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-rw-r--r--include/asm-arm/smp.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h
index 551cd3c3093c..5a72e50ca9fc 100644
--- a/include/asm-arm/smp.h
+++ b/include/asm-arm/smp.h
@@ -37,6 +37,11 @@ struct seq_file;
37extern void show_ipi_list(struct seq_file *p); 37extern void show_ipi_list(struct seq_file *p);
38 38
39/* 39/*
40 * Called from assembly code, this handles an IPI.
41 */
42asmlinkage void do_IPI(struct pt_regs *regs);
43
44/*
40 * Move global data into per-processor storage. 45 * Move global data into per-processor storage.
41 */ 46 */
42extern void smp_store_cpu_info(unsigned int cpuid); 47extern void smp_store_cpu_info(unsigned int cpuid);
@@ -47,12 +52,23 @@ extern void smp_store_cpu_info(unsigned int cpuid);
47extern void smp_cross_call(cpumask_t callmap); 52extern void smp_cross_call(cpumask_t callmap);
48 53
49/* 54/*
55 * Broadcast a timer interrupt to the other CPUs.
56 */
57extern void smp_send_timer(void);
58
59/*
50 * Boot a secondary CPU, and assign it the specified idle task. 60 * Boot a secondary CPU, and assign it the specified idle task.
51 * This also gives us the initial stack to use for this CPU. 61 * This also gives us the initial stack to use for this CPU.
52 */ 62 */
53extern int boot_secondary(unsigned int cpu, struct task_struct *); 63extern int boot_secondary(unsigned int cpu, struct task_struct *);
54 64
55/* 65/*
66 * Called from platform specific assembly code, this is the
67 * secondary CPU entry point.
68 */
69asmlinkage void secondary_start_kernel(void);
70
71/*
56 * Perform platform specific initialisation of the specified CPU. 72 * Perform platform specific initialisation of the specified CPU.
57 */ 73 */
58extern void platform_secondary_init(unsigned int cpu); 74extern void platform_secondary_init(unsigned int cpu);
@@ -76,4 +92,42 @@ extern void platform_cpu_die(unsigned int cpu);
76extern int platform_cpu_kill(unsigned int cpu); 92extern int platform_cpu_kill(unsigned int cpu);
77extern void platform_cpu_enable(unsigned int cpu); 93extern void platform_cpu_enable(unsigned int cpu);
78 94
95#ifdef CONFIG_LOCAL_TIMERS
96/*
97 * Setup a local timer interrupt for a CPU.
98 */
99extern void local_timer_setup(unsigned int cpu);
100
101/*
102 * Stop a local timer interrupt.
103 */
104extern void local_timer_stop(unsigned int cpu);
105
106/*
107 * Platform provides this to acknowledge a local timer IRQ
108 */
109extern int local_timer_ack(void);
110
111#else
112
113static inline void local_timer_setup(unsigned int cpu)
114{
115}
116
117static inline void local_timer_stop(unsigned int cpu)
118{
119}
120
121#endif
122
123/*
124 * show local interrupt info
125 */
126extern void show_local_irqs(struct seq_file *);
127
128/*
129 * Called from assembly, this is the local timer IRQ handler
130 */
131asmlinkage void do_local_timer(struct pt_regs *);
132
79#endif /* ifndef __ASM_ARM_SMP_H */ 133#endif /* ifndef __ASM_ARM_SMP_H */