1992/1128/power/debugger.c (diff list | history)

1992/1125/sys/src/9/power/debugger.c:84,95 – 1992/1126/sys/src/9/power/debugger.c:84,93 (short | long)
1992/1125		p = s->buf; while(p != end){ c = *p & 0xff; if(c >= ' ' && c <= '~'){ if(c == '\r' || c == '\n') dprintq.puts(&dprintq, "\r\n", 2); else dprintq.puts(&dprintq, p, 1); }
1992/1126		if(c == '\r' || c == '\n') dprintq.puts(&dprintq, "\r\n", 2); else if(c >= ' ' && c <= '~') dprintq.puts(&dprintq, p, 1);
1992/1125		p++; if(p >= &s->buf[sizeof(s->buf)]) p = s->buf;
1992/1125/sys/src/9/power/debugger.c:107,113 – 1992/1126/sys/src/9/power/debugger.c:105,111
1992/1125		dprint("! h <location> <howmany> - hex display\r\n"); return; } n = strtoul(start, 0, 0);
1992/1126		n = strtoul(start, 0, 16);
1992/1125		if((n & KZERO) == 0) return; p = (ulong *)n;
1992/1125/sys/src/9/power/debugger.c:120,127 – 1992/1126/sys/src/9/power/debugger.c:118,126
1992/1125		while(n > 0){ dprint("%lux/", p); for(i = 0; i < 8 && n > 0; i++, n--) dprint(" %lux", p[i]);
1992/1126		dprint(" %8.8lux", p[i]);
1992/1125		dprint("\r\n");
1992/1126		p += 8;
1992/1125		} }
1992/1125/sys/src/9/power/debugger.c:137,151 – 1992/1126/sys/src/9/power/debugger.c:136,149
1992/1125		for(i = 0; i < 4; i++){ if((active.machs&(1<<i)) == 0) continue; mp = (void*)MACHADDR; mp += i;
1992/1126		mp = (void*)(MACHADDR+i*BY2PG);
1992/1125		l = (ulong)(mp->proc); dprint("mach[%d]->proc/ %lux\r\n", i, l); dprint("mach[%d]->splpc/ %lux\r\n", i, mp->splpc); if((l & 0xf0000000) == KZERO){
1992/1126		if(l & KZERO){
1992/1125		p = (Proc*)l; l = (ulong)(p->upage); if((l & 0xf0000000) == KZERO){
1992/1126		if(l & KZERO){
1992/1125		pg = (Page*)l; l = pg->pa; dprint("mach[%d]->proc->upage->pa/ %lux\r\n", i, l);
1992/1125/sys/src/9/power/debugger.c:164,174 – 1992/1126/sys/src/9/power/debugger.c:162,167
1992/1125		USED(arg); /* * grab a port for a console */ duartspecial(3, &dprintq, &dkbdq, 9600);                  /* * sched() until we are on processor 1 */ for(;;){
1992/1125/sys/src/9/power/debugger.c:178,183 – 1992/1126/sys/src/9/power/debugger.c:171,183
1992/1125		splx(level); sched(); }
1992/1126		/* * grab a port for a console */ initq(&dprintq); initq(&dkbdq); duartspecial(3, &dprintq, &dkbdq, 9600);
1992/1125		/* * take processor and process out of active groups
1992/1126/sys/src/9/power/debugger.c:3,8 – 1992/1128/sys/src/9/power/debugger.c:3,9 (short | long)
1992/1125		#include "mem.h" #include "dat.h" #include "fns.h"
1992/1128		#include "io.h"
1992/1125		IOQ dkbdq; IOQ dprintq;
1992/1126/sys/src/9/power/debugger.c:78,86 – 1992/1128/sys/src/9/power/debugger.c:79,89
1992/1125		return; s = &syslogbuf[i];
1992/1128		if(s->next < s->buf || s->next >= &s->buf[sizeof(s->buf)]) s->next = s->buf;
1992/1125		end = s->next; p = end + 1; if(p >= &s->buf[sizeof(s->buf)])
1992/1128		if(p >= &s->buf[sizeof(s->buf)] || p < s->buf)
1992/1125		p = s->buf; while(p != end){ c = *p & 0xff;
1992/1126/sys/src/9/power/debugger.c:202,212 – 1992/1128/sys/src/9/power/debugger.c:205,219
1992/1125		case 'i': printinfo(); break;
1992/1128		case 'q': firmware(cpuserver ? PROM_AUTOBOOT : PROM_REINIT); break;
1992/1125		default: dprint("!commands are:\r\n"); dprint("! l <cpu#> - print cpu log\r\n"); dprint("! h <location> <howmany> - hex display\r\n"); dprint("! i - display some addresses\r\n");
1992/1128		dprint("! q - quit/rebooot\r\n");
1992/1125		break; } }
1992/1128/sys/src/9/power/debugger.c:143,148 – 1992/1129/sys/src/9/power/debugger.c:143,149 (short | long)
1992/1125		l = (ulong)(mp->proc); dprint("mach[%d]->proc/ %lux\r\n", i, l); dprint("mach[%d]->splpc/ %lux\r\n", i, mp->splpc);
1992/1129
1992/1126		if(l & KZERO){
1992/1125		p = (Proc*)l; l = (ulong)(p->upage);
1992/1129/sys/src/9/power/debugger.c:4,9 – 1992/1202/sys/src/9/power/debugger.c:4,10 (short | long)
1992/1125		#include "dat.h" #include "fns.h"
1992/1128		#include "io.h"
1992/1202		#include "ureg.h"
1992/1125		IOQ dkbdq; IOQ dprintq;
1992/1129/sys/src/9/power/debugger.c:133,138 – 1992/1202/sys/src/9/power/debugger.c:134,140
1992/1125		Mach *mp; Proc *p; Page *pg;
1992/1202		Ureg *ur;
1992/1125		ulong l; int i;
1992/1129/sys/src/9/power/debugger.c:141,148 – 1992/1202/sys/src/9/power/debugger.c:143,150
1992/1125		continue;
1992/1126		mp = (void*)(MACHADDR+i*BY2PG);
1992/1125		l = (ulong)(mp->proc); dprint("mach[%d]->proc/ %lux\r\n", i, l); dprint("mach[%d]->splpc/ %lux\r\n", i, mp->splpc);
1992/1202		dprint("mach[%d] proc/%lux\r\n", i, l); dprint("mach[%d] splpc/%lux\r\n", i, mp->splpc);
1992/1129
1992/1126		if(l & KZERO){
1992/1125		p = (Proc*)l;
1992/1129/sys/src/9/power/debugger.c:150,158 – 1992/1202/sys/src/9/power/debugger.c:152,166
1992/1126		if(l & KZERO){
1992/1125		pg = (Page*)l; l = pg->pa; dprint("mach[%d]->proc->upage->pa/ %lux\r\n", i, l);
1992/1202		dprint("mach[%d] proc->upage->pa/%lux\r\n", i, l);
1992/1125		} }
1992/1202		l = (ulong)(mp->ur); dprint("mach[%d] ur/%lux", i, l); ur = (Ureg*)l; dprint(" &status/%lux &cause/%lux &sp/%lux &pc/%lux", &ur->status, &ur->cause, &ur->sp, &ur->pc); dprint("\r\n");
1992/1125		} }
1992/1202/sys/src/9/power/debugger.c:1,249 – 1993/0806/sys/src/9/power/debugger.c:0 (short | long)
Deleted. rsc Mon Mar 7 10:32:49 2005
1992/1125		#include "u.h" #include "../port/lib.h" #include "mem.h" #include "dat.h" #include "fns.h"
1992/1128		#include "io.h"
1992/1202		#include "ureg.h"
1992/1125		IOQ dkbdq; IOQ dprintq;                  typedef struct Syslogbuf Syslogbuf; struct Syslogbuf { char *next; char buf[4*1024]; };                  Syslogbuf syslogbuf[4];                  static int dprint(char *fmt, ...) { char buf[PRINTSIZE]; int n;                  n = doprint(buf, buf+sizeof(buf), fmt, (&fmt+1)) - buf; dprintq.puts(&dprintq, buf, n); return n; }                  static int dgetline(char *p, int n) { int c; char *end, *start; char buf[1];                  start = p; end = p + n - 1; for(;;){ c = getc(&dkbdq); if(c <= 0) continue;                  /* echo */ buf[0] = c; if(c == '\r' || c == '\n') dprintq.puts(&dprintq, "\r\n", 2); else dprintq.puts(&dprintq, buf, 1);                  if(c == '\b'){ if(p != start) p--; continue; } if(c == '\r' || c == '\n') break; if(p >= end) continue; *p++ = c; } *p = 0; return p - start; }                  static void printlog(char *cpu) { int i, c; char *p, *end; Syslogbuf *s;                  if(cpu == 0) i = 0; else i = atoi(cpu); if(i < 0 || i > 3) return; s = &syslogbuf[i];
1992/1128		if(s->next < s->buf || s->next >= &s->buf[sizeof(s->buf)]) s->next = s->buf;
1992/1125		end = s->next; p = end + 1;
1992/1128		if(p >= &s->buf[sizeof(s->buf)] || p < s->buf)
1992/1125		p = s->buf; while(p != end){ c = *p & 0xff;
1992/1126		if(c == '\r' || c == '\n') dprintq.puts(&dprintq, "\r\n", 2); else if(c >= ' ' && c <= '~') dprintq.puts(&dprintq, p, 1);
1992/1125		p++; if(p >= &s->buf[sizeof(s->buf)]) p = s->buf; } }                  static void printhex(char *start, char *len) { int i; ulong n; ulong *p;                  if(start == 0){ dprint("! h <location> <howmany> - hex display\r\n"); return; }
1992/1126		n = strtoul(start, 0, 16);
1992/1125		if((n & KZERO) == 0) return; p = (ulong *)n;                  if(len) n = strtoul(len, 0, 0); else n = 1;                  while(n > 0){ dprint("%lux/", p); for(i = 0; i < 8 && n > 0; i++, n--)
1992/1126		dprint(" %8.8lux", p[i]);
1992/1125		dprint("\r\n");
1992/1126		p += 8;
1992/1125		} }                  static void printinfo(void) { Mach *mp; Proc *p; Page *pg;
1992/1202		Ureg *ur;
1992/1125		ulong l; int i;                  for(i = 0; i < 4; i++){ if((active.machs&(1<<i)) == 0) continue;
1992/1126		mp = (void*)(MACHADDR+i*BY2PG);
1992/1125		l = (ulong)(mp->proc);
1992/1202		dprint("mach[%d] proc/%lux\r\n", i, l); dprint("mach[%d] splpc/%lux\r\n", i, mp->splpc);
1992/1129
1992/1126		if(l & KZERO){
1992/1125		p = (Proc*)l; l = (ulong)(p->upage);
1992/1126		if(l & KZERO){
1992/1125		pg = (Page*)l; l = pg->pa;
1992/1202		dprint("mach[%d] proc->upage->pa/%lux\r\n", i, l);
1992/1125		} }
1992/1202		l = (ulong)(mp->ur); dprint("mach[%d] ur/%lux", i, l); ur = (Ureg*)l; dprint(" &status/%lux &cause/%lux &sp/%lux &pc/%lux", &ur->status, &ur->cause, &ur->sp, &ur->pc); dprint("\r\n");
1992/1125		} }                  void debugger(void *arg) { int n, level; char buf[256]; char *field[3];                  USED(arg);                  /* * sched() until we are on processor 1 */ for(;;){ level = splhi(); if(m->machno == 1) break; splx(level); sched(); }
1992/1126		/* * grab a port for a console */ initq(&dprintq); initq(&dkbdq); duartspecial(3, &dprintq, &dkbdq, 9600);
1992/1125		/* * take processor and process out of active groups */ active.machs &= ~(1<<1); splx(level);                  for(;;){ dprint("kdb> "); dgetline(buf, sizeof(buf)); memset(field, 0, sizeof(field)); n = getfields(buf, field, 3, ' '); if(n == 0) continue; switch(*field[0]){ case 'l': printlog(field[1]); break; case 'h': printhex(field[1], field[2]); break; case 'i': printinfo(); break;
1992/1128		case 'q': firmware(cpuserver ? PROM_AUTOBOOT : PROM_REINIT); break;
1992/1125		default: dprint("!commands are:\r\n"); dprint("! l <cpu#> - print cpu log\r\n"); dprint("! h <location> <howmany> - hex display\r\n"); dprint("! i - display some addresses\r\n");
1992/1128		dprint("! q - quit/rebooot\r\n");
1992/1125		break; } } }                  void syslog(char *str, int n) { Syslogbuf *s; int level;                  level = splhi(); s = &syslogbuf[m->machno]; if(s->next < s->buf || s->next >= &s->buf[sizeof(s->buf)]) s->next = s->buf; while(n-- > 0){ *s->next = *str++; if(s->next >= &s->buf[sizeof(s->buf)-1]) s->next = s->buf; else s->next++; } splx(level); }