| cpufunc.h (276084) | cpufunc.h (289818) |
|---|---|
| 1/*- 2 * Copyright (c) 1993 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 12 unchanged lines hidden (view full) --- 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * | 1/*- 2 * Copyright (c) 1993 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 12 unchanged lines hidden (view full) --- 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * |
| 29 * $FreeBSD: stable/10/sys/i386/include/cpufunc.h 276084 2014-12-22 21:32:39Z jhb $ | 29 * $FreeBSD: stable/10/sys/i386/include/cpufunc.h 289818 2015-10-23 10:05:43Z avg $ |
| 30 */ 31 32/* 33 * Functions to provide access to special i386 instructions. 34 * This in included in sys/systm.h, and that file should be 35 * used in preference to this. 36 */ 37 --- 141 unchanged lines hidden (view full) --- 179 * Note that gcc-2's builtin ffs would be used if we didn't declare 180 * this inline or turn off the builtin. The builtin is faster but 181 * broken in gcc-2.4.5 and slower but working in gcc-2.5 and later 182 * versions. 183 */ 184 return (mask == 0 ? mask : (int)bsfl((u_int)mask) + 1); 185} 186 | 30 */ 31 32/* 33 * Functions to provide access to special i386 instructions. 34 * This in included in sys/systm.h, and that file should be 35 * used in preference to this. 36 */ 37 --- 141 unchanged lines hidden (view full) --- 179 * Note that gcc-2's builtin ffs would be used if we didn't declare 180 * this inline or turn off the builtin. The builtin is faster but 181 * broken in gcc-2.4.5 and slower but working in gcc-2.5 and later 182 * versions. 183 */ 184 return (mask == 0 ? mask : (int)bsfl((u_int)mask) + 1); 185} 186 |
| 187#define HAVE_INLINE_FFSL 188 189static __inline int 190ffsl(long mask) 191{ 192 return (ffs((int)mask)); 193} 194 |
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| 187#define HAVE_INLINE_FLS 188 189static __inline int 190fls(int mask) 191{ 192 return (mask == 0 ? mask : (int)bsrl((u_int)mask) + 1); 193} 194 | 195#define HAVE_INLINE_FLS 196 197static __inline int 198fls(int mask) 199{ 200 return (mask == 0 ? mask : (int)bsrl((u_int)mask) + 1); 201} 202 |
| 203#define HAVE_INLINE_FLSL 204 205static __inline int 206flsl(long mask) 207{ 208 return (fls((int)mask)); 209} 210 |
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| 195#endif /* _KERNEL */ 196 197static __inline void 198halt(void) 199{ 200 __asm __volatile("hlt"); 201} 202 --- 600 unchanged lines hidden --- | 211#endif /* _KERNEL */ 212 213static __inline void 214halt(void) 215{ 216 __asm __volatile("hlt"); 217} 218 --- 600 unchanged lines hidden --- |