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[81.2.115.145]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43b919cf2b2sm15484227f8f.18.2026.03.27.04.17.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Mar 2026 04:17:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1774610251; x=1775215051; 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=xoRGta1aZeQteYUJwBZiFNsYjMFLQaWe8l3517JXolw=; b=gZws7ldrZOgt/fiKrjUZTsOBGyzFv+j0h4B/rleILE/svzuv8Yj2+xXE4uUMkw0fC1 HvdX45hHQsGqT9TNMqDQxx0vm/H6mc8tF7m4iXOTmwoGDpDM4DjTpywguFc0LSl8/gwc WqxFdVkwsfQzJc4U31wJOuhu0Qa2OzZecQDEgRP+zWAs/yYYnZmkIfEL2IPWu/6XPAy8 lj02SmRisptogSZf14xdiVa6O5fzvzoRE8irX6nVxlOiqYztJP4XynY2VTpdRXfog0I+ dqE1u/31hA3Lo4L9jFyWW5QvZ4fMGN7yarhXaepKKPfvpCxhkmytwbcPanOmwUZL/fVD OAfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774610251; x=1775215051; 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=xoRGta1aZeQteYUJwBZiFNsYjMFLQaWe8l3517JXolw=; b=dvAwHQYj7PI8ykfDH+FkDQR/K4JHB39qf+IXwdqTojMrw3jIz85eTYSxKSv76mIXE4 Tdp/EF474G2+HXex7ojyPmf2Ubltjq8qAuZZ6iWaBs3zYF4KkxzLuGt067W7qfke5Zu4 9+XmTPoTZmoJm1TyGHXJvucC2tpa7jX6lSR6Gn/3ji+NfyWNvKEmoBQ7nEvzgyYL3mlb mf2z1tc1jspHsP6ZxHdcAvdKxFqA2AgNoDhyE6VLzhEo/AH1HMxfrr4NmYIJvEZf7+AP 33TVI0M3DAYkmK6lvSRaPS2ADYE4OwYuRTY8TkqwK92Nc5EPjWryyWYJnJzAEQQ7akAN cS4A== X-Forwarded-Encrypted: i=1; AJvYcCXVoZqRZkFXXKm0MeEgCEQvc2FSobxX6Dbye4CKaBa3/Am/23oFSrwTHIbTLc7Iqx1J/37gBm0Wpn6+@nongnu.org X-Gm-Message-State: AOJu0Yw1jebvqD8BzKv01d21fV8rQlGEQg9E1TomWGBlr5EB8nKBh/VS IG48OOgTQt3i0smN+b15IuYWqWBwH71te0YjJXvUu2B+8ZekqmDWVpcMUkErhLiOSuI= X-Gm-Gg: ATEYQzyzXNNILLP62jtf7560R7jiUQooRllLfmqCMehHmOGOU00TXDU91IrH6392tLS OGJ4SRtigma4sZF+xcLHno8i5wt7doviNn4ZP3jbLvY3ITKtyj/nEHq6ne17sbQte0k2qSGxyzE zfaGXLijGWRWXxGRWw8UXYuOp9bjH6ChlJ2pS+Er8zttjzHdzMtS019wKMqTMNc/OHpKBS4OcP8 ahvQkAkGLZ+XR4dbEthKx0E12mOkg49uG2kTSVer/iW9vBaS6dWr+ZUp4z9EHNGAUvxApiFbaMV TBi0PZ0/kxu8zQfDDwhw+h84x6ttxwG3NCog5s9Q2V+hzlCTZS02y0rIwL1OIaEyqnUn0wnLFyz LnTqMaYtS32OumhoxsqtBojEeIwVX8CITmBDq+VS0pA4D3jv/6exmR9c9Yq7/f60qe9rbXih7Tu G2gV3+mfqHFj0lfnpJyZPIbE/wEmxv54XMQkx6yl5KF3MpBhDLbJC7w/k4hOeoVQqaRQfrL/mnB 47VsvoRXU8efqh092c7nXpKj3D1J9s= X-Received: by 2002:a05:600c:1e8c:b0:485:304a:58cd with SMTP id 5b1f17b1804b1-48727d5a25dmr34381805e9.4.1774610250547; Fri, 27 Mar 2026 04:17:30 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Jonathan Cameron Subject: [PATCH v2 30/65] hw/intc/arm_gicv5: Implement IRS_SYNCR and IRS_SYNC_STATUSR Date: Fri, 27 Mar 2026 11:16:25 +0000 Message-ID: <20260327111700.795099-31-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::335; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x335.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: 1774610276213154100 Content-Type: text/plain; charset="utf-8" The IRS_SYNCR register is used by software to request synchronization of interrupt events. This means that in-flight interrupt events are guaranteed to have been delivered. Since QEMU's implementation is entirely synchronous, syncs are a no-op for us. This means we can ignore writes to IRS_SYNCR and always report "sync complete" via the IDLE bit in IRS_SYNC_STATUSR. Signed-off-by: Peter Maydell Reviewed-by: Jonathan Cameron --- hw/intc/arm_gicv5.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/intc/arm_gicv5.c b/hw/intc/arm_gicv5.c index 3f397d9115..7b0d9e16c4 100644 --- a/hw/intc/arm_gicv5.c +++ b/hw/intc/arm_gicv5.c @@ -1087,6 +1087,10 @@ static bool config_readl(GICv5 *s, GICv5Domain domai= n, hwaddr offset, case A_IRS_CR1: *data =3D cs->irs_cr1[domain]; return true; + case A_IRS_SYNC_STATUSR: + /* Sync is a no-op for QEMU: we are always IDLE */ + *data =3D R_IRS_SYNC_STATUSR_IDLE_MASK; + return true; } =20 return false; @@ -1172,6 +1176,9 @@ static bool config_writel(GICv5 *s, GICv5Domain domai= n, hwaddr offset, case A_IRS_CR1: cs->irs_cr1[domain] =3D data; return true; + case A_IRS_SYNCR: + /* Sync is a no-op for QEMU: ignore write */ + return true; } =20 return false; --=20 2.43.0