From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 10.28.4.212 with SMTP id 203csp4251473wme; Tue, 17 Apr 2018 13:40:42 -0700 (PDT) X-Google-Smtp-Source: AIpwx4/+AFxLf+bH+LB8fAfWMoNtTL63WwQ7ploqkT8WgavOgJLR6IoGbIyk6fAK1MQsyAf9Pzzd X-Received: by 10.55.187.3 with SMTP id l3mr3630222qkf.32.1523997642695; Tue, 17 Apr 2018 13:40:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1523997642; cv=none; d=google.com; s=arc-20160816; b=r0pHXnu/p98upO5iPVKrzfXQCoQBb3C+3+UMc0NvszKv/vmiIKx0RGMVOqZWodit30 oj288aOj4GLhh3l5SVQMndHe8C4jLxJnTCgY70GOszFKz6CfoxjapFw95ZE9zK12SlH2 9rhFDPVWTSPrcVAywz//6g38rE8FUeMbYmqZyFeX63fto93s654wOnv925gYmgOgwTrX XQAN95symtelCgN1HJ7GxuMAAzfdKKfRr+BbopcNtMsJn6ujsa2v8PQNy5L1mzDrtfl2 6bglzbt4p7gh1G7FFdVgkNhHWZNkoiqJy3RCNfVr2/bqux/AngtXNBNM0GcwikBpFqWE terw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:subject:references:in-reply-to :message-id:date:to:from:dmarc-filter:dkim-signature:dkim-signature :arc-authentication-results; bh=wtyPWa4Qq6KaYqNBUulu/Gbu15K/W487EsoAclFlWvs=; b=kheZdCgEeQJKQuaDjom060ZpIs2sd7hTIPkcrXtq1gsePwrWLz0xrbEqJke2sBh0vY eCocT4rWtJhIoqRiYDWVzqniNaYPH6XodQlTWQgxEBWZZuVOqHjJKZndUUavTgOf1dwS eCrPZcIZT2wc3w6pgUx0hxcPOfwwfDEglFh240Ty3RJzX5Wj7y1cE9VfKbeVx1YSf4s5 RrSr4OHXyT2npeuYi1h1T+/yANP20E4Z7BtvUoAie17H6hUt8Z+2oScpOHIya38lXioi j/ha02h5Kuvw4ojCahPIvk7Ez/8IWX0gxzdxE4+QMr33eU/1xg0V5xlklTKzvQM2kKT7 co7w== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@codeaurora.org header.s=default header.b=LXqHadV0; dkim=fail header.i=@codeaurora.org header.s=default header.b=M1Mo1VNO; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom=qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [2001:4830:134:3::11]) by mx.google.com with ESMTPS id t188si1942897qkd.80.2018.04.17.13.40.42 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 17 Apr 2018 13:40:42 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; dkim=fail header.i=@codeaurora.org header.s=default header.b=LXqHadV0; dkim=fail header.i=@codeaurora.org header.s=default header.b=M1Mo1VNO; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom=qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Received: from localhost ([::1]:33304 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f8XP8-0004F7-5y for alex.bennee@linaro.org; Tue, 17 Apr 2018 16:40:42 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50632) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f8XNZ-0002vs-E0 for qemu-arm@nongnu.org; Tue, 17 Apr 2018 16:39:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f8XNX-0005j5-1z for qemu-arm@nongnu.org; Tue, 17 Apr 2018 16:39:05 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:39876) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1f8XNW-0005Yb-JO; Tue, 17 Apr 2018 16:39:02 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 3452C60385; Tue, 17 Apr 2018 20:38:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1523997540; bh=UFRgdKCmmuTY6FeEV+15k75f+f3CCVlk8OSTn072RkY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LXqHadV0QI+EtZEZMJnepVcqhm4nB6J1M+AFFky11WPUn8x7JdlbqyX1T+Hmzd5Pw evpRiC/pVKcG7GZ2DvSQ9FYxIFRRaysUxdFXgaxozjN1tlKBjWb4Ube64YhP3lkZkS HHu/3ybcCiDP4ov2eWbGEflU14VSpSesjVHz48fI= Received: from mossypile.qualcomm.com (global_nat1_iad_fw.qualcomm.com [129.46.232.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: alindsay@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 8F4276109C; Tue, 17 Apr 2018 20:38:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1523997538; bh=UFRgdKCmmuTY6FeEV+15k75f+f3CCVlk8OSTn072RkY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M1Mo1VNOLBcA/GnQrV6YyzS7isROVTH4C/htaM3YfL20KQ1jisFbZL7vDKRGr/XE7 Eotg+itz1gtMxVrR1v96jL8zco9sWm1PTlYhLKGVd08fYpGMTDmIDzTByerSer39UK A++luVY2k64G5d1AyF8CDaYrhr56NOARKaJGBefQ= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 8F4276109C Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=alindsay@codeaurora.org From: Aaron Lindsay To: qemu-arm@nongnu.org, Peter Maydell , Alistair Francis , Wei Huang , Peter Crosthwaite Date: Tue, 17 Apr 2018 16:37:55 -0400 Message-Id: <1523997485-1905-12-git-send-email-alindsay@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1523997485-1905-1-git-send-email-alindsay@codeaurora.org> References: <1523997485-1905-1-git-send-email-alindsay@codeaurora.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 198.145.29.96 Subject: [Qemu-arm] [PATCH v4 11/21] target/arm: Allow AArch32 access for PMCCFILTR X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Aaron Lindsay , Michael Spradling , qemu-devel@nongnu.org, Digant Desai Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-arm" X-TUID: puaaZcTe0Ilw Signed-off-by: Aaron Lindsay --- target/arm/helper.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index 5953980..62cace7 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -918,6 +918,10 @@ static const ARMCPRegInfo v6_cp_reginfo[] = { #define PMXEVTYPER_MT 0x02000000 #define PMXEVTYPER_EVTCOUNT 0x000003ff +#define PMCCFILTR 0xf8000000 +#define PMCCFILTR_M PMXEVTYPER_M +#define PMCCFILTR_EL0 (PMCCFILTR | PMCCFILTR_M) + static inline uint32_t pmu_num_counters(CPUARMState *env) { return (env->cp15.c9_pmcr & PMCRN_MASK) >> PMCRN_SHIFT; @@ -1221,10 +1225,26 @@ static void pmccfiltr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { pmccntr_op_start(env); - env->cp15.pmccfiltr_el0 = value & 0xfc000000; + env->cp15.pmccfiltr_el0 = value & PMCCFILTR_EL0; pmccntr_op_finish(env); } +static void pmccfiltr_write_a32(CPUARMState *env, const ARMCPRegInfo *ri, + uint64_t value) +{ + uint64_t saved_cycles = pmccntr_op_start(env); + /* M is not accessible from AArch32 */ + env->cp15.pmccfiltr_el0 = (env->cp15.pmccfiltr_el0 & PMCCFILTR_M) | + (value & PMCCFILTR); + pmccntr_op_finish(env, saved_cycles); +} + +static uint64_t pmccfiltr_read_a32(CPUARMState *env, const ARMCPRegInfo *ri) +{ + /* M is not visible in AArch32 */ + return env->cp15.pmccfiltr_el0 & PMCCFILTR; +} + static void pmcntenset_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value) { @@ -1442,6 +1462,11 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { .type = ARM_CP_IO, .readfn = pmccntr_read, .writefn = pmccntr_write, }, #endif + { .name = "PMCCFILTR", .cp = 15, .opc1 = 0, .crn = 14, .crm = 15, .opc2 = 7, + .writefn = pmccfiltr_write_a32, .readfn = pmccfiltr_read_a32, + .access = PL0_RW, .accessfn = pmreg_access, + .type = ARM_CP_ALIAS | ARM_CP_IO, + .resetvalue = 0, }, { .name = "PMCCFILTR_EL0", .state = ARM_CP_STATE_AA64, .opc0 = 3, .opc1 = 3, .crn = 14, .crm = 15, .opc2 = 7, .writefn = pmccfiltr_write, -- Qualcomm Datacenter Technologies as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.