arch/arm7tdmi/mach-lpc21xx/crt.c

   1 /* Author: Domen Puncer <domen@cba.si>.  License: WTFPL, see file LICENSE */
   2 #include <compiler.h>
   3
   4 // XXX needs to be compiled with -marm
   5
   6 void undefined_handler() __alias(dummy_handler);
   7 void swi_handler() __alias(dummy_handler);
   8 void dabort_handler() __alias(dummy_handler);
   9 void pabort_handler() __alias(dummy_handler);
  10 void fiq_handler() __alias(dummy_handler);
  11
  12
  13 void __naked dummy_handler()
  14 {
  15         asm volatile (  "b      generic_exception_handler\n\t");
  16 }
  17
  18 __attribute__ ((section(".vectors"))) void __naked _vectors()
  19 {
  20         asm volatile (
  21                         "ldr    pc, =reset_handler\n"
  22                         "ldr    pc, =undefined_handler\n"
  23                         "ldr    pc, =swi_handler\n"
  24                         "ldr    pc, =pabort_handler\n"
  25                         "ldr    pc, =dabort_handler\n"
  26                         ".word  0\n" /* checksum */
  27                         "ldr    pc, [pc, #-0xff0]\n" /* VIC, 0xfffff030 */
  28                         "ldr    pc, =fiq_handler\n"
  29         );
  30 }