sim/arm/ChangeLog

   1 2002-09-27  Andrew Cagney  <ac131313@redhat.com>
   2
   3         * wrapper.c (sim_open): Add support for -m<mem-size>.
   4         (mem_size): Reduce to 2MB.
   5         Fix PR gdb/433.
   6
   7 2002-08-15  Nick Clifton  <nickc@redhat.com>
   8
   9         * armos.c (ARMul_OSHandleSWI): Catch and ignore SWIs of -1, they
  10         can be caused by an interrupted system call being resumed by GDB.
  11
  12 2002-07-05  Nick Clifton  <nickc@cambridge.redhat.com>
  13
  14         * armemu.c (ARMul_Emulate32): Add more tests for valid MIA, MIAPH
  15         and MIAxy instructions.
  16
  17 2002-06-21  Nick Clifton  <nickc@cambridge.redhat.com>
  18
  19         * armos.h (ADP_Stopped_RunTimeError): Set correct value.
  20
  21 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
  22
  23         * configure: Regenerated to track ../common/aclocal.m4 changes.
  24
  25 2002-06-12  Andrew Cagney  <ac131313@redhat.com>
  26
  27         * Makefile.in: Update copyright.
  28         (wrapper.o): Specify dependencies.
  29         * wrapper.c: Include "gdb/sim-arm.h".
  30         (sim_store_register, sim_fetch_register): Rewrite using `enum
  31         arm_sim_regs' and a switch.
  32
  33 2002-06-09  Andrew Cagney  <cagney@redhat.com>
  34
  35         * wrapper.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
  36         * armos.c: Include "gdb/callback.h".
  37
  38 2002-05-29  Nick Clifton  <nickc@cambridge.redhat.com>
  39
  40         * armcopro.c (XScale_check_memacc): Set the FSR and FAR registers
  41         if a Data Abort is detected.
  42
  43 2002-05-27  Nick Clifton  <nickc@cambridge.redhat.com>
  44
  45         * armvirt.c (GetWord): Only perform access checks if 'check'
  46         is set.
  47         (PutWord): Likewise.
  48         * wrapper.c (sim_create_inferior): Report unknown machine
  49         numbers.
  50         * thumbemu.c (ARMul_ThumbDecode, Case 31): Do not set LR to pc +
  51         2, it has already been advanced.
  52
  53 2002-05-23  Nick Clifton  <nickc@cambridge.redhat.com>
  54
  55         * thumbemu.c (ARMul_ThumbDecode): When decoding a BLX(1)
  56         instruction do not add in the second bit of the base address -
  57         this has already been accounted for.
  58
  59 2002-05-21  Nick Clifton  <nickc@cambridge.redhat.com>
  60
  61         * armcopro.c (check_cp13_access): Allow access to register 1 when
  62         CRm is 1.
  63         (write_cp13_reg): Allow bit 0 of reg 1 of CRm 1 to be written to.
  64
  65 2002-05-20  Nick Clifton  <nickc@cambridge.redhat.com>
  66
  67         * Makefile.in (SWI_TARGET_SWITCHES): Define.
  68         * armos.c (swi_mask): Define.  Initialise to supporting all
  69         SWI emulations.
  70         (ARMul_OSInit): For XScale targets, only support the ANGEL
  71         SWI interface.  (This is at the request if Intel).
  72         (ARMul_OSHandleSWI): Examine swi_mask to see if a particular
  73         SWI call should be emulated.
  74         Do not fall through from AngelSWI_Reason_WriteC.
  75         Propagate exit code from RedBoot Exit SWI.
  76         * rdi-dgb.h (swi_mask): Prototype.
  77         (SWI_MASK_DEMON, SWI_MASK_ANGEL, SWI_MASK_REDBOOT): Define.
  78         * wrapper.c: Include run-sim.h.
  79         (sim_target_parse_command_line): New function.  Look for and
  80         handle --swi-support switch.
  81         (sim_target_parse_arg_array): New function.  Process an argv
  82         array for parsing by sim_target_parse_command_line.
  83         (sim_target_display_usage): New function.  Describe syntax of
  84         --swi-suppoort switch.
  85         (sim_open): Add call to sim_target_parse_arg_array).
  86
  87 2002-05-17  Nick Clifton  <nickc@cambridge.redhat.com>
  88
  89         * Makefile.in (SWI_TARGET_SWITCHES): Define.
  90         * armos.c (swi_mask): Define.  Initialise to supporting all
  91         SWI emulations.
  92         (ARMul_OSInit): For XScale targets, only support the ANGEL
  93         SWI interface.  (This is at the request if Intel).
  94         (ARMul_OSHandleSWI): Examine swi_mask to see if a particular
  95         SWI call should be emulated.
  96         Do not fall through from AngelSWI_Reason_WriteC.
  97         Propagate exit code from RedBoot Exit SWI.
  98         * rdi-dgb.h (swi_mask): Prototype.
  99         (SWI_MASK_DEMON, SWI_MASK_ANGEL, SWI_MASK_REDBOOT): Define.
 100         * wrapper.c (sim_target_parse_command_line): New function.
 101         Look for and handle --swi-support switch.
 102         (sim_target_parse_arg_array): New function.  Process an argv
 103         array for parsing by sim_target_parse_command_line.
 104         (sim_target_display_usage): New function.  Describe syntax of
 105         --swi-suppoort switch.
 106         (sim_open): Add call to sim_target_parse_arg_array).
 107
 108 2002-05-09  Nick Clifton  <nickc@cambridge.redhat.com>
 109
 110         * armos.c (ARMul_OSHandleSWI): Support the RedBoot SWI in ARM
 111         mode and some of its system calls.
 112
 113 2002-03-17  Anthony Green  <green@redhat.com>
 114
 115         * wrapper.c (mem_size): Increase the default target memory to 8MB.
 116
 117 2002-02-21  Keith Seitz  <keiths@redhat.com>
 118
 119         * armos.c (SWIWrite0): Use generic host_callback mechanism
 120         for supported OS functions "open", "close", "write", etc.
 121         (SWIopen): Likewise.
 122         (SWIread): Likewise.
 123         (SWIwrite): Likewise.
 124         (SWIflen): Likewise.
 125         (ARMul_OSHandleSWI): Likewise.
 126
 127 2002-02-05  Nick Clifton  <nickc@cambridge.redhat.com>
 128
 129         * wrapper.c (sim_create_inferior): Modify previous patch so that
 130         it is only triggered for COFF format executables.
 131
 132 2002-02-04  Nick Clifton  <nickc@cambridge.redhat.com>
 133
 134         * wrapper.c (sin_create_inferior): If a v5 architecture is
 135         detected, assume it might be an XScale binary, since there is no
 136         way to distinguish between the two in the COFF file format.
 137
 138 2002-01-10  Nick Clifton  <nickc@cambridge.redhat.com>
 139
 140         * arminit.c (ARMul_Abort): Fix parameters passed to CPRead[13].
 141         * armemu.c (ARMul_Emulate32): Fix parameters passed to CPRead[13]
 142         and CPRead[14].
 143         Fix formatting.  Improve layout.
 144         * armemu.h: Fix formatting.  Improve layout.
 145
 146 2002-01-09  Nick Clifton  <nickc@cambridge.redhat.com>
 147
 148         * wrapper.c (sim_fetch_register): If fetching more than 4 bytes
 149         return zeroes in the other words.
 150         General formatting tidy ups.
 151
 152 2001-11-16  Ben Harris  <bjh21@netbsd.org>
 153
 154         * Makefile.in (armemu32.o): Replace $< with autoconf recommended
 155         $(srcdir)/....
 156         (armemu26.o): Ditto.
 157
 158 2001-10-18  Nick Clifton  <nickc@cambridge.redhat.com>
 159
 160         * armemu.h (CP_ACCESS_ALLOWED): New macro.
 161         Fix formatting.
 162         * armcopro.c (read_cp14_reg): Make static.
 163         (write_cp14_reg): Make static.
 164         (check_cp13_access): Use CP_ACCESS_ALLOWED macro.
 165         Fix formatting.
 166         * armsupp.c (ARMul_LDC): Check CP_ACCESS_ALLOWED.
 167         (ARMul_STC): Check CP_ACCESS_ALLOWED.
 168         (ARMul_MCR): Check CP_ACCESS_ALLOWED.
 169         (ARMul_MRC): Check CP_ACCESS_ALLOWED.
 170         (ARMul_CDP): Check CP_ACCESS_ALLOWED.
 171         Fix formatting.
 172         * armemu.c (MCRR): Check CP_ACCESS_ALLOWED.  Test Rd and Rn not
 173         equal to 15.
 174         (MRRC): Check CP_ACCESS_ALLOWED.  Test Rd and Rn not equal to 15.
 175         Fix formatting.
 176
 177 2001-05-11  Nick Clifton  <nickc@cambridge.redhat.com>
 178
 179         * armemu.c (ARMul_Emulate32): Fix handling of XScale LDRD and STRD
 180         instructions with post indexed addressing modes.
 181
 182 2001-05-08  Jens-Christian Lache  <lache@tu-harburg.de>
 183
 184         * armsupp.c (ARMul_FixCPSR): Check Mode not Bank in order to
 185         determine rocesor mode.
 186
 187 2001-04-18  matthew green  <mrg@redhat.com>
 188
 189         * armcopro.c (write_cp15_reg): Set CHANGEMODE if endianness changes.
 190         (read_cp15_reg): Make non-static.
 191         (XScale_cp15_LDC): Update for write_cp15_reg() change.
 192         (XScale_cp15_MCR): Likewise.
 193         (XScale_cp15_write_reg): Likewise.
 194         (XScale_check_memacc): New function. Check for breakpoints being
 195         activated by memory accesses.  Does not support the Branch Target
 196         Buffer.
 197         (XScale_set_fsr_far): New function. Set FSR and FAR for XScale.
 198         (XScale_debug_moe): New function. Set the debug Method Of Entry,
 199         if configured.
 200         (write_cp14_reg): Reset count counter if requested.
 201         * armdefs.h (struct ARMul_State): New members `LastTime' and
 202         `CP14R0_CCD' used for the timer/counters.
 203         (ARMul_CP13_R0_FIQ, ARMul_CP13_R0_IRQ, ARMul_CP13_R8_PMUS,
 204         ARMul_CP14_R0_ENABLE, ARMul_CP14_R0_CLKRST, ARMul_CP14_R0_CCD,
 205         ARMul_CP14_R0_INTEN0, ARMul_CP14_R0_INTEN1, ARMul_CP14_R0_INTEN2,
 206         ARMul_CP14_R0_FLAG0, ARMul_CP14_R0_FLAG1, ARMul_CP14_R0_FLAG2,
 207         ARMul_CP14_R10_MOE_IB, ARMul_CP14_R10_MOE_DB, ARMul_CP14_R10_MOE_BT,
 208         ARMul_CP15_R1_ENDIAN, ARMul_CP15_R1_ALIGN, ARMul_CP15_R5_X,
 209         ARMul_CP15_R5_ST_ALIGN, ARMul_CP15_R5_IMPRE, ARMul_CP15_R5_MMU_EXCPT,
 210         ARMul_CP15_DBCON_M, ARMul_CP15_DBCON_E1, ARMul_CP15_DBCON_E0): New
 211         defines for XScale registers.
 212         (XScale_check_memacc, XScale_set_fsr_far, XScale_debug_moe): Prototype.
 213         (ARMul_Emulate32, ARMul_Emulate26): Clean up function definition.
 214         (ARMul_Emulate32): Handle the clock counter and hardware instruction
 215         breakpoints.  Call XScale_set_fsr_far() for software breakpoints and
 216         software interrupts.
 217         (LoadMult): Call XScale_set_fsr_far() for data aborts.
 218         (LoadSMult): Likewise.
 219         (StoreMult): Likewise.
 220         (StoreSMult): Likewise.
 221         * armemu.h (write_cp15_reg): Update prototype.
 222         * arminit.c (ARMul_NewState): Initialise CP14R0_CCD and LastTime.
 223         (ARMul_Abort): If XScale, check for FIQ and IRQ being enabled in CP13
 224         register 0.
 225         * armvirt.c (GetWord): Call XScale_check_memacc().
 226         (PutWord): Likewise.
 227
 228 2001-03-20  Nick Clifton  <nickc@redhat.com>
 229
 230         * armvirt.c (ARMul_ReLoadInstr): Do not enable alignment checking
 231         when loading unaligned thumb instructions.
 232
 233 2001-03-06  Nick Clifton  <nickc@redhat.com>
 234
 235         * thumbemu.c (ARMul_ThumbDecode): Delete label bo_blx2.
 236         Compute destination address of BLX(1) instruction by
 237         taking bit 1 from PC and not from bit 0 of the offset.
 238
 239 2001-02-27  Nick Clifton  <nickc@redhat.com>
 240
 241         * armvirt.c (GetWord): Add new parameter - check - to enable or
 242         disable the alignment checking.
 243         (PutWord):  Add new parameter - check - to enable or disable the
 244         alignment checking.
 245         (ARMul_ReLoadInstr): Pass extra parameter to GetWord.
 246         (ARMul_ReadWord): Pass extra parameter to GetWord.
 247         (ARMul_WriteWord): Pass extra parameter to PutWord.
 248         (ARMul_StoreHalfWord): Pass extra parameter to PutWord.
 249         (ARMul_WriteByte): Pass extra parameter to GetWord.
 250         (ARMul_SwapWord): Pass extra parameter to PutWord.
 251         (ARMul_SafeReadByte): New Function: Read a byte but do not abort.
 252         (ARMul_SafeWriteByte): New Function: Write a byte but do not abort.
 253
 254         * armdefs.h: Add prototypes for ARMul_SafeReadByte and
 255         ARMul_SafeWriteByte.
 256
 257         * wrapper.c (sim_write): Use ARMul_SafeWriteByte.
 258         (sim_read): Use ARMul_SafeReadByte.
 259
 260         * armos.c (in_SWI_handler): Remove.
 261         (SWIWrite0): Use ARMul_SafeReadByte.
 262         (WriteCommandLineTo): Use ARMul_SafeWriteByte.
 263         (SWIopen): Use ARMul_SafeReadByte.
 264         (SWIread): Use ARMul_SafeWriteByte.
 265         (SWIwrite): Use ARMul_SafeReadByte.
 266         (ARMul_OSHandleSWI): Remove use of is_SWI_handler.
 267         (ARMul_OSException): Remove use of is_SWI_handler.
 268
 269 2001-02-16  Nick Clifton  <nickc@redhat.com>
 270
 271         * armemu.c: Remove Prefetch abort for breakpoints.  Instead set
 272         the state to RESUME.
 273
 274 2001-02-14  Nick Clifton  <nickc@redhat.com>
 275
 276         * armemu.c: Add code to preserve processor mode when a prefetch
 277         abort is signalled after processing a breakpoint.
 278
 279         * wrapper.c (sim_create_inferior): Reset processor into ARM mode
 280         for any machine type except the early ARMs.
 281
 282 2001-02-13  Nick Clifton  <nickc@redhat.com>
 283
 284         * armos.c (in_SWI_handler): New static variable.
 285         (ARMul_OSHandleSWI): Set in_SWI_handler whilst emulating a SWI.
 286         (ARMul_OSException): Ignore exceptions generated whilst emulating
 287         a SWI.
 288
 289 2001-02-12  Nick Clifton  <nickc@redhat.com>
 290
 291         * armemu.h (NEGBRANCH): Fix defintion.
 292
 293 2001-02-01  Nick Clifton  <nickc@redhat.com>
 294
 295         * armemu.c (LoadSMult): Update base address register after
 296         restoring register bank.
 297         (StoreMult): Update base address register after restoring register
 298         bank.
 299
 300 2001-01-31  Nick Clifton  <nickc@redhat.com>
 301
 302         * armvirt.c (PutWord): Detect installation of SWI vector.
 303         (SWI_vector_installed): Define.
 304         * armos.c (ARMul_OsInit): Reset SWI_vector_installed.
 305         * armos.h (SWI_vector_installed): Declare.
 306         * wrapper.c (SWI_vector_installed): Remove definition.
 307         (sim_write): Remove check of SWI vector installation
 308
 309 2000-12-18  Nick Clifton  <nickc@redhat.com>
 310
 311         * armemu.c (ARMul_Emulate26): Fix test for StoreDouble
 312         instruction.
 313
 314 2000-12-10  Nick Clifton  <nickc@redhat.com>
 315
 316         * armos.c (ARMul_OSHandleSWI): Add 0x91 as an FPE SWI.
 317
 318 2000-12-07  Nick Clifton  <nickc@redhat.com>
 319
 320         * armemu.c (ARMul_Emulate26): Detect double word load and
 321         store instructions and call emulation routines.
 322         (Handle_Load_Double): Emulate a double word load instruction.
 323         (Handle_Store_Double): Emulate a double word store
 324         instruction.
 325
 326 2000-12-03  Nick Clifton  <nickc@redhat.com>
 327
 328         * armos.c: Fix formatting.
 329         (ARMul_OSHandleSWI): Suppress support of DEMON SWIs when in xscale
 330         mode.
 331
 332 2000-11-29  Nick Clifton  <nickc@redhat.com>
 333
 334         * armdefs.h (State): Add 'v5e' and 'xscale' fields.
 335         (ARM_v5e_Prop): Define.
 336         (ARM_XScale_Prop): Define.
 337
 338         * wrapper.c (sim_create_inferior): Select processor based on
 339         machine number.
 340         (SWI_vector_installed): New boolean.  Set to true if the SWI
 341         vector address is written to by the executable.
 342
 343         * arminit.c (ARMul_NewState): Switch default to 32 bit mode.
 344         (ARMul_SelectProcessor): Initialise v5e and xscale signals.
 345         (ARMul_Abort): Fix calculation of LR address.
 346
 347         * armos.c (ARMul_OSHandleSWI): If a SWI vector has been installed
 348         and a SWI is not handled by the simulator, pass the SWI off to the
 349         vector, otherwise issue a warning message and continue.
 350
 351         * armsupp.c (ARMul_CPSRAltered): Set S bit aswell.
 352
 353         * thumbemu.c: Add v5 instruction simulation.
 354         * armemu.c: Add v5, XScale and El Segundo instruction simulation.
 355
 356         * armcopro.c: Add XScale co-processor emulation.
 357         * armemu.h: Add exported XScale co-processor functions.
 358
 359 2000-09-15  Nick Clifton  <nickc@redhat.com>
 360
 361         * armdefs.h: Rename StrongARM property to v4_ARM and add v5 ARM
 362         property.  Delete unnecessary processor names.
 363         (ARM_Strong_Prop): Delete.
 364         (STRONGARM): Delete.
 365         (ARM_v4_Prop): Add.
 366         (ARM_v5_Prop): Add
 367         (State): Delete is_StrongARM boolean.  Add is_v4 and is_v5
 368         booleans.
 369
 370         * armemu.h (BUSUSEDINCPCS): Use is_v4 boolean.
 371         (BUSUSEDINCPCN): Use is_v4 boolean.
 372
 373         * arminit.c (ARMul_NewState): Initialise is_v4 and is_v5 fields.
 374         (ARMul_SelectProcessor): Change second parameter from 'processor'
 375         to 'properties'.  Set is_v4 and is_v5 booleans in State.
 376
 377         * armrdi.c: Remove use of ARM processor names.  Replace with ARM
 378         processor properties.
 379
 380         * wrapper.c (sim_create_inferior): Choose properties passed to
 381         ARMul_SelectProcessor based on machine number.
 382
 383 2000-08-14  Nick Clifton  <nickc@redhat.com>
 384
 385         * armemu.c (LHPOSTDOWN): Compute write back value before
 386         performing load in case the offset register is overwritten.
 387         (LHPOSTUP): Ditto.
 388
 389 2000-07-14  Fernando Nasser <fnasser@cygnus.com>
 390
 391         * wrapper.c (sim_create_inferior): Fix typo in the previous patch.
 392
 393 2000-07-14  Fernando Nasser <fnasser@cygnus.com>
 394
 395         * wrapper.c (sim_create_inferior): Reset mode to ARM when creating a
 396         new inferior.
 397
 398 2000-07-04  Alexandre Oliva  <aoliva@redhat.com>
 399
 400         * armvirt.c (ABORTS): Do not define.
 401
 402         * armdefs.h (struct ARMul_State): Add is_StrongARM.
 403         (ARM_Strong_Prop, STRONGARM): Define.
 404         * arminit.c (ARMul_NewState): Reset is_StrongARM.
 405         (ARMul_SelectProcessor): Set is_StrongARM.
 406         * wrapper.c (sim_create_inferior): Use bfd machine type to
 407         determine processor type to emulate.
 408         * armemu.h (BUSUSEDINCPCS, BUSUSEDINCPCN): Don't increment PC
 409         when emulating StrongARM.
 410
 411         * armemu.c (ARMul_Emulate, t_undefined): Proceed to next insn.
 412
 413         * armemu.h (INSN_SIZE): New macro.
 414         (SET_ABORT): Save CPSR in SPSR and set LR.
 415         * armemu.c (ARMul_Emulate, isize): Set to INSN_SIZE.
 416         (WriteR15, WriteSR15): Do not discard bit 1 in Thumb mode.
 417         * arminit.c (ARMul_Abort): Use new SETABORT and INSN_SIZE.
 418
 419         * armemu.c (LoadSMult): Use WriteR15() to discard the least
 420         significant bits of PC.
 421
 422         * armemu.h (WRITEDESTB): New macro.
 423         * armemu.c (ARMul_Emulate26, bl): Use WriteR15Branch() to
 424         modify PC.  Moved the existing logic...
 425         (WriteR15Branch): ... here.  New function.
 426         (WriteR15, WriteSR15): Drop the two least significant bits.
 427         (LoadSMult): Use WriteR15Branch() to modify PC.
 428         (LoadMult): Use WRITEDESTB() instead of WRITEDEST().
 429
 430         * armemu.h (GETSPSR): Call ARMul_GetSPSR().
 431         * armsupp.c (ARMul_CPSRAltered): Zero out bits as they're
 432         extracted from state->Cpsr, but preserve the unused bits.
 433         (ARMul_GetCPSR): Get bits preserved in state->Cpsr.
 434         (ARMul_GetSPSR, ARMul_FixCPSR): Use ARMul_GetCPSR() to
 435         get the full CPSR word.
 436
 437         * armemu.h (PSR_FBITS, PSR_SBITS, PSR_XBITS, PSR_CBITS): New.
 438         (SETPSR_F, SETPSR_S, SETPSR_X, SETPSR_C): New macros.
 439         (SETPSR, SET_INTMODE, SETCC): Removed.
 440         * armsupp.c (ARMul_FixCPSR, ARMul_FixSPSR): Do not test bit
 441         mask.  Use SETPSR_* to modify PSR.
 442         (ARMul_SetCPSR): Load all bits from value.
 443         * armemu.c (ARMul_Emulate, msr): Do not test bit mask.
 444
 445         * armemu.c (ARMul_Emulate): Compute writeback value before
 446         loading, since the offset register may be the destination
 447         register.
 448
 449         * armdefs.h (SYSTEMBANK): Define as USERBANK.
 450         * armsupp.c (ARMul_SwitchMode): Remove SYSTEMBANK cases.
 451
 452 2000-06-22  Alexandre Oliva  <aoliva@cygnus.com>
 453
 454         * armemu.c (Multiply64): Fix computation of flag N.
 455
 456         * armemu.c (MultiplyAdd64): Fix computation of flag N.
 457
 458 2000-06-20  Alexandre Oliva  <aoliva@cygnus.com>
 459
 460         * armemu.h (NEGBRANCH): Do not overwrite the two most significant
 461         bits of the offset.
 462
 463 2000-05-25  Nick Clifton  <nickc@cygnus.com>
 464
 465         * armcopro.c (MMUMCR): Only indicate mode change if a singal has
 466         really changed.
 467         (MMUWrite): Only indicate mode change if a singal has really
 468         changed.
 469
 470         * armdefs.h (SYSTEMMODE): Define.
 471         (BANK_CAN_ACEESS_SPSR): Define.
 472
 473         * armemu.c (ARM_Emulate26): If the mode has changed allow the PC
 474         to advance before stopping the emulation.
 475
 476         * arminit.c (ARMul_Reset): Ensure Mode field of State is set
 477         correctly.
 478
 479         * armos.c (ARMul_OSInit): Create a initial stack pointer for
 480         System mode.
 481
 482         * armsupp.c (ModeToBank): Remove unused first parameter.
 483         Add support for System Mode.
 484         (ARMul_GetSPSR): Use BANK_CAN_ACCESS_SPSR macro.
 485         (ARMul_SetSPSR): Use BANK_CAN_ACCESS_SPSR macro.
 486         (ARMul_FixSPSR): Use BANK_CAN_ACCESS_SPSR macro.
 487         (ARMulSwitchMode): Add support for System Mode.
 488
 489 Wed May 24 14:40:34 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 490
 491         * configure: Regenerated to track ../common/aclocal.m4 changes.
 492
 493 2000-05-23  Nick Clifton  <nickc@cygnus.com>
 494
 495         * wrapper.c (sim_store_register): Special handling for CPSR
 496         register.
 497
 498 2000-03-11  Philip Blundell  <philb@gnu.org>
 499
 500         * armemu.c (LoadSMult, LoadMult): Correct handling of aborts.
 501         Patch from Allan Skillman <Allan.Skillman@arm.com>.
 502
 503 Wed Mar 22 15:24:21 2000  glen mccready  <gkm@pobox.com>
 504
 505         * wrapper.c (sim_open,sim_close): Copy into myname, free myname.
 506
 507 2000-02-08  Nick Clifton  <nickc@cygnus.com>
 508
 509         * wrapper.c: Fix compile time warning messages.
 510         * armcopro.c: Fix compile time warning messages.
 511         * armdefs.h: Fix compile time warning messages.
 512         * armemu.c: Fix compile time warning messages.
 513         * armemu.h: Fix compile time warning messages.
 514         * armos.c: Fix compile time warning messages.
 515         * armsupp.c: Fix compile time warning messages.
 516         * armvirt.c: Fix compile time warning messages.
 517         * bag.c: Fix compile time warning messages.
 518
 519 2000-02-02  Bernd Schmidt  <bernds@cygnus.co.uk>
 520
 521         * *.[ch]: Use indent to make readable.
 522
 523 1999-11-22  Nick Clifton  <nickc@cygnus.com>
 524
 525         * armos.c (SWIread): Generate an error message if a huge read is
 526         performed.
 527         (SWIwrite): Generate an error message if a huge write is
 528         performed.
 529
 530 1999-10-27  Nick Clifton  <nickc@cygnus.com>
 531
 532         * thumbemu.c (ARMul_ThumbDecode): Accept 0xbebe as a thumb
 533         breakpoint.
 534
 535 1999-10-08  Ulrich Drepper  <drepper@cygnus.com>
 536
 537         * armos.c (SWIopen): Always pass third parameter with 0666 since
 538         otherwise uninitialized memory gets access if the O_CREAT bit is
 539         set and so we possibly cannot access the file afterwards.
 540
 541 1999-09-29  Doug Evans  <devans@casey.cygnus.com>
 542
 543         * armos.c (SWIWrite0): Send output to stdout instead of stderr.
 544         (ARMul_OSHandleSWI, case SWI_WriteC,AngelSWI_Reason_WriteC): Ditto.
 545
 546 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 547
 548         * configure: Regenerated to track ../common/aclocal.m4 changes.
 549
 550 1999-05-08  Felix Lee  <flee@cygnus.com>
 551
 552         * configure: Regenerated to track ../common/aclocal.m4 changes.
 553
 554 1999-04-06  Keith Seitz  <keiths@cygnus.com>
 555
 556         * wrapper.c (stop_simulator): New global.
 557         (sim_stop): Set sim state to STOP and set
 558         stop_simulator.
 559         (sim_resume): Reset stop_simulator.
 560         (sim_stop_reason): If stop_simulator is set, tell gdb
 561         that the we took SIGINT.
 562         * armemu.c (ARMul_Emulate26): Don't loop forever. Stop if
 563         stop_simulator is set.
 564
 565 1999-04-02  Keith Seitz  <keiths@cygnus.com>
 566
 567         * armemu.c (ARMul_Emulate26): If NEED_UI_LOOP_HOOK, call ui_loop_hook
 568         whenever the counter expires.
 569         * Makefile.in (SIM_EXTRA_CFLAGS): Include define NEED_UI_LOOP_HOOK.
 570
 571 1999-03-24  Nick Clifton  <nickc@cygnus.com>
 572
 573         * armemu.c (ARMul_Emulate26): Handle new breakpoint value.
 574         * thumbemu.c (ARMul_ThumbDecode): Handle new breakpoint value.
 575
 576 Mon Sep 14 09:00:05 1998  Nick Clifton  <nickc@cygnus.com>
 577
 578         * wrapper.c (sim_open): Set endianness according to BFD or command
 579         line switch.
 580
 581         * tconfig.in: Define SIM_HAVE_BIENDIAN.
 582
 583 Thu Aug 27 11:00:05 1998  Nick Clifton  <nickc@cygnus.com>
 584
 585         * armemu.c (Multiply64): Test for Rm (rather than Rs) not being
 586         the same as either RdHi or RdLo.
 587
 588 Thu Jul  2 10:24:35 1998  Nick Clifton  <nickc@cygnus.com>
 589
 590         * armos.c (ARMul_OSHandleSWI: AngelSWI_Reason_ReportException):
 591         Set Reg[0] based on reason for for the exception.
 592
 593 Thu Jun  4 15:22:03 1998  Jason Molenda  (crash@bugshack.cygnus.com)
 594
 595         * armos.c (SWIwrite0): New function.
 596         (WriteCommandLineTo): New function.
 597         (SWIopen): New function.
 598         (SWIread): New function.
 599         (SWIwrite): New function.
 600         (SWIflen): New function.
 601         (ARMul_OSHandleSWI): Call new functions instead of handling
 602         these here.
 603         (ARMul_OSHandleSWI): Handle Angel SWIs correctly.
 604         (*): Reformat spacing to be a bit more GNUly.
 605         Most code taken from a patch by Anthony Thompson
 606         (athompso@cambridge.arm.com)
 607
 608 Tue Jun  2 15:22:22 1998  Nick Clifton  <nickc@cygnus.com>
 609
 610         * armos.h: Add Angel SWI and its reason codes.
 611         * armos.c (ARMul_OSHandleSWI): Ignore Angel SWIs (for now).
 612
 613 Mon Jun  1 17:14:19 1998  Anthony Thompson (athompso@cambridge.arm.com)
 614
 615         * armos.c (ARMul_OSHandleSWI::SWI_Open): Handle special case
 616         of ":tt" to catch stdin in addition to stdout.
 617         (ARMul_OSHandleSWI::SWI_Seek): Return 0 or 1 to indicate failure
 618         or success of lseek().
 619
 620 Wed May 20 17:36:25 1998  Nick Clifton  <nickc@cygnus.com>
 621
 622         * armos.c (ARMul_OSHandleSWI): Special case code to catch attempts
 623         to open stdout.
 624
 625 Wed Apr 29 15:29:55 1998  Jeff Johnston  <jjohnstn@cygnus.com>
 626
 627         * armos.c (ARMul_OSHandleSWI): Added code for SWI_Clock,
 628         SWI_Flen, and SWI_Time.  Also fixed SWI_Seek code to only
 629         seek from offset 0 and not to use R2 for whence since it is
 630         not passed as part of the SWI call.
 631
 632 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 633
 634         * configure: Regenerated to track ../common/aclocal.m4 changes.
 635
 636 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 637
 638         * configure: Regenerated to track ../common/aclocal.m4 changes.
 639         * config.in: Ditto.
 640
 641 Sun Apr 26 15:20:26 1998  Tom Tromey  <tromey@cygnus.com>
 642
 643         * acconfig.h: New file.
 644         * configure.in: Reverted change of Apr 24; use sinclude again.
 645
 646 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 647
 648         * configure: Regenerated to track ../common/aclocal.m4 changes.
 649         * config.in: Ditto.
 650
 651 Fri Apr 24 11:20:19 1998  Tom Tromey  <tromey@cygnus.com>
 652
 653         * configure.in: Don't call sinclude.
 654
 655 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 656
 657         * configure: Regenerated to track ../common/aclocal.m4 changes.
 658
 659 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 660
 661         * configure: Regenerated to track ../common/aclocal.m4 changes.
 662
 663 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 664
 665         * configure: Regenerated to track ../common/aclocal.m4 changes.
 666
 667 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 668
 669         * configure: Regenerated to track ../common/aclocal.m4 changes.
 670
 671 Tue Mar 10 09:26:38 1998  Nick Clifton  <nickc@cygnus.com>
 672
 673         * armopts.h: Remove definition of LITTLEND - it is not used.
 674
 675 Tue Feb 17 12:35:54 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 676
 677         * wrapper.c (sim_store_register, sim_fetch_register): Pass in
 678         length parameter. Return -1.
 679
 680 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 681
 682         * configure: Regenerated to track ../common/aclocal.m4 changes.
 683
 684 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 685
 686         * configure: Regenerated to track ../common/aclocal.m4 changes.
 687
 688 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 689
 690         * configure: Regenerated to track ../common/aclocal.m4 changes.
 691
 692 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 693
 694         * configure: Regenerated to track ../common/aclocal.m4 changes.
 695         * config.in: Ditto.
 696
 697 Tue Dec  9 11:30:48 1997  Nick Clifton  <nickc@cygnus.com>
 698
 699         * Makefile.in: Updated with changes from branch.
 700         * armdefs.h:   ditto
 701         * armemu.c:    ditto   these changes
 702         * armemu.h:    ditto   add support for
 703         * armos.c:     ditto   the Thumb instruction
 704         * armsupp.c:   ditto   set and the new v4
 705         * armvirt.c:   ditto   architecture.
 706         * wrapper.c:   ditto
 707         * thumbemu.c:  New file from branch.
 708
 709
 710 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 711
 712         * configure: Regenerated to track ../common/aclocal.m4 changes.
 713
 714 Thu Oct 30 13:54:06 1997  Nick Clifton  <nickc@cygnus.com>
 715
 716         * armos.c (ARMul_OSHandleSWI): Add support for GetEnv SWI.  Patch
 717         from Tony Thompson at ARM: athompso@arm.com
 718
 719         * wrapper.c (sim_create_inferior): Add code to create an execution
 720         environment.  Patch from Tony Thompson at ARM: athompso@arm.com
 721
 722 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 723
 724         * wrapper.c (sim_load): Pass lma_p and sim_write args to
 725         sim_load_file.
 726
 727 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 728
 729         * configure: Regenerated to track ../common/aclocal.m4 changes.
 730
 731 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 732
 733         * configure: Regenerated to track ../common/aclocal.m4 changes.
 734
 735 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 736
 737         * configure: Regenerated to track ../common/aclocal.m4 changes.
 738
 739 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 740
 741         * configure: Regenerated to track ../common/aclocal.m4 changes.
 742
 743 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 744
 745         * configure: Regenerated to track ../common/aclocal.m4 changes.
 746
 747 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 748
 749         * configure: Regenerated to track ../common/aclocal.m4 changes.
 750
 751 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 752
 753         * configure: Regenerated to track ../common/aclocal.m4 changes.
 754
 755 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 756
 757         * configure: Regenerated to track ../common/aclocal.m4 changes.
 758         * config.in: Ditto.
 759
 760 Tue Aug 26 10:37:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 761
 762         * wrapper.c (sim_kill): Delete.
 763         (sim_create_inferior): Add ABFD argument.
 764         (sim_load): Move setting of PC from here.
 765         (sim_create_inferior): To here.
 766
 767 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 768
 769         * configure: Regenerated to track ../common/aclocal.m4 changes.
 770         * config.in: Ditto.
 771
 772 Mon Aug 25 15:35:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 773
 774         * wrapper.c (sim_open): Add ABFD argument.
 775
 776 Tue May 20 10:13:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 777
 778         * wrapper.c (sim_open): Add callback argument.
 779         (sim_set_callbacks): Drop SIM_DESC argument.
 780
 781 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 782
 783         * configure: Regenerated to track ../common/aclocal.m4 changes.
 784
 785 Fri Apr 18 13:32:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 786
 787         * wrapper.c (sim_stop): Stub sim_stop function.
 788
 789 Thu Apr 17 18:33:01 1997  Fred Fish  <fnf@cygnus.com>
 790
 791         * arminit.c (ARMul_NewState): Preinitialize the state to
 792         all zero/NULL.
 793
 794 Thu Apr 17 02:39:02 1997  Doug Evans  <dje@canuck.cygnus.com>
 795
 796         * Makefile.in (SIM_OBJS): Add sim-load.o.
 797         * wrapper.c (sim_kind,myname): New static locals.
 798         (sim_open): Set sim_kind, myname.
 799         (sim_load): Call sim_load_file to do work.  Set start address from bfd.
 800         (sim_create_inferior): Return SIM_RC.  Delete start_address arg.
 801
 802 Thu Apr 17 11:48:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 803
 804         * wrapper.c (sim_trace): Update so that it matches prototype.
 805
 806 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 807
 808         * configure: Regenerated to track ../common/aclocal.m4 changes.
 809         * config.in: Ditto.
 810
 811 Mon Apr  7 12:01:17 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 812
 813         * Makefile.in (armemu32.o): Replace $< with autoconf recommended
 814         $(srcdir)/....
 815         (armemu26.o): Ditto.
 816
 817 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 818
 819         * wrapper.c (sim_open): New arg `kind'.
 820
 821         * configure: Regenerated to track ../common/aclocal.m4 changes.
 822
 823 Wed Apr  2 14:50:44 1997  Ian Lance Taylor  <ian@cygnus.com>
 824
 825         * COPYING: Update FSF address.
 826
 827 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 828
 829         * configure: Regenerated to track ../common/aclocal.m4 changes.
 830
 831 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 832
 833         * configure: Regenerated to track ../common/aclocal.m4 changes.
 834
 835 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 836
 837         * configure: Re-generate.
 838
 839 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 840
 841         * configure: Regenerate to track ../common/aclocal.m4 changes.
 842
 843 Thu Mar 13 12:38:56 1997  Doug Evans  <dje@canuck.cygnus.com>
 844
 845         * wrapper.c (sim_open): Has result now.
 846         (sim_*): New SIM_DESC argument.
 847
 848 Tue Feb  4 13:22:21 1997  Doug Evans  <dje@canuck.cygnus.com>
 849
 850         * Makefile.in (@COMMON_MAKEFILE_FRAG@): Use
 851         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 852         * configure.in: sinclude ../common/aclocal.m4.
 853         * configure: Regenerated.
 854
 855 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 856
 857         * configure configure.in Makefile.in:  Update to new configure
 858         scheme which is more compatible with WinGDB builds.
 859         * configure.in:  Improve comment on how to run autoconf.
 860         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 861         * Makefile.in:  Use autoconf substitution to install common
 862         makefile fragment.
 863
 864 Wed Nov 20 01:05:10 1996  Doug Evans  <dje@canuck.cygnus.com>
 865
 866         * run.c: Deleted, use one in ../common now.
 867         * Makefile.in: Delete everything that's been moved to
 868         ../common/Make-common.in.
 869         (SIM_OBJS): Define.
 870         * configure.in: Simplify using macros in ../common/aclocal.m4.
 871         * configure: Regenerated.
 872         * config.in: New file.
 873         * armos.c: #include config.h.
 874         * wrapper.c (mem_size): Value is in bytes now.
 875         (sim_callback): New global.
 876         (arm_sim_set_profile{,_size}): Delete.
 877         (arm_sim_set_mem_size): Rename to sim_size.
 878         (sim_do_command): Call printf_filtered via callback.
 879         (sim_set_callbacks): Record callback.
 880
 881 Thu Oct  3 16:10:27 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
 882
 883         * Makefile.in (mostlyclean): Remove config.log.
 884
 885 Wed Jun 26 12:17:24 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
 886
 887         * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
 888         INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
 889         (docdir): Removed.
 890         * configure.in (AC_PREREQ): autoconf 2.5 or higher.
 891         (AC_PROG_INSTALL): Added.
 892         * configure: Rebuilt.
 893
 894 Wed Feb 21 12:14:31 1996  Ian Lance Taylor  <ian@cygnus.com>
 895
 896         * configure: Regenerate with autoconf 2.7.
 897
 898 Fri Dec 15 16:27:30 1995  Ian Lance Taylor  <ian@cygnus.com>
 899
 900         * run.c (main): Use new bfd_big_endian macro.
 901
 902 Mon Nov 20 17:40:38 1995  Doug Evans  <dje@canuck.cygnus.com>
 903
 904         * run.c: Include "getopt.h".
 905         (verbose): Delete.
 906         (usage): Make static.
 907         (main): Call arm_sim_set_verbosity.
 908         Only load sections marked SEC_LOAD.
 909         * wrapper.c (mem_size, verbosity): New static global.
 910         (arm_sim_set_mem_size): Renamed from sim_size.  Callers updated.
 911         (arm_sim_set_profile{,_size}): Renamed from sim_foo.  Callers updated.
 912
 913 Fri Nov 17 19:35:11 1995  Doug Evans  <dje@canuck.cygnus.com>
 914
 915         * armdefs.h (ARMul_State): New member `verbose'.
 916         * armrdi.c (ARMul_ConsolePrint): Add missing va_end.
 917         * run.c (verbose): Make global.
 918         * wrapper.c (init): Set state->verbose.
 919         (ARMul_ConsolePrint): Don't print anything if !verbose.
 920
 921 Fri Oct 13 15:30:30 1995  Doug Evans  <dje@canuck.cygnus.com>
 922
 923         * armos.c: #include dbg_rdi.h.
 924         (ARMul_OSHandleSWI): Handle SWI_Breakpoint.
 925         * armos.h (SWI_Breakpoint): Define.
 926         * wrapper.c: #include armemu.h, dbg_rdi.h.
 927         (rc): Delete.
 928         (sim_resume): Use state->EndCondition to record stop state.
 929         Call FLUSHPIPE before returning.
 930         (sim_stop_reason): Determine reason from state->EndCondition.
 931
 932 Fri Oct 13 15:04:05 1995  steve chamberlain  <sac@slash.cygnus.com>
 933
 934         * wrapper.c (sim_set_callbacks): New.
 935
 936 Thu Sep 28 19:45:56 1995  Doug Evans  <dje@deneb.cygnus.com>
 937
 938         * armos.c (ARMul_OSHandleSWI): Result of read/write calls is
 939         number of bytes not read/written (or -1).
 940
 941 Wed Sep 20 13:35:54 1995  Ian Lance Taylor  <ian@cygnus.com>
 942
 943         * Makefile.in (maintainer-clean): New synonym for realclean.
 944
 945 Fri Sep  8 14:27:20 1995  Ian Lance Taylor  <ian@cygnus.com>
 946
 947         * configure.in: Remove AC_PROG_INSTALL.
 948         * configure: Rebuild.
 949         * Makefile.in (INSTALL): Revert to using install.sh.
 950         (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
 951         (INSTALL_XFORM, INSTALL_XFORM1): Restore.
 952         (mostlyclean): Make the same as clean, not distclean.
 953         (clean): Remove config.log.
 954         (install): Don't install in $(tooldir).
 955
 956 Thu Sep  7 12:00:17 1995  Doug Evans  <dje@canuck.cygnus.com>
 957
 958         (Try to) Update to new bfd autoconf scheme.
 959         * run.c: Don't include sysdep.h.
 960         * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
 961         (CC, CFLAGS, AR, RANLIB): Likewise.
 962         (HDEFINES, TDEFINES): Define.
 963         (CC_FOR_BUILD): Delete.
 964         (host_makefile_frag): Delete.
 965         (Makefile): Don't depend on frags.
 966         * configure.in (sysdep.h): Don't create symlink.
 967         (host_makefile_frag, frags): Deleted.
 968         (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
 969         * configure: Regenerated.
 970
 971 Thu Aug  3 10:45:37 1995  Fred Fish  <fnf@cygnus.com>
 972
 973         * Update all FSF addresses except those in COPYING* files.
 974
 975 Wed Jul  5 16:15:54 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
 976
 977         * Makefile.in (clean): Remove run, libsim.a.
 978
 979         * Makefile.in, configure.in: converted to autoconf.
 980         * configure: New file, generated with autconf 2.4.
 981
 982         * arm.mt: Removed.
 983
 984 Fri Jun 30 16:49:47 1995  Stan Shebs  <shebs@andros.cygnus.com>
 985
 986         * wrapper.c (sim_do_command): New function.
 987
 988 Tue Jun 13 10:57:32 1995  Steve Chamberlain  <sac@slash.cygnus.com>
 989
 990         * armos.c (ARMul_OSHandleSWI): New version to work with
 991         newlib simply.
 992
 993 Thu Jun  8 14:37:14 1995  Steve Chamberlain  <sac@slash.cygnus.com>
 994
 995         * run.c (main): Grab return value from right register.
 996
 997 Wed May 24 14:37:31 1995  Steve Chamberlain  <sac@slash.cygnus.com>
 998
 999         * New.
1000
1001