void user_init(void) {
#else
void app_main(void) {
#endif
_sys_init();
#if LED_ACT
// Init leds
gpio_pin_output(LED_ACT);
gpio_pin_clr(LED_ACT);
#endif
pthread_attr_t attr;
pthread_t thread;
int res;
debug_free_mem_begin(lua_main_thread);
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, luaTaskStack);
res = pthread_create(&thread, &attr, lua_start, NULL);
if (res) {
panic("Cannot start lua");
}
debug_free_mem_end(lua_main_thread, NULL);
}
void _init( void ) {
pcb_t *pcb;
/*
** BOILERPLATE CODE - taken from basic framework
**
** Initialize interrupt stuff.
*/
__init_interrupts(); // IDT and PIC initialization
// Ignore the 0x2A interrupt which happens when removing or inserting a
// flash drive.
__install_isr( 0x2A, _ignore_isr );
/*
** Console I/O system.
*/
c_io_init();
c_clearscreen();
#ifdef ISR_DEBUGGING_CODE
c_setscroll( 0, 7, 99, 99 );
c_puts_at( 0, 6, "================================================================================" );
#endif
/*
** 20123-SPECIFIC CODE STARTS HERE
*/
/*
** Initialize various OS modules
**
** Note: the clock, SIO, and syscall modules also install
** their ISRs.
*/
c_puts( "Module init: " );
_q_init(); // must be first
_pcb_init();
_stack_init();
_sio_init();
_sys_init();
_sched_init();
_clock_init();
_pci_init();
_disk_init();
_net_init();
c_puts( "\n" );
c_puts("Launching the shell. Please be patient\n");
__delay(1000);
c_clearscreen();
/*
** Create the initial system ESP
**
** This will be the address of the next-to-last
** longword in the system stack.
*/
_system_esp = ((uint32_t *) ( (&_system_stack) + 1)) - 2;
/*
** Create the initial process
**
** Code mostly stolen from _sys_fork(); if that routine
** changes, SO MUST THIS!!!
*/
// allocate a PCB and stack
pcb = _create_process( NULL );
if( pcb == NULL ) {
_kpanic( "_init", "init() creation failed", FAILURE );
}
// initialize the stack with the standard context
pcb->context = _create_stack( pcb->stack );
if( pcb->context == NULL ) {
_kpanic( "_init", "init() stack setup failed", FAILURE );
}
// define the entry point for init()
pcb->context->eip = (uint32_t) init;
// set up various PCB fields
pcb->pid = pcb->ppid = PID_INIT; // next PID is initially 1
pcb->prio = PRIO_HIGH;
pcb->children = 1000;
// remember this PCB for use in reparenting orphan processes
_init_pcb = pcb;
// make it the first process
_schedule( pcb );
_dispatch();
/*
** Turn on the SIO receiver (the transmitter will be turned
** on/off as characters are being sent)
*/
_sio_enable( SIO_RX );
/*
** END OF 20123-SPECIFIC CODE
**
** Finally, report that we're all done.
*/
c_puts( "System initialization complete.\n" );
}
