Bochs/bochs/config.h.in

//  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

//
// config.h.in is distributed in the source TAR file.  When you run
// the configure script, it generates config.h with some changes
// according to your build environment.  For example, in config.h.in,
// SIZEOF_UNSIGNED_CHAR is set to 0.  When configure produces config.h
// it will change "0" to the detected value for your system.
// 
// config.h contains ONLY preprocessor #defines and a few typedefs.
// It must be included by both C and C++ files, so it must not
// contain anything language dependent such as a class declaration.
//

#ifdef _BX_CONFIG_H_
#else
#define _BX_CONFIG_H_ 1

///////////////////////////////////////////////////////////////////
// USER CONFIGURABLE OPTIONS : EDIT ONLY OPTIONS IN THIS SECTION //
///////////////////////////////////////////////////////////////////

// I rebuilt the code which provides timers to IO devices.
// Setting this to 1 will introduce a little code which
// will panic out if cases which shouldn't happen occur.
// Set this to 0 for optimal performance.
#define BX_TIMER_DEBUG 1

// Settable A20 line.  For efficiency, you can disable
// having a settable A20 line, eliminating conditional
// code for every physical memory access.  You'll have
// to tell your software not to mess with the A20 line,
// and accept it as always being on if you change this.
//   1 = use settable A20 line. (normal)
//   0 = A20 is like the rest of the address lines

#define BX_SUPPORT_A20 1

// Processor Instructions Per Second
// To find out what value to use for the 'ips' directive
// in your '.bochsrc' file, set BX_SHOW_IPS to 1, and
// run the software in bochs you plan to use most.  Bochs
// will print out periodic IPS ratings.  This will change
// based on the processor mode at the time, and various
// other factors.  You'll get a reasonable estimate though.
// When you're done, reset BX_SHOW_IPS to 0, do a
// 'make all-clean', then 'make' again.

#define BX_SHOW_IPS         0


#if (BX_SHOW_IPS) && defined(__MINGW32__)
#define        SIGALRM         14
#endif

// Paging Options:
// ---------------
// Support Paging mechanism.
//   0 = don't support paging at all (DOS & Minix don't require it)
//   1 = support paging.  (Most other OS's require paging)
// Use Translation Lookaside Buffer (TLB) for caching
// paging translations.  This will make paging mode
// more efficient.  If you're OS doesn't use paging,
// then you won't need either.
//   1 = Use a TLB for effiency
//   0 = don't use a TLB, walk the page tables for every access
// BX_TLB_SIZE: Number of entries in TLB
// BX_TLB_INDEX_OF(lpf): This macro is passed the linear page frame
//   (top 20 bits of the linear address.  It must map these bits to
//   one of the TLB cache slots, given the size of BX_TLB_SIZE.
//   There will be a many-to-one mapping to each TLB cache slot.
//   When there are collisions, the old entry is overwritten with
//   one for the newest access.

#define BX_SUPPORT_PAGING     1
#define BX_USE_TLB 1

#define BX_TLB_SIZE 1024
#define BX_TLB_INDEX_OF(lpf) (((lpf) & 0x003ff000) >> 12)


// Use Static Member Funtions to eliminate 'this' pointer passing
// If you want the efficiency of 'C', you can make all the
// members of the C++ CPU class to be static.

#define BX_USE_SMF 1


// Compile in support for DMA & FLOPPY IO.  You'll need this
// if you plan to use the floppy drive emulation.  But if
// you're environment doesn't require it, you can change
// it to 0.

#define BX_DMA_FLOPPY_IO 1


// Default number of Megs of memory to emulate.  The
// 'megs:' directive in the '.bochsrc' file overrides this,
// allowing per-run settings.

#define BX_DEFAULT_MEM_MEGS 4


//
// x86 hardware tasking.  There is some tasking support now.
// I'm trying to get Linux to boot.  The default for this
// is now 1, but if you don't need x86 tasking (DOS, Win'95),
// then set this to 0.
//

#define BX_SUPPORT_TASKING    1


// CPU level emulation.  Default level is set in
// the configure script.  BX_CPU_LEVEL defines the CPU level
// to emulate.  BX_CPU_LEVEL_HACKED is a hack to define the
// level of some integer instructions, so they can be tested
// before the rest of the emulation is up to that level.

#define BX_CPU_LEVEL 0
#define BX_CPU_LEVEL_HACKED 0


// Virtual 8086 mode emulation.
//   1 = compile in support for v8086 mode.
//   0 = don't compile in support for v8086 mode.

#define BX_SUPPORT_V8086_MODE 1

// Support shadowing of ROM from C0000 to FFFFF.
// This allows that region to be written to.
#define BX_SHADOW_RAM 0

// Number of CMOS registers
#define BX_NUM_CMOS_REGS 64
//#define BX_NUM_CMOS_REGS 128


// Use static member functions in IO DEVice emulation modules.
// For efficiency, use C like functions for IO handling,
// and declare a device instance at compile time,
// instead of using 'new' and storing the pointer.  This
// eliminates some overhead, especially for high-use IO
// devices like the disk drive.
//   1 = Use static member efficiency (normal)
//   0 = Use nonstatic member functions (use only if you need
//       multiple instances of a device class

#define BX_USE_HD_SMF   1  // Hard drive
#define BX_USE_CMOS_SMF 1  // CMOS
#define BX_USE_DMA_SMF  1  // DMA
#define BX_USE_FD_SMF   1  // Floppy
#define BX_USE_KEY_SMF  1  // Keyboard
#define BX_USE_PAR_SMF  1  // Parallel
#define BX_USE_PIC_SMF  1  // PIC
#define BX_USE_PIT_SMF  1  // PIT
#define BX_USE_SER_SMF  1  // Serial
#define BX_USE_UM_SMF   1  // Unmapped
#define BX_USE_VGA_SMF  1  // VGA
#define BX_USE_SB16_SMF 1  // Sound (SB 16)
#define BX_USE_DEV_SMF  1  // System Devices (port92)
#define BX_USE_PCI_SMF  1  // PCI

#define BX_SUPPORT_SB16 0

#if BX_SUPPORT_SB16
// Use virtual methods for the sound output functions
#define BX_USE_SOUND_VIRTUAL  1
// Determines which sound output class is to be used.
// Currently the following are available:
//    bx_sound_linux_c      Output for Linux, to /dev/dsp and /dev/midi00
//    bx_sound_windows_c    Output for Windows midi and wave mappers
//    bx_sound_output_c     Dummy functions, no output
#define BX_SOUND_OUTPUT_C  bx_sound_output_c
#endif

#define BX_USE_SPECIFIED_TIME0 0

// This enables writing to port 0xe9 and the output
// is sent to the console.  Reading from port 0xe9
// will return 0xe9 to let you know this is available.
// Leave this 0 unless you have a reason to use it.
#define BX_PORT_E9_HACK 0

// This option enables "split hard drive" support, which means
// that a series of partial hard disk images can be treated
// as a single large image.  If you set up the partition sizes and
// file sizes correctly, this allows you to store each partition
// in a separate file, which is very convenient if you want to operate
// on a single partition (e.g. mount with loopback, create filesystem,
// fsck, etc.).
// [[Provide example of partitioning]]
#define BX_SPLIT_HD_SUPPORT 0


// =================================================================
// BEGIN: OPTIONAL DEBUGGER SECTION
//
// These options are only used if you compile in support for the
// native command line debugging environment.  Typically, the debugger
// is not used, and this section can be ignored.
// =================================================================

#define BX_MAX_DIRTY_PAGE_TABLE_MEGS 64

// Compile in support for virtual/linear/physical breakpoints.
// Set to 1, only those you need.  Recommend using only linear
// breakpoints, unless you need others.  Less supported means
// slightly faster execution time.
#define BX_DBG_SUPPORT_VIR_BPOINT 1
#define BX_DBG_SUPPORT_LIN_BPOINT 1
#define BX_DBG_SUPPORT_PHY_BPOINT 1

// You need only define one initial breakpoint into each
// cpu simulator (emulator) here.  Each simulator sets callbacks
// and variables which the debugger uses from then on.
#define BX_SIM1_INIT bx_dbg_init_cpu_mem_env0
#ifndef BX_SIM2_INIT
#define BX_SIM2_INIT bx_dbg_init_cpu_mem_env1
#endif
//#define BX_SIM2_INIT sim2_init

// max number of virtual/linear/physical breakpoints handled
#define BX_DBG_MAX_VIR_BPOINTS 10
#define BX_DBG_MAX_LIN_BPOINTS 10
#define BX_DBG_MAX_PHY_BPOINTS 10

// max file pathname size for debugger commands
#define BX_MAX_PATH     256
// max nesting level for debug scripts including other scripts
#define BX_INFILE_DEPTH  10
// use this command to include (nest) debug scripts
#define BX_INCLUDE_CMD   "source"

// Use either 32 or 64 bit instruction counter for
// debugger purposes.  Uncomment one of these.
//#define BX_DBG_ICOUNT_SIZE   32
#define BX_DBG_ICOUNT_SIZE   64

// Make a call to command line debugger extensions.  If set to 1,
// a call is made.  An external routine has a chance to process
// the command.  If it does, than the debugger ignores the command.
#define BX_DBG_EXTENSIONS 0

// =================================================================
// END: OPTIONAL DEBUGGER SECTION
// =================================================================


//////////////////////////////////////////////////////////////////////
// END OF USER CONFIGURABLE OPTIONS : DON'T EDIT ANYTHING BELOW !!! //
// THIS IS GENERATED BY THE ./configure SCRIPT                      //
//////////////////////////////////////////////////////////////////////


#define BX_WITH_X11 0
#define BX_WITH_BEOS 0
#define BX_WITH_WIN32 0
#define BX_WITH_MACOS 0
#define BX_WITH_NOGUI 0
#define BX_WITH_TERM 0


#define WORDS_BIGENDIAN 0

#define SIZEOF_UNSIGNED_CHAR      0
#define SIZEOF_UNSIGNED_SHORT     0
#define SIZEOF_UNSIGNED_INT       0
#define SIZEOF_UNSIGNED_LONG      0
#define SIZEOF_UNSIGNED_LONG_LONG 0
#define SIZEOF_INT_P              0

#define BX_64BIT_CONSTANTS_USE_LL 1
#if BX_64BIT_CONSTANTS_USE_LL
// doesn't work on Microsoft Visual C++, maybe others
#define BX_CONST64(x)  (x##LL)
#else
#define BX_CONST64(x)  (x)
#endif

#if BX_WITH_WIN32
  typedef unsigned char      Bit8u;
  typedef   signed char      Bit8s;
  typedef unsigned short     Bit16u;
  typedef   signed short     Bit16s;
  typedef unsigned int       Bit32u;
  typedef   signed int       Bit32s;
#ifdef __MINGW32__
  typedef unsigned long long Bit64u;
  typedef   signed long long Bit64s;
#else
  typedef unsigned __int64   Bit64u;
  typedef   signed __int64   Bit64s;
#endif
#elif BX_WITH_MACOS
  typedef unsigned char      Bit8u;
  typedef   signed char      Bit8s;
  typedef unsigned short     Bit16u;
  typedef   signed short     Bit16s;
  typedef unsigned int       Bit32u;
  typedef   signed int       Bit32s;
  typedef unsigned long long Bit64u;
  typedef   signed long long Bit64s;
#else  // #if BX_WITH_WIN32

// Unix like platforms

#if SIZEOF_UNSIGNED_CHAR != 1
#  error "sizeof (unsigned char) != 1"
#else
  typedef unsigned char Bit8u;
  typedef   signed char Bit8s;
#endif

#if SIZEOF_UNSIGNED_SHORT != 2
#  error "sizeof (unsigned short) != 2"
#else
  typedef unsigned short Bit16u;
  typedef   signed short Bit16s;
#endif

#if SIZEOF_UNSIGNED_INT == 4
  typedef unsigned int Bit32u;
  typedef   signed int Bit32s;
#elif SIZEOF_UNSIGNED_LONG == 4
  typedef unsigned long Bit32u;
  typedef   signed long Bit32s;
#else
#  error "can't find sizeof(type) of 4 bytes!"
#endif

#if SIZEOF_UNSIGNED_LONG == 8
  typedef unsigned long Bit64u;
  typedef   signed long Bit64s;
#elif SIZEOF_UNSIGNED_LONG_LONG == 8
  typedef unsigned long long Bit64u;
  typedef   signed long long Bit64s;
#else
#  error "can't find data type of 8 bytes"
#endif

#endif // BX_WITH_WIN32


// create an unsigned integer type that is the same size as a pointer.
// You can typecast a pointer to a bx_pr_equiv_t without losing any 
// bits (and without getting the compiler excited).  This is used in
// the FPU emulation code, where pointers and integers are often 
// used interchangeably.
#if SIZEOF_INT_P == 4
  typedef Bit32u bx_ptr_equiv_t;
#elif SIZEOF_INT_P == 8
  typedef Bit64u bx_ptr_equiv_t;
#else
#  error "could not define bx_ptr_equiv_t to size of int*"
#endif


#if BX_WITH_MACOS == 0
typedef unsigned int Boolean;
#endif

#if BX_WITH_MACOS
#  define bx_ptr_t char *
#else
#  define bx_ptr_t void *
#endif

#if BX_WITH_WIN32
#  define BX_LITTLE_ENDIAN
#elif BX_WITH_MACOS
#  define BX_BIG_ENDIAN
#else
#if WORDS_BIGENDIAN
#  define BX_BIG_ENDIAN
#else
#  define BX_LITTLE_ENDIAN
#endif
#endif // BX_WITH_WIN32

// for now only term.cc requires a GUI sighandler.
#define BX_GUI_SIGHANDLER (BX_WITH_TERM)

#define HAVE_SIGACTION 1

// configure will change the definition of "inline" to the value
// that the C compiler allows.  It tests the following keywords to
// see if any is permitted: inline, __inline__, __inline.  If none
// is permitted, it defines inline to be empty.
#define inline inline

// inline functions in headers that are compiled with C compiler
// (e.g. fpu code) are declared with BX_C_INLINE macro.  Note that
// the word "inline" itself may now be redefined by the above #define.
// Many compilers are known to work with "static inline".  If the 
// compiler can put the function inline, it does so and never creates
// a symbol for the function.  If optimization is off, or inline is
// defined to be empty, the static keyword causes the function to create
// a symbol that's visible only to that .c file.  Each .c file that 
// includes the header will produde another local version of the 
// BX_C_INLINE function (not ideal).  However without "static" you can
// duplicate symbol problems which are even worse.
#define BX_C_INLINE static inline

// Use BX_CPP_INLINE for all C++ inline functions.  Note that the
// word "inline" itself may now be redefined by the above #define.
#define BX_CPP_INLINE inline

#define BX_DEBUGGER 0
#define BX_DISASM   0

#define BX_PROVIDE_CPU_MEMORY    1
#define BX_PROVIDE_DEVICE_MODELS 1
#define BX_PROVIDE_BIOS_HOOKS    1

#define BX_EMULATE_HGA_DUMPS 0

#define BX_SUPPORT_VGA        1

#define BX_PROVIDE_MAIN       1

#define BX_INSTRUMENTATION    0

#define BX_USE_LOADER    0

// for debugger, CPU simulator handle ID
//   0 is the default, for using only one CPU simulator
//   1 is for the 2nd CPU simulator
#define BX_SIM_ID    0
#define BX_NUM_SIMULATORS 1

// limited i440FX PCI support
#define BX_PCI_SUPPORT 0

// dynamic translation (future: not supported yet)
#define BX_DYNAMIC_TRANSLATION 0
#define BX_DYNAMIC_CPU_I386    0
#define BX_DYNAMIC_CPU_SPARC   0

#define BX_SUPPORT_FPU 0

#define BX_HAVE_SELECT 0
#define BX_HAVE_SNPRINTF 0
#define BX_HAVE_STRTOULL 0
#define BX_HAVE_STRTOUQ 0
#define BX_HAVE_STRDUP 0

// set if your compiler does not permit an empty struct
#define BX_NO_EMPTY_STRUCTS 0

// set if your compiler does not understand __attribute__ after a struct
#define BX_NO_ATTRIBUTES 0
#if BX_NO_ATTRIBUTES
#define GCC_ATTRIBUTE(x) /* attribute not supported */
#else
#define GCC_ATTRIBUTE __attribute__
#endif

// set if your compiler does not allow label at the end of a {} block
#define BX_NO_BLANK_LABELS 0

// set if you don't have <hash_map.h>, used in debug/dbg_main.c
#define BX_HAVE_HASH_MAP 0

// Support x86 hardware debugger registers and facilites.
// These are the debug facilites offered by the x86 architecture,
// not the optional built-in debugger.
#define BX_X86_DEBUGGER 0

#define BX_SUPPORT_CDROM 0

#if BX_SUPPORT_CDROM
   // This is the C++ class name to use if we are supporting
   // low-level CDROM.
#  define LOWLEVEL_CDROM cdrom_interface
#endif

#endif  // _BX_CONFIG_H