From patchwork Fri Jun 20 09:37:58 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hunter Laux X-Patchwork-Id: 362140 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 39C16140092 for ; Fri, 20 Jun 2014 19:39:43 +1000 (EST) Received: from localhost ([::1]:39802 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WxvIK-00046K-Te for incoming@patchwork.ozlabs.org; Fri, 20 Jun 2014 05:39:40 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39870) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WxvHu-0003oZ-8j for qemu-devel@nongnu.org; Fri, 20 Jun 2014 05:39:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WxvHl-00078W-6g for qemu-devel@nongnu.org; Fri, 20 Jun 2014 05:39:14 -0400 Received: from mail-pb0-x234.google.com ([2607:f8b0:400e:c01::234]:47578) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WxvHk-00078P-W8; Fri, 20 Jun 2014 05:39:05 -0400 Received: by mail-pb0-f52.google.com with SMTP id rq2so2945516pbb.11 for ; Fri, 20 Jun 2014 02:39:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=lCdVoO8nzjxPDkJXmaq1qHiRSMQWvSfaxqVpASP6GIw=; b=senNTBedou3lozYRJlnA28xu+0MrPQF6sDeFerT6HM58fqtc2pqIE4SR4kPctfPe3k UCYB+5JqdKSBXcmNa4XsEmfM5jgS5HkmfYk9El9zy5ivY8MrrRXUGnIKJCa1GfIN9bHZ p1/JT4nTEtJPhI5iZmpGp164UKL/MaOuJvo7ez6BEyIlIqEBsc0rdTWLoZdGRRNTX2N6 1EgVF0mgP6nFO9ZrdgqM3QNHJKXZ5WaJhhQxQKd0xlMmM8XMHeHH1I7IarVBAejz9ZOR wQ88cxTAyX8tyvm/HQSUxs2tn5a5n5nRRvMSuQudsCboCawYwu34cAC0MTQaXlGDrSk+ oxKg== X-Received: by 10.68.189.68 with SMTP id gg4mr3059790pbc.42.1403257143936; Fri, 20 Jun 2014 02:39:03 -0700 (PDT) Received: from HunterLaux-Aspire-V3-771 (ip98-171-191-77.sb.sd.cox.net. [98.171.191.77]) by mx.google.com with ESMTPSA id sv10sm40691484pab.32.2014.06.20.02.39.02 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 20 Jun 2014 02:39:03 -0700 (PDT) Received: from HunterLaux-Aspire-V3-771 (localhost [127.0.0.1]) by HunterLaux-Aspire-V3-771 (8.14.4/8.14.4/Debian-4.1ubuntu1) with ESMTP id s5K9d0nS017412; Fri, 20 Jun 2014 02:39:00 -0700 Received: (from hlaux@localhost) by HunterLaux-Aspire-V3-771 (8.14.4/8.14.4/Submit) id s5K9cxwh017405; Fri, 20 Jun 2014 02:38:59 -0700 From: Hunter Laux To: qemu-devel@nongnu.org, qemu-trivial@nongnu.org, peter.maydell@linaro.org, riku.voipio@iki.fi Date: Fri, 20 Jun 2014 02:37:58 -0700 Message-Id: <1403257078-17220-1-git-send-email-hunterlaux@gmail.com> X-Mailer: git-send-email 1.9.1 X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2607:f8b0:400e:c01::234 Cc: Hunter Laux Subject: [Qemu-devel] [PATCH] Add support for the arm breakpoint syscall 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 Signed-off-by: Hunter Laux --- linux-user/arm/syscall.h | 1 + linux-user/main.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/linux-user/arm/syscall.h b/linux-user/arm/syscall.h index ce2c2a8..e0d2cc3 100644 --- a/linux-user/arm/syscall.h +++ b/linux-user/arm/syscall.h @@ -29,6 +29,7 @@ struct target_pt_regs { #define ARM_THUMB_SYSCALL 0 #define ARM_NR_BASE 0xf0000 +#define ARM_NR_breakpoint (ARM_NR_BASE + 1) #define ARM_NR_cacheflush (ARM_NR_BASE + 2) #define ARM_NR_set_tls (ARM_NR_BASE + 5) diff --git a/linux-user/main.c b/linux-user/main.c index a87c6f7..831b363 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -807,6 +807,9 @@ void cpu_loop(CPUARMState *env) cpu_set_tls(env, env->regs[0]); env->regs[0] = 0; break; + case ARM_NR_breakpoint: + env->regs[15] -= env->thumb ? 2 : 4; + goto excp_debug; default: gemu_log("qemu: Unsupported ARM syscall: 0x%x\n", n); @@ -850,6 +853,7 @@ void cpu_loop(CPUARMState *env) } break; case EXCP_DEBUG: + excp_debug: { int sig;