diff options
Diffstat (limited to 'arch/mips/sgi/kernel/setup.c')
| -rw-r--r-- | arch/mips/sgi/kernel/setup.c | 53 |
1 files changed, 49 insertions, 4 deletions
diff --git a/arch/mips/sgi/kernel/setup.c b/arch/mips/sgi/kernel/setup.c index 4ee8c01f7..bc64424e2 100644 --- a/arch/mips/sgi/kernel/setup.c +++ b/arch/mips/sgi/kernel/setup.c @@ -1,4 +1,4 @@ -/* $Id: setup.c,v 1.22 1999/04/10 12:21:30 ulfc Exp $ +/* $Id: setup.c,v 1.23 1999/05/07 18:00:17 ulfc Exp $ * * setup.c: SGI specific setup, including init of the feature struct. * @@ -26,11 +26,23 @@ #include <asm/sgimc.h> #include <asm/sgihpc.h> #include <asm/sgint23.h> +#include <asm/gdb-stub.h> + +#ifdef CONFIG_REMOTE_DEBUG +extern void rs_kgdb_hook(int); +extern void breakpoint(void); +#endif + +#if defined(CONFIG_SERIAL_CONSOLE) || defined(CONFIG_PROM_CONSOLE) +extern void console_setup(char *, int *); +#endif extern struct rtc_ops indy_rtc_ops; void indy_reboot_setup(void); void sgi_volume_set(unsigned char); +static int remote_debug = 0; + #define sgi_kh ((struct hpc_keyb *) (KSEG1 + 0x1fbd9800 + 64)) #define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */ @@ -109,6 +121,12 @@ struct kbd_ops sgi_kbd_ops = { __initfunc(static void sgi_irq_setup(void)) { sgint_init(); + +#ifdef CONFIG_REMOTE_DEBUG + if (remote_debug) + set_debug_traps(); + breakpoint(); /* you may move this line to whereever you want :-) */ +#endif } __initfunc(void sgi_setup(void)) @@ -116,6 +134,10 @@ __initfunc(void sgi_setup(void)) #ifdef CONFIG_SERIAL_CONSOLE char *ctype; #endif +#ifdef CONFIG_REMOTE_DEBUG + char *kgdb_ttyd; +#endif + irq_setup = sgi_irq_setup; @@ -139,13 +161,35 @@ __initfunc(void sgi_setup(void)) ctype = prom_getenv("console"); if(*ctype == 'd') { if(*(ctype+1)=='2') - console_setup ("ttyS1"); + console_setup ("ttyS1", NULL); else - console_setup ("ttyS0"); + console_setup ("ttyS0", NULL); } #endif + +#ifdef CONFIG_REMOTE_DEBUG + kgdb_ttyd = prom_getcmdline(); + if ((kgdb_ttyd = strstr(kgdb_ttyd, "kgdb=ttyd")) != NULL) { + int line; + kgdb_ttyd += strlen("kgdb=ttyd"); + if (*kgdb_ttyd != '1' && *kgdb_ttyd != '2') + printk("KGDB: Uknown serial line /dev/ttyd%c, " + "falling back to /dev/ttyd1\n", *kgdb_ttyd); + line = *kgdb_ttyd == '2' ? 0 : 1; + printk("KGDB: Using serial line /dev/ttyd%d for session\n", + line ? 1 : 2); + rs_kgdb_hook(line); + + prom_printf("KGDB: Using serial line /dev/ttyd%d for session, " + "please connect your debugger\n", line ? 1 : 2); + + remote_debug = 1; + /* Breakpoints and stuff are in sgi_irq_setup() */ + } +#endif + #ifdef CONFIG_SGI_PROM_CONSOLE - console_setup("ttyS0"); + console_setup("ttyS0", NULL); #endif sgi_volume_set(simple_strtoul(prom_getenv("volume"), NULL, 10)); @@ -157,6 +201,7 @@ __initfunc(void sgi_setup(void)) conswitchp = &dummy_con; #endif #endif + rtc_ops = &indy_rtc_ops; kbd_ops = &sgi_kbd_ops; #ifdef CONFIG_PSMOUSE |