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[97.113.179.147]) by smtp.gmail.com with ESMTPSA id c28sm15977095pgm.42.2019.04.26.11.22.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Apr 2019 11:22:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=oU5HGPgJ+DQOZUnHAyoa1yAy/pkjT0xbkkdnad1zEYs=; b=ejoz1qIQ6WVHzQnSYm1TtP0hrHqwyuFm0PbitYelaH26diVMwvlALWYRjyI+k72jh5 F2Yw7nEuB6iQb5YRwl11V6cbIGQanUmgrBdfbT66VPQXFnpD14GCF7hZwpBX5JCpnPrc 6DfHQkxvMifu+f/V5xnUZIAb83qsOBGI9UCtCGDiZjF4+qa2rpQja/2MWx6bd7FBzA0E USSNTGJp3NG8bJ140+Edfiv6dhPwGNQeZ/DmLuFVGleyVlN9S026YXBKMt/iYY1KZEmQ ikZ/l+0LeKLHAs4ikgP4HUjmCJFsnA4X+MrnYysqxlbLAD+bHuopJIbvTbX4t4lFLPp+ NJpg== 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:in-reply-to :references; bh=oU5HGPgJ+DQOZUnHAyoa1yAy/pkjT0xbkkdnad1zEYs=; b=iX0uCjO/XPTTB4oh+hBCZZnMM1KM1uW6hYixRi8JPyZQcuNbFcFVT+6xIHn8LhLIQv Y079sw4Qecnz6dcQhJR15B4ytdfOAYPF3CO9hXKi2AbY+yXF0tOoDgSHtoJsKAsV4XPX 9//NK8zPtTGV6YOx4j318B8bxGS6tniDcnmpLmQvHeaCgPnKlF+u/JWWokcXUAaaWPxG 189tQkQH6UGArNx9qVd39ybDVBUGzGnrAsumi+mHMmZLENw1Ru2ZznDhtMCTggx2qlOo h2EcIrnK7xguskVTj9jbVZeGRWAjdmRo4IDDk/0FVVQYkNZW5ApMIgw4n6xyy/jXckJg QJYw== X-Gm-Message-State: APjAAAWFE6ywNIaW9nkPwKVBuQuyAtIRDnMjnI8zFOKihf2ptVPp6aln jq8G/4NWAV/c5Vf/Tp7SDpyNKMwU8ks= X-Google-Smtp-Source: APXvYqzrz37qj71Q456w2bpgKckkIT/Wjm8eOzIIryCjFZFFcAL3wH2NhWcJl9akAvUPxFT0GgNe1Q== X-Received: by 2002:a62:7089:: with SMTP id l131mr49804065pfc.158.1556302933326; Fri, 26 Apr 2019 11:22:13 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 26 Apr 2019 11:22:09 -0700 Message-Id: <20190426182210.10442-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190426182210.10442-1-richard.henderson@linaro.org> References: <20190426182210.10442-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::431 Subject: [Qemu-devel] [PULL 1/2] target/hppa: Implement Fast TLB Insert instructions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nick Hudson , peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Nick Hudson These instructions are present on pcxl and pcxl2 machines, and are used by NetBSD and OpenBSD. See https://parisc.wiki.kernel.org/images-parisc/a/a9/Pcxl2_ers.pdf page 13-9 (195/206) Signed-off-by: Nick Hudson Message-Id: <20190423063621.8203-2-nick.hudson@gmx.co.uk> [rth: Use extending loads, locally managed temporaries.] Signed-off-by: Richard Henderson --- target/hppa/translate.c | 54 ++++++++++++++++++++++++++++++++++++++++ target/hppa/insns.decode | 3 +++ 2 files changed, 57 insertions(+) diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 43b74367ea..aa140c6c72 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -2518,6 +2518,60 @@ static bool trans_pxtlbx(DisasContext *ctx, arg_pxtl= bx *a) #endif } =20 +/* + * Implement the pcxl and pcxl2 Fast TLB Insert instructions. + * See + * https://parisc.wiki.kernel.org/images-parisc/a/a9/Pcxl2_ers.pdf + * page 13-9 (195/206) + */ +static bool trans_ixtlbxf(DisasContext *ctx, arg_ixtlbxf *a) +{ + CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); +#ifndef CONFIG_USER_ONLY + TCGv_tl addr, atl, stl; + TCGv_reg reg; + + nullify_over(ctx); + + /* + * FIXME: + * if (not (pcxl or pcxl2)) + * return gen_illegal(ctx); + * + * Note for future: these are 32-bit systems; no hppa64. + */ + + atl =3D tcg_temp_new_tl(ctx); + stl =3D tcg_temp_new_tl(ctx); + addr =3D tcg_temp_new_tl(ctx); + + tcg_gen_ld32u_i64(stl, cpu_env, + a->data ? offsetof(CPUHPPAState, cr[CR_ISR]) + : offsetof(CPUHPPAState, cr[CR_IIASQ])); + tcg_gen_ld32u_i64(atl, cpu_env, + a->data ? offsetof(CPUHPPAState, cr[CR_IOR]) + : offsetof(CPUHPPAState, cr[CR_IIAOQ])); + tcg_gen_shli_i64(stl, stl, 32); + tcg_gen_or_tl(addr, atl, stl); + tcg_temp_free_tl(atl); + tcg_temp_free_tl(stl); + + reg =3D load_gpr(ctx, a->r); + if (a->addr) { + gen_helper_itlba(cpu_env, addr, reg); + } else { + gen_helper_itlbp(cpu_env, addr, reg); + } + tcg_temp_free_tl(addr); + + /* Exit TB for TLB change if mmu is enabled. */ + if (ctx->tb_flags & PSW_C) { + ctx->base.is_jmp =3D DISAS_IAQ_N_STALE; + } + return nullify_end(ctx); +#endif +} + static bool trans_lpa(DisasContext *ctx, arg_ldst *a) { CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode index 098370c2f0..f0dd71dd08 100644 --- a/target/hppa/insns.decode +++ b/target/hppa/insns.decode @@ -133,6 +133,9 @@ ixtlbx 000001 b:5 r:5 sp:2 0100000 addr:1 0 00= 000 data=3D1 ixtlbx 000001 b:5 r:5 ... 000000 addr:1 0 00000 \ sp=3D%assemble_sr3x data=3D0 =20 +# pcxl and pcxl2 Fast TLB Insert instructions +ixtlbxf 000001 00000 r:5 00 0 data:1 01000 addr:1 0 00000 + pxtlbx 000001 b:5 x:5 sp:2 0100100 local:1 m:1 ----- data=3D1 pxtlbx 000001 b:5 x:5 ... 000100 local:1 m:1 ----- \ sp=3D%assemble_sr3x data=3D0 --=20 2.17.1 From nobody Mon Feb 9 16:35:55 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1556303048; cv=none; d=zoho.com; s=zohoarc; b=CAv63rzyDL/pq+4N2dDbDWZqpqtb0fcEgel47ULDLG2xrd3s6GupKMnP9v7ln6P6RXPRKqOP3PSIqatveJqbYeOe9ko02RFUEkfvBWA5oLTK2PxGGcFjWL6IsVB32tVd7HOG+qppRPjhuR8KaFzGJlj+CifJt19goKgYIb28s6I= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1556303048; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=4u8gKkpGR4aqCQFLKD9tFetlT7FI9TY2FudP4qiIP+A=; b=ob/8xjZWBrciXiIX146pXBMfkNGvjUMp3ahE6oKPnKa8O2EOv4TChQCjQLBm70PJ9OJytIb26rOx6pbjFDphN5+++xyOxHWKEiiJXaz6o2ThTfgQsMr0GMSjcV2AYMHmAnsMAYTVCDIY1VQev0G4JTlPmodCElZXO7QUIT8o8KU= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1556303048338647.6979832487564; Fri, 26 Apr 2019 11:24:08 -0700 (PDT) Received: from localhost ([127.0.0.1]:50539 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hK5W1-0007HK-Dv for importer@patchew.org; Fri, 26 Apr 2019 14:24:05 -0400 Received: from eggs.gnu.org ([209.51.188.92]:59449) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hK5UH-000654-0U for qemu-devel@nongnu.org; Fri, 26 Apr 2019 14:22:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hK5UG-0006ON-4X for qemu-devel@nongnu.org; Fri, 26 Apr 2019 14:22:17 -0400 Received: from mail-pg1-x52c.google.com ([2607:f8b0:4864:20::52c]:40847) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hK5UF-0006Nb-T8 for qemu-devel@nongnu.org; Fri, 26 Apr 2019 14:22:16 -0400 Received: by mail-pg1-x52c.google.com with SMTP id d31so1993096pgl.7 for ; Fri, 26 Apr 2019 11:22:15 -0700 (PDT) Received: from localhost.localdomain (97-113-179-147.tukw.qwest.net. [97.113.179.147]) by smtp.gmail.com with ESMTPSA id c28sm15977095pgm.42.2019.04.26.11.22.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Apr 2019 11:22:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=4u8gKkpGR4aqCQFLKD9tFetlT7FI9TY2FudP4qiIP+A=; b=RjISiv8R+AINfNFxZa5MkHAHVCtpo2mGQnFrnRiqNKs1U+gnVmHxiFJsv+sNuxrE2T 1I8oAryan6bkzzqdOosChkHErHiBUkOWVKSnrrx53w5/zH7VzwPPCHUas4Le3zgpYytN C2BzpYpUgvtpcAU+X4UCnctWDs4/CutzjqeOJ6VT57YI2826o8L0hQVqrSnTsIiVjRhZ rDKr+b8fDfVEjI/HkowLduVxp0oBsI4fdNqgCfLbwGz74qxWc417wYGy3roGInXnZo6o Ugm3wctoGi8Wn7arRRFPG4WuJbQNeXsZ7gYVZQpnHozFxuksII4THnqjkU7OC2pInb7P 0bIw== 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:in-reply-to :references; bh=4u8gKkpGR4aqCQFLKD9tFetlT7FI9TY2FudP4qiIP+A=; b=TjJNq3ur1+zZUPLE6nbRxYofmvXsUo0d3AYcPTkidJ9tSVKrdA2AyR+OKbzzthRdko sEXOYeViCex5HW2Dmeg7nCVkbBnWBSF8RCsvlF8eW9s1D9+7t2pScHKB7MIr/Cfwiq5W /wzadz2b0jcjEG7rCjM7nQxrGo0ebmJvlFo2aZXv4MaL6LXqjynNy65VX0fnq3Apdbmh xlnxP5esJUKtqCaxhM4LN/8gos5QRaXcFeHQl9tiI6GzyXzV22Ldnr6Ilp/wW6vGfHCZ VUT90vwiUnvlUnfkizWSpHLyzrd09NG5cgajmsgVd6HuYxlkwrnRKgRjGvhNOH0o4NZd dqYw== X-Gm-Message-State: APjAAAW6dYW8sJYS9UpzMbh54Ozb01uBku9UOwB+rV8DBH3xswrsse25 35Psr8J68Ml85PRzc5UdCnUM7pTeo60= X-Google-Smtp-Source: APXvYqw0NVYeTiIJtiI0yQ6IAiBv1z9+vDdM0kxi9FzNIGHTnAWlx+cZREWaC/x+0EmAUn8A7dp7Dw== X-Received: by 2002:a63:243:: with SMTP id 64mr44676764pgc.214.1556302934530; Fri, 26 Apr 2019 11:22:14 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 26 Apr 2019 11:22:10 -0700 Message-Id: <20190426182210.10442-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190426182210.10442-1-richard.henderson@linaro.org> References: <20190426182210.10442-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::52c Subject: [Qemu-devel] [PULL 2/2] target/hppa: Always return EXCP_DMAR for protection id trap X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nick Hudson , peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Nick Hudson The EXCP_DMP trap is considered legacy. "In PA-RISC 1.1 (Second Edition) and later revisions, processors must use traps 26, 27,and 28 which provide equivalent functionality" Signed-off-by: Nick Hudson Message-Id: <20190423063621.8203-3-nick.hudson@gmx.co.uk> Signed-off-by: Richard Henderson --- target/hppa/mem_helper.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index c9b57d07c3..77fb544838 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -154,8 +154,7 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr = addr, int mmu_idx, =20 if (unlikely(!(prot & type))) { /* The access isn't allowed -- Inst/Data Memory Protection Fault. = */ - ret =3D (type & PAGE_EXEC ? EXCP_IMP : - prot & PAGE_READ ? EXCP_DMP : EXCP_DMAR); + ret =3D (type & PAGE_EXEC) ? EXCP_IMP : EXCP_DMAR; goto egress; } =20 --=20 2.17.1