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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 551cd3c..5a72e50 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);
@@ -76,4 +92,42 @@ 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 */
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