diff options
Diffstat (limited to 'include/asm-arm/smp.h')
-rw-r--r-- | include/asm-arm/smp.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h index dbb4d859c586..5a72e50ca9fc 100644 --- a/include/asm-arm/smp.h +++ b/include/asm-arm/smp.h | |||
@@ -37,6 +37,11 @@ struct seq_file; | |||
37 | extern void show_ipi_list(struct seq_file *p); | 37 | extern void show_ipi_list(struct seq_file *p); |
38 | 38 | ||
39 | /* | 39 | /* |
40 | * Called from assembly code, this handles an IPI. | ||
41 | */ | ||
42 | asmlinkage 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 | */ |
42 | extern void smp_store_cpu_info(unsigned int cpuid); | 47 | extern void smp_store_cpu_info(unsigned int cpuid); |
@@ -47,12 +52,23 @@ extern void smp_store_cpu_info(unsigned int cpuid); | |||
47 | extern void smp_cross_call(cpumask_t callmap); | 52 | extern void smp_cross_call(cpumask_t callmap); |
48 | 53 | ||
49 | /* | 54 | /* |
55 | * Broadcast a timer interrupt to the other CPUs. | ||
56 | */ | ||
57 | extern 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 | */ |
53 | extern int boot_secondary(unsigned int cpu, struct task_struct *); | 63 | extern 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 | */ | ||
69 | asmlinkage 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 | */ |
58 | extern void platform_secondary_init(unsigned int cpu); | 74 | extern void platform_secondary_init(unsigned int cpu); |
@@ -66,4 +82,52 @@ struct secondary_data { | |||
66 | }; | 82 | }; |
67 | extern struct secondary_data secondary_data; | 83 | extern struct secondary_data secondary_data; |
68 | 84 | ||
85 | extern int __cpu_disable(void); | ||
86 | extern int mach_cpu_disable(unsigned int cpu); | ||
87 | |||
88 | extern void __cpu_die(unsigned int cpu); | ||
89 | extern void cpu_die(void); | ||
90 | |||
91 | extern void platform_cpu_die(unsigned int cpu); | ||
92 | extern int platform_cpu_kill(unsigned int cpu); | ||
93 | extern void platform_cpu_enable(unsigned int cpu); | ||
94 | |||
95 | #ifdef CONFIG_LOCAL_TIMERS | ||
96 | /* | ||
97 | * Setup a local timer interrupt for a CPU. | ||
98 | */ | ||
99 | extern void local_timer_setup(unsigned int cpu); | ||
100 | |||
101 | /* | ||
102 | * Stop a local timer interrupt. | ||
103 | */ | ||
104 | extern void local_timer_stop(unsigned int cpu); | ||
105 | |||
106 | /* | ||
107 | * Platform provides this to acknowledge a local timer IRQ | ||
108 | */ | ||
109 | extern int local_timer_ack(void); | ||
110 | |||
111 | #else | ||
112 | |||
113 | static inline void local_timer_setup(unsigned int cpu) | ||
114 | { | ||
115 | } | ||
116 | |||
117 | static inline void local_timer_stop(unsigned int cpu) | ||
118 | { | ||
119 | } | ||
120 | |||
121 | #endif | ||
122 | |||
123 | /* | ||
124 | * show local interrupt info | ||
125 | */ | ||
126 | extern void show_local_irqs(struct seq_file *); | ||
127 | |||
128 | /* | ||
129 | * Called from assembly, this is the local timer IRQ handler | ||
130 | */ | ||
131 | asmlinkage void do_local_timer(struct pt_regs *); | ||
132 | |||
69 | #endif /* ifndef __ASM_ARM_SMP_H */ | 133 | #endif /* ifndef __ASM_ARM_SMP_H */ |