diff options
Diffstat (limited to 'arch/h8300/include/asm/bitops.h')
| -rw-r--r-- | arch/h8300/include/asm/bitops.h | 211 | 
1 files changed, 0 insertions, 211 deletions
diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h deleted file mode 100644 index eb34e0cd33d..00000000000 --- a/arch/h8300/include/asm/bitops.h +++ /dev/null @@ -1,211 +0,0 @@ -#ifndef _H8300_BITOPS_H -#define _H8300_BITOPS_H - -/* - * Copyright 1992, Linus Torvalds. - * Copyright 2002, Yoshinori Sato - */ - -#include <linux/compiler.h> - -#ifdef __KERNEL__ - -#ifndef _LINUX_BITOPS_H -#error only <linux/bitops.h> can be included directly -#endif - -/* - * Function prototypes to keep gcc -Wall happy - */ - -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static __inline__ unsigned long ffz(unsigned long word) -{ -	unsigned long result; - -	result = -1; -	__asm__("1:\n\t" -		"shlr.l %2\n\t" -		"adds #1,%0\n\t" -		"bcs 1b" -		: "=r" (result) -		: "0"  (result),"r" (word)); -	return result; -} - -#define H8300_GEN_BITOP_CONST(OP,BIT)			    \ -	case BIT:					    \ -	__asm__(OP " #" #BIT ",@%0"::"r"(b_addr):"memory"); \ -	break; - -#define H8300_GEN_BITOP(FNAME,OP)				      \ -static __inline__ void FNAME(int nr, volatile unsigned long* addr)    \ -{								      \ -	volatile unsigned char *b_addr;				      \ -	b_addr = (volatile unsigned char *)addr + ((nr >> 3) ^ 3);    \ -	if (__builtin_constant_p(nr)) {				      \ -		switch(nr & 7) {				      \ -			H8300_GEN_BITOP_CONST(OP,0)		      \ -			H8300_GEN_BITOP_CONST(OP,1)		      \ -			H8300_GEN_BITOP_CONST(OP,2)		      \ -			H8300_GEN_BITOP_CONST(OP,3)		      \ -			H8300_GEN_BITOP_CONST(OP,4)		      \ -			H8300_GEN_BITOP_CONST(OP,5)		      \ -			H8300_GEN_BITOP_CONST(OP,6)		      \ -			H8300_GEN_BITOP_CONST(OP,7)		      \ -		}						      \ -	} else {						      \ -		__asm__(OP " %w0,@%1"::"r"(nr),"r"(b_addr):"memory"); \ -	}							      \ -} - -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit()	barrier() -#define smp_mb__after_clear_bit()	barrier() - -H8300_GEN_BITOP(set_bit	  ,"bset") -H8300_GEN_BITOP(clear_bit ,"bclr") -H8300_GEN_BITOP(change_bit,"bnot") -#define __set_bit(nr,addr)    set_bit((nr),(addr)) -#define __clear_bit(nr,addr)  clear_bit((nr),(addr)) -#define __change_bit(nr,addr) change_bit((nr),(addr)) - -#undef H8300_GEN_BITOP -#undef H8300_GEN_BITOP_CONST - -static __inline__ int test_bit(int nr, const unsigned long* addr) -{ -	return (*((volatile unsigned char *)addr +  -               ((nr >> 3) ^ 3)) & (1UL << (nr & 7))) != 0; -} - -#define __test_bit(nr, addr) test_bit(nr, addr) - -#define H8300_GEN_TEST_BITOP_CONST_INT(OP,BIT)			     \ -	case BIT:						     \ -	__asm__("stc ccr,%w1\n\t"				     \ -		"orc #0x80,ccr\n\t"				     \ -		"bld #" #BIT ",@%4\n\t"				     \ -		OP " #" #BIT ",@%4\n\t"				     \ -		"rotxl.l %0\n\t"				     \ -		"ldc %w1,ccr"					     \ -		: "=r"(retval),"=&r"(ccrsave),"=m"(*b_addr)	     \ -		: "0" (retval),"r" (b_addr)			     \ -		: "memory");                                         \ -        break; - -#define H8300_GEN_TEST_BITOP_CONST(OP,BIT)			     \ -	case BIT:						     \ -	__asm__("bld #" #BIT ",@%3\n\t"				     \ -		OP " #" #BIT ",@%3\n\t"				     \ -		"rotxl.l %0\n\t"				     \ -		: "=r"(retval),"=m"(*b_addr)			     \ -		: "0" (retval),"r" (b_addr)			     \ -		: "memory");                                         \ -        break; - -#define H8300_GEN_TEST_BITOP(FNNAME,OP)				     \ -static __inline__ int FNNAME(int nr, volatile void * addr)	     \ -{								     \ -	int retval = 0;						     \ -	char ccrsave;						     \ -	volatile unsigned char *b_addr;				     \ -	b_addr = (volatile unsigned char *)addr + ((nr >> 3) ^ 3);   \ -	if (__builtin_constant_p(nr)) {				     \ -		switch(nr & 7) {				     \ -			H8300_GEN_TEST_BITOP_CONST_INT(OP,0)	     \ -			H8300_GEN_TEST_BITOP_CONST_INT(OP,1)	     \ -			H8300_GEN_TEST_BITOP_CONST_INT(OP,2)	     \ -			H8300_GEN_TEST_BITOP_CONST_INT(OP,3)	     \ -			H8300_GEN_TEST_BITOP_CONST_INT(OP,4)	     \ -			H8300_GEN_TEST_BITOP_CONST_INT(OP,5)	     \ -			H8300_GEN_TEST_BITOP_CONST_INT(OP,6)	     \ -			H8300_GEN_TEST_BITOP_CONST_INT(OP,7)	     \ -		}						     \ -	} else {						     \ -		__asm__("stc ccr,%w1\n\t"			     \ -			"orc #0x80,ccr\n\t"			     \ -			"btst %w5,@%4\n\t"			     \ -			OP " %w5,@%4\n\t"			     \ -			"beq 1f\n\t"				     \ -			"inc.l #1,%0\n"				     \ -			"1:\n\t"				     \ -			"ldc %w1,ccr"				     \ -			: "=r"(retval),"=&r"(ccrsave),"=m"(*b_addr)  \ -			: "0" (retval),"r" (b_addr),"r"(nr)	     \ -			: "memory");				     \ -	}							     \ -	return retval;						     \ -}								     \ -								     \ -static __inline__ int __ ## FNNAME(int nr, volatile void * addr)     \ -{								     \ -	int retval = 0;						     \ -	volatile unsigned char *b_addr;				     \ -	b_addr = (volatile unsigned char *)addr + ((nr >> 3) ^ 3);   \ -	if (__builtin_constant_p(nr)) {				     \ -		switch(nr & 7) {				     \ -			H8300_GEN_TEST_BITOP_CONST(OP,0) 	     \ -			H8300_GEN_TEST_BITOP_CONST(OP,1) 	     \ -			H8300_GEN_TEST_BITOP_CONST(OP,2) 	     \ -			H8300_GEN_TEST_BITOP_CONST(OP,3) 	     \ -			H8300_GEN_TEST_BITOP_CONST(OP,4) 	     \ -			H8300_GEN_TEST_BITOP_CONST(OP,5) 	     \ -			H8300_GEN_TEST_BITOP_CONST(OP,6) 	     \ -			H8300_GEN_TEST_BITOP_CONST(OP,7) 	     \ -		}						     \ -	} else {						     \ -		__asm__("btst %w4,@%3\n\t"			     \ -			OP " %w4,@%3\n\t"			     \ -			"beq 1f\n\t"				     \ -			"inc.l #1,%0\n"				     \ -			"1:"					     \ -			: "=r"(retval),"=m"(*b_addr)		     \ -			: "0" (retval),"r" (b_addr),"r"(nr)	     \ -			: "memory");				     \ -	}							     \ -	return retval;						     \ -} - -H8300_GEN_TEST_BITOP(test_and_set_bit,	 "bset") -H8300_GEN_TEST_BITOP(test_and_clear_bit, "bclr") -H8300_GEN_TEST_BITOP(test_and_change_bit,"bnot") -#undef H8300_GEN_TEST_BITOP_CONST -#undef H8300_GEN_TEST_BITOP_CONST_INT -#undef H8300_GEN_TEST_BITOP - -#include <asm-generic/bitops/ffs.h> - -static __inline__ unsigned long __ffs(unsigned long word) -{ -	unsigned long result; - -	result = -1; -	__asm__("1:\n\t" -		"shlr.l %2\n\t" -		"adds #1,%0\n\t" -		"bcc 1b" -		: "=r" (result) -		: "0"(result),"r"(word)); -	return result; -} - -#include <asm-generic/bitops/find.h> -#include <asm-generic/bitops/sched.h> -#include <asm-generic/bitops/hweight.h> -#include <asm-generic/bitops/lock.h> -#include <asm-generic/bitops/le.h> -#include <asm-generic/bitops/ext2-atomic.h> - -#endif /* __KERNEL__ */ - -#include <asm-generic/bitops/fls.h> -#include <asm-generic/bitops/__fls.h> -#include <asm-generic/bitops/fls64.h> - -#endif /* _H8300_BITOPS_H */  | 
