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[176.184.17.116]) by smtp.gmail.com with ESMTPSA id w8-20020a056402070800b0054aeac2c4b9sm591628edx.81.2023.11.30.06.25.32 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 30 Nov 2023 06:25:32 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH-for-9.0 2/3] target/arm: Restrict DC CVAP & DC CVADP instructions to TCG accel Date: Thu, 30 Nov 2023 15:25:18 +0100 Message-ID: <20231130142519.28417-3-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231130142519.28417-1-philmd@linaro.org> References: <20231130142519.28417-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::12d; envelope-from=philmd@linaro.org; helo=mail-lf1-x12d.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, T_SCC_BODY_TEXT_LINE=-0.01 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Hardware accelerators handle that in *hardware*. Signed-off-by: Philippe Mathieu-Daudé --- target/arm/helper.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/arm/helper.c b/target/arm/helper.c index 4844cf1d78..20e13215bb 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -7645,6 +7645,7 @@ static const ARMCPRegInfo rndr_reginfo[] = { static void dccvap_writefn(CPUARMState *env, const ARMCPRegInfo *opaque, uint64_t value) { +#ifdef CONFIG_TCG ARMCPU *cpu = env_archcpu(env); /* CTR_EL0 System register -> DminLine, bits [19:16] */ uint64_t dline_size = 4 << ((cpu->ctr >> 16) & 0xF); @@ -7669,6 +7670,10 @@ static void dccvap_writefn(CPUARMState *env, const ARMCPRegInfo *opaque, } #endif /*CONFIG_USER_ONLY*/ } +#else + /* Handled by hardware accelerator. */ + g_assert_not_reached(); +#endif /* CONFIG_TCG */ } static const ARMCPRegInfo dcpop_reg[] = {