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/*
* plex86: run multiple x86 operating systems concurrently
* Copyright (C) 1999-2001 Kevin P. Lawton
*
* instrument-mon.c: Some instrumentation logic for the VM.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "plex86.h"
#define IN_MONITOR_SPACE
#include "monitor.h"
#ifdef DoInstrEmulateOpcode
// xxx Not multiple-VM compatible. Needs to be in vm-> for that.
static struct {
unsigned standard[512];
unsigned groups[NumGroups][8];
} emulateOpcodeFrequency;
void
instrEmulateOpcode(vm_t *vm)
{
if ( vm->i.attr & GroupN ) {
unsigned group;
group = GetGroupIndex(vm->i.attr);
emulateOpcodeFrequency.groups[group][vm->i.nnn]++;
}
else {
emulateOpcodeFrequency.standard[vm->i.b1]++;
}
}
void
instrReset(vm_t *vm)
{
mon_memzero(&emulateOpcodeFrequency, sizeof(emulateOpcodeFrequency));
}
void
instrPrint(vm_t *vm)
{
unsigned i, nnn, g;
for (i=0; i<512; i++)
if (emulateOpcodeFrequency.standard[i])
monprint(vm, "OPF[%x]: %u\n", i, emulateOpcodeFrequency.standard[i]);
for (g=0; g<NumGroups; g++)
for (nnn=0; nnn<8; nnn++)
if (emulateOpcodeFrequency.groups[g][nnn])
monprint(vm, "OPF G%u[%x]: %u\n", g, nnn,
emulateOpcodeFrequency.groups[g][nnn]);
}
#endif
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