1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2006, 07 by Ralf Baechle (ralf@linux-mips.org)
*
* Symmetric Uniprocessor (TM) Support
*/
#include <linux/kernel.h>
#include <linux/sched.h>
/*
* Send inter-processor interrupt
*/
static void up_send_ipi_single(int cpu, unsigned int action)
{
panic(KERN_ERR "%s called", __func__);
}
static inline void up_send_ipi_mask(cpumask_t mask, unsigned int action)
{
panic(KERN_ERR "%s called", __func__);
}
/*
* After we've done initial boot, this function is called to allow the
* board code to clean up state, if needed
*/
static void __cpuinit up_init_secondary(void)
{
}
static void __cpuinit up_smp_finish(void)
{
}
/* Hook for after all CPUs are online */
static void up_cpus_done(void)
{
}
/*
* Firmware CPU startup hook
*/
static void __cpuinit up_boot_secondary(int cpu, struct task_struct *idle)
{
}
static void __init up_smp_setup(void)
{
}
static void __init up_prepare_cpus(unsigned int max_cpus)
{
}
#ifdef CONFIG_HOTPLUG_CPU
static int up_cpu_disable(void)
{
return -ENOSYS;
}
static void up_cpu_die(unsigned int cpu)
{
BUG();
}
#endif
struct plat_smp_ops up_smp_ops = {
.send_ipi_single = up_send_ipi_single,
.send_ipi_mask = up_send_ipi_mask,
.init_secondary = up_init_secondary,
.smp_finish = up_smp_finish,
.cpus_done = up_cpus_done,
.boot_secondary = up_boot_secondary,
.smp_setup = up_smp_setup,
.prepare_cpus = up_prepare_cpus,
#ifdef CONFIG_HOTPLUG_CPU
.cpu_disable = up_cpu_disable,
.cpu_die = up_cpu_die,
#endif
};
|
