[h8300] move include/asm-h8300 to arch/h8300/include/asm

Done as a script (well, a single "git mv" actually) on request from
Yoshinori Sato as a way to avoid a huge diff.

Requested-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 212 insertions, 0 deletions

diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h
new file mode 100644
index 000000000000..cb18e3b0aa94
--- /dev/null
+++ b/arch/h8300/include/asm/bitops.h
@@ -0,0 +1,212 @@
+#ifndef _H8300_BITOPS_H
+#define _H8300_BITOPS_H
+
+/*
+ * Copyright 1992, Linus Torvalds.
+ * Copyright 2002, Yoshinori Sato
+ */
+
+#include <linux/compiler.h>
+#include <asm/system.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/ext2-non-atomic.h>
+#include <asm-generic/bitops/ext2-atomic.h>
+#include <asm-generic/bitops/minix.h>
+
+#endif /* __KERNEL__ */
+
+#include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/fls64.h>
+
+#endif /* _H8300_BITOPS_H */