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[209.51.188.17]) by mx.google.com with ESMTPS id gf6-20020a056214250600b0069df236a052si3638208qvb.462.2024.05.03.08.35.48 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 03 May 2024 08:35:48 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linux.dev header.s=key1 header.b=uhDl4iW9; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.dev Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s2uwo-000283-EU; Fri, 03 May 2024 11:35:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s2uwk-00027C-IO; Fri, 03 May 2024 11:35:38 -0400 Received: from out-184.mta0.migadu.com ([91.218.175.184]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s2uwh-0002aO-Rn; Fri, 03 May 2024 11:35:38 -0400 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1714750531; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=54XfP9NU3z3SUadnzHfd4tGzOYczNY9+tkAX9cRT6Ao=; b=uhDl4iW9zQ5c0OQAYZsUFdznjGYRio6gEdWGLiwT8Auq13FfmcVnEn+dK0O+4uxaojSkU+ 6oIET8TD5yfMGLAvsIjTQZBynY4gGGrMjXje75ei5cu2INGxnqVRXHeBEgNZI0AfVXTxqr 6MKb/J1gWGPLGz8f64Uz0H+trLD5EhI= From: Zenghui Yu To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: agraf@csgraf.de, peter.maydell@linaro.org, wanghaibin.wang@huawei.com, Zenghui Yu Subject: [PATCH] hvf: arm: Fix encodings for ID_AA64PFR1_EL1 and debug System registers Date: Fri, 3 May 2024 23:34:53 +0800 Message-Id: <20240503153453.54389-1-zenghui.yu@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Received-SPF: pass client-ip=91.218.175.184; envelope-from=zenghui.yu@linux.dev; helo=out-184.mta0.migadu.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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UPPERCASE_50_75=0.008 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@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-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org X-TUID: XY7ey9pAWMYD We wrongly encoded ID_AA64PFR1_EL1 using {3,0,0,4,2} in hvf_sreg_match[] so we fail to get the expected ARMCPRegInfo from cp_regs hash table with the wrong key. Fix it with the correct encoding {3,0,0,4,1}. With that fixed, the Linux guest can properly detect FEAT_SSBS2 on my M1 HW. All DBG{B,W}{V,C}R_EL1 registers are also wrongly encoded with op0 == 14. It happens to work because HVF_SYSREG(CRn, CRm, 14, op1, op2) equals to HVF_SYSREG(CRn, CRm, 2, op1, op2), by definition. But we shouldn't rely on it. Fixes: a1477da3ddeb ("hvf: Add Apple Silicon support") Signed-off-by: Zenghui Yu --- target/arm/hvf/hvf.c | 160 +++++++++++++++++++++---------------------- 1 file changed, 80 insertions(+), 80 deletions(-) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index 08d0757438..45e2218be5 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -396,85 +396,85 @@ struct hvf_sreg_match { }; static struct hvf_sreg_match hvf_sreg_match[] = { - { HV_SYS_REG_DBGBVR0_EL1, HVF_SYSREG(0, 0, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR0_EL1, HVF_SYSREG(0, 0, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR0_EL1, HVF_SYSREG(0, 0, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR0_EL1, HVF_SYSREG(0, 0, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR1_EL1, HVF_SYSREG(0, 1, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR1_EL1, HVF_SYSREG(0, 1, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR1_EL1, HVF_SYSREG(0, 1, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR1_EL1, HVF_SYSREG(0, 1, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR2_EL1, HVF_SYSREG(0, 2, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR2_EL1, HVF_SYSREG(0, 2, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR2_EL1, HVF_SYSREG(0, 2, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR2_EL1, HVF_SYSREG(0, 2, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR3_EL1, HVF_SYSREG(0, 3, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR3_EL1, HVF_SYSREG(0, 3, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR3_EL1, HVF_SYSREG(0, 3, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR3_EL1, HVF_SYSREG(0, 3, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR4_EL1, HVF_SYSREG(0, 4, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR4_EL1, HVF_SYSREG(0, 4, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR4_EL1, HVF_SYSREG(0, 4, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR4_EL1, HVF_SYSREG(0, 4, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR5_EL1, HVF_SYSREG(0, 5, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR5_EL1, HVF_SYSREG(0, 5, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR5_EL1, HVF_SYSREG(0, 5, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR5_EL1, HVF_SYSREG(0, 5, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR6_EL1, HVF_SYSREG(0, 6, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR6_EL1, HVF_SYSREG(0, 6, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR6_EL1, HVF_SYSREG(0, 6, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR6_EL1, HVF_SYSREG(0, 6, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR7_EL1, HVF_SYSREG(0, 7, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR7_EL1, HVF_SYSREG(0, 7, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR7_EL1, HVF_SYSREG(0, 7, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR7_EL1, HVF_SYSREG(0, 7, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR8_EL1, HVF_SYSREG(0, 8, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR8_EL1, HVF_SYSREG(0, 8, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR8_EL1, HVF_SYSREG(0, 8, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR8_EL1, HVF_SYSREG(0, 8, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR9_EL1, HVF_SYSREG(0, 9, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR9_EL1, HVF_SYSREG(0, 9, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR9_EL1, HVF_SYSREG(0, 9, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR9_EL1, HVF_SYSREG(0, 9, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR10_EL1, HVF_SYSREG(0, 10, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR10_EL1, HVF_SYSREG(0, 10, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR10_EL1, HVF_SYSREG(0, 10, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR10_EL1, HVF_SYSREG(0, 10, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR11_EL1, HVF_SYSREG(0, 11, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR11_EL1, HVF_SYSREG(0, 11, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR11_EL1, HVF_SYSREG(0, 11, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR11_EL1, HVF_SYSREG(0, 11, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR12_EL1, HVF_SYSREG(0, 12, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR12_EL1, HVF_SYSREG(0, 12, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR12_EL1, HVF_SYSREG(0, 12, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR12_EL1, HVF_SYSREG(0, 12, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR13_EL1, HVF_SYSREG(0, 13, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR13_EL1, HVF_SYSREG(0, 13, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR13_EL1, HVF_SYSREG(0, 13, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR13_EL1, HVF_SYSREG(0, 13, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR14_EL1, HVF_SYSREG(0, 14, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR14_EL1, HVF_SYSREG(0, 14, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR14_EL1, HVF_SYSREG(0, 14, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR14_EL1, HVF_SYSREG(0, 14, 14, 0, 7) }, - - { HV_SYS_REG_DBGBVR15_EL1, HVF_SYSREG(0, 15, 14, 0, 4) }, - { HV_SYS_REG_DBGBCR15_EL1, HVF_SYSREG(0, 15, 14, 0, 5) }, - { HV_SYS_REG_DBGWVR15_EL1, HVF_SYSREG(0, 15, 14, 0, 6) }, - { HV_SYS_REG_DBGWCR15_EL1, HVF_SYSREG(0, 15, 14, 0, 7) }, + { HV_SYS_REG_DBGBVR0_EL1, HVF_SYSREG(0, 0, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR0_EL1, HVF_SYSREG(0, 0, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR0_EL1, HVF_SYSREG(0, 0, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR0_EL1, HVF_SYSREG(0, 0, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR1_EL1, HVF_SYSREG(0, 1, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR1_EL1, HVF_SYSREG(0, 1, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR1_EL1, HVF_SYSREG(0, 1, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR1_EL1, HVF_SYSREG(0, 1, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR2_EL1, HVF_SYSREG(0, 2, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR2_EL1, HVF_SYSREG(0, 2, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR2_EL1, HVF_SYSREG(0, 2, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR2_EL1, HVF_SYSREG(0, 2, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR3_EL1, HVF_SYSREG(0, 3, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR3_EL1, HVF_SYSREG(0, 3, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR3_EL1, HVF_SYSREG(0, 3, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR3_EL1, HVF_SYSREG(0, 3, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR4_EL1, HVF_SYSREG(0, 4, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR4_EL1, HVF_SYSREG(0, 4, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR4_EL1, HVF_SYSREG(0, 4, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR4_EL1, HVF_SYSREG(0, 4, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR5_EL1, HVF_SYSREG(0, 5, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR5_EL1, HVF_SYSREG(0, 5, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR5_EL1, HVF_SYSREG(0, 5, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR5_EL1, HVF_SYSREG(0, 5, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR6_EL1, HVF_SYSREG(0, 6, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR6_EL1, HVF_SYSREG(0, 6, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR6_EL1, HVF_SYSREG(0, 6, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR6_EL1, HVF_SYSREG(0, 6, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR7_EL1, HVF_SYSREG(0, 7, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR7_EL1, HVF_SYSREG(0, 7, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR7_EL1, HVF_SYSREG(0, 7, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR7_EL1, HVF_SYSREG(0, 7, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR8_EL1, HVF_SYSREG(0, 8, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR8_EL1, HVF_SYSREG(0, 8, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR8_EL1, HVF_SYSREG(0, 8, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR8_EL1, HVF_SYSREG(0, 8, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR9_EL1, HVF_SYSREG(0, 9, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR9_EL1, HVF_SYSREG(0, 9, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR9_EL1, HVF_SYSREG(0, 9, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR9_EL1, HVF_SYSREG(0, 9, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR10_EL1, HVF_SYSREG(0, 10, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR10_EL1, HVF_SYSREG(0, 10, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR10_EL1, HVF_SYSREG(0, 10, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR10_EL1, HVF_SYSREG(0, 10, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR11_EL1, HVF_SYSREG(0, 11, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR11_EL1, HVF_SYSREG(0, 11, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR11_EL1, HVF_SYSREG(0, 11, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR11_EL1, HVF_SYSREG(0, 11, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR12_EL1, HVF_SYSREG(0, 12, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR12_EL1, HVF_SYSREG(0, 12, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR12_EL1, HVF_SYSREG(0, 12, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR12_EL1, HVF_SYSREG(0, 12, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR13_EL1, HVF_SYSREG(0, 13, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR13_EL1, HVF_SYSREG(0, 13, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR13_EL1, HVF_SYSREG(0, 13, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR13_EL1, HVF_SYSREG(0, 13, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR14_EL1, HVF_SYSREG(0, 14, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR14_EL1, HVF_SYSREG(0, 14, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR14_EL1, HVF_SYSREG(0, 14, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR14_EL1, HVF_SYSREG(0, 14, 2, 0, 7) }, + + { HV_SYS_REG_DBGBVR15_EL1, HVF_SYSREG(0, 15, 2, 0, 4) }, + { HV_SYS_REG_DBGBCR15_EL1, HVF_SYSREG(0, 15, 2, 0, 5) }, + { HV_SYS_REG_DBGWVR15_EL1, HVF_SYSREG(0, 15, 2, 0, 6) }, + { HV_SYS_REG_DBGWCR15_EL1, HVF_SYSREG(0, 15, 2, 0, 7) }, #ifdef SYNC_NO_RAW_REGS /* @@ -486,7 +486,7 @@ static struct hvf_sreg_match hvf_sreg_match[] = { { HV_SYS_REG_MPIDR_EL1, HVF_SYSREG(0, 0, 3, 0, 5) }, { HV_SYS_REG_ID_AA64PFR0_EL1, HVF_SYSREG(0, 4, 3, 0, 0) }, #endif - { HV_SYS_REG_ID_AA64PFR1_EL1, HVF_SYSREG(0, 4, 3, 0, 2) }, + { HV_SYS_REG_ID_AA64PFR1_EL1, HVF_SYSREG(0, 4, 3, 0, 1) }, { HV_SYS_REG_ID_AA64DFR0_EL1, HVF_SYSREG(0, 5, 3, 0, 0) }, { HV_SYS_REG_ID_AA64DFR1_EL1, HVF_SYSREG(0, 5, 3, 0, 1) }, { HV_SYS_REG_ID_AA64ISAR0_EL1, HVF_SYSREG(0, 6, 3, 0, 0) }, -- 2.34.1