LXR linux/arch/mips/kernel/smp-up.c

   1/*
   2 * This file is subject to the terms and conditions of the GNU General Public
   3 * License.  See the file "COPYING" in the main directory of this archive
   4 * for more details.
   5 *
   6 * Copyright (C) 2006, 07 by Ralf Baechle (ralf@linux-mips.org)
   7 *
   8 * Symmetric Uniprocessor (TM) Support
   9 */
  10#include <linux/kernel.h>
  11#include <linux/sched.h>
  12
  13/*
  14 * Send inter-processor interrupt
  15 */
  16static void up_send_ipi_single(int cpu, unsigned int action)
  17{
  18        panic(KERN_ERR "%s called", __func__);
  19}
  20
  21static inline void up_send_ipi_mask(cpumask_t mask, unsigned int action)
  22{
  23        panic(KERN_ERR "%s called", __func__);
  24}
  25
  26/*
  27 *  After we've done initial boot, this function is called to allow the
  28 *  board code to clean up state, if needed
  29 */
  30static void __cpuinit up_init_secondary(void)
  31{
  32}
  33
  34static void __cpuinit up_smp_finish(void)
  35{
  36}
  37
  38/* Hook for after all CPUs are online */
  39static void up_cpus_done(void)
  40{
  41}
  42
  43/*
  44 * Firmware CPU startup hook
  45 */
  46static void __cpuinit up_boot_secondary(int cpu, struct task_struct *idle)
  47{
  48}
  49
  50static void __init up_smp_setup(void)
  51{
  52}
  53
  54static void __init up_prepare_cpus(unsigned int max_cpus)
  55{
  56}
  57
  58struct plat_smp_ops up_smp_ops = {
  59        .send_ipi_single        = up_send_ipi_single,
  60        .send_ipi_mask          = up_send_ipi_mask,
  61        .init_secondary         = up_init_secondary,
  62        .smp_finish             = up_smp_finish,
  63        .cpus_done              = up_cpus_done,
  64        .boot_secondary         = up_boot_secondary,
  65        .smp_setup              = up_smp_setup,
  66        .prepare_cpus           = up_prepare_cpus,
  67};
  68