a.i

基于ＬＩＮＵＸ嵌入式系统

# 1 "ad_driver.c"

# 1 "/home/llhg/linux-2.4/linux/include/linux/module.h" 1
 








# 1 "/home/llhg/linux-2.4/linux/include/linux/config.h" 1



# 1 "/home/llhg/linux-2.4/linux/include/linux/autoconf.h" 1
 













 





 






 


























































 











 






























 




 














 
















 




















 











 







 





 













 











 




































 




 




 









 
















































 















 




 







 




 




 




 






 














 







































 








 




 










 








 


































 




 








 





 































 











 






 




 

















 


















 



















































 
























 




















 









































 





 








































 





























 









 


















































 































 




 
















# 4 "/home/llhg/linux-2.4/linux/include/linux/config.h" 2



# 10 "/home/llhg/linux-2.4/linux/include/linux/module.h" 2

# 1 "/home/llhg/linux-2.4/linux/include/linux/spinlock.h" 1





 












































 








  typedef struct { int gcc_is_buggy; } spinlock_t;
  









# 105 "/home/llhg/linux-2.4/linux/include/linux/spinlock.h"


 















  typedef struct { int gcc_is_buggy; } rwlock_t;
  










 






# 11 "/home/llhg/linux-2.4/linux/include/linux/module.h" 2

# 1 "/home/llhg/linux-2.4/linux/include/linux/list.h" 1





# 1 "/home/llhg/linux-2.4/linux/include/linux/prefetch.h" 1
 











# 1 "/home/llhg/linux-2.4/linux/include/asm/processor.h" 1
 












 







struct fp_hard_struct {
	unsigned int save[35 ];		 
};

struct fp_soft_struct {
	unsigned int save[35 ];		 
};

union fp_state {
	struct fp_hard_struct	hard;
	struct fp_soft_struct	soft;
};

typedef unsigned long mm_segment_t;		 







# 1 "/home/llhg/linux-2.4/linux/include/asm/atomic.h" 1
 























typedef struct { volatile int counter; } atomic_t;




# 1 "/home/llhg/linux-2.4/linux/include/asm/proc/system.h" 1
 


































extern unsigned long cr_no_alignment;	 
extern unsigned long cr_alignment;	 







 



 



# 63 "/home/llhg/linux-2.4/linux/include/asm/proc/system.h"
	
 



# 78 "/home/llhg/linux-2.4/linux/include/asm/proc/system.h"

 



# 93 "/home/llhg/linux-2.4/linux/include/asm/proc/system.h"

 



# 108 "/home/llhg/linux-2.4/linux/include/asm/proc/system.h"

 



# 123 "/home/llhg/linux-2.4/linux/include/asm/proc/system.h"

 









 









# 158 "/home/llhg/linux-2.4/linux/include/asm/proc/system.h"


static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
{
	extern void __bad_xchg(volatile void *, int);
	unsigned long ret;




	switch (size) {
# 183 "/home/llhg/linux-2.4/linux/include/asm/proc/system.h"

		case 1:	__asm__ __volatile__ ("swpb %0, %1, [%2]"
					: "=r" (ret)
					: "r" (x), "r" (ptr)
					: "memory");
			break;
		case 4:	__asm__ __volatile__ ("swp %0, %1, [%2]"
					: "=r" (ret)
					: "r" (x), "r" (ptr)
					: "memory");
			break;

		default: __bad_xchg(ptr, size);
	}

	return ret;
}


# 30 "/home/llhg/linux-2.4/linux/include/asm/atomic.h" 2





static __inline__ void atomic_add(int i, volatile atomic_t *v)
{
	unsigned long flags;

	({	unsigned long temp;	__asm__ __volatile__(	"mrs	%0, cpsr		@ save_flags_cli\n"	"	orr	%1, %0, #128\n"	"	msr	cpsr_c, %1"	: "=r" ( flags ), "=r" (temp)	:	: "memory");	}) ;
	v->counter += i;
	__asm__ __volatile__(	"msr	cpsr_c, %0		@ restore_flags\n"	:	: "r" ( flags )	: "memory") ;
}

static __inline__ void atomic_sub(int i, volatile atomic_t *v)
{
	unsigned long flags;

	({	unsigned long temp;	__asm__ __volatile__(	"mrs	%0, cpsr		@ save_flags_cli\n"	"	orr	%1, %0, #128\n"	"	msr	cpsr_c, %1"	: "=r" ( flags ), "=r" (temp)	:	: "memory");	}) ;
	v->counter -= i;
	__asm__ __volatile__(	"msr	cpsr_c, %0		@ restore_flags\n"	:	: "r" ( flags )	: "memory") ;
}

static __inline__ void atomic_inc(volatile atomic_t *v)
{
	unsigned long flags;

	({	unsigned long temp;	__asm__ __volatile__(	"mrs	%0, cpsr		@ save_flags_cli\n"	"	orr	%1, %0, #128\n"	"	msr	cpsr_c, %1"	: "=r" ( flags ), "=r" (temp)	:	: "memory");	}) ;
	v->counter += 1;
	__asm__ __volatile__(	"msr	cpsr_c, %0		@ restore_flags\n"	:	: "r" ( flags )	: "memory") ;
}

static __inline__ void atomic_dec(volatile atomic_t *v)
{
	unsigned long flags;

	({	unsigned long temp;	__asm__ __volatile__(	"mrs	%0, cpsr		@ save_flags_cli\n"	"	orr	%1, %0, #128\n"	"	msr	cpsr_c, %1"	: "=r" ( flags ), "=r" (temp)	:	: "memory");	}) ;
	v->counter -= 1;
	__asm__ __volatile__(	"msr	cpsr_c, %0		@ restore_flags\n"	:	: "r" ( flags )	: "memory") ;
}

static __inline__ int atomic_dec_and_test(volatile atomic_t *v)
{
	unsigned long flags;
	int result;

	({	unsigned long temp;	__asm__ __volatile__(	"mrs	%0, cpsr		@ save_flags_cli\n"	"	orr	%1, %0, #128\n"	"	msr	cpsr_c, %1"	: "=r" ( flags ), "=r" (temp)	:	: "memory");	}) ;
	v->counter -= 1;
	result = (v->counter == 0);
	__asm__ __volatile__(	"msr	cpsr_c, %0		@ restore_flags\n"	:	: "r" ( flags )	: "memory") ;

	return result;
}

static inline int atomic_add_negative(int i, volatile atomic_t *v)
{
	unsigned long flags;
	int result;

	({	unsigned long temp;	__asm__ __volatile__(	"mrs	%0, cpsr		@ save_flags_cli\n"	"	orr	%1, %0, #128\n"	"	msr	cpsr_c, %1"	: "=r" ( flags ), "=r" (temp)	:	: "memory");	}) ;
	v->counter += i;
	result = (v->counter < 0);
	__asm__ __volatile__(	"msr	cpsr_c, %0		@ restore_flags\n"	:	: "r" ( flags )	: "memory") ;

	return result;
}

static __inline__ void atomic_clear_mask(unsigned long mask, unsigned long *addr)
{
	unsigned long flags;

	({	unsigned long temp;	__asm__ __volatile__(	"mrs	%0, cpsr		@ save_flags_cli\n"	"	orr	%1, %0, #128\n"	"	msr	cpsr_c, %1"	: "=r" ( flags ), "=r" (temp)	:	: "memory");	}) ;
	*addr &= ~mask;
	__asm__ __volatile__(	"msr	cpsr_c, %0		@ restore_flags\n"	:	: "r" ( flags )	: "memory") ;
}

 







# 43 "/home/llhg/linux-2.4/linux/include/asm/processor.h" 2

# 1 "/home/llhg/linux-2.4/linux/include/asm/ptrace.h" 1



# 1 "/home/llhg/linux-2.4/linux/include/asm/proc/ptrace.h" 1
 




































 


struct pt_regs {
	long uregs[18];
};











































	
 


static inline int valid_user_regs(struct pt_regs *regs)
{
	if ((regs-> uregs[16]  & 0xf) == 0 &&
	    (regs-> uregs[16]  & (0x40 | 0x80 )) == 0)
		return 1;

	 


	regs-> uregs[16]  &= ((1 << 28) | (1 << 29) | (1 << 30) | (1 << 31) |0x10);

	return 0;
}







# 4 "/home/llhg/linux-2.4/linux/include/asm/ptrace.h" 2















extern void show_regs(struct pt_regs *);










# 44 "/home/llhg/linux-2.4/linux/include/asm/processor.h" 2

# 1 "/home/llhg/linux-2.4/linux/include/asm/arch/memory.h" 1