int main(int argc, char *argv[])
{
int opt;
optflags = 0;
outflags = OF_PID|OF_TTY|OF_TIME|OF_CMD;
while((opt = getopt(argc, argv, "AeaNrp:t:U:u:lf")) != -1) {
switch(opt) {
case 'A':
case 'e':
/* Show everything */
optflags |= F_e;
break;
case 'a':
/* All except session leaders and not
associated with tty. We only do not assoc */
optflags |= F_a;
break;
case 'N':
/* Invert match */
optflags |= F_N;
break;
/* BSDism : keep if doesn't clash */
case 'r':
/* Only running processes */
optflags |= F_r;
break;
case 'p':
/* Must match this pid */
optflags |= F_p;
add_pidmatch(optarg);
break;
case 't':
optflags |= F_t;
add_ttymatch(optarg);
break;
case 'U':
case 'u': /* -u deviates from the standard */
optflags |= F_u;
add_uidmatch(optarg);
break;
case 'l':
outflags |= OF_F|OF_S|OF_UID|OF_PID|OF_PPID|
OF_C|OF_PRI|OF_NI|OF_ADDR|OF_SZ|
OF_WCHAN|OF_TTY|OF_TIME|OF_CMD;
break;
case 'f':
outflags |= OF_UID|OF_PID|OF_PPID|OF_C|
OF_STIME|OF_TTY|OF_TIME|OF_CMD;
break;
default:
usage();
}
}
if (optind != argc)
usage();
return do_ps();
}
/****************** syscall handler in C ***************************/
int kcinth(){
u16 segment, offset;
int a,b,c,d, r;
segment = running->uss;
offset = running->usp;
/** get syscall parameters from ustack **/
a = get_word(segment, offset + 2*PA);
b = get_word(segment, offset + 2*PB);
c = get_word(segment, offset + 2*PC);
d = get_word(segment, offset + 2*PD);
//printf("proc%d syscall a=%d b=%d c=%d d=%d\n", running->pid, a,b,c,d);
switch(a){
case 0 : r = running->pid; break;
case 1 : r = do_ps(); break;
case 2 : r = chname(b); break;
case 3 : r = kmode(); break;
case 4 : r = tswitch(); break;
case 5 : r = do_wait(b); break;
case 6 : r = do_exit(b); break;
case 90: r = getc(); break;
case 91: r = putc(b); break;
case 99: do_exit(b); break;
default: printf("invalid syscall # : %d\n", a);
}
put_word(r, segment, offset + 2*AX);
}
int body(void)
{
char c, str[64];
printf("proc %d resumes to body()\n\r", running->pid);
showLists();
while(1)
{
printf("\rproc %d running : enter a key [s|f|z|a|w|q|u|p|l]: ", running->pid);
c = getc();
printf("%c\n\r", c);
switch(c)
{
case 's': tswitch(); break;
case 'q': do_exit(); break;
case 'f': kfork("/bin/u1"); break;
case 'z': do_sleep(); break;
case 'a': do_wake(); break;
case 'w': do_wait(); break;
case 'u': goUmode(); break;
case 'p': do_ps(); break;
case 'l': showLists();break;
default: break;
}
}
}
int kcinth()
{
u16 segment, offset;
int a,b,c,d, r;
segment = running->uss;
offset = running->usp;
a = get_word(segment, offset + 2*PA);
b = get_word(segment, offset + 2*PB);
c = get_word(segment, offset + 2*PC);
d = get_word(segment, offset + 2*PD);
/*printf("interupthandler a = %d\n", a);
printf("b = %d\n", b);
printf("string: %s\n", c);
printf("n = %d\n", d);*/
switch(a){
case 0 : r = running->pid; break;
case 1 : r = do_ps(); break;
case 2 : r = kchname(b); break;
case 3 : r = kmode(); break;
case 4 : r = tswitch(); break;
case 5 : r = do_wait(b); break;
case 6 : r = do_exit(b); break;
case 7 : r = fork(); break;
case 8 : r = exec(b); break;
/****** these are YOUR pipe functions ************/
case 30 : r = kpipe(b); break;
case 31 : r = read_pipe(b,c,d); break;
case 32 : r = write_pipe(b,c,d); break;
case 33 : r = close_pipe(b); break;
case 34 : r = pfd(); break;
/**************** end of pipe functions ***********/
case 90: r = getc(); break;
case 91: color=running->pid+11;
r = putc(b); break;
case 99: do_exit(b); break;
default: printf("invalid syscall # : %d\n", a);
}
//printf("interupthandler r = %d\n", r);
//getc();
put_word(r, segment, offset + 2*AX);
}
int main(int argc, char ** argv)
{
char c;
while((c = getopt(argc, argv, "t")) >= 0) {
switch(c) {
case 't':
display_threads = true;
break;
default:
usage(argv[0]);
}
}
do_ps();
return 0;
}
int kcinth()
{
u16 segment, offset;
int a,b,c,d, r;
segment = running->uss;
offset = running->usp;
a = get_word(segment, offset + 2*PA);
b = get_word(segment, offset + 2*PB);
c = get_word(segment, offset + 2*PC);
d = get_word(segment, offset + 2*PD);
switch(a){
case 0 : r = running->pid; break;
case 1 : r = do_ps(); break;
case 2 : r = chname(b); break;
case 3 : r = kmode(); break;
case 4 : r = tswitch(); break;
case 5 : r = do_wait(b); break;
case 6 : r = do_exit(b); break;
case 7 : r = fork(); break;
case 8 : r = exec(b); break;
case 9 : r = vfork(); break;
case 30 : r = kpipe(b); break;
case 31 : r = read_pipe(b,c,d); break;
case 32 : r = write_pipe(b,c,d); break;
case 33 : r = close_pipe(b); break;
case 34 : r = pfd(); break;
case 90: r = getc(); break;
case 91: color=running->pid+11;
r = putc(b); break;
case 99: do_exit(b); break;
default: printf("invalid syscall # : %d\n", a);
}
put_word(r, segment, offset + 2*AX);
}
int main(int argc, char *argv[])
{
int i;
flags = 0;
for (i = 1; i < argc; ++i) {
char *p = argv[i];
if (*p == '-') ++p;
while (*p)
switch (*p++) {
case 'a': flags |= F_a; break;
case 'h': flags |= F_h; break;
case 'r': flags |= F_r; break;
case 'n': flags |= F_n; break;
default:
fprintf(stderr, "usage: ps [-][ahrn]\n");
return 1;
}
}
return do_ps();
}
int kcinth()
{
ushort seg, off, r;
int x, y, z, w;
seg = running->uss; off = running->usp;
x = get_word(seg, off + 2*13);
y = get_word(seg, off + 2*14);
z = get_word(seg, off + 2*15);
w = get_word(seg, off + 2*16);
switch(x){
case 0 : r = running->pid; break;
case 1 : r = do_ps(); break;
case 2 : r = chname(y); break;
case 3 : r = kmode(); break;
case 4 : r = tswitch(); break;
case 5 : r = do_wait(y); break;
case 6 : r = do_exit(y); break;
case 7 : r = ufork(); break;
case 8 : r = exec(y); break;
case 9 : r = chcolor(y); break;
case 10: r = putc(y); break;
case 11: mysleep(y); break;
case 99 : do_exit(y); break;
default: printf("invalid syscall # : %d\n", x);
break;
}
put_word(r, seg, off + 2*8);
}
int body()
{
char c;
printf("proc %d resumes to body()\n", running->pid);
while(1)
{
printf("-----------------------------------------\n");
//print freeList;
printf("Free List:\n");
printQueue(freeList);
// print readyQueue;
printf("Ready Queue:\n");
printQueue(readyQueue);
// print sleepList;
printf("Sleep List:\n");
printSleepQueue(sleepList);
printf("-----------------------------------------\n");
printf("proc %d[%d] running: parent=%d\n",
running->pid, running->priority, running->ppid);
printf("type a char [s|f|q| p|z|a| w ] : ");
c = getc();
printf("%c\n", c);
switch(c){
case 's' : do_tswitch(); break;
case 'f' : do_kfork(); break;
case 'q' : do_exit(); break;
case 'p' : do_ps(); break;
case 'z' : do_sleep(); break;
case 'a' : do_wakeup(); break;
case 'w' : do_wait(); break;
}
}
}
int kbhandler()
{
int scode, value, c;
KBD *kp = &kb;
/* Fetch the character from the keyboard hardware and acknowledge it. */
scode = in_byte(KEYBD); /* get the scan code of the key struck */
value = in_byte(PORT_B); /* strobe the keyboard to ack the char */
out_byte(PORT_B, value | KBIT); /* first, strobe the bit high */
out_byte(PORT_B, value); /* then strobe it low */
// printf("scode=%x\n", scode);
if (scode == 0xE0) // ESC key
esc++; // inc esc count by 1
if (esc && esc < 2) // only the first ESC key, wait for next code
goto out;
if (esc == 2){ // two 0xE0 means escape sequence key release
if (scode == 0xE0) // this is the 2nd E0 itself, real code will come next
goto out;
// with esc==2, this must be the actual scan code, so handle it
scode &= 0x7F; // leading bit off
if (scode == 0x38){ // Right Alt
alt = 0;
goto out;
}
if (scode == 0x1D){ // Right Control release
control = 0;
goto out;
}
if (scode == 0x48){ // up arrow
arrowKey = 0x0B;
printf("UP arrow key\n");
}
esc = 0;
goto out;
}
if (scode & 0x80){ // key release: ONLY catch release of shift, control,alt
scode &= 0x7F; // mask out bit 7
if (scode == LSHIFT || scode == RSHIFT)
shifted = 0; // released the shift key
if (scode == CONTROL)
control = 0; // released the Control key
if (scode == ALT)
alt = 0; // released the ALT key
goto out;
}
// from here on, must be key press
if (scode == 1){ // Esc key on keyboard
printf("Esc key\n");
goto out;
}
if (scode == LSHIFT || scode == RSHIFT){
shifted = 1; // set shifted flag
goto out;
}
if (scode == ALT){
alt = 1;
goto out;
}
if (scode == CONTROL){
control = 1;
goto out;
}
if (scode == 0x3A){
capslock = 1 - capslock; // capslock key acts like a toggle
goto out;
}
if (control && alt && scode == DEL){
printf("3-finger salute\n");
goto out;
}
/************ 5-06-****** add F keys for debuggin *************/
if (scode == F1){
printf("F1 key : ");
do_ps();
goto out;
}
if (scode == F2){
printf("Function Key F2\n");
goto out;
}
// translate scan code to ASCII, using shift[ ] table if shifted;
c = (shifted ? shift[scode] : unshift[scode]);
// Convert all to upper case if capslock is on
if (capslock){
if (c >= 'A' && c <= 'Z')
c += 'a' - 'A';
else if (c >= 'a' && c <= 'z')
c -= 'a' - 'A';
}
if (control && (c=='c'||c=='C')){ // Control-C keys on PC, these are 2 keys
printf("Control-C Keys : Send INTR signal to process\n");
goto out;
}
if (control && (c=='d'|| c=='D')){ // Control-D, these are 2 keys
printf("Control-D keys : set code=4 to let process hanlde KBD EOF\n");
c = 4; // Control-D
}
/* Store the character in kb.buf[] for process to get */
if (kb.data == KBLEN){
printf("%c\n", BELL);
goto out; // kb.buf[] already FULL
}
kb.buf[kb.head++] = c;
kb.head %= KBLEN;
kb.data++;
kwakeup(&kb.data);
out:
out_byte(0x20, 0x20);
}
void main( void )
{
do_ps();
}