diff options
Diffstat (limited to 'arch/ia64/sn/io/sn2/kdba_io.c')
-rw-r--r-- | arch/ia64/sn/io/sn2/kdba_io.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/ia64/sn/io/sn2/kdba_io.c b/arch/ia64/sn/io/sn2/kdba_io.c new file mode 100644 index 00000000000000..51f03577f8e081 --- /dev/null +++ b/arch/ia64/sn/io/sn2/kdba_io.c @@ -0,0 +1,76 @@ +/* + * Kernel Debugger Architecture Dependent POD functions. + * + * Copyright (C) 1999-2003 Silicon Graphics, Inc. All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * Further, this software is distributed without any warranty that it is + * free of the rightful claim of any third person regarding infringement + * or the like. Any license provided herein, whether implied or + * otherwise, applies only to this software file. Patent licenses, if + * any, provided herein do not apply to combinations of this program with + * other software, or any other product whatsoever. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, + * Mountain View, CA 94043, or: + * + * http://www.sgi.com + * + * For further information regarding this notice, see: + * + * http://oss.sgi.com/projects/GenInfo/NoticeExplan + */ + +#include <linux/types.h> +#include <linux/kdb.h> +//#include <linux/kdbprivate.h> + +/** + * kdba_io - enter POD mode from kdb + * @argc: arg count + * @argv: arg values + * @envp: kdb env. vars + * @regs: current register state + * + * Enter POD mode from kdb using SGI SN specific SAL function call. + */ +static int +kdba_io(int argc, const char **argv, const char **envp, struct pt_regs *regs) +{ + kdb_printf("kdba_io entered with addr 0x%p\n", (void *) regs); + + return(0); +} + +/** + * kdba_io_init - register 'io' command with kdb + * + * Register the 'io' command with kdb at load time. + */ +void +kdba_io_init(void) +{ + kdb_register("io", kdba_io, "<vaddr>", "Display IO Contents", 0); +} + +/** + * kdba_io_exit - unregister the 'io' command + * + * Tell kdb that the 'io' command is no longer available. + */ +static void __exit +kdba_exit(void) +{ + kdb_unregister("io"); +} |