int kmain( void )
{
struct pcb_s* process_screen_right_pcb;
struct pcb_s* process_screen_top_left_pcb;
struct pcb_s* process_screen_bottom_left_pcb;
FramebufferInitialize();
sched_init();
process_screen_right_pcb = sys_create_process((func_t*)&process_screen_right, 18);
process_screen_top_left_pcb = sys_create_process((func_t*)&process_screen_top_left, 20);
process_screen_bottom_left_pcb = sys_create_process((func_t*)&process_screen_bottom_left, 20);
// ******************************************
// switch CPU to USER mode
// ******************************************
ENABLE_IRQ();
__asm("cps 0x10");
// USER Program
// ******************************************
//On attend la terminaison de notre processus.
sys_wait(process_screen_right_pcb);
sys_wait(process_screen_top_left_pcb);
sys_wait(process_screen_bottom_left_pcb);
return 0;
}
int main(int argc, char const *argv[]) {
rpiInit();
FramebufferInitialize();
_init_vector_table();
// disable IRQ
*INTERRUPT_DISABLE_BASIC_IRQS = 0xffffffff;
*INTERRUPT_DISABLE_IRQS1 = 0xffffffff;
*INTERRUPT_DISABLE_IRQS2 = 0xffffffff;
*INTERRUPT_FIQ_CTRL = 0; // 20c
_disable_IRQ();
// set Timer Interrupt
*INTERRUPT_ENABLE_BASIC_IRQS = 0x01;
// stop timer
*TIMER_CONTROL &= 0xffffff00;
// set timer clock -> 1MHz
//（0xF9=249: timer clock=250MHz/(249+1)）
*TIMER_PREDIVIDER = 0x000000F9;
// Timer (100 msec)
*TIMER_LOAD = 100000 - 1;
*TIMER_RELOAD = 100000 - 1;
// clear IRQ flag
*TIMER_IRQ_CLR = 0;
// start timer
*TIMER_CONTROL |= 0x000000A2;
// enable interrupts
*INTERRUPT_ENABLE_BASIC_IRQS = 0x01;
// enable IRQ
_enable_IRQ();
while (true) {
_disable_IRQ();
if (true == g_interrupt) {
g_interrupt = false;
_enable_IRQ();
redraw();
} else {
_enable_IRQ();
}
}
return 0;
}
void kmain( void )
{
FramebufferInitialize();
sched_init(COLLABORATIVE);
int p = 5;
for(int i=0;i<5000000;i++) {
p = (p*p)%27;
}
create_process((func_t*)&user_process1);
create_process((func_t*)&user_process2);
create_process((func_t*)&user_process3);
__asm("cps 0x10"); // switch CPU to USER mode
sys_exit(0);
}
