| pcpu.h (225736) | pcpu.h (239996) |
|---|---|
| 1/*- 2 * Copyright (c) Peter Wemm 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 --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) Peter Wemm 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 --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: stable/9/sys/i386/include/pcpu.h 216956 2011-01-04 14:49:54Z rwatson $ | 26 * $FreeBSD: stable/9/sys/i386/include/pcpu.h 239996 2012-09-01 15:59:09Z kib $ |
| 27 */ 28 29#ifndef _MACHINE_PCPU_H_ 30#define _MACHINE_PCPU_H_ 31 32#ifndef _SYS_CDEFS_H_ 33#error "sys/cdefs.h is a prerequisite for this file" 34#endif --- 196 unchanged lines hidden (view full) --- 231} while (0) 232 233#define PCPU_GET(member) __PCPU_GET(pc_ ## member) 234#define PCPU_ADD(member, val) __PCPU_ADD(pc_ ## member, val) 235#define PCPU_INC(member) __PCPU_INC(pc_ ## member) 236#define PCPU_PTR(member) __PCPU_PTR(pc_ ## member) 237#define PCPU_SET(member, val) __PCPU_SET(pc_ ## member, val) 238 | 27 */ 28 29#ifndef _MACHINE_PCPU_H_ 30#define _MACHINE_PCPU_H_ 31 32#ifndef _SYS_CDEFS_H_ 33#error "sys/cdefs.h is a prerequisite for this file" 34#endif --- 196 unchanged lines hidden (view full) --- 231} while (0) 232 233#define PCPU_GET(member) __PCPU_GET(pc_ ## member) 234#define PCPU_ADD(member, val) __PCPU_ADD(pc_ ## member, val) 235#define PCPU_INC(member) __PCPU_INC(pc_ ## member) 236#define PCPU_PTR(member) __PCPU_PTR(pc_ ## member) 237#define PCPU_SET(member, val) __PCPU_SET(pc_ ## member, val) 238 |
| 239#define OFFSETOF_CURTHREAD 0 240#ifdef __clang__ 241#pragma clang diagnostic push 242#pragma clang diagnostic ignored "-Wnull-dereference" 243#endif |
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| 239static __inline __pure2 struct thread * 240__curthread(void) 241{ 242 struct thread *td; 243 | 244static __inline __pure2 struct thread * 245__curthread(void) 246{ 247 struct thread *td; 248 |
| 244 __asm("movl %%fs:0,%0" : "=r" (td)); | 249 __asm("movl %%fs:%1,%0" : "=r" (td) 250 : "m" (*(char *)OFFSETOF_CURTHREAD)); |
| 245 return (td); 246} | 251 return (td); 252} |
| 253#ifdef __clang__ 254#pragma clang diagnostic pop 255#endif |
|
| 247#define curthread (__curthread()) 248 | 256#define curthread (__curthread()) 257 |
| 258#define OFFSETOF_CURPCB 16 259static __inline __pure2 struct pcb * 260__curpcb(void) 261{ 262 struct pcb *pcb; 263 264 __asm("movl %%fs:%1,%0" : "=r" (pcb) : "m" (*(char *)OFFSETOF_CURPCB)); 265 return (pcb); 266} 267#define curpcb (__curpcb()) 268 |
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| 249#else /* !lint || defined(__GNUCLIKE_ASM) && defined(__GNUCLIKE___TYPEOF) */ 250 251#error "this file needs to be ported to your compiler" 252 253#endif /* lint, etc. */ 254 255#endif /* _KERNEL */ 256 257#endif /* !_MACHINE_PCPU_H_ */ | 269#else /* !lint || defined(__GNUCLIKE_ASM) && defined(__GNUCLIKE___TYPEOF) */ 270 271#error "this file needs to be ported to your compiler" 272 273#endif /* lint, etc. */ 274 275#endif /* _KERNEL */ 276 277#endif /* !_MACHINE_PCPU_H_ */ |