sim/arm/ChangeLog

   1 2002-05-27  Nick Clifton  <nickc@cambridge.redhat.com>
   2
   3         * armvirt.c (GetWord): Only perform access checks if 'check'
   4         is set.
   5         (PutWord): Likewise.
   6         * wrapper.c (sim_create_inferior): Report unknown machine
   7         numbers.
   8         * thumbemu.c (ARMul_ThumbDecode, Case 31): Do not set LR to pc +
   9         2, it has already been advanced.
  10
  11 2002-05-23  Nick Clifton  <nickc@cambridge.redhat.com>
  12
  13         * thumbemu.c (ARMul_ThumbDecode): When decoding a BLX(1)
  14         instruction do not add in the second bit of the base address -
  15         this has already been accounted for.
  16
  17 2002-05-21  Nick Clifton  <nickc@cambridge.redhat.com>
  18
  19         * armcopro.c (check_cp13_access): Allow access to register 1 when
  20         CRm is 1.
  21         (write_cp13_reg): Allow bit 0 of reg 1 of CRm 1 to be written to.
  22
  23 2002-05-20  Nick Clifton  <nickc@cambridge.redhat.com>
  24
  25         * Makefile.in (SWI_TARGET_SWITCHES): Define.
  26         * armos.c (swi_mask): Define.  Initialise to supporting all
  27         SWI emulations.
  28         (ARMul_OSInit): For XScale targets, only support the ANGEL
  29         SWI interface.  (This is at the request if Intel).
  30         (ARMul_OSHandleSWI): Examine swi_mask to see if a particular
  31         SWI call should be emulated.
  32         Do not fall through from AngelSWI_Reason_WriteC.
  33         Propagate exit code from RedBoot Exit SWI.
  34         * rdi-dgb.h (swi_mask): Prototype.
  35         (SWI_MASK_DEMON, SWI_MASK_ANGEL, SWI_MASK_REDBOOT): Define.
  36         * wrapper.c: Include run-sim.h.
  37         (sim_target_parse_command_line): New function.  Look for and
  38         handle --swi-support switch.
  39         (sim_target_parse_arg_array): New function.  Process an argv
  40         array for parsing by sim_target_parse_command_line.
  41         (sim_target_display_usage): New function.  Describe syntax of
  42         --swi-suppoort switch.
  43         (sim_open): Add call to sim_target_parse_arg_array).
  44
  45 2002-05-17  Nick Clifton  <nickc@cambridge.redhat.com>
  46
  47         * Makefile.in (SWI_TARGET_SWITCHES): Define.
  48         * armos.c (swi_mask): Define.  Initialise to supporting all
  49         SWI emulations.
  50         (ARMul_OSInit): For XScale targets, only support the ANGEL
  51         SWI interface.  (This is at the request if Intel).
  52         (ARMul_OSHandleSWI): Examine swi_mask to see if a particular
  53         SWI call should be emulated.
  54         Do not fall through from AngelSWI_Reason_WriteC.
  55         Propagate exit code from RedBoot Exit SWI.
  56         * rdi-dgb.h (swi_mask): Prototype.
  57         (SWI_MASK_DEMON, SWI_MASK_ANGEL, SWI_MASK_REDBOOT): Define.
  58         * wrapper.c (sim_target_parse_command_line): New function.
  59         Look for and handle --swi-support switch.
  60         (sim_target_parse_arg_array): New function.  Process an argv
  61         array for parsing by sim_target_parse_command_line.
  62         (sim_target_display_usage): New function.  Describe syntax of
  63         --swi-suppoort switch.
  64         (sim_open): Add call to sim_target_parse_arg_array).
  65
  66 2002-05-09  Nick Clifton  <nickc@cambridge.redhat.com>
  67
  68         * armos.c (ARMul_OSHandleSWI): Support the RedBoot SWI in ARM
  69         mode and some of its system calls.
  70
  71 2002-03-17  Anthony Green  <green@redhat.com>
  72
  73         * wrapper.c (mem_size): Increase the default target memory to 8MB.
  74
  75 2002-02-21  Keith Seitz  <keiths@redhat.com>
  76
  77         * armos.c (SWIWrite0): Use generic host_callback mechanism
  78         for supported OS functions "open", "close", "write", etc.
  79         (SWIopen): Likewise.
  80         (SWIread): Likewise.
  81         (SWIwrite): Likewise.
  82         (SWIflen): Likewise.
  83         (ARMul_OSHandleSWI): Likewise.
  84
  85 2002-02-05  Nick Clifton  <nickc@cambridge.redhat.com>
  86
  87         * wrapper.c (sim_create_inferior): Modify previous patch so that
  88         it is only triggered for COFF format executables.
  89
  90 2002-02-04  Nick Clifton  <nickc@cambridge.redhat.com>
  91
  92         * wrapper.c (sin_create_inferior): If a v5 architecture is
  93         detected, assume it might be an XScale binary, since there is no
  94         way to distinguish between the two in the COFF file format.
  95
  96 2002-01-10  Nick Clifton  <nickc@cambridge.redhat.com>
  97
  98         * arminit.c (ARMul_Abort): Fix parameters passed to CPRead[13].
  99         * armemu.c (ARMul_Emulate32): Fix parameters passed to CPRead[13]
 100         and CPRead[14].
 101         Fix formatting.  Improve layout.
 102         * armemu.h: Fix formatting.  Improve layout.
 103
 104 2002-01-09  Nick Clifton  <nickc@cambridge.redhat.com>
 105
 106         * wrapper.c (sim_fetch_register): If fetching more than 4 bytes
 107         return zeroes in the other words.
 108         General formatting tidy ups.
 109
 110 2001-11-16  Ben Harris  <bjh21@netbsd.org>
 111
 112         * Makefile.in (armemu32.o): Replace $< with autoconf recommended
 113         $(srcdir)/....
 114         (armemu26.o): Ditto.
 115
 116 2001-10-18  Nick Clifton  <nickc@cambridge.redhat.com>
 117
 118         * armemu.h (CP_ACCESS_ALLOWED): New macro.
 119         Fix formatting.
 120         * armcopro.c (read_cp14_reg): Make static.
 121         (write_cp14_reg): Make static.
 122         (check_cp13_access): Use CP_ACCESS_ALLOWED macro.
 123         Fix formatting.
 124         * armsupp.c (ARMul_LDC): Check CP_ACCESS_ALLOWED.
 125         (ARMul_STC): Check CP_ACCESS_ALLOWED.
 126         (ARMul_MCR): Check CP_ACCESS_ALLOWED.
 127         (ARMul_MRC): Check CP_ACCESS_ALLOWED.
 128         (ARMul_CDP): Check CP_ACCESS_ALLOWED.
 129         Fix formatting.
 130         * armemu.c (MCRR): Check CP_ACCESS_ALLOWED.  Test Rd and Rn not
 131         equal to 15.
 132         (MRRC): Check CP_ACCESS_ALLOWED.  Test Rd and Rn not equal to 15.
 133         Fix formatting.
 134
 135 2001-05-11  Nick Clifton  <nickc@cambridge.redhat.com>
 136
 137         * armemu.c (ARMul_Emulate32): Fix handling of XScale LDRD and STRD
 138         instructions with post indexed addressing modes.
 139
 140 2001-05-08  Jens-Christian Lache  <lache@tu-harburg.de>
 141
 142         * armsupp.c (ARMul_FixCPSR): Check Mode not Bank in order to
 143         determine rocesor mode.
 144
 145 2001-04-18  matthew green  <mrg@redhat.com>
 146
 147         * armcopro.c (write_cp15_reg): Set CHANGEMODE if endianness changes.
 148         (read_cp15_reg): Make non-static.
 149         (XScale_cp15_LDC): Update for write_cp15_reg() change.
 150         (XScale_cp15_MCR): Likewise.
 151         (XScale_cp15_write_reg): Likewise.
 152         (XScale_check_memacc): New function. Check for breakpoints being
 153         activated by memory accesses.  Does not support the Branch Target
 154         Buffer.
 155         (XScale_set_fsr_far): New function. Set FSR and FAR for XScale.
 156         (XScale_debug_moe): New function. Set the debug Method Of Entry,
 157         if configured.
 158         (write_cp14_reg): Reset count counter if requested.
 159         * armdefs.h (struct ARMul_State): New members `LastTime' and
 160         `CP14R0_CCD' used for the timer/counters.
 161         (ARMul_CP13_R0_FIQ, ARMul_CP13_R0_IRQ, ARMul_CP13_R8_PMUS,
 162         ARMul_CP14_R0_ENABLE, ARMul_CP14_R0_CLKRST, ARMul_CP14_R0_CCD,
 163         ARMul_CP14_R0_INTEN0, ARMul_CP14_R0_INTEN1, ARMul_CP14_R0_INTEN2,
 164         ARMul_CP14_R0_FLAG0, ARMul_CP14_R0_FLAG1, ARMul_CP14_R0_FLAG2,
 165         ARMul_CP14_R10_MOE_IB, ARMul_CP14_R10_MOE_DB, ARMul_CP14_R10_MOE_BT,
 166         ARMul_CP15_R1_ENDIAN, ARMul_CP15_R1_ALIGN, ARMul_CP15_R5_X,
 167         ARMul_CP15_R5_ST_ALIGN, ARMul_CP15_R5_IMPRE, ARMul_CP15_R5_MMU_EXCPT,
 168         ARMul_CP15_DBCON_M, ARMul_CP15_DBCON_E1, ARMul_CP15_DBCON_E0): New
 169         defines for XScale registers.
 170         (XScale_check_memacc, XScale_set_fsr_far, XScale_debug_moe): Prototype.
 171         (ARMul_Emulate32, ARMul_Emulate26): Clean up function definition.
 172         (ARMul_Emulate32): Handle the clock counter and hardware instruction
 173         breakpoints.  Call XScale_set_fsr_far() for software breakpoints and
 174         software interrupts.
 175         (LoadMult): Call XScale_set_fsr_far() for data aborts.
 176         (LoadSMult): Likewise.
 177         (StoreMult): Likewise.
 178         (StoreSMult): Likewise.
 179         * armemu.h (write_cp15_reg): Update prototype.
 180         * arminit.c (ARMul_NewState): Initialise CP14R0_CCD and LastTime.
 181         (ARMul_Abort): If XScale, check for FIQ and IRQ being enabled in CP13
 182         register 0.
 183         * armvirt.c (GetWord): Call XScale_check_memacc().
 184         (PutWord): Likewise.
 185
 186 2001-03-20  Nick Clifton  <nickc@redhat.com>
 187
 188         * armvirt.c (ARMul_ReLoadInstr): Do not enable alignment checking
 189         when loading unaligned thumb instructions.
 190
 191 2001-03-06  Nick Clifton  <nickc@redhat.com>
 192
 193         * thumbemu.c (ARMul_ThumbDecode): Delete label bo_blx2.
 194         Compute destination address of BLX(1) instruction by
 195         taking bit 1 from PC and not from bit 0 of the offset.
 196
 197 2001-02-27  Nick Clifton  <nickc@redhat.com>
 198
 199         * armvirt.c (GetWord): Add new parameter - check - to enable or
 200         disable the alignment checking.
 201         (PutWord):  Add new parameter - check - to enable or disable the
 202         alignment checking.
 203         (ARMul_ReLoadInstr): Pass extra parameter to GetWord.
 204         (ARMul_ReadWord): Pass extra parameter to GetWord.
 205         (ARMul_WriteWord): Pass extra parameter to PutWord.
 206         (ARMul_StoreHalfWord): Pass extra parameter to PutWord.
 207         (ARMul_WriteByte): Pass extra parameter to GetWord.
 208         (ARMul_SwapWord): Pass extra parameter to PutWord.
 209         (ARMul_SafeReadByte): New Function: Read a byte but do not abort.
 210         (ARMul_SafeWriteByte): New Function: Write a byte but do not abort.
 211
 212         * armdefs.h: Add prototypes for ARMul_SafeReadByte and
 213         ARMul_SafeWriteByte.
 214
 215         * wrapper.c (sim_write): Use ARMul_SafeWriteByte.
 216         (sim_read): Use ARMul_SafeReadByte.
 217
 218         * armos.c (in_SWI_handler): Remove.
 219         (SWIWrite0): Use ARMul_SafeReadByte.
 220         (WriteCommandLineTo): Use ARMul_SafeWriteByte.
 221         (SWIopen): Use ARMul_SafeReadByte.
 222         (SWIread): Use ARMul_SafeWriteByte.
 223         (SWIwrite): Use ARMul_SafeReadByte.
 224         (ARMul_OSHandleSWI): Remove use of is_SWI_handler.
 225         (ARMul_OSException): Remove use of is_SWI_handler.
 226
 227 2001-02-16  Nick Clifton  <nickc@redhat.com>
 228
 229         * armemu.c: Remove Prefetch abort for breakpoints.  Instead set
 230         the state to RESUME.
 231
 232 2001-02-14  Nick Clifton  <nickc@redhat.com>
 233
 234         * armemu.c: Add code to preserve processor mode when a prefetch
 235         abort is signalled after processing a breakpoint.
 236
 237         * wrapper.c (sim_create_inferior): Reset processor into ARM mode
 238         for any machine type except the early ARMs.
 239
 240 2001-02-13  Nick Clifton  <nickc@redhat.com>
 241
 242         * armos.c (in_SWI_handler): New static variable.
 243         (ARMul_OSHandleSWI): Set in_SWI_handler whilst emulating a SWI.
 244         (ARMul_OSException): Ignore exceptions generated whilst emulating
 245         a SWI.
 246
 247 2001-02-12  Nick Clifton  <nickc@redhat.com>
 248
 249         * armemu.h (NEGBRANCH): Fix defintion.
 250
 251 2001-02-01  Nick Clifton  <nickc@redhat.com>
 252
 253         * armemu.c (LoadSMult): Update base address register after
 254         restoring register bank.
 255         (StoreMult): Update base address register after restoring register
 256         bank.
 257
 258 2001-01-31  Nick Clifton  <nickc@redhat.com>
 259
 260         * armvirt.c (PutWord): Detect installation of SWI vector.
 261         (SWI_vector_installed): Define.
 262         * armos.c (ARMul_OsInit): Reset SWI_vector_installed.
 263         * armos.h (SWI_vector_installed): Declare.
 264         * wrapper.c (SWI_vector_installed): Remove definition.
 265         (sim_write): Remove check of SWI vector installation
 266
 267 2000-12-18  Nick Clifton  <nickc@redhat.com>
 268
 269         * armemu.c (ARMul_Emulate26): Fix test for StoreDouble
 270         instruction.
 271
 272 2000-12-10  Nick Clifton  <nickc@redhat.com>
 273
 274         * armos.c (ARMul_OSHandleSWI): Add 0x91 as an FPE SWI.
 275
 276 2000-12-07  Nick Clifton  <nickc@redhat.com>
 277
 278         * armemu.c (ARMul_Emulate26): Detect double word load and
 279         store instructions and call emulation routines.
 280         (Handle_Load_Double): Emulate a double word load instruction.
 281         (Handle_Store_Double): Emulate a double word store
 282         instruction.
 283
 284 2000-12-03  Nick Clifton  <nickc@redhat.com>
 285
 286         * armos.c: Fix formatting.
 287         (ARMul_OSHandleSWI): Suppress support of DEMON SWIs when in xscale
 288         mode.
 289
 290 2000-11-29  Nick Clifton  <nickc@redhat.com>
 291
 292         * armdefs.h (State): Add 'v5e' and 'xscale' fields.
 293         (ARM_v5e_Prop): Define.
 294         (ARM_XScale_Prop): Define.
 295
 296         * wrapper.c (sim_create_inferior): Select processor based on
 297         machine number.
 298         (SWI_vector_installed): New boolean.  Set to true if the SWI
 299         vector address is written to by the executable.
 300
 301         * arminit.c (ARMul_NewState): Switch default to 32 bit mode.
 302         (ARMul_SelectProcessor): Initialise v5e and xscale signals.
 303         (ARMul_Abort): Fix calculation of LR address.
 304
 305         * armos.c (ARMul_OSHandleSWI): If a SWI vector has been installed
 306         and a SWI is not handled by the simulator, pass the SWI off to the
 307         vector, otherwise issue a warning message and continue.
 308
 309         * armsupp.c (ARMul_CPSRAltered): Set S bit aswell.
 310
 311         * thumbemu.c: Add v5 instruction simulation.
 312         * armemu.c: Add v5, XScale and El Segundo instruction simulation.
 313
 314         * armcopro.c: Add XScale co-processor emulation.
 315         * armemu.h: Add exported XScale co-processor functions.
 316
 317 2000-09-15  Nick Clifton  <nickc@redhat.com>
 318
 319         * armdefs.h: Rename StrongARM property to v4_ARM and add v5 ARM
 320         property.  Delete unnecessary processor names.
 321         (ARM_Strong_Prop): Delete.
 322         (STRONGARM): Delete.
 323         (ARM_v4_Prop): Add.
 324         (ARM_v5_Prop): Add
 325         (State): Delete is_StrongARM boolean.  Add is_v4 and is_v5
 326         booleans.
 327
 328         * armemu.h (BUSUSEDINCPCS): Use is_v4 boolean.
 329         (BUSUSEDINCPCN): Use is_v4 boolean.
 330
 331         * arminit.c (ARMul_NewState): Initialise is_v4 and is_v5 fields.
 332         (ARMul_SelectProcessor): Change second parameter from 'processor'
 333         to 'properties'.  Set is_v4 and is_v5 booleans in State.
 334
 335         * armrdi.c: Remove use of ARM processor names.  Replace with ARM
 336         processor properties.
 337
 338         * wrapper.c (sim_create_inferior): Choose properties passed to
 339         ARMul_SelectProcessor based on machine number.
 340
 341 2000-08-14  Nick Clifton  <nickc@redhat.com>
 342
 343         * armemu.c (LHPOSTDOWN): Compute write back value before
 344         performing load in case the offset register is overwritten.
 345         (LHPOSTUP): Ditto.
 346
 347 2000-07-14  Fernando Nasser <fnasser@cygnus.com>
 348
 349         * wrapper.c (sim_create_inferior): Fix typo in the previous patch.
 350
 351 2000-07-14  Fernando Nasser <fnasser@cygnus.com>
 352
 353         * wrapper.c (sim_create_inferior): Reset mode to ARM when creating a
 354         new inferior.
 355
 356 2000-07-04  Alexandre Oliva  <aoliva@redhat.com>
 357
 358         * armvirt.c (ABORTS): Do not define.
 359
 360         * armdefs.h (struct ARMul_State): Add is_StrongARM.
 361         (ARM_Strong_Prop, STRONGARM): Define.
 362         * arminit.c (ARMul_NewState): Reset is_StrongARM.
 363         (ARMul_SelectProcessor): Set is_StrongARM.
 364         * wrapper.c (sim_create_inferior): Use bfd machine type to
 365         determine processor type to emulate.
 366         * armemu.h (BUSUSEDINCPCS, BUSUSEDINCPCN): Don't increment PC
 367         when emulating StrongARM.
 368
 369         * armemu.c (ARMul_Emulate, t_undefined): Proceed to next insn.
 370
 371         * armemu.h (INSN_SIZE): New macro.
 372         (SET_ABORT): Save CPSR in SPSR and set LR.
 373         * armemu.c (ARMul_Emulate, isize): Set to INSN_SIZE.
 374         (WriteR15, WriteSR15): Do not discard bit 1 in Thumb mode.
 375         * arminit.c (ARMul_Abort): Use new SETABORT and INSN_SIZE.
 376
 377         * armemu.c (LoadSMult): Use WriteR15() to discard the least
 378         significant bits of PC.
 379
 380         * armemu.h (WRITEDESTB): New macro.
 381         * armemu.c (ARMul_Emulate26, bl): Use WriteR15Branch() to
 382         modify PC.  Moved the existing logic...
 383         (WriteR15Branch): ... here.  New function.
 384         (WriteR15, WriteSR15): Drop the two least significant bits.
 385         (LoadSMult): Use WriteR15Branch() to modify PC.
 386         (LoadMult): Use WRITEDESTB() instead of WRITEDEST().
 387
 388         * armemu.h (GETSPSR): Call ARMul_GetSPSR().
 389         * armsupp.c (ARMul_CPSRAltered): Zero out bits as they're
 390         extracted from state->Cpsr, but preserve the unused bits.
 391         (ARMul_GetCPSR): Get bits preserved in state->Cpsr.
 392         (ARMul_GetSPSR, ARMul_FixCPSR): Use ARMul_GetCPSR() to
 393         get the full CPSR word.
 394
 395         * armemu.h (PSR_FBITS, PSR_SBITS, PSR_XBITS, PSR_CBITS): New.
 396         (SETPSR_F, SETPSR_S, SETPSR_X, SETPSR_C): New macros.
 397         (SETPSR, SET_INTMODE, SETCC): Removed.
 398         * armsupp.c (ARMul_FixCPSR, ARMul_FixSPSR): Do not test bit
 399         mask.  Use SETPSR_* to modify PSR.
 400         (ARMul_SetCPSR): Load all bits from value.
 401         * armemu.c (ARMul_Emulate, msr): Do not test bit mask.
 402
 403         * armemu.c (ARMul_Emulate): Compute writeback value before
 404         loading, since the offset register may be the destination
 405         register.
 406
 407         * armdefs.h (SYSTEMBANK): Define as USERBANK.
 408         * armsupp.c (ARMul_SwitchMode): Remove SYSTEMBANK cases.
 409
 410 2000-06-22  Alexandre Oliva  <aoliva@cygnus.com>
 411
 412         * armemu.c (Multiply64): Fix computation of flag N.
 413
 414         * armemu.c (MultiplyAdd64): Fix computation of flag N.
 415
 416 2000-06-20  Alexandre Oliva  <aoliva@cygnus.com>
 417
 418         * armemu.h (NEGBRANCH): Do not overwrite the two most significant
 419         bits of the offset.
 420
 421 2000-05-25  Nick Clifton  <nickc@cygnus.com>
 422
 423         * armcopro.c (MMUMCR): Only indicate mode change if a singal has
 424         really changed.
 425         (MMUWrite): Only indicate mode change if a singal has really
 426         changed.
 427
 428         * armdefs.h (SYSTEMMODE): Define.
 429         (BANK_CAN_ACEESS_SPSR): Define.
 430
 431         * armemu.c (ARM_Emulate26): If the mode has changed allow the PC
 432         to advance before stopping the emulation.
 433
 434         * arminit.c (ARMul_Reset): Ensure Mode field of State is set
 435         correctly.
 436
 437         * armos.c (ARMul_OSInit): Create a initial stack pointer for
 438         System mode.
 439
 440         * armsupp.c (ModeToBank): Remove unused first parameter.
 441         Add support for System Mode.
 442         (ARMul_GetSPSR): Use BANK_CAN_ACCESS_SPSR macro.
 443         (ARMul_SetSPSR): Use BANK_CAN_ACCESS_SPSR macro.
 444         (ARMul_FixSPSR): Use BANK_CAN_ACCESS_SPSR macro.
 445         (ARMulSwitchMode): Add support for System Mode.
 446
 447 Wed May 24 14:40:34 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 448
 449         * configure: Regenerated to track ../common/aclocal.m4 changes.
 450
 451 2000-05-23  Nick Clifton  <nickc@cygnus.com>
 452
 453         * wrapper.c (sim_store_register): Special handling for CPSR
 454         register.
 455
 456 2000-03-11  Philip Blundell  <philb@gnu.org>
 457
 458         * armemu.c (LoadSMult, LoadMult): Correct handling of aborts.
 459         Patch from Allan Skillman <Allan.Skillman@arm.com>.
 460
 461 Wed Mar 22 15:24:21 2000  glen mccready  <gkm@pobox.com>
 462
 463         * wrapper.c (sim_open,sim_close): Copy into myname, free myname.
 464
 465 2000-02-08  Nick Clifton  <nickc@cygnus.com>
 466
 467         * wrapper.c: Fix compile time warning messages.
 468         * armcopro.c: Fix compile time warning messages.
 469         * armdefs.h: Fix compile time warning messages.
 470         * armemu.c: Fix compile time warning messages.
 471         * armemu.h: Fix compile time warning messages.
 472         * armos.c: Fix compile time warning messages.
 473         * armsupp.c: Fix compile time warning messages.
 474         * armvirt.c: Fix compile time warning messages.
 475         * bag.c: Fix compile time warning messages.
 476
 477 2000-02-02  Bernd Schmidt  <bernds@cygnus.co.uk>
 478
 479         * *.[ch]: Use indent to make readable.
 480
 481 1999-11-22  Nick Clifton  <nickc@cygnus.com>
 482
 483         * armos.c (SWIread): Generate an error message if a huge read is
 484         performed.
 485         (SWIwrite): Generate an error message if a huge write is
 486         performed.
 487
 488 1999-10-27  Nick Clifton  <nickc@cygnus.com>
 489
 490         * thumbemu.c (ARMul_ThumbDecode): Accept 0xbebe as a thumb
 491         breakpoint.
 492
 493 1999-10-08  Ulrich Drepper  <drepper@cygnus.com>
 494
 495         * armos.c (SWIopen): Always pass third parameter with 0666 since
 496         otherwise uninitialized memory gets access if the O_CREAT bit is
 497         set and so we possibly cannot access the file afterwards.
 498
 499 1999-09-29  Doug Evans  <devans@casey.cygnus.com>
 500
 501         * armos.c (SWIWrite0): Send output to stdout instead of stderr.
 502         (ARMul_OSHandleSWI, case SWI_WriteC,AngelSWI_Reason_WriteC): Ditto.
 503
 504 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 505
 506         * configure: Regenerated to track ../common/aclocal.m4 changes.
 507
 508 1999-05-08  Felix Lee  <flee@cygnus.com>
 509
 510         * configure: Regenerated to track ../common/aclocal.m4 changes.
 511
 512 1999-04-06  Keith Seitz  <keiths@cygnus.com>
 513
 514         * wrapper.c (stop_simulator): New global.
 515         (sim_stop): Set sim state to STOP and set
 516         stop_simulator.
 517         (sim_resume): Reset stop_simulator.
 518         (sim_stop_reason): If stop_simulator is set, tell gdb
 519         that the we took SIGINT.
 520         * armemu.c (ARMul_Emulate26): Don't loop forever. Stop if
 521         stop_simulator is set.
 522
 523 1999-04-02  Keith Seitz  <keiths@cygnus.com>
 524
 525         * armemu.c (ARMul_Emulate26): If NEED_UI_LOOP_HOOK, call ui_loop_hook
 526         whenever the counter expires.
 527         * Makefile.in (SIM_EXTRA_CFLAGS): Include define NEED_UI_LOOP_HOOK.
 528
 529 1999-03-24  Nick Clifton  <nickc@cygnus.com>
 530
 531         * armemu.c (ARMul_Emulate26): Handle new breakpoint value.
 532         * thumbemu.c (ARMul_ThumbDecode): Handle new breakpoint value.
 533
 534 Mon Sep 14 09:00:05 1998  Nick Clifton  <nickc@cygnus.com>
 535
 536         * wrapper.c (sim_open): Set endianness according to BFD or command
 537         line switch.
 538
 539         * tconfig.in: Define SIM_HAVE_BIENDIAN.
 540
 541 Thu Aug 27 11:00:05 1998  Nick Clifton  <nickc@cygnus.com>
 542
 543         * armemu.c (Multiply64): Test for Rm (rather than Rs) not being
 544         the same as either RdHi or RdLo.
 545
 546 Thu Jul  2 10:24:35 1998  Nick Clifton  <nickc@cygnus.com>
 547
 548         * armos.c (ARMul_OSHandleSWI: AngelSWI_Reason_ReportException):
 549         Set Reg[0] based on reason for for the exception.
 550
 551 Thu Jun  4 15:22:03 1998  Jason Molenda  (crash@bugshack.cygnus.com)
 552
 553         * armos.c (SWIwrite0): New function.
 554         (WriteCommandLineTo): New function.
 555         (SWIopen): New function.
 556         (SWIread): New function.
 557         (SWIwrite): New function.
 558         (SWIflen): New function.
 559         (ARMul_OSHandleSWI): Call new functions instead of handling
 560         these here.
 561         (ARMul_OSHandleSWI): Handle Angel SWIs correctly.
 562         (*): Reformat spacing to be a bit more GNUly.
 563         Most code taken from a patch by Anthony Thompson
 564         (athompso@cambridge.arm.com)
 565
 566 Tue Jun  2 15:22:22 1998  Nick Clifton  <nickc@cygnus.com>
 567
 568         * armos.h: Add Angel SWI and its reason codes.
 569         * armos.c (ARMul_OSHandleSWI): Ignore Angel SWIs (for now).
 570
 571 Mon Jun  1 17:14:19 1998  Anthony Thompson (athompso@cambridge.arm.com)
 572
 573         * armos.c (ARMul_OSHandleSWI::SWI_Open): Handle special case
 574         of ":tt" to catch stdin in addition to stdout.
 575         (ARMul_OSHandleSWI::SWI_Seek): Return 0 or 1 to indicate failure
 576         or success of lseek().
 577
 578 Wed May 20 17:36:25 1998  Nick Clifton  <nickc@cygnus.com>
 579
 580         * armos.c (ARMul_OSHandleSWI): Special case code to catch attempts
 581         to open stdout.
 582
 583 Wed Apr 29 15:29:55 1998  Jeff Johnston  <jjohnstn@cygnus.com>
 584
 585         * armos.c (ARMul_OSHandleSWI): Added code for SWI_Clock,
 586         SWI_Flen, and SWI_Time.  Also fixed SWI_Seek code to only
 587         seek from offset 0 and not to use R2 for whence since it is
 588         not passed as part of the SWI call.
 589
 590 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 591
 592         * configure: Regenerated to track ../common/aclocal.m4 changes.
 593
 594 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 595
 596         * configure: Regenerated to track ../common/aclocal.m4 changes.
 597         * config.in: Ditto.
 598
 599 Sun Apr 26 15:20:26 1998  Tom Tromey  <tromey@cygnus.com>
 600
 601         * acconfig.h: New file.
 602         * configure.in: Reverted change of Apr 24; use sinclude again.
 603
 604 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 605
 606         * configure: Regenerated to track ../common/aclocal.m4 changes.
 607         * config.in: Ditto.
 608
 609 Fri Apr 24 11:20:19 1998  Tom Tromey  <tromey@cygnus.com>
 610
 611         * configure.in: Don't call sinclude.
 612
 613 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 614
 615         * configure: Regenerated to track ../common/aclocal.m4 changes.
 616
 617 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 618
 619         * configure: Regenerated to track ../common/aclocal.m4 changes.
 620
 621 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 622
 623         * configure: Regenerated to track ../common/aclocal.m4 changes.
 624
 625 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 626
 627         * configure: Regenerated to track ../common/aclocal.m4 changes.
 628
 629 Tue Mar 10 09:26:38 1998  Nick Clifton  <nickc@cygnus.com>
 630
 631         * armopts.h: Remove definition of LITTLEND - it is not used.
 632
 633 Tue Feb 17 12:35:54 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 634
 635         * wrapper.c (sim_store_register, sim_fetch_register): Pass in
 636         length parameter. Return -1.
 637
 638 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 639
 640         * configure: Regenerated to track ../common/aclocal.m4 changes.
 641
 642 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 643
 644         * configure: Regenerated to track ../common/aclocal.m4 changes.
 645
 646 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 647
 648         * configure: Regenerated to track ../common/aclocal.m4 changes.
 649
 650 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 651
 652         * configure: Regenerated to track ../common/aclocal.m4 changes.
 653         * config.in: Ditto.
 654
 655 Tue Dec  9 11:30:48 1997  Nick Clifton  <nickc@cygnus.com>
 656
 657         * Makefile.in: Updated with changes from branch.
 658         * armdefs.h:   ditto
 659         * armemu.c:    ditto   these changes
 660         * armemu.h:    ditto   add support for
 661         * armos.c:     ditto   the Thumb instruction
 662         * armsupp.c:   ditto   set and the new v4
 663         * armvirt.c:   ditto   architecture.
 664         * wrapper.c:   ditto
 665         * thumbemu.c:  New file from branch.
 666
 667
 668 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 669
 670         * configure: Regenerated to track ../common/aclocal.m4 changes.
 671
 672 Thu Oct 30 13:54:06 1997  Nick Clifton  <nickc@cygnus.com>
 673
 674         * armos.c (ARMul_OSHandleSWI): Add support for GetEnv SWI.  Patch
 675         from Tony Thompson at ARM: athompso@arm.com
 676
 677         * wrapper.c (sim_create_inferior): Add code to create an execution
 678         environment.  Patch from Tony Thompson at ARM: athompso@arm.com
 679
 680 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 681
 682         * wrapper.c (sim_load): Pass lma_p and sim_write args to
 683         sim_load_file.
 684
 685 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 686
 687         * configure: Regenerated to track ../common/aclocal.m4 changes.
 688
 689 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 690
 691         * configure: Regenerated to track ../common/aclocal.m4 changes.
 692
 693 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 694
 695         * configure: Regenerated to track ../common/aclocal.m4 changes.
 696
 697 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 698
 699         * configure: Regenerated to track ../common/aclocal.m4 changes.
 700
 701 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 702
 703         * configure: Regenerated to track ../common/aclocal.m4 changes.
 704
 705 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 706
 707         * configure: Regenerated to track ../common/aclocal.m4 changes.
 708
 709 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 710
 711         * configure: Regenerated to track ../common/aclocal.m4 changes.
 712
 713 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 714
 715         * configure: Regenerated to track ../common/aclocal.m4 changes.
 716         * config.in: Ditto.
 717
 718 Tue Aug 26 10:37:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 719
 720         * wrapper.c (sim_kill): Delete.
 721         (sim_create_inferior): Add ABFD argument.
 722         (sim_load): Move setting of PC from here.
 723         (sim_create_inferior): To here.
 724
 725 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 726
 727         * configure: Regenerated to track ../common/aclocal.m4 changes.
 728         * config.in: Ditto.
 729
 730 Mon Aug 25 15:35:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 731
 732         * wrapper.c (sim_open): Add ABFD argument.
 733
 734 Tue May 20 10:13:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 735
 736         * wrapper.c (sim_open): Add callback argument.
 737         (sim_set_callbacks): Drop SIM_DESC argument.
 738
 739 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 740
 741         * configure: Regenerated to track ../common/aclocal.m4 changes.
 742
 743 Fri Apr 18 13:32:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 744
 745         * wrapper.c (sim_stop): Stub sim_stop function.
 746
 747 Thu Apr 17 18:33:01 1997  Fred Fish  <fnf@cygnus.com>
 748
 749         * arminit.c (ARMul_NewState): Preinitialize the state to
 750         all zero/NULL.
 751
 752 Thu Apr 17 02:39:02 1997  Doug Evans  <dje@canuck.cygnus.com>
 753
 754         * Makefile.in (SIM_OBJS): Add sim-load.o.
 755         * wrapper.c (sim_kind,myname): New static locals.
 756         (sim_open): Set sim_kind, myname.
 757         (sim_load): Call sim_load_file to do work.  Set start address from bfd.
 758         (sim_create_inferior): Return SIM_RC.  Delete start_address arg.
 759
 760 Thu Apr 17 11:48:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 761
 762         * wrapper.c (sim_trace): Update so that it matches prototype.
 763
 764 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 765
 766         * configure: Regenerated to track ../common/aclocal.m4 changes.
 767         * config.in: Ditto.
 768
 769 Mon Apr  7 12:01:17 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 770
 771         * Makefile.in (armemu32.o): Replace $< with autoconf recommended
 772         $(srcdir)/....
 773         (armemu26.o): Ditto.
 774
 775 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 776
 777         * wrapper.c (sim_open): New arg `kind'.
 778
 779         * configure: Regenerated to track ../common/aclocal.m4 changes.
 780
 781 Wed Apr  2 14:50:44 1997  Ian Lance Taylor  <ian@cygnus.com>
 782
 783         * COPYING: Update FSF address.
 784
 785 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 786
 787         * configure: Regenerated to track ../common/aclocal.m4 changes.
 788
 789 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 790
 791         * configure: Regenerated to track ../common/aclocal.m4 changes.
 792
 793 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 794
 795         * configure: Re-generate.
 796
 797 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 798
 799         * configure: Regenerate to track ../common/aclocal.m4 changes.
 800
 801 Thu Mar 13 12:38:56 1997  Doug Evans  <dje@canuck.cygnus.com>
 802
 803         * wrapper.c (sim_open): Has result now.
 804         (sim_*): New SIM_DESC argument.
 805
 806 Tue Feb  4 13:22:21 1997  Doug Evans  <dje@canuck.cygnus.com>
 807
 808         * Makefile.in (@COMMON_MAKEFILE_FRAG@): Use
 809         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 810         * configure.in: sinclude ../common/aclocal.m4.
 811         * configure: Regenerated.
 812
 813 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 814
 815         * configure configure.in Makefile.in:  Update to new configure
 816         scheme which is more compatible with WinGDB builds.
 817         * configure.in:  Improve comment on how to run autoconf.
 818         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 819         * Makefile.in:  Use autoconf substitution to install common
 820         makefile fragment.
 821
 822 Wed Nov 20 01:05:10 1996  Doug Evans  <dje@canuck.cygnus.com>
 823
 824         * run.c: Deleted, use one in ../common now.
 825         * Makefile.in: Delete everything that's been moved to
 826         ../common/Make-common.in.
 827         (SIM_OBJS): Define.
 828         * configure.in: Simplify using macros in ../common/aclocal.m4.
 829         * configure: Regenerated.
 830         * config.in: New file.
 831         * armos.c: #include config.h.
 832         * wrapper.c (mem_size): Value is in bytes now.
 833         (sim_callback): New global.
 834         (arm_sim_set_profile{,_size}): Delete.
 835         (arm_sim_set_mem_size): Rename to sim_size.
 836         (sim_do_command): Call printf_filtered via callback.
 837         (sim_set_callbacks): Record callback.
 838
 839 Thu Oct  3 16:10:27 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
 840
 841         * Makefile.in (mostlyclean): Remove config.log.
 842
 843 Wed Jun 26 12:17:24 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
 844
 845         * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
 846         INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
 847         (docdir): Removed.
 848         * configure.in (AC_PREREQ): autoconf 2.5 or higher.
 849         (AC_PROG_INSTALL): Added.
 850         * configure: Rebuilt.
 851
 852 Wed Feb 21 12:14:31 1996  Ian Lance Taylor  <ian@cygnus.com>
 853
 854         * configure: Regenerate with autoconf 2.7.
 855
 856 Fri Dec 15 16:27:30 1995  Ian Lance Taylor  <ian@cygnus.com>
 857
 858         * run.c (main): Use new bfd_big_endian macro.
 859
 860 Mon Nov 20 17:40:38 1995  Doug Evans  <dje@canuck.cygnus.com>
 861
 862         * run.c: Include "getopt.h".
 863         (verbose): Delete.
 864         (usage): Make static.
 865         (main): Call arm_sim_set_verbosity.
 866         Only load sections marked SEC_LOAD.
 867         * wrapper.c (mem_size, verbosity): New static global.
 868         (arm_sim_set_mem_size): Renamed from sim_size.  Callers updated.
 869         (arm_sim_set_profile{,_size}): Renamed from sim_foo.  Callers updated.
 870
 871 Fri Nov 17 19:35:11 1995  Doug Evans  <dje@canuck.cygnus.com>
 872
 873         * armdefs.h (ARMul_State): New member `verbose'.
 874         * armrdi.c (ARMul_ConsolePrint): Add missing va_end.
 875         * run.c (verbose): Make global.
 876         * wrapper.c (init): Set state->verbose.
 877         (ARMul_ConsolePrint): Don't print anything if !verbose.
 878
 879 Fri Oct 13 15:30:30 1995  Doug Evans  <dje@canuck.cygnus.com>
 880
 881         * armos.c: #include dbg_rdi.h.
 882         (ARMul_OSHandleSWI): Handle SWI_Breakpoint.
 883         * armos.h (SWI_Breakpoint): Define.
 884         * wrapper.c: #include armemu.h, dbg_rdi.h.
 885         (rc): Delete.
 886         (sim_resume): Use state->EndCondition to record stop state.
 887         Call FLUSHPIPE before returning.
 888         (sim_stop_reason): Determine reason from state->EndCondition.
 889
 890 Fri Oct 13 15:04:05 1995  steve chamberlain  <sac@slash.cygnus.com>
 891
 892         * wrapper.c (sim_set_callbacks): New.
 893
 894 Thu Sep 28 19:45:56 1995  Doug Evans  <dje@deneb.cygnus.com>
 895
 896         * armos.c (ARMul_OSHandleSWI): Result of read/write calls is
 897         number of bytes not read/written (or -1).
 898
 899 Wed Sep 20 13:35:54 1995  Ian Lance Taylor  <ian@cygnus.com>
 900
 901         * Makefile.in (maintainer-clean): New synonym for realclean.
 902
 903 Fri Sep  8 14:27:20 1995  Ian Lance Taylor  <ian@cygnus.com>
 904
 905         * configure.in: Remove AC_PROG_INSTALL.
 906         * configure: Rebuild.
 907         * Makefile.in (INSTALL): Revert to using install.sh.
 908         (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
 909         (INSTALL_XFORM, INSTALL_XFORM1): Restore.
 910         (mostlyclean): Make the same as clean, not distclean.
 911         (clean): Remove config.log.
 912         (install): Don't install in $(tooldir).
 913
 914 Thu Sep  7 12:00:17 1995  Doug Evans  <dje@canuck.cygnus.com>
 915
 916         (Try to) Update to new bfd autoconf scheme.
 917         * run.c: Don't include sysdep.h.
 918         * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
 919         (CC, CFLAGS, AR, RANLIB): Likewise.
 920         (HDEFINES, TDEFINES): Define.
 921         (CC_FOR_BUILD): Delete.
 922         (host_makefile_frag): Delete.
 923         (Makefile): Don't depend on frags.
 924         * configure.in (sysdep.h): Don't create symlink.
 925         (host_makefile_frag, frags): Deleted.
 926         (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
 927         * configure: Regenerated.
 928
 929 Thu Aug  3 10:45:37 1995  Fred Fish  <fnf@cygnus.com>
 930
 931         * Update all FSF addresses except those in COPYING* files.
 932
 933 Wed Jul  5 16:15:54 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
 934
 935         * Makefile.in (clean): Remove run, libsim.a.
 936
 937         * Makefile.in, configure.in: converted to autoconf.
 938         * configure: New file, generated with autconf 2.4.
 939
 940         * arm.mt: Removed.
 941
 942 Fri Jun 30 16:49:47 1995  Stan Shebs  <shebs@andros.cygnus.com>
 943
 944         * wrapper.c (sim_do_command): New function.
 945
 946 Tue Jun 13 10:57:32 1995  Steve Chamberlain  <sac@slash.cygnus.com>
 947
 948         * armos.c (ARMul_OSHandleSWI): New version to work with
 949         newlib simply.
 950
 951 Thu Jun  8 14:37:14 1995  Steve Chamberlain  <sac@slash.cygnus.com>
 952
 953         * run.c (main): Grab return value from right register.
 954
 955 Wed May 24 14:37:31 1995  Steve Chamberlain  <sac@slash.cygnus.com>
 956
 957         * New.
 958
 959