X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-arm%2Fsmp.h;h=5a72e50ca9fc0ab5f1640d5ba975ee155851e14e;hb=37b797b270a81248f839629ddeb382a35c7b0d30;hp=dbb4d859c58664b80e43ca8afee7590bbcf01847;hpb=99ad25a313bda566a346b46a6015afa65bc0a02b;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h index dbb4d859c58..5a72e50ca9f 100644 --- a/include/asm-arm/smp.h +++ b/include/asm-arm/smp.h @@ -36,6 +36,11 @@ 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. */ @@ -46,12 +51,23 @@ 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. */ @@ -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 */