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([172.58.111.133]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-741a71dc78asm380409a34.30.2025.08.02.16.39.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 02 Aug 2025 16:39:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1754177947; x=1754782747; 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=ZELB4+c17Zgz1LBTVaRPLkTpYEUU2ZnNce3ABKyIZzo=; b=mYO2mnHTTdnJMV2qUKKrAUu5gk/FoQ+EeKMnANZaQoe0QEcWCS7SGK+S06yWbv5VrC JprO0MHsAhyIf19rtm4dt0kAaA1aJHQt6WNvzgRUMNSUozJH61/hzQ1rhCxnOQx38HxU rVKqUF1wHUWOJmQ7VL4vGNfyDEUs71Ypa9HV2XL0Xc1zEGRQn/fUr48oN+F3P+7FQW7P f1sgnmxP3Rqlb+gqsX0LoNL6NSxrwMY8HKn40wwL9OoFx5Zyy/Aaw5P6ifO/h6kIuWLA cs6o1VNC/IhrVAgbxWIk+QIxcfoSt7uPrCGIyw9KyjkLinss6pJf4pRgjgiebwlRNzpZ jwZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754177947; x=1754782747; 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=ZELB4+c17Zgz1LBTVaRPLkTpYEUU2ZnNce3ABKyIZzo=; b=kPaJr/O7t8wJHLSURoK/D5TKrlK9AeIgwuBjVvIRl+1C8C2Pp687i+UZh/7PIQWSA6 sGSeBcvzX4uk/TT2idlJhs1UJ0VH5oh+r4X25wgOCbTO4rYVPp2PwxmYSImcGlywmEOg i/CjsmPeAQI9/mwiJJyL7MP37Xghy0NVKB1CVrF4HvWa7dGMSAS49V6NPCAKn8iaJrtu ZYCEdSZHRqTKdXGjOOXsgJJ1FGktNio20sACVXJJJa+zZKlQLCMZgmzSDUEFBVagLios HBHF+gMlVELBZ28kpzzv0Y1kdyTFQMgKjEn6/C17Y6vkUeqN6ZDHwALQw1CK25iG26bA Tnnw== X-Gm-Message-State: AOJu0YzC48E3tht+dnwRZ8u2QH3eP8wEk3etQ8dRf+bwVX112q4lh6TY 5ToNOJTO07LRW2NpJz4BI5QoRl9uKmj+DJAmNXAGxyTEpMbawAUpFX7I8NTT1bI1+DR0QnaPuo0 XM1EcQig= X-Gm-Gg: ASbGncs9vWAi/yiuf9/3tXVsVYNURqFDLELnjuA/2rxd6Xqkf32wGBK6Y1TuOf/Ms3z aO4lVZ8urrgYx5gxJ3PKack01pski7RdZK9W+R1GDuROCzTZyyj5G53EKZsOf8eaCjb3FNgOcFh dR+LMMBYQX5uuDONughDWfDvEOpR9rTpnP0P+XqropJ9sHmWeliPpdAWWEXwd1mKXp7wTlnbyx6 lm5EGGSPl/4SIsbvZqabNDVoLwjPtcVtpUhFabrJ7NrcSlnH3MvN5ZznqJViO4I/zxbjRN0mTL1 m19haWC8UaYBE1z6HNspLcM+8o1509+CSL3FHaxhWi7lQWHiHMRc2YVLknessarvInvJ/cP+GRy xLV5OOCNnvB4PpnSOI0dYXqkUgQ2LkSvjyJInFiiYJMMicB1HZ+ST X-Google-Smtp-Source: AGHT+IHnCCpJSDXAGpmY2SYqxwmeyMlu0IYldiLnS6LWJvYlivhbMTL8TMZTDe1RMcG1s6ZkhQun9Q== X-Received: by 2002:a05:6830:308a:b0:741:a8f0:db5f with SMTP id 46e09a7af769-741a8f0dde3mr980023a34.7.1754177947502; Sat, 02 Aug 2025 16:39:07 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Pierrick Bouvier Subject: [PATCH v2 78/85] target/arm: Enable GCSPR_EL0 for read in user-mode Date: Sun, 3 Aug 2025 09:29:46 +1000 Message-ID: <20250802232953.413294-79-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250802232953.413294-1-richard.henderson@linaro.org> References: <20250802232953.413294-1-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::335; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-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=unavailable 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: 1754178675880124100 Content-Type: text/plain; charset="utf-8" Reviewed-by: Pierrick Bouvier Signed-off-by: Richard Henderson --- target/arm/cpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index ec63297165..284d1870ec 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -317,6 +317,10 @@ static void arm_cpu_reset_hold(Object *obj, ResetType = type) env->cp15.mdscr_el1 |=3D 1 << 12; /* Enable FEAT_MOPS */ env->cp15.sctlr_el[1] |=3D SCTLR_MSCEN; + /* For Linux, GCSPR_EL0 is always readable. */ + if (cpu_isar_feature(aa64_gcs, cpu)) { + env->cp15.gcscr_el[0] =3D GCSCRE0_NTR; + } #else /* Reset into the highest available EL */ if (arm_feature(env, ARM_FEATURE_EL3)) { --=20 2.43.0