root/arch/sparc/kernel/c_mp.c

/* */

DEFINITIONS

1. sparc_cpu_init
2. sparc_cpu_idle

   1 /* $Id: c_mp.c,v 1.3 1995/11/25 00:57:50 davem Exp $
   2  * mp.c:  SMP cpu idling and dispatch on the Sparc.
   3  *
   4  * Copyright (C) 1995 David S. Miller
   5  */
   6 
   7 #include <linux/kernel.h>
   8 
   9 #include <asm/mp.h>
  10 #include <asm/mbus.h>
  11 
  12 struct sparc_percpu *percpu_table;
  13 
  14 void
  15 sparc_cpu_init(void)
     /*  */
  16 {
  17         /* We now have our per-cpu mappings ok, and we should
  18          * be good to go.
  19          */
  20 
  21         /* Do cache crap here. */
  22 
  23         /* CPU initted, idle the puppy. */
  24 
  25         return;
  26 }
  27 
  28 extern thiscpus_mid;
  29 
  30 void
  31 sparc_cpu_idle(void)
     /*  */
  32 {
  33         int cpuid;
  34 
  35 /*      cpuid = get_cpuid(); */
  36         cpuid = (thiscpus_mid&(~8));
  37 /*      printk("SMP: cpu%d has entered idle loop", cpuid); */
  38 
  39         /* Say that we exist and set up. */
  40         percpu_table[cpuid].cpuid = cpuid;
  41         percpu_table[cpuid].cpu_is_alive = 0x1;
  42         percpu_table[cpuid].cpu_is_idling = 0x1;
  43 
  44         /* Let other cpus catch up. */
  45         while(linux_smp_still_initting) ;
  46         printk("cpu%d done spinning\n", get_cpuid());
  47         for(;;) ;  /* Do something useful here... */
  48 
  49         return;
  50 }       

/* */