1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
|
dnl Copyright (C) 2005-2022 Free Software Foundation, Inc.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
dnl
dnl NB: This file is included in sim/configure, so keep settings namespaced.
dnl DEPRECATED
dnl
dnl Instead of defining a `subtarget' macro, code should be checking the value
dnl of {STATE,CPU}_ARCHITECTURE to identify the architecture dnl in question.
AC_MSG_CHECKING([mips subtarget])
SIM_MIPS_SUBTARGET=
AS_CASE([${target}],
[mips64vr*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"],
[mips*tx39*], [SIM_MIPS_SUBTARGET="-DSUBTARGET_R3900=1"],
[mips*-sde-elf*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"],
[mips*-mti-elf*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"],
[mipsisa32*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"],
[mipsisa64*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"])
AC_MSG_RESULT([${SIM_MIPS_SUBTARGET:-none}])
AC_SUBST(SIM_MIPS_SUBTARGET)
dnl Select the bitsize of the target.
AC_MSG_CHECKING([mips bitsize])
SIM_MIPS_BITSIZE=64
AS_CASE([${target}],
[mips*-sde-elf*], [SIM_MIPS_BITSIZE=64],
[mips*-mti-elf*], [SIM_MIPS_BITSIZE=64],
[mips64*-*-*], [SIM_MIPS_BITSIZE=64],
[mips16*-*-*], [SIM_MIPS_BITSIZE=64],
[mipsisa32*-*-*], [SIM_MIPS_BITSIZE=32],
[mipsisa64*-*-*], [SIM_MIPS_BITSIZE=64],
[mips*-*-*], [SIM_MIPS_BITSIZE=32])
AC_MSG_RESULT([$SIM_MIPS_BITSIZE])
AC_SUBST(SIM_MIPS_BITSIZE)
dnl Select the floating hardware support of the target.
AC_MSG_CHECKING([mips fpu bitsize])
SIM_MIPS_FPU_BITSIZE=64
AS_CASE([${target}],
[mips*tx39*], [SIM_MIPS_FPU_BITSIZE=32],
[mips*-sde-elf*], [SIM_MIPS_FPU_BITSIZE=64],
[mips*-mti-elf*], [SIM_MIPS_FPU_BITSIZE=64],
[mipsisa32*-*-*], [SIM_MIPS_FPU_BITSIZE=64],
[mipsisa64*-*-*], [SIM_MIPS_FPU_BITSIZE=64],
[mips*-*-*], [SIM_MIPS_FPU_BITSIZE=32])
AC_MSG_RESULT([$SIM_MIPS_FPU_BITSIZE])
AC_SUBST(SIM_MIPS_FPU_BITSIZE)
dnl Select the IGEN architecture.
SIM_MIPS_GEN=SINGLE
sim_mips_single_machine="-M mipsIV"
sim_mips_m16_machine="-M mips16,mipsIII"
sim_mips_single_filter="32,64,f"
sim_mips_m16_filter="16"
AS_CASE([${target}],
[mips*tx39*], [dnl
SIM_MIPS_GEN=SINGLE
sim_mips_single_filter="32,f"
sim_mips_single_machine="-M r3900"],
[mips64vr41*], [dnl
SIM_MIPS_GEN=M16
sim_mips_single_machine="-M vr4100"
sim_mips_m16_machine="-M vr4100"],
[mips64*], [dnl
SIM_MIPS_GEN=MULTI
sim_mips_multi_configs="\
vr4100:mipsIII,mips16,vr4100:32,64:mips4100,mips4111\
vr4120:mipsIII,mips16,vr4120:32,64:mips4120\
vr5000:mipsIV:32,64,f:mips4300,mips5000,mips8000\
vr5400:mipsIV,vr5400:32,64,f:mips5400\
vr5500:mipsIV,vr5500:32,64,f:mips5500"
sim_mips_multi_default=mips5000],
[mips*-sde-elf* | mips*-mti-elf*], [dnl
SIM_MIPS_GEN=MULTI
sim_mips_multi_configs="\
micromips:micromips64,micromipsdsp:32,64,f:mips_micromips\
mipsisa64r2:mips64r2,mips16,mips16e,mdmx,dsp,dsp2,mips3d,smartmips:32,64,f:mipsisa32r2,mipsisa64r2,mipsisa32r5,mipsisa64r5\
mipsisa64r6:mips64r6:32,64,f:mipsisa32r6,mipsisa64r6"
sim_mips_multi_default=mipsisa64r2],
[mips16*], [dnl
SIM_MIPS_GEN=M16],
[mipsisa32r2*], [dnl
SIM_MIPS_GEN=MULTI
sim_mips_multi_configs="\
micromips:micromips32,micromipsdsp:32,f:mips_micromips\
mips32r2:mips32r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2,smartmips:32,f:mipsisa32r2"
sim_mips_multi_default=mipsisa32r2],
[mipsisa32r6*], [dnl
SIM_MIPS_GEN=SINGLE
sim_mips_single_machine="-M mips32r6"
sim_mips_single_filter="32,f"],
[mipsisa32*], [dnl
SIM_MIPS_GEN=M16
sim_mips_single_machine="-M mips32,mips16,mips16e,smartmips"
sim_mips_m16_machine="-M mips16,mips16e,mips32"
sim_mips_single_filter="32,f"],
[mipsisa64r2*], [dnl
SIM_MIPS_GEN=M16
sim_mips_single_machine="-M mips64r2,mips3d,mips16,mips16e,mdmx,dsp,dsp2"
sim_mips_m16_machine="-M mips16,mips16e,mips64r2"],
[mipsisa64r6*], [dnl
SIM_MIPS_GEN=SINGLE
sim_mips_single_machine="-M mips64r6"],
[mipsisa64sb1*], [dnl
SIM_MIPS_GEN=SINGLE
sim_mips_single_machine="-M mips64,mips3d,sb1"],
[mipsisa64*], [dnl
SIM_MIPS_GEN=M16
sim_mips_single_machine="-M mips64,mips3d,mips16,mips16e,mdmx"
sim_mips_m16_machine="-M mips16,mips16e,mips64"],
[mips*lsi*], [dnl
SIM_MIPS_GEN=M16
sim_mips_single_machine="-M mipsIII,mips16"
sim_mips_m16_machine="-M mips16,mipsIII"
sim_mips_single_filter="32,f"],
[mips*], [dnl
SIM_MIPS_GEN=SINGLE
sim_mips_single_filter="32,f"])
dnl The MULTI generator can combine several simulation engines into one.
dnl executable. A configuration which uses the MULTI should set two
dnl variables: ${sim_mips_multi_configs} and ${sim_mips_multi_default}.
dnl
dnl ${sim_mips_multi_configs} is the list of engines to build. Each
dnl space-separated entry has the form NAME:MACHINE:FILTER:BFDMACHS,
dnl where:
dnl
dnl - NAME is a C-compatible prefix for the engine,
dnl - MACHINE is a -M argument,
dnl - FILTER is a -F argument, and
dnl - BFDMACHS is a comma-separated list of bfd machines that the
dnl simulator can run.
dnl
dnl Each entry will have a separate simulation engine whose prefix is
dnl m32<NAME>. If the machine list includes "mips16", there will also
dnl be a mips16 engine, prefix m16<NAME>. The mips16 engine will be
dnl generated using the same machine list as the 32-bit version,
dnl but the filter will be "16" instead of FILTER.
dnl
dnl The simulator compares the bfd mach against BFDMACHS to decide
dnl which engine to use. Entries in BFDMACHS should be bfd_mach
dnl values with "bfd_mach_" removed. ${sim_mips_multi_default} says
dnl which entry should be the default.
SIM_MIPS_IGEN_ITABLE_FLAGS=
SIM_MIPS_MULTI_SRC=
SIM_MIPS_MULTI_OBJ=
SIM_MIPS_MULTI_IGEN_CONFIGS=
AS_VAR_IF([SIM_MIPS_GEN], ["MULTI"], [dnl
dnl Verify the AS_CASE logic above is setup correctly.
AS_IF([test -z "${sim_mips_multi_configs}" || test -z "${sim_mips_multi_default}"], [dnl
AC_MSG_ERROR(Error in configure.ac: MULTI simulator not set up correctly)])
dnl Start in a known state.
AS_MKDIR_P([mips])
rm -f mips/multi-include.h mips/multi-run.c
sim_mips_seen_default=no
cat << __EOF__ > mips/multi-run.c
/* Main entry point for MULTI simulators.
Copyright (C) 2003-2022 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
--
This file was generated by sim/mips/configure. */
#include "sim-main.h"
#include "multi-include.h"
#include "elf-bfd.h"
#include "elfxx-mips.h"
#include "elf/mips.h"
#define SD sd
#define CPU cpu
void
sim_engine_run (SIM_DESC sd,
int next_cpu_nr,
int nr_cpus,
int signal) /* ignore */
{
int mach;
if (STATE_ARCHITECTURE (sd) == NULL)
mach = bfd_mach_${sim_mips_multi_default};
else if (elf_elfheader (STATE_PROG_BFD (sd))->e_flags
& EF_MIPS_ARCH_ASE_MICROMIPS)
mach = bfd_mach_mips_micromips;
else
{
mach = _bfd_elf_mips_mach (elf_elfheader (STATE_PROG_BFD (sd))->e_flags);
if (!mach)
mach = STATE_ARCHITECTURE (SD)->mach;
}
switch (mach)
{
__EOF__
for fc in ${sim_mips_multi_configs}; do
dnl Split up the entry. ${c} contains the first three elements.
dnl Note: outer sqaure brackets are m4 quotes.
c=`echo ${fc} | sed ['s/:[^:]*$//']`
bfdmachs=`echo ${fc} | sed 's/.*://'`
name=`echo ${c} | sed 's/:.*//'`
machine=`echo ${c} | sed 's/.*:\(.*\):.*/\1/'`
filter=`echo ${c} | sed 's/.*://'`
dnl Build the following lists:
dnl
dnl SIM_MIPS_IGEN_ITABLE_FLAGS: all -M and -F flags used by the simulator
dnl SIM_MIPS_MULTI_SRC: all makefile-generated source files
dnl SIM_MIPS_MULTI_OBJ: the objects for ${SIM_MIPS_MULTI_SRC}
dnl SIM_MIPS_MULTI_IGEN_CONFIGS: igen configuration strings.
dnl
dnl Each entry in ${SIM_MIPS_MULTI_IGEN_CONFIGS} is a prefix (m32
dnl or m16) followed by the NAME, MACHINE and FILTER part of
dnl the ${sim_mips_multi_configs} entry.
AS_VAR_APPEND([SIM_MIPS_IGEN_ITABLE_FLAGS], [" -F ${filter} -M ${machine}"])
dnl Check whether special handling is needed.
AS_CASE([${c}],
[*:*mips16*:*], [dnl
dnl Run igen twice, once for normal mode and once for mips16.
ws="m32 m16"
dnl The top-level function for the mips16 simulator is
dnl in a file m16${name}_run.c, generated by the
dnl tmp-run-multi Makefile rule.
AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" m16${name}_run.c"])
AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" m16${name}_run.o"])
AS_VAR_APPEND([SIM_MIPS_IGEN_ITABLE_FLAGS], [" -F 16"])
],
[*:*micromips32*:*], [dnl
dnl Run igen thrice, once for micromips32, once for micromips16,
dnl and once for m32.
ws="micromips_m32 micromips16 micromips32"
dnl The top-level function for the micromips simulator is
dnl in a file micromips${name}_run.c, generated by the
dnl tmp-run-multi Makefile rule.
AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" micromips${name}_run.c"])
AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" micromips${name}_run.o"])
AS_VAR_APPEND([SIM_MIPS_IGEN_ITABLE_FLAGS], [" -F 16,32"])
],
[*:*micromips64*:*], [dnl
dnl Run igen thrice, once for micromips64, once for micromips16,
dnl and once for m64.
ws="micromips_m64 micromips16 micromips64"
dnl The top-level function for the micromips simulator is
dnl in a file micromips${name}_run.c, generated by the
dnl tmp-run-multi Makefile rule.
AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" micromips${name}_run.c"])
AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" micromips${name}_run.o"])
AS_VAR_APPEND([SIM_MIPS_IGEN_ITABLE_FLAGS], [" -F 16,32,64"])
],
[ws=m32])
dnl Now add the list of igen-generated files to ${SIM_MIPS_MULTI_SRC}
dnl and ${SIM_MIPS_MULTI_OBJ}.
for w in ${ws}; do
for base in engine icache idecode model semantics support; do
AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" ${w}${name}_${base}.c"])
AS_VAR_APPEND([SIM_MIPS_MULTI_SRC], [" ${w}${name}_${base}.h"])
AS_VAR_APPEND([SIM_MIPS_MULTI_OBJ], [" ${w}${name}_${base}.o"])
done
AS_VAR_APPEND([SIM_MIPS_MULTI_IGEN_CONFIGS], [" ${w}${c}"])
done
dnl Add an include for the engine.h file. This file declares the
dnl top-level foo_engine_run() function.
echo "#include \"${w}${name}_engine.h\"" >> mips/multi-include.h
dnl Add case statements for this engine to sim_engine_run().
for mach in `echo ${bfdmachs} | sed 's/,/ /g'`; do
echo " case bfd_mach_${mach}:" >> mips/multi-run.c
AS_VAR_IF([mach], ["${sim_mips_multi_default}"], [dnl
echo " default:" >> mips/multi-run.c
sim_mips_seen_default=yes
])
done
echo " ${w}${name}_engine_run (sd, next_cpu_nr, nr_cpus, signal);" \
>> mips/multi-run.c
echo " break;" >> mips/multi-run.c
done
dnl Check whether we added a 'default:' label.
AS_VAR_IF([sim_mips_seen_default], [no], [dnl
AC_MSG_ERROR(Error in configure.ac: \${sim_mips_multi_configs} doesn't have an entry for \${sim_mips_multi_default})])
cat << __EOF__ >> mips/multi-run.c
}
}
__EOF__
], [dnl
dnl For clean-extra target.
SIM_MIPS_MULTI_SRC=doesnt-exist.c
SIM_MIPS_IGEN_ITABLE_FLAGS='$(SIM_MIPS_SINGLE_FLAGS)'
AS_VAR_IF([SIM_MIPS_GEN], ["M16"], [AS_VAR_APPEND([SIM_MIPS_IGEN_ITABLE_FLAGS], [' $(SIM_MIPS_M16_FLAGS)'])])
])
SIM_MIPS_SINGLE_FLAGS="-F ${sim_mips_single_filter} ${sim_mips_single_machine}"
SIM_MIPS_M16_FLAGS="-F ${sim_mips_m16_filter} ${sim_mips_m16_machine}"
AC_SUBST(SIM_MIPS_SINGLE_FLAGS)
AC_SUBST(SIM_MIPS_M16_FLAGS)
AC_SUBST(SIM_MIPS_GEN)
AC_SUBST(SIM_MIPS_IGEN_ITABLE_FLAGS)
AC_SUBST(SIM_MIPS_MULTI_IGEN_CONFIGS)
AC_SUBST(SIM_MIPS_MULTI_SRC)
AC_SUBST(SIM_MIPS_MULTI_OBJ)
AM_CONDITIONAL([SIM_MIPS_GEN_MODE_SINGLE], [test "$SIM_MIPS_GEN" = "SINGLE"])
AM_CONDITIONAL([SIM_MIPS_GEN_MODE_M16], [test "$SIM_MIPS_GEN" = "M16"])
AM_CONDITIONAL([SIM_MIPS_GEN_MODE_MULTI], [test "$SIM_MIPS_GEN" = "MULTI"])
|
