From patchwork Thu Oct 10 06:35:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: gaosong X-Patchwork-Id: 13829588 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 398BDCF07B3 for ; Thu, 10 Oct 2024 06:54:24 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1syn34-00019b-1v; Thu, 10 Oct 2024 02:53:22 -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 1syn31-00018L-DI for qemu-devel@nongnu.org; Thu, 10 Oct 2024 02:53:19 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1syn2y-00040s-Nt for qemu-devel@nongnu.org; Thu, 10 Oct 2024 02:53:18 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxeXLVeQdn8uIRAA--.25841S3; Thu, 10 Oct 2024 14:53:09 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowMBxXuTTeQdnBiAiAA--.41709S5; Thu, 10 Oct 2024 14:53:08 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, maobibo@loongson.cn, philmd@linaro.org Subject: [PATCH v2 3/5] target/loongarch: Add do_fill_tlb_entry() Date: Thu, 10 Oct 2024 14:35:34 +0800 Message-Id: <20241010063536.2276871-4-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20241010063536.2276871-1-gaosong@loongson.cn> References: <20241010063536.2276871-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: qMiowMBxXuTTeQdnBiAiAA--.41709S5 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@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_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org do_fill_tlb_entry is used to fill a tlb entry. Signed-off-by: Song Gao --- target/loongarch/tcg/tlb_helper.c | 43 ++++++++++++++++++------------- 1 file changed, 25 insertions(+), 18 deletions(-) diff --git a/target/loongarch/tcg/tlb_helper.c b/target/loongarch/tcg/tlb_helper.c index 3c3452b316..bc6d708484 100644 --- a/target/loongarch/tcg/tlb_helper.c +++ b/target/loongarch/tcg/tlb_helper.c @@ -160,11 +160,33 @@ static void invalidate_tlb(CPULoongArchState *env, int index) invalidate_tlb_entry(env, index); } -static void fill_tlb_entry(CPULoongArchState *env, int index) +static void do_fill_tlb_entry(CPULoongArchState *env, uint64_t vppn, + uint64_t lo0, uint64_t lo1, int index, uint8_t ps) { LoongArchTLB *tlb = &env->tlb[index]; + uint16_t asid; + + if (ps == 0) { + qemu_log_mask(CPU_LOG_MMU, "page size is 0\n"); + } + + /* Only MTLB has the ps fields */ + if (index >= LOONGARCH_STLB) { + tlb->tlb_misc = FIELD_DP64(tlb->tlb_misc, TLB_MISC, PS, ps); + } + + tlb->tlb_misc = FIELD_DP64(tlb->tlb_misc, TLB_MISC, VPPN, vppn); + tlb->tlb_misc = FIELD_DP64(tlb->tlb_misc, TLB_MISC, E, 1); + asid = FIELD_EX64(env->CSR_ASID, CSR_ASID, ASID); + tlb->tlb_misc = FIELD_DP64(tlb->tlb_misc, TLB_MISC, ASID, asid); + + tlb->tlb_entry0 = lo0; + tlb->tlb_entry1 = lo1; +} + +static void fill_tlb_entry(CPULoongArchState *env, int index) +{ uint64_t lo0, lo1, csr_vppn; - uint16_t csr_asid; uint8_t csr_ps; if (FIELD_EX64(env->CSR_TLBRERA, CSR_TLBRERA, ISTLBR)) { @@ -187,22 +209,7 @@ static void fill_tlb_entry(CPULoongArchState *env, int index) lo1 = env->CSR_TLBELO1; } - if (csr_ps == 0) { - qemu_log_mask(CPU_LOG_MMU, "page size is 0\n"); - } - - /* Only MTLB has the ps fields */ - if (index >= LOONGARCH_STLB) { - tlb->tlb_misc = FIELD_DP64(tlb->tlb_misc, TLB_MISC, PS, csr_ps); - } - - tlb->tlb_misc = FIELD_DP64(tlb->tlb_misc, TLB_MISC, VPPN, csr_vppn); - tlb->tlb_misc = FIELD_DP64(tlb->tlb_misc, TLB_MISC, E, 1); - csr_asid = FIELD_EX64(env->CSR_ASID, CSR_ASID, ASID); - tlb->tlb_misc = FIELD_DP64(tlb->tlb_misc, TLB_MISC, ASID, csr_asid); - - tlb->tlb_entry0 = lo0; - tlb->tlb_entry1 = lo1; + do_fill_tlb_entry(env, csr_vppn, lo0, lo1, index, csr_ps); } /* Return an random value between low and high */