From patchwork Tue Feb 28 10:40:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bin Meng X-Patchwork-Id: 13154681 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CE4E1C64ED6 for ; Tue, 28 Feb 2023 10:46:51 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pWxVD-0003ii-LA; Tue, 28 Feb 2023 05:46:35 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pWxV9-0003Xf-Rr; Tue, 28 Feb 2023 05:46:32 -0500 Received: from bg4.exmail.qq.com ([43.155.65.254]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pWxV5-0003XV-W9; Tue, 28 Feb 2023 05:46:31 -0500 X-QQ-mid: bizesmtp85t1677581170tr84l4mw Received: from pek-vx-bsp2.wrs.com ( [60.247.85.88]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 28 Feb 2023 18:46:07 +0800 (CST) X-QQ-SSF: 01200000000000D0E000000A0000000 X-QQ-FEAT: D2GZf6M6C/g6LR3Qn4xUcm+tmJy7LNIag81tPF45BkWK48pdQer2uuQhYkpja WuQfocvkZ33n4LKFaBQXl2G13jv+/iOZRKPprpzw8yZb8Ry72jYy9/jnN87DmDGYooZ6g/v xTafHOgRxUMbtUbbMZelTHxywjEs7+SdC8Vv78+a76u/0FhAAr5xZvUcmn/qfqAGnz0UUhA aXtppBh89YYdmrSkh5NLKkga8PjY51ryfqza5rvENVnrLQMiJMpV+gc7TlqAD2PmM/vvyAP VMvWy6X/EIsxUYbHYS6mbe3o39/LT20ZW1J5aW5rz8zlXJqHdOcWTdGmAxXWonaVzrxB45l atAJSMp18o4jRWmk6ZA/eT0U8jWaYuKvYraTFXvMY6siu4dz0o= X-QQ-GoodBg: 0 From: Bin Meng To: qemu-devel@nongnu.org Cc: Weiwei Li , LIU Zhiwei , Alistair Francis , Bin Meng , Daniel Henrique Barboza , Palmer Dabbelt , qemu-riscv@nongnu.org Subject: [PATCH v2 05/18] target/riscv: gdbstub: Do not generate CSR XML if Zicsr is disabled Date: Tue, 28 Feb 2023 18:40:21 +0800 Message-Id: <20230228104035.1879882-6-bmeng@tinylab.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230228104035.1879882-1-bmeng@tinylab.org> References: <20230228104035.1879882-1-bmeng@tinylab.org> MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:tinylab.org:qybglogicsvr:qybglogicsvr3 Received-SPF: pass client-ip=43.155.65.254; envelope-from=bmeng@tinylab.org; helo=bg4.exmail.qq.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org There is no need to generate the CSR XML if the Zicsr extension is not enabled. Signed-off-by: Bin Meng Reviewed-by: Weiwei Li Reviewed-by: LIU Zhiwei --- (no changes since v1) target/riscv/gdbstub.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c index 704f3d6922..294f0ceb1c 100644 --- a/target/riscv/gdbstub.c +++ b/target/riscv/gdbstub.c @@ -406,7 +406,10 @@ void riscv_cpu_register_gdb_regs_for_features(CPUState *cs) g_assert_not_reached(); } - gdb_register_coprocessor(cs, riscv_gdb_get_csr, riscv_gdb_set_csr, - riscv_gen_dynamic_csr_xml(cs, cs->gdb_num_regs), - "riscv-csr.xml", 0); + if (cpu->cfg.ext_icsr) { + int base_reg = cs->gdb_num_regs; + gdb_register_coprocessor(cs, riscv_gdb_get_csr, riscv_gdb_set_csr, + riscv_gen_dynamic_csr_xml(cs, base_reg), + "riscv-csr.xml", 0); + } }