void
umain(int argc, char **argv)
{
char c1, c2;
int r, rfd, wfd, kfd, n1, n2, off, nloff;
int pfds[2];
close(0);
close(1);
opencons();
opencons();
if ((rfd = open("testshell.sh", O_RDONLY)) < 0)
panic("open testshell.sh: %e", rfd);
if ((wfd = pipe(pfds)) < 0)
panic("pipe: %e", wfd);
wfd = pfds[1];
cprintf("running sh -x < testshell.sh | cat\n");
if ((r = fork()) < 0)
panic("fork: %e", r);
if (r == 0) {
dup(rfd, 0);
dup(wfd, 1);
close(rfd);
close(wfd);
if ((r = spawnl("/bin/sh", "sh", "-x", 0)) < 0)
panic("spawn: %e", r);
close(0);
close(1);
wait(r);
exit();
}
close(rfd);
close(wfd);
rfd = pfds[0];
if ((kfd = open("testshell.key", O_RDONLY)) < 0)
panic("open testshell.key for reading: %e", kfd);
nloff = 0;
for (off=0;; off++) {
n1 = read(rfd, &c1, 1);
n2 = read(kfd, &c2, 1);
if (n1 < 0)
panic("reading testshell.out: %e", n1);
if (n2 < 0)
panic("reading testshell.key: %e", n2);
if (n1 == 0 && n2 == 0)
break;
if (n1 != 1 || n2 != 1 || c1 != c2)
cprintf("Umesh: n1 = [%d],n2 = [%d],c1 = [%c], c2 = [%c]",n1,n2,c1,c2);
wrong(rfd, kfd, nloff);
if (c1 == '\n')
nloff = off+1;
}
cprintf("shell ran correctly\n");
breakpoint();
}
void
umain(int argc, char **argv)
{
char c1, c2;
int r, rfd, wfd, kfd, n1, n2, off, nloff;
close(0);
close(1);
opencons();
opencons();
if ((rfd = open("testshell.sh", O_RDONLY)) < 0)
panic("open testshell.sh: %e", rfd);
if ((wfd = open("testshell.out", O_WRONLY|O_CREAT|O_TRUNC)) < 0)
panic("open testshell.out: %e", wfd);
cprintf("running sh -x < testshell.sh > testshell.out\n");
if ((r = fork()) < 0)
panic("fork: %e", r);
if (r == 0) {
dup(rfd, 0);
dup(wfd, 1);
close(rfd);
close(wfd);
if ((r = spawnl("/sh", "sh", "-x", 0)) < 0)
panic("spawn: %e", r);
close(0);
close(1);
wait(r);
exit();
}
close(rfd);
close(wfd);
wait(r);
if ((rfd = open("testshell.out", O_RDONLY)) < 0)
panic("open testshell.out for reading: %e", rfd);
if ((kfd = open("testshell.key", O_RDONLY)) < 0)
panic("open testshell.key for reading: %e", kfd);
nloff = 0;
for (off=0;; off++) {
n1 = read(rfd, &c1, 1);
n2 = read(kfd, &c2, 1);
if (n1 < 0)
panic("reading testshell.out: %e", n1);
if (n2 < 0)
panic("reading testshell.key: %e", n2);
if (n1 == 0 && n2 == 0)
break;
if (n1 != 1 || n2 != 1 || c1 != c2)
wrong(rfd, kfd, nloff);
if (c1 == '\n')
nloff = off+1;
}
cprintf("shell ran correctly\n");
breakpoint();
}
void
umain(int argc, char **argv)
{
int i, r;
// Spin for a bit to let the console quiet
for (i = 0; i < 10; ++i)
sys_yield();
close(0);
if ((r = opencons()) < 0)
panic("opencons: %e", r);
if (r != 0)
panic("first opencons used fd %d", r);
if ((r = dup(0, 1)) < 0)
panic("dup: %e", r);
for(;;){
char *buf;
buf = readline("Type a line: ");
if (buf != NULL)
fprintf(1, "%s\n", buf);
else
fprintf(1, "(end of file received)\n");
cprintf("read a line finish\n");
}
}
void
umain(int argc, char **argv)
{
int i, r, x, want;
char args[256];
cprintf("init: running\n");
want = 0xf989e;
if ((x = sum((char*)&data, sizeof data)) != want)
cprintf("init: data is not initialized: got sum %08x wanted %08x\n",
x, want);
else
cprintf("init: data seems okay\n");
if ((x = sum(bss, sizeof bss)) != 0)
cprintf("bss is not initialized: wanted sum 0 got %08x\n", x);
else
cprintf("init: bss seems okay\n");
// output in one syscall per line to avoid output interleaving
strcat(args, "init: args:");
for (i = 0; i < argc; i++) {
strcat(args, " '");
strcat(args, argv[i]);
strcat(args, "'");
}
cprintf("%s\n", args);
cprintf("init: running sh\n");
// being run directly from kernel, so no file descriptors open yet
close(0);
if ((r = opencons()) < 0)
panic("opencons: %e", r);
if (r != 0)
panic("first opencons used fd %d", r);
if ((r = dup(0, 1)) < 0)
panic("dup: %e", r);
while (1) {
cprintf("init: starting sh\n");
r = spawnl("/bin/sh", "sh", (char*)0);
if (r < 0) {
cprintf("init: spawn sh: %e\n", r);
continue;
}
//cprintf("init waiting\n");
wait(r);
#ifdef VMM_GUEST
break;
#endif
}
}
void
umain(int argc, char **argv)
{
int i, r, x, want;
cprintf("init: running\n");
want = 0xf989e;
if ((x = sum((char*)&data, sizeof data)) != want)
cprintf("init: data is not initialized: got sum %08x wanted %08x\n",
x, want);
else
cprintf("init: data seems okay\n");
if ((x = sum(bss, sizeof bss)) != 0)
cprintf("bss is not initialized: wanted sum 0 got %08x\n", x);
else
cprintf("init: bss seems okay\n");
cprintf("init: args:");
for (i = 0; i < argc; i++)
cprintf(" '%s'", argv[i]);
cprintf("\n");
cprintf("init: running sh\n");
// being run directly from kernel, so no file descriptors open yet
close(0);
if ((r = opencons()) < 0)
panic("opencons: %e", r);
if (r != 0)
panic("first opencons used fd %d", r);
if ((r = dup(0, 1)) < 0)
panic("dup: %e", r);
while (1) {
cprintf("init: starting sh\n");
r = spawnl("/sh", "sh", (char*)0);
if (r < 0) {
cprintf("init: spawn sh: %e\n", r);
continue;
}
wait(r);
return;
}
}
