testing/examples/cortex/test.c

   1 /* simple app.
   2
   3 modify test.ld to change address.
   4
   5 Even if the app is position independent, the symbols
   6 need to match to test basic debugging.
   7
   8 To load the app to 0x20000000 in GDB, use:
   9
  10 load a.out
  11 monitor reg sp 0x20004000
  12 monitor reg pc 0x20002000
  13 stepi
  14
  15 arm-elf-gcc -mthumb -mcpu=cortex-m3 -nostdlib -Ttest.ld test.c
  16
  17
  18 */
  19 int j;
  20 void _start()
  21 {
  22   int i;
  23   for (i=0; i<1000; i++)
  24     {
  25       j++;
  26     }
  27 }