| npx.c (3440) | npx.c (3816) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 William Jolitz. 3 * Copyright (c) 1991 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 18 unchanged lines hidden (view full) --- 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * from: @(#)npx.c 7.2 (Berkeley) 5/12/91 | 1/*- 2 * Copyright (c) 1990 William Jolitz. 3 * Copyright (c) 1991 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 18 unchanged lines hidden (view full) --- 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * from: @(#)npx.c 7.2 (Berkeley) 5/12/91 |
| 35 * $Id: npx.c,v 1.13 1994/09/22 14:44:16 davidg Exp $ | 35 * $Id: npx.c,v 1.14 1994/10/08 22:27:58 phk Exp $ |
| 36 */ 37 38#include "npx.h" 39#if NNPX > 0 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/conf.h> 44#include <sys/file.h> 45#include <sys/proc.h> | 36 */ 37 38#include "npx.h" 39#if NNPX > 0 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/conf.h> 44#include <sys/file.h> 45#include <sys/proc.h> |
| 46#include <sys/devconf.h> 47#include <sys/ioctl.h> 48 |
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| 46#include <machine/cpu.h> 47#include <machine/pcb.h> 48#include <machine/trap.h> | 49#include <machine/cpu.h> 50#include <machine/pcb.h> 51#include <machine/trap.h> |
| 49#include <sys/ioctl.h> | |
| 50#include <machine/specialreg.h> | 52#include <machine/specialreg.h> |
| 53 |
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| 51#include <i386/isa/icu.h> 52#include <i386/isa/isa_device.h> 53#include <i386/isa/isa.h> 54 55/* 56 * 387 and 287 Numeric Coprocessor Extension (NPX) Driver. 57 */ 58 --- 238 unchanged lines hidden (view full) --- 297 dvp->id_irq = 0; 298 /* 299 * special return value to flag that we do not 300 * actually use any I/O registers 301 */ 302 return (-1); 303} 304 | 54#include <i386/isa/icu.h> 55#include <i386/isa/isa_device.h> 56#include <i386/isa/isa.h> 57 58/* 59 * 387 and 287 Numeric Coprocessor Extension (NPX) Driver. 60 */ 61 --- 238 unchanged lines hidden (view full) --- 300 dvp->id_irq = 0; 301 /* 302 * special return value to flag that we do not 303 * actually use any I/O registers 304 */ 305 return (-1); 306} 307 |
| 308static struct kern_devconf kdc_npx[NNPX] = { { 309 0, 0, 0, /* filled in by dev_attach */ 310 "npx", 0, { MDDT_ISA, 0 }, 311 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, 312 &kdc_isa0, /* parent */ 313 0, /* parentdata */ 314 DC_UNKNOWN, /* not supported */ 315 "Floating-point unit" 316} }; 317 318static inline void 319npx_registerdev(struct isa_device *id) 320{ 321 if(id->id_unit) 322 kdc_npx[id->id_unit] = kdc_npx[0]; 323 kdc_npx[id->id_unit].kdc_unit = id->id_unit; 324 kdc_npx[id->id_unit].kdc_isa = id; 325 dev_attach(&kdc_npx[id->id_unit]); 326} 327 |
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| 305/* 306 * Attach routine - announce which it is, and wire into system 307 */ 308int 309npxattach(dvp) 310 struct isa_device *dvp; 311{ 312 if (!npx_ex16 && !npx_irq13) { 313 if (npx_exists) { 314 printf("npx%d: Error reporting broken, using 387 emulator\n",dvp->id_unit); 315 hw_float = npx_exists = 0; 316 } else { 317 printf("npx%d: 387 Emulator\n",dvp->id_unit); 318 } 319 } 320 npxinit(__INITIAL_NPXCW__); | 328/* 329 * Attach routine - announce which it is, and wire into system 330 */ 331int 332npxattach(dvp) 333 struct isa_device *dvp; 334{ 335 if (!npx_ex16 && !npx_irq13) { 336 if (npx_exists) { 337 printf("npx%d: Error reporting broken, using 387 emulator\n",dvp->id_unit); 338 hw_float = npx_exists = 0; 339 } else { 340 printf("npx%d: 387 Emulator\n",dvp->id_unit); 341 } 342 } 343 npxinit(__INITIAL_NPXCW__); |
| 344 npx_registerdev(dvp); |
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| 321 return (1); /* XXX unused */ 322} 323 324/* 325 * Initialize floating point unit. 326 */ 327void 328npxinit(control) --- 215 unchanged lines hidden --- | 345 return (1); /* XXX unused */ 346} 347 348/* 349 * Initialize floating point unit. 350 */ 351void 352npxinit(control) --- 215 unchanged lines hidden --- |