From patchwork Tue May 17 22:32:41 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Filippov X-Patchwork-Id: 96063 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 A0534B6EE6 for ; Wed, 18 May 2011 08:36:47 +1000 (EST) Received: from localhost ([::1]:51302 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QMSse-0002fq-PM for incoming@patchwork.ozlabs.org; Tue, 17 May 2011 18:36:44 -0400 Received: from eggs.gnu.org ([140.186.70.92]:50716) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QMSq3-0006ut-Ky for qemu-devel@nongnu.org; Tue, 17 May 2011 18:34:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QMSq2-0000SW-5R for qemu-devel@nongnu.org; Tue, 17 May 2011 18:34:02 -0400 Received: from mail-ew0-f45.google.com ([209.85.215.45]:37210) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QMSq2-0000KZ-0Y for qemu-devel@nongnu.org; Tue, 17 May 2011 18:34:02 -0400 Received: by mail-ew0-f45.google.com with SMTP id 24so340090ewy.4 for ; Tue, 17 May 2011 15:34:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references; bh=sMzYGOCCLFawfVvEq8gn/g8pSHl0QyuwuHIcEEmDsHM=; b=X/bvIbt4VWdFZCqvmeYwR6lLpqBUEInjl+vOwu3toymw1T+gshrf0ueesrz8e3aWVA PDoDJfCTgISMuhLMdh7Psrr5e6nEs/YG1VEtGw9VL6u3WCqkQ9ROqTqHZT078F6ZnT1P oNcFBRFAV+5GitQkS/QkjnDIdJ3GtnCH04qic= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=xFR6CSmrsfrbemcz6xCxgGpH5BY1ixtvfcsSA5lUUQpRxox3RKXNY1s8MAM3QHSkyY LhoBy/66bAlUD4IOLSqDGvmvDgqIkRRBXiSf19+W7J+VKnsAGsB/QDQ0D0hFTDxP9qBL oPD32PPr3rmn5UJgExrXvq9kHflfjVqiu/81g= Received: by 10.14.11.167 with SMTP id 39mr354849eex.222.1305671641676; Tue, 17 May 2011 15:34:01 -0700 (PDT) Received: from octofox.metropolis ([188.134.19.124]) by mx.google.com with ESMTPS id z1sm696174eeb.7.2011.05.17.15.33.58 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 17 May 2011 15:34:00 -0700 (PDT) Received: by octofox.metropolis (sSMTP sendmail emulation); Wed, 18 May 2011 02:33:57 +0400 From: Max Filippov To: qemu-devel@nongnu.org Date: Wed, 18 May 2011 02:32:41 +0400 Message-Id: <1305671572-5899-16-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1305671572-5899-1-git-send-email-jcmvbkbc@gmail.com> References: <1305671572-5899-1-git-send-email-jcmvbkbc@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 209.85.215.45 Cc: Max Filippov Subject: [Qemu-devel] [PATCH 15/26] 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 3a58444..d3509b3 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -1003,7 +1003,100 @@ 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*/