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Diffstat (limited to 'arch/h8300/include/asm/bitops.h')
| -rw-r--r-- | arch/h8300/include/asm/bitops.h | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h deleted file mode 100644 index 4489e3d6edd3..000000000000 --- a/arch/h8300/include/asm/bitops.h +++ /dev/null @@ -1,179 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _H8300_BITOPS_H -#define _H8300_BITOPS_H - -/* - * Copyright 1992, Linus Torvalds. - * Copyright 2002, Yoshinori Sato - */ - -#include <linux/compiler.h> - -#include <asm-generic/bitops/fls.h> -#include <asm-generic/bitops/__fls.h> -#include <asm-generic/bitops/fls64.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 %1\n\t" - "adds #1,%0\n\t" - "bcs 1b" - : "=r"(result),"=r"(word) - : "0"(result), "1"(word)); - return result; -} - -#define H8300_GEN_BITOP(FNAME, OP) \ -static inline void FNAME(int nr, volatile unsigned long *addr) \ -{ \ - unsigned char *b_addr; \ - unsigned char bit = nr & 7; \ - \ - b_addr = (unsigned char *)addr + ((nr >> 3) ^ 3); \ - if (__builtin_constant_p(nr)) { \ - __asm__(OP " %1,%0" : "+WU"(*b_addr) : "i"(nr & 7)); \ - } else { \ - __asm__(OP " %s1,%0" : "+WU"(*b_addr) : "r"(bit)); \ - } \ -} - -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 - -static inline int test_bit(int nr, const volatile unsigned long *addr) -{ - int ret = 0; - unsigned char *b_addr; - unsigned char bit = nr & 7; - - b_addr = (unsigned char *)addr + ((nr >> 3) ^ 3); - if (__builtin_constant_p(nr)) { - __asm__("bld %Z2,%1\n\t" - "rotxl %0\n\t" - : "=r"(ret) - : "WU"(*b_addr), "i"(nr & 7), "0"(ret) : "cc"); - } else { - __asm__("btst %w2,%1\n\t" - "beq 1f\n\t" - "inc.l #1,%0\n" - "1:" - : "=r"(ret) - : "WU"(*b_addr), "r"(bit), "0"(ret) : "cc"); - } - return ret; -} - -#define __test_bit(nr, addr) test_bit(nr, addr) - -#define H8300_GEN_TEST_BITOP(FNNAME, OP) \ -static inline int FNNAME(int nr, void *addr) \ -{ \ - int retval = 0; \ - char ccrsave; \ - unsigned char *b_addr; \ - unsigned char bit = nr & 7; \ - \ - b_addr = (unsigned char *)addr + ((nr >> 3) ^ 3); \ - if (__builtin_constant_p(nr)) { \ - __asm__("stc ccr,%s2\n\t" \ - "orc #0x80,ccr\n\t" \ - "bld %4,%1\n\t" \ - OP " %4,%1\n\t" \ - "rotxl.l %0\n\t" \ - "ldc %s2,ccr" \ - : "=r"(retval), "+WU" (*b_addr), "=&r"(ccrsave) \ - : "0"(retval), "i"(nr & 7) : "cc"); \ - } else { \ - __asm__("stc ccr,%t3\n\t" \ - "orc #0x80,ccr\n\t" \ - "btst %s3,%1\n\t" \ - OP " %s3,%1\n\t" \ - "beq 1f\n\t" \ - "inc.l #1,%0\n\t" \ - "1:\n" \ - "ldc %t3,ccr" \ - : "=r"(retval), "+WU" (*b_addr) \ - : "0" (retval), "r"(bit) : "cc"); \ - } \ - return retval; \ -} \ - \ -static inline int __ ## FNNAME(int nr, void *addr) \ -{ \ - int retval = 0; \ - unsigned char *b_addr; \ - unsigned char bit = nr & 7; \ - \ - b_addr = (unsigned char *)addr + ((nr >> 3) ^ 3); \ - if (__builtin_constant_p(nr)) { \ - __asm__("bld %3,%1\n\t" \ - OP " %3,%1\n\t" \ - "rotxl.l %0\n\t" \ - : "=r"(retval), "+WU"(*b_addr) \ - : "0" (retval), "i"(nr & 7)); \ - } else { \ - __asm__("btst %s3,%1\n\t" \ - OP " %s3,%1\n\t" \ - "beq 1f\n\t" \ - "inc.l #1,%0\n\t" \ - "1:" \ - : "=r"(retval), "+WU"(*b_addr) \ - : "0" (retval), "r"(bit)); \ - } \ - 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 - -#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 %1\n\t" - "adds #1,%0\n\t" - "bcc 1b" - : "=r" (result),"=r"(word) - : "0"(result), "1"(word)); - return result; -} - -#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__ */ - -#endif /* _H8300_BITOPS_H */ |