes); i++) { + int count =3D reg_width / vec_lanes[i].size; + g_string_printf(ts, "svev%c%c", vec_lanes[i].sz, vec_lanes[i].suff= ix); + g_string_append_printf(s, + "", + ts->str, vec_lanes[i].gdb_type, count); + } + /* + * Now define a union for each size group containing unsigned and + * signed and potentially float versions of each size from 128 to + * 8 bits. + */ + for (bits =3D 128, i =3D 0; bits >=3D 8; bits /=3D 2, i++) { + const char suf[] =3D { 'q', 'd', 's', 'h', 'b' }; + g_string_append_printf(s, "", suf[i]); + for (j =3D 0; j < ARRAY_SIZE(vec_lanes); j++) { + if (vec_lanes[j].size =3D=3D bits) { + g_string_append_printf(s, "", + vec_lanes[j].suffix, + vec_lanes[j].sz, vec_lanes[j].suffi= x); + } + } + g_string_append(s, ""); + } + /* And now the final union of unions */ + g_string_append(s, ""); + for (bits =3D 128, i =3D 0; bits >=3D 8; bits /=3D 2, i++) { + const char suf[] =3D { 'q', 'd', 's', 'h', 'b' }; + g_string_append_printf(s, "", + suf[i], suf[i]); + } + g_string_append(s, ""); + + /* Finally the sve prefix type */ + g_string_append_printf(s, + "", + reg_width / 8); + + /* Then define each register in parts for each vq */ + for (i =3D 0; i < 32; i++) { + g_string_append_printf(s, + "", + i, reg_width, base_reg++); + info->num++; + } + /* fpscr & status registers */ + g_string_append_printf(s, "", base_reg++); + g_string_append_printf(s, "", base_reg++); + info->num +=3D 2; + + for (i =3D 0; i < 16; i++) { + g_string_append_printf(s, + "", + i, cpu->sve_max_vq * 16, base_reg++); + info->num++; + } + g_string_append_printf(s, + "", + cpu->sve_max_vq * 16, base_reg++); + g_string_append_printf(s, + "", + base_reg++); + info->num +=3D 2; + g_string_append_printf(s, ""); + info->desc =3D g_string_free(s, false); + + return info->num; +} --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.30.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:30:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=Grnio/H04PPuIGiRb3nIsuzzYqUqwsUO7rkz9vUiKr8=; b=KR5SR2gMQ2Q4nPkyvqJSrcqclkF32K46fkHwU5XrT1mC/jHjg56ECTqpH4qCKp2N2h Ja11as9yTO1ir0YTUd7+IUgxkDCr97ao/trMNVYvDx/Suq77DcAubp+zoTwM+V/OD1xc /Pest5Non4iwpkWRjW57gb8U9QtqLiMcj4Q0kurid2KCRoNjF0Zy7KWHM2hc8+16srXi SPhcx/fGl9DdR+5J4wg0J4X01P2R05AanV5racMvcZOvAMzu/wZwdtsmo6VsMOfrlAnG k5+OKna+IUCcYiPay/0miHFUKa69ftRD43BS7nM5f2LfL+055pbocRd9oLjBMS18c3J/ 3S/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=Grnio/H04PPuIGiRb3nIsuzzYqUqwsUO7rkz9vUiKr8=; b=hsdJQx/655ctonPzsu5g2+FNHMZA5ke07g4oD1OpNzEdbNQ1sp084D+NpYQHPZrdDM AE3Yi3zrD1yb1XnVkE+exmsPpCzLoWq8YT/l2r0R9YePOaSXOUSit1mT+a5O3q9WNl9y 6SutrylmFjJp593rnBEzrrSsX2dP1Cr7UoQiTbDrbuluH22u2H33iu0nWPM3TDA33hyp eF+1IMvVj+yDuWH/g+wxSgivzlpkt5OICrgfW8eXY1wpgKR4M9X90oiMDKShaIz9lPBU pRLYHECIF/rvfA0XkROWlQ+V4UMYNz2zRNLV9Wz0HEVnyMaw5+1oCxEmSL9lGc7oUfRM E8ww== X-Gm-Message-State: AO0yUKUVtUBeJYexEv7B3BOabHjVvuIJktGW38d72tWRkVpsAdqLdTtx Ok2bCVbu/l9hycjYkAH32DAgKPsq2TI8fIfUtrU= X-Google-Smtp-Source: AK7set+HNYfch3EBYOfoQjPd0j2fcXaRxVclSuAVJgG8vD67DBBZ4Yy+IIf/pVhfU1l7lUGoBc7YDA== X-Received: by 2002:aa7:9842:0:b0:594:15fd:895e with SMTP id n2-20020aa79842000000b0059415fd895emr2277535pfq.31.1676392257746; Tue, 14 Feb 2023 08:30:57 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 04/14] target/arm: Split out output_vector_union_type Date: Tue, 14 Feb 2023 06:30:38 -1000 Message-Id: <20230214163048.903964-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::52b; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52b.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 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: 1676392368845100003 Content-Type: text/plain; charset="utf-8" Create a subroutine for creating the union of unions of the various type sizes that a vector may contain. Signed-off-by: Richard Henderson Reviewed-by: Fabiano Rosas Reviewed-by: Peter Maydell --- target/arm/gdbstub64.c | 83 +++++++++++++++++++++++------------------- 1 file changed, 45 insertions(+), 38 deletions(-) diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 59fb5465d5..811833d8de 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -210,44 +210,39 @@ int aarch64_gdb_set_sve_reg(CPUARMState *env, uint8_t= *buf, int reg) return 0; } =20 -struct TypeSize { - const char *gdb_type; - short size; - char sz, suffix; -}; - -static const struct TypeSize vec_lanes[] =3D { - /* quads */ - { "uint128", 128, 'q', 'u' }, - { "int128", 128, 'q', 's' }, - /* 64 bit */ - { "ieee_double", 64, 'd', 'f' }, - { "uint64", 64, 'd', 'u' }, - { "int64", 64, 'd', 's' }, - /* 32 bit */ - { "ieee_single", 32, 's', 'f' }, - { "uint32", 32, 's', 'u' }, - { "int32", 32, 's', 's' }, - /* 16 bit */ - { "ieee_half", 16, 'h', 'f' }, - { "uint16", 16, 'h', 'u' }, - { "int16", 16, 'h', 's' }, - /* bytes */ - { "uint8", 8, 'b', 'u' }, - { "int8", 8, 'b', 's' }, -}; - -int arm_gen_dynamic_svereg_xml(CPUState *cs, int base_reg) +static void output_vector_union_type(GString *s, int reg_width) { - ARMCPU *cpu =3D ARM_CPU(cs); - GString *s =3D g_string_new(NULL); - DynamicGDBXMLInfo *info =3D &cpu->dyn_svereg_xml; + struct TypeSize { + const char *gdb_type; + short size; + char sz, suffix; + }; + + static const struct TypeSize vec_lanes[] =3D { + /* quads */ + { "uint128", 128, 'q', 'u' }, + { "int128", 128, 'q', 's' }, + /* 64 bit */ + { "ieee_double", 64, 'd', 'f' }, + { "uint64", 64, 'd', 'u' }, + { "int64", 64, 'd', 's' }, + /* 32 bit */ + { "ieee_single", 32, 's', 'f' }, + { "uint32", 32, 's', 'u' }, + { "int32", 32, 's', 's' }, + /* 16 bit */ + { "ieee_half", 16, 'h', 'f' }, + { "uint16", 16, 'h', 'u' }, + { "int16", 16, 'h', 's' }, + /* bytes */ + { "uint8", 8, 'b', 'u' }, + { "int8", 8, 'b', 's' }, + }; + + static const char suf[] =3D { 'q', 'd', 's', 'h', 'b' }; + g_autoptr(GString) ts =3D g_string_new(""); - int i, j, bits, reg_width =3D (cpu->sve_max_vq * 128); - info->num =3D 0; - g_string_printf(s, ""); - g_string_append_printf(s, "= "); - g_string_append_printf(s, ""); + int i, j, bits; =20 /* First define types and totals in a whole VL */ for (i =3D 0; i < ARRAY_SIZE(vec_lanes); i++) { @@ -263,7 +258,6 @@ int arm_gen_dynamic_svereg_xml(CPUState *cs, int base_r= eg) * 8 bits. */ for (bits =3D 128, i =3D 0; bits >=3D 8; bits /=3D 2, i++) { - const char suf[] =3D { 'q', 'd', 's', 'h', 'b' }; g_string_append_printf(s, "", suf[i]); for (j =3D 0; j < ARRAY_SIZE(vec_lanes); j++) { if (vec_lanes[j].size =3D=3D bits) { @@ -277,11 +271,24 @@ int arm_gen_dynamic_svereg_xml(CPUState *cs, int base= _reg) /* And now the final union of unions */ g_string_append(s, ""); for (bits =3D 128, i =3D 0; bits >=3D 8; bits /=3D 2, i++) { - const char suf[] =3D { 'q', 'd', 's', 'h', 'b' }; g_string_append_printf(s, "", suf[i], suf[i]); } g_string_append(s, ""); +} + +int arm_gen_dynamic_svereg_xml(CPUState *cs, int base_reg) +{ + ARMCPU *cpu =3D ARM_CPU(cs); + GString *s =3D g_string_new(NULL); + DynamicGDBXMLInfo *info =3D &cpu->dyn_svereg_xml; + int i, reg_width =3D (cpu->sve_max_vq * 128); + info->num =3D 0; + g_string_printf(s, ""); + g_string_append_printf(s, "= "); + g_string_append_printf(s, ""); + + output_vector_union_type(s, reg_width); =20 /* Finally the sve prefix type */ g_string_append_printf(s, --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1676392417; cv=none; d=zohomail.com; s=zohoarc; b=kDa7fL7zEgMzR+JJozKEshohBFnXWh0uzcHHwkQASFz1O798dq1GdDkMOChxXfHY4m7J22E31at98VOyVuMjwyVKmv+z9RQR39spqpEsKNl+4de585fVj8kYBXOM2KBIR2cxbzLvWGC9jn1gVdonQhb9+URhuLei26sEqtPY4hU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.30.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:30:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=FWhVmviwicT2773S7A8MT/igFkSHAUSa6nNXW5mbKWI=; b=EL+Q0afUZWALWE0ZQgN3DqWr6oayznMVqdivYIGV08XURh2X2O/KUOkKilNRe73ckM 5JiTyNodTIwJX+ZPsaIvEeJ2hbW/PPa4UvPuZ/uNk+Gwk1bOooZgGTZeNCWbInSEI/8c iW/uRMl5LvE90XFM5IIS3WZC5FZ/CvpwUluDDODXQA86hqvP8dz3zHS2pWWxEUsrkV89 jnucasEl+frTgf0igtpGC1YZksUKZ52W6paOQfwPaFxvTIY0j3UqeM0hQ421YUcO1ab9 dndKAK8oJM4QkZ/KN3hQbPxRIaGkiLIPcOQKFEpTtOcbXf6bTbzh+kfW7qznUcp/08WC mwbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=FWhVmviwicT2773S7A8MT/igFkSHAUSa6nNXW5mbKWI=; b=fgSLuosnjvzsheIl2d5Xu7HGIsHpFQdd4mAMpNQf+N/MibjHYgOop0BgWkdDpfcqgl cGgCzeQPHzZ3QHuSie/4x7u9IKU1yW48uq9BqG1Y4AJXI9PBQZg+hDUUefGG7vqbvIkL UCLYcISSkV46p2bykgx000oC/SDep9Xu7dn/wuXnqULXvvb8z4dUABqQQxAeycM/qWFW WYAlUGWXPMM1pD38WWx/ZuI0Bjytbu3gW07j0P4/Kk1MdPMiT/HkuadOLgI2sh0tzyha lpqa588pRKrZHBxIucjf0hsxjFm7XeyE0k+sUUM1wTYl67KGOlEfGsOJJmgZLQlH925u 300w== X-Gm-Message-State: AO0yUKVHNnaONsH0dD9m0K8QnDn2rLF1DkcYcGVycg7XID+rZbJvEb/j 9HjdtLWuHlCYQunLcMH3+TXtnRHVdQx1CzPyRtc= X-Google-Smtp-Source: AK7set9y4O/y3nh9ZbbFepEccC8X3cBBb0xXkn6NI22tO2qzn0cUpqvCxAIBBKxDeNBjiV8TkAmL9g== X-Received: by 2002:a05:6a20:938e:b0:bf:1662:b2f4 with SMTP id x14-20020a056a20938e00b000bf1662b2f4mr3403156pzh.49.1676392259167; Tue, 14 Feb 2023 08:30:59 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 05/14] target/arm: Simplify register counting in arm_gen_dynamic_svereg_xml Date: Tue, 14 Feb 2023 06:30:39 -1000 Message-Id: <20230214163048.903964-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::1035; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1035.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 autolearn=ham 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: 1676392419351100001 Content-Type: text/plain; charset="utf-8" Rather than increment base_reg and num, compute num from the change to base_reg at the end. Clean up some nearby comments. Signed-off-by: Richard Henderson --- target/arm/gdbstub64.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 811833d8de..8d174ff6e0 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -277,32 +277,35 @@ static void output_vector_union_type(GString *s, int = reg_width) g_string_append(s, ""); } =20 -int arm_gen_dynamic_svereg_xml(CPUState *cs, int base_reg) +int arm_gen_dynamic_svereg_xml(CPUState *cs, int orig_base_reg) { ARMCPU *cpu =3D ARM_CPU(cs); GString *s =3D g_string_new(NULL); DynamicGDBXMLInfo *info =3D &cpu->dyn_svereg_xml; - int i, reg_width =3D (cpu->sve_max_vq * 128); - info->num =3D 0; + int reg_width =3D cpu->sve_max_vq * 128; + int base_reg =3D orig_base_reg; + int i; + g_string_printf(s, ""); g_string_append_printf(s, "= "); g_string_append_printf(s, ""); =20 + /* Create the vector union type. */ output_vector_union_type(s, reg_width); =20 - /* Finally the sve prefix type */ + /* Create the predicate vector type. */ g_string_append_printf(s, "", reg_width / 8); =20 - /* Then define each register in parts for each vq */ + /* Define the vector registers. */ for (i =3D 0; i < 32; i++) { g_string_append_printf(s, "", i, reg_width, base_reg++); - info->num++; } + /* fpscr & status registers */ g_string_append_printf(s, "", base_reg++); - info->num +=3D 2; =20 + /* Define the predicate registers. */ for (i =3D 0; i < 16; i++) { g_string_append_printf(s, "", cpu->sve_max_vq * 16, base_reg++); + + /* Define the vector length pseudo-register. */ g_string_append_printf(s, "", base_reg++); - info->num +=3D 2; - g_string_append_printf(s, ""); - info->desc =3D g_string_free(s, false); =20 + g_string_append_printf(s, ""); + + info->desc =3D g_string_free(s, false); + info->num =3D base_reg - orig_base_reg; return info->num; } --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1676392355; cv=none; d=zohomail.com; s=zohoarc; b=NjDk8bjUYS4Qg3dquSceJDHuN+0EYPHq0LISUJvNGzFyd5ZuR2uM1jX2EwAOpSVRrAMDEn/CyRyjKQRzaLX+J1D877TfGP7/y+D0HokqJRUREJYVoYeHFrHuGlwsrG4EsDmtqhLHIc7w9Ivtb6BUFnohkO+XgxqJGj67gJUswzw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1676392355; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=xtIpJs6CDJTguU2qwCAmHY7gW26H1KWvwqoyvB56KYY=; b=LK+bgs85DyeFetSS4UHvmnEnJI8yPJ9er37tLBvumXjYjW4rORJRUBect4T4xejpG3ClwBK1AlFoYVuR6g/6RaCEczZUoniKvk9ogkauChmE4Y67cJflSrejjuXsOJC0wDHcbrCWhPrAzekgdVOZMoyoHMHR+SIA1yj/sL39vv0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1676392355064493.2330478903382; Tue, 14 Feb 2023 08:32:35 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRyD4-0006i5-GN; Tue, 14 Feb 2023 11:31:14 -0500 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 1pRyCu-0006St-CM for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:04 -0500 Received: from mail-pf1-x435.google.com ([2607:f8b0:4864:20::435]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pRyCs-00028X-KX for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:03 -0500 Received: by mail-pf1-x435.google.com with SMTP id bd35so5539783pfb.6 for ; Tue, 14 Feb 2023 08:31:01 -0800 (PST) Received: from stoup.. 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.30.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:31:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=xtIpJs6CDJTguU2qwCAmHY7gW26H1KWvwqoyvB56KYY=; b=evHAF1AidzM+LkqXq+fgXah0HUl9BGOPSXyS+rOef2t9j7l6bnUdAUsM2JMuV+Q3Lb b+nX5d4GZsdK6iqeCrGVHyiyAyQyzkbp6ElJ/qA0aOj3nsR1T0XHys6RFgzyeDpz9fPa Vu7DgZ3em6bvS6qZW8hlATL052OGwrdKUaH4W9HLjXcIXNfp1WGjiGI98dnA5yarShxt R12Edr7GAqE9akcsvWnydvvCTdBEwYsGiWU+HVd4nXR7sF+CEUCHnnPoBZNl0+58ztJu mBMHUPgF4xcg8JrGW8K1SfgNXym3XGrdaHUDxOaEPlz/tihU+it4XxEXCBzpZzjHVcJo zlWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::435; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x435.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 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: 1676392356638100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Fabiano Rosas --- target/arm/gdbstub64.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 8d174ff6e0..02a0256c5c 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -283,6 +283,7 @@ int arm_gen_dynamic_svereg_xml(CPUState *cs, int orig_b= ase_reg) GString *s =3D g_string_new(NULL); DynamicGDBXMLInfo *info =3D &cpu->dyn_svereg_xml; int reg_width =3D cpu->sve_max_vq * 128; + int pred_width =3D cpu->sve_max_vq * 16; int base_reg =3D orig_base_reg; int i; =20 @@ -319,14 +320,14 @@ int arm_gen_dynamic_svereg_xml(CPUState *cs, int orig= _base_reg) g_string_append_printf(s, "", - i, cpu->sve_max_vq * 16, base_reg++); + i, pred_width, base_reg++); info->num++; } g_string_append_printf(s, "", - cpu->sve_max_vq * 16, base_reg++); + pred_width, base_reg++); =20 /* Define the vector length pseudo-register. */ g_string_append_printf(s, --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1676392440; cv=none; d=zohomail.com; s=zohoarc; b=GiORriyvmHRa4VK4azE3DImLnrH18akNIvSgZT/+h7F/vCtpEePfJZ+h4pky2NuO4my5LHdZ/WepGRygiwWQgn/AY3eN4TyOKTXUPt9HelkHjiRs02E9uvo87JpfJZBSXogYxMtnDswtaYhEW51iYeKhOB9IbjO5NurcXS9pRl8= ARC-Message-Signature: i=1; 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.31.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:31:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=DHtifVEb490wvqlj18C8e7MT6laK9IGTMe9tkX1/5mQ=; b=iLrf6cVvPRaxm9SqmCbpUOmcDb0O/r2uPKIEzYVfG2GVkMWN734F24AChU75ahNPGW R4QlwKd6yk4ZmAL59P1N0kslEM3pSP/ql2YEcCLMqqdOlU38/hIrnp5UphDVsGvIVqfM VRrWvGTiqIQUCJwijhz8sjjhkIwVHSUC0ZfnDh3wVEyQfM1bKIMqM3TPpCCqIchGJUrI o+V2rgeh8pgs1C7l1+UmTZEu+c2TF1KNkrv/j2b0dk631km7knaDuKT/ZF6ZVpvlEMKK crvdPRCBulZTybfQOiQH7mdJ3FvwaZrhucX1CboDr+9UbIIhRNShagsqPN6OkddVFJxN 10Jw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=DHtifVEb490wvqlj18C8e7MT6laK9IGTMe9tkX1/5mQ=; b=hSfMUDbyhOnRK2HbF90rqdW+jfI3L3q60nRHpjGERDz9Yv5aDXYdVI2nsvbS6bZ0TF IKxTyTw3ClqfVRCDuOaguz8DHwE50yCyUr7uPrDFjGDX9jBFjxnovYFxOYJfqOAfIP0e JLQ57rXCcZvNQNVssE3Q/e5paaqNMsLm4YvGOMJvvrAJHNpoqIYfT0wvZoSsDqJhOVsp h1GJjDmLlskYlMsrgnoNfnr5xKTXgp8mXRld1Gm9iV5Op9rpzmyBFtXZ4Mcnj0+K/VuP R5HkEf/S4KB4hiNIS7jEFTzrJnSg1jv3VYB7yh0yhaISKcgcHhj7wD9Mh5hQUdUQ4Nxe yqWQ== X-Gm-Message-State: AO0yUKWdLv4fAm7ilwRmzgq7NawiUT6k8genaAPygg6d5Zcccp78q13L yVDlKystCm/fYSnZI5xWwitVDzCMv7tvXv8lw5s= X-Google-Smtp-Source: AK7set/+swzCfA9s+snhw0VY0qQrBQZgipWBM91LRcaPoFC73qVX7c9aXTkmCnz7bDJvm4RWz0gTYw== X-Received: by 2002:a05:6a20:394b:b0:c3:cc65:165c with SMTP id r11-20020a056a20394b00b000c3cc65165cmr3773521pzg.61.1676392262149; Tue, 14 Feb 2023 08:31:02 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 07/14] target/arm: Fix svep width in arm_gen_dynamic_svereg_xml Date: Tue, 14 Feb 2023 06:30:41 -1000 Message-Id: <20230214163048.903964-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::632; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x632.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 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: 1676392441441100009 Content-Type: text/plain; charset="utf-8" Define svep based on the size of the predicates, not the primary vector registers. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/gdbstub64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 02a0256c5c..ec61211949 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -297,7 +297,7 @@ int arm_gen_dynamic_svereg_xml(CPUState *cs, int orig_b= ase_reg) /* Create the predicate vector type. */ g_string_append_printf(s, "", - reg_width / 8); + pred_width / 8); =20 /* Define the vector registers. */ for (i =3D 0; i < 32; i++) { --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1676392400; cv=none; d=zohomail.com; s=zohoarc; b=gXiiEbbhcml6VBei0HOqAzCn1fzB5lTxpd3O8CmGqyexfF99LDIxFbq1Kcr40U2oROfaBSx014sTieFnv1ZwgQ+Sa+yU7Y2UD+s8GxcDEocyKs/xKgPFeRY6S51B6Mph8/J5ZQMR2HPqJZBneZ698Miaoq//sX7dMDlVPuOVHKs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1676392400; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=5U6nLfif2wOhX5Oed2Osbgbcfi6KWrVp6W4p+qPIqc0=; b=hUl6Ltqu2Efe7e6YToxVkns8d6XpP1DC9nAZOybW4sOoLeEPHBV9OUy5Lng1lPvMWZ1/DIKAJSLztvOlBKE9DrZzV7mWZ3n+cY8u1iVbSOyZb3kx80jQVUKnYGie5C38Infx0l1qQ7SeKcAD5JBAR0ZFG0An3clV+J9TFJ/b1rs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1676392400241352.74437093478764; Tue, 14 Feb 2023 08:33:20 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRyDA-0006vJ-Ex; Tue, 14 Feb 2023 11:31:20 -0500 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 1pRyCw-0006U4-Kf for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:08 -0500 Received: from mail-pl1-x632.google.com ([2607:f8b0:4864:20::632]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pRyCu-00029e-UF for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:06 -0500 Received: by mail-pl1-x632.google.com with SMTP id m2so17587859plg.4 for ; Tue, 14 Feb 2023 08:31:04 -0800 (PST) Received: from stoup.. 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.31.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:31:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=5U6nLfif2wOhX5Oed2Osbgbcfi6KWrVp6W4p+qPIqc0=; b=s7Sbpvi1x4KFz8X1u42VgCuTs0I5lffWQgHWaT4+sLah1SSQOz8gy4IaTPyiFPkKqB ES5TfK2Te+d3wHfXGHPYPw9XaA2Zd9TY2r/4EJPdx8SHhA6hcPLuP3BGX0MuBg7YqMfx oSD/b/zT0R8pqdNXrVLrdzOpO7gCsVVEaXDb/uAS9qJFSeUok44l4xemhDBkZI1z/VGG 9esjCx+yjORiES/rNGRrE/hEC95JFPpQl5efYL1BZe3mNsnSZmaDqibTCiJv6yahuk1Y ofjBwK1/BN4fqQzoR+rAiMfnUlR/lmE0wXZbBi6oeVwrj1rNfQnd0NFzSqjRSICMB0iJ LgRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=5U6nLfif2wOhX5Oed2Osbgbcfi6KWrVp6W4p+qPIqc0=; b=z8NvjZ0/jCzEM5fHK2v1lcfx3R6tQyQrdzeOSma73K1VB7XxnTxkMnhck/vRUx6jmA 1tCQ0MVLR3KBiG7WQY8H2rLgv0/xo52hCVQWlddk/JzlWL8gYU73/c6bx4roIzTThL/s 76Nd0gauCw5H2Y1ZxQprPztRgq7BHTgfRruN5FUZp3SoxLuiKsZywDfiQ9shmSUhHJOR 5wiKTm/HmDb1Pp5dlPltMGuzx+kuitijCBKUyDFrWlkEnkSGTHeU37J9BSay8YdqTV4I qZ0MoleMy6Y8I/vkyLO/lDS8izEzrxH1d5hG8wYA50rGbkPd0wfQr2B6qaanbZAfrerh rQ2A== X-Gm-Message-State: AO0yUKVhv5mmdZhyUc3JeFUaaZ+osjNFusLnuTGYQ+eK6o6Swz5cW2XT I115eiO4U7Uhf8w3uwWd/G5TwPrKfUNToOOSfJE= X-Google-Smtp-Source: AK7set+x934TCRRnGKm88ZtLm7cU/NGvrmfcgDT+NqiRL32HD795RZpBd8fabbzYGbt9VKI6RUJSEg== X-Received: by 2002:a05:6a21:3397:b0:bc:b98c:a8b3 with SMTP id yy23-20020a056a21339700b000bcb98ca8b3mr3401198pzb.32.1676392263607; Tue, 14 Feb 2023 08:31:03 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 08/14] target/arm: Add name argument to output_vector_union_type Date: Tue, 14 Feb 2023 06:30:42 -1000 Message-Id: <20230214163048.903964-9-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::632; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x632.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 autolearn=ham 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: 1676392401164100001 Content-Type: text/plain; charset="utf-8" This will make the function usable between SVE and SME. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/gdbstub64.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index ec61211949..166cb288cd 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -210,7 +210,8 @@ int aarch64_gdb_set_sve_reg(CPUARMState *env, uint8_t *= buf, int reg) return 0; } =20 -static void output_vector_union_type(GString *s, int reg_width) +static void output_vector_union_type(GString *s, int reg_width, + const char *name) { struct TypeSize { const char *gdb_type; @@ -240,39 +241,38 @@ static void output_vector_union_type(GString *s, int = reg_width) }; =20 static const char suf[] =3D { 'q', 'd', 's', 'h', 'b' }; - - g_autoptr(GString) ts =3D g_string_new(""); int i, j, bits; =20 /* First define types and totals in a whole VL */ for (i =3D 0; i < ARRAY_SIZE(vec_lanes); i++) { - int count =3D reg_width / vec_lanes[i].size; - g_string_printf(ts, "svev%c%c", vec_lanes[i].sz, vec_lanes[i].suff= ix); g_string_append_printf(s, - "", - ts->str, vec_lanes[i].gdb_type, count); + "", + name, vec_lanes[i].sz, vec_lanes[i].suffix, + vec_lanes[i].gdb_type, reg_width / vec_lane= s[i].size); } + /* * Now define a union for each size group containing unsigned and * signed and potentially float versions of each size from 128 to * 8 bits. */ for (bits =3D 128, i =3D 0; bits >=3D 8; bits /=3D 2, i++) { - g_string_append_printf(s, "", suf[i]); + g_string_append_printf(s, "", name, suf[i]); for (j =3D 0; j < ARRAY_SIZE(vec_lanes); j++) { if (vec_lanes[j].size =3D=3D bits) { - g_string_append_printf(s, "", - vec_lanes[j].suffix, + g_string_append_printf(s, "", + vec_lanes[j].suffix, name, vec_lanes[j].sz, vec_lanes[j].suffi= x); } } g_string_append(s, ""); } + /* And now the final union of unions */ - g_string_append(s, ""); + g_string_append_printf(s, "", name); for (bits =3D 128, i =3D 0; bits >=3D 8; bits /=3D 2, i++) { - g_string_append_printf(s, "", - suf[i], suf[i]); + g_string_append_printf(s, "= ", + suf[i], name, suf[i]); } g_string_append(s, ""); } @@ -292,7 +292,7 @@ int arm_gen_dynamic_svereg_xml(CPUState *cs, int orig_b= ase_reg) g_string_append_printf(s, ""); =20 /* Create the vector union type. */ - output_vector_union_type(s, reg_width); + output_vector_union_type(s, reg_width, "svev"); =20 /* Create the predicate vector type. */ g_string_append_printf(s, --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1676392355; cv=none; d=zohomail.com; s=zohoarc; b=ayju3s/SSPOw9odXq1ojgBcW9WjiDYZ7BUG2n8flXFlaY1ZYl57jqWGOv+CH2DwuPgPrr5gBfyl+NP9abA703jrkMkbHu5qYCYWr8/sobgVN1o+Zv/8C2s1f/aUjfCo+b7tKDwTV7/dTEL8MMd4ZVQdNiaNvKQQQZdLKhk04UWA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1676392355; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=YRBnSRYi8o+DLHiV3s59zUytH0Yp49LyljZa3CvYZ4E=; b=aCqx0vN3YlMXunVrmg+Mt7AWweiZlRAGeRxLAm/gHYvlIREOfS9xQXJJiKw71bsbJUpcxbbeauwBxbmWt4hfQjXKezFZlD7YfnWihNpXNsAqqhVpGmO2ID4OXQD8l9bJetTCfNy6SgJUviEF8RssmyPcQKRGaiRog5omcSv+ASE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1676392355822222.54598454374184; Tue, 14 Feb 2023 08:32:35 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRyDC-0006wS-10; Tue, 14 Feb 2023 11:31:22 -0500 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 1pRyCy-0006Ur-8M for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:08 -0500 Received: from mail-pg1-x532.google.com ([2607:f8b0:4864:20::532]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pRyCw-0002AM-NO for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:07 -0500 Received: by mail-pg1-x532.google.com with SMTP id v3so10583660pgh.4 for ; Tue, 14 Feb 2023 08:31:06 -0800 (PST) Received: from stoup.. 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.31.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:31:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=YRBnSRYi8o+DLHiV3s59zUytH0Yp49LyljZa3CvYZ4E=; b=fWI7kDHiT7X3OmtkOyNQejdpwA6XhJG97IZ4mlR8XOHBF9sbzjzBso/ASVPcE5VkyA +dh1/9QZOdvIdOty38ZgMaMlxIDNVknzr7yXmI7q8hLexL5+YaKNHol4UR5A4eYZd0Vs LtLhynCf1Y4tacrWoZN3n380YV65rgPD6Dv+QWRgHfpcqZbuw3kw0Ui6b8B51z57IS9t QM6TS4KO2PjDWtQhq4ZCR+cPxG4xvg2Sqr5y57WuTiGVUvZObcshcsLQB4YccoCvxEMb CogtbZaSc7tAYc2OzSk+q7uQVsqtLtLRx/edfnRrxV7IdigeEF9VV+RDEKOqafgpa5J3 29ng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=YRBnSRYi8o+DLHiV3s59zUytH0Yp49LyljZa3CvYZ4E=; b=lX0nvv+xp66LKCH7Aui1+zVv3QVVgR5j056uQYMXuEXJbRwURD/9fR6E9lt2BOtWlI aZiqw6SbVFBSbO+AlmuGTollirINa9xG45Jxy6oNi0K2mIy3qZTJ2qBsi0nMc5oI7U7b jc+BvliVWjJ88kgbmYDUABT9/Wk7yXy23FkwZrg/n8Hrd1GeS05SgbzRLkAOfVu/NzOP eVFz6n4jRoxlE0TBw4kpdoLiw59UklUaIhrpAhgCW+OmUl1I/yIhLcU56lV4gcb8awEL DtSLefYZbjimStVu8pWUXPVR1iTcsEVY1p+7teXq50IGlrvLQVMU+1ZRua/qnIoCVsZi Lqug== X-Gm-Message-State: AO0yUKWpBmkax5XfJMQyzLoGdtJqY/Oa4mfv7EsoKVclXjG/386ZGzzB ixys3dL0DaEyDx7B/dtd8ODgdi5eT2Ji+PWwl8w= X-Google-Smtp-Source: AK7set/wqIYXasY4LLNYB3x1tRfHcRwLdTop4flxTxI6NRTGqzbXPh8mw6sDzfYWLETPRa8WhUJwfw== X-Received: by 2002:a62:17c3:0:b0:5a8:aa1d:30e9 with SMTP id 186-20020a6217c3000000b005a8aa1d30e9mr2275115pfx.18.1676392265265; Tue, 14 Feb 2023 08:31:05 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 09/14] target/arm: Simplify iteration over bit widths Date: Tue, 14 Feb 2023 06:30:43 -1000 Message-Id: <20230214163048.903964-10-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::532; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x532.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 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: 1676392356647100002 Content-Type: text/plain; charset="utf-8" Order suf[] by the log8 of the width. Use ARRAY_SIZE instead of hard-coding 128. This changes the order of the union definitions, but retains the order of the union-of-union members. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/gdbstub64.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 166cb288cd..a6a8e7eb40 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -240,8 +240,8 @@ static void output_vector_union_type(GString *s, int re= g_width, { "int8", 8, 'b', 's' }, }; =20 - static const char suf[] =3D { 'q', 'd', 's', 'h', 'b' }; - int i, j, bits; + static const char suf[] =3D { 'b', 'h', 's', 'd', 'q' }; + int i, j; =20 /* First define types and totals in a whole VL */ for (i =3D 0; i < ARRAY_SIZE(vec_lanes); i++) { @@ -256,7 +256,9 @@ static void output_vector_union_type(GString *s, int re= g_width, * signed and potentially float versions of each size from 128 to * 8 bits. */ - for (bits =3D 128, i =3D 0; bits >=3D 8; bits /=3D 2, i++) { + for (i =3D 0; i < ARRAY_SIZE(suf); i++) { + int bits =3D 8 << i; + g_string_append_printf(s, "", name, suf[i]); for (j =3D 0; j < ARRAY_SIZE(vec_lanes); j++) { if (vec_lanes[j].size =3D=3D bits) { @@ -270,7 +272,7 @@ static void output_vector_union_type(GString *s, int re= g_width, =20 /* And now the final union of unions */ g_string_append_printf(s, "", name); - for (bits =3D 128, i =3D 0; bits >=3D 8; bits /=3D 2, i++) { + for (i =3D ARRAY_SIZE(suf) - 1; i >=3D 0; i--) { g_string_append_printf(s, "= ", suf[i], name, suf[i]); } --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1676392327; cv=none; d=zohomail.com; s=zohoarc; b=bUzTLFLFd9f8b79Qh7tpv4BrfLBkZQaZYcyLEQQ+5F0bCUI8PQjZz/YXdEr5rDjt/Os/DI//7Jyl1xoUCud86ZFQl1unvMEM6zzDHFBdPrL90a+zc4sZEZAUN2Ai1imLaTAuaCa6uExZre1cCBUlFRRAKkdlRjHjlnAYBsgfHbI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1676392327; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=O4L2aD/rteJmwpjNgOeST3MFgjCAfq0kho6AOw6LVxY=; b=ds52TD5MCWxpUcVpxWFwSfSWBE8uGuUxsrI/YDMeJhnaCtKb4mukK5f47Xw9YSAQ6Vcg9LWPWEiNe5geQw1fJOUY4adjGi5I0WL7rf689zwMpma4YgvTEegLQiTgZQQn88pTDfuwO/dpuFWgw8Gxg6CdpRfgVer4ZBEtjlNr8/0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1676392327059490.10174640671266; Tue, 14 Feb 2023 08:32:07 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRyD3-0006f0-E4; Tue, 14 Feb 2023 11:31:13 -0500 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 1pRyCz-0006Xz-S2 for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:09 -0500 Received: from mail-pf1-x42f.google.com ([2607:f8b0:4864:20::42f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pRyCy-0002At-4n for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:09 -0500 Received: by mail-pf1-x42f.google.com with SMTP id r3so5117261pfh.4 for ; Tue, 14 Feb 2023 08:31:07 -0800 (PST) Received: from stoup.. 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.31.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:31:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=O4L2aD/rteJmwpjNgOeST3MFgjCAfq0kho6AOw6LVxY=; b=FNOu001baRn9xqSHxQFP4GwVirZu96YX/ixq4QQuhAVb/JhOJDPCkEwRsmgNneYlYn 0Yz9z8+etztjbDdKfEUfVraiWaSdki9nTnSDNUocFQjJltWPS9h/QO14unh2JGD4791H Mibh7RWSjcBI3nsdBDJyaYh6ZiBl05PXoIhh3xvNoteYtR1A9Ecmo+ws1mP4MpwwZmca 5XAEb6tEpXkAF57FlBiFTAdx23xsUKameIrRgLhS/SYJVvd6pUikQ1fKmIsc0t4mww5B ANE+vRDrVM21SRy3hG3/p2vJTtAtsIJRLMTv7cWIFzO43Q5SPOFR9HQtF1deTs629CO7 iWJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=O4L2aD/rteJmwpjNgOeST3MFgjCAfq0kho6AOw6LVxY=; b=qXFKIIMjy5Coquw+f0R+Np2UduRrLPWu/vtEbDJTorfeW5imq1VjEAMOnC6LXZqQQI 7A8SoB53Glo1MouIObMxJw3D5j30Iw+gzTh4ClbCFSRA0ERMpUACoQpBa2+sV4/8wq2U Cgpq+VXU+rrrrgs7egwoKl17HJJs4kK1XNwtX6/J3E7857wxrVCZ7dbo+N12HhdYrUiz SfjFAEIlbfyStqTWAJHYYpixU94+wsqe8DoHRmS3zW+cwhSZEI1AhvJLQoX4b+JLaNSw npZi2dumpFsJCaQG537F98tqA0dvmk558t6p9wu6KaKXqx8UPYaKbIlhgOvQYv2JNZdx 5Mdg== X-Gm-Message-State: AO0yUKUrLqWD6BCrfvReqOVz5XxmzBA/4bWOGsyM91qWV5DGDujWnjhM EazD+g+70nEc5to/BbZRzLi1CphB1Lj6uJTQWAI= X-Google-Smtp-Source: AK7set8UxuVZNaGvI2w1yrJ9ORg0TJYPd4DOh5FoaKX7jJE2UFc5zBYgspva1RWSkUIodFCk5MswGw== X-Received: by 2002:a62:5b86:0:b0:5a8:5246:73eb with SMTP id p128-20020a625b86000000b005a8524673ebmr2621766pfb.33.1676392266680; Tue, 14 Feb 2023 08:31:06 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 10/14] target/arm: Create pauth_ptr_mask Date: Tue, 14 Feb 2023 06:30:44 -1000 Message-Id: <20230214163048.903964-11-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::42f; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42f.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 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: 1676392327664100001 Content-Type: text/plain; charset="utf-8" Keep the logic for pauth within pauth_helper.c, and expose a helper function for use with the gdbstub pac extension. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/internals.h | 10 ++++++++++ target/arm/pauth_helper.c | 26 ++++++++++++++++++++++---- 2 files changed, 32 insertions(+), 4 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index c98482561e..bb3983645d 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1364,6 +1364,16 @@ int exception_target_el(CPUARMState *env); bool arm_singlestep_active(CPUARMState *env); bool arm_generate_debug_exceptions(CPUARMState *env); =20 +/** + * pauth_ptr_mask: + * @env: cpu context + * @ptr: selects between TTBR0 and TTBR1 + * @data: selects between TBI and TBID + * + * Return a mask of the bits of @ptr that contain the authentication code. + */ +uint64_t pauth_ptr_mask(CPUARMState *env, uint64_t ptr, bool data); + /* Add the cpreg definitions for debug related system registers */ void define_debug_regs(ARMCPU *cpu); =20 diff --git a/target/arm/pauth_helper.c b/target/arm/pauth_helper.c index d0483bf051..20f347332d 100644 --- a/target/arm/pauth_helper.c +++ b/target/arm/pauth_helper.c @@ -339,14 +339,32 @@ static uint64_t pauth_addpac(CPUARMState *env, uint64= _t ptr, uint64_t modifier, return pac | ext | ptr; } =20 -static uint64_t pauth_original_ptr(uint64_t ptr, ARMVAParameters param) +static uint64_t pauth_ptr_mask_internal(ARMVAParameters param) { - /* Note that bit 55 is used whether or not the regime has 2 ranges. */ - uint64_t extfield =3D sextract64(ptr, 55, 1); int bot_pac_bit =3D 64 - param.tsz; int top_pac_bit =3D 64 - 8 * param.tbi; =20 - return deposit64(ptr, bot_pac_bit, top_pac_bit - bot_pac_bit, extfield= ); + return MAKE_64BIT_MASK(bot_pac_bit, top_pac_bit - bot_pac_bit); +} + +static uint64_t pauth_original_ptr(uint64_t ptr, ARMVAParameters param) +{ + uint64_t mask =3D pauth_ptr_mask_internal(param); + + /* Note that bit 55 is used whether or not the regime has 2 ranges. */ + if (extract64(ptr, 55, 1)) { + return ptr | mask; + } else { + return ptr & ~mask; + } +} + +uint64_t pauth_ptr_mask(CPUARMState *env, uint64_t ptr, bool data) +{ + ARMMMUIdx mmu_idx =3D arm_stage1_mmu_idx(env); + ARMVAParameters param =3D aa64_va_parameters(env, ptr, mmu_idx, data); + + return pauth_ptr_mask_internal(param); } =20 static uint64_t pauth_auth(CPUARMState *env, uint64_t ptr, uint64_t modifi= er, --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1676392441; cv=none; d=zohomail.com; s=zohoarc; b=WZgLIt87TYFgFZUbtHVa/whSPIktHgJhbGoqmKgJ9IM/zQZ9W2rl/MAYpRvDgiFm6e3BzUrnPi8P39hkG+Wqw2/1kaX7pXDZGzHNyX+VG5YgyH59wEb53LYOjLrcv2XDeIW4RBKazZMo0+uUmGgtyInRlTfgFbJGZu+Xe6M6DhY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1676392441; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=I2TaPq9VaeUx5FG1r+qvVw6gD0hnlJ7wu2KVNSomLWo=; b=YOY4z8i9om4XPw+uxUqjaq2OUiS/H1tb2/S4i+YUiEpRUzcRwcXCySaQeLPn8JFfuVabZt5g0yWcarw9KMQMTrymzgA3v7cyhbuvMsOOAf4rjfReZqQ2YmrZ/wgo2bXvP3ScgrKYYHT1ljcO+4CT1+175wTZySjN7jx8ERRmy/s= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1676392441297509.1913407458484; Tue, 14 Feb 2023 08:34:01 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRyD5-0006jY-Fs; Tue, 14 Feb 2023 11:31:15 -0500 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 1pRyD2-0006a4-4T for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:12 -0500 Received: from mail-pf1-x444.google.com ([2607:f8b0:4864:20::444]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pRyCz-0002Bf-OF for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:11 -0500 Received: by mail-pf1-x444.google.com with SMTP id s20so10546904pfe.2 for ; Tue, 14 Feb 2023 08:31:09 -0800 (PST) Received: from stoup.. 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.31.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:31:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=I2TaPq9VaeUx5FG1r+qvVw6gD0hnlJ7wu2KVNSomLWo=; b=jOFtG0jQ0SzmgP/5Za2Gq4Vz1T3ikmlbo/6ypCyMxF+jiMS2go9SVKqzc6NAvRiTlB mp7mQyeQ2Jx0FxGE+TYTSlDWWemvboK+1drXO/Si+M9vXwcgIFdH+o5VY4iHiAEhpBb5 hfUo3b3GT5a8hE9FsanqFtJfOTdQRt30UyYfweFXzQDBP/hTgz83bRHCxjgG/gE+17rU QWtVwzdcpGz+Hlnp8+L334L/0Zs/Xzmxi5mbUBUzPmoODJwTsgrKsA8SM54CZsp4Q6ba T8BTzK92T0hVHD0vRQ1QM4Xkaeb6q6nTL1A/WJCIPI2G85WtYezZseQSYsXM1vkLjewX MskQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=I2TaPq9VaeUx5FG1r+qvVw6gD0hnlJ7wu2KVNSomLWo=; b=LjIRmYNA3h8fUw5vqZex18wDK09Yf/xOCSJs5LXvBadoJT7RrpQFMX8YG34Dar26WX TJi/mNZ9FGTTK8h9ZbsZN+ZN//ndQQdvXY1Opo7xvdqBhM6zf4KTyKu/OLyTeQ8q1fw9 UgkQXgFUOpgvldY7yMT8Fhcb+zoDFa9n/U0RzQpEgSkuHsELJfG3KtEnV3YE3pT7tTiN d5zksK9oJa48KPNjouD+W07BOWRTT48jwKVg+V4oagHgv0jeXoZlc84e5xWFw+ebGSSo 4hG4/Itz3AUAGkGdbg5okLsnFF4zDD5RRcFl1nUqXtNFSVOyK7ASWFk7F2evpH4kY+2Q mrRw== X-Gm-Message-State: AO0yUKXY4QlbUnZ8u0eLYsVzUTN2NfSoItWhbup3F2MuWneHQSo2DzPb X+qD5DVfWrP5G7IBc5L3UxP2ekyVbFAhuQSkqvlqMA== X-Google-Smtp-Source: AK7set+VmPrGEc+SfT5RaRPOb5oU35GtMa2KsVzSuk00THAMQaZ6+M54ZEZP/fPehdZBK4pbMgM0hw== X-Received: by 2002:aa7:9f49:0:b0:5a8:c90d:ab17 with SMTP id h9-20020aa79f49000000b005a8c90dab17mr2561378pfr.15.1676392268321; Tue, 14 Feb 2023 08:31:08 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Luis Machado , Thiago Jung Bauermann Subject: [PATCH 11/14] target/arm: Implement gdbstub pauth extension Date: Tue, 14 Feb 2023 06:30:45 -1000 Message-Id: <20230214163048.903964-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::444; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x444.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 autolearn=ham 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: 1676392443517100015 Content-Type: text/plain; charset="utf-8" The extension is primarily defined by the Linux kernel NT_ARM_PAC_MASK ptrace register set. The original gdb feature consists of two masks, data and code, which are used to mask out the authentication code within a pointer. Following discussion with Luis Machado, add two more masks in order to support pointers within the high half of the address space (i.e. TTBR1 vs TTBR0). Cc: Luis Machado Cc: Thiago Jung Bauermann Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1105 Signed-off-by: Richard Henderson --- configs/targets/aarch64-linux-user.mak | 2 +- configs/targets/aarch64-softmmu.mak | 2 +- configs/targets/aarch64_be-linux-user.mak | 2 +- target/arm/internals.h | 2 ++ target/arm/gdbstub.c | 5 ++++ target/arm/gdbstub64.c | 29 +++++++++++++++++++++++ gdb-xml/aarch64-pauth.xml | 15 ++++++++++++ 7 files changed, 54 insertions(+), 3 deletions(-) create mode 100644 gdb-xml/aarch64-pauth.xml diff --git a/configs/targets/aarch64-linux-user.mak b/configs/targets/aarch= 64-linux-user.mak index db552f1839..ba8bc5fe3f 100644 --- a/configs/targets/aarch64-linux-user.mak +++ b/configs/targets/aarch64-linux-user.mak @@ -1,6 +1,6 @@ TARGET_ARCH=3Daarch64 TARGET_BASE_ARCH=3Darm -TARGET_XML_FILES=3D gdb-xml/aarch64-core.xml gdb-xml/aarch64-fpu.xml +TARGET_XML_FILES=3D gdb-xml/aarch64-core.xml gdb-xml/aarch64-fpu.xml gdb-x= ml/aarch64-pauth.xml TARGET_HAS_BFLT=3Dy CONFIG_SEMIHOSTING=3Dy CONFIG_ARM_COMPATIBLE_SEMIHOSTING=3Dy diff --git a/configs/targets/aarch64-softmmu.mak b/configs/targets/aarch64-= softmmu.mak index d489e6da83..b4338e9568 100644 --- a/configs/targets/aarch64-softmmu.mak +++ b/configs/targets/aarch64-softmmu.mak @@ -1,5 +1,5 @@ TARGET_ARCH=3Daarch64 TARGET_BASE_ARCH=3Darm TARGET_SUPPORTS_MTTCG=3Dy -TARGET_XML_FILES=3D gdb-xml/aarch64-core.xml gdb-xml/aarch64-fpu.xml gdb-x= ml/arm-core.xml gdb-xml/arm-vfp.xml gdb-xml/arm-vfp3.xml gdb-xml/arm-vfp-sy= sregs.xml gdb-xml/arm-neon.xml gdb-xml/arm-m-profile.xml gdb-xml/arm-m-prof= ile-mve.xml +TARGET_XML_FILES=3D gdb-xml/aarch64-core.xml gdb-xml/aarch64-fpu.xml gdb-x= ml/arm-core.xml gdb-xml/arm-vfp.xml gdb-xml/arm-vfp3.xml gdb-xml/arm-vfp-sy= sregs.xml gdb-xml/arm-neon.xml gdb-xml/arm-m-profile.xml gdb-xml/arm-m-prof= ile-mve.xml gdb-xml/aarch64-pauth.xml TARGET_NEED_FDT=3Dy diff --git a/configs/targets/aarch64_be-linux-user.mak b/configs/targets/aa= rch64_be-linux-user.mak index dc78044fb1..acb5620cdb 100644 --- a/configs/targets/aarch64_be-linux-user.mak +++ b/configs/targets/aarch64_be-linux-user.mak @@ -1,7 +1,7 @@ TARGET_ARCH=3Daarch64 TARGET_BASE_ARCH=3Darm TARGET_BIG_ENDIAN=3Dy -TARGET_XML_FILES=3D gdb-xml/aarch64-core.xml gdb-xml/aarch64-fpu.xml +TARGET_XML_FILES=3D gdb-xml/aarch64-core.xml gdb-xml/aarch64-fpu.xml gdb-x= ml/aarch64-pauth.xml TARGET_HAS_BFLT=3Dy CONFIG_SEMIHOSTING=3Dy CONFIG_ARM_COMPATIBLE_SEMIHOSTING=3Dy diff --git a/target/arm/internals.h b/target/arm/internals.h index bb3983645d..4b60355a7e 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1345,6 +1345,8 @@ int aarch64_gdb_get_sve_reg(CPUARMState *env, GByteAr= ray *buf, int reg); int aarch64_gdb_set_sve_reg(CPUARMState *env, uint8_t *buf, int reg); int aarch64_gdb_get_fpu_reg(CPUARMState *env, GByteArray *buf, int reg); int aarch64_gdb_set_fpu_reg(CPUARMState *env, uint8_t *buf, int reg); +int aarch64_gdb_get_pauth_reg(CPUARMState *env, GByteArray *buf, int reg); +int aarch64_gdb_set_pauth_reg(CPUARMState *env, uint8_t *buf, int reg); void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp); void arm_cpu_sme_finalize(ARMCPU *cpu, Error **errp); void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp); diff --git a/target/arm/gdbstub.c b/target/arm/gdbstub.c index bf8aff7824..062c8d447a 100644 --- a/target/arm/gdbstub.c +++ b/target/arm/gdbstub.c @@ -355,6 +355,11 @@ void arm_cpu_register_gdb_regs_for_features(ARMCPU *cp= u) aarch64_gdb_set_fpu_reg, 34, "aarch64-fpu.xml", 0); } + if (isar_feature_aa64_pauth(&cpu->isar)) { + gdb_register_coprocessor(cs, aarch64_gdb_get_pauth_reg, + aarch64_gdb_set_pauth_reg, + 4, "aarch64-pauth.xml", 0); + } #endif } else { if (arm_feature(env, ARM_FEATURE_NEON)) { diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index a6a8e7eb40..465d7fb196 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -210,6 +210,35 @@ int aarch64_gdb_set_sve_reg(CPUARMState *env, uint8_t = *buf, int reg) return 0; } =20 +int aarch64_gdb_get_pauth_reg(CPUARMState *env, GByteArray *buf, int reg) +{ + switch (reg) { + case 0: /* pauth_dmask */ + case 1: /* pauth_cmask */ + case 2: /* pauth_dmask_high */ + case 3: /* pauth_cmask_high */ + /* + * Note that older versions of this feature only contained + * pauth_{d,c}mask, for use with Linux user processes, and + * thus exclusively in the low half of the address space. + * + * To support system mode, and to debug kernels, two new regs + * were added to cover the high half of the address space. + * For the purpose of pauth_ptr_mask, we can use any well-formed + * address within the address space half -- here, 0 and -2. + */ + return gdb_get_reg64(buf, pauth_ptr_mask(env, -(reg & 2), ~reg & 1= )); + default: + return 0; + } +} + +int aarch64_gdb_set_pauth_reg(CPUARMState *env, uint8_t *buf, int reg) +{ + /* All pseudo registers are read-only. */ + return 0; +} + static void output_vector_union_type(GString *s, int reg_width, const char *name) { diff --git a/gdb-xml/aarch64-pauth.xml b/gdb-xml/aarch64-pauth.xml new file mode 100644 index 0000000000..24af5f903c --- /dev/null +++ b/gdb-xml/aarch64-pauth.xml @@ -0,0 +1,15 @@ + + + + + + + + + + + --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.31.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:31:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=Q0z/E1qdp++vmITAZJNktKsc7youUOaj3crCsXOdQsE=; b=nfAlfBJ2XuNv6JFKbSyj4R69oDm25CH3G9u/LDu+ReU8Tv6jzC5ofoq3ae3nrORGX2 l2HLGBApNaiefhrj7hrLylwIHx5ers21WXJi5rbMlFBSEv3dQ8kCHzuY+fcf1rsEdsu7 0KbhkguC37A0Hrk5h6avd8yiMTnOKKJ50HHv8MMJknWP2ijQBql97rm2hqglT5ASVreP K0UbtKXsRnrRv6NF6o/pgtU9olQ+roztV9b8Zsfcqe4ODTqGleo+DOmvtK3yqNtoRGJp KciMFhQ+mxMd0QhAa2a70OTY3uT9sekFclVUB/A60fiZdZVkrDyiXROPFvwBQjlpFOOP O+mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=Q0z/E1qdp++vmITAZJNktKsc7youUOaj3crCsXOdQsE=; b=dDtNTKSMimf3EJWvDXn5d//mxgOpgG5tZ6ICoIcce5CjNQZgdGLCbyYuhtCNPvMvRO /03Mbhdxj4L2PqKu40NP+ynbWZS2YnLKTrPNvipHnrCPdW7D60DTKceybox8kWld+Dt3 j5DF7OgZp6hoRiP3q/awAc7MugjgvZv8QKhXT01tMeeFQ+SA8w9+Re8yCTZHaMpwBBFI m8qWbBgaIhCftI/7cVvqhsuZ/MPKAJ3fPQ4QE4eMXf1eKsdSWDEeh2Nse/chTOucEFwI DGjetN+dshLkN6d8yuvuT4xkTtG75qocNU1Lw4isNgRd86m/l/n3BXwmUuCljIICXBiN cqpg== X-Gm-Message-State: AO0yUKXhlMMKZ1gPCL5DQQfJY60VcozP1Vpkv1VxtGtl5MSr2K/tFcfa HP7YnwAfrLMCAXR/FVJqEMfiSWP8gP/X7JC/6II= X-Google-Smtp-Source: AK7set+migrKgxV0t2Vly4IzkGhog+TNBwCtQ6rhdV/GNenE7xewaBXBVaAUO2KfPPPDcImlkQv5hA== X-Received: by 2002:aa7:96ab:0:b0:5a8:b6e2:a3fd with SMTP id g11-20020aa796ab000000b005a8b6e2a3fdmr2828973pfk.7.1676392270053; Tue, 14 Feb 2023 08:31:10 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, David Reiss Subject: [PATCH 12/14] target/arm: Export arm_v7m_mrs_control Date: Tue, 14 Feb 2023 06:30:46 -1000 Message-Id: <20230214163048.903964-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::42e; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42e.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 autolearn=ham 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: 1676392342478100001 Content-Type: text/plain; charset="utf-8" From: David Reiss Allow the function to be used outside of m_helper.c. Rename with an "arm_" prefix. Signed-off-by: David Reiss [rth: Split out of a larger patch] Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/internals.h | 3 +++ target/arm/m_helper.c | 6 +++--- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index 4b60355a7e..127a425961 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1353,6 +1353,9 @@ void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp= ); void arm_cpu_lpa2_finalize(ARMCPU *cpu, Error **errp); #endif =20 +/* Read the CONTROL register as the MRS instruction would. */ +uint32_t arm_v7m_mrs_control(CPUARMState *env, uint32_t secure); + #ifdef CONFIG_USER_ONLY static inline void define_cortex_a72_a57_a53_cp_reginfo(ARMCPU *cpu) { } #else diff --git a/target/arm/m_helper.c b/target/arm/m_helper.c index e7e746ea18..c20bcac977 100644 --- a/target/arm/m_helper.c +++ b/target/arm/m_helper.c @@ -53,7 +53,7 @@ static uint32_t v7m_mrs_xpsr(CPUARMState *env, uint32_t r= eg, unsigned el) return xpsr_read(env) & mask; } =20 -static uint32_t v7m_mrs_control(CPUARMState *env, uint32_t secure) +uint32_t arm_v7m_mrs_control(CPUARMState *env, uint32_t secure) { uint32_t value =3D env->v7m.control[secure]; =20 @@ -90,7 +90,7 @@ uint32_t HELPER(v7m_mrs)(CPUARMState *env, uint32_t reg) case 0 ... 7: /* xPSR sub-fields */ return v7m_mrs_xpsr(env, reg, 0); case 20: /* CONTROL */ - return v7m_mrs_control(env, 0); + return arm_v7m_mrs_control(env, 0); default: /* Unprivileged reads others as zero. */ return 0; @@ -2420,7 +2420,7 @@ uint32_t HELPER(v7m_mrs)(CPUARMState *env, uint32_t r= eg) case 0 ... 7: /* xPSR sub-fields */ return v7m_mrs_xpsr(env, reg, el); case 20: /* CONTROL */ - return v7m_mrs_control(env, env->v7m.secure); + return arm_v7m_mrs_control(env, env->v7m.secure); case 0x94: /* CONTROL_NS */ /* * We have to handle this here because unprivileged Secure code --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1676392335; cv=none; d=zohomail.com; s=zohoarc; b=gq2/Q6+XXFfN7lSHSWKzdorMPWpB5P7z6es71/Ib5PFgswCi36yDvRKGxxKcuys5JVKl8LFKVUmH1H/uSzQQW68S3GN2t4g4eNMmVXQ75cwZofSIR7WEfb3tOncUcBOX+xKLTZxMGsDjE8dzaub7YRXHzQooXm3D1Bc48tHmjAc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1676392335; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=GVeEC1XgZv+0JDQi5rIgvqYs5+9oYvw4P4dYcheYUZc=; b=GafL3GjMgxS3eYiPY4XrDSb1xlpCKyYw44fL67n6KgJ0Khh4uIZ2LIJ9fkTsqpuoB0h0YFzQH+RI1a3YH5iINdBR3Wvai8tt/uzs1kmPSGJigrjE7djz+a3tiQK5YOh6nCSmu1R7XvDhx+ZRudRJvxhT2ran5zFJKKCQkiggukU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1676392335425464.18901128473124; Tue, 14 Feb 2023 08:32:15 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRyD7-0006mx-5L; Tue, 14 Feb 2023 11:31:17 -0500 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 1pRyD5-0006jC-20 for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:15 -0500 Received: from mail-pg1-x535.google.com ([2607:f8b0:4864:20::535]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pRyD3-0002D2-6U for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:14 -0500 Received: by mail-pg1-x535.google.com with SMTP id u75so10562115pgc.10 for ; Tue, 14 Feb 2023 08:31:12 -0800 (PST) Received: from stoup.. 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.31.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:31:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=GVeEC1XgZv+0JDQi5rIgvqYs5+9oYvw4P4dYcheYUZc=; b=wNJcnkVeCLUUWJubZMojCT5vM33rZUwaNBdOfrZByqXZVgjWShKPi3ZIl/U9tr1cfU DUcNaKmEZ/Pgqz2FwcFx2qIh1LyhVE3zP7kAXHChGWA3FMOiGKb18Vm+T9pjrl74HZkw gc2u3egOHWkSN9ibzQTMf3HTb+9/oNR8mt7qSWaC6CEIggk/5MLMgrVTvrE6mPK+/D42 JzgLihajVUP1A3xnp03DVZxHTBuQAMAmnorI7N+5yKAtJws0dsSMwT6WkXJ5iAT1M3zi 2ZpFvgqkMKRnBePnTlkOAHWe1A3rbkkoCuhpcaOuuJYexVkTUTd9Ei6VVkQUvnVNWLI1 k/4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=GVeEC1XgZv+0JDQi5rIgvqYs5+9oYvw4P4dYcheYUZc=; b=WVGbSfOA4okYDge9enjTOM9lRDHmx1PSJQf9KSLYkRFB1rkipuDBwMUxu2K4SJFmiP ETnTA2sWRB9E+6f5HPwhCx+uVAw3llPS6s/OoM7IREVyDy6SnvOVTloOd6AVYI5oi93z h/azYh2IszI+Ar2MTrQeGA8VCz+1a8mCZXmN0x+w3k2v8PFDOqH1kA6+yN62rF6izYPZ xSveMzDNLndXsQAFOFiYGhqFj1aUTxmtucMIfk4J4qOGUachBWugbcd5MBAElQ4QakDb 0vxJALq0uJZCWYUxUkFS/gD2yMyM+WVo1HZL2tsNalC3YnHjaSgYICv5MjCycS/yd7Ai 6Yog== X-Gm-Message-State: AO0yUKUD5riYYH8Kh+RgOsIhK04v1wHxc0xabZQKz/ARHYnpEP9bdAlE iNrfDVHEOv2imSi4oo+nt9RJcsI6KXKQYAehFQ4= X-Google-Smtp-Source: AK7set9wgg6/Gv2ua2B6pRDwxlyb4NtBY5B9J70eJTUVl7sg0MTOvFtIpzNM3EMi2i8kUCOjxZmyoQ== X-Received: by 2002:a62:1a46:0:b0:58d:b8f8:5e2f with SMTP id a67-20020a621a46000000b0058db8f85e2fmr2333523pfa.10.1676392271554; Tue, 14 Feb 2023 08:31:11 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, David Reiss Subject: [PATCH 13/14] target/arm: Export arm_v7m_get_sp_ptr Date: Tue, 14 Feb 2023 06:30:47 -1000 Message-Id: <20230214163048.903964-14-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::535; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x535.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 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: 1676392335779100001 Content-Type: text/plain; charset="utf-8" From: David Reiss Allow the function to be used outside of m_helper.c. Move to be outside of ifndef CONFIG_USER_ONLY block. Rename from get_v7m_sp_ptr. Signed-off-by: David Reiss [rth: Split out of a larger patch] Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/internals.h | 10 +++++ target/arm/m_helper.c | 84 +++++++++++++++++++++--------------------- 2 files changed, 51 insertions(+), 43 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index 127a425961..6ad14048db 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1356,6 +1356,16 @@ void arm_cpu_lpa2_finalize(ARMCPU *cpu, Error **errp= ); /* Read the CONTROL register as the MRS instruction would. */ uint32_t arm_v7m_mrs_control(CPUARMState *env, uint32_t secure); =20 +/* + * Return a pointer to the location where we currently store the + * stack pointer for the requested security state and thread mode. + * This pointer will become invalid if the CPU state is updated + * such that the stack pointers are switched around (eg changing + * the SPSEL control bit). + */ +uint32_t *arm_v7m_get_sp_ptr(CPUARMState *env, bool secure, + bool threadmode, bool spsel); + #ifdef CONFIG_USER_ONLY static inline void define_cortex_a72_a57_a53_cp_reginfo(ARMCPU *cpu) { } #else diff --git a/target/arm/m_helper.c b/target/arm/m_helper.c index c20bcac977..87e30c59a8 100644 --- a/target/arm/m_helper.c +++ b/target/arm/m_helper.c @@ -605,42 +605,6 @@ void HELPER(v7m_blxns)(CPUARMState *env, uint32_t dest) arm_rebuild_hflags(env); } =20 -static uint32_t *get_v7m_sp_ptr(CPUARMState *env, bool secure, bool thread= mode, - bool spsel) -{ - /* - * Return a pointer to the location where we currently store the - * stack pointer for the requested security state and thread mode. - * This pointer will become invalid if the CPU state is updated - * such that the stack pointers are switched around (eg changing - * the SPSEL control bit). - * Compare the v8M ARM ARM pseudocode LookUpSP_with_security_mode(). - * Unlike that pseudocode, we require the caller to pass us in the - * SPSEL control bit value; this is because we also use this - * function in handling of pushing of the callee-saves registers - * part of the v8M stack frame (pseudocode PushCalleeStack()), - * and in the tailchain codepath the SPSEL bit comes from the exception - * return magic LR value from the previous exception. The pseudocode - * opencodes the stack-selection in PushCalleeStack(), but we prefer - * to make this utility function generic enough to do the job. - */ - bool want_psp =3D threadmode && spsel; - - if (secure =3D=3D env->v7m.secure) { - if (want_psp =3D=3D v7m_using_psp(env)) { - return &env->regs[13]; - } else { - return &env->v7m.other_sp; - } - } else { - if (want_psp) { - return &env->v7m.other_ss_psp; - } else { - return &env->v7m.other_ss_msp; - } - } -} - static bool arm_v7m_load_vector(ARMCPU *cpu, int exc, bool targets_secure, uint32_t *pvec) { @@ -765,8 +729,8 @@ static bool v7m_push_callee_stack(ARMCPU *cpu, uint32_t= lr, bool dotailchain, !mode; =20 mmu_idx =3D arm_v7m_mmu_idx_for_secstate_and_priv(env, M_REG_S, pr= iv); - frame_sp_p =3D get_v7m_sp_ptr(env, M_REG_S, mode, - lr & R_V7M_EXCRET_SPSEL_MASK); + frame_sp_p =3D arm_v7m_get_sp_ptr(env, M_REG_S, mode, + lr & R_V7M_EXCRET_SPSEL_MASK); want_psp =3D mode && (lr & R_V7M_EXCRET_SPSEL_MASK); if (want_psp) { limit =3D env->v7m.psplim[M_REG_S]; @@ -1611,10 +1575,8 @@ static void do_v7m_exception_exit(ARMCPU *cpu) * use 'frame_sp_p' after we do something that makes it invalid. */ bool spsel =3D env->v7m.control[return_to_secure] & R_V7M_CONTROL_= SPSEL_MASK; - uint32_t *frame_sp_p =3D get_v7m_sp_ptr(env, - return_to_secure, - !return_to_handler, - spsel); + uint32_t *frame_sp_p =3D arm_v7m_get_sp_ptr(env, return_to_secure, + !return_to_handler, spse= l); uint32_t frameptr =3D *frame_sp_p; bool pop_ok =3D true; ARMMMUIdx mmu_idx; @@ -1920,7 +1882,7 @@ static bool do_v7m_function_return(ARMCPU *cpu) threadmode =3D !arm_v7m_is_handler_mode(env); spsel =3D env->v7m.control[M_REG_S] & R_V7M_CONTROL_SPSEL_MASK; =20 - frame_sp_p =3D get_v7m_sp_ptr(env, true, threadmode, spsel); + frame_sp_p =3D arm_v7m_get_sp_ptr(env, true, threadmode, spsel); frameptr =3D *frame_sp_p; =20 /* @@ -2856,6 +2818,42 @@ uint32_t HELPER(v7m_tt)(CPUARMState *env, uint32_t a= ddr, uint32_t op) =20 #endif /* !CONFIG_USER_ONLY */ =20 +uint32_t *arm_v7m_get_sp_ptr(CPUARMState *env, bool secure, bool threadmod= e, + bool spsel) +{ + /* + * Return a pointer to the location where we currently store the + * stack pointer for the requested security state and thread mode. + * This pointer will become invalid if the CPU state is updated + * such that the stack pointers are switched around (eg changing + * the SPSEL control bit). + * Compare the v8M ARM ARM pseudocode LookUpSP_with_security_mode(). + * Unlike that pseudocode, we require the caller to pass us in the + * SPSEL control bit value; this is because we also use this + * function in handling of pushing of the callee-saves registers + * part of the v8M stack frame (pseudocode PushCalleeStack()), + * and in the tailchain codepath the SPSEL bit comes from the exception + * return magic LR value from the previous exception. The pseudocode + * opencodes the stack-selection in PushCalleeStack(), but we prefer + * to make this utility function generic enough to do the job. + */ + bool want_psp =3D threadmode && spsel; + + if (secure =3D=3D env->v7m.secure) { + if (want_psp =3D=3D v7m_using_psp(env)) { + return &env->regs[13]; + } else { + return &env->v7m.other_sp; + } + } else { + if (want_psp) { + return &env->v7m.other_ss_psp; + } else { + return &env->v7m.other_ss_msp; + } + } +} + ARMMMUIdx arm_v7m_mmu_idx_all(CPUARMState *env, bool secstate, bool priv, bool negpri) { --=20 2.34.1 From nobody Mon May 20 11:51:38 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1676392302; cv=none; d=zohomail.com; s=zohoarc; b=miicvvcKo935mDDdhrBI4M2IWtdKD8kCwDth57/OTgvrkZo/Q6ouRfuTuVLcu4TP27y6mG92/fQLvKiXEVDPnr2IpKS1bUuY1F16Xdt9T3OZeF60NN6MVSTQqayka3IgFn4iWDO0PexSQAJDgb2b/nr/FCEU6g1895muBmlO1lg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1676392302; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=GY8+XZXt1WwhGHNe4w41pwNJufQrqsV0Unpbj9QQTJg=; b=I+1Denc7mUR+/RSWGjGFe/jy3gPh4ysSKUvHIR9KEFDzqQWHfV/gejgjQXJQKSNlqCOTgZBpDdmWae0SR8G/TOUM2OsWIWCb6fmGFXIO/FzMmewR0GBAdTTKcetuMvzMIppZEu60PfDg9YcoZutxK7nVCr4NE2UGmvQtkcZnK8c= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1676392302676957.7807439443643; Tue, 14 Feb 2023 08:31:42 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRyDC-0006yf-KG; Tue, 14 Feb 2023 11:31:22 -0500 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 1pRyD6-0006kO-3n for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:16 -0500 Received: from mail-pf1-x435.google.com ([2607:f8b0:4864:20::435]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pRyD3-00028X-VV for qemu-devel@nongnu.org; Tue, 14 Feb 2023 11:31:15 -0500 Received: by mail-pf1-x435.google.com with SMTP id bd35so5540285pfb.6 for ; Tue, 14 Feb 2023 08:31:13 -0800 (PST) Received: from stoup.. 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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id d17-20020aa78691000000b0058d99337381sm10337011pfo.172.2023.02.14.08.31.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 08:31:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=GY8+XZXt1WwhGHNe4w41pwNJufQrqsV0Unpbj9QQTJg=; b=AAXYLp84X55v1PCIKEBERUmfIlyxGUSALhz8UOrF/T8CniZEX1VHLyQAwuAkueLI6c QfnsN2Br7mQxaRXboBU2iSAUBz2ogo/loYjjVx05p6clJNlSiglTvpTjdQ/bhaH8J9K/ YwTokqCjq4EleEzelBi/ee8L9tf44hFcuVGw6DWzMNpfOuT+53W/p0R5+HLdvi54CE07 V9eA7UKsvTJL/bOtC2K8BtARV0Ap8ZZ2aoNkAvUPHEevULO4iTwvtqWywb5XWeiZCv8m zUCoUSfnArlMGhzATOZYYiIaO0jOBFSdBRBjaHU9rZcuWppuoAG3Gfz8aT3wkPJF5gCD eH9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=GY8+XZXt1WwhGHNe4w41pwNJufQrqsV0Unpbj9QQTJg=; b=YyCJNvCBqEaei5C69Bitnpo3wZa8Q3favSGwR5x9ep3AlkpjPZVyDBGJYqghye0pBd VnJwrkovvGc4zg55qgykuXx0/Bk/cj4VHxJVjDWRqlKKtxIHIUPlCIAwEknbs5yNPtse BhDoK/N0AzB2+UfFwunuLXTVkhEtkSYpImyJTAw1dvlZ2qqBKpbPJjhjIP3JWssDtQ5k 3esfmW2zN1bFx31FCn08VL6itJbDyATsp60+rs61U7qmi//LveIb+lCqFWaX3/M8wKoI rpUGamkoAQepmmUmaOWICEWx2PxMuf77E8M+nT5AN0Kk0UJd8z/uJEgVJEa9BHpfj6TZ MxMA== X-Gm-Message-State: AO0yUKVJsTu0BhoX8kPjtNLTukS+FWWvJdDc32h4qxjaj9WyVqNdn/S5 xOHMeWRCgBAYSszVuSi8bMAy1TUXKGywXft4/hM= X-Google-Smtp-Source: AK7set8y75kEdclW3cPAcGPsPOHoy/WGKQcjmVfp2xaBXCcd5yqfbwJ6z0/1gkpamUdNTYedFUjD8w== X-Received: by 2002:a62:848e:0:b0:5a8:4de2:e94e with SMTP id k136-20020a62848e000000b005a84de2e94emr2560366pfd.33.1676392273135; Tue, 14 Feb 2023 08:31:13 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, David Reiss Subject: [PATCH 14/14] target/arm: Support reading m-profile system registers from gdb Date: Tue, 14 Feb 2023 06:30:48 -1000 Message-Id: <20230214163048.903964-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214163048.903964-1-richard.henderson@linaro.org> References: <20230214163048.903964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::435; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x435.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 autolearn=ham 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: 1676392303560100001 Content-Type: text/plain; charset="utf-8" From: David Reiss Follows a fairly similar pattern to the existing special register debug support. Only reading is implemented, but it should be possible to implement writes. Signed-off-by: David Reiss [rth: Split out from two other patches; Use an enumeration to locally number the registers. Use a structure to list and control runtime visibility. Handle security extension with the same code.] Signed-off-by: Richard Henderson --- target/arm/cpu.h | 1 + target/arm/gdbstub.c | 169 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 170 insertions(+) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index c9f768f945..536e60d48c 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -867,6 +867,7 @@ struct ArchCPU { =20 DynamicGDBXMLInfo dyn_sysreg_xml; DynamicGDBXMLInfo dyn_svereg_xml; + DynamicGDBXMLInfo dyn_m_systemreg_xml; =20 /* Timers used by the generic (architected) timer */ QEMUTimer *gt_timer[NUM_GTIMERS]; diff --git a/target/arm/gdbstub.c b/target/arm/gdbstub.c index 062c8d447a..a8848c7fee 100644 --- a/target/arm/gdbstub.c +++ b/target/arm/gdbstub.c @@ -322,6 +322,167 @@ static int arm_gen_dynamic_sysreg_xml(CPUState *cs, i= nt base_reg) return cpu->dyn_sysreg_xml.num; } =20 +enum { + M_SYSREG_MSP =3D 0, + M_SYSREG_PSP =3D 1, + M_SYSREG_PRIMASK =3D 2, + M_SYSREG_CONTROL =3D 3, + M_SYSREG_BASEPRI =3D 4, + M_SYSREG_FAULTMASK =3D 5, + M_SYSREG_MSPLIM =3D 6, + M_SYSREG_PSPLIM =3D 7, + M_SYSREG_REG_MASK =3D 7, + + /* + * NOTE: MSP, PSP, MSPLIM, PSPLIM technically don't exist if the + * secure extension is present (replaced by MSP_S, MSP_NS, et al). + * However, the MRS instruction is still allowed to read from MSP and = PSP, + * and will return the value associated with the current security stat= e. + * We replicate this behavior for the convenience of users, who will s= ee + * GDB behave similarly to their assembly code, even if they are obliv= ious + * to the security extension. + */ + M_SYSREG_CURRENT =3D 0 << 3, + M_SYSREG_NONSECURE =3D 1 << 3, + M_SYSREG_SECURE =3D 2 << 3, + M_SYSREG_MODE_MASK =3D 3 << 3, +}; + +static const struct { + const char *name; + int feature; +} m_systemreg_def[] =3D { + [M_SYSREG_MSP] =3D { "msp", ARM_FEATURE_M }, + [M_SYSREG_PSP] =3D { "psp", ARM_FEATURE_M }, + [M_SYSREG_PRIMASK] =3D { "primask", ARM_FEATURE_M }, + [M_SYSREG_CONTROL] =3D { "control", ARM_FEATURE_M }, + [M_SYSREG_BASEPRI] =3D { "basepri", ARM_FEATURE_M_MAIN }, + [M_SYSREG_FAULTMASK] =3D { "faultmask", ARM_FEATURE_M_MAIN }, + [M_SYSREG_MSPLIM] =3D { "msplim", ARM_FEATURE_V8 }, + [M_SYSREG_PSPLIM] =3D { "psplim", ARM_FEATURE_V8 }, +}; + +static int arm_gdb_get_m_systemreg(CPUARMState *env, GByteArray *buf, int = reg) +{ + int mode =3D reg & M_SYSREG_MODE_MASK; + bool secure; + uint32_t val; + + switch (mode) { + case M_SYSREG_CURRENT: + secure =3D env->v7m.secure; + break; + case M_SYSREG_NONSECURE: + secure =3D false; + break; + case M_SYSREG_SECURE: + secure =3D true; + break; + default: + return 0; + } + + reg &=3D M_SYSREG_REG_MASK; + if (reg >=3D ARRAY_SIZE(m_systemreg_def)) { + return 0; + } + if (!arm_feature(env, m_systemreg_def[reg].feature)) { + return 0; + } + + /* NOTE: This implementation shares a lot of logic with v7m_mrs. */ + switch (reg) { + case M_SYSREG_MSP: + val =3D *arm_v7m_get_sp_ptr(env, secure, false, true); + break; + case M_SYSREG_PSP: + val =3D *arm_v7m_get_sp_ptr(env, secure, true, true); + break; + case M_SYSREG_MSPLIM: + val =3D env->v7m.msplim[secure]; + break; + case M_SYSREG_PSPLIM: + val =3D env->v7m.psplim[secure]; + break; + case M_SYSREG_PRIMASK: + val =3D env->v7m.primask[secure]; + break; + case M_SYSREG_BASEPRI: + val =3D env->v7m.basepri[secure]; + break; + case M_SYSREG_FAULTMASK: + val =3D env->v7m.faultmask[secure]; + break; + case M_SYSREG_CONTROL: + /* + * NOTE: CONTROL has a mix of banked and non-banked bits. + * For "current", we emulate the MRS instruction. + * Unfortunately, this gives GDB no way to read the SFPA bit + * when the CPU is in a non-secure state. + */ + if (mode =3D=3D M_SYSREG_CURRENT) { + val =3D arm_v7m_mrs_control(env, secure); + } else { + val =3D env->v7m.control[secure]; + } + break; + default: + g_assert_not_reached(); + } + + return gdb_get_reg32(buf, val); +} + +static int arm_gdb_set_m_systemreg(CPUARMState *env, uint8_t *buf, int reg) +{ + /* TODO: Implement. */ + return 0; +} + +static int arm_gen_dynamic_m_systemreg_xml(CPUState *cs, int base_reg) +{ + ARMCPU *cpu =3D ARM_CPU(cs); + CPUARMState *env =3D &cpu->env; + GString *s =3D g_string_new(NULL); + int i, ret; + + g_string_printf(s, ""); + g_string_append_printf(s, "= "); + g_string_append_printf(s, "\n"); + + QEMU_BUILD_BUG_ON(M_SYSREG_CURRENT !=3D 0); + ret =3D ARRAY_SIZE(m_systemreg_def); + + for (i =3D 0; i < ret; i++) { + if (arm_feature(env, m_systemreg_def[i].feature)) { + g_string_append_printf(s, + "\n", + m_systemreg_def[i].name, base_reg + i); + } + } + + if (arm_feature(env, ARM_FEATURE_M_SECURITY)) { + for (i =3D 0; i < ret; i++) { + g_string_append_printf(s, + "\= n", + m_systemreg_def[i].name, base_reg + (i | M_SYSREG_NONSECUR= E)); + } + for (i =3D 0; i < ret; i++) { + g_string_append_printf(s, + "\n= ", + m_systemreg_def[i].name, base_reg + (i | M_SYSREG_SECURE)); + } + QEMU_BUILD_BUG_ON(M_SYSREG_SECURE < M_SYSREG_NONSECURE); + ret |=3D M_SYSREG_SECURE; + } + + g_string_append_printf(s, ""); + + cpu->dyn_m_systemreg_xml.desc =3D g_string_free(s, false); + cpu->dyn_m_systemreg_xml.num =3D ret; + return ret; +} + const char *arm_gdb_get_dynamic_xml(CPUState *cs, const char *xmlname) { ARMCPU *cpu =3D ARM_CPU(cs); @@ -330,6 +491,8 @@ const char *arm_gdb_get_dynamic_xml(CPUState *cs, const= char *xmlname) return cpu->dyn_sysreg_xml.desc; } else if (strcmp(xmlname, "sve-registers.xml") =3D=3D 0) { return cpu->dyn_svereg_xml.desc; + } else if (strcmp(xmlname, "arm-m-system.xml") =3D=3D 0) { + return cpu->dyn_m_systemreg_xml.desc; } return NULL; } @@ -389,4 +552,10 @@ void arm_cpu_register_gdb_regs_for_features(ARMCPU *cp= u) arm_gen_dynamic_sysreg_xml(cs, cs->gdb_num_re= gs), "system-registers.xml", 0); =20 + if (arm_feature(env, ARM_FEATURE_M)) { + gdb_register_coprocessor(cs, + arm_gdb_get_m_systemreg, arm_gdb_set_m_systemreg, + arm_gen_dynamic_m_systemreg_xml(cs, cs->gdb_num_regs), + "arm-m-system.xml", 0); + } } --=20 2.34.1