## diffname port/rdb.c 1999/0820
## diff -e /dev/null /n/emeliedump/1999/0820/sys/src/brazil/port/rdb.c
0a
#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "io.h"
#include "ureg.h"

extern Queue *printq;

#define DBG	if(0)scrprint
#pragma varargck argpos scrprint 1
static Ureg ureg;

static void
scrprint(char *fmt, ...)
{
	char buf[128];
	va_list va;
	int n;

	va_start(va, fmt);
	n = doprint(buf, buf+sizeof buf, fmt, va)-buf;
	va_end(va);
	putstrn(buf, n);
}

static char*
getline(void)
{
	static char buf[128];
	int i, c;

	for(;;){
		for(i=0; i<nelem(buf) && (c=serialgetc()) != '\n'; i++){
			DBG("%c...", c);
			buf[i] = c;
		}

		if(i < nelem(buf)){
			buf[i] = 0;
			return buf;
		}
	}
}

static void*
addr(char *s, Ureg *ureg)
{
	ulong a;

	a = strtoul(s, 0, 16);
	if(a < sizeof(Ureg))
		return ((uchar*)ureg)+a;
	return (void*)a;
}

static void
talkrdb(Ureg *ureg)
{
	uchar *a;
	char *req;

	printq = nil;	// turn off serial console
//	scrprint("Brazil debugger\n");
	iprint("Edebugger reset\n");
	for(;;){
		req = getline();
		switch(*req){
		case 'r':
			a = addr(req+1, ureg);
			DBG("read %p\n", a);
			iprint("R%.8lux %.2ux %.2ux %.2ux %.2ux\n", strtoul(req+1, 0, 16), a[0], a[1], a[2], a[3]);
			break;
/*
 *		case Tmput:
			n = min[4];
			if(n > 4){
				mesg(Rerr, Ecount);
				break;
			}
			a = addr(min+0);
			scrprint("mput %.8lux\n", a);
			memmove(a, min+5, n);
			mesg(Rmput, mout);
			break;
 *
 */
		default:
			DBG("unknown %c\n", *req);
			iprint("Eunknown message\n");
			break;
		}
	}
}

void
rdb(void)
{
	splhi();
	iprint("rdb...");
	callwithureg(talkrdb);
}
.
## diffname port/rdb.c 1999/1031
## diff -e /n/emeliedump/1999/0820/sys/src/brazil/port/rdb.c /n/emeliedump/1999/1031/sys/src/9/port/rdb.c
65c
//	scrprint("Plan 9 debugger\n");
.
## diffname port/rdb.c 2000/0611
## diff -e /n/emeliedump/1999/1031/sys/src/9/port/rdb.c /n/emeliedump/2000/0611/sys/src/9/port/rdb.c
73a
			break;

		case 'w':
			a = addr(req+1, ureg, &p);
			*(ulong*)a = strtoul(p, nil, 16);
			iprint("W\n");
.
71c
			a = addr(req+1, ureg, nil);
.
61a
	char *p;
.
52c
	a = strtoul(s, p, 16);
.
48c
addr(char *s, Ureg *ureg, char **p)
.
## diffname port/rdb.c 2001/0527
## diff -e /n/emeliedump/2000/0611/sys/src/9/port/rdb.c /n/emeliedump/2001/0527/sys/src/9/port/rdb.c
65c
	serialoq = nil;	// turn off serial console
	kprintoq = nil;	// turn off /dev/kprint if active
.
9,10d
## diffname port/rdb.c 2002/0217
## diff -e /n/emeliedump/2001/0527/sys/src/9/port/rdb.c /n/emeliedump/2002/0217/sys/src/9/port/rdb.c
21c
	n = vseprint(buf, buf+sizeof buf, fmt, va)-buf;
.
## diffname port/rdb.c 2002/0412
## diff -e /n/emeliedump/2002/0217/sys/src/9/port/rdb.c /n/emeliedump/2002/0412/sys/src/9/port/rdb.c
33c
		for(i=0; i<nelem(buf) && (c=uartgetc()) != '\n'; i++){
.