X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-arm%2Fsmp.h;h=fe45f7f612230be865e49497809f5ecf1aa68021;hb=60e04a5c533785c23ce6b76a6e5058328fe68edb;hp=551cd3c3093cd8bde19f3a435e46ca4a86d446a4;hpb=602d4a7e2f4b843d1a67375d4d7104073495b758;p=powerpc.git diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h index 551cd3c309..fe45f7f612 100644 --- a/include/asm-arm/smp.h +++ b/include/asm-arm/smp.h @@ -36,6 +36,16 @@ 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); + +/* + * Setup the SMP cpu_possible_map + */ +extern void smp_init_cpus(void); + /* * Move global data into per-processor storage. */ @@ -46,12 +56,23 @@ 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. */ @@ -76,4 +97,42 @@ 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 */