include/asm-arm/arch-arc/system.h

   1 /*
   2  * linux/include/asm-arm/arch-arc/system.h
   3  *
   4  * Copyright (c) 1996 Russell King and Dave Gilbert
   5  */
   6 #ifndef __ASM_ARCH_SYSTEM_H
   7 #define __ASM_ARCH_SYSTEM_H
   8
   9 #include <linux/config.h>
  10
  11 #ifdef CONFIG_ARCH_ARC
  12
  13 #define cliIF()                         \
  14         do {                            \
  15           unsigned long temp;           \
  16           __asm__ __volatile__(         \
  17 "       mov     %0, pc\n"               \
  18 "       orr %0, %0, #0x0c000000\n"      \
  19 "       teqp    %0, #0\n"               \
  20           : "=r" (temp) \
  21     : );        \
  22   } while(0)
  23
  24 #endif
  25
  26 extern __inline__ void arch_reset(char mode)
  27 {
  28         extern void ecard_reset(int card);
  29
  30         /*
  31          * Do any cleanups that the processor may require
  32          */
  33         cpu_proc_fin();
  34
  35         /*
  36          * Reset all expansion cards.
  37          */
  38         ecard_reset(-1);
  39
  40         /*
  41          * copy branch instruction to reset location and call it
  42          */
  43         *(unsigned long *)0 = *(unsigned long *)0x03800000;
  44         ((void(*)(void))0)();
  45 }
  46
  47 #endif