nn-usb-fpga/lm32/logic/sakc/firmware/loader_cain/main.c

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */


#include "soc-hw.h"
#define RAM_BASE   0x1000

unsigned int i, j,k; // Loop counter.	


int main() {
    int key, len, autoboot = 1, dispmenu = 1;

   uart_init();
   uart_putstr("Cain's bootloader!!! \n");

  while(1){ /* loop forever until u-boot gets booted or the board is reset */
    if(dispmenu){
     uart_putstr("\n1: Upload program to RAM\n");
//      uart_putstr("2: Upload u-boot to Dataflash\n");
//      uart_putstr("3: Upload Kernel to Dataflash\n");
//      uart_putstr("4: Start u-boot\n");
//      uart_putstr("5: Upload Filesystem image\n");
//      uart_putstr("6: Memory test\n");
      dispmenu = 0;
    }
      key = uart_getchar();
      autoboot = 0;

    if(key == '1'){
      len = rxmodem((char *)0x1000);
      uart_putstr("Received ");
      hexprint(len);
      uart_putstr(" bytes\n");
      jump(RAM_BASE);
//      dispmenu = 1;
    }
    else if(key == '2'){
      dispmenu = 1;
    }
    else{
      uart_putstr("Invalid input\n");
      dispmenu = 1;
    }
  }


    while(1){ asm("nop;"); } 
    
    
   return (0);


}