/*
* User's entry point.
*/
int main(void) {
/* Initialisations */
printf("dma.c: main()\n");
/* Installs IRQ handler */
#if defined(__TARGET_CPU_CORTEX_M3)
install_handler((handler_t) irq_handler, (uint32_t *) 0x8);
#else /* Assumes --cpu=6 or equivalent */
setup_irq_stack();
install_handler((handler_t) irq_handler, (uint32_t *) 0x18);
#endif
/* Enables IRQ */
__enable_irq();
/* Initialize globals */
end_transfer = 0;
/* Single transfer */
run();
#if defined(USE_WFI)
/* Wait for interrupts */
__wfi();
#endif
exit(EXIT_SUCCESS);
return EXIT_SUCCESS;
}
int kmain(int argc, char** argv, uint32_t table)
{
app_startup(); /* bss is valid after this point */
global_data = table;
/* Add your code here */
unsigned int *user_stack_ptr;
/*
* set up the custom swi ad irq handler by hijacking the existing swi handling
* infrastructure
*/
if(install_handler((unsigned int *)SWI_VECTOR_ADDR, (void *)s_handler) < 0){
printf("\n KERNEL MAIN: installation of custom SWI handler failed");
return 0xbadc0de;
}
if(install_handler((unsigned int *)IRQ_VECTOR_ADDR, (void *)i_handler) < 0){
printf("\n KERNEL MAIN: installation of custom IRQ handler failed");
return 0xbadc0de;
}
/*
* init the IRQ related registers
*/
init_irq_regs();
/*
* setup IRQ stack
*/
setup_irq_stack(irq_stack + IRQ_STACK_SIZE - sizeof(long));
/*
* init the timer driver
*/
init_timer_driver();
/*
* setup the user stack with command line args
*/
user_stack_ptr = setup_user_stack(argc, argv);
/*
* launch the user task
*/
launch_user_app(user_stack_ptr);
/*
* this is the point we will return to during the exit syscall
* from here, we return to uboot
*/
return (get_kernel_r0());
return 0;
}
