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Try to emulate the svr4 setpsr trap. Needed by lwp.

This commit is contained in:
christos 2000-04-09 05:25:37 +00:00
parent d9b15587d5
commit d1ea7c73a4
1 changed files with 5 additions and 2 deletions
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7
sys/arch/sparc/sparc/svr4_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: svr4_machdep.c,v 1.35 1999/11/12 20:45:46 kleink Exp $ */
/* $NetBSD: svr4_machdep.c,v 1.36 2000/04/09 05:25:37 christos Exp $ */
/*-
* Copyright (c) 1994 The NetBSD Foundation, Inc.
@ -555,7 +555,10 @@ svr4_trap(type, p)
break;
case T_SVR4_SETPSR:
uprintf("T_SVR4_SETPSR\n");
/* I have no clue if this is right! */
#define PRESERVE_PSR (PSR_IMPL|PSR_VER|PSR_PIL|PSR_S|PSR_PS|PSR_ET|PSR_CWP)
tf->tf_psr = (tf->tf_psr & ~PRESERVE_PSR) |
(tf->tf_out[0] & PRESERVE_PSR);
break;
case T_SVR4_GETHRTIME: