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Diffstat (limited to 'tools/ioemu/include/cpu/cpu.h')
| -rw-r--r-- | tools/ioemu/include/cpu/cpu.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/tools/ioemu/include/cpu/cpu.h b/tools/ioemu/include/cpu/cpu.h new file mode 100644 index 0000000000..0627ee385e --- /dev/null +++ b/tools/ioemu/include/cpu/cpu.h @@ -0,0 +1,116 @@ +///////////////////////////////////////////////////////////////////////// +// $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 |