From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 409JCJ6146zF27B for ; Tue, 27 Mar 2018 15:37:32 +1100 (AEDT) From: Michael Neuling To: mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org, paulus@ozlabs.org, david@gibson.dropbear.id.au, npiggin@gmail.com, pedromfc@linux.vnet.ibm.com, kvm-ppc@vger.kernel.org, Ananth N Mavinakayanahalli Subject: [PATCH v3 3/8] powerpc: Update xmon to use ppc_breakpoint_available() Date: Tue, 27 Mar 2018 15:37:19 +1100 Message-Id: <20180327043724.13862-4-mikey@neuling.org> In-Reply-To: <20180327043724.13862-1-mikey@neuling.org> References: <20180327043724.13862-1-mikey@neuling.org> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The 'bd' command will now print an error and not set the breakpoint on P9. Signed-off-by: Michael Neuling --- arch/powerpc/xmon/xmon.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index a06cf6e389..047a682c6d 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1302,6 +1302,11 @@ bpt_cmds(void) static const char badaddr[] = "Only kernel addresses are permitted for breakpoints\n"; int mode; case 'd': /* bd - hardware data breakpoint */ + if (!ppc_breakpoint_available()) { + printf("Hardware data breakpoint " + "not supported on this cpu\n"); + break; + } mode = 7; cmd = inchar(); if (cmd == 'r') -- 2.14.1