| Line 863... |
Line 863... |
*/
|
*/
|
|
|
int cpu_idle(void *unused)
|
int cpu_idle(void *unused)
|
{
|
{
|
for(;;) {
|
for(;;) {
|
printk("%s - %s:%d \n",__FILE__,__FUNCTION__,__LINE__);
|
|
idle();
|
idle();
|
}
|
}
|
}
|
}
|
|
|
#else
|
#else
|
| Line 957... |
Line 956... |
char * command_line;
|
char * command_line;
|
|
|
/*
|
/*
|
* This little check will move.
|
* This little check will move.
|
*/
|
*/
|
|
|
#ifdef __SMP__
|
#ifdef __SMP__
|
static int first_cpu=1;
|
static int first_cpu=1;
|
|
|
if(!first_cpu)
|
if(!first_cpu)
|
start_secondary();
|
start_secondary();
|
| Line 1030... |
Line 1028... |
|
|
#if defined(CONFIG_MTRR) && defined(__SMP__)
|
#if defined(CONFIG_MTRR) && defined(__SMP__)
|
init_mtrr_config();
|
init_mtrr_config();
|
#endif
|
#endif
|
|
|
printk("main11\n");
|
|
printk(linux_banner);
|
printk(linux_banner);
|
#ifdef __SMP__
|
#ifdef __SMP__
|
smp_init();
|
smp_init();
|
#endif
|
#endif
|
sysctl_init();
|
sysctl_init();
|
| Line 1042... |
Line 1039... |
* We count on the initial thread going ok
|
* We count on the initial thread going ok
|
* Like idlers init is an unlocked kernel thread, which will
|
* Like idlers init is an unlocked kernel thread, which will
|
* make syscalls (and thus be locked).
|
* make syscalls (and thus be locked).
|
*/
|
*/
|
kernel_thread(init, NULL, 0);
|
kernel_thread(init, NULL, 0);
|
printk("main12 end\n");
|
|
/*
|
/*
|
* task[0] is meant to be used as an "idle" task: it may not sleep, but
|
* task[0] is meant to be used as an "idle" task: it may not sleep, but
|
* it might do some general things like count free pages or it could be
|
* it might do some general things like count free pages or it could be
|
* used to implement a reasonable LRU algorithm for the paging routines:
|
* used to implement a reasonable LRU algorithm for the paging routines:
|
* anything that can be useful, but shouldn't take time from the real
|
* anything that can be useful, but shouldn't take time from the real
|
| Line 1078... |
Line 1075... |
|
|
static int do_shell(void * shell)
|
static int do_shell(void * shell)
|
{
|
{
|
close(0);close(1);close(2);
|
close(0);close(1);close(2);
|
setsid();
|
setsid();
|
printk("%s - %s:%d \n",__FILE__,__FUNCTION__,__LINE__);
|
|
if ((int)(open("/dev/tty1",O_RDWR,0) < 0) &&
|
if ((int)(open("/dev/tty1",O_RDWR,0) < 0) &&
|
(int)(open("/dev/ttyS0",O_RDWR,0) < 0))
|
(int)(open("/dev/ttyS0",O_RDWR,0) < 0))
|
printk("Unable to open an initial console for do_shell.\n");
|
printk("Unable to open an initial console for do_shell.\n");
|
printk("%s - %s:%d \n",__FILE__,__FUNCTION__,__LINE__);
|
|
(void) dup(0);
|
(void) dup(0);
|
(void) dup(0);
|
(void) dup(0);
|
return execve(shell, argv, envp);
|
return execve(shell, argv, envp);
|
}
|
}
|
|
|
#ifdef CONFIG_BLK_DEV_INITRD
|
#ifdef CONFIG_BLK_DEV_INITRD
|
static int do_linuxrc(void * shell)
|
static int do_linuxrc(void * shell)
|
{
|
{
|
static char *argv[] = { "linuxrc", NULL, };
|
static char *argv[] = { "linuxrc", NULL, };
|
printk("do_linuxrc1\n");
|
|
close(0);close(1);close(2);
|
close(0);close(1);close(2);
|
printk("do_linuxrc2\n");
|
|
setsid();
|
setsid();
|
printk("do_linuxrc3\n");
|
|
(void) open("/dev/tty1",O_RDWR,0);
|
(void) open("/dev/tty1",O_RDWR,0);
|
printk("do_linuxrc4\n");
|
|
(void) dup(0);
|
(void) dup(0);
|
(void) dup(0);
|
(void) dup(0);
|
printk("do_linuxrc5\n");
|
|
return execve(shell, argv, envp_init);
|
return execve(shell, argv, envp_init);
|
}
|
}
|
|
|
static void no_initrd(char *s,int *ints)
|
static void no_initrd(char *s,int *ints)
|
{
|
{
|
| Line 1113... |
Line 1104... |
}
|
}
|
#endif
|
#endif
|
|
|
static int init(void * unused)
|
static int init(void * unused)
|
{
|
{
|
int pid,i,fd1,fd2;
|
int pid,i;
|
#ifdef CONFIG_BLK_DEV_INITRD
|
#ifdef CONFIG_BLK_DEV_INITRD
|
int real_root_mountflags;
|
int real_root_mountflags;
|
#endif
|
#endif
|
#ifdef CONFIG_COLDFIRE
|
#ifdef CONFIG_COLDFIRE
|
extern char console_device[];
|
extern char console_device[];
|
#endif
|
#endif
|
printk("\ninit1\n");
|
|
/* Launch bdflush from here, instead of the old syscall way. */
|
/* Launch bdflush from here, instead of the old syscall way. */
|
kernel_thread(bdflush, NULL, 0);
|
kernel_thread(bdflush, NULL, 0);
|
printk("\ninit2\n");
|
|
/* Start the background pageout daemon. */
|
/* Start the background pageout daemon. */
|
#ifndef NO_MM
|
#ifndef NO_MM
|
kswapd_setup();
|
kswapd_setup();
|
kernel_thread(kswapd, NULL, 0);
|
kernel_thread(kswapd, NULL, 0);
|
#endif /* !NO_MM */
|
#endif /* !NO_MM */
|
| Line 1178... |
Line 1167... |
|
|
#ifdef CONFIG_BLK_DEV_INITRD
|
#ifdef CONFIG_BLK_DEV_INITRD
|
root_mountflags = real_root_mountflags;
|
root_mountflags = real_root_mountflags;
|
if (mount_initrd && ROOT_DEV != real_root_dev && ROOT_DEV == MKDEV(RAMDISK_MAJOR,0)) {
|
if (mount_initrd && ROOT_DEV != real_root_dev && ROOT_DEV == MKDEV(RAMDISK_MAJOR,0)) {
|
int error;
|
int error;
|
/* SIMON */
|
|
printk("init3\n");
|
|
if ((open("/dev/tty1",O_RDWR,0) < 0) &&
|
if ((open("/dev/tty1",O_RDWR,0) < 0) &&
|
(open("/dev/ttyS0",O_RDWR,0) < 0))
|
(open("/dev/ttyS0",O_RDWR,0) < 0))
|
printk("Unable to open an initial console.\n");
|
printk("Unable to open an initial console.\n");
|
|
|
printk("init4\n");
|
|
|
|
pid = kernel_thread(do_linuxrc, "/linuxrc", SIGCHLD);
|
pid = kernel_thread(do_linuxrc, "/linuxrc", SIGCHLD);
|
printk("init5\n");
|
|
if (pid>0)
|
if (pid>0)
|
while (pid != wait(&i));
|
while (pid != wait(&i));
|
printk("init6\n");
|
|
if (real_root_dev != MKDEV(RAMDISK_MAJOR, 0)) {
|
if (real_root_dev != MKDEV(RAMDISK_MAJOR, 0)) {
|
error = change_root(real_root_dev,"/initrd");
|
error = change_root(real_root_dev,"/initrd");
|
if (error)
|
if (error)
|
printk(KERN_ERR "Change root to /initrd: "
|
printk(KERN_ERR "Change root to /initrd: "
|
"error %d\n",error);
|
"error %d\n",error);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
printk("init7\n");
|
|
/*
|
/*
|
* This keeps serial console MUCH cleaner, but does assume
|
* This keeps serial console MUCH cleaner, but does assume
|
* the console driver checks there really is a video device
|
* the console driver checks there really is a video device
|
* attached (Sparc effectively does).
|
* attached (Sparc effectively does).
|
*/
|
*/
|
#ifdef CONFIG_COLDFIRE
|
#ifdef CONFIG_COLDFIRE
|
if (console_device[0] && (open(console_device,O_RDWR,0) >= 0)) {
|
if (console_device[0] && (open(console_device,O_RDWR,0) >= 0)) {
|
/* Nothing */;
|
/* Nothing */;
|
} else
|
} else
|
#endif /* CONFIG_COLDFIRE */
|
#endif /* CONFIG_COLDFIRE */
|
/* if ((open("/dev/tty1",O_RDWR,0) < 0) &&
|
if ((open("/dev/tty1",O_RDWR,0) < 0) &&
|
(open("/dev/ttyS0",O_RDWR,0) < 0))
|
(open("/dev/ttyS0",O_RDWR,0) < 0))
|
printk("Unable to open an initial console.\n");
|
printk("Unable to open an initial console.\n");
|
*/
|
|
fd1 = open("/dev/tty",O_RDWR,0);
|
|
printk("open /dev/tty fd = %x\n", fd1);
|
|
write(fd1, (void *)"Hello world 1!", 13);
|
|
|
|
fd2 = open("/dev/ttyS0",O_RDWR,0);
|
|
printk("open /dev/ttyS0 fd = %x\n", fd2);
|
|
/*write(fd2, (void *)"Hello world 2!", 13);
|
|
*/
|
|
printk("init8\n");
|
|
|
|
(void) dup(0);
|
(void) dup(0);
|
(void) dup(0);
|
(void) dup(0);
|
|
|
printk("init9\n");
|
|
|
|
printf("Executing sash\n");
|
printf("Executing sash\n");
|
|
|
execve("/bin/sash",argv_init,envp_init);
|
execve("/bin/sash",argv_init,envp_init);
|
|
|
printk("init10\n");
|
|
|
|
if (!execute_command) {
|
if (!execute_command) {
|
execve("/etc/init",argv_init,envp_init);
|
execve("/etc/init",argv_init,envp_init);
|
execve("/bin/init",argv_init,envp_init);
|
execve("/bin/init",argv_init,envp_init);
|
execve("/sbin/init",argv_init,envp_init);
|
execve("/sbin/init",argv_init,envp_init);
|
/* if this fails, fall through to original stuff */
|
/* if this fails, fall through to original stuff */
|
