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[81.2.115.145]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43b919cf2b2sm15484227f8f.18.2026.03.27.04.17.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Mar 2026 04:17:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1774610256; x=1775215056; 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=ajCMEb2lQLuc5DJ03lNLJ9KK+fIl70fxwg3ayKyNDHE=; b=YqXGija7U9DkUVtKOoXH4TE3QFhB4rl0WbIFdHGgb31A2uMIu6pQgYgzqCz8NA4C2P j+A1KvapnabGbh/gIquF0JJYMHEg1Jc94e7MXv1yRoYIGbEosYbcbGgmSP5E9cRIZ6do WGYRIJOPYYqLYTnp1aPUImxL33uD8KaIm3KDok1sJ+SkIxVfcyBMNbZro/UMfZ/2njDL /eFW8baayZTwJWeaPfmWUMe5/UvRsmUbRARkzjAhHaRIBYFVWAZknYD/u99csoBlvmke QdF8zrWqJRfOfTqcy6A3Bug+7/Ls0dtekf4uQtrXEheLKNQMQM9RhyLnWjTwNeJk73wC a4kw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774610256; x=1775215056; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=ajCMEb2lQLuc5DJ03lNLJ9KK+fIl70fxwg3ayKyNDHE=; b=dJxBGKa3KjpJwKQ6D4LmipFmX36M9xLez68VYPgMVTtcKOqAgj8TshjNMCNxVJsgxB +hi/r/41e0OJi7xOXmee1DqYOPaUjGHcoN7qmus+yv2uHBEP7LcKtGOHtwQHH/X+njOb ELbQg9yIotvK+Oi52vBZsIvkmtz+3toaAdmN3y5jx5FOcLey75iQzz33LXUi8BGrL+mV d3wN2aUJpzSyvLBt/+la9BTdXP0o8GAslNgv0xXonOtAodBjneKQsF9WTBjo9hmBZn/L WlStiNKXxeo6q7XCmzx85v/7MHWXubXhQ+v6txcoLqh0MYO1PjWZsQn8iuQSsMbsEU9L WokA== X-Forwarded-Encrypted: i=1; AJvYcCWIw+pa0K3gNlFd6mBtOWHDwGMwwlJWwOW3kbTAffFdGbkHNqEIlJyRg6Q3e5gP0y/LIAFmvZg2T+Td@nongnu.org X-Gm-Message-State: AOJu0YyHW4u/OG9FR9iMiZa5EAjU/7R6UbgBfv8OHYxYzsu4xk8wl3+x d3isJsX4dDV+DJQHK/k3rnmLBdiwXfl8ygUijq5ScsVKQvrkwoWNmul+UZi3ih+IL4AHzg5M+u5 L3gv9ssQ= X-Gm-Gg: ATEYQzyjLGn0ky++k/lF+ioxYHxWJFQDjJjNXb8fB0JufRjz75ZMcKDH4y7Rh+sh3H6 XZNlpqoo3rkoQybwOvtnCYQ/8hLBqJCcIcn34PFeq+BDA9H9E4OBXw8y4EgopQZfVkvtFyhKg4B x4Lf2N1QevJkT1nOzG0fA0zV79dTCoqNacPhWRwmYE31hrPVvl2LysCrC05pPqeDcrwM5ENu/9A frR9R0aUn9uGaX3Zt3ub+aMEXStkhEk8AYCEcaDwr8F2SLu1RPZFBUsaNxxoSrEvBb3Vz0fehy6 gaQ+MBJnrdWQxut+K6iGrmSSIRH8p8AOsyXrXz8tfu/4M1l6UI/Z2UoTgeupB3TUsp/OhP91GF/ 0KUnbS+qEEZLFHOr6RpAoJh4ZMV0frJ0fMQKtsZNuPOECvPYSb5CSPNqZD8oaVHWGv8tjcHr1ww BQLwOAhRV+B0Q1G0pk3P5OB0v/Zj9qJvO+Vc/BL2ds3EJxZ7kCoGXOyz3RVXFSk3xcJ+HdA4Tab bjirmWeZ8C8u6NB1RY4Bq3MhEDWTcg= X-Received: by 2002:a05:6000:2892:b0:439:b744:c601 with SMTP id ffacd0b85a97d-43b9ea638d1mr3375657f8f.40.1774610255710; Fri, 27 Mar 2026 04:17:35 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Jonathan Cameron Subject: [PATCH v2 35/65] target/arm: GICv5 cpuif: Implement ICC_IDR0_EL1 Date: Fri, 27 Mar 2026 11:16:30 +0000 Message-ID: <20260327111700.795099-36-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260327111700.795099-1-peter.maydell@linaro.org> References: <20260327111700.795099-1-peter.maydell@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=2a00:1450:4864:20::435; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-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: qemu development 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: 1774610368809158500 Content-Type: text/plain; charset="utf-8" ICC_IDR0_EL1 is an identification register; we can implement this as a simple constant value. Signed-off-by: Peter Maydell Reviewed-by: Jonathan Cameron --- target/arm/tcg/gicv5-cpuif.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/target/arm/tcg/gicv5-cpuif.c b/target/arm/tcg/gicv5-cpuif.c index 005e2fa8d2..497c09474b 100644 --- a/target/arm/tcg/gicv5-cpuif.c +++ b/target/arm/tcg/gicv5-cpuif.c @@ -38,6 +38,18 @@ FIELD(GIC_CDHM, HM, 32, 1) FIELD(GIC_CDRCFG, ID, 0, 24) FIELD(GIC_CDRCFG, TYPE, 29, 3) =20 +FIELD(ICC_IDR0_EL1, ID_BITS, 0, 4) +FIELD(ICC_IDR0_EL1, PRI_BITS, 4, 4) +FIELD(ICC_IDR0_EL1, GCIE_LEGACY, 8, 4) + +/* + * We implement 24 bits of interrupt ID, the mandated 5 bits of priority, + * and no legacy GICv3.3 vcpu interface (yet) + */ +#define QEMU_ICC_IDR0 \ + ((4 << R_ICC_IDR0_EL1_PRI_BITS_SHIFT) | \ + (1 << R_ICC_IDR0_EL1_ID_BITS_SHIFT)) + static GICv5Common *gicv5_get_gic(CPUARMState *env) { return env->gicv5state; @@ -220,6 +232,11 @@ static const ARMCPRegInfo gicv5_cpuif_reginfo[] =3D { .access =3D PL1_W, .type =3D ARM_CP_IO | ARM_CP_NO_RAW, .writefn =3D gic_cdhm_write, }, + { .name =3D "ICC_IDR0_EL1", .state =3D ARM_CP_STATE_AA64, + .opc0 =3D 3, .opc1 =3D 0, .crn =3D 12, .crm =3D 10, .opc2 =3D 2, + .access =3D PL1_R, .type =3D ARM_CP_CONST | ARM_CP_NO_RAW, + .resetvalue =3D QEMU_ICC_IDR0, + }, { .name =3D "ICC_ICSR_EL1", .state =3D ARM_CP_STATE_AA64, .opc0 =3D 3, .opc1 =3D 0, .crn =3D 12, .crm =3D 10, .opc2 =3D 4, .access =3D PL1_RW, .type =3D ARM_CP_NO_RAW, --=20 2.43.0