From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B9A1C07E95 for ; Tue, 20 Jul 2021 12:09:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 1222060FE7 for ; Tue, 20 Jul 2021 12:09:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1222060FE7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:37964 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m5oZE-0000xq-1U for qemu-devel@archiver.kernel.org; Tue, 20 Jul 2021 08:09:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41628) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m5oYA-0006tr-3s for qemu-devel@nongnu.org; Tue, 20 Jul 2021 08:08:38 -0400 Received: from mail-lf1-x130.google.com ([2a00:1450:4864:20::130]:45801) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m5oY6-0005Ih-Kr for qemu-devel@nongnu.org; Tue, 20 Jul 2021 08:08:37 -0400 Received: by mail-lf1-x130.google.com with SMTP id s13so13934944lfi.12 for ; Tue, 20 Jul 2021 05:08:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=jWX4ktgngGRaQ0VgGaztgdLQAAHQ10Z0eF4zEq1ag3g=; b=Z3mOEnwIW+OVY3mk33eFsqYjoTinGZJjzkqBhkSLb9nYq++095QYT+0J3HlUEhIbSV jXzhQvhMrIgHwPXoALa68rVWb54rJdHreuKwjEyhtpNWbYo1CW72uHhkOwiiwLNJlO35 DQfw0pcuaYIKIeRWA6XvxAFlYZP3ApYCK+ON4x33Dmrn7/jWX4tD6CM2HnOu8StVIVlZ c5dPpND8EG08FbKYzNS4vnrVrGngB/lKt9iEnmOWJP9f+b+0TsNzpo8/k27l3/6iJp41 WXMSvJj+VsRPiaSXhMxaZsY1UCDrwtUtJyyeQPdTzRFqr6k1SeXRclJxW4IzimfBGoXV 98Aw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=jWX4ktgngGRaQ0VgGaztgdLQAAHQ10Z0eF4zEq1ag3g=; b=R6AN8hjrSgePBsq0iup7J2R4gW44Am89xEWnPNC/Yger+ZB22m9mg/lJB2aKYIS4XM pwmw4Kq7hvTn8WzrfvuROe9sIf3UGEq7tNITkTKlAQuYNb8vL8CCgXCni21NJRG6uty9 SDkCBRdXymaPagdfNttMZ+01PrSDcwGEXqGwYJ01jXPFX5INB0CuqoF6kJgO1GmjwpSB UQvUzhjdM7a4w+RAH1qsOtuGGllaC4ujXwU/eSqYV5i7407RhG19Odadwhok/3HLb+cf E0o5eKVXAhUbEC17+QQxyG5o/V7bRcdXc3tb+mAQAG0CaCJLmUWKs7gRE4AB8EVXt1Kp Rf3g== X-Gm-Message-State: AOAM533v+8UTcjI6KOwQlRyKjU2UuniMh7dvX/7yHWUyhLl1/hAerLrx MC8Bv7UyIIM1HSS3wMn5nwOrQXncwtj0BYlL X-Google-Smtp-Source: ABdhPJyn2gIzMcVCJu2Krk/Q3gidnyJjXu+VPRwynlPWovhYcFrz8DSLelgmDgSFyOnkmNR49znTLA== X-Received: by 2002:ac2:5f1b:: with SMTP id 27mr12505977lfq.52.1626782910623; Tue, 20 Jul 2021 05:08:30 -0700 (PDT) Received: from pc-System-Product-Name.intra.ispras.ru ([85.142.117.226]) by smtp.gmail.com with ESMTPSA id h10sm1503032lfp.151.2021.07.20.05.08.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Jul 2021 05:08:30 -0700 (PDT) From: Arkadiy To: qemu-devel@nongnu.org Subject: [PATCH] mips/tlb_helper: Add support for 'info tlb' cmd Date: Tue, 20 Jul 2021 15:08:20 +0300 Message-Id: <20210720120820.48427-1-arkaisp2021@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::130; envelope-from=arkaisp2021@gmail.com; helo=mail-lf1-x130.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aleksandar.rikalo@syrmia.com, f4bug@amsat.org, NDNF , pavel.dovgaluk@ispras.ru, aurelien@aurel32.net Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: NDNF This adds hmp 'info tlb' command support for the mips platform. 1k pages are not supported. Signed-off-by: NDNF --- hmp-commands-info.hx | 3 ++- target/mips/cpu.h | 3 +++ target/mips/meson.build | 1 + target/mips/monitor.c | 26 ++++++++++++++++++++++ target/mips/tlb_helper.c | 48 ++++++++++++++++++++++++++++++++++++++++ 5 files changed, 80 insertions(+), 1 deletion(-) create mode 100644 target/mips/monitor.c diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index 117ba25f91..d6aab9839c 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -222,7 +222,8 @@ SRST ERST #if defined(TARGET_I386) || defined(TARGET_SH4) || defined(TARGET_SPARC) || \ - defined(TARGET_PPC) || defined(TARGET_XTENSA) || defined(TARGET_M68K) + defined(TARGET_PPC) || defined(TARGET_XTENSA) || defined(TARGET_M68K) || \ + defined(TARGET_MIPS) || defined(TARGET_MIPS64) { .name = "tlb", .args_type = "", diff --git a/target/mips/cpu.h b/target/mips/cpu.h index b9e227a30e..5aa6f2b760 100644 --- a/target/mips/cpu.h +++ b/target/mips/cpu.h @@ -1337,6 +1337,9 @@ void itc_reconfigure(struct MIPSITUState *tag); /* helper.c */ target_ulong exception_resume_pc(CPUMIPSState *env); +/*tlb_helper.c*/ +void dump_mmu(CPUMIPSState *env); + static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, target_ulong *pc, target_ulong *cs_base, uint32_t *flags) { diff --git a/target/mips/meson.build b/target/mips/meson.build index 9741545440..c0b19048ee 100644 --- a/target/mips/meson.build +++ b/target/mips/meson.build @@ -31,6 +31,7 @@ mips_softmmu_ss.add(files( 'cp0_timer.c', 'machine.c', 'mips-semi.c', + 'monitor.c', )) mips_softmmu_ss.add(when: 'CONFIG_TCG', if_true: files( 'cp0_helper.c', diff --git a/target/mips/monitor.c b/target/mips/monitor.c new file mode 100644 index 0000000000..9c9dfd2caa --- /dev/null +++ b/target/mips/monitor.c @@ -0,0 +1,26 @@ +/* + * monitor.c + * + * Copyright (c) 2010-2021 Institute for System Programming + * of the Russian Academy of Sciences. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "cpu.h" +#include "monitor/monitor.h" +#include "monitor/hmp-target.h" +#include "monitor/hmp.h" + +void hmp_info_tlb(Monitor *mon, const QDict *qdict) +{ + CPUArchState *env = mon_get_cpu_env(mon); + if (!env) { + monitor_printf(mon, "No CPU available\n"); + return; + } + dump_mmu(env); +} diff --git a/target/mips/tlb_helper.c b/target/mips/tlb_helper.c index 082c17928d..1c0c2831d6 100644 --- a/target/mips/tlb_helper.c +++ b/target/mips/tlb_helper.c @@ -24,6 +24,7 @@ #include "exec/cpu_ldst.h" #include "exec/log.h" #include "hw/mips/cpudevs.h" +#include "qemu/qemu-print.h" enum { TLBRET_XI = -6, @@ -37,6 +38,53 @@ enum { #if !defined(CONFIG_USER_ONLY) +static void r4k_mmu_dump(CPUMIPSState *env) +{ + int i; + for (i = 0; i < env->tlb->tlb_in_use; i++) { + r4k_tlb_t *tlb = &env->tlb->mmu.r4k.tlb[i]; + + bool mi = !!((env->CP0_Config5 >> CP0C5_MI) & 1); + + qemu_printf("TLB[%i]:\nG = %i EHINV = %i\nPageMask = %08x", i, tlb->G, + tlb->EHINV, tlb->PageMask); + if (!tlb->EHINV) { + if (mi) { + qemu_printf(" MMID = %i", tlb->MMID); + } else if (!tlb->G) { + qemu_printf(" ASID = %i", tlb->ASID); + } + qemu_printf("\nVPN = "TARGET_FMT_lx" PFN[0] = %08lx RI0 = %i" + " XI0 = %i C0 = %i D0 = %i V0 = %i\n" + "VPN = "TARGET_FMT_lx" PFN[1] = %08lx RI1 = %i XI1 = %i" + " C1 = %i D1 = %i V1 = %i\n", tlb->VPN, tlb->PFN[0], + tlb->RI0, tlb->XI0, tlb->C0, tlb->D0, tlb->V0, tlb->VPN, + tlb->PFN[1], tlb->RI1, tlb->XI1, + tlb->C1, tlb->D1, tlb->V1); + } + } +} + +void dump_mmu(CPUMIPSState *env) +{ + switch (env->cpu_model->mmu_type) { + case MMU_TYPE_NONE: + qemu_printf("no MMU emulation\n"); + break; + case MMU_TYPE_R4000: + r4k_mmu_dump(env); + break; + case MMU_TYPE_FMT: + qemu_printf("fixed mapping MMU emulation\n"); + break; + case MMU_TYPE_R3000: + case MMU_TYPE_R6000: + case MMU_TYPE_R8000: + default: + qemu_printf("MMU type not supported\n"); + } +} + /* no MMU emulation */ int no_mmu_map_address(CPUMIPSState *env, hwaddr *physical, int *prot, target_ulong address, int rw, int access_type) -- 2.25.1