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initialize all fpu registers and don't panic on user 'privileged action'

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This commit is contained in:
petrov 2001-12-12 19:14:47 +00:00
parent 3ed67fc0c4
commit aaee6a1839
1 changed files with 7 additions and 1 deletions
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8
sys/arch/sparc64/sparc64/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.74 2001/09/22 00:59:30 mrg Exp $ */
/* $NetBSD: trap.c,v 1.75 2001/12/12 19:14:47 petrov Exp $ */
/*
* Copyright (c) 1996
@ -174,6 +174,8 @@ int trapdebug = 0/*|TDB_SYSCALL|TDB_STOPSIG|TDB_STOPCPIO|TDB_ADDFLT|TDB_FOLLOW*/
__asm(".align 64");
struct fpstate64 initfpstate = {
{ ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0,
~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0,
~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0,
~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0 }
};
@ -709,6 +711,10 @@ badtrap:
trapsignal(p, SIGILL, 0); /* XXX code?? */
break;
case T_PRIVACT:
trapsignal(p, SIGILL, 0);
break;
case T_FPDISABLED: {
struct fpstate64 *fs = p->p_md.md_fpstate;