diff options
Diffstat (limited to 'src/dev/x86/pc.cc')
| -rw-r--r-- | src/dev/x86/pc.cc | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/dev/x86/pc.cc b/src/dev/x86/pc.cc index 148ba92f7..0881672d2 100644 --- a/src/dev/x86/pc.cc +++ b/src/dev/x86/pc.cc @@ -1,5 +1,5 @@ /* - * Copyright (c) 2004-2005 The Regents of The University of Michigan + * Copyright (c) 2008 The Regents of The University of Michigan * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -37,6 +37,7 @@ #include <vector> #include "arch/x86/x86_traits.hh" +#include "dev/intel_8254_timer.hh" #include "cpu/intr_control.hh" #include "dev/simconsole.hh" #include "dev/x86/pc.hh" @@ -48,10 +49,25 @@ using namespace TheISA; PC::PC(const Params *p) : Platform(p), system(p->system) { + southBridge = NULL; // set the back pointer from the system to myself system->platform = this; } +void +PC::init() +{ + assert(southBridge); + Intel8254Timer & timer = southBridge->pit.pit; + //Timer 0, mode 2, no bcd, 16 bit count + timer.writeControl(0x34); + //Timer 0, latch command + timer.writeControl(0x00); + //Write a 16 bit count of 0 + timer.counter0.write(0); + timer.counter0.write(0); +} + Tick PC::intrFrequency() { |