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#include "common.h"
#include <ddekit/initcall.h>
#include <ddekit/minix/msg_queue.h>
#include <ddekit/panic.h>
#include <ddekit/pci.h>
#include <ddekit/semaphore.h>
#include <ddekit/timer.h>
#include <signal.h>
#include "debug.h"
#include "timer.h" /* _ddekit_timer_interrupt() */
#include "thread.h" /* _ddekit_thread_set_myprio() */
#include "irq.h"
static ddekit_sem_t *exit_sem;
unsigned long long jiffies;
void ddekit_pgtab_init(void);
static ddekit_thread_t *dispatch_th = 0;
static void dispatcher_thread(void * unused);
static void ddekit_dispatcher_thread_init(void);
/****************************************************************************/
/* dispatcher_thread */
/****************************************************************************/
static void dispatcher_thread(void *unused) {
/*
* Gets all messages and dispatches them.
*
* NOTE: this thread runs only when no other ddekit is
* ready. So please take care that youre threads
* leave some time for the others!
*/
message m;
int r;
int i;
int ipc_status;
_ddekit_thread_set_myprio(0);
for( ; ; ) {
/* Trigger a timer interrupt at each loop iteration */
_ddekit_timer_update();
/* Wait for messages */
if ((r = sef_receive_status(ANY, &m, &ipc_status)) != 0) {
ddekit_panic("ddekit", "sef_receive failed", r);
}
_ddekit_timer_interrupt();
_ddekit_thread_wakeup_sleeping();
if (is_notify(m.m_type)) {
switch (_ENDPOINT_P(m.m_source)) {
case HARDWARE:
for (i =0 ; i < 32 ; i++)
{
if(m.m_notify.interrupts & (1 << i))
{
_ddekit_interrupt_trigger(i);
}
}
break;
case CLOCK:
_ddekit_timer_pending = 0;
break;
default:
ddekit_thread_schedule();
}
} else {
/*
* I don't know how to handle this msg,
* but maybe we have a msg queue which can
* handle this msg.
*/
ddekit_minix_queue_msg(&m, ipc_status);
}
}
}
/****************************************************************************/
/* ddekit_dispatcher_thread_init */
/****************************************************************************/
static void ddekit_dispatcher_thread_init()
{
dispatch_th = ddekit_thread_create(dispatcher_thread, NULL, "dispatch");
ddekit_thread_schedule();
}
/****************************************************************************/
/* ddekit_init */
/****************************************************************************/
void ddekit_init(void)
{
sef_startup();
ddekit_pgtab_init();
ddekit_init_threads();
ddekit_init_irqs();
ddekit_init_timers();
ddekit_dispatcher_thread_init();
exit_sem = ddekit_sem_init(0);
}
/****************************************************************************/
/* dispatcher_shutdown */
/****************************************************************************/
void ddekit_shutdown()
{
ddekit_sem_up(exit_sem);
}
/****************************************************************************/
/* ddekit_minix_wait_exit */
/****************************************************************************/
void ddekit_minix_wait_exit(void)
{
ddekit_sem_down(exit_sem);
}
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