config.h.in

   1 //  Copyright (C) 2001  MandrakeSoft S.A.
   2 //
   3 //    MandrakeSoft S.A.
   4 //    43, rue d'Aboukir
   5 //    75002 Paris - France
   6 //    http://www.linux-mandrake.com/
   7 //    http://www.mandrakesoft.com/
   8 //
   9 //  This library is free software; you can redistribute it and/or
  10 //  modify it under the terms of the GNU Lesser General Public
  11 //  License as published by the Free Software Foundation; either
  12 //  version 2 of the License, or (at your option) any later version.
  13 //
  14 //  This library is distributed in the hope that it will be useful,
  15 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 //  Lesser General Public License for more details.
  18 //
  19 //  You should have received a copy of the GNU Lesser General Public
  20 //  License along with this library; if not, write to the Free Software
  21 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22
  23 //
  24 // config.h.in is distributed in the source TAR file.  When you run
  25 // the configure script, it generates config.h with some changes
  26 // according to your build environment.  For example, in config.h.in,
  27 // SIZEOF_UNSIGNED_CHAR is set to 0.  When configure produces config.h
  28 // it will change "0" to the detected value for your system.
  29 //
  30 // config.h contains ONLY preprocessor #defines and a few typedefs.
  31 // It must be included by both C and C++ files, so it must not
  32 // contain anything language dependent such as a class declaration.
  33 //
  34
  35 #ifndef _BX_CONFIG_H_
  36 #define _BX_CONFIG_H_ 1
  37
  38 ///////////////////////////////////////////////////////////////////
  39 // USER CONFIGURABLE OPTIONS : EDIT ONLY OPTIONS IN THIS SECTION //
  40 ///////////////////////////////////////////////////////////////////
  41
  42
  43 #if 1
  44 // quit_sim is defined in gui/siminterface.h
  45 #define BX_EXIT(x)  SIM->quit_sim (x)
  46 #else
  47 // provide the real main and the usual exit.
  48 #define BX_EXIT(x)  ::exit(x)
  49 #endif
  50
  51 // We have tested the following combinations:
  52 //  * processors=1, bootstrap=0, ioapic_id=1   (uniprocessor system)
  53 //  * processors=2, bootstrap=0, ioapic_id=2
  54 //  * processors=4, bootstrap=0, ioapic_id=4
  55 #define BX_SUPPORT_SMP 0
  56 #define BX_BOOTSTRAP_PROCESSOR 0
  57 #define BX_MAX_SMP_THREADS_SUPPORTED 8
  58
  59 // include in APIC models, required for a multiprocessor system.
  60 #define BX_SUPPORT_APIC 0
  61
  62 #if (BX_SUPPORT_SMP && !BX_SUPPORT_APIC)
  63 #error For multiprocessor simulation, BX_SUPPORT_APIC is required.
  64 #endif
  65
  66 // if simulating Linux, this provides a few more debugging options
  67 // such as tracing all system calls.
  68 #define BX_DEBUG_LINUX 0
  69
  70 // adds support for the GNU readline library in the debugger command
  71 // prompt.
  72 #define HAVE_LIBREADLINE 0
  73 #define HAVE_READLINE_HISTORY_H 0
  74
  75 // Define to 1 if you have <locale.h>
  76 #define HAVE_LOCALE_H 0
  77
  78 // I rebuilt the code which provides timers to IO devices.
  79 // Setting this to 1 will introduce a little code which
  80 // will panic out if cases which shouldn't happen occur.
  81 // Set this to 0 for optimal performance.
  82 #define BX_TIMER_DEBUG 0
  83
  84 // Settable A20 line.  For efficiency, you can disable
  85 // having a settable A20 line, eliminating conditional
  86 // code for every physical memory access.  You'll have
  87 // to tell your software not to mess with the A20 line,
  88 // and accept it as always being on if you change this.
  89 //   1 = use settable A20 line. (normal)
  90 //   0 = A20 is like the rest of the address lines
  91
  92 #define BX_SUPPORT_A20 1
  93
  94 // Processor Instructions Per Second
  95 // To find out what value to use for the 'ips' directive
  96 // in your '.bochsrc' file, set BX_SHOW_IPS to 1, and
  97 // run the software in bochs you plan to use most.  Bochs
  98 // will print out periodic IPS ratings.  This will change
  99 // based on the processor mode at the time, and various
 100 // other factors.  You'll get a reasonable estimate though.
 101 // When you're done, reset BX_SHOW_IPS to 0, do a
 102 // 'make all-clean', then 'make' again.
 103
 104 #define BX_SHOW_IPS         0
 105
 106
 107 #if (BX_SHOW_IPS) && (defined(__MINGW32__) || defined(_MSC_VER))
 108 #define        SIGALRM         14
 109 #endif
 110
 111 // Paging Options:
 112 // ---------------
 113 // Support Paging mechanism.
 114 //   0 = don't support paging at all (DOS & Minix don't require it)
 115 //   1 = support paging.  (Most other OS's require paging)
 116 // Use Translation Lookaside Buffer (TLB) for caching
 117 // paging translations.  This will make paging mode
 118 // more efficient.  If you're OS doesn't use paging,
 119 // then you won't need either.
 120 //   1 = Use a TLB for effiency
 121 //   0 = don't use a TLB, walk the page tables for every access
 122 // BX_TLB_SIZE: Number of entries in TLB
 123 // BX_TLB_INDEX_OF(lpf): This macro is passed the linear page frame
 124 //   (top 20 bits of the linear address.  It must map these bits to
 125 //   one of the TLB cache slots, given the size of BX_TLB_SIZE.
 126 //   There will be a many-to-one mapping to each TLB cache slot.
 127 //   When there are collisions, the old entry is overwritten with
 128 //   one for the newest access.
 129
 130 #define BX_USE_TLB 1
 131
 132 #define BX_TLB_SIZE 1024
 133 #define BX_TLB_MASK ((BX_TLB_SIZE-1) << 12)
 134 #define BX_TLB_INDEX_OF(lpf) ((((unsigned)(lpf)) & BX_TLB_MASK) >> 12)
 135
 136 // Compile in support for DMA & FLOPPY IO.  You'll need this
 137 // if you plan to use the floppy drive emulation.  But if
 138 // you're environment doesn't require it, you can change
 139 // it to 0.
 140
 141 #define BX_DMA_FLOPPY_IO 1
 142
 143 // Default number of Megs of memory to emulate.  The
 144 // 'megs:' directive in the '.bochsrc' file overrides this,
 145 // allowing per-run settings.
 146
 147 #define BX_DEFAULT_MEM_MEGS 32
 148
 149 // CPU level emulation.  Default level is set in
 150 // the configure script.  BX_CPU_LEVEL defines the CPU level
 151 // to emulate.  BX_CPU_LEVEL_HACKED is a hack to define the
 152 // level of some instructions, so they can be tested before
 153 // the rest of the emulation is up to that level.
 154
 155 #define BX_CPU_LEVEL 0
 156 #define BX_CPU_LEVEL_HACKED 0
 157
 158 // emulate x86-64 instruction set?
 159 #define BX_SUPPORT_X86_64 0
 160
 161 #define BX_HAVE_SLEEP 0
 162 #define BX_HAVE_MSLEEP 0
 163 #define BX_HAVE_USLEEP 0
 164 #define BX_HAVE_NANOSLEEP 0
 165 #define BX_HAVE_ABORT 0
 166 #define BX_HAVE_SOCKLEN_T 0
 167 #define BX_HAVE_SOCKADDR_IN_SIN_LEN 0
 168 #define BX_HAVE_GETTIMEOFDAY 0
 169 #if defined(WIN32)
 170 #define BX_HAVE_REALTIME_USEC 1
 171 #else
 172 #define BX_HAVE_REALTIME_USEC (BX_HAVE_GETTIMEOFDAY)
 173 #endif
 174 #define BX_HAVE_MKSTEMP 0
 175 #define BX_HAVE_SYS_MMAN_H 0
 176 #define BX_HAVE_XPM_H 0
 177 #define BX_HAVE_TIMELOCAL 0
 178 #define BX_HAVE_GMTIME 0
 179 #define BX_HAVE_MKTIME 0
 180 #define BX_HAVE_NET_IF_H 0
 181
 182 // This turns on Roland Mainz's idle hack.  Presently it is specific to the X11
 183 // and term gui. If people try to enable it elsewhere, give a compile error
 184 // after the gui definition so that they don't waste their time trying.
 185 #define BX_USE_IDLE_HACK 0
 186
 187 // Minimum Emulated IPS.
 188 // This is used in the realtime PIT as well as for checking the
 189 // IPS value set in the config file.
 190 #define BX_MIN_IPS 200000
 191
 192 // Minimum and maximum values for SMP quantum variable. Defines
 193 // how many instructions each CPU could execute execute in one
 194 // shot (one cpu_loop call)
 195 #define BX_SMP_QUANTUM_MIN  1
 196 #define BX_SMP_QUANTUM_MAX 16
 197
 198 // Use Static Member Funtions to eliminate 'this' pointer passing
 199 // If you want the efficiency of 'C', you can make all the
 200 // members of the C++ CPU class to be static.
 201 // This defaults to 1 since it should improve performance, but when
 202 // SMP mode is enabled, it will be turned off by configure.
 203 #define BX_USE_CPU_SMF 1
 204
 205 #define BX_USE_MEM_SMF 1
 206
 207 // Use static member functions in IO DEVice emulation modules.
 208 // For efficiency, use C like functions for IO handling,
 209 // and declare a device instance at compile time,
 210 // instead of using 'new' and storing the pointer.  This
 211 // eliminates some overhead, especially for high-use IO
 212 // devices like the disk drive.
 213 //   1 = Use static member efficiency (normal)
 214 //   0 = Use nonstatic member functions (use only if you need
 215 //       multiple instances of a device class
 216
 217 #define BX_USE_HD_SMF       1  // Hard drive
 218 #define BX_USE_BIOS_SMF     1  // BIOS
 219 #define BX_USE_CMOS_SMF     1  // CMOS
 220 #define BX_USE_DMA_SMF      1  // DMA
 221 #define BX_USE_FD_SMF       1  // Floppy
 222 #define BX_USE_KEY_SMF      1  // Keyboard
 223 #define BX_USE_PAR_SMF      1  // Parallel
 224 #define BX_USE_PIC_SMF      1  // PIC
 225 #define BX_USE_PIT_SMF      1  // PIT
 226 #define BX_USE_SER_SMF      1  // Serial
 227 #define BX_USE_UM_SMF       1  // Unmapped
 228 #define BX_USE_VGA_SMF      1  // VGA
 229 #define BX_USE_SB16_SMF     1  // Sound (SB 16)
 230 #define BX_USE_DEV_SMF      1  // System Devices (port92)
 231 #define BX_USE_PCI_SMF      1  // PCI
 232 #define BX_USE_P2I_SMF      1  // PCI-to-ISA bridge
 233 #define BX_USE_PIDE_SMF     1  // PCI-IDE
 234 #define BX_USE_PCIVGA_SMF   1  // PCI-VGA
 235 #define BX_USE_PCIDEV_SMF   1  // PCI-DEV
 236 #define BX_USE_PCIUSB_SMF   1  // USB hub
 237 #define BX_USE_PCIPNIC_SMF  1  // PCI pseudo NIC
 238 #define BX_USE_NE2K_SMF     1  // NE2K
 239 #define BX_USE_EFI_SMF      1  // External FPU IRQ
 240 #define BX_USE_GAMEPORT_SMF 1  // Gameport
 241 #define BX_USE_CIRRUS_SMF   1  // SVGA Cirrus
 242 #define BX_USE_BUSM_SMF     1  // Bus Mouse
 243 #define BX_USE_ACPI_SMF     1  // ACPI
 244
 245 #define BX_PLUGINS  0
 246 #define BX_HAVE_DLFCN_H 0
 247
 248 #if BX_PLUGINS && \
 249   (   !BX_USE_HD_SMF || !BX_USE_BIOS_SMF || !BX_USE_CMOS_SMF \
 250    || !BX_USE_DMA_SMF || !BX_USE_FD_SMF || !BX_USE_KEY_SMF \
 251    || !BX_USE_PAR_SMF || !BX_USE_PIC_SMF || !BX_USE_PIT_SMF \
 252    || !BX_USE_SER_SMF || !BX_USE_UM_SMF || !BX_USE_VGA_SMF \
 253    || !BX_USE_SB16_SMF || !BX_USE_DEV_SMF || !BX_USE_PCI_SMF \
 254    || !BX_USE_P2I_SMF || !BX_USE_PCIVGA_SMF || !BX_USE_PCIUSB_SMF \
 255    || !BX_USE_PCIPNIC_SMF || !BX_USE_PIDE_SMF || !BX_USE_ACPI_SMF \
 256    || !BX_USE_NE2K_SMF || !BX_USE_EFI_SMF || !BX_USE_GAMEPORT_SMF \
 257    || !BX_USE_PCIDEV_SMF || !BX_USE_CIRRUS_SMF)
 258 #error You must use SMF to have plugins
 259 #endif
 260
 261 #define BX_SUPPORT_SB16     0
 262 #define BX_SUPPORT_GAMEPORT 0
 263
 264 #if BX_SUPPORT_SB16
 265 // Use virtual methods for the sound output functions
 266 #define BX_USE_SOUND_VIRTUAL  1
 267 // Determines which sound output class is to be used.
 268 // Currently the following are available:
 269 //    bx_sound_linux_c      Output for Linux, to /dev/dsp and /dev/midi00
 270 //    bx_sound_windows_c    Output for Windows midi and wave mappers
 271 //    bx_sound_output_c     Dummy functions, no output
 272 #define BX_SOUND_OUTPUT_C  bx_sound_output_c
 273 #endif
 274
 275 #define USE_RAW_SERIAL 0
 276
 277 // This enables writing to port 0xe9 and the output
 278 // is sent to the console.  Reading from port 0xe9
 279 // will return 0xe9 to let you know this is available.
 280 // Leave this 0 unless you have a reason to use it.
 281 #define BX_PORT_E9_HACK 0
 282
 283 #define BX_GDBSTUB 0
 284
 285 // This option enables compressed (zlib) hd support
 286 #define BX_COMPRESSED_HD_SUPPORT 0
 287 #define BX_HAVE_ZLIB 0
 288
 289 #if BX_COMPRESSED_HD_SUPPORT && !BX_HAVE_ZLIB
 290 #error You must have zlib to enable compressed hd support
 291 #endif
 292
 293 // This option defines the number of supported ATA channels.
 294 // There are up to two drives per ATA channel.
 295 #define BX_MAX_ATA_CHANNEL 4
 296
 297 #if (BX_MAX_ATA_CHANNEL>4 || BX_MAX_ATA_CHANNEL<1)
 298 #  error "BX_MAX_ATA_CHANNEL should be between 1 and 4"
 299 #endif
 300
 301 // =================================================================
 302 // BEGIN: OPTIONAL DEBUGGER SECTION
 303 //
 304 // These options are only used if you compile in support for the
 305 // native command line debugging environment.  Typically, the debugger
 306 // is not used, and this section can be ignored.
 307 // =================================================================
 308
 309 // Compile in support for virtual/linear/physical breakpoints.
 310 // Enable only those you need. Recommend using only linear
 311 // breakpoints, unless you need others. Less supported means
 312 // slightly faster execution time.
 313 #define BX_DBG_MAX_VIR_BPOINTS 10
 314 #define BX_DBG_MAX_LIN_BPOINTS 10
 315 #define BX_DBG_MAX_PHY_BPOINTS 10
 316
 317 // max file pathname size for debugger commands
 318 #define BX_MAX_PATH     256
 319 // max nesting level for debug scripts including other scripts
 320 #define BX_INFILE_DEPTH  10
 321 // use this command to include (nest) debug scripts
 322 #define BX_INCLUDE_CMD   "source"
 323
 324 // Make a call to command line debugger extensions.  If set to 1,
 325 // a call is made.  An external routine has a chance to process
 326 // the command.  If it does, than the debugger ignores the command.
 327 #define BX_DBG_EXTENSIONS 0
 328
 329 // =================================================================
 330 // END: OPTIONAL DEBUGGER SECTION
 331 // =================================================================
 332
 333 //////////////////////////////////////////////////////////////////////
 334 // END OF USER CONFIGURABLE OPTIONS : DON'T EDIT ANYTHING BELOW !!! //
 335 // THIS IS GENERATED BY THE ./configure SCRIPT                      //
 336 //////////////////////////////////////////////////////////////////////
 337
 338
 339 #define BX_WITH_X11 0
 340 #define BX_WITH_BEOS 0
 341 #define BX_WITH_WIN32 0
 342 #define BX_WITH_MACOS 0
 343 #define BX_WITH_CARBON 0
 344 #define BX_WITH_NOGUI 0
 345 #define BX_WITH_TERM 0
 346 #define BX_WITH_RFB 0
 347 #define BX_WITH_AMIGAOS 0
 348 #define BX_WITH_SDL 0
 349 #define BX_WITH_SVGA 0
 350 #define BX_WITH_WX 0
 351
 352 // BX_USE_TEXTCONFIG should be set to 1 unless Bochs is compiled
 353 // for wxWidgets only.
 354 #define BX_USE_TEXTCONFIG 1
 355
 356 // add special export symbols for win32 DLL building.  The main code must
 357 // have __declspec(dllexport) on variables, functions, or classes that the
 358 // plugins can access.  The plugins should #define PLUGGABLE which will
 359 // activate the __declspec(dllimport) instead.
 360 #if defined(WIN32) || defined(__CYGWIN__)
 361 #  if BX_PLUGINS && defined(BX_PLUGGABLE)
 362 //   #warning I will import DLL symbols from Bochs main program.
 363 #    define BOCHSAPI __declspec(dllimport)
 364 #  elif BX_PLUGINS
 365 //   #warning I will export DLL symbols.
 366 #    define BOCHSAPI __declspec(dllexport)
 367 #  endif
 368 #endif
 369 #ifndef BOCHSAPI
 370 #  define BOCHSAPI
 371 #endif
 372
 373 #if defined(__CYGWIN__)
 374 // Make BOCHSAPI_CYGONLY exactly the same as BOCHSAPI.  This symbol
 375 // will be used for any cases where Cygwin requires a special tag
 376 // but VC++ does not.
 377 #define BOCHSAPI_CYGONLY BOCHSAPI
 378 #else
 379 // define the symbol to be empty
 380 #define BOCHSAPI_CYGONLY /*empty*/
 381 #endif
 382
 383 #if defined(_MSC_VER)
 384 // Make BOCHSAPI_MSVCONLY exactly the same as BOCHSAPI.  This symbol
 385 // will be used for any cases where VC++ requires a special tag
 386 // but Cygwin does not.
 387 #define BOCHSAPI_MSVCONLY BOCHSAPI
 388 #else
 389 // define the symbol to be empty
 390 #define BOCHSAPI_MSVCONLY /*empty*/
 391 #endif
 392
 393 #define BX_DEFAULT_CONFIG_INTERFACE "defined_by_configure"
 394 #define BX_DEFAULT_DISPLAY_LIBRARY "defined_by_configure"
 395
 396 // Roland Mainz's idle hack is presently specific to X11. If people try to
 397 // enable it elsewhere, give a compile error so that they don't waste their
 398 // time trying.
 399 #if (BX_USE_IDLE_HACK && !BX_WITH_X11 && !BX_WITH_TERM)
 400 #  error IDLE_HACK will only work with the X11 or term gui. Correct configure args and retry.
 401 #endif
 402
 403 #define WORDS_BIGENDIAN 0
 404
 405 #define SIZEOF_UNSIGNED_CHAR      0
 406 #define SIZEOF_UNSIGNED_SHORT     0
 407 #define SIZEOF_UNSIGNED_INT       0
 408 #define SIZEOF_UNSIGNED_LONG      0
 409 #define SIZEOF_UNSIGNED_LONG_LONG 0
 410 #define SIZEOF_INT_P              0
 411
 412 #define BX_64BIT_CONSTANTS_USE_LL 1
 413 #if BX_64BIT_CONSTANTS_USE_LL
 414 // doesn't work on Microsoft Visual C++, maybe others
 415 #define BX_CONST64(x)  (x##LL)
 416 #else
 417 #define BX_CONST64(x)  (x)
 418 #endif
 419
 420 #if defined(WIN32)
 421   typedef unsigned char      Bit8u;
 422   typedef   signed char      Bit8s;
 423   typedef unsigned short     Bit16u;
 424   typedef   signed short     Bit16s;
 425   typedef unsigned int       Bit32u;
 426   typedef   signed int       Bit32s;
 427 #ifdef __MINGW32__
 428   typedef unsigned long long Bit64u;
 429   typedef   signed long long Bit64s;
 430 #include <sys/types.h>
 431 #else
 432   typedef unsigned __int64   Bit64u;
 433   typedef   signed __int64   Bit64s;
 434 #endif
 435 #elif BX_WITH_MACOS
 436   typedef unsigned char      Bit8u;
 437   typedef   signed char      Bit8s;
 438   typedef unsigned short     Bit16u;
 439   typedef   signed short     Bit16s;
 440   typedef unsigned int       Bit32u;
 441   typedef   signed int       Bit32s;
 442   typedef unsigned long long Bit64u;
 443   typedef   signed long long Bit64s;
 444 #else
 445
 446 // Unix like platforms
 447
 448 #if SIZEOF_UNSIGNED_CHAR != 1
 449 #  error "sizeof (unsigned char) != 1"
 450 #else
 451   typedef unsigned char Bit8u;
 452   typedef   signed char Bit8s;
 453 #endif
 454
 455 #if SIZEOF_UNSIGNED_SHORT != 2
 456 #  error "sizeof (unsigned short) != 2"
 457 #else
 458   typedef unsigned short Bit16u;
 459   typedef   signed short Bit16s;
 460 #endif
 461
 462 #if SIZEOF_UNSIGNED_INT == 4
 463   typedef unsigned int Bit32u;
 464   typedef   signed int Bit32s;
 465 #elif SIZEOF_UNSIGNED_LONG == 4
 466   typedef unsigned long Bit32u;
 467   typedef   signed long Bit32s;
 468 #else
 469 #  error "can't find sizeof(type) of 4 bytes!"
 470 #endif
 471
 472 #if SIZEOF_UNSIGNED_LONG == 8
 473   typedef unsigned long Bit64u;
 474   typedef   signed long Bit64s;
 475 #elif SIZEOF_UNSIGNED_LONG_LONG == 8
 476   typedef unsigned long long Bit64u;
 477   typedef   signed long long Bit64s;
 478 #else
 479 #  error "can't find data type of 8 bytes"
 480 #endif
 481
 482 #endif
 483
 484 #define GET32L(val64) ((Bit32u)(((Bit64u)(val64)) & 0xFFFFFFFF))
 485 #define GET32H(val64) ((Bit32u)(((Bit64u)(val64)) >> 32))
 486
 487 // now that Bit32u and Bit64u exist, defined bx_address
 488 #if BX_SUPPORT_X86_64
 489 typedef Bit64u bx_address;
 490 #else
 491 typedef Bit32u bx_address;
 492 #endif
 493
 494 // define physical and linear address types
 495 typedef Bit32u     bx_phy_address;
 496 typedef bx_address bx_lin_address;
 497
 498 #define BX_PHY_ADDRESS_WIDTH 32
 499 #if BX_SUPPORT_X86_64
 500 #define BX_LIN_ADDRESS_WIDTH 48
 501 #else
 502 #define BX_LIN_ADDRESS_WIDTH 32
 503 #endif
 504
 505 // technically, in an 8 bit signed the real minimum is -128, not -127.
 506 // But if you decide to negate -128 you tend to get -128 again, so it's
 507 // better not to use the absolute maximum in the signed range.
 508 #define BX_MAX_BIT64U ( (Bit64u) -1           )
 509 #define BX_MIN_BIT64U ( 0                     )
 510 #define BX_MAX_BIT64S ( ((Bit64u) -1) >> 1    )
 511 #define BX_MIN_BIT64S ( (Bit64s)-(((Bit64u) -1) >> 1) )
 512 #define BX_MAX_BIT32U ( (Bit32u) -1           )
 513 #define BX_MIN_BIT32U ( 0                     )
 514 #define BX_MAX_BIT32S ( ((Bit32u) -1) >> 1    )
 515 #define BX_MIN_BIT32S ( (Bit32s)-(((Bit32u) -1) >> 1) )
 516 #define BX_MAX_BIT16U ( (Bit16u) -1           )
 517 #define BX_MIN_BIT16U ( 0                     )
 518 #define BX_MAX_BIT16S ( ((Bit16u) -1) >> 1    )
 519 #define BX_MIN_BIT16S ( (Bit16s)-(((Bit16u) -1) >> 1) )
 520 #define BX_MAX_BIT8U  ( (Bit8u) -1            )
 521 #define BX_MIN_BIT8U  ( 0                     )
 522 #define BX_MAX_BIT8S  ( ((Bit8u) -1) >> 1     )
 523 #define BX_MIN_BIT8S  ( (Bit8s)-(((Bit8u) -1) >> 1)  )
 524
 525
 526 // create an unsigned integer type that is the same size as a pointer.
 527 // You can typecast a pointer to a bx_pr_equiv_t without losing any
 528 // bits (and without getting the compiler excited).  This is used in
 529 // the FPU emulation code, where pointers and integers are often
 530 // used interchangeably.
 531 #if SIZEOF_INT_P == 4
 532   typedef Bit32u bx_ptr_equiv_t;
 533 #elif SIZEOF_INT_P == 8
 534   typedef Bit64u bx_ptr_equiv_t;
 535 #else
 536 #  error "could not define bx_ptr_equiv_t to size of int*"
 537 #endif
 538
 539 // Use a boolean type that will not conflict with the builtin type
 540 // on any system.
 541 typedef Bit32u bx_bool;
 542
 543 #if BX_WITH_MACOS
 544 #  define bx_ptr_t char *
 545 #else
 546 #  define bx_ptr_t void *
 547 #endif
 548
 549 #if defined(WIN32)
 550 #  define BX_LITTLE_ENDIAN
 551 #elif BX_WITH_MACOS
 552 #  define BX_BIG_ENDIAN
 553 #else
 554 #if WORDS_BIGENDIAN
 555 #  define BX_BIG_ENDIAN
 556 #else
 557 #  define BX_LITTLE_ENDIAN
 558 #endif
 559 #endif // defined(WIN32)
 560
 561
 562 #if BX_SUPPORT_X86_64
 563 #ifdef BX_LITTLE_ENDIAN
 564 typedef
 565   struct {
 566          Bit64u lo;
 567          Bit64u hi;
 568          } Bit128u;
 569 typedef
 570   struct {
 571          Bit64u lo;
 572          Bit64s hi;
 573          } Bit128s;
 574 #else   // must be Big Endian
 575 typedef
 576   struct {
 577          Bit64u hi;
 578          Bit64u lo;
 579          } Bit128u;
 580 typedef
 581   struct {
 582          Bit64s hi;
 583          Bit64u lo;
 584          } Bit128s;
 585 #endif
 586 #endif  // #if BX_SUPPORT_X86_64
 587
 588
 589 // for now only term.cc requires a GUI sighandler.
 590 #define BX_GUI_SIGHANDLER (BX_WITH_TERM)
 591
 592 #define HAVE_SIGACTION 1
 593
 594 // configure will change the definition of "inline" to the value
 595 // that the C compiler allows.  It tests the following keywords to
 596 // see if any is permitted: inline, __inline__, __inline.  If none
 597 // is permitted, it defines inline to be empty.
 598 #define inline inline
 599
 600 // inline functions in headers that are compiled with C compiler
 601 // (e.g. fpu code) are declared with BX_C_INLINE macro.  Note that
 602 // the word "inline" itself may now be redefined by the above #define.
 603 // Many compilers are known to work with "static inline".  If the
 604 // compiler can put the function inline, it does so and never creates
 605 // a symbol for the function.  If optimization is off, or inline is
 606 // defined to be empty, the static keyword causes the function to create
 607 // a symbol that's visible only to that .c file.  Each .c file that
 608 // includes the header will produde another local version of the
 609 // BX_C_INLINE function (not ideal).  However without "static" you can
 610 // duplicate symbol problems which are even worse.
 611 #define BX_C_INLINE static inline
 612
 613 // Use BX_CPP_INLINE for all C++ inline functions.  Note that the
 614 // word "inline" itself may now be redefined by the above #define.
 615 #define BX_CPP_INLINE inline
 616
 617 #ifdef __GNUC__
 618
 619 // Some helpful compiler hints for compilers that allow them; GCC for now.
 620 //
 621 // BX_CPP_AlignN(n):
 622 //   Align a construct on an n-byte boundary.
 623 //
 624 // BX_CPP_AttrPrintf(formatArg, firstArg):
 625 //   This function takes printf-like arguments, so the compiler can check
 626 //   the consistency of the format string and the matching arguments.
 627 //   'formatArg' is the parameter number (starting from 1) of the format
 628 //   string argument.  'firstArg' is the parameter number of the 1st argument
 629 //   to check against the string argument.  NOTE: For non-static member
 630 //   functions, the this-ptr is argument number 1 but is invisible on
 631 //   the function prototype declaration - but you still have to count it.
 632 //
 633 // BX_CPP_AttrNoReturn():
 634 //   This function never returns.  The compiler can optimize-out following
 635 //   code accordingly.
 636
 637 #define BX_CPP_AlignN(n) __attribute__ ((aligned (n)))
 638 #define BX_CPP_AttrPrintf(formatArg, firstArg) \
 639                           __attribute__ ((format (printf, formatArg, firstArg)))
 640 #define BX_CPP_AttrNoReturn() __attribute__ ((noreturn))
 641
 642 #else
 643
 644 #define BX_CPP_AlignN(n) /* Not supported. */
 645 #define BX_CPP_AttrPrintf(formatArg, firstArg)  /* Not supported. */
 646 #define BX_CPP_AttrNoReturn() /* Not supported. */
 647
 648 #endif
 649
 650 #define BX_DEBUGGER 0
 651 #define BX_DISASM   0
 652
 653 #if (BX_DEBUGGER == 1) && (BX_DISASM == 0)
 654 #error Dissembler is required for BX_DEBUGGER !
 655 #endif
 656
 657 #define BX_PROVIDE_CPU_MEMORY    1
 658 #define BX_PROVIDE_DEVICE_MODELS 1
 659
 660 #define BX_PROVIDE_MAIN       1
 661
 662 #define BX_INSTRUMENTATION    0
 663
 664 // enable BX_DEBUG/BX_ERROR/BX_INFO messages
 665 #define BX_NO_LOGGING 0
 666
 667 // limited i440FX PCI support
 668 #define BX_SUPPORT_PCI 0
 669
 670 // Bochs VBE display interface
 671 #define BX_SUPPORT_VBE 0
 672
 673 // CLGD54XX emulation
 674 #define BX_SUPPORT_CLGD54XX 0
 675
 676 // CLGD54XX PCI emulation
 677 #define BX_SUPPORT_CLGD54XX_PCI 0
 678
 679 #if (BX_SUPPORT_CLGD54XX_PCI && !BX_SUPPORT_PCI)
 680 #error To enable CL-GD54xx PCI support, you must also enable PCI
 681 #endif
 682
 683 // ACPI controller
 684 #define BX_SUPPORT_ACPI 0
 685
 686 #if (BX_SUPPORT_ACPI && !BX_SUPPORT_PCI)
 687 #error To enable ACPI support, you must also enable PCI
 688 #endif
 689
 690 // Experimental VGA on PCI
 691 #define BX_SUPPORT_PCIVGA 0
 692
 693 // Experimental host PCI device mapping
 694 #define BX_SUPPORT_PCIDEV 0
 695
 696 #if (BX_SUPPORT_PCIDEV && !BX_SUPPORT_PCI)
 697 #error To enable PCI host device mapping, you must also enable PCI
 698 #endif
 699
 700 // limited USB on PCI
 701 #define BX_SUPPORT_PCIUSB 0
 702
 703 #if (BX_SUPPORT_PCIUSB && !BX_SUPPORT_PCI)
 704 #error To enable USB, you must also enable PCI
 705 #endif
 706
 707 #define BX_SUPPORT_BUSMOUSE 0
 708
 709 #define BX_SUPPORT_V8086_MODE 1
 710 #define BX_SUPPORT_ALIGNMENT_CHECK 0
 711 #define BX_SUPPORT_FPU 0
 712 #define BX_SUPPORT_MMX 0
 713 #define BX_SUPPORT_3DNOW 0
 714 #define BX_SUPPORT_SSE 0
 715 #define BX_SUPPORT_SSE_EXTENSION 0
 716 #define BX_SUPPORT_DAZ 0
 717 #define BX_SUPPORT_MISALIGNED_SSE 0
 718 #define BX_SUPPORT_SEP 0
 719 #define BX_SUPPORT_VME 0
 720 #define BX_SUPPORT_POPCNT 0
 721 #define BX_SUPPORT_MONITOR_MWAIT 0
 722 #define BX_SUPPORT_MTRR 0
 723
 724 #define BX_SUPPORT_LARGE_PAGES 0
 725 #define BX_SUPPORT_GLOBAL_PAGES 0
 726 #define BX_SUPPORT_PAE 0
 727
 728 #define BX_SupportGuest2HostTLB 0
 729 #define BX_SupportRepeatSpeedups 0
 730 #define BX_SupportHostAsms 0
 731
 732 #define BX_SUPPORT_ICACHE 0
 733
 734 // if 1, don't do gpf on MSRs that we don't implement
 735 #define BX_IGNORE_BAD_MSR 0
 736
 737 // CLFLUSH was introduced together with SSE2 instruction set
 738 #if BX_SUPPORT_SSE >= 2
 739   #define BX_SUPPORT_CLFLUSH 1
 740 #else
 741   #define BX_SUPPORT_CLFLUSH 0
 742 #endif
 743
 744 #if (BX_SUPPORT_ALIGNMENT_CHECK && BX_CPU_LEVEL < 4)
 745 #error Alignment exception check is not supported in i386 !
 746 #endif
 747
 748 #if (BX_SUPPORT_VME && BX_CPU_LEVEL < 5)
 749 #error With CPU level < 5, you must disable v8086 mode extensions !
 750 #endif
 751
 752 #if (BX_SUPPORT_VME && !BX_SUPPORT_V8086_MODE)
 753 #error You must enable v8086 mode support to use v8086 mode extensions !
 754 #endif
 755
 756 #if (BX_SUPPORT_MMX && BX_CPU_LEVEL < 5)
 757 #error With CPU level < 5, you must disable MMX support !
 758 #endif
 759
 760 #if (!BX_SUPPORT_FPU && BX_CPU_LEVEL >= 5)
 761 #error With CPU level >= 5, you must enable FPU support !
 762 #endif
 763
 764 #if (BX_SUPPORT_MMX && !BX_SUPPORT_FPU)
 765 #error "MMX cannot be compiled without FPU support !"
 766 #endif
 767
 768 #if (BX_SUPPORT_FPU && BX_CPU_LEVEL < 3)
 769 #error "FPU cannot be compiled without cpu level >= 3 !"
 770 #endif
 771
 772 #if (BX_SUPPORT_3DNOW && !BX_SUPPORT_MMX)
 773 #error "3DNow! cannot be compiled without MMX support !"
 774 #endif
 775
 776 #if (BX_SUPPORT_SSE && !BX_SUPPORT_MMX)
 777 #error "SSE cannot be compiled without FPU+MMX support !"
 778 #endif
 779
 780 #if (BX_CPU_LEVEL<6 && BX_SUPPORT_SSE)
 781 #error "SSE is only supported with CPU_LEVEL >= 6 !"
 782 #endif
 783
 784 #if (BX_CPU_LEVEL<6 && BX_SUPPORT_SEP)
 785 #error "SYSENTER/SYSEXIT only supported with CPU_LEVEL >= 6 !"
 786 #endif
 787
 788 #if (BX_CPU_LEVEL<6 && BX_SUPPORT_PAE)
 789 #error "Physical Address Extensions (PAE) only supported with CPU_LEVEL >= 6 !"
 790 #endif
 791 #if (BX_CPU_LEVEL<6 && BX_SUPPORT_GLOBAL_PAGES)
 792 #error "Page Global Extension (PGE) only supported with CPU_LEVEL >= 6 !"
 793 #endif
 794 #if (BX_CPU_LEVEL<5 && BX_SUPPORT_LARGE_PAGES)
 795 #error "Page Size Extension (PSE) only supported with CPU_LEVEL >= 5 !"
 796 #endif
 797 #if (BX_CPU_LEVEL<6 && BX_SUPPORT_MTRR)
 798 #error "MTRRs only supported with CPU_LEVEL >= 6 !"
 799 #endif
 800
 801 #if (BX_SUPPORT_PAE && !BX_SUPPORT_LARGE_PAGES)
 802 #error "Physical Address Extensions (PAE) requires large pages support !"
 803 #endif
 804
 805 #if BX_SUPPORT_X86_64
 806 // Sanity checks to ensure that you cannot accidently use conflicting options.
 807
 808 #if BX_CPU_LEVEL < 6
 809 #error "X86-64 requires cpu level 6 or greater !"
 810 #endif
 811 #if (BX_SUPPORT_SSE<2)
 812 #error "X86-64 requires SSE2 !"
 813 #endif
 814 #if !BX_SUPPORT_PAE
 815 #error "X86-64 requires Physical Address Extensions (PAE) !"
 816 #endif
 817 #if !BX_SUPPORT_GLOBAL_PAGES
 818 #error "X86-64 requires Page Global Extension (PGE) !"
 819 #endif
 820 #if !BX_SUPPORT_LARGE_PAGES
 821 #error "X86-64 requires Page Size Extension (PSE) !"
 822 #endif
 823 #endif
 824
 825 #define BX_HAVE_GETENV 0
 826 #define BX_HAVE_SETENV 0
 827 #define BX_HAVE_SELECT 0
 828 #define BX_HAVE_SNPRINTF 0
 829 #define BX_HAVE_VSNPRINTF 0
 830 #define BX_HAVE_STRTOULL 0
 831 #define BX_HAVE_STRTOUQ 0
 832 #define BX_HAVE_STRDUP 0
 833 #define BX_HAVE_STRREV 0
 834 #define BX_HAVE_STRUCT_TIMEVAL 0
 835
 836 // used in term gui
 837 #define BX_HAVE_COLOR_SET 0
 838 #define BX_HAVE_MVHLINE 0
 839 #define BX_HAVE_MVVLINE 0
 840
 841
 842 // set if your compiler does not permit an empty struct
 843 #define BX_NO_EMPTY_STRUCTS 0
 844
 845 // set if your compiler does not understand __attribute__ after a struct
 846 #define BX_NO_ATTRIBUTES 0
 847 #if BX_NO_ATTRIBUTES
 848 #define GCC_ATTRIBUTE(x) /* attribute not supported */
 849 #else
 850 #define GCC_ATTRIBUTE __attribute__
 851 #endif
 852
 853 // set to use fast function calls
 854 #define BX_FAST_FUNC_CALL 0
 855
 856 // On gcc2.95+ x86 only
 857 #if BX_FAST_FUNC_CALL && defined(__i386__) && defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
 858 #if BX_USE_CPU_SMF == 1
 859 #  define BX_CPP_AttrRegparmN(X) __attribute__((regparm(X)))
 860 #else
 861 // FIXME: BX_FAST_FUNC_CALL doesn't work with BX_USE_CPU_SMF = 0
 862 #  define BX_CPP_AttrRegparmN(X) /* Not defined */
 863 #endif
 864 #else
 865 #  define BX_CPP_AttrRegparmN(X) /* Not defined */
 866 #endif
 867
 868 // set if your compiler does not allow label at the end of a {} block
 869 #define BX_NO_BLANK_LABELS 0
 870
 871 // set if you do have <hash_map>, used in bx_debug/dbg_main.c
 872 #define BX_HAVE_HASH_MAP 0
 873
 874 // set if you do have <hash_map.h>, used in bx_debug/dbg_main.c
 875 #define BX_HAVE_HASH_MAP_H 0
 876
 877 // set if you do have <set>, used in bx_debug/dbg_main.c
 878 #define BX_HAVE_SET 0
 879
 880 // set if you do have <set.h>, used in bx_debug/dbg_main.c
 881 #define BX_HAVE_SET_H 0
 882
 883 // Support x86 hardware debugger registers and facilites.
 884 // These are the debug facilites offered by the x86 architecture,
 885 // not the optional built-in debugger.
 886 #define BX_X86_DEBUGGER 0
 887
 888 #define BX_SUPPORT_CDROM 0
 889
 890 #if BX_SUPPORT_CDROM
 891    // This is the C++ class name to use if we are supporting
 892    // low-level CDROM.
 893 #  define LOWLEVEL_CDROM cdrom_interface
 894 #endif
 895
 896 // NE2K network emulation
 897 #define BX_SUPPORT_NE2K 0
 898
 899 // Pseudo PCI NIC
 900 #define BX_SUPPORT_PCIPNIC 0
 901
 902 #if (BX_SUPPORT_PCIPNIC && !BX_SUPPORT_PCI)
 903 #error To enable the PCI pseudo NIC, you must also enable PCI
 904 #endif
 905
 906 // this enables the lowlevel stuff below if one of the NICs is present
 907 #define BX_NETWORKING 0
 908
 909 #define BX_ETH_NULL_LOGGING 1
 910 #define BX_ETH_FBSD_LOGGING 1
 911
 912 // determine which NE2K packet mover modules will be enabled
 913 // (this was moved from iodev/eth.h)
 914 #define ETH_NULL  1
 915 #ifdef BX_USE_ETH_ARPBACK
 916 #  define ETH_ARPBACK 1
 917 #endif
 918 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__NetBSD_kernel__) || defined(__APPLE__)
 919 #define ETH_FBSD  1
 920 #endif
 921 #if defined(linux)
 922 #define ETH_LINUX 1
 923 #endif
 924 #if defined(WIN32)
 925 #define ETH_WIN32 1
 926 #endif
 927
 928 // this enables Ethertap packet mover; determined by configure script
 929 #define HAVE_ETHERTAP 0
 930
 931 // this enables TUN/TAP packet mover; determined by configure script
 932 #define HAVE_TUNTAP 0
 933
 934 // this enables VDE packet mover; determined by configure script
 935 #define HAVE_VDE 0
 936
 937
 938 // I/O Interface to debug
 939 #define BX_SUPPORT_IODEBUG 0
 940
 941 // External Debugger
 942 #define BX_EXTERNAL_DEBUGGER 0
 943
 944 // Magic breakpoints
 945 #define BX_MAGIC_BREAKPOINT 1
 946
 947 #ifdef WIN32
 948 #define BX_FLOPPY0_NAME "Floppy Disk A:"
 949 #define BX_FLOPPY1_NAME "Floppy Disk B:"
 950 #else
 951 #define BX_FLOPPY0_NAME "Floppy Disk 0"
 952 #define BX_FLOPPY1_NAME "Floppy Disk 1"
 953 #endif
 954
 955 #endif  // _BX_CONFIG_H