From patchwork Thu Jul 11 22:31:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Atish Kumar Patra X-Patchwork-Id: 13731156 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 31090C3DA4A for ; Thu, 11 Jul 2024 22:33:44 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sS2KH-0000UQ-4U; Thu, 11 Jul 2024 18:31:45 -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 1sS2KF-0000OW-CG for qemu-devel@nongnu.org; Thu, 11 Jul 2024 18:31:43 -0400 Received: from mail-pl1-x634.google.com ([2607:f8b0:4864:20::634]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sS2KD-0001ai-GY for qemu-devel@nongnu.org; Thu, 11 Jul 2024 18:31:43 -0400 Received: by mail-pl1-x634.google.com with SMTP id d9443c01a7336-1fbe6f83957so8388685ad.3 for ; Thu, 11 Jul 2024 15:31:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1720737099; x=1721341899; darn=nongnu.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=lf1t63bHbu23XIWS2dR1/nNg3lRwXNctcRaYNnDIm2I=; b=naphpA/Xs9MpHiw4Bopm+nSf1gIWWEBagOskzJqKzT5upaSv2HM0bZnrf8ax8UBxhG HZsljDY7uUvMg2xxXPa2QYNOIJUJE0bakjZoTAbiZNc3dewRnVTDJ6IxqTAXSZ3x6g6K +rkH9ZVbfFrsKrROz8/aWUzsYOILXbR6Db9TLrcsS+DqEAoWACSl7TXTbtw9U9Emw0St 6IM6Xz8c3lZp1+Xcv8PlBkgterRZEjx2haKIjLRTWkDmNwWvneT9BlfsjylLEdgXGMWg sww9oq8+pE/rGR2ZLtwHRaDU+NV1Qorx/M797zA10M8nGTjhn7GC5mXE5FZPTjNt2/q7 cjrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720737099; x=1721341899; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=lf1t63bHbu23XIWS2dR1/nNg3lRwXNctcRaYNnDIm2I=; b=FhQiElAguYeVoYHEFBQg5LAMcNluV5pYylaaD5k7vzQpO8WxoCqbFeQzNjjrOfzJAx 1WfYQsLgdbvb/GojVWcz/ZPn2h9TfDb0zJhrBcNfOw08g67D/CdYp8ZOkkWqXVmMJlvg +HMLgK3snBotRxH1M4NqWK0TS+wOgxA4TacFpi/lat2fMFuZHS9kqENj2c1r710diSrm xTkjKLGSf5Tzt5ozodRSMAkrWBBp/Hp70JlG+sO7U/gQvbgmSqXs/aKE70v5es6uCydz oARlt3OshglOWFw+oyifbcAcmTaCTUVKelz85EoSGAt9t3m0gM3l1nNE+heLvurSL7Gd C4UA== X-Forwarded-Encrypted: i=1; AJvYcCUu+uryykmWmn01mdoZ0SIwGyOGzCfW1NHYbT9i5uzFidvcvBwAUYd2swnxaCZxjR0eq+cFHiXQ/eC08sCIjgHivQOxptI= X-Gm-Message-State: AOJu0Yw+3u+G8u7PiAWcON4G6hK/Ytqf2MCe+VWoj3Myv/80XN7S9v4r sHOW45MhICjeh5w7vffJRNvzwnBLJFN80mAaNpy9Al2lJLsPBXxknaAQGYXGNdM= X-Google-Smtp-Source: AGHT+IFRSkpeavxOw81jP1BJryBOo/9V41KKV/ZC8ei83uNk1AsxhmEDTGo3taDLpLos3SaRcTLzyQ== X-Received: by 2002:a17:902:d4d0:b0:1fb:779e:4fd0 with SMTP id d9443c01a7336-1fbb6d3d176mr94074165ad.24.1720737099073; Thu, 11 Jul 2024 15:31:39 -0700 (PDT) Received: from atishp.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fbb6b34ca2sm55161565ad.53.2024.07.11.15.31.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Jul 2024 15:31:38 -0700 (PDT) From: Atish Patra Date: Thu, 11 Jul 2024 15:31:09 -0700 Subject: [PATCH v8 06/13] target/riscv: Only set INH fields if priv mode is available MIME-Version: 1.0 Message-Id: <20240711-smcntrpmf_v7-v8-6-b7c38ae7b263@rivosinc.com> References: <20240711-smcntrpmf_v7-v8-0-b7c38ae7b263@rivosinc.com> In-Reply-To: <20240711-smcntrpmf_v7-v8-0-b7c38ae7b263@rivosinc.com> To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: palmer@dabbelt.com, liwei1518@gmail.com, zhiwei_liu@linux.alibaba.com, bin.meng@windriver.com, dbarboza@ventanamicro.com, alistair.francis@wdc.com X-Mailer: b4 0.15-dev-13183 Received-SPF: pass client-ip=2607:f8b0:4864:20::634; envelope-from=atishp@rivosinc.com; helo=mail-pl1-x634.google.com 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, 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: 2.1.29 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 Currently, the INH fields are set in mhpmevent uncoditionally without checking if a particular priv mode is supported or not. Suggested-by: Alistair Francis Signed-off-by: Atish Patra Acked-by: Alistair Francis --- target/riscv/csr.c | 29 +++++++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index b814d176cbb8..121996edab4b 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -967,13 +967,24 @@ static RISCVException write_mhpmevent(CPURISCVState *env, int csrno, { int evt_index = csrno - CSR_MCOUNTINHIBIT; uint64_t mhpmevt_val = val; - - env->mhpmevent_val[evt_index] = val; + uint64_t inh_avail_mask; if (riscv_cpu_mxl(env) == MXL_RV32) { + env->mhpmevent_val[evt_index] = val; mhpmevt_val = mhpmevt_val | ((uint64_t)env->mhpmeventh_val[evt_index] << 32); + } else { + inh_avail_mask = ~MHPMEVENT_FILTER_MASK | MHPMEVENT_BIT_MINH; + inh_avail_mask |= riscv_has_ext(env, RVU) ? MHPMEVENT_BIT_UINH : 0; + inh_avail_mask |= riscv_has_ext(env, RVS) ? MHPMEVENT_BIT_SINH : 0; + inh_avail_mask |= (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVU)) ? MHPMEVENT_BIT_VUINH : 0; + inh_avail_mask |= (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVS)) ? MHPMEVENT_BIT_VSINH : 0; + mhpmevt_val = val & inh_avail_mask; + env->mhpmevent_val[evt_index] = mhpmevt_val; } + riscv_pmu_update_event_map(env, mhpmevt_val, evt_index); return RISCV_EXCP_NONE; @@ -993,11 +1004,21 @@ static RISCVException write_mhpmeventh(CPURISCVState *env, int csrno, target_ulong val) { int evt_index = csrno - CSR_MHPMEVENT3H + 3; - uint64_t mhpmevth_val = val; + uint64_t mhpmevth_val; uint64_t mhpmevt_val = env->mhpmevent_val[evt_index]; + target_ulong inh_avail_mask = (target_ulong)(~MHPMEVENTH_FILTER_MASK | + MHPMEVENTH_BIT_MINH); + + inh_avail_mask |= riscv_has_ext(env, RVU) ? MHPMEVENTH_BIT_UINH : 0; + inh_avail_mask |= riscv_has_ext(env, RVS) ? MHPMEVENTH_BIT_SINH : 0; + inh_avail_mask |= (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVU)) ? MHPMEVENTH_BIT_VUINH : 0; + inh_avail_mask |= (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVS)) ? MHPMEVENTH_BIT_VSINH : 0; + mhpmevth_val = val & inh_avail_mask; mhpmevt_val = mhpmevt_val | (mhpmevth_val << 32); - env->mhpmeventh_val[evt_index] = val; + env->mhpmeventh_val[evt_index] = mhpmevth_val; riscv_pmu_update_event_map(env, mhpmevt_val, evt_index);