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/////////////////////////////////////////////////////////////////////////
// $Id: cpu.h,v 1.155 2003/12/30 22:12:45 cbothamy Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// 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
#ifndef BX_CPU_H
# define BX_CPU_H 1
#include <setjmp.h>
#ifdef BX_USE_VMX
extern "C" {
#include <io/ioreq.h>
}
#endif
#if BX_SUPPORT_APIC
#define BX_CPU_INTR (BX_CPU_THIS_PTR INTR || BX_CPU_THIS_PTR local_apic.INTR)
#else
#define BX_CPU_INTR BX_CPU_THIS_PTR INTR
#endif
class BX_CPU_C;
class BX_MEM_C;
#if BX_USE_CPU_SMF == 0
// normal member functions. This can ONLY be used within BX_CPU_C classes.
// Anyone on the outside should use the BX_CPU macro (defined in bochs.h)
// instead.
# define BX_CPU_THIS_PTR this->
# define BX_CPU_THIS this
# define BX_SMF
# define BX_CPU_C_PREFIX BX_CPU_C::
// with normal member functions, calling a member fn pointer looks like
// object->*(fnptr)(arg, ...);
// Since this is different from when SMF=1, encapsulate it in a macro.
# define BX_CPU_CALL_METHOD(func, args) \
(this->*((BxExecutePtr_t) (func))) args
# define BX_CPU_CALL_METHODR(func, args) \
(this->*((BxExecutePtr_tR) (func))) args
#else
// static member functions. With SMF, there is only one CPU by definition.
# define BX_CPU_THIS_PTR BX_CPU(0)->
# define BX_CPU_THIS BX_CPU(0)
# define BX_SMF static
# define BX_CPU_C_PREFIX
# define BX_CPU_CALL_METHOD(func, args) \
((BxExecutePtr_t) (func)) args
# define BX_CPU_CALL_METHODR(func, args) \
((BxExecutePtr_tR) (func)) args
#endif
#if BX_SMP_PROCESSORS==1
// single processor simulation, so there's one of everything
BOCHSAPI extern BX_CPU_C bx_cpu;
#else
// multiprocessor simulation, we need an array of cpus and memories
BOCHSAPI extern BX_CPU_C *bx_cpu_array[BX_SMP_PROCESSORS];
#endif
class BOCHSAPI BX_CPU_C : public logfunctions {
public: // for now...
volatile bx_bool async_event;
volatile bx_bool INTR;
volatile bx_bool kill_bochs_request;
// constructors & destructors...
BX_CPU_C();
~BX_CPU_C(void);
void init (BX_MEM_C *addrspace);
void interrupt(Bit8u vector);
BX_SMF void pagingA20Changed(void);
BX_SMF void reset(unsigned source);
BX_SMF void set_INTR(bx_bool value);
BX_SMF void atexit(void);
// now for some ancillary functions...
void cpu_loop(Bit32s max_instr_count);
#ifdef BX_USE_VMX
ioreq_t* __get_ioreq(void);
ioreq_t* get_ioreq(void);
void dispatch_ioreq(ioreq_t *req);
void handle_ioreq();
void timer_handler();
int send_event;
#endif
};
#endif // #ifndef BX_CPU_H
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