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Wed, 09 Aug 2023 05:37:14 -0700 (PDT) From: Jean-Philippe Brucker To: peter.maydell@linaro.org Cc: richard.henderson@linaro.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org, Jean-Philippe Brucker Subject: [PATCH v3 0/6] target/arm: Fixes for RME Date: Wed, 9 Aug 2023 13:37:00 +0100 Message-ID: <20230809123706.1842548-1-jean-philippe@linaro.org> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::435; envelope-from=jean-philippe@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=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org A few patches to fix RME support and allow booting a realm guest, based on "[PATCH v2 00/15] target/arm/ptw: Cleanups and a few bugfixes" https://lore.kernel.org/all/20230807141514.19075-1-peter.maydell@linaro.org/ Since v2: * Updated the comment in patch 5. I also removed the check for FEAT_RME, because as pointed out in "target/arm: Catch illegal-exception-return from EL3 with bad NSE/NS", the SCR_NSE bit can only be set with FEAT_RME enabled. Because of this additional change, I didn't add the Reviewed-by. * Added an EL-change hook to patch 6, to update the timer IRQ when changing the security state. I was wondering whether the el_change function should filter security state changes, since we only need to update IRQ state when switching between Root and Secure/NonSecure. But with a small syscall benchmark exercising EL0-EL1 switch with FEAT_RME enabled, I couldn't see any difference with and without the el_change hook, so I kept it simple. * Also added the .raw_write callback for CNTHCTL_EL2. v2: https://lore.kernel.org/all/20230802170157.401491-1-jean-philippe@linaro.org/ Jean-Philippe Brucker (6): target/arm/ptw: Load stage-2 tables from realm physical space target/arm/helper: Fix tlbmask and tlbbits for TLBI VAE2* target/arm: Skip granule protection checks for AT instructions target/arm: Pass security space rather than flag for AT instructions target/arm/helper: Check SCR_EL3.{NSE,NS} encoding for AT instructions target/arm/helper: Implement CNTHCTL_EL2.CNT[VP]MASK target/arm/cpu.h | 4 + target/arm/internals.h | 25 +++--- target/arm/cpu.c | 4 + target/arm/helper.c | 184 ++++++++++++++++++++++++++++++---------- target/arm/ptw.c | 39 ++++++--- target/arm/trace-events | 7 +- 6 files changed, 188 insertions(+), 75 deletions(-)