[deliverable/binutils-gdb.git] / sim / common / sim-config.h

/* The common simulator framework for GDB, the GNU Debugger.

   Copyright 2002 Free Software Foundation, Inc.

   Contributed by Andrew Cagney and Red Hat.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */


#ifndef SIM_CONFIG_H
#define SIM_CONFIG_H


/* Host dependant:

   The CPP below defines information about the compilation host.  In
   particular it defines the macro's:

   	WITH_HOST_BYTE_ORDER	The byte order of the host. Could
				be any of LITTLE_ENDIAN, BIG_ENDIAN
				or 0 (unknown).  Those macro's also
				need to be defined.

 */


/* NetBSD:

   NetBSD is easy, everything you could ever want is in a header file
   (well almost :-) */

#if defined(__NetBSD__)
# include <machine/endian.h>
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BYTE_ORDER
# endif
# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
#  error "host endian incorrectly configured, check config.h"
# endif
#endif

/* Linux is similarly easy.  */

#if defined(__linux__)
# include <endian.h>
# if defined(__LITTLE_ENDIAN) && !defined(LITTLE_ENDIAN)
#  define LITTLE_ENDIAN __LITTLE_ENDIAN
# endif
# if defined(__BIG_ENDIAN) && !defined(BIG_ENDIAN)
#  define BIG_ENDIAN __BIG_ENDIAN
# endif
# if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
#  define BYTE_ORDER __BYTE_ORDER
# endif
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BYTE_ORDER
# endif
# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
#  error "host endian incorrectly configured, check config.h"
# endif
#endif

/* INSERT HERE - hosts that have available LITTLE_ENDIAN and
   BIG_ENDIAN macro's */


/* Some hosts don't define LITTLE_ENDIAN or BIG_ENDIAN, help them out */

#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN 1234
#endif
#ifndef BIG_ENDIAN
#define BIG_ENDIAN 4321
#endif


/* SunOS on SPARC:

   Big endian last time I looked */

#if defined(sparc) || defined(__sparc__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BIG_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
#  error "sun was big endian last time I looked ..."
# endif
#endif


/* Random x86

   Little endian last time I looked */

#if defined(i386) || defined(i486) || defined(i586) || defined (i686) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined (__i686__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
#  error "x86 was little endian last time I looked ..."
# endif
#endif

#if (defined (__i486__) || defined (__i586__) || defined (__i686__)) && defined(__GNUC__) && WITH_BSWAP
#undef  htonl
#undef  ntohl
#define htonl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
#define ntohl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
#endif

/* Power or PowerPC running AIX  */
#if defined(_POWER) && defined(_AIX)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BIG_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
#  error "Power/PowerPC AIX was big endian last time I looked ..."
# endif
#endif

/* Solaris running PowerPC */
#if defined(__PPC) && defined(__sun__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
#  error "Solaris on PowerPCs was little endian last time I looked ..."
# endif
#endif

/* HP/PA */
#if defined(__hppa__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BIG_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
#  error "HP/PA was big endian last time I looked ..."
# endif
#endif

/* Big endian MIPS */
#if defined(__MIPSEB__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BIG_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
#  error "MIPSEB was big endian last time I looked ..."
# endif
#endif

/* Little endian MIPS */
#if defined(__MIPSEL__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
#  error "MIPSEL was little endian last time I looked ..."
# endif
#endif

/* Windows NT */
#if defined(__WIN32__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
#  error "Windows NT was little endian last time I looked ..."
# endif
#endif

/* Alpha running DEC unix */
#if defined(__osf__) && defined(__alpha__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
#  error "AXP running DEC unix was little endian last time I looked ..."
# endif
#endif


/* INSERT HERE - additional hosts that do not have LITTLE_ENDIAN and
   BIG_ENDIAN definitions available.  */
\f
/* Until devices and tree properties are sorted out, tell sim-config.c
   not to call the tree_find_foo fns.  */
#define WITH_TREE_PROPERTIES 0


/* endianness of the host/target:

   If the build process is aware (at compile time) of the endianness
   of the host/target it is able to eliminate slower generic endian
   handling code.

   Possible values are 0 (unknown), LITTLE_ENDIAN, BIG_ENDIAN */

#ifndef WITH_HOST_BYTE_ORDER
#define WITH_HOST_BYTE_ORDER		0 /*unknown*/
#endif

#ifndef WITH_TARGET_BYTE_ORDER
#define WITH_TARGET_BYTE_ORDER		0 /*unknown*/
#endif

#ifndef WITH_DEFAULT_TARGET_BYTE_ORDER
#define WITH_DEFAULT_TARGET_BYTE_ORDER 0 /* fatal */
#endif

extern int current_host_byte_order;
#define CURRENT_HOST_BYTE_ORDER (WITH_HOST_BYTE_ORDER \
				 ? WITH_HOST_BYTE_ORDER \
				 : current_host_byte_order)
extern int current_target_byte_order;
#define CURRENT_TARGET_BYTE_ORDER (WITH_TARGET_BYTE_ORDER \
				   ? WITH_TARGET_BYTE_ORDER \
				   : current_target_byte_order)


/* XOR endian.

   In addition to the above, the simulator can support the horrible
   XOR endian mode (as found in the PowerPC and MIPS ISA).  See
   sim-core for more information.

   If WITH_XOR_ENDIAN is non-zero, it specifies the number of bytes
   potentially involved in the XOR munge. A typical value is 8. */

#ifndef WITH_XOR_ENDIAN
#define WITH_XOR_ENDIAN		0
#endif


/* Intel host BSWAP support:

   Whether to use bswap on the 486 and pentiums rather than the 386
   sequence that uses xchgb/rorl/xchgb */
#ifndef WITH_BSWAP
#define	WITH_BSWAP 0
#endif


/* SMP support:

   Sets a limit on the number of processors that can be simulated.  If
   WITH_SMP is set to zero (0), the simulator is restricted to
   suporting only one processor (and as a consequence leaves the SMP
   code out of the build process).

   The actual number of processors is taken from the device
   /options/smp@<nr-cpu> */

#if defined (WITH_SMP) && (WITH_SMP > 0)
#define MAX_NR_PROCESSORS		WITH_SMP
#endif

#ifndef MAX_NR_PROCESSORS
#define MAX_NR_PROCESSORS		1
#endif


/* Size of target word, address and OpenFirmware Cell:

   The target word size is determined by the natural size of its
   reginsters.

   On most hosts, the address and cell are the same size as a target
   word.  */

#ifndef WITH_TARGET_WORD_BITSIZE
#define WITH_TARGET_WORD_BITSIZE        32
#endif

#ifndef WITH_TARGET_ADDRESS_BITSIZE
#define WITH_TARGET_ADDRESS_BITSIZE	WITH_TARGET_WORD_BITSIZE
#endif

#ifndef WITH_TARGET_CELL_BITSIZE
#define WITH_TARGET_CELL_BITSIZE	WITH_TARGET_WORD_BITSIZE
#endif

#ifndef WITH_TARGET_FLOATING_POINT_BITSIZE
#define WITH_TARGET_FLOATING_POINT_BITSIZE 64
#endif


/* Most significant bit of target:

   Set this according to your target's bit numbering convention.  For
   the PowerPC it is zero, for many other targets it is 31 or 63.

   For targets that can both have either 32 or 64 bit words and number
   MSB as 31, 63.  Define this to be (WITH_TARGET_WORD_BITSIZE - 1) */

#ifndef WITH_TARGET_WORD_MSB
#define WITH_TARGET_WORD_MSB            0
#endif


/* Program environment:

   Three environments are available - UEA (user), VEA (virtual) and
   OEA (perating).  The former two are environment that users would
   expect to see (VEA includes things like coherency and the time
   base) while OEA is what an operating system expects to see.  By
   setting these to specific values, the build process is able to
   eliminate non relevent environment code.

   STATE_ENVIRONMENT(sd) specifies which of vea or oea is required for
   the current runtime.

   ALL_ENVIRONMENT is used during configuration as a value for
   WITH_ENVIRONMENT to indicate the choice is runtime selectable.
   The default is then USER_ENVIRONMENT [since allowing the user to choose
   the default at configure time seems like featuritis and since people using
   OPERATING_ENVIRONMENT have more to worry about than selecting the
   default].
   ALL_ENVIRONMENT is also used to set STATE_ENVIRONMENT to the
   "uninitialized" state.  */

enum sim_environment {
  ALL_ENVIRONMENT,
  USER_ENVIRONMENT,
  VIRTUAL_ENVIRONMENT,
  OPERATING_ENVIRONMENT
};

/* If the simulator specified SIM_AC_OPTION_ENVIRONMENT, indicate so.  */
#ifdef WITH_ENVIRONMENT
#define SIM_HAVE_ENVIRONMENT
#endif

/* If the simulator doesn't specify SIM_AC_OPTION_ENVIRONMENT in its
   configure.in, the only supported environment is the user environment.  */
#ifndef WITH_ENVIRONMENT
#define WITH_ENVIRONMENT USER_ENVIRONMENT
#endif

#define DEFAULT_ENVIRONMENT (WITH_ENVIRONMENT != ALL_ENVIRONMENT \
			     ? WITH_ENVIRONMENT \
			     : USER_ENVIRONMENT)


/* Callback & Modulo Memory.

   Core includes a builtin memory type (raw_memory) that is
   implemented using an array.  raw_memory does not require any
   additional functions etc.

   Callback memory is where the core calls a core device for the data
   it requires.  Callback memory can be layered using priorities.

   Modulo memory is a variation on raw_memory where ADDRESS & (MODULO
   - 1) is used as the index into the memory array.

   The OEA model uses callback memory for devices.

   The VEA model uses callback memory to capture `page faults'.

   BTW, while raw_memory could have been implemented as a callback,
   profiling has shown that there is a biger win (at least for the
   x86) in eliminating a function call for the most common
   (raw_memory) case. */

#ifndef WITH_CALLBACK_MEMORY
#define WITH_CALLBACK_MEMORY		1
#endif

#ifndef WITH_MODULO_MEMORY
#define WITH_MODULO_MEMORY              0
#endif


/* Alignment:

   A processor architecture may or may not handle miss aligned
   transfers.

   As alternatives: both little and big endian modes take an exception
   (STRICT_ALIGNMENT); big and little endian models handle mis aligned
   transfers (NONSTRICT_ALIGNMENT); or the address is forced into
   alignment using a mask (FORCED_ALIGNMENT).

   Mixed alignment should be specified when the simulator needs to be
   able to change the alignment requirements on the fly (eg for
   bi-endian support). */

enum sim_alignments {
  MIXED_ALIGNMENT,
  NONSTRICT_ALIGNMENT,
  STRICT_ALIGNMENT,
  FORCED_ALIGNMENT,
};

extern enum sim_alignments current_alignment;

#if !defined (WITH_ALIGNMENT)
#define WITH_ALIGNMENT 0
#endif

#if !defined (WITH_DEFAULT_ALIGNMENT)
#define WITH_DEFAULT_ALIGNMENT 0 /* fatal */
#endif


#define CURRENT_ALIGNMENT (WITH_ALIGNMENT \
			   ? WITH_ALIGNMENT \
			   : current_alignment)


/* Floating point suport:

   Should the processor trap for all floating point instructions (as
   if the hardware wasn't implemented) or implement the floating point
   instructions directly. */

#if defined (WITH_FLOATING_POINT)

#define SOFT_FLOATING_POINT		1
#define HARD_FLOATING_POINT		2

extern int current_floating_point;
#define CURRENT_FLOATING_POINT (WITH_FLOATING_POINT \
				? WITH_FLOATING_POINT \
				: current_floating_point)

#endif


/* Engine module.

   Use the common start/stop/restart framework (sim-engine).
   Simulators using the other modules but not the engine should define
   WITH_ENGINE=0. */

#ifndef WITH_ENGINE
#define WITH_ENGINE			1
#endif


/* Debugging:

   Control the inclusion of debugging code.
   Debugging is only turned on in rare circumstances [say during development]
   and is not intended to be turned on otherwise.  */

#ifndef WITH_DEBUG
#define WITH_DEBUG			0
#endif

/* Include the tracing code.  Disabling this eliminates all tracing
   code */

#ifndef WITH_TRACE
#define WITH_TRACE                      (-1)
#endif

/* Include the profiling code.  Disabling this eliminates all profiling
   code.  */

#ifndef WITH_PROFILE
#define WITH_PROFILE			(-1)
#endif


/* include code that checks assertions scattered through out the
   program */

#ifndef WITH_ASSERT
#define WITH_ASSERT			1
#endif


/* Whether to check instructions for reserved bits being set */

/* #define WITH_RESERVED_BITS		1 */


/* include monitoring code */

#define MONITOR_INSTRUCTION_ISSUE	1
#define MONITOR_LOAD_STORE_UNIT		2
/* do not define WITH_MON by default */
#define DEFAULT_WITH_MON		(MONITOR_LOAD_STORE_UNIT \
					 | MONITOR_INSTRUCTION_ISSUE)


/* Current CPU model (models are in the generated models.h include file)  */
#ifndef WITH_MODEL
#define WITH_MODEL			0
#endif

#define CURRENT_MODEL (WITH_MODEL	\
		       ? WITH_MODEL	\
		       : current_model)

#ifndef WITH_DEFAULT_MODEL
#define WITH_DEFAULT_MODEL		DEFAULT_MODEL
#endif

#define MODEL_ISSUE_IGNORE		(-1)
#define MODEL_ISSUE_PROCESS		1

#ifndef WITH_MODEL_ISSUE
#define WITH_MODEL_ISSUE		0
#endif

extern int current_model_issue;
#define CURRENT_MODEL_ISSUE (WITH_MODEL_ISSUE	\
			     ? WITH_MODEL_ISSUE	\
			     : current_model_issue)


/* Whether or not input/output just uses stdio, or uses printf_filtered for
   output, and polling input for input.  */

#define DONT_USE_STDIO			2
#define DO_USE_STDIO			1

#ifndef WITH_STDIO
#define WITH_STDIO			0
#endif

extern int current_stdio;
#define CURRENT_STDIO (WITH_STDIO	\
		       ? WITH_STDIO     \
		       : current_stdio)


/* Specify that configured calls pass parameters in registers when the
   convention is that they are placed on the stack */

#ifndef WITH_REGPARM
#define WITH_REGPARM                   0
#endif

/* Specify that configured calls use an alternative calling mechanism */

#ifndef WITH_STDCALL
#define WITH_STDCALL                   0
#endif


/* Set the default state configuration, before parsing argv.  */

extern void sim_config_default (SIM_DESC sd);

/* Complete and verify the simulator configuration.  */

extern SIM_RC sim_config (SIM_DESC sd);

/* Print the simulator configuration.  */

extern void print_sim_config (SIM_DESC sd);


#endif
Commit	Line	Data
b85e4829 AC	1	/* The common simulator framework for GDB, the GNU Debugger.
	2
	3	Copyright 2002 Free Software Foundation, Inc.
	4
	5	Contributed by Andrew Cagney and Red Hat.
	6
	7	This file is part of GDB.
	8
	9	This program is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
	11	the Free Software Foundation; either version 2 of the License, or
	12	(at your option) any later version.
	13
	14	This program 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
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with this program; if not, write to the Free Software
	21	Foundation, Inc., 59 Temple Place - Suite 330,
	22	Boston, MA 02111-1307, USA. */
c906108c SS	23
	24
	25	#ifndef SIM_CONFIG_H
	26	#define SIM_CONFIG_H
	27
	28
	29	/* Host dependant:
	30
	31	The CPP below defines information about the compilation host. In
	32	particular it defines the macro's:
	33
	34	WITH_HOST_BYTE_ORDER The byte order of the host. Could
	35	be any of LITTLE_ENDIAN, BIG_ENDIAN
	36	or 0 (unknown). Those macro's also
	37	need to be defined.
	38
	39	*/
	40
	41
	42	/* NetBSD:
	43
	44	NetBSD is easy, everything you could ever want is in a header file
	45	(well almost :-) */
	46
	47	#if defined(__NetBSD__)
	48	# include <machine/endian.h>
	49	# if (WITH_HOST_BYTE_ORDER == 0)
	50	# undef WITH_HOST_BYTE_ORDER
	51	# define WITH_HOST_BYTE_ORDER BYTE_ORDER
	52	# endif
	53	# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
	54	# error "host endian incorrectly configured, check config.h"
	55	# endif
	56	#endif
	57
	58	/* Linux is similarly easy. */
	59
	60	#if defined(__linux__)
	61	# include <endian.h>
	62	# if defined(__LITTLE_ENDIAN) && !defined(LITTLE_ENDIAN)
	63	# define LITTLE_ENDIAN __LITTLE_ENDIAN
	64	# endif
	65	# if defined(__BIG_ENDIAN) && !defined(BIG_ENDIAN)
	66	# define BIG_ENDIAN __BIG_ENDIAN
	67	# endif
	68	# if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
	69	# define BYTE_ORDER __BYTE_ORDER
	70	# endif
	71	# if (WITH_HOST_BYTE_ORDER == 0)
	72	# undef WITH_HOST_BYTE_ORDER
	73	# define WITH_HOST_BYTE_ORDER BYTE_ORDER
	74	# endif
	75	# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
	76	# error "host endian incorrectly configured, check config.h"
	77	# endif
	78	#endif
	79
	80	/* INSERT HERE - hosts that have available LITTLE_ENDIAN and
	81	BIG_ENDIAN macro's */
	82
	83
	84	/* Some hosts don't define LITTLE_ENDIAN or BIG_ENDIAN, help them out */
	85
	86	#ifndef LITTLE_ENDIAN
87	#define LITTLE_ENDIAN 1234
88	#endif
89	#ifndef BIG_ENDIAN
90	#define BIG_ENDIAN 4321
91	#endif
92
93
94	/* SunOS on SPARC:
95
96	Big endian last time I looked */
97
98	#if defined(sparc) \|\| defined(__sparc__)
99	# if (WITH_HOST_BYTE_ORDER == 0)
100	# undef WITH_HOST_BYTE_ORDER
101	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
102	# endif
103	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
104	# error "sun was big endian last time I looked ..."
105	# endif
106	#endif
107
108
109	/* Random x86
110
111	Little endian last time I looked */
112
113	#if defined(i386) \|\| defined(i486) \|\| defined(i586) \|\| defined (i686) \|\| defined(__i386__) \|\| defined(__i486__) \|\| defined(__i586__) \|\| defined (__i686__)
114	# if (WITH_HOST_BYTE_ORDER == 0)
115	# undef WITH_HOST_BYTE_ORDER
116	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
117	# endif
118	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
119	# error "x86 was little endian last time I looked ..."
120	# endif
121	#endif
122
123	#if (defined (__i486__) \|\| defined (__i586__) \|\| defined (__i686__)) && defined(__GNUC__) && WITH_BSWAP
124	#undef htonl
125	#undef ntohl
126	#define htonl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
127	#define ntohl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
128	#endif
129
130	/* Power or PowerPC running AIX */
131	#if defined(_POWER) && defined(_AIX)
132	# if (WITH_HOST_BYTE_ORDER == 0)
133	# undef WITH_HOST_BYTE_ORDER
134	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
135	# endif
136	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
137	# error "Power/PowerPC AIX was big endian last time I looked ..."
138	# endif
139	#endif
140
141	/* Solaris running PowerPC */
142	#if defined(__PPC) && defined(__sun__)
143	# if (WITH_HOST_BYTE_ORDER == 0)
144	# undef WITH_HOST_BYTE_ORDER
145	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
146	# endif
147	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
148	# error "Solaris on PowerPCs was little endian last time I looked ..."
149	# endif
150	#endif
151
152	/* HP/PA */
153	#if defined(__hppa__)
154	# if (WITH_HOST_BYTE_ORDER == 0)
155	# undef WITH_HOST_BYTE_ORDER
156	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
157	# endif
158	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
159	# error "HP/PA was big endian last time I looked ..."
160	# endif
161	#endif
162
163	/* Big endian MIPS */
164	#if defined(__MIPSEB__)
165	# if (WITH_HOST_BYTE_ORDER == 0)
166	# undef WITH_HOST_BYTE_ORDER
167	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
168	# endif
169	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
170	# error "MIPSEB was big endian last time I looked ..."
171	# endif
172	#endif
173
174	/* Little endian MIPS */
175	#if defined(__MIPSEL__)
176	# if (WITH_HOST_BYTE_ORDER == 0)
177	# undef WITH_HOST_BYTE_ORDER
178	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
179	# endif
180	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
181	# error "MIPSEL was little endian last time I looked ..."
182	# endif
183	#endif
184
185	/* Windows NT */
186	#if defined(__WIN32__)
187	# if (WITH_HOST_BYTE_ORDER == 0)
188	# undef WITH_HOST_BYTE_ORDER
189	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
190	# endif
191	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
192	# error "Windows NT was little endian last time I looked ..."
193	# endif
194	#endif
195
196	/* Alpha running DEC unix */
197	#if defined(__osf__) && defined(__alpha__)
198	# if (WITH_HOST_BYTE_ORDER == 0)
199	# undef WITH_HOST_BYTE_ORDER
200	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
201	# endif
202	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
203	# error "AXP running DEC unix was little endian last time I looked ..."
204	# endif
205	#endif
206
207
208	/* INSERT HERE - additional hosts that do not have LITTLE_ENDIAN and
209	BIG_ENDIAN definitions available. */
210	\f
211	/* Until devices and tree properties are sorted out, tell sim-config.c
212	not to call the tree_find_foo fns. */
213	#define WITH_TREE_PROPERTIES 0
214
215
216	/* endianness of the host/target:
217
218	If the build process is aware (at compile time) of the endianness
219	of the host/target it is able to eliminate slower generic endian
220	handling code.
221
222	Possible values are 0 (unknown), LITTLE_ENDIAN, BIG_ENDIAN */
223
224	#ifndef WITH_HOST_BYTE_ORDER
225	#define WITH_HOST_BYTE_ORDER 0 /unknown/
226	#endif
227
228	#ifndef WITH_TARGET_BYTE_ORDER
229	#define WITH_TARGET_BYTE_ORDER 0 /unknown/
230	#endif
231
232	#ifndef WITH_DEFAULT_TARGET_BYTE_ORDER
233	#define WITH_DEFAULT_TARGET_BYTE_ORDER 0 /* fatal */
234	#endif
235
236	extern int current_host_byte_order;
237	#define CURRENT_HOST_BYTE_ORDER (WITH_HOST_BYTE_ORDER \
238	? WITH_HOST_BYTE_ORDER \
239	: current_host_byte_order)
240	extern int current_target_byte_order;
241	#define CURRENT_TARGET_BYTE_ORDER (WITH_TARGET_BYTE_ORDER \
242	? WITH_TARGET_BYTE_ORDER \
243	: current_target_byte_order)
244
245
246
247	/* XOR endian.
248
249	In addition to the above, the simulator can support the horrible
250	XOR endian mode (as found in the PowerPC and MIPS ISA). See
251	sim-core for more information.
252
253	If WITH_XOR_ENDIAN is non-zero, it specifies the number of bytes
254	potentially involved in the XOR munge. A typical value is 8. */
255
256	#ifndef WITH_XOR_ENDIAN
257	#define WITH_XOR_ENDIAN 0
258	#endif
259
260
261
262	/* Intel host BSWAP support:
263
264	Whether to use bswap on the 486 and pentiums rather than the 386
265	sequence that uses xchgb/rorl/xchgb */
266	#ifndef WITH_BSWAP
267	#define WITH_BSWAP 0
268	#endif
269
270
271
272	/* SMP support:
273
274	Sets a limit on the number of processors that can be simulated. If
275	WITH_SMP is set to zero (0), the simulator is restricted to
276	suporting only one processor (and as a consequence leaves the SMP
277	code out of the build process).
278
279	The actual number of processors is taken from the device
280	/options/smp@<nr-cpu> */
281
282	#if defined (WITH_SMP) && (WITH_SMP > 0)
283	#define MAX_NR_PROCESSORS WITH_SMP
284	#endif
285
286	#ifndef MAX_NR_PROCESSORS
287	#define MAX_NR_PROCESSORS 1
288	#endif
289
290
291	/* Size of target word, address and OpenFirmware Cell:
292
293	The target word size is determined by the natural size of its
294	reginsters.
295
296	On most hosts, the address and cell are the same size as a target
297	word. */
298
299	#ifndef WITH_TARGET_WORD_BITSIZE
300	#define WITH_TARGET_WORD_BITSIZE 32
301	#endif
302
303	#ifndef WITH_TARGET_ADDRESS_BITSIZE
304	#define WITH_TARGET_ADDRESS_BITSIZE WITH_TARGET_WORD_BITSIZE
305	#endif
306
307	#ifndef WITH_TARGET_CELL_BITSIZE
308	#define WITH_TARGET_CELL_BITSIZE WITH_TARGET_WORD_BITSIZE
309	#endif
310
311	#ifndef WITH_TARGET_FLOATING_POINT_BITSIZE
312	#define WITH_TARGET_FLOATING_POINT_BITSIZE 64
313	#endif
314
315
316
317	/* Most significant bit of target:
318
319	Set this according to your target's bit numbering convention. For
320	the PowerPC it is zero, for many other targets it is 31 or 63.
321
322	For targets that can both have either 32 or 64 bit words and number
323	MSB as 31, 63. Define this to be (WITH_TARGET_WORD_BITSIZE - 1) */
324
325	#ifndef WITH_TARGET_WORD_MSB
326	#define WITH_TARGET_WORD_MSB 0
327	#endif
328
329
330
331	/* Program environment:
332
333	Three environments are available - UEA (user), VEA (virtual) and
334	OEA (perating). The former two are environment that users would
335	expect to see (VEA includes things like coherency and the time
336	base) while OEA is what an operating system expects to see. By
337	setting these to specific values, the build process is able to
338	eliminate non relevent environment code.
339
340	STATE_ENVIRONMENT(sd) specifies which of vea or oea is required for
341	the current runtime.
342
343	ALL_ENVIRONMENT is used during configuration as a value for
344	WITH_ENVIRONMENT to indicate the choice is runtime selectable.
345	The default is then USER_ENVIRONMENT [since allowing the user to choose
346	the default at configure time seems like featuritis and since people using
347	OPERATING_ENVIRONMENT have more to worry about than selecting the
348	default].
349	ALL_ENVIRONMENT is also used to set STATE_ENVIRONMENT to the
350	"uninitialized" state. */
351
352	enum sim_environment {
353	ALL_ENVIRONMENT,
354	USER_ENVIRONMENT,
355	VIRTUAL_ENVIRONMENT,
356	OPERATING_ENVIRONMENT
357	};
358
359	/* If the simulator specified SIM_AC_OPTION_ENVIRONMENT, indicate so. */
360	#ifdef WITH_ENVIRONMENT
361	#define SIM_HAVE_ENVIRONMENT
362	#endif
363
364	/* If the simulator doesn't specify SIM_AC_OPTION_ENVIRONMENT in its
365	configure.in, the only supported environment is the user environment. */
366	#ifndef WITH_ENVIRONMENT
367	#define WITH_ENVIRONMENT USER_ENVIRONMENT
368	#endif
369
370	#define DEFAULT_ENVIRONMENT (WITH_ENVIRONMENT != ALL_ENVIRONMENT \
371	? WITH_ENVIRONMENT \
372	: USER_ENVIRONMENT)
373
374
375	/* Callback & Modulo Memory.
376
377	Core includes a builtin memory type (raw_memory) that is
378	implemented using an array. raw_memory does not require any
379	additional functions etc.
380
381	Callback memory is where the core calls a core device for the data
382	it requires. Callback memory can be layered using priorities.
383
384	Modulo memory is a variation on raw_memory where ADDRESS & (MODULO
385	- 1) is used as the index into the memory array.
386
387	The OEA model uses callback memory for devices.
388
389	The VEA model uses callback memory to capture `page faults'.
390
391	BTW, while raw_memory could have been implemented as a callback,
392	profiling has shown that there is a biger win (at least for the
393	x86) in eliminating a function call for the most common
394	(raw_memory) case. */
395
396	#ifndef WITH_CALLBACK_MEMORY
397	#define WITH_CALLBACK_MEMORY 1
398	#endif
399
400	#ifndef WITH_MODULO_MEMORY
401	#define WITH_MODULO_MEMORY 0
402	#endif
403
404
405
406	/* Alignment:
407
408	A processor architecture may or may not handle miss aligned
409	transfers.
410
411	As alternatives: both little and big endian modes take an exception
412	(STRICT_ALIGNMENT); big and little endian models handle mis aligned
413	transfers (NONSTRICT_ALIGNMENT); or the address is forced into
414	alignment using a mask (FORCED_ALIGNMENT).
415
416	Mixed alignment should be specified when the simulator needs to be
417	able to change the alignment requirements on the fly (eg for
418	bi-endian support). */
419
420	enum sim_alignments {
421	MIXED_ALIGNMENT,
422	NONSTRICT_ALIGNMENT,
423	STRICT_ALIGNMENT,
424	FORCED_ALIGNMENT,
425	};
426
427	extern enum sim_alignments current_alignment;
428
429	#if !defined (WITH_ALIGNMENT)
430	#define WITH_ALIGNMENT 0
431	#endif
432
433	#if !defined (WITH_DEFAULT_ALIGNMENT)
434	#define WITH_DEFAULT_ALIGNMENT 0 /* fatal */
435	#endif
436
437
438
439
440	#define CURRENT_ALIGNMENT (WITH_ALIGNMENT \
441	? WITH_ALIGNMENT \
442	: current_alignment)
443
444
445
446	/* Floating point suport:
447
448	Should the processor trap for all floating point instructions (as
449	if the hardware wasn't implemented) or implement the floating point
450	instructions directly. */
451
452	#if defined (WITH_FLOATING_POINT)
453
454	#define SOFT_FLOATING_POINT 1
455	#define HARD_FLOATING_POINT 2
456
457	extern int current_floating_point;
458	#define CURRENT_FLOATING_POINT (WITH_FLOATING_POINT \
459	? WITH_FLOATING_POINT \
460	: current_floating_point)
461
462	#endif
463
464
465
466	/* Engine module.
467
468	Use the common start/stop/restart framework (sim-engine).
469	Simulators using the other modules but not the engine should define
470	WITH_ENGINE=0. */
471
472	#ifndef WITH_ENGINE
473	#define WITH_ENGINE 1
474	#endif
475
476
477
478	/* Debugging:
479
480	Control the inclusion of debugging code.
481	Debugging is only turned on in rare circumstances [say during development]
482	and is not intended to be turned on otherwise. */
483
484	#ifndef WITH_DEBUG
485	#define WITH_DEBUG 0
486	#endif
487
488	/* Include the tracing code. Disabling this eliminates all tracing
489	code */
490
491	#ifndef WITH_TRACE
492	#define WITH_TRACE (-1)
493	#endif
494
495	/* Include the profiling code. Disabling this eliminates all profiling
496	code. */
497
498	#ifndef WITH_PROFILE
499	#define WITH_PROFILE (-1)
500	#endif
501
502
503	/* include code that checks assertions scattered through out the
504	program */
505
506	#ifndef WITH_ASSERT
507	#define WITH_ASSERT 1
508	#endif
509
510
511	/* Whether to check instructions for reserved bits being set */
512
513	/* #define WITH_RESERVED_BITS 1 */
514
515
516
517	/* include monitoring code */
518
519	#define MONITOR_INSTRUCTION_ISSUE 1
520	#define MONITOR_LOAD_STORE_UNIT 2
521	/* do not define WITH_MON by default */
522	#define DEFAULT_WITH_MON (MONITOR_LOAD_STORE_UNIT \
523	\| MONITOR_INSTRUCTION_ISSUE)
524
525
526	/* Current CPU model (models are in the generated models.h include file) */
527	#ifndef WITH_MODEL
528	#define WITH_MODEL 0
529	#endif
530
531	#define CURRENT_MODEL (WITH_MODEL \
532	? WITH_MODEL \
533	: current_model)
534
535	#ifndef WITH_DEFAULT_MODEL
536	#define WITH_DEFAULT_MODEL DEFAULT_MODEL
537	#endif
538
539	#define MODEL_ISSUE_IGNORE (-1)
540	#define MODEL_ISSUE_PROCESS 1
541
542	#ifndef WITH_MODEL_ISSUE
543	#define WITH_MODEL_ISSUE 0
544	#endif
545
546	extern int current_model_issue;
547	#define CURRENT_MODEL_ISSUE (WITH_MODEL_ISSUE \
548	? WITH_MODEL_ISSUE \
549	: current_model_issue)
550
551
552
553	/* Whether or not input/output just uses stdio, or uses printf_filtered for
554	output, and polling input for input. */
555
556	#define DONT_USE_STDIO 2
557	#define DO_USE_STDIO 1
558
559	#ifndef WITH_STDIO
560	#define WITH_STDIO 0
561	#endif
562
563	extern int current_stdio;
564	#define CURRENT_STDIO (WITH_STDIO \
565	? WITH_STDIO \
566	: current_stdio)
567
568
569
570	/* Specify that configured calls pass parameters in registers when the
571	convention is that they are placed on the stack */
572
573	#ifndef WITH_REGPARM
574	#define WITH_REGPARM 0
575	#endif
576
577	/* Specify that configured calls use an alternative calling mechanism */
578
579	#ifndef WITH_STDCALL
580	#define WITH_STDCALL 0
581	#endif
582
583
584	/* Set the default state configuration, before parsing argv. */
585
586	extern void sim_config_default (SIM_DESC sd);
587
588	/* Complete and verify the simulator configuration. */
589
590	extern SIM_RC sim_config (SIM_DESC sd);
591
592	/* Print the simulator configuration. */
593
594	extern void print_sim_config (SIM_DESC sd);
595
596
597	#endif