| npx.h (158995) | npx.h (159027) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)npx.h 5.3 (Berkeley) 1/18/91 | 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)npx.h 5.3 (Berkeley) 1/18/91 |
| 33 * $FreeBSD: head/sys/i386/include/npx.h 158995 2006-05-28 02:03:13Z davidxu $ | 33 * $FreeBSD: head/sys/i386/include/npx.h 159027 2006-05-29 02:58:37Z davidxu $ |
| 34 */ 35 36/* 37 * 287/387 NPX Coprocessor Data Structures and Constants 38 * W. Jolitz 1/90 39 */ 40 41#ifndef _MACHINE_NPX_H_ --- 91 unchanged lines hidden (view full) --- 133 * because it makes the results of calculations depend on whether 134 * intermediate values are stored in memory or in FPU registers. 135 */ 136#define __INITIAL_NPXCW__ 0x127F 137#define __INITIAL_MXCSR__ 0x1F80 138 139#ifdef _KERNEL 140 | 34 */ 35 36/* 37 * 287/387 NPX Coprocessor Data Structures and Constants 38 * W. Jolitz 1/90 39 */ 40 41#ifndef _MACHINE_NPX_H_ --- 91 unchanged lines hidden (view full) --- 133 * because it makes the results of calculations depend on whether 134 * intermediate values are stored in memory or in FPU registers. 135 */ 136#define __INITIAL_NPXCW__ 0x127F 137#define __INITIAL_MXCSR__ 0x1F80 138 139#ifdef _KERNEL 140 |
| 141struct thread; 142 | |
| 143#define IO_NPX 0x0F0 /* Numeric Coprocessor */ 144#define IO_NPXSIZE 16 /* 80387/80487 NPX registers */ 145 146#define IRQ_NPX 13 147 148/* full reset on some systems, NOP on others */ 149#define npx_full_reset() outb(IO_NPX + 1, 0) 150 151int npxdna(void); 152void npxdrop(void); 153void npxexit(struct thread *td); 154int npxformat(void); 155int npxgetregs(struct thread *td, union savefpu *addr); 156void npxinit(u_short control); 157void npxsave(union savefpu *addr); 158void npxsetregs(struct thread *td, union savefpu *addr); 159int npxtrap(void); | 141#define IO_NPX 0x0F0 /* Numeric Coprocessor */ 142#define IO_NPXSIZE 16 /* 80387/80487 NPX registers */ 143 144#define IRQ_NPX 13 145 146/* full reset on some systems, NOP on others */ 147#define npx_full_reset() outb(IO_NPX + 1, 0) 148 149int npxdna(void); 150void npxdrop(void); 151void npxexit(struct thread *td); 152int npxformat(void); 153int npxgetregs(struct thread *td, union savefpu *addr); 154void npxinit(u_short control); 155void npxsave(union savefpu *addr); 156void npxsetregs(struct thread *td, union savefpu *addr); 157int npxtrap(void); |
| 160void npx_fork_thread(struct thread *td, struct thread *newtd); | |
| 161 162#endif 163 164#endif /* !_MACHINE_NPX_H_ */ | 158 159#endif 160 161#endif /* !_MACHINE_NPX_H_ */ |