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[59.124.168.89]) by smtp.gmail.com with ESMTPSA id iy9-20020a170903130900b001c60a2b5c61sm5691375plb.134.2023.11.06.03.15.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Nov 2023 03:15:18 -0800 (PST) From: Jerry Zhang Jian To: alistair.francis@wdc.com, palmer@dabbelt.com, frank.chang@sifive.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Jerry Zhang Jian Subject: [PATCH] target/riscv: don't enable Zfa by default Date: Mon, 6 Nov 2023 19:14:40 +0800 Message-ID: <20231106111440.59995-1-jerry.zhangjian@sifive.com> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=jerry.zhangjian@sifive.com; helo=mail-pl1-x62b.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=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 06 Nov 2023 09:10:30 -0500 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org - Zfa requires F, we should not assume all CPUs have F extension support. Signed-off-by: Jerry Zhang Jian --- target/riscv/cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index ac4a6c7eec..c9f11509c8 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -1247,7 +1247,7 @@ const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = { MULTI_EXT_CFG_BOOL("zihintntl", ext_zihintntl, true), MULTI_EXT_CFG_BOOL("zihintpause", ext_zihintpause, true), MULTI_EXT_CFG_BOOL("zawrs", ext_zawrs, true), - MULTI_EXT_CFG_BOOL("zfa", ext_zfa, true), + MULTI_EXT_CFG_BOOL("zfa", ext_zfa, false), MULTI_EXT_CFG_BOOL("zfh", ext_zfh, false), MULTI_EXT_CFG_BOOL("zfhmin", ext_zfhmin, false), MULTI_EXT_CFG_BOOL("zve32f", ext_zve32f, false),