Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't disable EA_DIRECT in fpu_load_ea(), which seems disabled

Browse Source 
accidentally in rev 1.11 about six years ago, otherwise
fmovel %dN,%fpN instructions cause unexpected memory access.
This commit is contained in:
tsutsui 2007-03-09 16:33:27 +00:00
parent 369fa66d6e
commit 2a92ad0d7f
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sys/arch/m68k/fpe/fpu_calcea.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: fpu_calcea.c,v 1.17 2005/12/11 12:17:52 christos Exp $ */
/* $NetBSD: fpu_calcea.c,v 1.18 2007/03/09 16:33:27 tsutsui Exp $ */
/*
* Copyright (c) 1995 Gordon W. Ross
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fpu_calcea.c,v 1.17 2005/12/11 12:17:52 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: fpu_calcea.c,v 1.18 2007/03/09 16:33:27 tsutsui Exp $");
#include <sys/param.h>
#include <sys/signal.h>
@ -371,7 +371,9 @@ fpu_load_ea(frame, insn, ea, dst)
ea->ea_moffs += step;
}
/* That's it, folks */
} else if (ea->ea_flags & EA_DIRECT) {
} else
#endif
if (ea->ea_flags & EA_DIRECT) {
if (len > 4) {
#ifdef DEBUG
printf("load_ea: operand doesn't fit CPU reg\n");
@ -396,9 +398,7 @@ fpu_load_ea(frame, insn, ea, dst)
printf("load_ea: src %p\n", src);
#endif
memcpy(dst, src, len);
} else
#endif
if (ea->ea_flags & EA_IMMED) {
} else if (ea->ea_flags & EA_IMMED) {
#ifdef DEBUG_FPE
printf("load_ea: immed %08x%08x%08x size %d\n",
ea->ea_immed[0], ea->ea_immed[1], ea->ea_immed[2], len);