From patchwork Tue Jan 8 06:26:44 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Johnson X-Patchwork-Id: 210292 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 192A52C0094 for ; Tue, 8 Jan 2013 17:28:00 +1100 (EST) Received: from localhost ([::1]:60487 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TsSfF-00069z-Lo for incoming@patchwork.ozlabs.org; Tue, 08 Jan 2013 01:27:57 -0500 Received: from eggs.gnu.org ([208.118.235.92]:57628) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TsSf6-0005wL-2U for qemu-devel@nongnu.org; Tue, 08 Jan 2013 01:27:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TsSf3-0003IW-OO for qemu-devel@nongnu.org; Tue, 08 Jan 2013 01:27:48 -0500 Received: from [12.201.5.10] (port=52144 helo=linux-ericj.mips.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TsSf3-0003HT-Ay for qemu-devel@nongnu.org; Tue, 08 Jan 2013 01:27:45 -0500 Received: from linux-ericj.mips.com (localhost.localdomain [127.0.0.1]) by linux-ericj.mips.com (8.13.8/8.13.8) with ESMTP id r086Qix5026988; Mon, 7 Jan 2013 22:26:44 -0800 Received: (from ericj@localhost) by linux-ericj.mips.com (8.13.8/8.13.8/Submit) id r086QiIb026987; Mon, 7 Jan 2013 22:26:44 -0800 From: Eric Johnson To: qemu-devel@nongnu.org, Aurelien Jarno Date: Mon, 7 Jan 2013 22:26:44 -0800 Message-Id: <1357626404-26955-1-git-send-email-ericj@mips.com> X-Mailer: git-send-email 1.7.4.4 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 12.201.5.10 Subject: [Qemu-devel] [PATCH] target-mips: Allow DSP access to be disabled once enabled. 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 Clear the DSP hflags at the start of compute_hflags. Otherwise access is not properly disabled once enabled. Signed-off-by: Eric Johnson --- target-mips/cpu.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/target-mips/cpu.h b/target-mips/cpu.h index 31602ac..5963d62 100644 --- a/target-mips/cpu.h +++ b/target-mips/cpu.h @@ -751,7 +751,7 @@ static inline void compute_hflags(CPUMIPSState *env) { env->hflags &= ~(MIPS_HFLAG_COP1X | MIPS_HFLAG_64 | MIPS_HFLAG_CP0 | MIPS_HFLAG_F64 | MIPS_HFLAG_FPU | MIPS_HFLAG_KSU | - MIPS_HFLAG_UX); + MIPS_HFLAG_UX | MIPS_HFLAG_DSP | MIPS_HFLAG_DSPR2); if (!(env->CP0_Status & (1 << CP0St_EXL)) && !(env->CP0_Status & (1 << CP0St_ERL)) && !(env->hflags & MIPS_HFLAG_DM)) {