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([71.212.157.132]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2651d2df15esm73459905ad.45.2025.09.16.07.22.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Sep 2025 07:22:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1758032564; x=1758637364; 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=QcyFmSED1U74WI9UXgtn2Nss5f/zzYuv4zo9qx3ZJkk=; b=K/wn7zA+v3WfQFi3s6rOOs3uOS+6RMNDB4Fqtwj2O0TzQlGULj4ul0mXYk/FJfYnkn 5jmYUrR4zcaooybQ2fiJdekFcsPyWzUFhZd6/3vF7trpBEf08LOuq+SSiSqsEgjZHUa3 oUZx9l+RCCT+4HSDhbkbit0syllM98pKnWGk+G2AMd1VX9szKVMZq+nYGhmhYA7qighp NyKg01KXbe5mC1weJ2g0JMh+Trynbi1Jl9xjR+/Mt2NdE8hMYWaPPqPDCHTeAqYMjul7 uFmbFIPUr7R3+6myPVtujXteSp79yPnrbugEpzNa8XVceivUcPnhsCFY5/UMOz2U/pzC OCew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758032564; x=1758637364; 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=QcyFmSED1U74WI9UXgtn2Nss5f/zzYuv4zo9qx3ZJkk=; b=iDE5f0Dy0MN5tyGq1EVv01R8Auw2GkHKgUaUonMFpxx/lSFZYdsVevhJd8v6pms7An ya45BbogL82+PzGpWbHUb+NJFcGgsKfjgbteL/+spaanResjUN+ztStAAaSqAKp6lzyw CKqyjY+vxsVCYvaqNMacgu6sRnizFIo4k6ZsmenZWviAWLSVGSC+BeTJOddZIDPPC3RF FnebxvrvMkC4egIx3J660rrXJiA5Dg8UckrAYhtBELERUIYiwiEYwPUEMI0YK7jat+Qi ZXVTXosT+IUG8BH2dZfp0mbA6b9BtCWo/ma8yEqNDPx6PGx53e2cADr1vnurzM/nWSNA hXnw== X-Gm-Message-State: AOJu0YzB4cy0zfSQHAaMerOx8mAXcTquV0WBDcGmm2B5kXjKGC7yZYeY WpZceopGH86xGr2jtFLfJVe1nMKRyzkArZ2JtCVmOCGazJC1gRU03qoTBDgx8CXCkkLwAFDzfWS mzE2b X-Gm-Gg: ASbGncusVt/WcoOWRFnLSj7Vr3vOIWnxjvy0DPpbK91AEwpefqAvMjjFmh/94Dudmor wmAGTmbjcS5UV91oy4/XIpN6LAY0GnbMGBYOayrWgeBIGbBB4+XZn8J0KWTwcelRok1qQ3CVvYZ Xm7tLdUmUjPVsStUH6/md5WemLOWD259S2IB+UP+zIucVcQ7JUgekKb1WZxnwZtISDGo8i5G4vn OyG4EmSmgP1DOkJsdtDKAzUbwZ5YPg38rwXrxjOwAgAuNgP5O7sB4cRAVXJnGcoSQIiFxsM12hx 3OpGjDjduUohaPdy31Hie2hMfppAvOOayR3gHBkO+VQLoakYwodbMUHwNck+qHcALBjHgtYOUiY syvdGONuTC+YxzUs3AIkYOMhoOWDm X-Google-Smtp-Source: AGHT+IFO9aLpqlUq4ALNHy4YL2aoDcdWvGCLnoR53xQbmihLpHzayoUaY7Jvd2er+TwKrjBfNG305w== X-Received: by 2002:a17:902:cecf:b0:24d:a3a0:5230 with SMTP id d9443c01a7336-25d27131d84mr259931945ad.58.1758032563990; Tue, 16 Sep 2025 07:22:43 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org, Manos Pitsidianakis Subject: [PATCH v2 05/36] target/arm/hvf: Add KVMID_TO_HVF, HVF_TO_KVMID Date: Tue, 16 Sep 2025 07:22:06 -0700 Message-ID: <20250916142238.664316-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250916142238.664316-1-richard.henderson@linaro.org> References: <20250916142238.664316-1-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=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: 1758032761241116601 Content-Type: text/plain; charset="utf-8" Conversion between KVM system registers ids and the HVF system register ids is trivial. Reviewed-by: Manos Pitsidianakis Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 Tested-by: Philippe Mathieu-Daud=C3=A9 --- 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 f68924ba1f..7515e59c56 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