From nobody Sat Sep 6 17:15:43 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 1756889397850614.1221449228478; Wed, 3 Sep 2025 01:49:57 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1utjAl-0003SP-Fz; Wed, 03 Sep 2025 04:48:55 -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 1utjAY-0003LE-Ef for qemu-devel@nongnu.org; Wed, 03 Sep 2025 04:48:42 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1utjAW-0007Nc-Ab for qemu-devel@nongnu.org; Wed, 03 Sep 2025 04:48:42 -0400 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8AxztLlALhoMScGAA--.12811S3; Wed, 03 Sep 2025 16:48:37 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowJDxbMHcALhoc916AA--.5293S9; Wed, 03 Sep 2025 16:48:36 +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 v3 07/12] target/loongarch: Add common API loongarch_tlb_search_cb() Date: Wed, 3 Sep 2025 16:48:22 +0800 Message-Id: <20250903084827.3085911-8-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250903084827.3085911-1-maobibo@loongson.cn> References: <20250903084827.3085911-1-maobibo@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJDxbMHcALhoc916AA--.5293S9 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: 1756889400984124100 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 | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/target/loongarch/tcg/tlb_helper.c b/target/loongarch/tcg/tlb_h= elper.c index 006fe1b207..fc853f6e80 100644 --- a/target/loongarch/tcg/tlb_helper.c +++ b/target/loongarch/tcg/tlb_helper.c @@ -207,18 +207,16 @@ 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 asid, tlb_match func) { LoongArchTLB *tlb; uint16_t csr_asid, tlb_asid, stlb_idx; uint8_t tlb_e, tlb_ps, tlb_g, stlb_ps; 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); + csr_asid =3D 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 */ @@ -262,6 +260,17 @@ 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 asid; + tlb_match func; + + func =3D tlb_match_any; + asid =3D FIELD_EX64(env->CSR_ASID, CSR_ASID, ASID); + return loongarch_tlb_search_cb(env, vaddr, index, asid, func); +} + void helper_tlbsrch(CPULoongArchState *env) { int index, match; --=20 2.39.3