initcode.c

这是一个同样来自贝尔实验室的和UNIX有着渊源的操作系统, 其简洁的设计和实现易于我们学习和理解

/*
 * IMPORTANT!  DO NOT ADD LIBRARY CALLS TO THIS FILE.
 * The entire text image must fit on one page.
 */

#include <u.h>
#include <libc.h>

char cons[] = "#c/cons";
char boot[] = "/boot/boot";
char dev[] = "/dev";
char c[] = "#c";
char e[] = "#e";
char ec[] = "#ec";
char s[] = "#s";
char srv[] = "/srv";
char env[] = "/env";

void
startboot(char *argv0, char **argv)
{
	open(cons, OREAD);
	open(cons, OWRITE);
	open(cons, OWRITE);
	bind(c, dev, MAFTER);
	bind(ec, env, MAFTER);
	bind(e, env, MCREATE|MAFTER);
	bind(s, srv, MREPL|MCREATE);
	exec(boot, argv);
	for(;;);
}