Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266031AbUAUTYg (ORCPT ); Wed, 21 Jan 2004 14:24:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264132AbUAUTYf (ORCPT ); Wed, 21 Jan 2004 14:24:35 -0500 Received: from fed1mtao07.cox.net ([68.6.19.124]:44216 "EHLO fed1mtao07.cox.net") by vger.kernel.org with ESMTP id S266102AbUAUTWc (ORCPT ); Wed, 21 Jan 2004 14:22:32 -0500 Date: Wed, 21 Jan 2004 12:22:30 -0700 From: Tom Rini To: "Amit S. Kale" Cc: Powerpc Linux , Linux Kernel , KGDB bugreports , George Anzinger Subject: Re: PPC KGDB changes and some help? Message-ID: <20040121192230.GW13454@stop.crashing.org> References: <20040120172708.GN13454@stop.crashing.org> <200401211946.17969.amitkale@emsyssoft.com> <20040121153019.GR13454@stop.crashing.org> <200401212223.13347.amitkale@emsyssoft.com> <20040121184217.GU13454@stop.crashing.org> <20040121192128.GV13454@stop.crashing.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040121192128.GV13454@stop.crashing.org> User-Agent: Mutt/1.5.5.1+cvs20040105i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3115 Lines: 122 On Wed, Jan 21, 2004 at 12:21:28PM -0700, Tom Rini wrote: > On Wed, Jan 21, 2004 at 11:42:17AM -0700, Tom Rini wrote: > > On Wed, Jan 21, 2004 at 10:23:12PM +0530, Amit S. Kale wrote: > > > > > Hi, > > > > > > Here it is: ppc kgdb from timesys kernel is available at > > > http://kgdb.sourceforge.net/kgdb-2/linux-2.6.1-kgdb-2.1.0.tar.bz2 > > > > > > This is my attempt at extracting kgdb from TimeSys kernel. It works well in > > > TimeSys kernel, so blame me if above patch doesn't work. > > > > Okay, here's my first patch against this. > > And dependant upon this is a patch to fixup the rest of the common PPC > code, as follows: And on top of all of that is the following, which allows KGDB to work on the Motorola LoPEC. --- 1.48/arch/ppc/Kconfig Wed Jan 21 10:13:13 2004 +++ edited/arch/ppc/Kconfig Wed Jan 21 10:33:55 2004 @@ -583,11 +583,6 @@ depends on PPC_MULTIPLATFORM default y -config PPC_GEN550 - bool - depends on SANDPOINT - default y - config PPC_PMAC bool depends on PPC_MULTIPLATFORM @@ -603,6 +598,11 @@ depends on PPC_PMAC || PPC_CHRP default y +config PPC_GEN550 + bool + depends on SANDPOINT || MCPN765 || LOPEC + default y + config FORCE bool depends on 6xx && (PCORE || POWERPMC250) --- 1.20/arch/ppc/platforms/lopec_setup.c Fri Sep 12 09:26:53 2003 +++ edited/arch/ppc/platforms/lopec_setup.c Wed Jan 21 10:32:15 2004 @@ -32,6 +32,7 @@ #include #include #include +#include extern char saved_command_line[]; extern void lopec_find_bridges(void); @@ -261,44 +262,6 @@ : "=r" (batu), "=r" (batl)); } -#ifdef CONFIG_SERIAL_TEXT_DEBUG -#include -#include -#include -#include - -static struct serial_state rs_table[RS_TABLE_SIZE] = { - SERIAL_PORT_DFNS /* Defined in */ -}; - -volatile unsigned char *com_port; -volatile unsigned char *com_port_lsr; - -static void -serial_writechar(char c) -{ - while ((*com_port_lsr & UART_LSR_THRE) == 0) - ; - *com_port = c; -} - -void -lopec_progress(char *s, unsigned short hex) -{ - volatile char c; - - com_port = (volatile unsigned char *) rs_table[0].port; - com_port_lsr = com_port + UART_LSR; - - while ((c = *s++) != 0) - serial_writechar(c); - - /* Most messages don't have a newline in them */ - serial_writechar('\n'); - serial_writechar('\r'); -} -#endif /* CONFIG_SERIAL_TEXT_DEBUG */ - TODC_ALLOC(); static void __init @@ -383,7 +346,10 @@ ppc_ide_md.default_io_base = lopec_ide_default_io_base; ppc_ide_md.ide_init_hwif = lopec_ide_init_hwif_ports; #endif +#ifdef CONFIG_KGDB + ppc_md.kgdb_map_scc = gen550_kgdb_map_scc; +#endif #ifdef CONFIG_SERIAL_TEXT_DEBUG - ppc_md.progress = lopec_progress; + ppc_md.progress = gen550_progress; #endif } -- Tom Rini http://gate.crashing.org/~trini/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/