From patchwork Fri Apr 7 03:30:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weiwei Li X-Patchwork-Id: 13204434 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 C3C6AC6FD1D for ; Fri, 7 Apr 2023 03:31:24 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pkco5-0006W0-1F; Thu, 06 Apr 2023 23:30:33 -0400 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 1pkco1-0006TH-Rk; Thu, 06 Apr 2023 23:30:30 -0400 Received: from smtp80.cstnet.cn ([159.226.251.80] helo=cstnet.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pkcny-0001oC-TO; Thu, 06 Apr 2023 23:30:29 -0400 Received: from localhost.localdomain (unknown [180.175.29.170]) by APP-01 (Coremail) with SMTP id qwCowACXIdRIji9kvdtkAA--.16022S2; Fri, 07 Apr 2023 11:30:17 +0800 (CST) From: Weiwei Li To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, wangjunqiang@iscas.ac.cn, lazyparser@gmail.com, Weiwei Li Subject: [PATCH] target/riscv: Mask the implicitly enabled extensions in isa_string based on priv version Date: Fri, 7 Apr 2023 11:30:14 +0800 Message-Id: <20230407033014.40901-1-liweiwei@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CM-TRANSID: qwCowACXIdRIji9kvdtkAA--.16022S2 X-Coremail-Antispam: 1UD129KBjvdXoWrKF4UAF17JFyrXF47ZrWUArb_yoWkJrX_Gw n2gFn7Xw1jqF4j9ay5XayYyr1xG3s5Grs5Gws3Kw47Ja47WrZ7Z3W0qFWDJr1Uu3yxCF93 t39rJa47Gr1rujkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbxxFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVWxJr 0_GcWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2 Y2ka0xkIwI1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4 xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43 MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I 0E14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWU JVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfUoO J5UUUUU X-Originating-IP: [180.175.29.170] X-CM-SenderInfo: 5olzvxxzhlqxpvfd2hldfou0/ Received-SPF: pass client-ip=159.226.251.80; envelope-from=liweiwei@iscas.ac.cn; helo=cstnet.cn 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, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-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 Using implicitly enabled extensions such as Zca/Zcf/Zcd instead of their super extensions can simplify the extension related check. However, they may have higher priv version than their super extensions. So we should mask them in the isa_string based on priv version to make them invisible to user if the specified priv version is lower than their minimal priv version. Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang Reviewed-by: Daniel Henrique Barboza --- target/riscv/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index cb68916fce..1a5099382c 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -1709,6 +1709,7 @@ static void riscv_isa_string_ext(RISCVCPU *cpu, char **isa_str, for (i = 0; i < ARRAY_SIZE(isa_edata_arr); i++) { if (isa_edata_arr[i].multi_letter && + (cpu->env.priv_ver >= isa_edata_arr[i].min_version) && isa_ext_is_enabled(cpu, &isa_edata_arr[i])) { new = g_strconcat(old, "_", isa_edata_arr[i].name, NULL); g_free(old);