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Add Cirrus Maverick support to arm simulator
[deliverable/binutils-gdb.git] / sim / arm / ChangeLog
CommitLineData
f603c8fe
NC		 12003-02-10 Nick Clifton <nickc@redhat.com>
2
3 * Contribute support for Cirrus Maverick ARM co-processor,
4 written by Aldy Hernandez <aldyh@redhat.com> and
5 Andrew Cagney <cagney@redhat.com>:
6
7 * maverick.c: New file: Support for Maverick floating point
8 co-processor.
9 * Makefile.in: Add maverick.o target.
10 * configure.in (COPRO): Add maverick.o.
11 * configure: Regenerate.
12 * armcopro.c (ARMul_CoProInit): Only initialise co-processors
13 available on target processor. Add code to initialse Maverick
14 co-processor support code.
15 * armdefs.h (ARMul_state): Add is_ep9312 field.
16 (ARM_ep9312_Prop): Define.
17 * armemu.h: Add prototypes for Maverick co-processor
18 functions.
19 * arminit.c (ARMul_SelectProcessor): Initialise the
20 co-processor support once the chip has been selected.
21 * wrapper.c: Add support for Maverick co-processor.
22 (init): Do not call ARMul_CoProInit. Delays this until the
23 chip has been selected.
24
0d9fd8f1
NC		 252003-03-02 Nick Clifton <nickc@redhat.com>
26
27 * armos.c (SWIWrite0): Catch big-endian bug when printing
28 characters.
29
6b4a8935
AC		 302003-02-27 Andrew Cagney <cagney@redhat.com>
31
32 * wrapper.c (sim_create_inferior, sim_open): Rename _bfd to bfd.
33
45fdcabe
BE		 342003-01-10 Ben Elliston <bje@redhat.com>
35
36 * README.Cygnus: Rename from this ..
37 * README: .. to this.
38
058f270d
AC		 392002-09-27 Andrew Cagney <ac131313@redhat.com>
40
41 * wrapper.c (sim_open): Add support for -m<mem-size>.
42 (mem_size): Reduce to 2MB.
43 Fix PR gdb/433.
44
c7a7b500
NC		 452002-08-15 Nick Clifton <nickc@redhat.com>
46
47 * armos.c (ARMul_OSHandleSWI): Catch and ignore SWIs of -1, they
48 can be caused by an interrupted system call being resumed by GDB.
49
630ace25
NC		 502002-07-05 Nick Clifton <nickc@cambridge.redhat.com>
51
52 * armemu.c (ARMul_Emulate32): Add more tests for valid MIA, MIAPH
53 and MIAxy instructions.
54
7b77dec6
NC		 552002-06-21 Nick Clifton <nickc@cambridge.redhat.com>
56
57 * armos.h (ADP_Stopped_RunTimeError): Set correct value.
58
c8cca39f
AC		 592002-06-16 Andrew Cagney <ac131313@redhat.com>
60
61 * configure: Regenerated to track ../common/aclocal.m4 changes.
62
26216b98
AC		 632002-06-12 Andrew Cagney <ac131313@redhat.com>
64
65 * Makefile.in: Update copyright.
66 (wrapper.o): Specify dependencies.
67 * wrapper.c: Include "gdb/sim-arm.h".
68 (sim_store_register, sim_fetch_register): Rewrite using `enum
69 arm_sim_regs' and a switch.
70
3c25f8c7
AC		 712002-06-09 Andrew Cagney <cagney@redhat.com>
72
73 * wrapper.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
74 * armos.c: Include "gdb/callback.h".
75
5aa682b2
NC		 762002-05-29 Nick Clifton <nickc@cambridge.redhat.com>
77
78 * armcopro.c (XScale_check_memacc): Set the FSR and FAR registers
79 if a Data Abort is detected.
80
7378e198
NC		 812002-05-27 Nick Clifton <nickc@cambridge.redhat.com>
82
10b57fcb
NC		 83 * armvirt.c (GetWord): Only perform access checks if 'check'
84 is set.
85 (PutWord): Likewise.
86 * wrapper.c (sim_create_inferior): Report unknown machine
87 numbers.
7378e198
NC		 88 * thumbemu.c (ARMul_ThumbDecode, Case 31): Do not set LR to pc +
89 2, it has already been advanced.
90
2984e114
NC		 912002-05-23 Nick Clifton <nickc@cambridge.redhat.com>
92
93 * thumbemu.c (ARMul_ThumbDecode): When decoding a BLX(1)
94 instruction do not add in the second bit of the base address -
95 this has already been accounted for.
96
8b2440b7
NC		 972002-05-21 Nick Clifton <nickc@cambridge.redhat.com>
98
99 * armcopro.c (check_cp13_access): Allow access to register 1 when
100 CRm is 1.
101 (write_cp13_reg): Allow bit 0 of reg 1 of CRm 1 to be written to.
102
de4112fa
NC		 1032002-05-17 Nick Clifton <nickc@cambridge.redhat.com>
104
7f53bce4 105 * Makefile.in (SIM_TARGET_SWITCHES): Define.
de4112fa
NC		 106 * armos.c (swi_mask): Define. Initialise to supporting all
107 SWI emulations.
108 (ARMul_OSInit): For XScale targets, only support the ANGEL
109 SWI interface. (This is at the request if Intel).
110 (ARMul_OSHandleSWI): Examine swi_mask to see if a particular
111 SWI call should be emulated.
112 Do not fall through from AngelSWI_Reason_WriteC.
113 Propagate exit code from RedBoot Exit SWI.
114 * rdi-dgb.h (swi_mask): Prototype.
115 (SWI_MASK_DEMON, SWI_MASK_ANGEL, SWI_MASK_REDBOOT): Define.
116 * wrapper.c (sim_target_parse_command_line): New function.
117 Look for and handle --swi-support switch.
118 (sim_target_parse_arg_array): New function. Process an argv
119 array for parsing by sim_target_parse_command_line.
120 (sim_target_display_usage): New function. Describe syntax of
121 --swi-suppoort switch.
122 (sim_open): Add call to sim_target_parse_arg_array).
123
d8512e6a
NC		 1242002-05-09 Nick Clifton <nickc@cambridge.redhat.com>
125
126 * armos.c (ARMul_OSHandleSWI): Support the RedBoot SWI in ARM
127 mode and some of its system calls.
128
ae60d3dd
AG		 1292002-03-17 Anthony Green <green@redhat.com>
130
131 * wrapper.c (mem_size): Increase the default target memory to 8MB.
132
b3ba81f8
KS		 1332002-02-21 Keith Seitz <keiths@redhat.com>
134
135 * armos.c (SWIWrite0): Use generic host_callback mechanism
136 for supported OS functions "open", "close", "write", etc.
137 (SWIopen): Likewise.
138 (SWIread): Likewise.
139 (SWIwrite): Likewise.
140 (SWIflen): Likewise.
141 (ARMul_OSHandleSWI): Likewise.
142
c17aa318
NC		 1432002-02-05 Nick Clifton <nickc@cambridge.redhat.com>
144
145 * wrapper.c (sim_create_inferior): Modify previous patch so that
146 it is only triggered for COFF format executables.
147
25180f8a
NC		 1482002-02-04 Nick Clifton <nickc@cambridge.redhat.com>
149
c17aa318
NC		 150 * wrapper.c (sin_create_inferior): If a v5 architecture is
151 detected, assume it might be an XScale binary, since there is no
152 way to distinguish between the two in the COFF file format.
25180f8a 153
57165fb4
NC		 1542002-01-10 Nick Clifton <nickc@cambridge.redhat.com>
155
156 * arminit.c (ARMul_Abort): Fix parameters passed to CPRead[13].
157 * armemu.c (ARMul_Emulate32): Fix parameters passed to CPRead[13]
158 and CPRead[14].
159 Fix formatting. Improve layout.
160 * armemu.h: Fix formatting. Improve layout.
161
272fcdcd
NC		 1622002-01-09 Nick Clifton <nickc@cambridge.redhat.com>
163
164 * wrapper.c (sim_fetch_register): If fetching more than 4 bytes
165 return zeroes in the other words.
86c735a5 166 General formatting tidy ups.
272fcdcd 167
6746a76a
BH		 1682001-11-16 Ben Harris <bjh21@netbsd.org>
169
170 * Makefile.in (armemu32.o): Replace $< with autoconf recommended
171 $(srcdir)/....
172 (armemu26.o): Ditto.
173
ff44f8e3
NC		 1742001-10-18 Nick Clifton <nickc@cambridge.redhat.com>
175
176 * armemu.h (CP_ACCESS_ALLOWED): New macro.
177 Fix formatting.
178 * armcopro.c (read_cp14_reg): Make static.
179 (write_cp14_reg): Make static.
180 (check_cp13_access): Use CP_ACCESS_ALLOWED macro.
181 Fix formatting.
182 * armsupp.c (ARMul_LDC): Check CP_ACCESS_ALLOWED.
183 (ARMul_STC): Check CP_ACCESS_ALLOWED.
184 (ARMul_MCR): Check CP_ACCESS_ALLOWED.
185 (ARMul_MRC): Check CP_ACCESS_ALLOWED.
186 (ARMul_CDP): Check CP_ACCESS_ALLOWED.
187 Fix formatting.
188 * armemu.c (MCRR): Check CP_ACCESS_ALLOWED. Test Rd and Rn not
189 equal to 15.
190 (MRRC): Check CP_ACCESS_ALLOWED. Test Rd and Rn not equal to 15.
191 Fix formatting.
192
fb7a8ef0
NC		 1932001-05-11 Nick Clifton <nickc@cambridge.redhat.com>
194
195 * armemu.c (ARMul_Emulate32): Fix handling of XScale LDRD and STRD
196 instructions with post indexed addressing modes.
197
dac07255
NC		 1982001-05-08 Jens-Christian Lache <lache@tu-harburg.de>
199
200 * armsupp.c (ARMul_FixCPSR): Check Mode not Bank in order to
201 determine rocesor mode.
202
c3ae2f98
MG		 2032001-04-18 matthew green <mrg@redhat.com>
204
205 * armcopro.c (write_cp15_reg): Set CHANGEMODE if endianness changes.
206 (read_cp15_reg): Make non-static.
207 (XScale_cp15_LDC): Update for write_cp15_reg() change.
208 (XScale_cp15_MCR): Likewise.
209 (XScale_cp15_write_reg): Likewise.
210 (XScale_check_memacc): New function. Check for breakpoints being
211 activated by memory accesses. Does not support the Branch Target
212 Buffer.
213 (XScale_set_fsr_far): New function. Set FSR and FAR for XScale.
214 (XScale_debug_moe): New function. Set the debug Method Of Entry,
215 if configured.
216 (write_cp14_reg): Reset count counter if requested.
217 * armdefs.h (struct ARMul_State): New members `LastTime' and
218 `CP14R0_CCD' used for the timer/counters.
219 (ARMul_CP13_R0_FIQ, ARMul_CP13_R0_IRQ, ARMul_CP13_R8_PMUS,
220 ARMul_CP14_R0_ENABLE, ARMul_CP14_R0_CLKRST, ARMul_CP14_R0_CCD,
221 ARMul_CP14_R0_INTEN0, ARMul_CP14_R0_INTEN1, ARMul_CP14_R0_INTEN2,
222 ARMul_CP14_R0_FLAG0, ARMul_CP14_R0_FLAG1, ARMul_CP14_R0_FLAG2,
223 ARMul_CP14_R10_MOE_IB, ARMul_CP14_R10_MOE_DB, ARMul_CP14_R10_MOE_BT,
224 ARMul_CP15_R1_ENDIAN, ARMul_CP15_R1_ALIGN, ARMul_CP15_R5_X,
225 ARMul_CP15_R5_ST_ALIGN, ARMul_CP15_R5_IMPRE, ARMul_CP15_R5_MMU_EXCPT,
226 ARMul_CP15_DBCON_M, ARMul_CP15_DBCON_E1, ARMul_CP15_DBCON_E0): New
227 defines for XScale registers.
228 (XScale_check_memacc, XScale_set_fsr_far, XScale_debug_moe): Prototype.
229 (ARMul_Emulate32, ARMul_Emulate26): Clean up function definition.
230 (ARMul_Emulate32): Handle the clock counter and hardware instruction
231 breakpoints. Call XScale_set_fsr_far() for software breakpoints and
232 software interrupts.
233 (LoadMult): Call XScale_set_fsr_far() for data aborts.
234 (LoadSMult): Likewise.
235 (StoreMult): Likewise.
236 (StoreSMult): Likewise.
237 * armemu.h (write_cp15_reg): Update prototype.
238 * arminit.c (ARMul_NewState): Initialise CP14R0_CCD and LastTime.
239 (ARMul_Abort): If XScale, check for FIQ and IRQ being enabled in CP13
240 register 0.
241 * armvirt.c (GetWord): Call XScale_check_memacc().
242 (PutWord): Likewise.
243
3cf84db9
NC		 2442001-03-20 Nick Clifton <nickc@redhat.com>
245
246 * armvirt.c (ARMul_ReLoadInstr): Do not enable alignment checking
247 when loading unaligned thumb instructions.
248
4f3c3dbb
NC		 2492001-03-06 Nick Clifton <nickc@redhat.com>
250
251 * thumbemu.c (ARMul_ThumbDecode): Delete label bo_blx2.
252 Compute destination address of BLX(1) instruction by
253 taking bit 1 from PC and not from bit 0 of the offset.
254
917bca4f
NC		 2552001-02-27 Nick Clifton <nickc@redhat.com>
256
257 * armvirt.c (GetWord): Add new parameter - check - to enable or
258 disable the alignment checking.
259 (PutWord): Add new parameter - check - to enable or disable the
260 alignment checking.
261 (ARMul_ReLoadInstr): Pass extra parameter to GetWord.
262 (ARMul_ReadWord): Pass extra parameter to GetWord.
263 (ARMul_WriteWord): Pass extra parameter to PutWord.
264 (ARMul_StoreHalfWord): Pass extra parameter to PutWord.
265 (ARMul_WriteByte): Pass extra parameter to GetWord.
266 (ARMul_SwapWord): Pass extra parameter to PutWord.
267 (ARMul_SafeReadByte): New Function: Read a byte but do not abort.
268 (ARMul_SafeWriteByte): New Function: Write a byte but do not abort.
269
270 * armdefs.h: Add prototypes for ARMul_SafeReadByte and
271 ARMul_SafeWriteByte.
272
273 * wrapper.c (sim_write): Use ARMul_SafeWriteByte.
274 (sim_read): Use ARMul_SafeReadByte.
275
276 * armos.c (in_SWI_handler): Remove.
277 (SWIWrite0): Use ARMul_SafeReadByte.
278 (WriteCommandLineTo): Use ARMul_SafeWriteByte.
279 (SWIopen): Use ARMul_SafeReadByte.
280 (SWIread): Use ARMul_SafeWriteByte.
281 (SWIwrite): Use ARMul_SafeReadByte.
282 (ARMul_OSHandleSWI): Remove use of is_SWI_handler.
283 (ARMul_OSException): Remove use of is_SWI_handler.
284
2ef048fc
NC		 2852001-02-16 Nick Clifton <nickc@redhat.com>
286
287 * armemu.c: Remove Prefetch abort for breakpoints. Instead set
288 the state to RESUME.
289
5f7d0a33
NC		 2902001-02-14 Nick Clifton <nickc@redhat.com>
291
44e23e57
NC		 292 * armemu.c: Add code to preserve processor mode when a prefetch
293 abort is signalled after processing a breakpoint.
294
5f7d0a33
NC		 295 * wrapper.c (sim_create_inferior): Reset processor into ARM mode
296 for any machine type except the early ARMs.
297
1e5d4e46
NC		 2982001-02-13 Nick Clifton <nickc@redhat.com>
299
300 * armos.c (in_SWI_handler): New static variable.
301 (ARMul_OSHandleSWI): Set in_SWI_handler whilst emulating a SWI.
302 (ARMul_OSException): Ignore exceptions generated whilst emulating
303 a SWI.
304
179ae6ea
NC		 3052001-02-12 Nick Clifton <nickc@redhat.com>
306
307 * armemu.h (NEGBRANCH): Fix defintion.
308
dda308f5
NC		 3092001-02-01 Nick Clifton <nickc@redhat.com>
310
311 * armemu.c (LoadSMult): Update base address register after
312 restoring register bank.
313 (StoreMult): Update base address register after restoring register
314 bank.
315
88694af3
NC		 3162001-01-31 Nick Clifton <nickc@redhat.com>
317
318 * armvirt.c (PutWord): Detect installation of SWI vector.
319 (SWI_vector_installed): Define.
320 * armos.c (ARMul_OsInit): Reset SWI_vector_installed.
321 * armos.h (SWI_vector_installed): Declare.
322 * wrapper.c (SWI_vector_installed): Remove definition.
323 (sim_write): Remove check of SWI vector installation
324
ac1c9d3a
NC		 3252000-12-18 Nick Clifton <nickc@redhat.com>
326
327 * armemu.c (ARMul_Emulate26): Fix test for StoreDouble
328 instruction.
329
9a6b6a66
NC		 3302000-12-10 Nick Clifton <nickc@redhat.com>
331
332 * armos.c (ARMul_OSHandleSWI): Add 0x91 as an FPE SWI.
333
760a7bbe
NC		 3342000-12-07 Nick Clifton <nickc@redhat.com>
335
336 * armemu.c (ARMul_Emulate26): Detect double word load and
337 store instructions and call emulation routines.
338 (Handle_Load_Double): Emulate a double word load instruction.
339 (Handle_Store_Double): Emulate a double word store
340 instruction.
341
7f53bc35
NC		 3422000-12-03 Nick Clifton <nickc@redhat.com>
343
344 * armos.c: Fix formatting.
345 (ARMul_OSHandleSWI): Suppress support of DEMON SWIs when in xscale
346 mode.
347
f1129fb8
NC		 3482000-11-29 Nick Clifton <nickc@redhat.com>
349
350 * armdefs.h (State): Add 'v5e' and 'xscale' fields.
351 (ARM_v5e_Prop): Define.
352 (ARM_XScale_Prop): Define.
353
354 * wrapper.c (sim_create_inferior): Select processor based on
355 machine number.
356 (SWI_vector_installed): New boolean. Set to true if the SWI
357 vector address is written to by the executable.
358
359 * arminit.c (ARMul_NewState): Switch default to 32 bit mode.
360 (ARMul_SelectProcessor): Initialise v5e and xscale signals.
361 (ARMul_Abort): Fix calculation of LR address.
362
363 * armos.c (ARMul_OSHandleSWI): If a SWI vector has been installed
364 and a SWI is not handled by the simulator, pass the SWI off to the
365 vector, otherwise issue a warning message and continue.
366
367 * armsupp.c (ARMul_CPSRAltered): Set S bit aswell.
368
369 * thumbemu.c: Add v5 instruction simulation.
370 * armemu.c: Add v5, XScale and El Segundo instruction simulation.
371
372 * armcopro.c: Add XScale co-processor emulation.
373 * armemu.h: Add exported XScale co-processor functions.
374
3943c96b
NC		 3752000-09-15 Nick Clifton <nickc@redhat.com>
376
377 * armdefs.h: Rename StrongARM property to v4_ARM and add v5 ARM
378 property. Delete unnecessary processor names.
379 (ARM_Strong_Prop): Delete.
380 (STRONGARM): Delete.
381 (ARM_v4_Prop): Add.
382 (ARM_v5_Prop): Add
383 (State): Delete is_StrongARM boolean. Add is_v4 and is_v5
384 booleans.
385
386 * armemu.h (BUSUSEDINCPCS): Use is_v4 boolean.
387 (BUSUSEDINCPCN): Use is_v4 boolean.
388
389 * arminit.c (ARMul_NewState): Initialise is_v4 and is_v5 fields.
390 (ARMul_SelectProcessor): Change second parameter from 'processor'
391 to 'properties'. Set is_v4 and is_v5 booleans in State.
392
393 * armrdi.c: Remove use of ARM processor names. Replace with ARM
394 processor properties.
395
396 * wrapper.c (sim_create_inferior): Choose properties passed to
397 ARMul_SelectProcessor based on machine number.
398
4bc1de7b
NC		 3992000-08-14 Nick Clifton <nickc@redhat.com>
400
401 * armemu.c (LHPOSTDOWN): Compute write back value before
402 performing load in case the offset register is overwritten.
403 (LHPOSTUP): Ditto.
404
0a4321b9
FN		 4052000-07-14 Fernando Nasser <fnasser@cygnus.com>
406
407 * wrapper.c (sim_create_inferior): Fix typo in the previous patch.
408
64a10675
FN		 4092000-07-14 Fernando Nasser <fnasser@cygnus.com>
410
411 * wrapper.c (sim_create_inferior): Reset mode to ARM when creating a
412 new inferior.
413
b0eae074
AO		 4142000-07-04 Alexandre Oliva <aoliva@redhat.com>
415
ae3c7619
AO		 416 * armvirt.c (ABORTS): Do not define.
417
1e6b544a
AO		 418 * armdefs.h (struct ARMul_State): Add is_StrongARM.
419 (ARM_Strong_Prop, STRONGARM): Define.
420 * arminit.c (ARMul_NewState): Reset is_StrongARM.
421 (ARMul_SelectProcessor): Set is_StrongARM.
422 * wrapper.c (sim_create_inferior): Use bfd machine type to
423 determine processor type to emulate.
424 * armemu.h (BUSUSEDINCPCS, BUSUSEDINCPCN): Don't increment PC
425 when emulating StrongARM.
426
66210567
AO		 427 * armemu.c (ARMul_Emulate, t_undefined): Proceed to next insn.
428
e063aa3b
AO		 429 * armemu.h (INSN_SIZE): New macro.
430 (SET_ABORT): Save CPSR in SPSR and set LR.
431 * armemu.c (ARMul_Emulate, isize): Set to INSN_SIZE.
432 (WriteR15, WriteSR15): Do not discard bit 1 in Thumb mode.
433 * arminit.c (ARMul_Abort): Use new SETABORT and INSN_SIZE.
434
13b6dd6f
AO		 435 * armemu.c (LoadSMult): Use WriteR15() to discard the least
436 significant bits of PC.
437
892c6b9d
AO		 438 * armemu.h (WRITEDESTB): New macro.
439 * armemu.c (ARMul_Emulate26, bl): Use WriteR15Branch() to
440 modify PC. Moved the existing logic...
441 (WriteR15Branch): ... here. New function.
442 (WriteR15, WriteSR15): Drop the two least significant bits.
443 (LoadSMult): Use WriteR15Branch() to modify PC.
444 (LoadMult): Use WRITEDESTB() instead of WRITEDEST().
445
cf52c765
AO		 446 * armemu.h (GETSPSR): Call ARMul_GetSPSR().
447 * armsupp.c (ARMul_CPSRAltered): Zero out bits as they're
448 extracted from state->Cpsr, but preserve the unused bits.
449 (ARMul_GetCPSR): Get bits preserved in state->Cpsr.
450 (ARMul_GetSPSR, ARMul_FixCPSR): Use ARMul_GetCPSR() to
451 get the full CPSR word.
452
4ef2594f
AO		 453 * armemu.h (PSR_FBITS, PSR_SBITS, PSR_XBITS, PSR_CBITS): New.
454 (SETPSR_F, SETPSR_S, SETPSR_X, SETPSR_C): New macros.
455 (SETPSR, SET_INTMODE, SETCC): Removed.
456 * armsupp.c (ARMul_FixCPSR, ARMul_FixSPSR): Do not test bit
457 mask. Use SETPSR_* to modify PSR.
458 (ARMul_SetCPSR): Load all bits from value.
459 * armemu.c (ARMul_Emulate, msr): Do not test bit mask.
460
e62263b8
AO		 461 * armemu.c (ARMul_Emulate): Compute writeback value before
462 loading, since the offset register may be the destination
463 register.
464
b0eae074
AO		 465 * armdefs.h (SYSTEMBANK): Define as USERBANK.
466 * armsupp.c (ARMul_SwitchMode): Remove SYSTEMBANK cases.
467
ee9a7772
AO		 4682000-06-22 Alexandre Oliva <aoliva@cygnus.com>
469
f9c22bc3
AO		 470 * armemu.c (Multiply64): Fix computation of flag N.
471
ee9a7772
AO		 472 * armemu.c (MultiplyAdd64): Fix computation of flag N.
473
fe47e8df
AO		 4742000-06-20 Alexandre Oliva <aoliva@cygnus.com>
475
476 * armemu.h (NEGBRANCH): Do not overwrite the two most significant
477 bits of the offset.
478
c1a72ffd
NC		 4792000-05-25 Nick Clifton <nickc@cygnus.com>
480
481 * armcopro.c (MMUMCR): Only indicate mode change if a singal has
482 really changed.
483 (MMUWrite): Only indicate mode change if a singal has really
484 changed.
485
486 * armdefs.h (SYSTEMMODE): Define.
487 (BANK_CAN_ACEESS_SPSR): Define.
488
489 * armemu.c (ARM_Emulate26): If the mode has changed allow the PC
490 to advance before stopping the emulation.
491
492 * arminit.c (ARMul_Reset): Ensure Mode field of State is set
493 correctly.
494
495 * armos.c (ARMul_OSInit): Create a initial stack pointer for
496 System mode.
497
498 * armsupp.c (ModeToBank): Remove unused first parameter.
499 Add support for System Mode.
500 (ARMul_GetSPSR): Use BANK_CAN_ACCESS_SPSR macro.
501 (ARMul_SetSPSR): Use BANK_CAN_ACCESS_SPSR macro.
502 (ARMul_FixSPSR): Use BANK_CAN_ACCESS_SPSR macro.
503 (ARMulSwitchMode): Add support for System Mode.
504
505Wed May 24 14:40:34 2000 Andrew Cagney <cagney@b1.cygnus.com>
eb2d80b4
AC		 506
507 * configure: Regenerated to track ../common/aclocal.m4 changes.
508
3463c3fb
NC		 5092000-05-23 Nick Clifton <nickc@cygnus.com>
510
511 * wrapper.c (sim_store_register): Special handling for CPSR
512 register.
513
5d0d395e
FCE		 5142000-03-11 Philip Blundell <philb@gnu.org>
515
516 * armemu.c (LoadSMult, LoadMult): Correct handling of aborts.
517 Patch from Allan Skillman <Allan.Skillman@arm.com>.
518
6c9e0292
FCE		 519Wed Mar 22 15:24:21 2000 glen mccready <gkm@pobox.com>
520
521 * wrapper.c (sim_open,sim_close): Copy into myname, free myname.
522
6d358e86
NC		 5232000-02-08 Nick Clifton <nickc@cygnus.com>
524
525 * wrapper.c: Fix compile time warning messages.
526 * armcopro.c: Fix compile time warning messages.
527 * armdefs.h: Fix compile time warning messages.
528 * armemu.c: Fix compile time warning messages.
529 * armemu.h: Fix compile time warning messages.
530 * armos.c: Fix compile time warning messages.
531 * armsupp.c: Fix compile time warning messages.
532 * armvirt.c: Fix compile time warning messages.
d0187574 533 * bag.c: Fix compile time warning messages.
6d358e86 534
dfcd3bfb
JM		 5352000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
536
537 * *.[ch]: Use indent to make readable.
538
c2d11a7d
JM		 5391999-11-22 Nick Clifton <nickc@cygnus.com>
540
541 * armos.c (SWIread): Generate an error message if a huge read is
542 performed.
543 (SWIwrite): Generate an error message if a huge write is
544 performed.
545
5c44784c
JM		 5461999-10-27 Nick Clifton <nickc@cygnus.com>
547
548 * thumbemu.c (ARMul_ThumbDecode): Accept 0xbebe as a thumb
549 breakpoint.
550
2df3850c
JM		 5511999-10-08 Ulrich Drepper <drepper@cygnus.com>
552
553 * armos.c (SWIopen): Always pass third parameter with 0666 since
554 otherwise uninitialized memory gets access if the O_CREAT bit is
555 set and so we possibly cannot access the file afterwards.
556
2acceee2
JM		 5571999-09-29 Doug Evans <devans@casey.cygnus.com>
558
559 * armos.c (SWIWrite0): Send output to stdout instead of stderr.
560 (ARMul_OSHandleSWI, case SWI_WriteC,AngelSWI_Reason_WriteC): Ditto.
561
d4f3574e
SS		 562Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
563
564 * configure: Regenerated to track ../common/aclocal.m4 changes.
565
cd0fc7c3
SS		 5661999-05-08 Felix Lee <flee@cygnus.com>
567
568 * configure: Regenerated to track ../common/aclocal.m4 changes.
569
7a292a7a
SS		 5701999-04-06 Keith Seitz <keiths@cygnus.com>
571
572 * wrapper.c (stop_simulator): New global.
573 (sim_stop): Set sim state to STOP and set
574 stop_simulator.
575 (sim_resume): Reset stop_simulator.
576 (sim_stop_reason): If stop_simulator is set, tell gdb
577 that the we took SIGINT.
578 * armemu.c (ARMul_Emulate26): Don't loop forever. Stop if
579 stop_simulator is set.
580
5811999-04-02 Keith Seitz <keiths@cygnus.com>
582
583 * armemu.c (ARMul_Emulate26): If NEED_UI_LOOP_HOOK, call ui_loop_hook
584 whenever the counter expires.
585 * Makefile.in (SIM_EXTRA_CFLAGS): Include define NEED_UI_LOOP_HOOK.
586
5871999-03-24 Nick Clifton <nickc@cygnus.com>
588
589 * armemu.c (ARMul_Emulate26): Handle new breakpoint value.
590 * thumbemu.c (ARMul_ThumbDecode): Handle new breakpoint value.
591
c906108c
SS		 592Mon Sep 14 09:00:05 1998 Nick Clifton <nickc@cygnus.com>
593
594 * wrapper.c (sim_open): Set endianness according to BFD or command
595 line switch.
596
597 * tconfig.in: Define SIM_HAVE_BIENDIAN.
598
599Thu Aug 27 11:00:05 1998 Nick Clifton <nickc@cygnus.com>
600
601 * armemu.c (Multiply64): Test for Rm (rather than Rs) not being
602 the same as either RdHi or RdLo.
603
604Thu Jul 2 10:24:35 1998 Nick Clifton <nickc@cygnus.com>
605
606 * armos.c (ARMul_OSHandleSWI: AngelSWI_Reason_ReportException):
607 Set Reg[0] based on reason for for the exception.
608
609Thu Jun 4 15:22:03 1998 Jason Molenda (crash@bugshack.cygnus.com)
610
611 * armos.c (SWIwrite0): New function.
612 (WriteCommandLineTo): New function.
613 (SWIopen): New function.
614 (SWIread): New function.
615 (SWIwrite): New function.
616 (SWIflen): New function.
617 (ARMul_OSHandleSWI): Call new functions instead of handling
618 these here.
619 (ARMul_OSHandleSWI): Handle Angel SWIs correctly.
620 (*): Reformat spacing to be a bit more GNUly.
621 Most code taken from a patch by Anthony Thompson
622 (athompso@cambridge.arm.com)
623
624Tue Jun 2 15:22:22 1998 Nick Clifton <nickc@cygnus.com>
625
626 * armos.h: Add Angel SWI and its reason codes.
627 * armos.c (ARMul_OSHandleSWI): Ignore Angel SWIs (for now).
628
629Mon Jun 1 17:14:19 1998 Anthony Thompson (athompso@cambridge.arm.com)
630
631 * armos.c (ARMul_OSHandleSWI::SWI_Open): Handle special case
632 of ":tt" to catch stdin in addition to stdout.
633 (ARMul_OSHandleSWI::SWI_Seek): Return 0 or 1 to indicate failure
634 or success of lseek().
635
636Wed May 20 17:36:25 1998 Nick Clifton <nickc@cygnus.com>
637
638 * armos.c (ARMul_OSHandleSWI): Special case code to catch attempts
639 to open stdout.
640
641Wed Apr 29 15:29:55 1998 Jeff Johnston <jjohnstn@cygnus.com>
642
643 * armos.c (ARMul_OSHandleSWI): Added code for SWI_Clock,
644 SWI_Flen, and SWI_Time. Also fixed SWI_Seek code to only
645 seek from offset 0 and not to use R2 for whence since it is
646 not passed as part of the SWI call.
647
648Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
649
650 * configure: Regenerated to track ../common/aclocal.m4 changes.
651
652Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
653
654 * configure: Regenerated to track ../common/aclocal.m4 changes.
655 * config.in: Ditto.
656
657Sun Apr 26 15:20:26 1998 Tom Tromey <tromey@cygnus.com>
658
659 * acconfig.h: New file.
660 * configure.in: Reverted change of Apr 24; use sinclude again.
661
662Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
663
664 * configure: Regenerated to track ../common/aclocal.m4 changes.
665 * config.in: Ditto.
666
667Fri Apr 24 11:20:19 1998 Tom Tromey <tromey@cygnus.com>
668
669 * configure.in: Don't call sinclude.
670
671Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
672
673 * configure: Regenerated to track ../common/aclocal.m4 changes.
674
675Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
676
677 * configure: Regenerated to track ../common/aclocal.m4 changes.
678
679Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
680
681 * configure: Regenerated to track ../common/aclocal.m4 changes.
682
683Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
684
685 * configure: Regenerated to track ../common/aclocal.m4 changes.
686
687Tue Mar 10 09:26:38 1998 Nick Clifton <nickc@cygnus.com>
688
689 * armopts.h: Remove definition of LITTLEND - it is not used.
690
691Tue Feb 17 12:35:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
692
693 * wrapper.c (sim_store_register, sim_fetch_register): Pass in
694 length parameter. Return -1.
695
696Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
697
698 * configure: Regenerated to track ../common/aclocal.m4 changes.
699
700Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
701
702 * configure: Regenerated to track ../common/aclocal.m4 changes.
703
704Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
705
706 * configure: Regenerated to track ../common/aclocal.m4 changes.
707
708Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
709
710 * configure: Regenerated to track ../common/aclocal.m4 changes.
711 * config.in: Ditto.
712
713Tue Dec 9 11:30:48 1997 Nick Clifton <nickc@cygnus.com>
714
715 * Makefile.in: Updated with changes from branch.
716 * armdefs.h: ditto
717 * armemu.c: ditto these changes
718 * armemu.h: ditto add support for
719 * armos.c: ditto the Thumb instruction
720 * armsupp.c: ditto set and the new v4
721 * armvirt.c: ditto architecture.
722 * wrapper.c: ditto
723 * thumbemu.c: New file from branch.
724
725
726Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
727
728 * configure: Regenerated to track ../common/aclocal.m4 changes.
729
730Thu Oct 30 13:54:06 1997 Nick Clifton <nickc@cygnus.com>
731
732 * armos.c (ARMul_OSHandleSWI): Add support for GetEnv SWI. Patch
733 from Tony Thompson at ARM: athompso@arm.com
734
735 * wrapper.c (sim_create_inferior): Add code to create an execution
736 environment. Patch from Tony Thompson at ARM: athompso@arm.com
737
738Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
739
740 * wrapper.c (sim_load): Pass lma_p and sim_write args to
741 sim_load_file.
742
743Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
744
745 * configure: Regenerated to track ../common/aclocal.m4 changes.
746
747Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
748
749 * configure: Regenerated to track ../common/aclocal.m4 changes.
750
751Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
752
753 * configure: Regenerated to track ../common/aclocal.m4 changes.
754
755Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
756
757 * configure: Regenerated to track ../common/aclocal.m4 changes.
758
759Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
760
761 * configure: Regenerated to track ../common/aclocal.m4 changes.
762
763Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
764
765 * configure: Regenerated to track ../common/aclocal.m4 changes.
766
767Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
768
769 * configure: Regenerated to track ../common/aclocal.m4 changes.
770
771Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
772
773 * configure: Regenerated to track ../common/aclocal.m4 changes.
774 * config.in: Ditto.
775
776Tue Aug 26 10:37:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
777
778 * wrapper.c (sim_kill): Delete.
779 (sim_create_inferior): Add ABFD argument.
780 (sim_load): Move setting of PC from here.
781 (sim_create_inferior): To here.
782
783Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
784
785 * configure: Regenerated to track ../common/aclocal.m4 changes.
786 * config.in: Ditto.
787
788Mon Aug 25 15:35:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
789
790 * wrapper.c (sim_open): Add ABFD argument.
791
792Tue May 20 10:13:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
793
794 * wrapper.c (sim_open): Add callback argument.
795 (sim_set_callbacks): Drop SIM_DESC argument.
796
797Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
798
799 * configure: Regenerated to track ../common/aclocal.m4 changes.
800
801Fri Apr 18 13:32:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
802
803 * wrapper.c (sim_stop): Stub sim_stop function.
804
805Thu Apr 17 18:33:01 1997 Fred Fish <fnf@cygnus.com>
806
807 * arminit.c (ARMul_NewState): Preinitialize the state to
808 all zero/NULL.
809
810Thu Apr 17 02:39:02 1997 Doug Evans <dje@canuck.cygnus.com>
811
812 * Makefile.in (SIM_OBJS): Add sim-load.o.
813 * wrapper.c (sim_kind,myname): New static locals.
814 (sim_open): Set sim_kind, myname.
815 (sim_load): Call sim_load_file to do work. Set start address from bfd.
816 (sim_create_inferior): Return SIM_RC. Delete start_address arg.
817
818Thu Apr 17 11:48:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
819
820 * wrapper.c (sim_trace): Update so that it matches prototype.
821
822Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
823
824 * configure: Regenerated to track ../common/aclocal.m4 changes.
825 * config.in: Ditto.
826
827Mon Apr 7 12:01:17 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
828
829 * Makefile.in (armemu32.o): Replace $< with autoconf recommended
830 $(srcdir)/....
831 (armemu26.o): Ditto.
832
833Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
834
835 * wrapper.c (sim_open): New arg `kind'.
836
837 * configure: Regenerated to track ../common/aclocal.m4 changes.
838
839Wed Apr 2 14:50:44 1997 Ian Lance Taylor <ian@cygnus.com>
840
841 * COPYING: Update FSF address.
842
843Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
844
845 * configure: Regenerated to track ../common/aclocal.m4 changes.
846
847Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
848
849 * configure: Regenerated to track ../common/aclocal.m4 changes.
850
851Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
852
853 * configure: Re-generate.
854
855Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
856
857 * configure: Regenerate to track ../common/aclocal.m4 changes.
858
859Thu Mar 13 12:38:56 1997 Doug Evans <dje@canuck.cygnus.com>
860
861 * wrapper.c (sim_open): Has result now.
862 (sim_*): New SIM_DESC argument.
863
864Tue Feb 4 13:22:21 1997 Doug Evans <dje@canuck.cygnus.com>
865
866 * Makefile.in (@COMMON_MAKEFILE_FRAG@): Use
867 COMMON_{PRE,POST}_CONFIG_FRAG instead.
868 * configure.in: sinclude ../common/aclocal.m4.
869 * configure: Regenerated.
870
871Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
872
873 * configure configure.in Makefile.in: Update to new configure
874 scheme which is more compatible with WinGDB builds.
875 * configure.in: Improve comment on how to run autoconf.
876 * configure: Re-run autoconf to get new ../common/aclocal.m4.
877 * Makefile.in: Use autoconf substitution to install common
878 makefile fragment.
879
880Wed Nov 20 01:05:10 1996 Doug Evans <dje@canuck.cygnus.com>
881
882 * run.c: Deleted, use one in ../common now.
883 * Makefile.in: Delete everything that's been moved to
884 ../common/Make-common.in.
885 (SIM_OBJS): Define.
886 * configure.in: Simplify using macros in ../common/aclocal.m4.
887 * configure: Regenerated.
888 * config.in: New file.
889 * armos.c: #include config.h.
890 * wrapper.c (mem_size): Value is in bytes now.
891 (sim_callback): New global.
892 (arm_sim_set_profile{,_size}): Delete.
893 (arm_sim_set_mem_size): Rename to sim_size.
894 (sim_do_command): Call printf_filtered via callback.
895 (sim_set_callbacks): Record callback.
896
897Thu Oct 3 16:10:27 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
898
899 * Makefile.in (mostlyclean): Remove config.log.
900
901Wed Jun 26 12:17:24 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
902
903 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
904 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
905 (docdir): Removed.
906 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
907 (AC_PROG_INSTALL): Added.
908 * configure: Rebuilt.
909
910Wed Feb 21 12:14:31 1996 Ian Lance Taylor <ian@cygnus.com>
911
912 * configure: Regenerate with autoconf 2.7.
913
914Fri Dec 15 16:27:30 1995 Ian Lance Taylor <ian@cygnus.com>
915
916 * run.c (main): Use new bfd_big_endian macro.
917
918Mon Nov 20 17:40:38 1995 Doug Evans <dje@canuck.cygnus.com>
919
920 * run.c: Include "getopt.h".
921 (verbose): Delete.
922 (usage): Make static.
923 (main): Call arm_sim_set_verbosity.
924 Only load sections marked SEC_LOAD.
925 * wrapper.c (mem_size, verbosity): New static global.
926 (arm_sim_set_mem_size): Renamed from sim_size. Callers updated.
927 (arm_sim_set_profile{,_size}): Renamed from sim_foo. Callers updated.
928
929Fri Nov 17 19:35:11 1995 Doug Evans <dje@canuck.cygnus.com>
930
931 * armdefs.h (ARMul_State): New member `verbose'.
932 * armrdi.c (ARMul_ConsolePrint): Add missing va_end.
933 * run.c (verbose): Make global.
934 * wrapper.c (init): Set state->verbose.
935 (ARMul_ConsolePrint): Don't print anything if !verbose.
936
937Fri Oct 13 15:30:30 1995 Doug Evans <dje@canuck.cygnus.com>
938
939 * armos.c: #include dbg_rdi.h.
940 (ARMul_OSHandleSWI): Handle SWI_Breakpoint.
941 * armos.h (SWI_Breakpoint): Define.
942 * wrapper.c: #include armemu.h, dbg_rdi.h.
943 (rc): Delete.
944 (sim_resume): Use state->EndCondition to record stop state.
945 Call FLUSHPIPE before returning.
946 (sim_stop_reason): Determine reason from state->EndCondition.
947
948Fri Oct 13 15:04:05 1995 steve chamberlain <sac@slash.cygnus.com>
949
950 * wrapper.c (sim_set_callbacks): New.
951
952Thu Sep 28 19:45:56 1995 Doug Evans <dje@deneb.cygnus.com>
953
954 * armos.c (ARMul_OSHandleSWI): Result of read/write calls is
955 number of bytes not read/written (or -1).
956
957Wed Sep 20 13:35:54 1995 Ian Lance Taylor <ian@cygnus.com>
958
959 * Makefile.in (maintainer-clean): New synonym for realclean.
960
961Fri Sep 8 14:27:20 1995 Ian Lance Taylor <ian@cygnus.com>
962
963 * configure.in: Remove AC_PROG_INSTALL.
964 * configure: Rebuild.
965 * Makefile.in (INSTALL): Revert to using install.sh.
966 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
967 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
968 (mostlyclean): Make the same as clean, not distclean.
969 (clean): Remove config.log.
970 (install): Don't install in $(tooldir).
971
972Thu Sep 7 12:00:17 1995 Doug Evans <dje@canuck.cygnus.com>
973
974 (Try to) Update to new bfd autoconf scheme.
975 * run.c: Don't include sysdep.h.
976 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
977 (CC, CFLAGS, AR, RANLIB): Likewise.
978 (HDEFINES, TDEFINES): Define.
979 (CC_FOR_BUILD): Delete.
980 (host_makefile_frag): Delete.
981 (Makefile): Don't depend on frags.
982 * configure.in (sysdep.h): Don't create symlink.
983 (host_makefile_frag, frags): Deleted.
984 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
985 * configure: Regenerated.
986
987Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
988
989 * Update all FSF addresses except those in COPYING* files.
990
991Wed Jul 5 16:15:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
992
993 * Makefile.in (clean): Remove run, libsim.a.
994
995 * Makefile.in, configure.in: converted to autoconf.
996 * configure: New file, generated with autconf 2.4.
997
998 * arm.mt: Removed.
999
1000Fri Jun 30 16:49:47 1995 Stan Shebs <shebs@andros.cygnus.com>
1001
1002 * wrapper.c (sim_do_command): New function.
1003
1004Tue Jun 13 10:57:32 1995 Steve Chamberlain <sac@slash.cygnus.com>
1005
1006 * armos.c (ARMul_OSHandleSWI): New version to work with
1007 newlib simply.
1008
1009Thu Jun 8 14:37:14 1995 Steve Chamberlain <sac@slash.cygnus.com>
1010
1011 * run.c (main): Grab return value from right register.
1012
1013Wed May 24 14:37:31 1995 Steve Chamberlain <sac@slash.cygnus.com>
1014
1015 * New.
1016
1017
GDB Binutils - Deliverables
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