1 /*
2 * IMPORTANT! DO NOT ADD LIBRARY CALLS TO THIS FILE.
3 * The entire text image must fit on one page
4 * (and there's no data segment, so any read/write data must be on the stack).
5 */
6
7 #include <u.h>
8 #include <libc.h>
9
10 char cons[] = "#c/cons";
11 char boot[] = "/boot/boot";
12 char dev[] = "/dev";
13 char c[] = "#c";
14 char e[] = "#e";
15 char ec[] = "#ec";
16 char s[] = "#s";
17 char srv[] = "/srv";
18 char env[] = "/env";
19
20 void
startboot(char * argv0,char ** argv)21 startboot(char *argv0, char **argv)
22 {
23 char buf[200];
24
25 USED(argv0);
26 /*
27 * open the console here so that /boot/boot,
28 * which could be a shell script, can inherit the open fds.
29 */
30 open(cons, OREAD);
31 open(cons, OWRITE);
32 open(cons, OWRITE);
33 bind(c, dev, MAFTER);
34 bind(ec, env, MAFTER);
35 bind(e, env, MCREATE|MAFTER);
36 bind(s, srv, MREPL|MCREATE);
37 exec(boot, argv);
38
39 rerrstr(buf, sizeof buf);
40 buf[sizeof buf - 1] = '\0';
41 _exits(buf);
42 }
43