init android origin source code

1 files changed, 37 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/x86/include/asm/cpu.h b/ANDROID_3.4.5/arch/x86/include/asm/cpu.h
new file mode 100644
index 00000000..4564c8e2
--- /dev/null
+++ b/ANDROID_3.4.5/arch/x86/include/asm/cpu.h
@@ -0,0 +1,37 @@
+#ifndef _ASM_X86_CPU_H
+#define _ASM_X86_CPU_H
+
+#include <linux/device.h>
+#include <linux/cpu.h>
+#include <linux/topology.h>
+#include <linux/nodemask.h>
+#include <linux/percpu.h>
+
+#ifdef CONFIG_SMP
+
+extern void prefill_possible_map(void);
+
+#else /* CONFIG_SMP */
+
+static inline void prefill_possible_map(void) {}
+
+#define cpu_physical_id(cpu)			boot_cpu_physical_apicid
+#define safe_smp_processor_id()			0
+#define stack_smp_processor_id()		0
+
+#endif /* CONFIG_SMP */
+
+struct x86_cpu {
+	struct cpu cpu;
+};
+
+#ifdef CONFIG_HOTPLUG_CPU
+extern int arch_register_cpu(int num);
+extern void arch_unregister_cpu(int);
+#endif
+
+DECLARE_PER_CPU(int, cpu_state);
+
+int mwait_usable(const struct cpuinfo_x86 *);
+
+#endif /* _ASM_X86_CPU_H */