From nobody Sat Sep 6 17:15:39 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1757142361525692.6276475385584; Sat, 6 Sep 2025 00:06:01 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uumyw-0001Nb-Iq; Sat, 06 Sep 2025 03:05:06 -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 1uumyu-0001Jl-OT for qemu-devel@nongnu.org; Sat, 06 Sep 2025 03:05:04 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uumyi-0003Lk-Sg for qemu-devel@nongnu.org; Sat, 06 Sep 2025 03:05:04 -0400 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8DxN9EO3btoslgHAA--.15702S3; Sat, 06 Sep 2025 15:04:46 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowJDx_8MJ3btoC6OBAA--.17248S9; Sat, 06 Sep 2025 15:04:46 +0800 (CST) From: Bibo Mao To: Song Gao , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Cc: Jiaxun Yang , qemu-devel@nongnu.org Subject: [PATCH v4 07/13] target/loongarch: Add common API loongarch_tlb_search_cb() Date: Sat, 6 Sep 2025 15:04:35 +0800 Message-Id: <20250906070441.3749413-8-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250906070441.3749413-1-maobibo@loongson.cn> References: <20250906070441.3749413-1-maobibo@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJDx_8MJ3btoC6OBAA--.17248S9 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=114.242.206.163; envelope-from=maobibo@loongson.cn; helo=mail.loongson.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_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1757142365988124100 Content-Type: text/plain; charset="utf-8" Common API loongarch_tlb_search_cb() is added here to search TLB entry with specified address. Signed-off-by: Bibo Mao Reviewed-by: Richard Henderson --- target/loongarch/tcg/tlb_helper.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/target/loongarch/tcg/tlb_helper.c b/target/loongarch/tcg/tlb_h= elper.c index fda81f190a..5b78146769 100644 --- a/target/loongarch/tcg/tlb_helper.c +++ b/target/loongarch/tcg/tlb_helper.c @@ -203,19 +203,16 @@ static uint32_t get_random_tlb(uint32_t low, uint32_t= high) * field in tlb entry contains bit[47:13], so need adjust. * virt_vpn =3D vaddr[47:13] */ -static bool loongarch_tlb_search(CPULoongArchState *env, vaddr vaddr, - int *index) +static bool loongarch_tlb_search_cb(CPULoongArchState *env, vaddr vaddr, + int *index, int csr_asid, tlb_match fu= nc) { LoongArchTLB *tlb; - uint16_t csr_asid, tlb_asid, stlb_idx; + uint16_t tlb_asid, stlb_idx; uint8_t tlb_e, tlb_ps, stlb_ps; bool tlb_g; int i, compare_shift; uint64_t vpn, tlb_vppn; - tlb_match func; =20 - func =3D tlb_match_any; - csr_asid =3D FIELD_EX64(env->CSR_ASID, CSR_ASID, ASID); stlb_ps =3D FIELD_EX64(env->CSR_STLBPS, CSR_STLBPS, PS); vpn =3D (vaddr & TARGET_VIRT_MASK) >> (stlb_ps + 1); stlb_idx =3D vpn & 0xff; /* VA[25:15] <=3D=3D> TLBIDX.index for 16KiB = Page */ @@ -259,6 +256,17 @@ static bool loongarch_tlb_search(CPULoongArchState *en= v, vaddr vaddr, return false; } =20 +static bool loongarch_tlb_search(CPULoongArchState *env, vaddr vaddr, + int *index) +{ + int csr_asid; + tlb_match func; + + func =3D tlb_match_any; + csr_asid =3D FIELD_EX64(env->CSR_ASID, CSR_ASID, ASID); + return loongarch_tlb_search_cb(env, vaddr, index, csr_asid, func); +} + void helper_tlbsrch(CPULoongArchState *env) { int index, match; --=20 2.39.3