/*
JPC: An x86 PC Hardware Emulator for a pure Java Virtual Machine
Copyright (C) 2012-2013 Ian Preston
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as published by
the Free Software Foundation.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Details (including contact information) can be found at:
jpc.sourceforge.net
or the developer website
sourceforge.net/projects/jpc/
End of licence header
*/
package org.jpc.emulator.execution.decoder;
import org.jpc.emulator.processor.*;
import org.jpc.emulator.execution.*;
import org.jpc.emulator.memory.*;
public class Lock extends Executable
{
Executable exec;
public Lock(int blockStart, Executable parent, Instruction in)
{
super(blockStart, in);
this.exec = parent;
}
public Lock(int blockStart, int eip, Executable parent)
{
super(blockStart, eip);
this.exec = parent;
}
public Branch execute(Processor cpu)
{
cpu.lock(0);
Branch b = exec.execute(cpu);
cpu.unlock(0);
return b;
}
public boolean isBranch()
{
return exec.isBranch();
}
public void configure(Instruction i)
{}
}