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; extern void show_ipi_list(struct seq_file *p); /* + * Called from assembly code, this handles an IPI. + */ +asmlinkage void do_IPI(struct pt_regs *regs); + +/* * Move global data into per-processor storage. */ extern void smp_store_cpu_info(unsigned int cpuid); @@ -47,12 +52,23 @@ extern void smp_store_cpu_info(unsigned int cpuid); extern void smp_cross_call(cpumask_t callmap); /* + * Broadcast a timer interrupt to the other CPUs. + */ +extern void smp_send_timer(void); + +/* * Boot a secondary CPU, and assign it the specified idle task. * This also gives us the initial stack to use for this CPU. */ extern int boot_secondary(unsigned int cpu, struct task_struct *); /* + * Called from platform specific assembly code, this is the + * secondary CPU entry point. + */ +asmlinkage void secondary_start_kernel(void); + +/* * Perform platform specific initialisation of the specified CPU. */ extern void platform_secondary_init(unsigned int cpu); @@ -66,4 +82,52 @@ struct secondary_data { }; extern struct secondary_data secondary_data; +extern int __cpu_disable(void); +extern int mach_cpu_disable(unsigned int cpu); + +extern void __cpu_die(unsigned int cpu); +extern void cpu_die(void); + +extern void platform_cpu_die(unsigned int cpu); +extern int platform_cpu_kill(unsigned int cpu); +extern void platform_cpu_enable(unsigned int cpu); + +#ifdef CONFIG_LOCAL_TIMERS +/* + * Setup a local timer interrupt for a CPU. + */ +extern void local_timer_setup(unsigned int cpu); + +/* + * Stop a local timer interrupt. + */ +extern void local_timer_stop(unsigned int cpu); + +/* + * Platform provides this to acknowledge a local timer IRQ + */ +extern int local_timer_ack(void); + +#else + +static inline void local_timer_setup(unsigned int cpu) +{ +} + +static inline void local_timer_stop(unsigned int cpu) +{ +} + +#endif + +/* + * show local interrupt info + */ +extern void show_local_irqs(struct seq_file *); + +/* + * Called from assembly, this is the local timer IRQ handler + */ +asmlinkage void do_local_timer(struct pt_regs *); + #endif /* ifndef __ASM_ARM_SMP_H */ |