/*
* Print a string on the console. Convert \n to \r\n for serial
* line consoles. Locking of the queues is left up to the screen
* or uart code. Multi-line messages to serial consoles may get
* interspersed with other messages.
*/
static void
putstrn0(char *str, int n, int usewrite)
{
if(!islo())
usewrite = 0;
/*
* how many different output devices do we need?
*/
kmesgputs(str, n);
/*
* if someone is reading /dev/kprint,
* put the message there.
* if not and there's an attached bit mapped display,
* put the message there.
*
* if there's a serial line being used as a console,
* put the message there.
*/
if(kprintoq != nil && !qisclosed(kprintoq)){
if(usewrite)
qwrite(kprintoq, str, n);
else
qiwrite(kprintoq, str, n);
}else if(screenputs != nil)
screenputs(str, n);
uartputs(str, n);
#if 0 // Plan 9 VX
if(serialoq == nil){
uartputs(str, n);
return;
}
while(n > 0) {
t = memchr(str, '\n', n);
if(t && !kbd.raw) {
m = t-str;
if(usewrite){
qwrite(serialoq, str, m);
qwrite(serialoq, "\r\n", 2);
} else {
qiwrite(serialoq, str, m);
qiwrite(serialoq, "\r\n", 2);
}
n -= m+1;
str = t+1;
} else {
if(usewrite)
qwrite(serialoq, str, n);
else
qiwrite(serialoq, str, n);
break;
}
}
#endif
}
/*
* Print a string on the console. Convert \n to \r\n for serial
* line consoles. Locking of the queues is left up to the screen
* or uart code. Multi-line messages to serial consoles may get
* interspersed with other messages.
*/
static void
putstrn0(char *str, int n, int usewrite)
{
kmesgputs(str, n);
if(consputs != nil)
consputs(str, n);
if(consuartputs != nil)
consuartputs(str, n);
}
int
kmprint(char *fmt, ...)
{
int n;
va_list arg;
char buf[PRINTSIZE];
va_start(arg, fmt);
n = vseprint(buf, buf+sizeof(buf), fmt, arg) - buf;
va_end(arg);
kmesgputs(buf, n);
return n;
}
static void echo(char *buf, int n)
{
static int ctrlt, pid;
char *e, *p;
if (n == 0)
return;
e = buf + n;
for (p = buf; p < e; p++) {
switch (*p) {
#if 0
case 0x10: /* ^P */
if (cpuserver && !kbd.ctlpoff) {
active.exiting = 1;
return;
}
break;
#endif
case 0x14: /* ^T */
ctrlt++;
if (ctrlt > 2)
ctrlt = 2;
continue;
}
if (ctrlt != 2)
continue;
/* ^T escapes */
ctrlt = 0;
switch (*p) {
#if 0
case 'S': {
int8_t x = 0;
disable_irqsave(&x);
dumpstack();
procdump();
enable_irqsave(&x);
return;
}
#endif
case 's':
dumpstack();
return;
#if 0
case 'x':
xsummary();
ixsummary();
mallocsummary();
memorysummary();
pagersummary();
return;
case 'd':
if (consdebug == NULL)
consdebug = rdb;
else
consdebug = NULL;
printd("consdebug now %#p\n", consdebug);
return;
case 'D':
if (consdebug == NULL)
consdebug = rdb;
consdebug();
return;
case 'p':
x = spllo();
procdump();
splx(x);
return;
case 'q':
scheddump();
return;
case 'k':
killbig("^t ^t k");
return;
#endif
case 'r':
exit(0);
return;
}
}
qproduce(kbdq, buf, n);
if (kbd.raw)
return;
kmesgputs(buf, n);
if (screenputs != NULL)
echoscreen(buf, n);
if (serialoq)
echoserialoq(buf, n);
}
void
echo(char *buf, int n)
{
static int ctrlt;
int x;
char *e, *p;
if(n == 0)
return;
e = buf+n;
for(p = buf; p < e; p++){
switch(*p){
case 0x10: /* ^P */
if(cpuserver && !kbd.ctlpoff){
active.exiting = 1;
return;
}
break;
case 0x14: /* ^T */
ctrlt++;
if(ctrlt > 2)
ctrlt = 2;
continue;
}
if(ctrlt != 2)
continue;
/* ^T escapes */
ctrlt = 0;
switch(*p){
case 'S':
x = splhi();
dumpstack();
procdump();
splx(x);
return;
case 's':
dumpstack();
return;
case 'x':
xsummary();
ixsummary();
mallocsummary();
// memorysummary();
pagersummary();
return;
case 'd':
if(consdebug == nil)
consdebug = rdb;
else
consdebug = nil;
print("consdebug now 0x%p\n", consdebug);
return;
case 'D':
if(consdebug == nil)
consdebug = rdb;
consdebug();
return;
case 'p':
x = spllo();
procdump();
splx(x);
return;
case 'q':
scheddump();
return;
case 'k':
killbig("^t ^t k");
return;
case 'r':
exit(0);
return;
}
}
qproduce(kbdq, buf, n);
if(kbd.raw)
return;
kmesgputs(buf, n);
if(screenputs != nil)
echoscreen(buf, n);
uartecho(buf, n); // Plan 9 VX
}