/**
* Once we're inside of idleproc_run(), we are executing in the context of the
* first process-- a real context, so we can finally begin running
* meaningful code.
*
* This is the body of process 0. It should initialize all that we didn't
* already initialize in kmain(), launch the init process (initproc_run),
* wait for the init process to exit, then halt the machine.
*
* @param arg1 the first argument (unused)
* @param arg2 the second argument (unused)
*/
static void *
idleproc_run(int arg1, void *arg2)
{
int status;
pid_t child;
/* create init proc */
kthread_t *initthr = initproc_create();
init_call_all();
GDB_CALL_HOOK(initialized);
/* Create other kernel threads (in order) */
#ifdef __VFS__
/* Once you have VFS remember to set the current working directory
* of the idle and init processes */
NOT_YET_IMPLEMENTED("VFS: idleproc_run");
/* Here you need to make the null, zero, and tty devices using mknod */
/* You can't do this until you have VFS, check the include/drivers/dev.h
* file for macros with the device ID's you will need to pass to mknod */
NOT_YET_IMPLEMENTED("VFS: idleproc_run");
#endif
/* Finally, enable interrupts (we want to make sure interrupts
* are enabled AFTER all drivers are initialized) */
intr_enable();
/* Run initproc */
sched_make_runnable(initthr);
/* Now wait for it */
child = do_waitpid(-1, 0, &status);
KASSERT(PID_INIT == child);
#ifdef __MTP__
kthread_reapd_shutdown();
#endif
#ifdef __SHADOWD__
/* wait for shadowd to shutdown */
shadowd_shutdown();
#endif
#ifdef __VFS__
/* Shutdown the vfs: */
dbg_print("weenix: vfs shutdown...\n");
vput(curproc->p_cwd);
if (vfs_shutdown())
panic("vfs shutdown FAILED!!\n");
#endif
/* Shutdown the pframe system */
#ifdef __S5FS__
pframe_shutdown();
#endif
dbg_print("\nweenix: halted cleanly!\n");
GDB_CALL_HOOK(shutdown);
hard_shutdown();
return NULL;
}
/**
* Once we're inside of idleproc_run(), we are executing in the context of the
* first process-- a real context, so we can finally begin running
* meaningful code.
*
* This is the body of process 0. It should initialize all that we didn't
* already initialize in kmain(), launch the init process (initproc_run),
* wait for the init process to exit, then halt the machine.
*
* @param arg1 the first argument (unused)
* @param arg2 the second argument (unused)
*/
static void *
idleproc_run(int arg1, void *arg2)
{
int status;
pid_t child;
/* create init proc */
kthread_t *initthr = initproc_create();
init_call_all();
GDB_CALL_HOOK(initialized);
/* Create other kernel threads (in order) */
/* PROCS BLANK {{{ */
#ifdef __SHADOWD__
/* TODO port this - alvin */
#endif
/* PROCS BLANK }}} */
#ifdef __VFS__
/* Once you have VFS remember to set the current working directory
* of the idle and init processes */
/* PROCS BLANK {{{ */
proc_t *idle = proc_lookup(PID_IDLE);
proc_t *init = proc_lookup(PID_INIT);
KASSERT(NULL != idle);
KASSERT(NULL != init);
idle->p_cwd = vfs_root_vn;
init->p_cwd = vfs_root_vn;
vref(vfs_root_vn);
vref(vfs_root_vn);
/* PROCS BLANK }}} */
/* Here you need to make the null, zero, and tty devices using mknod */
/* You can't do this until you have VFS, check the include/drivers/dev.h
* file for macros with the device ID's you will need to pass to mknod */
/* PROCS BLANK {{{ */
int fd, ii;
char path[32];
struct stat statbuf;
if (do_stat("/dev", &statbuf) < 0) {
KASSERT(!(status = do_mkdir("/dev")));
}
if ((fd = do_open("/dev/null", O_RDONLY)) < 0) {
KASSERT(!(status = do_mknod("/dev/null", S_IFCHR, MEM_NULL_DEVID)));
} else {
do_close(fd);
}
if ((fd = do_open("/dev/zero", O_RDONLY)) < 0) {
KASSERT(!(status = do_mknod("/dev/zero", S_IFCHR, MEM_ZERO_DEVID)));
} else {
do_close(fd);
}
memset(path, '\0', 32);
for (ii = 0; ii < __NTERMS__; ii++) {
sprintf(path, "/dev/tty%d", ii);
dbg(DBG_INIT, "Creating tty mknod with path %s\n", path);
if ((fd = do_open(path, O_RDONLY)) < 0) {
KASSERT(!do_mknod(path, S_IFCHR, MKDEVID(2, ii)));
} else {
do_close(fd);
}
}
for (ii = 0; ii < __NDISKS__; ii++) {
sprintf(path, "/dev/hda%d", ii);
dbg(DBG_INIT, "Creating disk mknod with path %s\n", path);
if ((fd = do_open(path, O_RDONLY)) < 0) {
KASSERT(!do_mknod(path, S_IFBLK, MKDEVID(1, ii)));
} else {
do_close(fd);
}
}
/* PROCS BLANK }}} */
#endif
/* Finally, enable interrupts (we want to make sure interrupts
* are enabled AFTER all drivers are initialized) */
intr_enable();
/* Run initproc */
sched_make_runnable(initthr);
/* Now wait for it */
child = do_waitpid(-1, 0, &status);
KASSERT(PID_INIT == child);
#ifdef __MTP__
kthread_reapd_shutdown();
#endif
#ifdef __SHADOWD__
/* wait for shadowd to shutdown */
shadowd_shutdown();
#endif
#ifdef __VFS__
/* Shutdown the vfs: */
dbg_print("weenix: vfs shutdown...\n");
vput(curproc->p_cwd);
if (vfs_shutdown())
panic("vfs shutdown FAILED!!\n");
#endif
/* Shutdown the pframe system */
#ifdef __S5FS__
pframe_shutdown();
#endif
dbg_print("\nweenix: halted cleanly!\n");
GDB_CALL_HOOK(shutdown);
hard_shutdown();
return NULL;
}