From patchwork Sun Jul 24 17:10:53 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Filippov X-Patchwork-Id: 106546 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 58164B6F7F for ; Mon, 25 Jul 2011 04:09:40 +1000 (EST) Received: from localhost ([::1]:48035 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ql2Eg-00044Q-6N for incoming@patchwork.ozlabs.org; Sun, 24 Jul 2011 13:13:02 -0400 Received: from eggs.gnu.org ([140.186.70.92]:57559) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ql2EY-0003q5-KK for qemu-devel@nongnu.org; Sun, 24 Jul 2011 13:12:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ql2EX-0005Jb-K7 for qemu-devel@nongnu.org; Sun, 24 Jul 2011 13:12:54 -0400 Received: from mail-fx0-f47.google.com ([209.85.161.47]:56785) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ql2EX-0004u6-DL for qemu-devel@nongnu.org; Sun, 24 Jul 2011 13:12:53 -0400 Received: by mail-fx0-f47.google.com with SMTP id 11so8353846fxg.34 for ; Sun, 24 Jul 2011 10:12:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=GtMzLQMmduRH1SH0XDX4nyOF80CZYF+Mjs0fuXGnJ1k=; b=bFOCAN7hnYx4c9d2qGqu3c+FDB9eGcHahmZgQxFPZ0Uzf0sICWr6q29lGb4Q/47Vte cSy8vrWA20NfB2TNdgx5NJV0L1/EKKCCrzcEUIUGBdi0M2XbjYRsaCWEA9wQactEUJdf pyN49gNzQWEcBrpQds0iXNPbzmj+RumklDdY0= Received: by 10.204.138.205 with SMTP id b13mr1115905bku.27.1311527572891; Sun, 24 Jul 2011 10:12:52 -0700 (PDT) Received: from octofox.metropolis ([188.134.19.124]) by mx.google.com with ESMTPS id b10sm1072674bka.15.2011.07.24.10.12.50 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 24 Jul 2011 10:12:51 -0700 (PDT) Received: by octofox.metropolis (sSMTP sendmail emulation); Sun, 24 Jul 2011 21:12:49 +0400 From: Max Filippov To: qemu-devel@nongnu.org Date: Sun, 24 Jul 2011 21:10:53 +0400 Message-Id: <1311527469-12963-16-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1311527469-12963-1-git-send-email-jcmvbkbc@gmail.com> References: <1311527469-12963-1-git-send-email-jcmvbkbc@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 209.85.161.47 Cc: jcmvbkbc@gmail.com Subject: [Qemu-devel] [PATCH v2 15/31] target-xtensa: implement CACHE group X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org All operations in this group are no-ops, because cache ought to be transparent to applications. However cache may be abused, then we'll need to actually implement these opcodes. Signed-off-by: Max Filippov --- target-xtensa/translate.c | 95 ++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 94 insertions(+), 1 deletions(-) diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 805e79a..83ac611 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -1012,7 +1012,100 @@ static void disas_xtensa_insn(DisasContext *dc) break; case 7: /*CACHEc*/ - TBD(); + if (RRI8_T < 8) { + HAS_OPTION(XTENSA_OPTION_DCACHE); + } + + switch (RRI8_T) { + case 0: /*DPFRc*/ + break; + + case 1: /*DPFWc*/ + break; + + case 2: /*DPFROc*/ + break; + + case 3: /*DPFWOc*/ + break; + + case 4: /*DHWBc*/ + break; + + case 5: /*DHWBIc*/ + break; + + case 6: /*DHIc*/ + break; + + case 7: /*DIIc*/ + break; + + case 8: /*DCEc*/ + switch (_OP1) { + case 0: /*DPFLl*/ + HAS_OPTION(XTENSA_OPTION_DCACHE_INDEX_LOCK); + break; + + case 2: /*DHUl*/ + HAS_OPTION(XTENSA_OPTION_DCACHE_INDEX_LOCK); + break; + + case 3: /*DIUl*/ + HAS_OPTION(XTENSA_OPTION_DCACHE_INDEX_LOCK); + break; + + case 4: /*DIWBc*/ + HAS_OPTION(XTENSA_OPTION_DCACHE); + break; + + case 5: /*DIWBIc*/ + HAS_OPTION(XTENSA_OPTION_DCACHE); + break; + + default: /*reserved*/ + RESERVED(); + break; + + } + break; + + case 12: /*IPFc*/ + HAS_OPTION(XTENSA_OPTION_ICACHE); + break; + + case 13: /*ICEc*/ + switch (_OP1) { + case 0: /*IPFLl*/ + HAS_OPTION(XTENSA_OPTION_ICACHE_INDEX_LOCK); + break; + + case 2: /*IHUl*/ + HAS_OPTION(XTENSA_OPTION_ICACHE_INDEX_LOCK); + break; + + case 3: /*IIUl*/ + HAS_OPTION(XTENSA_OPTION_ICACHE_INDEX_LOCK); + break; + + default: /*reserved*/ + RESERVED(); + break; + } + break; + + case 14: /*IHIc*/ + HAS_OPTION(XTENSA_OPTION_ICACHE); + break; + + case 15: /*IIIc*/ + HAS_OPTION(XTENSA_OPTION_ICACHE); + break; + + default: /*reserved*/ + RESERVED(); + break; + } break; case 9: /*L16SI*/