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([144.6.121.55]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7720274534esm1419241b3a.47.2025.08.26.18.05.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Aug 2025 18:05:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1756256730; x=1756861530; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=j4IRJlXM6WlOC6HdRLDZoPfNGaWNXGIS7v/EQ+dzuD0=; b=ND8ogBivGoQ3ytY6EiM7geYKKsHDQwjcw97jezQZIuTwms8cndtttZ08jo/OGOxQIT Tp4dn7MRrtFkiPDD+zg2ifYXIJBPkIhNEN5H9y2QH8ReeFqh0vyU2gM60VU9oX8higso tL/FyhcLiyKraZYja03c/YHsm79WAGFVTts+/qymlaDSVfiiyvEo5O3nNlT+udxGAXlJ Ze6rjvTXWeVU9Eq8n9OdSCYBet9AmzskVrmfqlC31xCW4WWlTUk4gAWZPgxpknKmP9vM EIOgdLuuQJyM9zqwPfXnT3M50OXvjdyvZErd4ZKO9qLg2gbQCIJmDN5JM2pwaYsfXDvm LFRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756256730; x=1756861530; 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=j4IRJlXM6WlOC6HdRLDZoPfNGaWNXGIS7v/EQ+dzuD0=; b=YhoNGJ7YYEFzk8g6mT03zIhc1ClgJ0w4qfdlvdB/fJ4d4ppjcwdKxmTQt6NSJq+nXX AjXGDSgnNrpLl2kBNJ9bqKd6D249bjNKAZ2cfEaFkQbVAhWnUKTDReXp4zXU+FE5lfwl 8cgXesxWsEchqrlD4iaY3fuz4EDuuPR9cCnsVhORmfbs9bDXRX1gRkeLvqpNszzw/wVP LTvVNeQTtmY24hoSYbfDhl4wOSCjTnnBMaNdeEgQUxA3YCXXvW5lEiCP4vOKE/Bmz9hL Me/5f4k8m2CoJpa+YakHsD5Xe+lLj0sp+NAde+NLzq8HZJu85Oh2kuDjCkNGzNEEzXim yULA== X-Gm-Message-State: AOJu0YxJ7eRtV8RaYoMLLKYvv9vcQt+Id5qiroeSf7pe+BBHuWukFskK RaQ/oc60icjwRkwRX51wqwymekR07W7TdZyrba9YdmLRmFL0oild2FshT0RHd9lTyLv2kk8m8A3 Zrms0WyU= X-Gm-Gg: ASbGncvLF783wywC6NCPvZqX1GxqfcxU3jfCTF1stCGh2GS95CdAuXwj42wH2BZbMa+ 3Vt0oCC+aAdRslVsEMHSdnW72ezD0jIz+g2rWBOPdzQTo9dCiv+Cs7KFs5Lfz00LQv/yOmtTzWS 0DUyp/fiN4c95SSHbk9laEvTRrN1f4I6W7nJijIEAyUjPMfVxFLalnlGvgyAvBQB9x2pzX1JDZa IvqCrxoJoQGiTA0aib0bw5JfFOZkuRasEAcrvBJK3jPNAx9KqtnQKzRxyukWXC72w42uTC1odcn DONWqRyuP2N8n+b6Smf6XMQyo/c3Sn1AHCjdumGK+vxdP/4OgKcgqz8v8onrpFhAqp4WJ+jJ2f+ gvZK0aewa2BZ7ySsmB5hfDs2qcQ== X-Google-Smtp-Source: AGHT+IEfg0RV8HZ0MKe7sVyvR2MY0xdMsjAgdQp2skpx8s+Sto/jl962olvmqYF0Xp7BQRGztMgUlQ== X-Received: by 2002:a05:6a00:7619:b0:771:b230:f0a3 with SMTP id d2e1a72fcca58-771b230f3a2mr10217489b3a.19.1756256730528; Tue, 26 Aug 2025 18:05:30 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 05/61] target/arm/hvf: Add KVMID_TO_HVF, HVF_TO_KVMID Date: Wed, 27 Aug 2025 11:03:53 +1000 Message-ID: <20250827010453.4059782-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250827010453.4059782-1-richard.henderson@linaro.org> References: <20250827010453.4059782-1-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::433; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x433.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: 1756256858812124100 Content-Type: text/plain; charset="utf-8" Conversion between KVM system registers ids and the HVF system register ids is trivial. Signed-off-by: Richard Henderson Reviewed-by: Manos Pitsidianakis --- target/arm/hvf/hvf.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index 7b0413093d..47165bd29c 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -403,6 +403,26 @@ struct hvf_sreg_match { uint32_t cp_idx; }; =20 +/* + * QEMU uses KVM system register ids in the migration format. + * Conveniently, HVF uses the same encoding of the op* and cr* parameters + * within the low 16 bits of the ids. Thus conversion between the + * formats is trivial. + */ + +#define KVMID_TO_HVF(KVM) ((KVM) & 0xffff) +#define HVF_TO_KVMID(HVF) \ + (CP_REG_ARM64 | CP_REG_SIZE_U64 | CP_REG_ARM64_SYSREG | (HVF)) + +/* Verify this at compile-time. */ + +#define DEF_SYSREG(HVF_ID, ...) \ + QEMU_BUILD_BUG_ON(HVF_ID !=3D KVMID_TO_HVF(KVMID_AA64_SYS_REG64(__VA_ARG= S__))); + +#include "sysreg.c.inc" + +#undef DEF_SYSREG + #define DEF_SYSREG(HVF_ID, op0, op1, crn, crm, op2) \ { HVF_ID, HVF_SYSREG(crn, crm, op0, op1, op2) }, =20 --=20 2.43.0