From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754287AbYIKF5T (ORCPT ); Thu, 11 Sep 2008 01:57:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751717AbYIKF5L (ORCPT ); Thu, 11 Sep 2008 01:57:11 -0400 Received: from smtp1.dnsmadeeasy.com ([205.234.170.134]:54389 "EHLO smtp1.dnsmadeeasy.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751589AbYIKF5K (ORCPT ); Thu, 11 Sep 2008 01:57:10 -0400 X-Authenticated-Name: js.dnsmadeeasy X-Transit-System: In case of SPAM please contact abuse@dnsmadeeasy.com Message-ID: <48C8B333.4000003@avtrex.com> Date: Wed, 10 Sep 2008 22:57:07 -0700 From: David Daney User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Subject: [Patch 3/6] MIPS: Probe watch registers and report configuration. References: <48C8ADEF.9020305@avtrex.com> In-Reply-To: <48C8ADEF.9020305@avtrex.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 11 Sep 2008 05:57:08.0313 (UTC) FILETIME=[39A85490:01C913D3] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Probe watch registers and report configuration. Probe for watch register characteristics, and report them in /proc/cpuinfo. Signed-off-by: David Daney --- arch/mips/kernel/cpu-probe.c | 2 ++ arch/mips/kernel/proc.c | 9 +++++++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 335a6ae..d0d07b8 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -21,6 +21,7 @@ #include #include #include +#include /* * Not all of the MIPS CPUs have the "wait" instruction available. Moreover, @@ -685,6 +686,7 @@ static inline void spram_config(void) {} static inline void cpu_probe_mips(struct cpuinfo_mips *c) { decode_configs(c); + mips_probe_watch_registers(c); switch (c->processor_id & 0xff00) { case PRID_IMP_4KC: c->cputype = CPU_4KC; diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index 36f0653..9d60679 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -50,8 +50,13 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "tlb_entries\t\t: %d\n", cpu_data[n].tlbsize); seq_printf(m, "extra interrupt vector\t: %s\n", cpu_has_divec ? "yes" : "no"); - seq_printf(m, "hardware watchpoint\t: %s\n", - cpu_has_watch ? "yes" : "no"); + seq_printf(m, "hardware watchpoint\t: %s", + cpu_has_watch ? "yes, " : "no\n"); + if (cpu_has_watch) + seq_printf(m, + "count: %d, address/irw mask: 0x%04x\n", + cpu_data[n].watch_reg_count, + cpu_data[n].watch_reg_masks[0]); seq_printf(m, "ASEs implemented\t:%s%s%s%s%s%s\n", cpu_has_mips16 ? " mips16" : "", cpu_has_mdmx ? " mdmx" : "", -- 1.5.5.1