| trap.c (70861) | trap.c (71257) |
|---|---|
| 1/*- 2 * Copyright (C) 1994, David Greenman 3 * Copyright (c) 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the University of Utah, and William Jolitz. 8 * --- 21 unchanged lines hidden (view full) --- 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: @(#)trap.c 7.4 (Berkeley) 5/13/91 | 1/*- 2 * Copyright (C) 1994, David Greenman 3 * Copyright (c) 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the University of Utah, and William Jolitz. 8 * --- 21 unchanged lines hidden (view full) --- 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: @(#)trap.c 7.4 (Berkeley) 5/13/91 |
| 38 * $FreeBSD: head/sys/i386/i386/trap.c 70861 2001-01-10 04:43:51Z jake $ | 38 * $FreeBSD: head/sys/i386/i386/trap.c 71257 2001-01-19 13:19:02Z peter $ |
| 39 */ 40 41/* 42 * 386 Trap and System call handling 43 */ 44 | 39 */ 40 41/* 42 * 386 Trap and System call handling 43 */ 44 |
| 45#include "opt_clock.h" |
|
| 45#include "opt_cpu.h" 46#include "opt_ddb.h" 47#include "opt_ktrace.h" | 46#include "opt_cpu.h" 47#include "opt_ddb.h" 48#include "opt_ktrace.h" |
| 48#include "opt_clock.h" | 49#include "opt_npx.h" |
| 49#include "opt_trap.h" 50 51#include <sys/param.h> 52#include <sys/bus.h> 53#include <sys/systm.h> 54#include <sys/proc.h> 55#include <sys/pioctl.h> 56#include <sys/ipl.h> --- 36 unchanged lines hidden (view full) --- 93#include <machine/clock.h> 94#endif 95 96#include <machine/vm86.h> 97 98#include <ddb/ddb.h> 99 100#include "isa.h" | 50#include "opt_trap.h" 51 52#include <sys/param.h> 53#include <sys/bus.h> 54#include <sys/systm.h> 55#include <sys/proc.h> 56#include <sys/pioctl.h> 57#include <sys/ipl.h> --- 36 unchanged lines hidden (view full) --- 94#include <machine/clock.h> 95#endif 96 97#include <machine/vm86.h> 98 99#include <ddb/ddb.h> 100 101#include "isa.h" |
| 101#include "npx.h" | |
| 102 103#include <sys/sysctl.h> 104 105int (*pmath_emulate) __P((struct trapframe *)); 106 107extern void trap __P((struct trapframe frame)); 108extern int trapwrite __P((unsigned addr)); 109extern void syscall2 __P((struct trapframe frame)); --- 294 unchanged lines hidden (view full) --- 404 break; 405 406 case T_BOUND: /* bounds check fault */ 407 ucode = FPE_FLTSUB; 408 i = SIGFPE; 409 break; 410 411 case T_DNA: | 102 103#include <sys/sysctl.h> 104 105int (*pmath_emulate) __P((struct trapframe *)); 106 107extern void trap __P((struct trapframe frame)); 108extern int trapwrite __P((unsigned addr)); 109extern void syscall2 __P((struct trapframe frame)); --- 294 unchanged lines hidden (view full) --- 404 break; 405 406 case T_BOUND: /* bounds check fault */ 407 ucode = FPE_FLTSUB; 408 i = SIGFPE; 409 break; 410 411 case T_DNA: |
| 412#if NNPX > 0 | 412#ifdef DEV_NPX |
| 413 /* transparent fault (due to context switch "late") */ 414 if (npxdna()) 415 goto out; 416#endif 417 if (!pmath_emulate) { 418 i = SIGFPE; 419 ucode = FPE_FPU_NP_TRAP; 420 break; --- 17 unchanged lines hidden (view full) --- 438 /* kernel trap */ 439 440 switch (type) { 441 case T_PAGEFLT: /* page fault */ 442 (void) trap_pfault(&frame, FALSE, eva); 443 goto out; 444 445 case T_DNA: | 413 /* transparent fault (due to context switch "late") */ 414 if (npxdna()) 415 goto out; 416#endif 417 if (!pmath_emulate) { 418 i = SIGFPE; 419 ucode = FPE_FPU_NP_TRAP; 420 break; --- 17 unchanged lines hidden (view full) --- 438 /* kernel trap */ 439 440 switch (type) { 441 case T_PAGEFLT: /* page fault */ 442 (void) trap_pfault(&frame, FALSE, eva); 443 goto out; 444 445 case T_DNA: |
| 446#if NNPX > 0 | 446#ifdef DEV_NPX |
| 447 /* 448 * The kernel is apparently using npx for copying. 449 * XXX this should be fatal unless the kernel has 450 * registered such use. 451 */ 452 if (npxdna()) 453 goto out; 454#endif --- 857 unchanged lines hidden --- | 447 /* 448 * The kernel is apparently using npx for copying. 449 * XXX this should be fatal unless the kernel has 450 * registered such use. 451 */ 452 if (npxdna()) 453 goto out; 454#endif --- 857 unchanged lines hidden --- |