init commit via android 4.4 uboot

1 files changed, 134 insertions, 0 deletions

diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h
new file mode 100755
index 0000000..445d449
--- /dev/null
+++ b/include/asm-arm/processor.h
@@ -0,0 +1,134 @@
+/*
+ *  linux/include/asm-arm/processor.h
+ *
+ *  Copyright (C) 1995-2002 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_ARM_PROCESSOR_H
+#define __ASM_ARM_PROCESSOR_H
+
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+#define current_text_addr() ({ __label__ _l; _l: &&_l;})
+
+#define FP_SIZE 35
+
+struct fp_hard_struct {
+	unsigned int save[FP_SIZE];		/* as yet undefined */
+};
+
+struct fp_soft_struct {
+	unsigned int save[FP_SIZE];		/* undefined information */
+};
+
+union fp_state {
+	struct fp_hard_struct	hard;
+	struct fp_soft_struct	soft;
+};
+
+typedef unsigned long mm_segment_t;		/* domain register	*/
+
+#ifdef __KERNEL__
+
+#define EISA_bus 0
+#define MCA_bus 0
+#define MCA_bus__is_a_macro
+
+#include <asm/atomic.h>
+#include <asm/ptrace.h>
+#if 0	/* XXX###XXX */
+#include <asm/arch/memory.h>
+#endif	/* XXX###XXX */
+#include <asm/proc/processor.h>
+#include <asm/types.h>
+
+union debug_insn {
+	u32	arm;
+	u16	thumb;
+};
+
+struct debug_entry {
+	u32			address;
+	union debug_insn	insn;
+};
+
+struct debug_info {
+	int			nsaved;
+	struct debug_entry	bp[2];
+};
+
+struct thread_struct {
+	atomic_t			refcount;
+							/* fault info	  */
+	unsigned long			address;
+	unsigned long			trap_no;
+	unsigned long			error_code;
+							/* floating point */
+	union fp_state			fpstate;
+							/* debugging	  */
+	struct debug_info		debug;
+							/* context info	  */
+	struct context_save_struct	*save;
+	EXTRA_THREAD_STRUCT
+};
+
+#define INIT_THREAD  {					\
+	refcount:	ATOMIC_INIT(1),			\
+	EXTRA_THREAD_STRUCT_INIT			\
+}
+
+/*
+ * Return saved PC of a blocked thread.
+ */
+static inline unsigned long thread_saved_pc(struct thread_struct *t)
+{
+	return t->save ? pc_pointer(t->save->pc) : 0;
+}
+
+static inline unsigned long thread_saved_fp(struct thread_struct *t)
+{
+	return t->save ? t->save->fp : 0;
+}
+
+/* Forward declaration, a strange C thing */
+struct task_struct;
+
+/* Free all resources held by a thread. */
+extern void release_thread(struct task_struct *);
+
+/* Copy and release all segment info associated with a VM */
+#define copy_segments(tsk, mm)		do { } while (0)
+#define release_segments(mm)		do { } while (0)
+
+unsigned long get_wchan(struct task_struct *p);
+
+#define THREAD_SIZE	(8192)
+
+extern struct task_struct *alloc_task_struct(void);
+extern void __free_task_struct(struct task_struct *);
+#define get_task_struct(p)	atomic_inc(&(p)->thread.refcount)
+#define free_task_struct(p)					\
+ do {								\
+	if (atomic_dec_and_test(&(p)->thread.refcount))		\
+		__free_task_struct((p));			\
+ } while (0)
+
+#define init_task	(init_task_union.task)
+#define init_stack	(init_task_union.stack)
+
+#define cpu_relax()	barrier()
+
+/*
+ * Create a new kernel thread
+ */
+extern int arch_kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
+
+#endif
+
+#endif /* __ASM_ARM_PROCESSOR_H */