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Clear segment registers when interrupting a v86 task

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1489
This commit is contained in:
Sjoerd van der Berg 2003-12-12 17:23:55 +00:00
parent a7b5694f5e
commit f6f780f108
1 changed files with 9 additions and 8 deletions
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17
src/cpu/cpu.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: cpu.cpp,v 1.42 2003-12-11 21:32:55 finsterr Exp $ */
/* $Id: cpu.cpp,v 1.43 2003-12-12 17:23:55 harekiet Exp $ */
#include <assert.h>
#include "dosbox.h"
@ -387,15 +387,13 @@ bool CPU_Interrupt(Bitu num,Bitu type) {
}
if (gate.Type() & 0x8) { /* 32-bit Gate */
if (reg_flags & FLAG_VM) {
SegSet16(fs,0xffff);
CPU_Push32(SegValue(gs));
CPU_Push32(SegValue(fs));
CPU_Push32(SegValue(ds));
CPU_Push32(SegValue(es));
CPU_Push32(SegValue(gs));SegSet16(gs,0x0);
CPU_Push32(SegValue(fs));SegSet16(fs,0x0);
CPU_Push32(SegValue(ds));SegSet16(ds,0x0);
CPU_Push32(SegValue(es));SegSet16(es,0x0);
}
CPU_Push32(o_ss);
CPU_Push32(o_esp);
} else { /* 16-bit Gate */
if (reg_flags & FLAG_VM) E_Exit("V86 to 16-bit gate");
CPU_Push16(o_ss);
@ -1175,7 +1173,10 @@ static Bits HLT_Decode(void) {
}
bool CPU_HLT(void) {
if (cpu.cpl) return true;
if (cpu.cpl) {
CPU_SetupException(13,0);
return true;
}
CPU_Cycles=0;
cpu.hlt.cs=SegValue(cs);
cpu.hlt.eip=reg_eip;