Subversion Repositories openrisc_2011-10-31

2007-02-27  Mark Mitchell  

        * armos.c (SWIflen): Do not treate file descriptor zero as

        special.

2007-02-15  Nick Clifton  

        * armemu.c (handle_v6_insn): Fix typo in sign extension test of

        the sext and sxtah instructions.

2007-02-08  Daniel Jacobowitz  

        Reported by timeless@gmail.com:

        * wrapper.c (sim_target_parse_arg_array): Do not return void value.

2006-12-21  Hans-Peter Nilsson  

        * acconfig.h: Remove.

        * config.in: Regenerate.

2006-06-13  Richard Earnshaw  

        * configure: Regenerated.

2006-06-05  Daniel Jacobowitz  

        * configure: Regenerated.

2006-05-31  Daniel Jacobowitz  

        * configure: Regenerated.

2006-03-07  Paul Brook  

        * elfos.c (ARMul_OSHandleSWI): Call correct function for IsTTY.

2006-02-01  Shaun Jackman  

        * armos.c (ARMul_OSHandleSWI): Handle the RedBoot system

        call meminfo. Return ENOSYS for unhandled RedBoot syscalls.

2005-11-23  Mark Mitchell  

        * wrapper.c (gdb/signals.h): Include it.

        (SIGTRAP): Don't define.

        (SIGBUS): Likewise.

        (sim_stop_reason): Use TARGET_SIGNAL_* instead of SIG*.

2005-11-16  Shaun Jackman  

        * armos.c: Include limits.h

        (unlink): Remove this macro. It is unused in this file and

        conflicts with sim_callback->unlink.

        (PATH_MAX): Define as 1024 if not already defined.

        (ReadFileName): New function.

        (SWIopen): Fix a potential buffer overflow.

        (SWIremove): New function.

        (SWIrename): Ditto.

        (ARMul_OSHandleSWI): Handle the RDP calls SWI_IsTTY,

        SWI_Remove, and SWI_Rename, as well as the RDI calls

        AngelSWI_Reason_IsTTY, AngelSWI_Reason_Remove, and

        AngelSWI_Reason_Rename.

2005-09-19  Paul Brook  

        * armdefs.h: Define ARMsword and ARMsdword. Use stdint.h when

        available.

        * armemu.c: Use them.

        * armvirt.c (ARMul_MemoryInit): Use correct type for size.

        * configure.ac: Check for stdint.h.

        * config.in: Regenerate.

        * configure: Regenerate.

2005-05-24  Nick Clifton  

        * thumbemu.c (handle_v6_thumb_insn): New function.

        (ARMul_ThumbDecode): Call handle_v6_thumb_insn() when an undefined

        instruction binary is encountered.

2005-05-12  Nick Clifton  

        * Update the address and phone number of the FSF organization in

        the GPL notices in the following files:

        COPYING, Makefile.in, armcopro.c, armdefs.h, armemu.c,

        armemu.h, armfpe.h, arminit.c, armopts.h, armos.c, armos.h,

        armrdi.c, armsupp.c, armvirt.c, bag.c, bag.h, communicate.c,

        communicate.h, dbg_conf.h, dbg_cp.h, dbg_hif.h, dbg_rdi.h,

        gdbhost.c, gdbhost.h, iwmmxt.c, iwmmxt.h, kid.c, main.c,

        maverick.c, parent.c, thumbemu.c, wrapper.c

2005-04-20  Nick Clifton  

        * armemu.c (handle_v6_insn): New function - emulate a few of the

        v6 instructions - the ones now generated by GCC.

        (ARMulEmulate32): Call handle_v6_insn when a possible v6 insn is

        found.

        * armdefs.h (struct ARMul_State): Add new field: is_v6.

        (ARM_v6_Prop): Define.

        * arminit.c (ARMul_NewState): Initialise the v6 flag.

        (ARMul_SelectProcessor): Determine if the v6 flag should be

        set.

        * wrapper.c (sim_create_inferior): For unknown architectures,

        default to allowing the v6 instructions.

2005-04-18  Nick Clifton  

        * iwmmxt.c (WMAC, WMADD): Move casts from the LHS of an assignment

        operator to the RHS.

        (WSLL, WSRA, WSRL, WUNPCKEH, WUNPACKEL): Use ULL suffix to

        indicate an unsigned long long constant.

2005-03-23  Mark Kettenis  

        * configure: Regenerate.

2005-01-14  Andrew Cagney  

        * configure.ac: Sinclude aclocal.m4 before common.m4.  Add

        explicit call to AC_CONFIG_HEADER.

        * configure: Regenerate.

2005-01-12  Andrew Cagney  

        * configure.ac: Update to use ../common/common.m4.

        * configure: Re-generate.

2005-01-11  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

2005-01-07  Andrew Cagney  

        * configure.ac: Rename configure.in, require autoconf 2.59.

        * configure: Re-generate.

2004-12-08  Hans-Peter Nilsson  

        * configure: Regenerate for ../common/aclocal.m4 update.

2004-06-28  Andrew Cagney  

        * armemu.c: Rename ui_loop_hook to deprecated_ui_loop_hook.

2003-12-29  Mark Mitchell  

        * armos.c (fcntl.h): Do not include it.

        (O_RDONLY): Do not define.

        (O_WRONLY): Likewise.

        (O_RDWR): Likewise.

        (targ-vals.h): Include it.

        (translate_open_mode): Use TARGET_O_* instead of O_*.

        (SWIopen): Likewise.

        * Makefile.in (armos.o): Depend on targ-vals.h.

2003-04-13  Nick Clifton  

        * armvirt.c (GetWord): Only call XScale_check_memacc if in XScale

        mode.

        (PutWord): Likewise.

2003-03-30  Nick Clifton  

        * configure.in (CON_FLAGS): Remove.

        (COPRO): Unconditionally include iwmmxt.o.

        * configure: Regenerate.

        * Makefile.in (CON_FLAGS): Remove.

        * armcopro.c: Remove use of __IWMMXT__ flag.

        * wrapper.c: Likewise.

        * armemu.c: Likewise.

        Add explanatory comment for suppressed code.

2003-03-27  Nick Clifton  

        * armos.c (ARMul_OsHandleSWI): Catch SWIs for unhandled vectors.

2003-03-27  Nick Clifton  

        * configure.in: (CON_FLAGS): Define and intialise.

        (COPRO): Add iwmmxt.o if configuring for XScale.

        * configure: Regenerate.

        * Makefile.in (iwmmxt.o): Add rule to build.

        (COM_FLAGS): Define.

        (ALL_FLAGS): Add CON_FLAGS.

        * armcopro.c (ARMul_CoProInit): Initialise iWMMXt coprocessors.

        * armdefs.h (struct ARMul_State): Add 'is_iWMMXt' field.

        (ARM_iWMMXt_Prop): Define.

        * armemu.c (ARMul_Emulate16): Intercept iWMMXt instructions and

        pass to coprocessor.

        * arminit.c (ARMul_NewState): Initialise 'is_iWMMXt'.

        (ARMul_Abort): Catch branches through uninitialised vectors.

        * armos.c (softevtorcode): Update comment.

        (ARMul_OsInit): Use ARMUndefinedInstrV.

        * wrapper.c (sim_create_inferior): Handle iWMMXt processor type.

        (sim_store_register): Handle iWMMXt registers.

        (sim_fetch_register): Handle iWMMXt registers.

        * iwmmxt.h: New file. Exported iWMMXt coprocessor emulator

        functions.

        * iwmmxt.c: New file: iWMMXt emulator.

2003-03-20  Nick Clifton  

        * Contribute support for Cirrus Maverick ARM co-processor,

        written by Aldy Hernandez   and

        Andrew Cagney  :

        * maverick.c: New file: Support for Maverick floating point

        co-processor.

        * Makefile.in: Add maverick.o target.

        * configure.in (COPRO): Add maverick.o.

        * configure: Regenerate.

        * armcopro.c (ARMul_CoProInit): Only initialise co-processors

        available on target processor.  Add code to initialse Maverick

        co-processor support code.

        * armdefs.h (ARMul_state): Add is_ep9312 field.

        (ARM_ep9312_Prop): Define.

        * armemu.h: Add prototypes for Maverick co-processor

        functions.

        * arminit.c (ARMul_SelectProcessor): Initialise the

        co-processor support once the chip has been selected.

        * wrapper.c: Add support for Maverick co-processor.

        (init): Do not call ARMul_CoProInit.  Delays this until the

        chip has been selected.

2003-03-02  Nick Clifton  

        * armos.c (SWIWrite0): Catch big-endian bug when printing

        characters.

2003-02-27  Andrew Cagney  

        * wrapper.c (sim_create_inferior, sim_open): Rename _bfd to bfd.

2003-01-10  Ben Elliston  

        * README.Cygnus: Rename from this ..

        * README: .. to this.

2002-09-27  Andrew Cagney  

        * wrapper.c (sim_open): Add support for -m.

        (mem_size): Reduce to 2MB.

        Fix PR gdb/433.

2002-08-15  Nick Clifton  

        * armos.c (ARMul_OSHandleSWI): Catch and ignore SWIs of -1, they

        can be caused by an interrupted system call being resumed by GDB.

2002-07-05  Nick Clifton  

        * armemu.c (ARMul_Emulate32): Add more tests for valid MIA, MIAPH

        and MIAxy instructions.

2002-06-21  Nick Clifton  

        * armos.h (ADP_Stopped_RunTimeError): Set correct value.

2002-06-16  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

2002-06-12  Andrew Cagney  

        * Makefile.in: Update copyright.

        (wrapper.o): Specify dependencies.

        * wrapper.c: Include "gdb/sim-arm.h".

        (sim_store_register, sim_fetch_register): Rewrite using `enum

        arm_sim_regs' and a switch.

2002-06-09  Andrew Cagney  

        * wrapper.c: Include "gdb/callback.h" and "gdb/remote-sim.h".

        * armos.c: Include "gdb/callback.h".

2002-05-29  Nick Clifton  

        * armcopro.c (XScale_check_memacc): Set the FSR and FAR registers

        if a Data Abort is detected.

2002-05-27  Nick Clifton  

        * armvirt.c (GetWord): Only perform access checks if 'check'

        is set.

        (PutWord): Likewise.

        * wrapper.c (sim_create_inferior): Report unknown machine

        numbers.

        * thumbemu.c (ARMul_ThumbDecode, Case 31): Do not set LR to pc +

        2, it has already been advanced.

2002-05-23  Nick Clifton  

        * thumbemu.c (ARMul_ThumbDecode): When decoding a BLX(1)

        instruction do not add in the second bit of the base address -

        this has already been accounted for.

2002-05-21  Nick Clifton  

        * armcopro.c (check_cp13_access): Allow access to register 1 when

        CRm is 1.

        (write_cp13_reg): Allow bit 0 of reg 1 of CRm 1 to be written to.

2002-05-17  Nick Clifton  

        * Makefile.in (SIM_TARGET_SWITCHES): Define.

        * armos.c (swi_mask): Define.  Initialise to supporting all

        SWI emulations.

        (ARMul_OSInit): For XScale targets, only support the ANGEL

        SWI interface.  (This is at the request if Intel).

        (ARMul_OSHandleSWI): Examine swi_mask to see if a particular

        SWI call should be emulated.

        Do not fall through from AngelSWI_Reason_WriteC.

        Propagate exit code from RedBoot Exit SWI.

        * rdi-dgb.h (swi_mask): Prototype.

        (SWI_MASK_DEMON, SWI_MASK_ANGEL, SWI_MASK_REDBOOT): Define.

        * wrapper.c (sim_target_parse_command_line): New function.

        Look for and handle --swi-support switch.

        (sim_target_parse_arg_array): New function.  Process an argv

        array for parsing by sim_target_parse_command_line.

        (sim_target_display_usage): New function.  Describe syntax of

        --swi-suppoort switch.

        (sim_open): Add call to sim_target_parse_arg_array).

2002-05-09  Nick Clifton  

        * armos.c (ARMul_OSHandleSWI): Support the RedBoot SWI in ARM

        mode and some of its system calls.

2002-03-17  Anthony Green  

        * wrapper.c (mem_size): Increase the default target memory to 8MB.

2002-02-21  Keith Seitz  

        * armos.c (SWIWrite0): Use generic host_callback mechanism

        for supported OS functions "open", "close", "write", etc.

        (SWIopen): Likewise.

        (SWIread): Likewise.

        (SWIwrite): Likewise.

        (SWIflen): Likewise.

        (ARMul_OSHandleSWI): Likewise.

2002-02-05  Nick Clifton  

        * wrapper.c (sim_create_inferior): Modify previous patch so that

        it is only triggered for COFF format executables.

2002-02-04  Nick Clifton  

        * wrapper.c (sin_create_inferior): If a v5 architecture is

        detected, assume it might be an XScale binary, since there is no

        way to distinguish between the two in the COFF file format.

2002-01-10  Nick Clifton  

        * arminit.c (ARMul_Abort): Fix parameters passed to CPRead[13].

        * armemu.c (ARMul_Emulate32): Fix parameters passed to CPRead[13]

        and CPRead[14].

        Fix formatting.  Improve layout.

        * armemu.h: Fix formatting.  Improve layout.

2002-01-09  Nick Clifton  

        * wrapper.c (sim_fetch_register): If fetching more than 4 bytes

        return zeroes in the other words.

        General formatting tidy ups.

2001-11-16  Ben Harris  

        * Makefile.in (armemu32.o): Replace $< with autoconf recommended

        $(srcdir)/....

        (armemu26.o): Ditto.

2001-10-18  Nick Clifton  

        * armemu.h (CP_ACCESS_ALLOWED): New macro.

        Fix formatting.

        * armcopro.c (read_cp14_reg): Make static.

        (write_cp14_reg): Make static.

        (check_cp13_access): Use CP_ACCESS_ALLOWED macro.

        Fix formatting.

        * armsupp.c (ARMul_LDC): Check CP_ACCESS_ALLOWED.

        (ARMul_STC): Check CP_ACCESS_ALLOWED.

        (ARMul_MCR): Check CP_ACCESS_ALLOWED.

        (ARMul_MRC): Check CP_ACCESS_ALLOWED.

        (ARMul_CDP): Check CP_ACCESS_ALLOWED.

        Fix formatting.

        * armemu.c (MCRR): Check CP_ACCESS_ALLOWED.  Test Rd and Rn not

        equal to 15.

        (MRRC): Check CP_ACCESS_ALLOWED.  Test Rd and Rn not equal to 15.

        Fix formatting.

2001-05-11  Nick Clifton  

        * armemu.c (ARMul_Emulate32): Fix handling of XScale LDRD and STRD

        instructions with post indexed addressing modes.

2001-05-08  Jens-Christian Lache  

        * armsupp.c (ARMul_FixCPSR): Check Mode not Bank in order to

        determine rocesor mode.

2001-04-18  matthew green  

        * armcopro.c (write_cp15_reg): Set CHANGEMODE if endianness changes.

        (read_cp15_reg): Make non-static.

        (XScale_cp15_LDC): Update for write_cp15_reg() change.

        (XScale_cp15_MCR): Likewise.

        (XScale_cp15_write_reg): Likewise.

        (XScale_check_memacc): New function. Check for breakpoints being

        activated by memory accesses.  Does not support the Branch Target

        Buffer.

        (XScale_set_fsr_far): New function. Set FSR and FAR for XScale.

        (XScale_debug_moe): New function. Set the debug Method Of Entry,

        if configured.

        (write_cp14_reg): Reset count counter if requested.

        * armdefs.h (struct ARMul_State): New members `LastTime' and

        `CP14R0_CCD' used for the timer/counters.

        (ARMul_CP13_R0_FIQ, ARMul_CP13_R0_IRQ, ARMul_CP13_R8_PMUS,

        ARMul_CP14_R0_ENABLE, ARMul_CP14_R0_CLKRST, ARMul_CP14_R0_CCD,

        ARMul_CP14_R0_INTEN0, ARMul_CP14_R0_INTEN1, ARMul_CP14_R0_INTEN2,

        ARMul_CP14_R0_FLAG0, ARMul_CP14_R0_FLAG1, ARMul_CP14_R0_FLAG2,

        ARMul_CP14_R10_MOE_IB, ARMul_CP14_R10_MOE_DB, ARMul_CP14_R10_MOE_BT,

        ARMul_CP15_R1_ENDIAN, ARMul_CP15_R1_ALIGN, ARMul_CP15_R5_X,

        ARMul_CP15_R5_ST_ALIGN, ARMul_CP15_R5_IMPRE, ARMul_CP15_R5_MMU_EXCPT,

        ARMul_CP15_DBCON_M, ARMul_CP15_DBCON_E1, ARMul_CP15_DBCON_E0): New

        defines for XScale registers.

        (XScale_check_memacc, XScale_set_fsr_far, XScale_debug_moe): Prototype.

        (ARMul_Emulate32, ARMul_Emulate26): Clean up function definition.

        (ARMul_Emulate32): Handle the clock counter and hardware instruction

        breakpoints.  Call XScale_set_fsr_far() for software breakpoints and

        software interrupts.

        (LoadMult): Call XScale_set_fsr_far() for data aborts.

        (LoadSMult): Likewise.

        (StoreMult): Likewise.

        (StoreSMult): Likewise.

        * armemu.h (write_cp15_reg): Update prototype.

        * arminit.c (ARMul_NewState): Initialise CP14R0_CCD and LastTime.

        (ARMul_Abort): If XScale, check for FIQ and IRQ being enabled in CP13

        register 0.

        * armvirt.c (GetWord): Call XScale_check_memacc().

        (PutWord): Likewise.

2001-03-20  Nick Clifton  

        * armvirt.c (ARMul_ReLoadInstr): Do not enable alignment checking

        when loading unaligned thumb instructions.

2001-03-06  Nick Clifton  

        * thumbemu.c (ARMul_ThumbDecode): Delete label bo_blx2.

        Compute destination address of BLX(1) instruction by

        taking bit 1 from PC and not from bit 0 of the offset.

2001-02-27  Nick Clifton  

        * armvirt.c (GetWord): Add new parameter - check - to enable or

        disable the alignment checking.

        (PutWord):  Add new parameter - check - to enable or disable the

        alignment checking.

        (ARMul_ReLoadInstr): Pass extra parameter to GetWord.

        (ARMul_ReadWord): Pass extra parameter to GetWord.

        (ARMul_WriteWord): Pass extra parameter to PutWord.

        (ARMul_StoreHalfWord): Pass extra parameter to PutWord.

        (ARMul_WriteByte): Pass extra parameter to GetWord.

        (ARMul_SwapWord): Pass extra parameter to PutWord.

        (ARMul_SafeReadByte): New Function: Read a byte but do not abort.

        (ARMul_SafeWriteByte): New Function: Write a byte but do not abort.

        * armdefs.h: Add prototypes for ARMul_SafeReadByte and

        ARMul_SafeWriteByte.

        * wrapper.c (sim_write): Use ARMul_SafeWriteByte.

        (sim_read): Use ARMul_SafeReadByte.

        * armos.c (in_SWI_handler): Remove.

        (SWIWrite0): Use ARMul_SafeReadByte.

        (WriteCommandLineTo): Use ARMul_SafeWriteByte.

        (SWIopen): Use ARMul_SafeReadByte.

        (SWIread): Use ARMul_SafeWriteByte.

        (SWIwrite): Use ARMul_SafeReadByte.

        (ARMul_OSHandleSWI): Remove use of is_SWI_handler.

        (ARMul_OSException): Remove use of is_SWI_handler.

2001-02-16  Nick Clifton  

        * armemu.c: Remove Prefetch abort for breakpoints.  Instead set

        the state to RESUME.

2001-02-14  Nick Clifton  

        * armemu.c: Add code to preserve processor mode when a prefetch

        abort is signalled after processing a breakpoint.

        * wrapper.c (sim_create_inferior): Reset processor into ARM mode

        for any machine type except the early ARMs.

2001-02-13  Nick Clifton  

        * armos.c (in_SWI_handler): New static variable.

        (ARMul_OSHandleSWI): Set in_SWI_handler whilst emulating a SWI.

        (ARMul_OSException): Ignore exceptions generated whilst emulating

        a SWI.

2001-02-12  Nick Clifton  

        * armemu.h (NEGBRANCH): Fix defintion.

2001-02-01  Nick Clifton  

        * armemu.c (LoadSMult): Update base address register after

        restoring register bank.

        (StoreMult): Update base address register after restoring register

        bank.

2001-01-31  Nick Clifton  

        * armvirt.c (PutWord): Detect installation of SWI vector.

        (SWI_vector_installed): Define.

        * armos.c (ARMul_OsInit): Reset SWI_vector_installed.

        * armos.h (SWI_vector_installed): Declare.

        * wrapper.c (SWI_vector_installed): Remove definition.

        (sim_write): Remove check of SWI vector installation

2000-12-18  Nick Clifton  

        * armemu.c (ARMul_Emulate26): Fix test for StoreDouble

        instruction.

2000-12-10  Nick Clifton  

        * armos.c (ARMul_OSHandleSWI): Add 0x91 as an FPE SWI.

2000-12-07  Nick Clifton  

        * armemu.c (ARMul_Emulate26): Detect double word load and

        store instructions and call emulation routines.

        (Handle_Load_Double): Emulate a double word load instruction.

        (Handle_Store_Double): Emulate a double word store

        instruction.

2000-12-03  Nick Clifton  

        * armos.c: Fix formatting.

        (ARMul_OSHandleSWI): Suppress support of DEMON SWIs when in xscale

        mode.

2000-11-29  Nick Clifton  

        * armdefs.h (State): Add 'v5e' and 'xscale' fields.

        (ARM_v5e_Prop): Define.

        (ARM_XScale_Prop): Define.

        * wrapper.c (sim_create_inferior): Select processor based on

        machine number.

        (SWI_vector_installed): New boolean.  Set to true if the SWI

        vector address is written to by the executable.

        * arminit.c (ARMul_NewState): Switch default to 32 bit mode.

        (ARMul_SelectProcessor): Initialise v5e and xscale signals.

        (ARMul_Abort): Fix calculation of LR address.

        * armos.c (ARMul_OSHandleSWI): If a SWI vector has been installed

        and a SWI is not handled by the simulator, pass the SWI off to the

        vector, otherwise issue a warning message and continue.

        * armsupp.c (ARMul_CPSRAltered): Set S bit aswell.

        * thumbemu.c: Add v5 instruction simulation.

        * armemu.c: Add v5, XScale and El Segundo instruction simulation.

        * armcopro.c: Add XScale co-processor emulation.

        * armemu.h: Add exported XScale co-processor functions.

2000-09-15  Nick Clifton  

        * armdefs.h: Rename StrongARM property to v4_ARM and add v5 ARM

        property.  Delete unnecessary processor names.

        (ARM_Strong_Prop): Delete.

        (STRONGARM): Delete.

        (ARM_v4_Prop): Add.

        (ARM_v5_Prop): Add

        (State): Delete is_StrongARM boolean.  Add is_v4 and is_v5

        booleans.

        * armemu.h (BUSUSEDINCPCS): Use is_v4 boolean.

        (BUSUSEDINCPCN): Use is_v4 boolean.

        * arminit.c (ARMul_NewState): Initialise is_v4 and is_v5 fields.

        (ARMul_SelectProcessor): Change second parameter from 'processor'

        to 'properties'.  Set is_v4 and is_v5 booleans in State.

        * armrdi.c: Remove use of ARM processor names.  Replace with ARM

        processor properties.

        * wrapper.c (sim_create_inferior): Choose properties passed to

        ARMul_SelectProcessor based on machine number.

2000-08-14  Nick Clifton  

        * armemu.c (LHPOSTDOWN): Compute write back value before

        performing load in case the offset register is overwritten.

        (LHPOSTUP): Ditto.

2000-07-14  Fernando Nasser 

        * wrapper.c (sim_create_inferior): Fix typo in the previous patch.

2000-07-14  Fernando Nasser 

        * wrapper.c (sim_create_inferior): Reset mode to ARM when creating a

        new inferior.

2000-07-04  Alexandre Oliva  

        * armvirt.c (ABORTS): Do not define.

        * armdefs.h (struct ARMul_State): Add is_StrongARM.

        (ARM_Strong_Prop, STRONGARM): Define.

        * arminit.c (ARMul_NewState): Reset is_StrongARM.

        (ARMul_SelectProcessor): Set is_StrongARM.

        * wrapper.c (sim_create_inferior): Use bfd machine type to

        determine processor type to emulate.

        * armemu.h (BUSUSEDINCPCS, BUSUSEDINCPCN): Don't increment PC

        when emulating StrongARM.

        * armemu.c (ARMul_Emulate, t_undefined): Proceed to next insn.

        * armemu.h (INSN_SIZE): New macro.

        (SET_ABORT): Save CPSR in SPSR and set LR.

        * armemu.c (ARMul_Emulate, isize): Set to INSN_SIZE.

        (WriteR15, WriteSR15): Do not discard bit 1 in Thumb mode.

        * arminit.c (ARMul_Abort): Use new SETABORT and INSN_SIZE.

        * armemu.c (LoadSMult): Use WriteR15() to discard the least

        significant bits of PC.

        * armemu.h (WRITEDESTB): New macro.

        * armemu.c (ARMul_Emulate26, bl): Use WriteR15Branch() to

        modify PC.  Moved the existing logic...

        (WriteR15Branch): ... here.  New function.

        (WriteR15, WriteSR15): Drop the two least significant bits.

        (LoadSMult): Use WriteR15Branch() to modify PC.

        (LoadMult): Use WRITEDESTB() instead of WRITEDEST().

        * armemu.h (GETSPSR): Call ARMul_GetSPSR().

        * armsupp.c (ARMul_CPSRAltered): Zero out bits as they're

        extracted from state->Cpsr, but preserve the unused bits.

        (ARMul_GetCPSR): Get bits preserved in state->Cpsr.

        (ARMul_GetSPSR, ARMul_FixCPSR): Use ARMul_GetCPSR() to

        get the full CPSR word.

        * armemu.h (PSR_FBITS, PSR_SBITS, PSR_XBITS, PSR_CBITS): New.

        (SETPSR_F, SETPSR_S, SETPSR_X, SETPSR_C): New macros.

        (SETPSR, SET_INTMODE, SETCC): Removed.

        * armsupp.c (ARMul_FixCPSR, ARMul_FixSPSR): Do not test bit

        mask.  Use SETPSR_* to modify PSR.

        (ARMul_SetCPSR): Load all bits from value.

        * armemu.c (ARMul_Emulate, msr): Do not test bit mask.

        * armemu.c (ARMul_Emulate): Compute writeback value before

        loading, since the offset register may be the destination

        register.

        * armdefs.h (SYSTEMBANK): Define as USERBANK.

        * armsupp.c (ARMul_SwitchMode): Remove SYSTEMBANK cases.

2000-06-22  Alexandre Oliva  

        * armemu.c (Multiply64): Fix computation of flag N.

        * armemu.c (MultiplyAdd64): Fix computation of flag N.

2000-06-20  Alexandre Oliva  

        * armemu.h (NEGBRANCH): Do not overwrite the two most significant

        bits of the offset.

2000-05-25  Nick Clifton  

        * armcopro.c (MMUMCR): Only indicate mode change if a singal has

        really changed.

        (MMUWrite): Only indicate mode change if a singal has really

        changed.

        * armdefs.h (SYSTEMMODE): Define.

        (BANK_CAN_ACEESS_SPSR): Define.

        * armemu.c (ARM_Emulate26): If the mode has changed allow the PC

        to advance before stopping the emulation.

        * arminit.c (ARMul_Reset): Ensure Mode field of State is set

        correctly.

        * armos.c (ARMul_OSInit): Create a initial stack pointer for

        System mode.

        * armsupp.c (ModeToBank): Remove unused first parameter.

        Add support for System Mode.

        (ARMul_GetSPSR): Use BANK_CAN_ACCESS_SPSR macro.

        (ARMul_SetSPSR): Use BANK_CAN_ACCESS_SPSR macro.

        (ARMul_FixSPSR): Use BANK_CAN_ACCESS_SPSR macro.

        (ARMulSwitchMode): Add support for System Mode.

Wed May 24 14:40:34 2000  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

2000-05-23  Nick Clifton  

        * wrapper.c (sim_store_register): Special handling for CPSR

        register.

2000-03-11  Philip Blundell  

        * armemu.c (LoadSMult, LoadMult): Correct handling of aborts.

        Patch from Allan Skillman .

Wed Mar 22 15:24:21 2000  glen mccready  

        * wrapper.c (sim_open,sim_close): Copy into myname, free myname.

2000-02-08  Nick Clifton  

        * wrapper.c: Fix compile time warning messages.

        * armcopro.c: Fix compile time warning messages.

        * armdefs.h: Fix compile time warning messages.

        * armemu.c: Fix compile time warning messages.

        * armemu.h: Fix compile time warning messages.

        * armos.c: Fix compile time warning messages.

        * armsupp.c: Fix compile time warning messages.

        * armvirt.c: Fix compile time warning messages.

        * bag.c: Fix compile time warning messages.

2000-02-02  Bernd Schmidt  

        * *.[ch]: Use indent to make readable.

1999-11-22  Nick Clifton  

        * armos.c (SWIread): Generate an error message if a huge read is

        performed.

        (SWIwrite): Generate an error message if a huge write is

        performed.

1999-10-27  Nick Clifton  

        * thumbemu.c (ARMul_ThumbDecode): Accept 0xbebe as a thumb

        breakpoint.

1999-10-08  Ulrich Drepper  

        * armos.c (SWIopen): Always pass third parameter with 0666 since

        otherwise uninitialized memory gets access if the O_CREAT bit is

        set and so we possibly cannot access the file afterwards.

1999-09-29  Doug Evans  

        * armos.c (SWIWrite0): Send output to stdout instead of stderr.

        (ARMul_OSHandleSWI, case SWI_WriteC,AngelSWI_Reason_WriteC): Ditto.

Thu Sep  2 18:15:53 1999  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

1999-05-08  Felix Lee  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

1999-04-06  Keith Seitz  

        * wrapper.c (stop_simulator): New global.

        (sim_stop): Set sim state to STOP and set

        stop_simulator.

        (sim_resume): Reset stop_simulator.

        (sim_stop_reason): If stop_simulator is set, tell gdb

        that the we took SIGINT.

        * armemu.c (ARMul_Emulate26): Don't loop forever. Stop if

        stop_simulator is set.

1999-04-02  Keith Seitz  

        * armemu.c (ARMul_Emulate26): If NEED_UI_LOOP_HOOK, call ui_loop_hook

        whenever the counter expires.

        * Makefile.in (SIM_EXTRA_CFLAGS): Include define NEED_UI_LOOP_HOOK.

1999-03-24  Nick Clifton  

        * armemu.c (ARMul_Emulate26): Handle new breakpoint value.

        * thumbemu.c (ARMul_ThumbDecode): Handle new breakpoint value.

Mon Sep 14 09:00:05 1998  Nick Clifton  

        * wrapper.c (sim_open): Set endianness according to BFD or command

        line switch.

        * tconfig.in: Define SIM_HAVE_BIENDIAN.

Thu Aug 27 11:00:05 1998  Nick Clifton  

        * armemu.c (Multiply64): Test for Rm (rather than Rs) not being

        the same as either RdHi or RdLo.

Thu Jul  2 10:24:35 1998  Nick Clifton  

        * armos.c (ARMul_OSHandleSWI: AngelSWI_Reason_ReportException):

        Set Reg[0] based on reason for for the exception.

Thu Jun  4 15:22:03 1998  Jason Molenda  (crash@bugshack.cygnus.com)

        * armos.c (SWIwrite0): New function.

        (WriteCommandLineTo): New function.

        (SWIopen): New function.

        (SWIread): New function.

        (SWIwrite): New function.

        (SWIflen): New function.

        (ARMul_OSHandleSWI): Call new functions instead of handling

        these here.

        (ARMul_OSHandleSWI): Handle Angel SWIs correctly.

        (*): Reformat spacing to be a bit more GNUly.

        Most code taken from a patch by Anthony Thompson

        (athompso@cambridge.arm.com)

Tue Jun  2 15:22:22 1998  Nick Clifton  

        * armos.h: Add Angel SWI and its reason codes.

        * armos.c (ARMul_OSHandleSWI): Ignore Angel SWIs (for now).

Mon Jun  1 17:14:19 1998  Anthony Thompson (athompso@cambridge.arm.com)

        * armos.c (ARMul_OSHandleSWI::SWI_Open): Handle special case

        of ":tt" to catch stdin in addition to stdout.

        (ARMul_OSHandleSWI::SWI_Seek): Return 0 or 1 to indicate failure

        or success of lseek().

Wed May 20 17:36:25 1998  Nick Clifton  

        * armos.c (ARMul_OSHandleSWI): Special case code to catch attempts

        to open stdout.

Wed Apr 29 15:29:55 1998  Jeff Johnston  

        * armos.c (ARMul_OSHandleSWI): Added code for SWI_Clock,

        SWI_Flen, and SWI_Time.  Also fixed SWI_Seek code to only

        seek from offset 0 and not to use R2 for whence since it is

        not passed as part of the SWI call.

Tue Apr 28 18:33:31 1998  Geoffrey Noer  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Sun Apr 26 15:31:55 1998  Tom Tromey  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

        * config.in: Ditto.

Sun Apr 26 15:20:26 1998  Tom Tromey  

        * acconfig.h: New file.

        * configure.in: Reverted change of Apr 24; use sinclude again.

Fri Apr 24 14:16:40 1998  Tom Tromey  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

        * config.in: Ditto.

Fri Apr 24 11:20:19 1998  Tom Tromey  

        * configure.in: Don't call sinclude.

Sat Apr  4 20:36:25 1998  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Mar 27 16:15:52 1998  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Mar 25 12:35:29 1998  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Mar 18 12:38:12 1998  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Mar 10 09:26:38 1998  Nick Clifton  

        * armopts.h: Remove definition of LITTLEND - it is not used.

Tue Feb 17 12:35:54 1998  Andrew Cagney  

        * wrapper.c (sim_store_register, sim_fetch_register): Pass in

        length parameter. Return -1.

Sun Feb  1 16:47:51 1998  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Sat Jan 31 18:15:41 1998  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Jan 19 22:26:29 1998  Doug Evans  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Dec 15 23:17:11 1997  Andrew Cagney  

        * configure: Regenerated to track ../common/aclocal.m4 changes.

        * config.in: Ditto.

Tue Dec  9 11:30:48 1997  Nick Clifton  

        * Makefile.in: Updated with changes from branch.

        * armdefs.h:   ditto

        * armemu.c:    ditto   these changes

        * armemu.h:    ditto   add support for

        * armos.c:     ditto   the Thumb instruction

        * armsupp.c:   ditto   set and the new v4

        * armvirt.c:   ditto   architecture.

        * wrapper.c:   ditto

        * thumbemu.c:  New file from branch.