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Add emulation traps.

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This commit is contained in:
leo 1995-05-28 19:33:13 +00:00
parent b88f1c35c4
commit 04246ac4f8
1 changed files with 28 additions and 5 deletions
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33
sys/arch/atari/atari/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.7 1995/05/21 10:50:41 leo Exp $ */
/* $NetBSD: trap.c,v 1.8 1995/05/28 19:33:13 leo Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -511,7 +511,6 @@ trap(type, code, v, frame)
ucode = frame.f_format;
i = SIGFPE;
break;
#ifdef FPCOPROC
/*
* User coprocessor violation
*/
@ -536,12 +535,36 @@ trap(type, code, v, frame)
ucode = code;
i = SIGFPE;
break;
/*
* FPU faults in supervisor mode.
*/
case T_FPEMULI:
case T_FPEMULD: {
extern int *nofault;
if (nofault) /* If we're probing. */
longjmp((label_t *) nofault);
panictrap(type, code, v, &frame);
}
/*
* Unimplemented FPU instructions/datatypes.
*/
case T_FPEMULI|T_USER:
case T_FPEMULD|T_USER:
#ifdef FPU_EMULATE
i = fpu_emulate(&frame, &p->p_addr->u_pcb.pcb_fpregs);
/* XXX -- deal with tracing? (frame.f_sr & PSL_T) */
#else
uprintf("pid %d killed: no floating point support.\n",
p->p_pid);
i = SIGILL;
#endif
break;
/*
* Kernel coprocessor violation
*/
case T_COPERR:
/*FALLTHROUGH*/
#endif
/*
* Kernel format error
*/
@ -574,8 +597,8 @@ trap(type, code, v, frame)
* SUN 3.x traps get passed through as T_TRAP15 and are not really
* supported yet.
*/
case T_TRACE:
case T_TRAP15:
case T_TRACE:
case T_TRAP15:
frame.f_sr &= ~PSL_T;
i = SIGTRAP;
break;