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Thu, 25 Sep 2025 17:11:40 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 06/10] target/arm: Implement GPT_NonSecureOnly Date: Thu, 25 Sep 2025 17:11:30 -0700 Message-ID: <20250926001134.295547-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250926001134.295547-1-richard.henderson@linaro.org> References: <20250926001134.295547-1-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::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.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, 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: 1758845642034116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- target/arm/ptw.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 3df5d4da12..56a3cd8fa0 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -318,6 +318,7 @@ static bool regime_translation_disabled(CPUARMState *en= v, ARMMMUIdx mmu_idx, =20 static bool granule_protection_check(CPUARMState *env, uint64_t paddress, ARMSecuritySpace pspace, + ARMSecuritySpace ss, ARMMMUFaultInfo *fi) { MemTxAttrs attrs =3D { @@ -490,6 +491,13 @@ static bool granule_protection_check(CPUARMState *env,= uint64_t paddress, return true; } break; + case 0b1101: /* non-secure only */ + /* aa64_rme_gpc2 was checked in gpccr_write */ + if (FIELD_EX64(gpccr, GPCCR, NSO)) { + return (pspace =3D=3D ARMSS_NonSecure && + (ss =3D=3D ARMSS_NonSecure || ss =3D=3D ARMSS_Root)); + } + goto fault_walk; default: goto fault_walk; /* reserved */ } @@ -3553,7 +3561,7 @@ static bool get_phys_addr_gpc(CPUARMState *env, S1Tra= nslate *ptw, return true; } if (!granule_protection_check(env, result->f.phys_addr, - result->f.attrs.space, fi)) { + result->f.attrs.space, ptw->in_space, fi= )) { fi->type =3D ARMFault_GPCFOnOutput; return true; } --=20 2.43.0