x86_64: prepare shared kernel/reboot.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 171 deletions

diff --git a/arch/x86_64/kernel/reboot.c b/arch/x86_64/kernel/reboot.c
deleted file mode 100644
index 368db2b9c5ac..000000000000
--- a/arch/x86_64/kernel/reboot.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/* Various gunk just to reboot the machine. */ 
-#include <linux/module.h>
-#include <linux/reboot.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-#include <linux/kernel.h>
-#include <linux/ctype.h>
-#include <linux/string.h>
-#include <linux/pm.h>
-#include <linux/kdebug.h>
-#include <linux/sched.h>
-#include <asm/io.h>
-#include <asm/delay.h>
-#include <asm/hw_irq.h>
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/tlbflush.h>
-#include <asm/apic.h>
-#include <asm/iommu.h>
-
-/*
- * Power off function, if any
- */
-void (*pm_power_off)(void);
-EXPORT_SYMBOL(pm_power_off);
-
-static long no_idt[3];
-static enum { 
-        BOOT_TRIPLE = 't',
-        BOOT_KBD = 'k'
-} reboot_type = BOOT_KBD;
-static int reboot_mode = 0;
-int reboot_force;
-
-/* reboot=t[riple] | k[bd] [, [w]arm | [c]old]
-   warm   Don't set the cold reboot flag
-   cold   Set the cold reboot flag
-   triple Force a triple fault (init)
-   kbd    Use the keyboard controller. cold reset (default)
-   force  Avoid anything that could hang.
- */ 
-static int __init reboot_setup(char *str)
-{
-        for (;;) {
-                switch (*str) {
-                case 'w': 
-                        reboot_mode = 0x1234;
-                        break;
-
-                case 'c':
-                        reboot_mode = 0;
-                        break;
-
-                case 't':
-                case 'b':
-                case 'k':
-                        reboot_type = *str;
-                        break;
-                case 'f':
-                        reboot_force = 1;
-                        break;
-                }
-                if((str = strchr(str,',')) != NULL)
-                        str++;
-                else
-                        break;
-        }
-        return 1;
-}
-
-__setup("reboot=", reboot_setup);
-
-static inline void kb_wait(void)
-{
-        int i;
-
-        for (i=0; i<0x10000; i++)
-                if ((inb_p(0x64) & 0x02) == 0)
-                        break;
-}
-
-void machine_shutdown(void)
-{
-        unsigned long flags;
-
-        /* Stop the cpus and apics */
-#ifdef CONFIG_SMP
-        int reboot_cpu_id;
-
-        /* The boot cpu is always logical cpu 0 */
-        reboot_cpu_id = 0;
-
-        /* Make certain the cpu I'm about to reboot on is online */
-        if (!cpu_isset(reboot_cpu_id, cpu_online_map)) {
-                reboot_cpu_id = smp_processor_id();
-        }
-
-        /* Make certain I only run on the appropriate processor */
-        set_cpus_allowed(current, cpumask_of_cpu(reboot_cpu_id));
-
-        /* O.K Now that I'm on the appropriate processor,
-         * stop all of the others.
-         */
-        smp_send_stop();
-#endif
-
-        local_irq_save(flags);
-
-#ifndef CONFIG_SMP
-        disable_local_APIC();
-#endif
-
-        disable_IO_APIC();
-
-        local_irq_restore(flags);
-
-        pci_iommu_shutdown();
-}
-
-void machine_emergency_restart(void)
-{
-        int i;
-
-        /* Tell the BIOS if we want cold or warm reboot */
-        *((unsigned short *)__va(0x472)) = reboot_mode;
-       
-        for (;;) {
-                /* Could also try the reset bit in the Hammer NB */
-                switch (reboot_type) { 
-                case BOOT_KBD:
-                for (i=0; i<10; i++) {
-                        kb_wait();
-                        udelay(50);
-                        outb(0xfe,0x64);         /* pulse reset low */
-                        udelay(50);
-                }
-
-                case BOOT_TRIPLE: 
-                        __asm__ __volatile__("lidt (%0)": :"r" (&no_idt));
-                        __asm__ __volatile__("int3");
-
-                        reboot_type = BOOT_KBD;
-                        break;
-                }      
-        }      
-}
-
-void machine_restart(char * __unused)
-{
-        printk("machine restart\n");
-
-        if (!reboot_force) {
-                machine_shutdown();
-        }
-        machine_emergency_restart();
-}
-
-void machine_halt(void)
-{
-}
-
-void machine_power_off(void)
-{
-        if (pm_power_off) {
-                if (!reboot_force) {
-                        machine_shutdown();
-                }
-                pm_power_off();
-        }
-}
-