1//
2//  Copyright (C) 2001-2021  The Bochs Project
3//
4//  This library is free software; you can redistribute it and/or
5//  modify it under the terms of the GNU Lesser General Public
6//  License as published by the Free Software Foundation; either
7//  version 2 of the License, or (at your option) any later version.
8//
9//  This library is distributed in the hope that it will be useful,
10//  but WITHOUT ANY WARRANTY; without even the implied warranty of
11//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12//  Lesser General Public License for more details.
13//
14//  You should have received a copy of the GNU Lesser General Public
15//  License along with this library; if not, write to the Free Software
16//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
17//
18
19//
20// config.h.in is distributed in the source TAR file.  When you run
21// the configure script, it generates config.h with some changes
22// according to your build environment.  For example, in config.h.in,
23// SIZEOF_UNSIGNED_CHAR is set to 0.  When configure produces config.h
24// it will change "0" to the detected value for your system.
25//
26// config.h contains ONLY preprocessor #defines and a few typedefs.
27// It must be included by both C and C++ files, so it must not
28// contain anything language dependent such as a class declaration.
29//
30
31#ifndef _BX_CONFIG_H_
32#define _BX_CONFIG_H_ 1
33
34///////////////////////////////////////////////////////////////////
35// USER CONFIGURABLE OPTIONS : EDIT ONLY OPTIONS IN THIS SECTION //
36///////////////////////////////////////////////////////////////////
37
38
39#if 1
40// quit_sim is defined in gui/siminterface.h
41#define BX_EXIT(x)  SIM->quit_sim (x)
42#else
43// provide the real main and the usual exit.
44#define BX_EXIT(x)  ::exit(x)
45#endif
46
47// if simulating Linux, this provides a few more debugging options
48// such as tracing all system calls.
49#define BX_DEBUG_LINUX 0
50
51// adds support for the GNU readline library in the debugger command
52// prompt.
53#define HAVE_LIBREADLINE 0
54#define HAVE_READLINE_HISTORY_H 0
55
56// Define to 1 if you have <locale.h>
57#define HAVE_LOCALE_H 0
58
59// I rebuilt the code which provides timers to IO devices.
60// Setting this to 1 will introduce a little code which
61// will panic out if cases which shouldn't happen occur.
62// Set this to 0 for optimal performance.
63#define BX_TIMER_DEBUG 0
64
65// Settable A20 line.  For efficiency, you can disable
66// having a settable A20 line, eliminating conditional
67// code for every physical memory access.  You'll have
68// to tell your software not to mess with the A20 line,
69// and accept it as always being on if you change this.
70//   1 = use settable A20 line. (normal)
71//   0 = A20 is like the rest of the address lines
72
73#define BX_SUPPORT_A20 1
74
75// Processor Instructions Per Second
76// To find out what value to use for the 'ips' directive
77// in your '.bochsrc' file, set BX_SHOW_IPS to 1, and
78// run the software in bochs you plan to use most.  Bochs
79// will print out periodic IPS ratings.  This will change
80// based on the processor mode at the time, and various
81// other factors.  You'll get a reasonable estimate though.
82// When you're done, reset BX_SHOW_IPS to 0, do a
83// 'make all-clean', then 'make' again.
84
85#define BX_SHOW_IPS         0
86
87
88#define MSVC_TARGET 0
89#if defined(_MSC_VER) && defined(MSVC_TARGET)
90#if defined(_M_X64) && (MSVC_TARGET != 64)
91#error Bochs not configured for MSVC WIN64
92#elif !defined(_M_X64) && (MSVC_TARGET != 32)
93#error Bochs not configured for MSVC WIN32
94#endif
95#endif
96
97#if (BX_SHOW_IPS) && (defined(__MINGW32__) || defined(_MSC_VER))
98#define        SIGALRM         14
99#endif
100
101// Compile in support for DMA & FLOPPY IO.  You'll need this
102// if you plan to use the floppy drive emulation.  But if
103// you're environment doesn't require it, you can change
104// it to 0.
105
106#define BX_DMA_FLOPPY_IO 1
107
108// Default number of Megs of memory to emulate.  The
109// 'megs:' directive in the '.bochsrc' file overrides this,
110// allowing per-run settings.
111
112#define BX_DEFAULT_MEM_MEGS 32
113
114// CPU level emulation. Default level is set in the configure script.
115// BX_CPU_LEVEL defines the CPU level to emulate.
116#define BX_CPU_LEVEL 0
117
118// emulate x86-64 instruction set?
119#define BX_SUPPORT_X86_64 0
120
121// emulate long physical address (>32 bit)
122#define BX_PHY_ADDRESS_LONG 0
123
124#define BX_HAVE_SLEEP 0
125#define BX_HAVE_MSLEEP 0
126#define BX_HAVE_USLEEP 0
127#define BX_HAVE_NANOSLEEP 0
128#define BX_HAVE_ABORT 0
129#define BX_HAVE_SOCKLEN_T 0
130#define BX_HAVE_SOCKADDR_IN_SIN_LEN 0
131#define BX_HAVE_GETTIMEOFDAY 0
132#if defined(WIN32)
133#define BX_HAVE_REALTIME_USEC 1
134#else
135#define BX_HAVE_REALTIME_USEC (BX_HAVE_GETTIMEOFDAY)
136#endif
137#define BX_HAVE_MKSTEMP 0
138#define BX_HAVE_SYS_MMAN_H 0
139#define BX_HAVE_XPM_H 0
140#define BX_HAVE_XRANDR_H 0
141#define BX_HAVE_TIMELOCAL 0
142#define BX_HAVE_GMTIME 0
143#define BX_HAVE_MKTIME 0
144#define BX_HAVE_TMPFILE64 0
145#define BX_HAVE_FSEEK64 0
146#define BX_HAVE_FSEEKO64 0
147#define BX_HAVE_NET_IF_H 0
148#define BX_HAVE___BUILTIN_BSWAP32 0
149#define BX_HAVE___BUILTIN_BSWAP64 0
150#define BX_HAVE_SSIZE_T 0
151
152// This turns on Roland Mainz's idle hack.  Presently it is specific to the X11
153// and term gui. If people try to enable it elsewhere, give a compile error
154// after the gui definition so that they don't waste their time trying.
155#define BX_USE_IDLE_HACK 0
156
157// Minimum Emulated IPS.
158// This is used in the realtime PIT as well as for checking the
159// IPS value set in the config file.
160#define BX_MIN_IPS 1000000
161
162// Minimum and maximum values for SMP quantum variable. Defines
163// how many instructions each CPU could execute in one
164// shot (one cpu_loop call)
165#define BX_SMP_QUANTUM_MIN  1
166#define BX_SMP_QUANTUM_MAX 32
167
168// Use Static Member Funtions to eliminate 'this' pointer passing
169// If you want the efficiency of 'C', you can make all the
170// members of the C++ CPU class to be static.
171// This defaults to 1 since it should improve performance, but when
172// SMP mode is enabled, it will be turned off by configure.
173#define BX_USE_CPU_SMF 1
174
175#define BX_USE_MEM_SMF 1
176
177// Use static member functions in IO DEVice emulation modules.
178// For efficiency, use C like functions for IO handling,
179// and declare a device instance at compile time,
180// instead of using 'new' and storing the pointer.  This
181// eliminates some overhead, especially for high-use IO
182// devices like the disk drive.
183//   1 = Use static member efficiency (normal)
184//   0 = Use nonstatic member functions (use only if you need
185//       multiple instances of a device class
186
187#define BX_USE_HD_SMF       1  // Hard drive
188#define BX_USE_BIOS_SMF     1  // BIOS
189#define BX_USE_CMOS_SMF     1  // CMOS
190#define BX_USE_DMA_SMF      1  // DMA
191#define BX_USE_FD_SMF       1  // Floppy
192#define BX_USE_KEY_SMF      1  // Keyboard
193#define BX_USE_PAR_SMF      1  // Parallel
194#define BX_USE_PIC_SMF      1  // PIC
195#define BX_USE_PIT_SMF      1  // PIT
196#define BX_USE_SER_SMF      1  // Serial
197#define BX_USE_UM_SMF       1  // Unmapped
198#define BX_USE_VGA_SMF      1  // VGA
199#define BX_USE_SB16_SMF     1  // SB 16 soundcard
200#define BX_USE_ES1370_SMF   1  // ES1370 soundcard
201#define BX_USE_DEV_SMF      1  // System Devices (port92)
202#define BX_USE_PCI_SMF      1  // PCI
203#define BX_USE_P2I_SMF      1  // PCI-to-ISA bridge
204#define BX_USE_PIDE_SMF     1  // PCI-IDE
205#define BX_USE_PCIDEV_SMF   1  // PCI-DEV
206#define BX_USE_USB_UHCI_SMF 1  // USB UHCI hub
207#define BX_USE_USB_OHCI_SMF 1  // USB OHCI hub
208#define BX_USE_USB_EHCI_SMF 1  // USB EHCI hub
209#define BX_USE_USB_XHCI_SMF 1  // USB xHCI hub
210#define BX_USE_PCIPNIC_SMF  1  // PCI pseudo NIC
211#define BX_USE_EFI_SMF      1  // External FPU IRQ
212#define BX_USE_GAMEPORT_SMF 1  // Gameport
213#define BX_USE_CIRRUS_SMF   1  // SVGA Cirrus
214#define BX_USE_BUSM_SMF     1  // Bus Mouse
215#define BX_USE_ACPI_SMF     1  // ACPI
216
217#define BX_PLUGINS  0
218#define BX_HAVE_LTDL 0
219#define BX_HAVE_DLFCN_H 0
220
221#if BX_PLUGINS && \
222  (   !BX_USE_HD_SMF || !BX_USE_BIOS_SMF || !BX_USE_CMOS_SMF \
223   || !BX_USE_DMA_SMF || !BX_USE_FD_SMF || !BX_USE_KEY_SMF \
224   || !BX_USE_PAR_SMF || !BX_USE_PIC_SMF || !BX_USE_PIT_SMF \
225   || !BX_USE_SER_SMF || !BX_USE_UM_SMF || !BX_USE_VGA_SMF \
226   || !BX_USE_SB16_SMF || !BX_USE_ES1370_SMF || !BX_USE_DEV_SMF \
227   || !BX_USE_PCI_SMF || !BX_USE_P2I_SMF || !BX_USE_USB_UHCI_SMF \
228   || !BX_USE_USB_OHCI_SMF || !BX_USE_USB_EHCI_SMF || !BX_USE_USB_XHCI_SMF \
229   || !BX_USE_PCIPNIC_SMF || !BX_USE_PIDE_SMF || !BX_USE_ACPI_SMF \
230   || !BX_USE_EFI_SMF || !BX_USE_GAMEPORT_SMF || !BX_USE_PCIDEV_SMF \
231   || !BX_USE_CIRRUS_SMF)
232#error You must use SMF to have plugins
233#endif
234
235#define USE_RAW_SERIAL 0
236
237// This option enables RAM file backing for large guest memory with a smaller
238// amount host memory, without causing a panic when host memory is exhausted.
239#define BX_LARGE_RAMFILE 0
240
241// This option defines the number of supported ATA channels.
242// There are up to two drives per ATA channel.
243#define BX_MAX_ATA_CHANNEL 4
244
245#if (BX_MAX_ATA_CHANNEL>4 || BX_MAX_ATA_CHANNEL<1)
246  #error "BX_MAX_ATA_CHANNEL should be between 1 and 4"
247#endif
248
249// =================================================================
250// BEGIN: OPTIONAL DEBUGGER SECTION
251//
252// These options are only used if you compile in support for the
253// native command line debugging environment.  Typically, the debugger
254// is not used, and this section can be ignored.
255// =================================================================
256
257// Compile in support for virtual/linear/physical breakpoints.
258// Enable only those you need. Recommend using only linear
259// breakpoints, unless you need others. Less supported means
260// slightly faster execution time.
261#define BX_DBG_MAX_VIR_BPOINTS 16
262#define BX_DBG_MAX_LIN_BPOINTS 16
263#define BX_DBG_MAX_PHY_BPOINTS 16
264
265#define BX_DBG_MAX_WATCHPONTS  16
266
267// max file pathname size for debugger commands
268#define BX_MAX_PATH     256
269// max nesting level for debug scripts including other scripts
270#define BX_INFILE_DEPTH  10
271// use this command to include (nest) debug scripts
272#define BX_INCLUDE_CMD   "source"
273
274// Make a call to command line debugger extensions.  If set to 1,
275// a call is made.  An external routine has a chance to process
276// the command.  If it does, than the debugger ignores the command.
277#define BX_DBG_EXTENSIONS 0
278
279// =================================================================
280// END: OPTIONAL DEBUGGER SECTION
281// =================================================================
282
283//////////////////////////////////////////////////////////////////////
284// END OF USER CONFIGURABLE OPTIONS : DON'T EDIT ANYTHING BELOW !!! //
285// THIS IS GENERATED BY THE ./configure SCRIPT                      //
286//////////////////////////////////////////////////////////////////////
287
288
289#define BX_WITH_X11 0
290#define BX_WITH_WIN32 0
291#define BX_WITH_MACOS 0
292#define BX_WITH_CARBON 0
293#define BX_WITH_NOGUI 0
294#define BX_WITH_TERM 0
295#define BX_WITH_RFB 0
296#define BX_WITH_VNCSRV 0
297#define BX_WITH_AMIGAOS 0
298#define BX_WITH_SDL 0
299#define BX_WITH_SDL2 0
300#define BX_WITH_WX 0
301
302// BX_USE_TEXTCONFIG should be set to 1 unless Bochs is compiled
303// for wxWidgets only.
304#define BX_USE_TEXTCONFIG 1
305
306// BX_USE_GUI should be set to 1 for all guis with VGA console support
307// for 'textconfig'.
308#define BX_USE_GUI_CONSOLE 0
309
310// BX_USE_WIN32CONFIG should be set to 1 on WIN32 for the guis
311// "win32", "sdl" and "sdl2" only.
312#if BX_USE_TEXTCONFIG && defined(WIN32) && (BX_WITH_WIN32 || BX_WITH_SDL || BX_WITH_SDL2)
313  #define BX_USE_WIN32CONFIG 1
314#else
315  #define BX_USE_WIN32CONFIG 0
316#endif
317
318// set to 1 if wxMSW is a unicode version
319#define WX_MSW_UNICODE 0
320// set to GDK major version for wxGTK
321#define WX_GDK_VERSION 0
322
323// A certain functions must NOT be fastcall even if compiled with fastcall
324// option, and those are callbacks from Windows which are defined either
325// as cdecl or stdcall. The entry point main() also has to remain cdecl.
326#ifndef CDECL
327#if defined(_MSC_VER)
328  #define CDECL __cdecl
329#else
330  #define CDECL
331#endif
332#endif
333
334// add special export symbols for win32 DLL building.  The main code must
335// have __declspec(dllexport) on variables, functions, or classes that the
336// plugins can access.  The plugins should #define PLUGGABLE which will
337// activate the __declspec(dllimport) instead.
338#if (defined(WIN32) || defined(__CYGWIN__)) && !defined(BXIMAGE)
339#  if BX_PLUGINS && defined(BX_PLUGGABLE)
340//   #warning I will import DLL symbols from Bochs main program.
341#    define BOCHSAPI __declspec(dllimport)
342#  elif BX_PLUGINS
343//   #warning I will export DLL symbols.
344#    define BOCHSAPI __declspec(dllexport)
345#  endif
346#endif
347#ifndef BOCHSAPI
348#  define BOCHSAPI
349#endif
350
351#if defined(__CYGWIN__)
352// Make BOCHSAPI_CYGONLY exactly the same as BOCHSAPI.  This symbol
353// will be used for any cases where Cygwin requires a special tag
354// but VC++ does not.
355#define BOCHSAPI_CYGONLY BOCHSAPI
356#else
357// define the symbol to be empty
358#define BOCHSAPI_CYGONLY /*empty*/
359#endif
360
361#if defined(_MSC_VER)
362// Make BOCHSAPI_MSVCONLY exactly the same as BOCHSAPI.  This symbol
363// will be used for any cases where VC++ requires a special tag
364// but Cygwin does not.
365#define BOCHSAPI_MSVCONLY BOCHSAPI
366#else
367// define the symbol to be empty
368#define BOCHSAPI_MSVCONLY /*empty*/
369#endif
370
371#define BX_DEFAULT_CONFIG_INTERFACE "defined_by_configure"
372#define BX_DEFAULT_DISPLAY_LIBRARY "defined_by_configure"
373
374// Roland Mainz's idle hack is presently specific to X11. If people try to
375// enable it elsewhere, give a compile error so that they don't waste their
376// time trying.
377#if (BX_USE_IDLE_HACK && !BX_WITH_X11 && !BX_WITH_TERM)
378#  error IDLE_HACK will only work with the X11 or term gui. Correct configure args and retry.
379#endif
380
381#define WORDS_BIGENDIAN 0
382
383#define SIZEOF_UNSIGNED_CHAR      0
384#define SIZEOF_UNSIGNED_SHORT     0
385#define SIZEOF_UNSIGNED_INT       0
386#define SIZEOF_UNSIGNED_LONG      0
387#define SIZEOF_UNSIGNED_LONG_LONG 0
388#define SIZEOF_INT_P              0
389
390#define BX_64BIT_CONSTANTS_USE_LL 1
391#if BX_64BIT_CONSTANTS_USE_LL
392// doesn't work on Microsoft Visual C++, maybe others
393#define BX_CONST64(x)  (x##LL)
394#elif defined(_MSC_VER)
395#define BX_CONST64(x)  (x##I64)
396#else
397#define BX_CONST64(x)  (x)
398#endif
399
400#if defined(WIN32)
401  typedef unsigned char      Bit8u;
402  typedef   signed char      Bit8s;
403  typedef unsigned short     Bit16u;
404  typedef   signed short     Bit16s;
405  typedef unsigned int       Bit32u;
406  typedef   signed int       Bit32s;
407#ifdef __GNUC__
408  typedef unsigned long long Bit64u;
409  typedef   signed long long Bit64s;
410#include <sys/types.h>
411#include <unistd.h>
412#else
413  typedef unsigned __int64   Bit64u;
414  typedef   signed __int64   Bit64s;
415#endif
416#elif BX_WITH_MACOS
417  typedef unsigned char      Bit8u;
418  typedef   signed char      Bit8s;
419  typedef unsigned short     Bit16u;
420  typedef   signed short     Bit16s;
421  typedef unsigned int       Bit32u;
422  typedef   signed int       Bit32s;
423  typedef unsigned long long Bit64u;
424  typedef   signed long long Bit64s;
425#else
426
427// Unix like platforms
428
429#if SIZEOF_UNSIGNED_CHAR != 1
430#  error "sizeof (unsigned char) != 1"
431#else
432  typedef unsigned char Bit8u;
433  typedef   signed char Bit8s;
434#endif
435
436#if SIZEOF_UNSIGNED_SHORT != 2
437#  error "sizeof (unsigned short) != 2"
438#else
439  typedef unsigned short Bit16u;
440  typedef   signed short Bit16s;
441#endif
442
443#if SIZEOF_UNSIGNED_INT == 4
444  typedef unsigned int Bit32u;
445  typedef   signed int Bit32s;
446#elif SIZEOF_UNSIGNED_LONG == 4
447  typedef unsigned long Bit32u;
448  typedef   signed long Bit32s;
449#else
450#  error "can't find sizeof(type) of 4 bytes!"
451#endif
452
453#if SIZEOF_UNSIGNED_LONG == 8
454  typedef unsigned long Bit64u;
455  typedef   signed long Bit64s;
456#elif SIZEOF_UNSIGNED_LONG_LONG == 8
457  typedef unsigned long long Bit64u;
458  typedef   signed long long Bit64s;
459#else
460#  error "can't find data type of 8 bytes"
461#endif
462
463#endif
464
465#define GET32L(val64) ((Bit32u)(((Bit64u)(val64)) & 0xFFFFFFFF))
466#define GET32H(val64) ((Bit32u)(((Bit64u)(val64)) >> 32))
467
468// now that Bit32u and Bit64u exist, defined bx_address
469#if BX_SUPPORT_X86_64
470typedef Bit64u bx_address;
471#else
472typedef Bit32u bx_address;
473#endif
474
475// define physical and linear address types
476typedef bx_address bx_lin_address;
477
478#if BX_SUPPORT_X86_64
479#define BX_LIN_ADDRESS_WIDTH 48
480#else
481#define BX_LIN_ADDRESS_WIDTH 32
482#endif
483
484#if BX_PHY_ADDRESS_LONG
485typedef Bit64u bx_phy_address;
486#if BX_CPU_LEVEL == 5
487  #define BX_PHY_ADDRESS_WIDTH 36
488#else
489  #define BX_PHY_ADDRESS_WIDTH 40
490#endif
491#else
492typedef Bit32u bx_phy_address;
493#define BX_PHY_ADDRESS_WIDTH 32
494#endif
495
496// small sanity check
497#if BX_PHY_ADDRESS_LONG
498  #if (BX_PHY_ADDRESS_WIDTH <= 32)
499    #error "BX_PHY_ADDRESS_LONG implies emulated physical address width > 32 bit"
500  #endif
501#endif
502
503#define BX_PHY_ADDRESS_MASK ((((Bit64u)(1)) << BX_PHY_ADDRESS_WIDTH) - 1)
504
505#define BX_PHY_ADDRESS_RESERVED_BITS (~BX_PHY_ADDRESS_MASK)
506
507// technically, in an 8 bit signed the real minimum is -128, not -127.
508// But if you decide to negate -128 you tend to get -128 again, so it's
509// better not to use the absolute maximum in the signed range.
510#define BX_MAX_BIT64U ( (Bit64u) -1           )
511#define BX_MIN_BIT64U ( 0                     )
512#define BX_MAX_BIT64S ( ((Bit64u) -1) >> 1    )
513#define BX_MIN_BIT64S ( (Bit64s)(1ULL << 63)  )
514#define BX_MAX_BIT32U ( (Bit32u) -1           )
515#define BX_MIN_BIT32U ( 0                     )
516#define BX_MAX_BIT32S ( ((Bit32u) -1) >> 1    )
517#define BX_MIN_BIT32S ( (Bit32s)(1U << 31)    )
518#define BX_MAX_BIT16U ( (Bit16u) -1           )
519#define BX_MIN_BIT16U ( 0                     )
520#define BX_MAX_BIT16S ( ((Bit16u) -1) >> 1    )
521#define BX_MIN_BIT16S ( (Bit16s)-(((Bit16u) -1) >> 1) - 1)
522#define BX_MAX_BIT8U  ( (Bit8u) -1            )
523#define BX_MIN_BIT8U  ( 0                     )
524#define BX_MAX_BIT8S  ( ((Bit8u) -1) >> 1     )
525#define BX_MIN_BIT8S  ( (Bit8s)-(((Bit8u) -1) >> 1) - 1)
526
527
528// create an unsigned integer type that is the same size as a pointer.
529// You can typecast a pointer to a bx_pr_equiv_t without losing any
530// bits (and without getting the compiler excited).
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#if BX_WITH_MACOS
540#  define bx_ptr_t char *
541#else
542#  define bx_ptr_t void *
543#endif
544
545#if defined(WIN32)
546#  define BX_LITTLE_ENDIAN
547#elif BX_WITH_MACOS
548#  define BX_BIG_ENDIAN
549#else
550#if WORDS_BIGENDIAN
551#  define BX_BIG_ENDIAN
552#else
553#  define BX_LITTLE_ENDIAN
554#endif
555#endif // defined(WIN32)
556
557// for now only term.cc requires a GUI sighandler.
558#define BX_GUI_SIGHANDLER (BX_WITH_TERM)
559
560#define HAVE_SIGACTION 1
561
562// Use BX_CPP_INLINE for all C++ inline functions.
563#define BX_CPP_INLINE inline
564
565#ifdef __GNUC__
566
567// Some helpful compiler hints for compilers that allow them; GCC for now.
568//
569// BX_CPP_AlignN(n):
570//   Align a construct on an n-byte boundary.
571//
572// BX_CPP_AttrPrintf(formatArg, firstArg):
573//   This function takes printf-like arguments, so the compiler can check
574//   the consistency of the format string and the matching arguments.
575//   'formatArg' is the parameter number (starting from 1) of the format
576//   string argument.  'firstArg' is the parameter number of the 1st argument
577//   to check against the string argument.  NOTE: For non-static member
578//   functions, the this-ptr is argument number 1 but is invisible on
579//   the function prototype declaration - but you still have to count it.
580//
581// BX_CPP_AttrNoReturn():
582//   This function never returns.  The compiler can optimize-out following
583//   code accordingly.
584
585#define BX_CPP_AlignN(n) __attribute__ ((aligned (n)))
586#define BX_CPP_AttrPrintf(formatArg, firstArg) \
587                          __attribute__ ((format (printf, formatArg, firstArg)))
588#define BX_CPP_AttrNoReturn() __attribute__ ((noreturn))
589
590#ifndef likely
591#define likely(x)      __builtin_expect(!!(x), 1)
592#endif
593
594#ifndef unlikely
595#define unlikely(x)    __builtin_expect(!!(x), 0)
596#endif
597
598#else
599
600#define BX_CPP_AlignN(n) /* Not supported. */
601#define BX_CPP_AttrPrintf(formatArg, firstArg)  /* Not supported. */
602#define BX_CPP_AttrNoReturn() /* Not supported. */
603
604#ifndef likely
605#define likely(x)      (x)
606#endif
607
608#ifndef unlikely
609#define unlikely(x)    (x)
610#endif
611
612#endif
613
614#define BX_GDBSTUB      0
615#define BX_DEBUGGER     0
616#define BX_DEBUGGER_GUI 0
617
618#define BX_INSTRUMENTATION    0
619
620// enable BX_DEBUG/BX_ERROR/BX_INFO messages
621#define BX_NO_LOGGING 0
622
623// enable BX_ASSERT checks
624#define BX_ASSERT_ENABLE 0
625
626// enable statistics collection
627#define BX_ENABLE_STATISTICS 0
628
629#define BX_SUPPORT_ALIGNMENT_CHECK 0
630#define BX_SUPPORT_FPU 0
631#define BX_SUPPORT_3DNOW 0
632#define BX_SUPPORT_PKEYS 0
633#define BX_SUPPORT_CET 0
634#define BX_SUPPORT_MONITOR_MWAIT 0
635#define BX_SUPPORT_PERFMON 0
636#define BX_SUPPORT_MEMTYPE 0
637#define BX_SUPPORT_SVM 0
638#define BX_SUPPORT_VMX 0
639#define BX_SUPPORT_AVX 0
640#define BX_SUPPORT_EVEX 0
641
642#if BX_SUPPORT_SVM && BX_SUPPORT_X86_64 == 0
643  #error "SVM require x86-64 support"
644#endif
645
646#if BX_SUPPORT_VMX >= 2 && BX_SUPPORT_X86_64 == 0
647  #error "VMX=2 require x86-64 support"
648#endif
649
650#if BX_SUPPORT_AVX && BX_SUPPORT_X86_64 == 0
651  #error "AVX require x86-64 support"
652#endif
653
654#if BX_SUPPORT_EVEX && BX_SUPPORT_AVX == 0
655  #error "EVEX and AVX-512 support require AVX to be compiled in"
656#endif
657
658#define BX_SUPPORT_REPEAT_SPEEDUPS 0
659#define BX_SUPPORT_HANDLERS_CHAINING_SPEEDUPS 0
660#define BX_ENABLE_TRACE_LINKING 0
661
662#if (BX_DEBUGGER || BX_GDBSTUB) && BX_SUPPORT_HANDLERS_CHAINING_SPEEDUPS
663 #error "Handler-chaining-speedups are not supported together with internal debugger or gdb-stub!"
664#endif
665
666#if BX_SUPPORT_3DNOW
667  #define BX_CPU_VENDOR_INTEL 0
668#else
669  #define BX_CPU_VENDOR_INTEL 1
670#endif
671
672// Maximum CPUID vendor and brand string lengths
673#define BX_CPUID_VENDOR_LEN 12
674#define BX_CPUID_BRAND_LEN  48
675
676#define BX_CONFIGURE_MSRS 0
677
678#if (BX_SUPPORT_ALIGNMENT_CHECK && BX_CPU_LEVEL < 4)
679  #error Alignment exception check is not supported in i386 !
680#endif
681
682#if (BX_CONFIGURE_MSRS && BX_CPU_LEVEL < 5)
683  #error MSRs are supported only with CPU level >= 5 !
684#endif
685
686#if (!BX_SUPPORT_FPU && BX_CPU_LEVEL > 4)
687  #error With CPU level > 4, you must enable FPU support !
688#endif
689
690#if (BX_SUPPORT_FPU && BX_CPU_LEVEL < 3)
691  #error "FPU cannot be compiled without cpu level >= 3 !"
692#endif
693
694#if (BX_CPU_LEVEL<6 && BX_SUPPORT_VMX)
695  #error "VMX only supported with CPU_LEVEL >= 6 !"
696#endif
697
698#if BX_SUPPORT_X86_64
699// Sanity checks to ensure that you cannot accidently use conflicting options.
700
701#if BX_CPU_LEVEL < 6
702  #error "X86-64 requires cpu level 6 or greater !"
703#endif
704#endif
705
706// We have tested the following combinations:
707//  * processors=1, bootstrap=0, ioapic_id=1   (uniprocessor system)
708//  * processors=2, bootstrap=0, ioapic_id=2
709//  * processors=4, bootstrap=0, ioapic_id=4
710//  * processors=8, bootstrap=0, ioapic_id=8
711#define BX_SUPPORT_SMP         0
712#define BX_BOOTSTRAP_PROCESSOR 0
713
714// For P6 and Pentium family processors the local APIC ID feild is 4 bits
715// APIC_MAX_ID indicate broadcast so it can't be used as valid APIC ID
716#define BX_MAX_SMP_THREADS_SUPPORTED 0xfe /* leave APIC ID for I/O APIC */
717
718// include in APIC models, required for a multiprocessor system.
719#if BX_SUPPORT_SMP || BX_CPU_LEVEL >= 5
720  #define BX_SUPPORT_APIC 1
721#else
722  #define BX_SUPPORT_APIC 0
723#endif
724
725#define BX_HAVE_GETENV 0
726#define BX_HAVE_SETENV 0
727#define BX_HAVE_SELECT 0
728#define BX_HAVE_SNPRINTF 0
729#define BX_HAVE_VSNPRINTF 0
730#define BX_HAVE_STRTOULL 0
731#define BX_HAVE_STRTOUQ 0
732#define BX_HAVE_STRDUP 0
733#define BX_HAVE_STRREV 0
734#define BX_HAVE_STRICMP 0
735#define BX_HAVE_STRCASECMP 0
736
737// used in term gui
738#define BX_HAVE_COLOR_SET 0
739#define BX_HAVE_MVHLINE 0
740#define BX_HAVE_MVVLINE 0
741
742
743// set if your compiler does not understand __attribute__ after a struct
744#define BX_NO_ATTRIBUTES 0
745#if BX_NO_ATTRIBUTES
746#define GCC_ATTRIBUTE(x) /* attribute not supported */
747#else
748#define GCC_ATTRIBUTE __attribute__
749#endif
750
751// set to use fast function calls
752#define BX_FAST_FUNC_CALL 0
753
754// On gcc2.95+ x86 only
755#if BX_FAST_FUNC_CALL && defined(__i386__) && defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
756#if BX_USE_CPU_SMF == 1
757#  define BX_CPP_AttrRegparmN(X) __attribute__((regparm(X)))
758#else
759// FIXME: BX_FAST_FUNC_CALL doesn't work with BX_USE_CPU_SMF = 0
760#  define BX_CPP_AttrRegparmN(X) /* Not defined */
761#endif
762#else
763#  define BX_CPP_AttrRegparmN(X) /* Not defined */
764#endif
765
766// set if you do have <set>, used in bx_debug/dbg_main.c
767#define BX_HAVE_SET 0
768
769// set if you do have <set.h>, used in bx_debug/dbg_main.c
770#define BX_HAVE_SET_H 0
771
772// set if you do have <map>, used in bx_debug/dbg_main.c
773#define BX_HAVE_MAP 0
774
775// set if you do have <map.h>, used in bx_debug/dbg_main.c
776#define BX_HAVE_MAP_H 0
777
778// Support x86 hardware debugger registers and facilities.
779// These are the debug facilities offered by the x86 architecture,
780// not the optional built-in debugger.
781#define BX_X86_DEBUGGER 0
782
783// limited i440FX PCI support
784#define BX_SUPPORT_PCI 0
785
786// Experimental host PCI device mapping
787#define BX_SUPPORT_PCIDEV 0
788
789#if (BX_SUPPORT_PCIDEV && !BX_SUPPORT_PCI)
790  #error To enable PCI host device mapping, you must also enable PCI
791#endif
792
793// CLGD54XX emulation
794#define BX_SUPPORT_CLGD54XX 0
795
796// Experimental 3dfx Voodoo (SST-1/2) emulation
797#define BX_SUPPORT_VOODOO 0
798
799// USB host controllers
800#define BX_SUPPORT_USB_UHCI 0
801#define BX_SUPPORT_USB_OHCI 0
802#define BX_SUPPORT_USB_EHCI 0
803#define BX_SUPPORT_USB_XHCI 0
804#define BX_SUPPORT_PCIUSB \
805  (BX_SUPPORT_USB_UHCI || BX_SUPPORT_USB_OHCI || BX_SUPPORT_USB_EHCI || BX_SUPPORT_USB_XHCI)
806
807#if (BX_SUPPORT_PCIUSB && !BX_SUPPORT_PCI)
808  #error To enable USB, you must also enable PCI
809#endif
810
811#if (BX_SUPPORT_USB_EHCI && !BX_SUPPORT_USB_UHCI)
812  #error To enable EHCI, you must also enable UHCI
813#endif
814
815// MS bus mouse support
816#define BX_SUPPORT_BUSMOUSE 0
817
818#define BX_SUPPORT_CDROM 0
819
820#if BX_SUPPORT_CDROM
821   // This is the C++ class name to use if we are supporting
822   // low-level CDROM.
823#  define LOWLEVEL_CDROM cdrom_base_c
824#endif
825
826// NE2K network emulation
827#define BX_SUPPORT_NE2K 0
828
829// Pseudo PCI NIC
830#define BX_SUPPORT_PCIPNIC 0
831
832#if (BX_SUPPORT_PCIPNIC && !BX_SUPPORT_PCI)
833  #error To enable the PCI pseudo NIC, you must also enable PCI
834#endif
835
836// Intel(R) Gigabit Ethernet
837#define BX_SUPPORT_E1000 0
838
839#if (BX_SUPPORT_E1000 && !BX_SUPPORT_PCI)
840  #error To enable the E1000 NIC, you must also enable PCI
841#endif
842
843// this enables the lowlevel stuff below if one of the NICs is present
844#define BX_NETWORKING 0
845
846// which networking modules will be enabled
847// determined by configure script
848#define BX_NETMOD_FBSD    0
849#define BX_NETMOD_LINUX   0
850#define BX_NETMOD_WIN32   0
851#define BX_NETMOD_TAP     0
852#define BX_NETMOD_TUNTAP  0
853#define BX_NETMOD_VDE     0
854#define BX_NETMOD_SLIRP   0
855#define BX_NETMOD_SOCKET  0
856
857// Soundcard and gameport support
858#define BX_SUPPORT_SB16     0
859#define BX_SUPPORT_ES1370   0
860#define BX_SUPPORT_GAMEPORT 0
861#define BX_SUPPORT_SOUNDLOW 0
862
863// which sound lowlevel modules will be enabled
864#define BX_HAVE_SOUND_ALSA 0
865#define BX_HAVE_SOUND_OSS  0
866#define BX_HAVE_SOUND_OSX  0
867#define BX_HAVE_SOUND_SDL  0
868#define BX_HAVE_SOUND_WIN  0
869
870#if BX_SUPPORT_SOUNDLOW
871// Determines which sound lowlevel driver is to be used as the default.
872// Currently the following are available:
873//    alsa   Output for Linux with ALSA PCM and sequencer interface
874//    oss    Output for Linux, to /dev/dsp and /dev/midi00
875//    osx    Output for MacOSX midi and wave device
876//    sdl    Wave output with SDL/SDL2
877//    win    Output for Windows midi and wave mappers
878//    file   Wave and midi output to file
879//    dummy  Dummy functions, no output
880#define BX_SOUND_LOWLEVEL_NAME "dummy"
881// resampling support
882#define BX_HAVE_LIBSAMPLERATE  0
883#define BX_HAVE_SOXR_LSR       0
884// SDL2 audio capture support (version >= 2.0.5)
885#define BX_HAVE_SDL2_AUDIO_CAPTURE 0
886#endif
887
888#if (BX_SUPPORT_ES1370 && !BX_SUPPORT_PCI)
889  #error To enable the ES1370 soundcard, you must also enable PCI
890#endif
891
892// I/O Interface to debugger
893#define BX_SUPPORT_IODEBUG 0
894
895#ifdef WIN32
896#define BX_FLOPPY0_NAME "Floppy Disk A:"
897#define BX_FLOPPY1_NAME "Floppy Disk B:"
898#else
899#define BX_FLOPPY0_NAME "Floppy Disk 0"
900#define BX_FLOPPY1_NAME "Floppy Disk 1"
901#endif
902
903#if defined(__GNUC__) && (__GNUC__ == 4 && __GNUC_MINOR__ == 0)
904#error "gcc 4.0.0 is known to produce incorrect code which breaks Bochs emulation"
905#endif
906
907#endif  // _BX_CONFIG_H
908