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([172.58.142.143]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4a994a78dd4sm69050351cf.51.2025.07.07.13.21.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jul 2025 13:21:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1751919676; x=1752524476; 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=jc2oN7irUyYl9X7QOUlSFDFaLc2q7UiRV+m8B2csJtc=; b=cx62i4ah8zTMhBYuDcectY9D9PP4+RcTDVZxt7OFWgL2izUa3F4Rcvs5juBB2JLpq4 7PaebbydouGh37fBMWXlskc2gIIzsitihkaCTVrBUHRHK9JqhA7zL4musbxjUJZOX1MY FFdLwtwMmv6FttbNNYdl/sf1Q1C8RHUU6XrYz2vfZHZWcB2XlQlmJ7HCfVp+Cuxke9vp 01oinG/Do35aECgD7E4vDRiS+PFb84ZwBseSGseK5pqG3aBvlqxXYdpopSk6rQeC8OkY J6qzaofGHgrgpGRRtl+PToYnov5VTJ2884N3v3+BBm3O8l9dFQ+VDvDdWYu0OhNqrxHw TG9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751919676; x=1752524476; 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=jc2oN7irUyYl9X7QOUlSFDFaLc2q7UiRV+m8B2csJtc=; b=xMOnL6G3mkC7czXiWPAHMrHbo+p909CP0DF8OQ4iRfE5kUte3mCSrdcPBg8z6WItfZ YnpOXGWZYyCoNjOE2SpH3xqhhv3/wRLlEjsuQKYcjXYRxJSmiK+6qrFqNoS7bCNge0f4 q5IIc7pzAXNHGn0B6zMfSoWfz2kXPM6bvGTdzQO1wU7gGKSHc0sDM98H7uryGbavTYTN qwIP5kI04dchUQWLt/aUuL5pztmp90JRGo3Om5baSEFJlG+Dk+4r/4A59iVLxu1yWsNu zt7yPpOATy9JytWvR78T/TPFwzjplnuIFV6stZxDb5L1L2MF+6pYrIsWQcFG7WJFjxmw WTkw== X-Gm-Message-State: AOJu0YxeQAY4O0+FvdqCZDzSFkcQX9ygJ9aWeLd3rvopev5+c4RnUOfF wAnjy/Uz3T3yA+t8cI6ewCTR5oD3GZ5eWsBHc75Jp4nspal0yF8d/b/Uf0P2ZMqK/EEgsPk/7wU FXR6TbZ0= X-Gm-Gg: ASbGncvGY819NXD774If0OL+76nwsDfwgstl5jEgU1Yp673v70yPlDHfU2NIL14oY4v xT15R19Un8i/Q9pPlA3STILYDWt6l3h99197JFCAv9roHnMvp3xgVs2HytrdkTBdQzm80x0SesC KHIGF53g51Tr2SOhSQTX8V6+VRIT64BqRrcIlxjKK2InowTakDA87NWG7S7rcjVN92ukN0tEAGG TMARXTDyEl/XdQxE5n4a8ElsE+VpuZQ05DsxQvnxHqC0sPdF8sAgBIVAVsR+a4UcalXQO3C9oWS 02Wv50Xk7ADNen9lY2Imwz6XtCvKCW8qF/PvxCpkuOftIBlVpbABvHq1r7RZ05fRCDmmFogLVRQ GpnIGnIM9zfXVSIap X-Google-Smtp-Source: AGHT+IGhza7YbWOCfWAOzvKZyRCkyo7i9yuD4JzgHHcoFlXcZtVZhr47fHurAKIOB0g/PNWjAKluyw== X-Received: by 2002:a05:622a:410c:b0:4a6:ef77:3deb with SMTP id d75a77b69052e-4a99881e795mr219551371cf.40.1751919676605; Mon, 07 Jul 2025 13:21:16 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 01/20] target/arm: Convert get_phys_addr_v5 to access_perm Date: Mon, 7 Jul 2025 14:20:52 -0600 Message-ID: <20250707202111.293787-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250707202111.293787-1-richard.henderson@linaro.org> References: <20250707202111.293787-1-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::82e; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82e.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: 1751922068565116600 Content-Type: text/plain; charset="utf-8" Begin conversion of get_phys_addr and all subroutines from MMUAccessType to a mask of required permissions. Notably, access_perm may be 0 in order to disable the permissions check. Signed-off-by: Richard Henderson --- target/arm/ptw.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 561bf2678e..760387b4da 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -979,7 +979,7 @@ static int simple_ap_to_rw_prot(CPUARMState *env, ARMMM= UIdx mmu_idx, int ap) } =20 static bool get_phys_addr_v5(CPUARMState *env, S1Translate *ptw, - uint32_t address, MMUAccessType access_type, + uint32_t address, unsigned access_perm, GetPhysAddrResult *result, ARMMMUFaultInfo *f= i) { int level =3D 1; @@ -1089,7 +1089,7 @@ static bool get_phys_addr_v5(CPUARMState *env, S1Tran= slate *ptw, } result->f.prot =3D ap_to_rw_prot(env, ptw->in_mmu_idx, ap, domain_prot= ); result->f.prot |=3D result->f.prot ? PAGE_EXEC : 0; - if (!(result->f.prot & (1 << access_type))) { + if (access_perm & ~result->f.prot) { /* Access permission fault. */ fi->type =3D ARMFault_Permission; goto do_fault; @@ -3515,7 +3515,7 @@ static bool get_phys_addr_nogpc(CPUARMState *env, S1T= ranslate *ptw, regime_sctlr(env, mmu_idx) & SCTLR_XP) { return get_phys_addr_v6(env, ptw, address, access_type, result, fi= ); } else { - return get_phys_addr_v5(env, ptw, address, access_type, result, fi= ); + return get_phys_addr_v5(env, ptw, address, 1 << access_type, resul= t, fi); } } =20 --=20 2.43.0