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/*
* Project: S.Ha.R.K
*
* Coordinators: Giorgio Buttazzo <giorgio@sssup.it>
*
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
*
* http://www.sssup.it
* http://retis.sssup.it
* http://hartik.sssup.it
*/
#include "kernel/kern.h"
#include "edf/edf/edf.h"
#include "hardcbs/hardcbs/hardcbs.h"
#include "rr/rr/rr.h"
#include "dummy/dummy/dummy.h"
#include "intdrive/intdrive/intdrive.h"
#include "sem/sem/sem.h"
#include "hartport/hartport/hartport.h"
#include "drivers/shark_linuxc26.h"
#include "drivers/shark_pci26.h"
/*+ sysyem tick in us +*/
#define TICK 0
/*+ RR tick in us +*/
#define RRTICK 10000
/*+ Interrupt Server +*/
#define INTDRIVE_Q 1000
#define INTDRIVE_U 1000
#define INTDRIVE_FLAG 0
void call_shutdown_task
(void *arg
);
int device_drivers_init
();
int device_drivers_close
();
void set_shutdown_task
();
TASK shutdown_task_body
(void *arg
);
PID shutdown_task_PID
= -1;
TIME __kernel_register_levels__
(void *arg
)
{
struct multiboot_info
*mb
= (struct multiboot_info
*)arg
;
INTDRIVE_register_level
(INTDRIVE_Q
, INTDRIVE_Q
, INTDRIVE_U
, INTDRIVE_FLAG
);
EDF_register_level
(EDF_ENABLE_ALL
);
HCBS_register_level
(HCBS_ENABLE_ALL
, 1);
RR_register_level
(RRTICK
, RR_MAIN_YES
, mb
);
dummy_register_level
();
SEM_register_module
();
return TICK
;
}
TASK __init__
(void *arg
)
{
struct multiboot_info
*mb
= (struct multiboot_info
*)arg
;
HARTPORT_init
();
set_shutdown_task
();
device_drivers_init
();
sys_atrunlevel
(call_shutdown_task
, NULL
, RUNLEVEL_SHUTDOWN
);
__call_main__
(mb
);
return (void *)0;
}
void set_shutdown_task
() {
NRT_TASK_MODEL nrt
;
nrt_task_default_model
(nrt
);
nrt_task_def_system
(nrt
);
shutdown_task_PID
= task_create
("Shutdown Task",shutdown_task_body
,&nrt
,NULL
);
if (shutdown_task_PID
== NIL
) {
sys_shutdown_message
("Error: Cannot create shutdown task\n");
exit(1);
}
}
int device_drivers_init
() {
LINUXC26_register_module
(TRUE
);
PCI26_init
();
return 0;
}
int device_drivers_close
() {
return 0;
}
TASK shutdown_task_body
(void *arg
) {
device_drivers_close
();
sys_shutdown_message
("-- S.Ha.R.K. Closed --\n");
return NULL
;
}
#define SHUTDOWN_TIMEOUT_SEC 3
void call_shutdown_task
(void *arg
) {
struct timespec t
;
sys_gettime
(&t
);
t.
tv_sec += SHUTDOWN_TIMEOUT_SEC
;
kern_event_post
(&t
,(void *)((void *)sys_abort_shutdown
),(void *)0);
task_activate
(shutdown_task_PID
);
}