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
|
dnl Process this file with autoconf to produce a configure script.
sinclude(../common/aclocal.m4)
AC_PREREQ(2.5)dnl
AC_INIT(Makefile.in)
SIM_AC_COMMON
dnl Options available in this module
SIM_AC_OPTION_INLINE()
SIM_AC_OPTION_ALIGNMENT(NONSTRICT_ALIGNMENT)
SIM_AC_OPTION_HOSTENDIAN
SIM_AC_OPTION_WARNINGS
# Ensure a reasonable default simulator is constructed: (DEPRECATED)
case "${target}" in
# start-sanitize-tx19
mipstx19*-*-*) SIMCONF="-mips1 -mcpu=r1900 -mno-fp --warnings";;
# end-sanitize-tx19
# start-sanitize-tx49
mips64tx49*-*-*) SIMCONF="-mips3 --warnings -mcpu=r4900";;
# end-sanitize-tx49
# start-sanitize-r5900
mips64r59*-*-*) SIMCONF="-mips3 --warnings -mcpu=r5900";;
# end-sanitize-r5900
mips64vr4100-*-*) SIMCOMF="-mips0 -mcpu=r4100 -mgp64 --warnings" ;;
mips64*-*-*) SIMCONF="-mips0 --warnings";;
mips16*-*-*) SIMCONF="-mips0 --warnings";;
mips*-*-*) SIMCONF="-mips2 --warnings";;
*) SIMCONF="-mips0 --warnings";;
esac
AC_SUBST(SIMCONF)
# DEPRECATED
#
# Instead of defining a `subtarget' macro, code should be checking
# the value of {STATE,CPU}_ARCHITECTURE to identify the architecture
# in question.
#
case "${target}" in
# start-sanitize-tx19
mipstx19*-*-*) SIM_SUBTARGET="-DSUBTARGET_R3900=1";;
# end-sanitize-tx19
mips*tx39*) SIM_SUBTARGET="-DSUBTARGET_R3900=1";;
*) SIM_SUBTARGET="";;
esac
AC_SUBST(SIM_SUBTARGET)
#
# Select the byte order of the target
#
mips_endian=
default_endian=
case "${target}" in
# start-sanitize-tx19
mipstx19*-*-*) default_endian=BIG_ENDIAN ;;
# end-sanitize-tx19
# start-sanitize-r5900
mips64r59*-*-*) mips_endian=LITTLE_ENDIAN ;;
# end-sanitize-r5900
mips64*-*-*) default_endian=BIG_ENDIAN ;;
mips16*-*-*) default_endian=BIG_ENDIAN ;;
mips*-*-*) default_endian=BIG_ENDIAN ;;
*) default_endian=BIG_ENDIAN ;;
esac
SIM_AC_OPTION_ENDIAN($mips_endian,$default_endian)
#
# Select the bitsize of the target
#
mips_addr_bitsize=
case "${target}" in
# start-sanitize-tx19
mipstx19*-*-*) mips_bitsize=32 ; mips_msb=31 ;;
# end-sanitize-tx19
# start-sanitize-r5900
mips64r59*-*-*) mips_bitsize=64 ; mips_msb=63 ; mips_addr_bitsize=32;;
# end-sanitize-r5900
mips64*-*-*) mips_bitsize=64 ; mips_msb=63 ;;
mips16*-*-*) mips_bitsize=64 ; mips_msb=63 ;;
mips*-*-*) mips_bitsize=32 ; mips_msb=31 ;;
*) mips_bitsize=64 ; mips_msb=63 ;;
esac
SIM_AC_OPTION_BITSIZE($mips_bitsize,$mips_msb,$mips_addr_bitsize)
#
# Select the floating hardware support of the target
#
mips_fpu=HARDWARE_FLOATING_POINT
mips_fpu_bitsize=
case "${target}" in
# start-sanitize-tx19
mipstx19*-*-*) mips_fpu=SOFT_FLOATING_POINT ;;
# end-sanitize-tx19
mips*tx39*) mips_fpu=HARD_FLOATING_POINT
mips_fpu_bitsize=32
;;
# start-sanitize-r5900
mips64r59*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;;
# end-sanitize-r5900
mips64*-*-*) mips_fpu=HARD_FLOATING_POINT ;;
mips16*-*-*) mips_fpu=HARD_FLOATING_POINT ;;
mips*-*-*) mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;;
*) mips_fpu=HARD_FLOATING_POINT ;;
esac
SIM_AC_OPTION_FLOAT($mips_fpu,$mips_fpu_bitsize)
#
# Select the level of SMP support
#
case "${target}" in
# start-sanitize-r5900
mips64r59*-*-*) mips_smp=1 ;;
# end-sanitize-r5900
*) mips_smp=0 ;;
esac
SIM_AC_OPTION_SMP($mips_smp)
#
# Select the IGEN architecture
#
sim_use_gen=IGEN
sim_igen_machine="-M mipsIV"
sim_m16_machine="-M mips16"
sim_igen_filter="32,64,f"
sim_m16_filter="16"
case "${target}" in
# start-sanitize-tx19
mipstx19*-*-*) sim_default_gen=M16
sim_use_gen=M16
sim_igen_machine="-M tx19"
sim_m16_machine="-M tx19"
sim_igen_filter="32"
sim_m16_filter="16"
;;
# end-sanitize-tx19
mips*tx39*) sim_default_gen=IGEN
sim_use_gen=IGEN
sim_igen_filter="32,f"
sim_igen_machine="-M r3900"
;;
# start-sanitize-r5900
mips64r59*-*-*) sim_default_gen=IGEN
sim_use_gen=IGEN
sim_igen_machine="-M r5900"
;;
# end-sanitize-r5900
# start-sanitize-vr4320
mips64vr4320-*-*) sim_default_gen=IGEN
sim_use_gen=IGEN
sim_igen_machine="-M mipsIV,vr4320 -G gen-multi-sim=vr4320"
;;
# end-sanitize-vr4320
mips64vr43*-*-*) sim_default_gen=IGEN
sim_use_gen=IGEN
sim_igen_machine="-M mipsIV"
# start-sanitize-vr4320
sim_igen_machine="-M mipsIV,vr4320 -G gen-multi-sim=mipsIV"
# end-sanitize-vr4320
;;
# start-sanitize-cygnus
mips64vr54*-*-*) sim_default_gen=IGEN
sim_use_gen=IGEN
sim_igen_machine="-M vr5000,vr5400 -G gen-multi-sim=vr5400"
;;
# end-sanitize-cygnus
mips64vr5*-*-*) sim_default_gen=IGEN
sim_use_gen=IGEN
sim_igen_machine="-M vr5000"
# start-sanitize-cygnus
sim_igen_machine="-M vr5000,vr5400 -G gen-multi-sim=vr5000"
# end-sanitize-cygnus
;;
mips64vr4100-*-*) echo "NOTE: mips64vr4100 still uses gencode"
sim_default_gen=M16
sim_igen_machine="-M tx19"
sim_m16_machine="-M tx19"
sim_igen_filter = "32,64,f"
sim_m16_filter = "16"
sim_use_gen=NO
;;
mips64*-*-*) sim_default_gen=IGEN
sim_igen_filter="32,64,f"
sim_use_gen=IGEN
;;
mips16*-*-*) sim_default_gen=M16
sim_igen_filter="32,64,f"
sim_m16_filter="16"
sim_use_igen=NO
;;
mips*-*-*) sim_default_gen=IGEN
sim_igen_filter="32,f"
sim_use_gen=IGEN
;;
esac
sim_igen_flags="-F ${sim_igen_filter} ${sim_igen_machine} ${sim_igen_smp}"
sim_m16_flags=" -F ${sim_m16_filter} ${sim_m16_machine} ${sim_igen_smp}"
AC_SUBST(sim_igen_flags)
AC_SUBST(sim_m16_flags)
#
# Enable igen
#
AC_ARG_ENABLE(sim-igen,
[ --enable-sim-igen=opts Enable IGEN simulator],
[case "${enableval}" in
yes) sim_gen="${sim_default_gen}";;
no) sim_gen=NO;;
16) sim_gen=M16;;
*) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-igen"); sim_gen="";;
esac
if test x"$silent" != x"yes" && test x"$sim_gen" != x""; then
echo "Setting sim_igen = $sim_gen" 6>&1
fi],[sim_gen="${sim_use_gen}"])dnl
AC_SUBST(sim_gen)
#
# Add simulated hardware devices
#
hw_enabled=no
case "${target}" in
# start-sanitize-tx3904
mips*tx39*)
hw_enabled=yes
hw_extra_devices="tx3904cpu tx3904irc tx3904tmr tx3904sio"
mips_extra_objs="dv-sockser.o"
SIM_SUBTARGET="$SIM_SUBTARGET -DTARGET_TX3904=1"
;;
# end-sanitize-tx3904
# start-sanitize-sky
mips64r59*-sky-*)
mips_extra_objs="$mips_extra_objs "'$(SIM_SKY_OBJS)'
SIM_SUBTARGET="-DTARGET_SKY -DWITH_DEVICES=1 -DDEVICE_INIT=1"
;;
# end-sanitize-sky
*)
mips_extra_objs=""
;;
esac
SIM_AC_OPTION_HARDWARE($hw_enabled,$hw_devices,$hw_extra_devices)
AC_SUBST(mips_extra_objs)
AC_PATH_X
mips_extra_libs=""
# start-sanitize-sky
# Enable GPU2 library
AC_ARG_WITH(sim-gpu2,
[ --with-sim-gpu2=path Use GPU2 library under given directory],
[if test -d "${withval}"
then
SIM_SUBTARGET="${SIM_SUBTARGET} -DSKY_GPU2 -I${withval}/include"
mips_extra_libs="-L${withval}/lib -lgpu2 -L${x_libraries} -lX11 -lXext"
else
AC_MSG_ERROR("Directory ${withval} does not exist.");
fi])dnl
# Enable target accurate FP library
AC_ARG_WITH(sim-funit,
[ --with-sim-funit=path Use target FP library under given directory],
[if test -d "${withval}"
then
SIM_SUBTARGET="${SIM_SUBTARGET} -DSKY_FUNIT -I${withval}/include"
mips_extra_libs="${mips_extra_libs} -L${withval}/lib -lfunit"
else
AC_MSG_ERROR("Directory ${withval} does not exist.");
fi])dnl
# end-sanitize-sky
AC_SUBST(mips_extra_libs)
AC_CHECK_HEADERS(string.h strings.h stdlib.h stdlib.h)
AC_CHECK_LIB(m, fabs)
AC_CHECK_FUNCS(aint anint sqrt)
SIM_AC_OUTPUT
|
