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

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

   Copyright 2002-2015 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 3 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, see <http://www.gnu.org/licenses/>.  */


#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.ac, 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)

/* To be prepended to simulator calls with absolute file paths and
   chdir:ed at startup.  */
extern char *simulator_sysroot;

/* 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


/* 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.  Default to all tracing but internal debug.  */

#ifndef WITH_TRACE
#define WITH_TRACE			(~TRACE_debug)
#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.
b85e4829 AC	2
32d0add0	3	Copyright 2002-2015 Free Software Foundation, Inc.
b85e4829 AC	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
4744ac1b	11	the Free Software Foundation; either version 3 of the License, or
b85e4829 AC	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
4744ac1b	20	along with this program. If not, see <http://www.gnu.org/licenses/>. */
c906108c SS	21
	22
	23	#ifndef SIM_CONFIG_H
	24	#define SIM_CONFIG_H
	25
	26
	27	/* Host dependant:
	28
	29	The CPP below defines information about the compilation host. In
	30	particular it defines the macro's:
	31
	32	WITH_HOST_BYTE_ORDER The byte order of the host. Could
	33	be any of LITTLE_ENDIAN, BIG_ENDIAN
	34	or 0 (unknown). Those macro's also
	35	need to be defined.
	36
	37	*/
	38
	39
	40	/* NetBSD:
	41
	42	NetBSD is easy, everything you could ever want is in a header file
	43	(well almost :-) */
	44
	45	#if defined(__NetBSD__)
	46	# include <machine/endian.h>
	47	# if (WITH_HOST_BYTE_ORDER == 0)
	48	# undef WITH_HOST_BYTE_ORDER
	49	# define WITH_HOST_BYTE_ORDER BYTE_ORDER
	50	# endif
	51	# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
	52	# error "host endian incorrectly configured, check config.h"
	53	# endif
	54	#endif
	55
	56	/* Linux is similarly easy. */
	57
	58	#if defined(__linux__)
	59	# include <endian.h>
	60	# if defined(__LITTLE_ENDIAN) && !defined(LITTLE_ENDIAN)
	61	# define LITTLE_ENDIAN __LITTLE_ENDIAN
	62	# endif
	63	# if defined(__BIG_ENDIAN) && !defined(BIG_ENDIAN)
	64	# define BIG_ENDIAN __BIG_ENDIAN
	65	# endif
	66	# if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
	67	# define BYTE_ORDER __BYTE_ORDER
	68	# endif
	69	# if (WITH_HOST_BYTE_ORDER == 0)
	70	# undef WITH_HOST_BYTE_ORDER
	71	# define WITH_HOST_BYTE_ORDER BYTE_ORDER
	72	# endif
	73	# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
	74	# error "host endian incorrectly configured, check config.h"
	75	# endif
	76	#endif
	77
	78	/* INSERT HERE - hosts that have available LITTLE_ENDIAN and
	79	BIG_ENDIAN macro's */
	80
	81
	82	/* Some hosts don't define LITTLE_ENDIAN or BIG_ENDIAN, help them out */
	83
	84	#ifndef LITTLE_ENDIAN
85	#define LITTLE_ENDIAN 1234
86	#endif
87	#ifndef BIG_ENDIAN
88	#define BIG_ENDIAN 4321
89	#endif
90
91
92	/* SunOS on SPARC:
93
94	Big endian last time I looked */
95
96	#if defined(sparc) \|\| defined(__sparc__)
97	# if (WITH_HOST_BYTE_ORDER == 0)
98	# undef WITH_HOST_BYTE_ORDER
99	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
100	# endif
101	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
102	# error "sun was big endian last time I looked ..."
103	# endif
104	#endif
105
106
107	/* Random x86
108
109	Little endian last time I looked */
110
111	#if defined(i386) \|\| defined(i486) \|\| defined(i586) \|\| defined (i686) \|\| defined(__i386__) \|\| defined(__i486__) \|\| defined(__i586__) \|\| defined (__i686__)
112	# if (WITH_HOST_BYTE_ORDER == 0)
113	# undef WITH_HOST_BYTE_ORDER
114	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
115	# endif
116	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
117	# error "x86 was little endian last time I looked ..."
118	# endif
119	#endif
120
121	#if (defined (__i486__) \|\| defined (__i586__) \|\| defined (__i686__)) && defined(__GNUC__) && WITH_BSWAP
122	#undef htonl
123	#undef ntohl
124	#define htonl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
125	#define ntohl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
126	#endif
127
128	/* Power or PowerPC running AIX */
129	#if defined(_POWER) && defined(_AIX)
130	# if (WITH_HOST_BYTE_ORDER == 0)
131	# undef WITH_HOST_BYTE_ORDER
132	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
133	# endif
134	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
135	# error "Power/PowerPC AIX was big endian last time I looked ..."
136	# endif
137	#endif
138
139	/* Solaris running PowerPC */
140	#if defined(__PPC) && defined(__sun__)
141	# if (WITH_HOST_BYTE_ORDER == 0)
142	# undef WITH_HOST_BYTE_ORDER
143	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
144	# endif
145	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
146	# error "Solaris on PowerPCs was little endian last time I looked ..."
147	# endif
148	#endif
149
150	/* HP/PA */
151	#if defined(__hppa__)
152	# if (WITH_HOST_BYTE_ORDER == 0)
153	# undef WITH_HOST_BYTE_ORDER
154	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
155	# endif
156	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
157	# error "HP/PA was big endian last time I looked ..."
158	# endif
159	#endif
160
161	/* Big endian MIPS */
162	#if defined(__MIPSEB__)
163	# if (WITH_HOST_BYTE_ORDER == 0)
164	# undef WITH_HOST_BYTE_ORDER
165	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
166	# endif
167	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
168	# error "MIPSEB was big endian last time I looked ..."
169	# endif
170	#endif
171
172	/* Little endian MIPS */
173	#if defined(__MIPSEL__)
174	# if (WITH_HOST_BYTE_ORDER == 0)
175	# undef WITH_HOST_BYTE_ORDER
176	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
177	# endif
178	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
179	# error "MIPSEL was little endian last time I looked ..."
180	# endif
181	#endif
182
183	/* Windows NT */
184	#if defined(__WIN32__)
185	# if (WITH_HOST_BYTE_ORDER == 0)
186	# undef WITH_HOST_BYTE_ORDER
187	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
188	# endif
189	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
190	# error "Windows NT was little endian last time I looked ..."
191	# endif
192	#endif
193
194	/* Alpha running DEC unix */
195	#if defined(__osf__) && defined(__alpha__)
196	# if (WITH_HOST_BYTE_ORDER == 0)
197	# undef WITH_HOST_BYTE_ORDER
198	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
199	# endif
200	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
201	# error "AXP running DEC unix was little endian last time I looked ..."
202	# endif
203	#endif
204
205
206	/* INSERT HERE - additional hosts that do not have LITTLE_ENDIAN and
207	BIG_ENDIAN definitions available. */
208	\f
209	/* Until devices and tree properties are sorted out, tell sim-config.c
210	not to call the tree_find_foo fns. */
211	#define WITH_TREE_PROPERTIES 0
212
213
214	/* endianness of the host/target:
215
216	If the build process is aware (at compile time) of the endianness
217	of the host/target it is able to eliminate slower generic endian
218	handling code.
219
220	Possible values are 0 (unknown), LITTLE_ENDIAN, BIG_ENDIAN */
221
222	#ifndef WITH_HOST_BYTE_ORDER
223	#define WITH_HOST_BYTE_ORDER 0 /unknown/
224	#endif
225
226	#ifndef WITH_TARGET_BYTE_ORDER
227	#define WITH_TARGET_BYTE_ORDER 0 /unknown/
228	#endif
229
230	#ifndef WITH_DEFAULT_TARGET_BYTE_ORDER
231	#define WITH_DEFAULT_TARGET_BYTE_ORDER 0 /* fatal */
232	#endif
233
234	extern int current_host_byte_order;
235	#define CURRENT_HOST_BYTE_ORDER (WITH_HOST_BYTE_ORDER \
236	? WITH_HOST_BYTE_ORDER \
237	: current_host_byte_order)
238	extern int current_target_byte_order;
239	#define CURRENT_TARGET_BYTE_ORDER (WITH_TARGET_BYTE_ORDER \
240	? WITH_TARGET_BYTE_ORDER \
241	: current_target_byte_order)
242
243
244
245	/* XOR endian.
246
247	In addition to the above, the simulator can support the horrible
248	XOR endian mode (as found in the PowerPC and MIPS ISA). See
249	sim-core for more information.
250
251	If WITH_XOR_ENDIAN is non-zero, it specifies the number of bytes
252	potentially involved in the XOR munge. A typical value is 8. */
253
254	#ifndef WITH_XOR_ENDIAN
255	#define WITH_XOR_ENDIAN 0
256	#endif
257
258
259
260	/* Intel host BSWAP support:
261
262	Whether to use bswap on the 486 and pentiums rather than the 386
263	sequence that uses xchgb/rorl/xchgb */
264	#ifndef WITH_BSWAP
265	#define WITH_BSWAP 0
266	#endif
267
268
269
270	/* SMP support:
271
272	Sets a limit on the number of processors that can be simulated. If
273	WITH_SMP is set to zero (0), the simulator is restricted to
274	suporting only one processor (and as a consequence leaves the SMP
275	code out of the build process).
276
277	The actual number of processors is taken from the device
278	/options/smp@<nr-cpu> */
279
280	#if defined (WITH_SMP) && (WITH_SMP > 0)
281	#define MAX_NR_PROCESSORS WITH_SMP
282	#endif
283
284	#ifndef MAX_NR_PROCESSORS
285	#define MAX_NR_PROCESSORS 1
286	#endif
287
288
289	/* Size of target word, address and OpenFirmware Cell:
290
291	The target word size is determined by the natural size of its
292	reginsters.
293
294	On most hosts, the address and cell are the same size as a target
295	word. */
296
297	#ifndef WITH_TARGET_WORD_BITSIZE
298	#define WITH_TARGET_WORD_BITSIZE 32
299	#endif
300
301	#ifndef WITH_TARGET_ADDRESS_BITSIZE
302	#define WITH_TARGET_ADDRESS_BITSIZE WITH_TARGET_WORD_BITSIZE
303	#endif
304
305	#ifndef WITH_TARGET_CELL_BITSIZE
306	#define WITH_TARGET_CELL_BITSIZE WITH_TARGET_WORD_BITSIZE
307	#endif
308
309	#ifndef WITH_TARGET_FLOATING_POINT_BITSIZE
310	#define WITH_TARGET_FLOATING_POINT_BITSIZE 64
311	#endif
312
313
314
315	/* Most significant bit of target:
316
317	Set this according to your target's bit numbering convention. For
318	the PowerPC it is zero, for many other targets it is 31 or 63.
319
320	For targets that can both have either 32 or 64 bit words and number
321	MSB as 31, 63. Define this to be (WITH_TARGET_WORD_BITSIZE - 1) */
322
323	#ifndef WITH_TARGET_WORD_MSB
324	#define WITH_TARGET_WORD_MSB 0
325	#endif
326
327
328
329	/* Program environment:
330
331	Three environments are available - UEA (user), VEA (virtual) and
332	OEA (perating). The former two are environment that users would
333	expect to see (VEA includes things like coherency and the time
334	base) while OEA is what an operating system expects to see. By
335	setting these to specific values, the build process is able to
336	eliminate non relevent environment code.
337
338	STATE_ENVIRONMENT(sd) specifies which of vea or oea is required for
339	the current runtime.
340
341	ALL_ENVIRONMENT is used during configuration as a value for
342	WITH_ENVIRONMENT to indicate the choice is runtime selectable.
343	The default is then USER_ENVIRONMENT [since allowing the user to choose
344	the default at configure time seems like featuritis and since people using
345	OPERATING_ENVIRONMENT have more to worry about than selecting the
346	default].
347	ALL_ENVIRONMENT is also used to set STATE_ENVIRONMENT to the
348	"uninitialized" state. */
349
350	enum sim_environment {
351	ALL_ENVIRONMENT,
352	USER_ENVIRONMENT,
353	VIRTUAL_ENVIRONMENT,
354	OPERATING_ENVIRONMENT
355	};
356
357	/* If the simulator specified SIM_AC_OPTION_ENVIRONMENT, indicate so. */
358	#ifdef WITH_ENVIRONMENT
359	#define SIM_HAVE_ENVIRONMENT
360	#endif
361
362	/* If the simulator doesn't specify SIM_AC_OPTION_ENVIRONMENT in its
306f4178	363	configure.ac, the only supported environment is the user environment. */
c906108c SS	364	#ifndef WITH_ENVIRONMENT
	365	#define WITH_ENVIRONMENT USER_ENVIRONMENT
	366	#endif
	367
	368	#define DEFAULT_ENVIRONMENT (WITH_ENVIRONMENT != ALL_ENVIRONMENT \
	369	? WITH_ENVIRONMENT \
	370	: USER_ENVIRONMENT)
	371
027e2a04 HPN	372	/* To be prepended to simulator calls with absolute file paths and
	373	chdir:ed at startup. */
	374	extern char *simulator_sysroot;
c906108c SS	375
	376	/* Callback & Modulo Memory.
	377
	378	Core includes a builtin memory type (raw_memory) that is
	379	implemented using an array. raw_memory does not require any
	380	additional functions etc.
	381
	382	Callback memory is where the core calls a core device for the data
	383	it requires. Callback memory can be layered using priorities.
	384
	385	Modulo memory is a variation on raw_memory where ADDRESS & (MODULO
	386	- 1) is used as the index into the memory array.
	387
	388	The OEA model uses callback memory for devices.
	389
	390	The VEA model uses callback memory to capture `page faults'.
	391
	392	BTW, while raw_memory could have been implemented as a callback,
	393	profiling has shown that there is a biger win (at least for the
	394	x86) in eliminating a function call for the most common
	395	(raw_memory) case. */
	396
	397	#ifndef WITH_CALLBACK_MEMORY
	398	#define WITH_CALLBACK_MEMORY 1
	399	#endif
	400
c906108c SS	401
	402
	403	/* Alignment:
	404
	405	A processor architecture may or may not handle miss aligned
	406	transfers.
	407
	408	As alternatives: both little and big endian modes take an exception
	409	(STRICT_ALIGNMENT); big and little endian models handle mis aligned
	410	transfers (NONSTRICT_ALIGNMENT); or the address is forced into
	411	alignment using a mask (FORCED_ALIGNMENT).
	412
	413	Mixed alignment should be specified when the simulator needs to be
	414	able to change the alignment requirements on the fly (eg for
	415	bi-endian support). */
	416
	417	enum sim_alignments {
	418	MIXED_ALIGNMENT,
	419	NONSTRICT_ALIGNMENT,
	420	STRICT_ALIGNMENT,
	421	FORCED_ALIGNMENT,
	422	};
	423
	424	extern enum sim_alignments current_alignment;
	425
	426	#if !defined (WITH_ALIGNMENT)
	427	#define WITH_ALIGNMENT 0
	428	#endif
	429
	430	#if !defined (WITH_DEFAULT_ALIGNMENT)
	431	#define WITH_DEFAULT_ALIGNMENT 0 /* fatal */
	432	#endif
	433
	434
	435
	436
	437	#define CURRENT_ALIGNMENT (WITH_ALIGNMENT \
	438	? WITH_ALIGNMENT \
	439	: current_alignment)
	440
	441
	442
	443	/* Floating point suport:
	444
	445	Should the processor trap for all floating point instructions (as
	446	if the hardware wasn't implemented) or implement the floating point
	447	instructions directly. */
	448
	449	#if defined (WITH_FLOATING_POINT)
	450
	451	#define SOFT_FLOATING_POINT 1
	452	#define HARD_FLOATING_POINT 2
	453
	454	extern int current_floating_point;
	455	#define CURRENT_FLOATING_POINT (WITH_FLOATING_POINT \
	456	? WITH_FLOATING_POINT \
	457	: current_floating_point)
	458
	459	#endif
	460
	461
	462
	463	/* Engine module.
	464
465	Use the common start/stop/restart framework (sim-engine).
466	Simulators using the other modules but not the engine should define
467	WITH_ENGINE=0. */
468
469	#ifndef WITH_ENGINE
470	#define WITH_ENGINE 1
471	#endif
472
473
474
475	/* Debugging:
476
477	Control the inclusion of debugging code.
478	Debugging is only turned on in rare circumstances [say during development]
479	and is not intended to be turned on otherwise. */
480
481	#ifndef WITH_DEBUG
482	#define WITH_DEBUG 0
483	#endif
484
485	/* Include the tracing code. Disabling this eliminates all tracing
4953dc20	486	code. Default to all tracing but internal debug. */
c906108c SS	487
c906108c SS	488	#ifndef WITH_TRACE
4953dc20	489	#define WITH_TRACE (~TRACE_debug)
c906108c SS	490	#endif
	491
	492	/* Include the profiling code. Disabling this eliminates all profiling
	493	code. */
	494
	495	#ifndef WITH_PROFILE
	496	#define WITH_PROFILE (-1)
	497	#endif
	498
	499
	500	/* include code that checks assertions scattered through out the
	501	program */
	502
	503	#ifndef WITH_ASSERT
	504	#define WITH_ASSERT 1
	505	#endif
	506
	507
	508	/* Whether to check instructions for reserved bits being set */
	509
	510	/* #define WITH_RESERVED_BITS 1 */
	511
	512
	513
	514	/* include monitoring code */
	515
	516	#define MONITOR_INSTRUCTION_ISSUE 1
	517	#define MONITOR_LOAD_STORE_UNIT 2
	518	/* do not define WITH_MON by default */
	519	#define DEFAULT_WITH_MON (MONITOR_LOAD_STORE_UNIT \
	520	\| MONITOR_INSTRUCTION_ISSUE)
	521
	522
	523	/* Current CPU model (models are in the generated models.h include file) */
	524	#ifndef WITH_MODEL
	525	#define WITH_MODEL 0
	526	#endif
	527
	528	#define CURRENT_MODEL (WITH_MODEL \
	529	? WITH_MODEL \
	530	: current_model)
	531
	532	#ifndef WITH_DEFAULT_MODEL
	533	#define WITH_DEFAULT_MODEL DEFAULT_MODEL
	534	#endif
	535
	536	#define MODEL_ISSUE_IGNORE (-1)
	537	#define MODEL_ISSUE_PROCESS 1
	538
	539	#ifndef WITH_MODEL_ISSUE
	540	#define WITH_MODEL_ISSUE 0
	541	#endif
	542
	543	extern int current_model_issue;
	544	#define CURRENT_MODEL_ISSUE (WITH_MODEL_ISSUE \
	545	? WITH_MODEL_ISSUE \
	546	: current_model_issue)
	547
	548
	549
	550	/* Whether or not input/output just uses stdio, or uses printf_filtered for
	551	output, and polling input for input. */
	552
	553	#define DONT_USE_STDIO 2
554	#define DO_USE_STDIO 1
555
556	#ifndef WITH_STDIO
557	#define WITH_STDIO 0
558	#endif
559
560	extern int current_stdio;
561	#define CURRENT_STDIO (WITH_STDIO \
562	? WITH_STDIO \
563	: current_stdio)
564
565
566
567	/* Specify that configured calls pass parameters in registers when the
568	convention is that they are placed on the stack */
569
570	#ifndef WITH_REGPARM
571	#define WITH_REGPARM 0
572	#endif
573
574	/* Specify that configured calls use an alternative calling mechanism */
575
576	#ifndef WITH_STDCALL
577	#define WITH_STDCALL 0
578	#endif
579
580
581	/* Set the default state configuration, before parsing argv. */
582
583	extern void sim_config_default (SIM_DESC sd);
584
585	/* Complete and verify the simulator configuration. */
586
587	extern SIM_RC sim_config (SIM_DESC sd);
588
589	/* Print the simulator configuration. */
590
591	extern void print_sim_config (SIM_DESC sd);
592
593
594	#endif