Subversion Repositories planix.SVN

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

static char *paqfile;

void
configembed(Method *m)
{
        if(*sys == '/' || *sys == '#'){
                /*
                 *  if the user specifies the disk in the boot cmd or
                 * 'root is from' prompt, use it
                 */
                paqfile = sys;
        } else if(m->arg){
                /*
                 *  a default is supplied when the kernel is made
                 */
                paqfile = m->arg;
        }
}

int
connectembed(void)
{
        int i, p[2];
        Dir *dir;
        char **arg, **argp;

        dir = dirstat("/boot/paqfs");
        if(dir == nil)
                return -1;
        free(dir);

        dir = dirstat(paqfile);
        if(dir == nil || dir->mode & DMDIR)
                return -1;
        free(dir);

        print("paqfs...");
        if(bind("#c", "/dev", MREPL) < 0)
                fatal("bind #c");
        if(bind("#p", "/proc", MREPL) < 0)
                fatal("bind #p");
        if(pipe(p)<0)
                fatal("pipe");
        switch(fork()){
        case -1:
                fatal("fork");
        case 0:
                arg = malloc((bargc+5)*sizeof(char*));
                argp = arg;
                *argp++ = "/boot/paqfs";
                *argp++ = "-iv";
                *argp++ = paqfile;
                for(i=1; i<bargc; i++)
                        *argp++ = bargv[i];
                *argp = 0;

                dup(p[0], 0);
                dup(p[1], 1);
                close(p[0]);
                close(p[1]);
                exec("/boot/paqfs", arg);
                fatal("can't exec paqfs");
        default:
                break;
        }
        waitpid();

        close(p[1]);
        return p[0];
}