sh: Bring kgdb back from the dead.
This code has suffered quite a bit of bitrot, do some basic
tidying to get it to a reasonably functional state again.
This gets the basic support and the console working again.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 98802ab..f964904 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -25,11 +25,8 @@
#include <asm/setup.h>
#include <asm/clock.h>
-#ifdef CONFIG_SH_KGDB
-#include <asm/kgdb.h>
-static int kgdb_parse_options(char *options);
-#endif
extern void * __rd_start, * __rd_end;
+
/*
* Machine setup..
*/
@@ -499,92 +496,3 @@
.show = show_cpuinfo,
};
#endif /* CONFIG_PROC_FS */
-
-#ifdef CONFIG_SH_KGDB
-/*
- * Parse command-line kgdb options. By default KGDB is enabled,
- * entered on error (or other action) using default serial info.
- * The command-line option can include a serial port specification
- * and an action to override default or configured behavior.
- */
-struct kgdb_sermap kgdb_sci_sermap =
-{ "ttySC", 5, kgdb_sci_setup, NULL };
-
-struct kgdb_sermap *kgdb_serlist = &kgdb_sci_sermap;
-struct kgdb_sermap *kgdb_porttype = &kgdb_sci_sermap;
-
-void kgdb_register_sermap(struct kgdb_sermap *map)
-{
- struct kgdb_sermap *last;
-
- for (last = kgdb_serlist; last->next; last = last->next)
- ;
- last->next = map;
- if (!map->namelen) {
- map->namelen = strlen(map->name);
- }
-}
-
-static int __init kgdb_parse_options(char *options)
-{
- char c;
- int baud;
-
- /* Check for port spec (or use default) */
-
- /* Determine port type and instance */
- if (!memcmp(options, "tty", 3)) {
- struct kgdb_sermap *map = kgdb_serlist;
-
- while (map && memcmp(options, map->name, map->namelen))
- map = map->next;
-
- if (!map) {
- KGDB_PRINTK("unknown port spec in %s\n", options);
- return -1;
- }
-
- kgdb_porttype = map;
- kgdb_serial_setup = map->setup_fn;
- kgdb_portnum = options[map->namelen] - '0';
- options += map->namelen + 1;
-
- options = (*options == ',') ? options+1 : options;
-
- /* Read optional parameters (baud/parity/bits) */
- baud = simple_strtoul(options, &options, 10);
- if (baud != 0) {
- kgdb_baud = baud;
-
- c = toupper(*options);
- if (c == 'E' || c == 'O' || c == 'N') {
- kgdb_parity = c;
- options++;
- }
-
- c = *options;
- if (c == '7' || c == '8') {
- kgdb_bits = c;
- options++;
- }
- options = (*options == ',') ? options+1 : options;
- }
- }
-
- /* Check for action specification */
- if (!memcmp(options, "halt", 4)) {
- kgdb_halt = 1;
- options += 4;
- } else if (!memcmp(options, "disabled", 8)) {
- kgdb_enabled = 0;
- options += 8;
- }
-
- if (*options) {
- KGDB_PRINTK("ignored unknown options: %s\n", options);
- return 0;
- }
- return 1;
-}
-__setup("kgdb=", kgdb_parse_options);
-#endif /* CONFIG_SH_KGDB */