void main_task(void){
int i;
fm_time_tick begin = get_system_ticks(), end;
while(step < SWITCH_ROUNDS){
for(i = 0; i < TEST_TASK_NUM; ++i){
fm_thread_resume(&thread[i]);
}
step++;
}
end = get_system_ticks();
fm_printf("Time consume: %d\r\n", end - begin);
}
/**
* This function handles most interrupts by finding out the interrupt #
* and calling the appropriate handler functions
*
* @param ptr_to_stack Pointer to top of stack
*/
void main_interrupt_handler(uint ptr_to_stack)
{
struct handler_stack_frame* frame = (struct handler_stack_frame*)&ptr_to_stack;
if (frame->interrupt_number)
{
klprintf(15, "Handling interrupt #%d, ticks=%d", frame->interrupt_number, get_system_ticks());
switch(frame->interrupt_number)
{
case DIVIDE_ERROR: case DEBUG_EXCEPTION: case NMI_HARDWARE: case DEBUG_BREAKPOINT:
case INSTRUCTION_OVERFLOW: case INSTRUCTION_OVERRANGE: case INVALID_OPCODE: case NO_COPROCESSOR:
case DOUBLE_FAULT: case COPROCESSOR_SEG_OVERRUN: case INVALID_TSS: case SEGMENT_NOT_PRESENT:
case STACK_FAULT: case GENERAL_PROTECTION_FAULT: case PAGE_FAULT: case RESERVED15: case COPROCESSOR_ERROR:
case ALIGNMENT_CHECK: case MACHINE_CHECK:
kernel_error(frame->interrupt_number, frame->stck_frame.eip, frame->stck_frame.esp,
frame->eax, frame->ebx, frame->ecx, frame->edx, frame->edi, frame->esi);
break;
case TIMER_IRQ:
timer_interrupt_handler();
break;
case SYSTEM_CALL:
system_call( frame );
break;
}
}
}
/**
* The actual handler for a timer event generated by the 8524 interrupt
* timer
*/
void timer_interrupt_handler()
{
ulong temp = inc_system_ticks();
//Check sleeping tasks
check_sleeping_tasks(temp);
if (temp > last_do_tick)
{
last_do_tick = get_system_ticks();
schedule();
}
//Signal the end of interrupt
outb(0x20, 0x20);
//Enable interrupts
enable();
}
void user3(void){
int i;
fm_timer_handler timeout_timer = fm_timer_request(10000, time_out_set);
fm_timer_start(timeout_timer);
begin = get_system_ticks();
for(i = 0; i < TEST_TIMER_NUMBER; ++i){
timers[i] = fm_timer_request((i+1) * 100, user3_set_state);
fm_assert(timers[i] != fm_mem_nullptr, "NULLPTR\r\n");
}
fm_timer_pause(timeout_timer);
for(i = 0; i < TEST_TIMER_NUMBER; ++i){
fm_timer_start(timers[i]);
while(!user3_state){}
fm_puts("User3");
fm_timer_release(timers[i]);
user3_state = 0;
}
fm_timer_resume(timeout_timer);
fm_puts("User3 end!");
}
void time_out_set(void){
fm_puts("Time out!!!");
total = get_system_ticks() - begin;
fm_printf("total: %d\r\n", total);
}
