Subversion Repositories or1k

2000-07-05  Nick Clifton  <nickc@cygnus.com>

        * d30v-insns: Change minimum loop size limit to 0x10.

Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>

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

2000-04-12  Frank Ch. Eigler  <fche@redhat.com>

        * cpu.h (GPR_CLEAR): New macro. 
        (GPR_SET): Removed macro.

Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>

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

Wed Sep  1 11:38:21 1999  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns: Cast CIA to LONG in printfs.

Tue Aug 31 01:32:22 1999  Andrew Cagney  <cagney@b1.cygnus.com>

        * cpu.h (unqueue_writes): Add declaration.

1999-05-27  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (do_repeat): Print a warning if a REPEAT or REPEATI
        instruction loop is too small.

1999-05-08  Felix Lee  <flee@cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.
        
1999-03-16  Martin Hunt  <hunt@cygnus.com>
        From Frank Ch. Eigler  <fche@cygnus.com>

        * cpu.h (mvtsys_left_p): New flag for MVTSYS instruction history.
        * d30v-insns (mvtsys): Set this flag instead of left_kills_right_p.
        (do_sath): Detect MVTSYS by new flag.
        * engine.c (unqueue_writes): Detect MVTSYS by new flag.
        (do_2_short, do_parallel): Initialize new flag.
       
1999-02-26  Frank Ch. Eigler  <fche@cygnus.com>

        * tconfig.in (SIM_HANDLES_LMA): Make it so.

1999-01-12  Frank Ch. Eigler  <fche@cygnus.com>

        * engine.c (unqueue_writes): Make PSW conflict resolution code
        conditional - disable it for MVTSYS || insn case.
        
1999-01-11  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_sath): Drain PSW write queue before PSW_S_FLAG
        update.
        * engine.c (unqueue_writes): Make non-static.  Remove PSW_V/VA
        special case.
        (do_parallel): Don't drain PSW write queue for MVTSYS || insn.

1999-01-07  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_ld2h): Sign-extend loaded half-words.

1999-01-05  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_ld2h): Read memory in word units.
        (do_ld4bh): Ditto.  Correct sign extension.
        (do_ld4bhu): Ditto.
        (do_st2h): Write memory in word units.
        (do_st4hb): Ditto.
        (st4hb): Correct mnemonic in igen template.

1998-12-08  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns: (do_ld2h): Don't update R0 nor R1 for double-word insn.
        (do_ld2w): Ditto.
        (do_ld4bh): Ditto.
        (do_ld4bhu): Ditto.
        (do_mulx2h): Ditto.

1998-12-03  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_repeat): Don't set RP for repeat count 1.

1998-12-03  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_src): Treat shift count -32 naturally instead of
        producing zero result.

1998-11-22  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_src): Limit SRC shift count to -32 .. 31.

1998-11-16  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (dbt): Defer PSW/DPSW update with new DID_TRAP code 2.  
        * engine.c (unqueue_writes): Perform DBT processing on PSW/DPSW here.

1998-11-12  Frank Ch. Eigler  <fche@cygnus.com>

        * cpu.h (_sim_cpu): Removed is_delayed_call field, and associated
        RPT_IS_CALL macro.  
        * sim-calls.c (sim_create_inferior): Don't initialize is_delayed_call.
        * d30v-insns (do_dbra): Don't clear RPT_IS_CALL. (do_dbrai): Ditto. 
        (do_djmp): Ditto. (do_djmpi): Ditto. (do_repeat): Ditto. 
        * d30v-insns (do_dbsr): Don't set RPT_IS_CALL, but set R62 instead. 
        (do_dbsri): Ditto. (do_djsr): Dito. (do_djsri): Ditto.
        * engine.c (sim_engine_run): Remove conditional setting of R62 based 
        upon RPT_IS_CALL.
        
1998-11-08  Frank Ch. Eigler  <fche@cygnus.com>

        * sim-calls.c (sim_open): Add dummy memory range over control
        register region (0x40000000..0x4000FFFF).
 
1998-11-06  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_mvfacc): Use loop to limit shift count to 63 .. 0.

Tue Oct 13 11:01:16 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_sra,do_srah,do_srl,do_srlh): Make shift
        count -32 to produce zero result.
        (do_src): Ditto for shift count == -64.

Mon Oct 12 23:04:11 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (ROT): Use 0x1f bit mask for rotate count masking.
        (do_sra,do_srl): Use loop to limit shift count to -32 .. 31.
        (do_srah,do_srlh): Use loop to limit shift count to -32 .. 31.
        (sra2h,srl2h): Use loop to limit shift count to -16 .. 15.
        (do_src): Use loop to limit shift count to -64 .. 63.

Fri Oct  9 16:46:52 1998  Doug Evans  <devans@canuck.cygnus.com>

        * sim-calls.c (get_insn_name): New fn.
        (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
        * sim-main.h (MAX_INSNS,INSN_NAME): Delete.

Mon Sep 28 10:43:28 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_sra,do_srah,do_srl,do_srlh,ROT,do_src): Use
        correct MSB bit numbers for sign extension masks.

Fri Sep 25 17:32:27 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * engine.c (do_parallel): Unqueue writes if MU instruction was
        a MVTSYS, as identified by its left_kills_right_p side-effect.

Fri Sep 25 12:31:34 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_sra,do_srah,do_srl,do_srlh,ROT,do_src): Mask
        shift/rotate counts to number of bits in width of operand; no
        longer saturate at maxima.

Tue Jul 14 18:39:23 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * cpu.h (left_kills_right_p): New flag for non-branch instructions
        that, when executed in left slot of a -> sequential pair, kill the
        right slot.
        * d30v-insns (mvtsys): Set flag for PSW/PSWh/PSWl/FLAG operands.
        * engine.c (do_2_short): Respect flag.
        
Thu Jun  4 16:48:58 1998  David Taylor  <taylor@texas.cygnus.com>

        * d30v-insns (do_trap): don't save the bPSW and PSW based on
        current values because an instruction done in parallel with
        the trap might change them, instead set a flag do that
        unqueue_writes will take care of it.
        * engine.c (unqueue_writes): finish trap handling
        * cpu.h (_sim_cpu): add new field did_trap and a macro DID_TRAP
        to make use of it; set by do_trap, tested and cleared by
        unqueue_writes.

Tue May 19 16:07:04 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * engine.c (unqueue_writes): Suppress the all enqueued writes to
        the same flags in PSW except the last.

Fri May 15 11:38:59 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (RETI): Correct instruction spelling to "reit".

Thu May 14 09:34:20 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (dbt): Handle DBT at end of repeat block.
        (do_trap, dbt): Clear PSW_RP if at end of repeat block.

Thu May 14 07:41:41 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * engine.c (sim_engine_run): Trigger DDBT based on previous PC,
        instead of next PC.

Wed May 13 11:03:40 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * engine.c (sim_engine_run): Move DDBT handling after instruction
        decode/execute stage.

Tue May 12 12:14:53 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_sat*): Correct "saturate to 0 bits" patch to
        properly handle negative saturation inputs.

Tue May 12 11:11:26 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * engine.c (sim_engine_run): Decrement RPT_C only under more
        restricted conditions.

Mon May 11 17:33:46 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_sat*): Make "saturate to 0 bits" pass through data
        unchanged.

Mon May 11 16:27:04 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * engine.c (sim_engine_run): Implement DDBT (debugger debug trap)
        functionality.

Fri May  8 16:44:19 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_trap): Set bPC to RPT_S if trap is last
        instruction in repeat block.
        (bsr*/jsr*): Set R62 (LINK) to RPT_S if subroutine branch
        is last instruction in repeat block.

Fri May  8 11:06:50 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_sath): Query/update F4/PSW_S using proper flag
        macro.
        * cpu.h (PSW_S_FLAG): New flag number for PSW_S status bit.

Wed May  6 19:40:56 1998  Doug Evans  <devans@canuck.cygnus.com>

        * sim-main.h (INSN_NAME): New arg `cpu'.

Fri May  1 14:24:30 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns: Fix parameter list to sim_engine_abort.

Thu Apr 30 14:28:00 1998  Fred Fish  <fnf@cygnus.com>

        * d30v-insns (do_sath): Add additional argument that determines
        whether or not the F4 (PSW_S) bit in the PSW is updated.
        (SAT2H): Do not update PSW_S bit.
        (SATHp): Do update PSW_S bit.

Tue Apr 28 23:36:00 1998  Fred Fish  <fnf@cygnus.com>

        * d30v-insns (SRAHp, SRLHp):  Immediate values are signed 6 bit
        values, not 5 bit values.

Wed Apr 29 12:57:55 1998  Frank Ch. Eigler  <fche@cygnus.com>

        * d30v-insns (do_incr): Check modular arithmetic limits after
        postincrement/postdecrement, rather than before, to match
        erroneous hardware behavior.

Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>

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

Mon Apr 27 19:42:00 1998  Fred Fish  <fnf@cygnus.com>

        * d30v-insns (do_trap): Clear all bits in PSW except SM and DB.

Mon Apr 27 14:55:00 1998  Fred Fish  <fnf@cygnus.com>

        * d30v-insns (do_mulx2h): Low order results go in ra+1, high
        order in ra.

Mon Apr 27 14:42:00 1998  Fred Fish  <fnf@cygnus.com>

        * d30v-insns (do_mulx2h): Rewrite to do proper 32 bit signed
        multiply of high and low fields from operands.

Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>

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

Sun Apr 26 15:20:20 1998  Tom Tromey  <tromey@cygnus.com>

        * acconfig.h: New file.
        * configure.in: Reverted change of Apr 24; use sinclude again.

Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>

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

Fri Apr 24 11:20:00 1998  Tom Tromey  <tromey@cygnus.com>

        * configure.in: Don't call sinclude.

Wed Apr 22 21:23:00 1998  Fred Fish  <fnf@cygnus.com>

        * ic-d30v (RbU, RcU): Unsigned versions of Rb and Rc.
        * d30v-insns (MVTACC): Use new RbU and RcU macros.

Wed Apr 22 20:52:00 1998  Fred Fish  <fnf@cygnus.com>

        * ic-d30v (RbHU,RbLU): Unsigned versions of RbH and RbL.
        * d30v-insns (SRL2H): Use new RbHU and RbLU macros instead of
        RbH and RbL.

Mon Apr 13 16:59:00 1998  Fred Fish  <fnf@cygnus.com>

        * d30v-insns (do_srl): Avoid undefined behavior of host compiler
        when shifting left by more than 31 bits.

Tue Apr  7 18:09:00 1998  Fred Fish  <fnf@cygnus.com>

        * engine.c (sim_engine_run): Remove at_loop_end variable. Add
        rp_was_set and rpt_c_was_nonzero variables.  Major restructuring of
        code before and after instruction execution to properly handle state
        of the RP bit in the PSW, the value in RPT_C, and other loop related
        problems.

Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>

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

Fri Apr  3 15:26:00 1998  Fred Fish  <fnf@cygnus.com>

        * d30v-insns (do_trap): Use offset from EIT_VB rather than hardcoded
        BASE_ADDRESS constant.
        * cpu.h (BASE_ADDRESS): Remove constant not used any longer.

Fri Apr  3 14:42:00 1998  Fred Fish  <fnf@cygnus.com>

        * cpu.h (EIT_VB): Define macro to access EIT_VB register.
        (EIT_VB_DEFAULT): Define value of EIT_VB register after reset.
        * sim-calls.c (sim_create_inferior): Set EIT_VB to EIT_VB_DEFAULT.

Tue Mar 31 19:00:00 1998  Fred Fish <fnf@cygnus.com>

        * d30v-insns (do_dbrai): RPT_S is cia plus pcdisp rather than
        just pcdisp.

Mon Mar 30 20:30:00 1998  Fred Fish  <fnf@cygnus.com>

        * engine.c (sim_engine_run): Add at_loop_end.  Rework end of loop
        code to use this to both reset PSW_RP when needed and to set PC
        to RPT_S for another pass through the loop.

Mon Mar 30 16:12:00 1998  Fred Fish  <fnf@cygnus.com>

        * engine.c (sim_engine_run): Change code that handles RPT_* regs
        and PSW_RP bit in PSW so that PSW_RP is always set while executing
        the loop and loop terminates upon completion of the pass for which
        RPT_C is zero.  More closely follow logic in architecture manual.

Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>

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

Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>

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

Thu Mar 19 00:25:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_open): Move memory-region commands back to
        before the call to sim_parse_args.
        (d30v_option_handler): Implement extmem-size option using
        memory-delete and memory-region commands.

        * sim-calls.c (d30v_option_handler): Use ANSI-C argument list,
        correct number and type of arguments.
        
Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>

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

Wed Mar 11 13:56:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * alu.h (IMEM, MEM, STORE): Replace sim_core_*_map with exec_map,
        read_map and write_map resp.

        * cpu.c (d30v_read_mem, d30v_write_mem): Ditto.

Mon Mar  2 13:34:08 1998  Fred Fish  <fnf@cygnus.com>

        * d30v-insns (do_repeat): Abort repeat instructions that have
        a repeat count of zero.

Fri Feb 27 18:44:12 1998  Doug Evans  <devans@canuck.cygnus.com>

        * sim-calls.c (sim_open): Update call to sim_add_option_table.

Thu Feb 26 18:34:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_info): Delete.

Wed Feb 25 14:44:58 1998  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (mvtsys): If moving to EIT_VB register, and with
        valid bits.  Optimize code somewhat.

        * cpu.h (eit_vector_base_cr): New CR we need to special case.
        (EIT_VALID): Valid bits for EIT_VB register.
        
        * d30v-insns (mv{f,t}sys): When moving to/from PSWH, the value is
        in the low 16 bits of the register.

        * d30v-insns (do_sra): Use a common WRITE32_QUEUE to write back
        results.
        (do_sr{a,l}h): Do shift in 32 bits, only truncate when writing
        result back to the registers.

Tue Feb 24 18:09:52 1998  Fred Fish  <fnf@cygnus.com>

        * Makefile.in (tmp-igen): Use -G gen-zero-r0 option to force
        r0 to always be zero.
        * cpu.h (GPR_SET): Define.

Tue Feb 24 14:12:57 1998  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (do_sath): Do saturation in 32 bits, before
        converting to 16.
        (sat{,2h,z,hp}): Use imm_5, not imm to get proper zero extend.
        (do_sath_p): Delete, no longer used.
        (sathp): Call do_sath, not do_sath_p.

Mon Feb 23 15:55:14 1998  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (illegal,wrong_slot): Print \n after PC and before we
        call sim_engine_halt.
        (sr{a,l}hp): Implement missing instructions.
        (do_trap): Print high order PSW bits in human readable fashion.
        (do_{dbra{,i},dbsr{,i},djmp{,i},djsr{,i},repeat}): Set PSW bit RP.

        * alu.h (PSW_SET_QUEUE): New macro to set PSW bits.

        * engine.c (sim_engine_run): Check for RP bit being set, not RPT_C
        being > 0.  If RPT_C is decremented to 0, clear PSW RP bit.

Fri Feb 20 10:13:34 1998  Fred Fish  <fnf@cygnus.com>

        * cpu.h (BASE_ADDRESS): Change from 0xfffff000 to 0xfffff020.

Tue Feb 17 12:39:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_store_register, sim_fetch_register): Pass in
        length parameter.  Return -1.

Fri Feb  6 17:39:54 1998  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (do_dbrai): Correct typo, use shift, not comparison.

Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>

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

Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>

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

Fri Jan 30 08:29:20 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * engine.c (sim_engine_run): Add parameter nr_cpus.

Fri Jan 30 17:09:37 1998  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (jsrtzr): Check for register == 0, not != 0.

Wed Jan 21 17:52:04 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * engine.c (do_stack_swap): Make type of new_sp unsigned.

Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>

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

Mon Jan  5 16:04:17 1998  Andrew Cagney  <cagney@sanguine.cygnus.com>

        * sim-calls.c (sim_info): Call profile_print.

        * sim-main.h: Enable instruction profiling.

Thu Dec 18 12:21:38 1997  Michael Meissner  <meissner@cygnus.com>

        * alu.h (ALU{16,32}_END): Change setting PSW to only set the carry
        and overflow bits.  Don't look at the current value of PSW.
        (PSW_FLAG_SET_QUEUE): Only queue up setting the particular bit in
        question.  Don't look at the current value of PSW.

        * d30v-insns: All instructions that set the PSW, will only queue
        up the particular bits in question that were set by the
        instruction.  Don't look at the current value of PSW.

Wed Dec 17 11:41:44 1997  Michael Meissner  <meissner@cygnus.com>

        * cpu.h (PSW_VALID): Allow EA/DB to be set in the PSW.
        (DPSW_VALID): Like PSW_VALID, but it allows the DS bit to be set.

        * engine.c (trace_alu32): When changing BPSW/DPSW, print the
        special PSW bits.

        * d30v-insns (do_cmp_cc): Fix cmpps and cmpng.
        (do_cmp{,u}_cc): Print which cc value was used if not in switch
        statement.
        (do_cmpu_cc): Remove illegal cases CMPU{EQ,NE,PS,NG}.
        (mvtsys): When setting BPSW or DPSW, and with DPSW_VALID.

Tue Dec 16 18:17:26 1997  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (mulx2h): Add missing instruction.  Complain if
        register is not even.
        (do_{add,sub}h_ppp): Get correct high/low values.  Also correctly
        handle short immediates.
        (do_ld{2w,4bh}): Don't load r0 if ra == 0.

        * engine.c (d30v_interrupt_event): Remove unused variable
        (unqueue_writes): Ditto.

Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>

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

Sat Dec 13 23:40:17 1997  Michael Meissner  <meissner@cygnus.com>

        * cpu.h (_write{32,64}): New structures for keeping track of
        queued writes to registers.
        (_sim_cpu): Add _write{32,64} structures.  Make is_delayed_call
        unsigned32 also.
        (WRITE{32,64}*): New macros for queueing up writes to registers.

        * alu.h (ALU16_END): Take field that says whether we are setting
        the high or low half word.  Queue up changes to registers.
        (ALU32_END): Queue up changes to registers.
        (PSW_FLAG_SET_QUEUE): Like PSW_FLAG_SET, except queues it up.

        * sim-main.h (do_stack_swap): Remove declaration.

        * engine.c (do_stack_swap): Make static.
        (unqueue_writes): New function to unqueue all changes to 32 and 64
        bit registers in order.  Implement --trace-alu.  Reset high water
        marks for # of queued registers.  If PSW changed, possibly update
        stack pointer.
        (do_{long,2_short,parallel}): Unqueue register writes at the
        appropriate time.

        * d30v-insns: Modify all insns to queue changes to registers,
        rather than do them immediately so that parallel instructions get
        the right values for inputs.  Rewrite 16 bit operations to be done
        in terms of masked 32 bit registers.  Don't call do_stack_swap any
        more here.

Thu Dec 11 10:06:02 1997  Michael Meissner  <meissner@cygnus.com>

        * sim-calls.c (d30v_option_handler): Add support for --extmem-size
        to size external memory.
        (sim_open): Ditto.  Default if no --extmem-size option is 8 meg.

Wed Dec 10 01:08:24 1997  Jim Blandy  <jimb@zwingli.cygnus.com>

        * d30v-insns (do_rot2h): Clip rotate amounts to four bits.  The
        upper bits, and the sign of the rotation amount, are red herrings.
        (do_sra, do_srl): Handle shifts greater than 32 bits.
        (do_srah, do_sral): Properly sign-extend value and shift amount.
        Handle shifts larger than 16 bits.

Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>

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

Mon Dec  1 15:10:44 1997  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (do_sub2h): For short instruction, correctly
        dupplicate lower 16 bits of immediate in upper 16 bits.
        (sat2z): Fix typo that ignored the upper half of the register.
        (do_satz): If < 0, set *ra to 0, if not call do_sat.
        (mvtsys): Before setting PSW, and with PSW_VALID.

        * cpu.h (PSW_VALID): Mask for bits in PSW that is valid.

Mon Dec  1 15:05:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
        
        * d30v-insns (do_trap): Pacify GCC - correct type of %ld arg in
        printf, return dummy at end.
        
Mon Dec  1 15:05:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns (do_add, do_addh_ppp, do_adds): Replace ALU_ADD with
        ALU_ADDC.
        (do_addc): Replace ALU_SET_CARRY / ALU_ADD_CA with ALU_ADDC_C.
        (do_sub, do_subh_ppp): Replace ALU_SUB with ALU_SUBB.
        (do_subb): Replace ALU_SET_CARRY / ALU_SUB_CA with ALU_SUBB_B.

        * alu.h (ALU16_END): Use ALU16_HAD_CARRY_BORROW instead of
        ALU16_HAD_CARRY.
        (ALU32_END): Ditto.

        * sim-main.h (string.h, strings.h): Include.
        
        * sim-calls.c: Delete inclusion of string.h and strings.h.
        
Sun Nov 30 17:29:25 1997  Michael Meissner  <meissner@cygnus.com>

        * configure.in (--enable-sim-trapdump): New switch to control
        whether traps 0..30 dump out the registers or do the real trap.
        * configure: Regenerate.

        * Makefile.in (SIM_EXTRA_CLFAGS): Add -DTRAPDUMP={0,1} if
        appropriate --{en,dis}able-sim-trapdump is done.

        * sim-calls.c (OPTION_TRACE_CALL): Rename from OPTION_CALL_TRACE.
        (OPTION_TRACE_TRAPDUMP): New option for --trace-trapdump.
        (d30v_option_handler): Add support for --trace-trapdump.
        (d30v_options): Ditto.
        (sim_open): Ditto.

        * d30v-insns (do_trap): Do register dump if --trace-trapdump and
        not the system call trap.  Remove support for calling old function
        sim_io_syscalls.

Sat Nov 29 18:54:55 1997  Michael Meissner  <meissner@cygnus.com>

        * cpu.h (_sim_cpu): Add trace_call_p, trace_action fields.
        (TRACE_CALL_P): Non-zero if --trace-call.
        (TRACE_ACTION): Non-zero if there is a tracing action at the end
        of processing an instruction boundary.
        (TRACE_ACTION_{CALL,RETURN}): Bits to say trace call & return.
        (d30v_next_insn): Delete, now trace_action field in cpu state.

        * cpu.c (d30v_next_insn): Delete, now trace_action field in cpu
        state.
        (return_occurred): Minimum saved register to check is now 34.

        * engine.c (sim_engine_run): Change call tracing to use
        trace_action field in cpu state.

        * sim-calls.c (d30v_option_handler): Handle d30v specific options.
        (d30v_options): D30V specific options.  Right now, --trace-call.
        (sim_open): Register d30v specific options.

        * d30v-insns (call, return insns): Move --trace-debug call/return
        tracing action to d30v specific --trace-call option.

Fri Nov 28 20:12:48 1997  Michael Meissner  <meissner@cygnus.com>

        * cpu.h (CREG): Rename from CR.

        * d30v-insns (do_{addc,subb}): Explicitly import the carry bit.
        (do_trap): Use CREG, not CR.  Switch to using cb_syscall.

Thu Nov 27 19:25:43 1997  Michael Meissner  <meissner@cygnus.com>

        * cpu.h (ACC): Define as short cut to accumulators.

        * d30v-insns (do_rot): Delete explicit function, use ROT32 to do
        rotate instruction.
        (do_trap): Make trap 30 print out accumulators and first 16
        control registers as well.
        (do_avg): Sign extend to 64 bit type before doing add/shift.
        (do_avg2h): Sign extend 16 bit chunks before doing add/shift.

Wed Nov 26 15:20:24 1997  Doug Evans  <devans@canuck.cygnus.com>

        * Makefile.in (NL_TARGET): Define.

Wed Nov 26 16:55:38 1997  Michael Meissner  <meissner@cygnus.com>

        * cpu.h (d30v_next_insn): New flag for things we are supposed to
        trace between instruction words.
        ({call,return}_occurred): Remove index argument.
        (d30v_{read,write}_mem): Add declarations.

        * cpu.c (d30v_next_insn): New flag for things we are supposed to
        trace between instruction words.
        ({call,return}_occurred): Remove index argument.
        (d30v_{read,write}_mem): New functions for reading/writing
        simulated memory in the new common system call support.

        * d30v-insns: Set emacs C mode.
        (call/return insns): Set bit to trace call at instruction
        boundary, rather than doing it here.
        (do_trap): Set up to use new common system call interface.

        * engine.c (sim_engine_run): If d30v_next_insn is non zero, do
        function call/return tracing.

Mon Nov 24 16:40:49 1997  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (bnot): Correctly reset bit in question.
        (do_trap): Use common system call emulation support, rather than
        our home grown support.

Sun Nov 23 22:47:20 1997  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (mvfacc): Immediate field is unsigned, allowing
        shifts of up to 63 to be encoded.  Also do shift signed, rather
        than unsigned.

        * ic-d30v (IMM_6S): Add field for 6 bit unsigned constants.

        * d30v-insns (cmpu): Short cmpu zero extends immediate, not sign
        extends.

Sat Nov 22 19:04:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns (illegal, wrong_slot): Replace SIGILL with
        SIM_SIGILL.

        * sim-calls.c (signal.h): Do not include, replaced by
        sim-signal.h.

        * sim-main.h (signal.h): Do not include, include sim-signal.h
        instead.

Fri Nov 21 09:33:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * cpu.c (call_occurred): Use ZALLOC instead of xmalloc.
        (return_occurred): Use zfree instead of free.

Wed Nov 19 13:28:09 1997  Michael Meissner  <meissner@cygnus.com>

        * Makefile.in ({l,s}_{support,semantics}.o): Depend on the include
        files in $(ENGINE_H).

        * d30v-insns (do_{add,addc,sub,subb}): ALU_{ADD,SUB}_CA now takes
        a VAL argument to add/subtract along with the carry.

Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>

        * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).

Tue Nov 18 13:56:15 1997  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (do_trap): Change to new system call numbers.  Add
        read emulation.

Mon Nov 17 14:43:45 1997  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (mulx): Add mulx instruction.

Sun Nov 16 19:06:56 1997  Michael Meissner  <meissner@cygnus.com>

        * cpu.c ({call,return}_occurred): New trace functions to mark
        function calls and returns and check whether all saved registers
        really were saved.

        * cpu.h ({call,return}_occurred): Add declaration.

        * d30v-insns ({bsr, jsr} patterns): Call call_occurred if
        --trace-debug to trace function calls.
        (jmp register pattern): If this is a jump r62 and --trace-debug,
        call return_occurred to trace function calls.
        (bsr{tnz,tzr}): Move setting r62 inside conditional against reg.
        (do_ld2w): Grab memory in 64-bit chunk, to check alignment.
        (do_st2w): Ditto.

Sat Nov 15 20:57:57 1997  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns: Undo changes from Nov. 11, allowing for odd register
        pairs, since the machine doesn't support such usage.  Trap on odd
        registers, rather than give a warning.  Keep do_src and do_trap
        changes.

Fri Nov 14 11:59:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns (do_trap): Pacify compiler warnings for printf calls.

Tue Nov 11 18:26:03 1997  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (not_r63_reg): Rename from make_even_reg, only check
        for register being r63.  Change callers ld2{h,w}, ld4bh{,u}.
        (get_reg_not_r63): Rename from get_even_reg, and only check for
        register r63.  Change callers st2{w,h}, st4b.
        (do_src): Correct register pair for shift left.
        (do_trap): Temporarily make trap 30 print out the registers.

Tue Nov  4 08:51:22 1997  Michael Meissner  <meissner@cygnus.com>

        * d30v-insns (do_trap): Make trap 31 be used for system calls.
        Add primitive write and exit system calls.

        * Makefile (FILTER): New make variable to filter out known igen
        warnings.
        (tmp-igen): Add $(FILTER) on all 3 invocations of igen to filter
        out warnings that should be ignored by default.

Fri Oct 31 19:36:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_open): Change EIT to memory region.

Fri Oct 17 16:51:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * alu.h (ALU16_END): Get result from ALU16_OVERFLOW_RESULT.
        (ALU32_END): Get result from ALU32_OVERFLOW_RESULT.

Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>

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

Mon Sep 29 15:23:35 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>

        * d30v-insns (MVFSYS MVTSYS):  Fix bit patterns so that these
        instructions get recognised.

Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>

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

Wed Sep 24 17:51:43 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>

        * Makefile.in (SIM_OBJS):  Add sim-break.o.
        * (INCLUDE_DEPS):  Add tconfig.h.
        * alu.h (MEM STORE):  Change to sim_core_read/write_unaligned to
        allow for trapping unaligned accesses.
        * cpu.h:  Define SIM_BREAKPOINT as syscall 5 for intrinsic breakpoint
        mechanism.
        * d30v-insn (short syscall):  Use syscall 5 for breakpoint insn.
        * sim-calls.c (sim_fetch_register sim_store_register):  Implement.
        * tconfig.in:  Define SIM_HAVE_BREAKPOINTS to enable intrinsic
        breakpoint mechanism.
        
Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

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

Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
        SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
        (SIM_EXTRA_CFLAGS): Update.
        
Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure.in: Specify strict alignment.
        * configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>

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

Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>

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

Fri Sep 12 16:13:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_open): Change memory to
        internal inst. RAM h'00000000-h'0000ffff (64KB)
        internal data RAM  h'20000000-h'20007fff (32KB)
        external RAM       h'80000000-h'803fffff (4MB)
        EIT                h'fffff000-h'ffffffff


Thu Sep 11 08:59:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * Makefile.in (SIM_OBJS): Add sim-hrw.o module.

        * sim-calls.c (sim_read): Delete. use sim-hrw.
        (sim_write): Delete, use sim-hrw.
        

Tue Sep  9 01:36:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * ic-d30v (imm_5): Update nr args passed to LSMASKED.

        * d30v-insns (do_sat, do_sath, do_sath_p, do_satz, do_satzh): Fix,
        computing the max sat value incorrectly.

Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>

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

Fri Sep  5 09:15:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns (do_mac, do_macs, do_msub, do_mulxs): Use explicit
        type cast instead of SIGNED64 macro.

Thu Sep  4 10:28:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * Makefile.in (SIM_OBJS): Include sim-memopt.o module.

        * sim-calls.c (sim_open): Pass zero modulo arg to sim_core_attach
        calls.
        (sim_open): If no memory, use memory commands to establish d30v
        ram.
        (d30v_option_handler): Delete, replased by sim-memopt.c.
        (sim_create_inferior): Call sim_module_init.

        * sim-main.h (struct sim_state): Remove members eit_ram,
        sizeof_eit_ram, external_ram, baseof_external_ram,
        sizeof_external_ram. Using generic memory model instead.

Mon Sep  1 11:04:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_open): Use sim_state_alloc.

Sat Aug 30 10:01:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-main.h (INVALID_INSTRUCTION_ADDRESS): Define.

        * engine.c (do_2_short): Compare with INVALID_INSTRUCTION_ADDRESS
        not -1.

Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>

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

Wed Aug 27 13:41:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_open): Add call to sim_analyze_program, update
        call to sim_config.

        * sim-calls.c (sim_create_inferior): Add ABFD argument.
        Initialize CPU registers including PC.
        (sim_load): Delete, using sim-hload.

        * Makefile.in (SIM_OBJS): Add sim-hload.o module.

Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>

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

Mon Aug 25 15:41:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_open): Add ABFD argument.
        (sim_open): Move sim_config call to after sim_parse_args.
        (sim_open): Check sim_config return status.

Fri Aug 22 16:38:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns (do_subh_ppp): Correct name, was do_sub_ppp.
        (do_subh_ppp): Compute rc=rb-src instead of src-rb.
        (do_addh_ppp): Ditto.
        
Fri Jun 27 14:43:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns (mvfsys, mvtsys): Switch instruction encodings, was
        wrong.  Update handling of PSW[DS] bit.
        (dbt): Fix debug trap address.

        * cpu.h (NR_CONTROL_REGISTERS): Allow the full 64 registers.

Tue Jun 24 12:41:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns (DBT, RTD): Swap the stack after updating the PSW.
        (DBT): Use PSW_SET to update PSW.
        
        * alu.h (ALU16_END): Check for 16 bit carry and not 32 bit.

Tue Jun 24 12:16:14 1997  Andrew Cagney  <cagney@b2.cygnus.com>

        * d30v-insns (ppp, ccc, pp, XX, p): Update format functions so
        that they are of class %s instead of class function.

Tue Jun 10 12:26:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-main.h (engine_error, engine_restart, engine_halt,
        engine_run_until_stop): Delete prototypes.  Functions deleted
        earlier.
        (do_interrupt_handler): Add prototype.
        (sim_state): Add pending_event member to struct.

        * sim-calls.c (sim_open): Configure interrupt handler.
        * engine.c (d30v_interrupt_event): New function.  Deliver external
        interrupt to processor.

        * d30v-insns (do_stack_swap): Move function from here.
        * engine.c (do_stack_swap): To here.
        * sim-main.h (do_stack_swap): Add prototype.
        
        * cpu.h (registers): Change current_sp to an int.
        * d30v-insn (do_stack_swap): Update.
        
Thu Jun  5 12:54:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns (LD*, ST*): Disasemble XX == 0 as immed version of
        instruction.
        (str_XXX): Fix case of XX == 3 - return "-".

Thu Jun  5 12:54:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * engine.c (sim_engine_run): Issuing L->R and R->L instructions in
        wrong order.

        * d30v-insn (CMPUcc imm long): With of RB field should be 6 not
        three.
        (MUL, MUL2H, MULHX): X field 01 instead of 10.

Thu Jun  5 12:54:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns (mvtsys): Don't modify DS bit when writing to PSW.
        (dbt, rtd): New instructions.

        * cpu.h (NR_CONTROL_REGISTERS): Now 15.
        (debug_program_status_word_cr, debug_program_counter_cr): Add
        debug control registers. Renumber other control registers.
        (PSW_DS): New PSW bit.
        (DPC, DPSW): Define.

Wed May 28 13:45:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * engine.c (sim_engine_run): Check the event queue on every cycle.

        * sim-calls.c (sim_size): Delete.
        (sim_do_command): Call sim_args_command.
        (sim_open): Move eit_ram and sizeof_eit_ram to sim_state struct.
        (simulation): Delete global now depend on sd argument.
        (sim_open): Initialize sim-watch.
        (d30v_option_handler): New function, parse mem-size argument.

Tue May 27 14:03:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_set_callbacks): Delete.
        (sim_write): Pass NULL cpu arg to sim_core_write_buffer.

        * engine.c (engine_init): Delete.  Handled in sim_open.
        (engine_create): Ditto.
        
Tue May 20 10:15:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_open): Add callback argument.
        (sim_set_callbacks): Delete SIM_DESC argument.

Mon May 19 14:59:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_open): Set the sim.base magic number.

Fri May 16 15:25:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * d30v-insns: Replace engine_error with common sim_engine_abort.
        * cpu.c (is_condition_ok, is_wrong_slot): Ditto.

        * engine.c (engine_run_until_stop): Rename this.
        (sim_engine_run): To this. Simplify - most moved to common.

        * sim-calls.c (sim_stop_reason, sim_resume, sim_stop):
        Delete. Replaced by common code.

        * engine.c (engine_error, engine_restart, engine_halt): Ditto.
        
        * sim-main.h (SIM_ENGINE_RESTART_HOOK, SIM_ENGINE_HALT_HOOK):
        Define as NOPs.

Mon May  5 23:05:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * alu.h (IMEM, MEM, STORE): Update to reflect changes to core in
        ../common.
        * sim-calls.c (sim_open): Ditto.

        * alu.h, cpu.h, cpu.c, d30v-insn, dc-short: Clean up copyright
        notice.

Fri May  2 12:01:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim-options.h, sim-utils.h): Include.
        * Makefile.in (sim-calls.o): Add dependencies.

        * d30v-insns (address_word): Remove cia argument from support
        functions, igen now does this automatically.

        * Makefile.in (tmp-igen): Include line number information in
        generated files.

        * sim-main.h (SIM_DESC): Remove sim_events and sim_core, moved to
        simulator base type sim_state_base.
        (sim-core.h, sim-events.h, sim-io.h): Replace with #include
        "sim-base.h".

        * sim-main.h (sim_state): Track recomendations in common
        directory.
        * cpu.h (sim_cpu): Ditto.
        * engine.c (do_2_short, do_parallel): Ditto.
        * cpu.h (GPR): Ditto.
        * alu.h (MEM, IMEM, STORE): Ditto.
        * cpu.c (is_wrong_slot): Ditto.
        * ic-d30v (Aa, Ab): Ditto.

Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.
        * Makefile.in (SIM_OBJS): Add sim-module.o, sim-profile.o.
        * sim-calls.c (sim_open): Call sim_module_uninstall if argument
        parsing fails.  Call sim_post_argv_init.
        (sim_close): Call sim_module_uninstall.

Fri Apr 18 13:44:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_stop): New function.

Thu Apr 17 02:57:55 1997  Doug Evans  <dje@canuck.cygnus.com>

        * Makefile.in (SIM_OBJS): Add sim-load.o, sim-options.o, sim-trace.o.
        (SIM_EXTRA_{LIBS,LIBDEPS,ALL,INSTALL}): Delete.
        (SIM_RUN_OBJS): Change from run.o to nrun.o.
        * cpu.h (sim_cpu): New member base.  Delete members trace, sd.
        (cpu_traces): Delete.
        * engine.c (engine_init): Set backlink from cpu to state.
        * sim-calls.c: #include bfd.h.
        (sim_open): Set STATE_OPEN_KIND.  Call sim_pre_argv_init,
        sim_parse_args.
        (sim_load): Return SIM_RC.  New arg abfd.
        Call sim_load_file to load file into simulator.
        (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
        (sim_trace): Delete.
        * sim-main.h (struct sim_state): sim_state_base is typedef now.
        (STATE_CPU): Define.

Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

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

Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>

        * Makefile.in (SIM_EXTRA_DEPS): Define.
        (SIM_OBJS): Add sim-utils.o.
        (SIM_GEN): Delete tmp-common.
        (SIM_EXTRA_CLEAN): Delete clean-common.
        (BUILT_SRC_FROM_COMMON): Moved to ../common/Make-common.in.
        (tmp-common,clean-common): Delete.
        (ENGINE_H): sim-state.h renamed to sim-main.h.
        (clean-igen): Delete tmp-insns.

        * cpu.c: sim-state.h renamed to sim-main.h.
        * engine.c: Likewise.
        * sim-calls.c: Likewise.
        (zalloc,zfree): Moved to ../common/sim-utils.c.
        * sim-main.h: Renamed from sim-state.h.

        * sim-calls.c (sim_open): New arg `kind'.

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

Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>

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

Wed Apr  2 11:13:15 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * Makefile.in (SIM_OBJS): Link in the recently added sim-config.o

        * engine.c (current_target_byte_order, current_host_byte_order,
        current_environment, current_alignment, current_floating_point,
        current_model_issue, current_stdio): Delete, moved to
        ../common/sim-config.c

Mon Mar 24 14:50:30 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * d30v-insns (do_ldw): Load 4 bytes not 2.
        (do_incr, LD*, ST*): Increment register not its value.

Mon Mar 24 09:59:53 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * cpu.c (is_wrong_slot): Ditto.
        (is_condition_ok): Ditto.

        * sim-calls.c (sim_trace): Ditto.

        * engine.c (engine_init): Ditto.
        (do_2_short): Ditto.
        (engine_run_until_stop): Ditto.

        * d30v-insns (void): Update. For functions, remove `SIM_DESC sd'
        and `cpu *processor' arguments as igen now handles this.

        * cpu.h: Rename struct _cpu to struct _sim_cpu. Rename variable
        processor to cpu.

        * sim-state.h: Update.

Fri Mar 21 12:52:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * d30v-insns (do_sat): Correct calculation of saturate lower
        bound.
        (do_sath): Ditto.
        (do_satzh, do_satz): Arguments should be signed.
        
        * sim-calls.c (zalloc): Use malloc() instead of xmalloc() for
        moment.
        (filter_filename): Drop.

        * cpu.h (is_wrong_slot): Correct declaration name - was
        is_valid_slot.

        * engine.c (do_parallel): Plicate GCC.
        (engine_error): Ditto.
        (engine_run_until_stop): Ditto.
        * cpu.c (is_wrong_slot): Ditto.
        (is_condition_ok): Ditto.
        * sim-calls.c (sim_size): Ditto.
        (sim_read): Ditto.
        (sim_trace): Ditto.
        
        * engine.h, engine.c (engine_create): Add missing prototype to
        header file.  Clean up missing variables.

        * configure.in (unistd.h, string.h, strings.h): Configure in.
        * configure, config.in: Rebuild.

Thu Mar 20 19:40:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * d30v-insns (void): Provide a second emul instruction using a
        branch prefix.

Tue Mar 18 20:51:42 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * d30v-insn (do_sat*): Pass all necessary args.
        
Tue Mar 18 18:49:10 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * d30v-insns (SAT*): Issue warning when bit overflow.
        (EMUL): Exit with GPR[2] not 2.

Tue Mar 18 14:24:09 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * sim-state.h: New file rename engine.h.
        (sim_state): Rename engine strut to sim_state, rename events and
        core members.
        
        * engine.c: Update.
        * cpu.h, cpu.c: Ditto.
        * alu.h: Ditto.
        * d30v-insns: Ditto.
        * sim-calls.c: Ditto.

        * Makefile.in (sim-*.c): Moved to ../common.

Tue Mar 18 10:39:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * d30v-insns (do_mac): Adding wrong register.
        (do_macs): Ditto.
        (do_msub): Ditto.
        (do_msubs): Ditto.

        * ic-d30v: Put back definitions of RaH, RaL, et.al.
        (do_sra2h, do_srah): Use.
        (do_srl2h, do_srlh): Use.
        
        * d30v-insns (SAT, SAT2H, SATp, SATZ): Implement saturate.

Tue Mar 18 03:01:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * d30v-insns: Specify wild insted of reserved bits.
        (void): 

Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * configure: Re-generate.

Mon Mar 17 14:35:37 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * Makefile.in (SIM_EXTRA_CFLAGS), configure.in: Include SIM_*
        options. Allow RESERVED_BITS to be configured.
        * configure: Re-generate.
        
        * Makefile.in (sim-*.h): Drop, not needed.
        (sim-*.c): Make each explicit so that they automatically update.

Sat Mar 15 02:34:30 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * ic-d30v (imm long): Incorrect calculation.

        * d30v-insns (EMUL): Finish exit, write-string emul-call.

        * sim-calls.c (sim_trace): Have sim-trace enable basic instruction
        tracing.

Sat Mar 15 02:10:31 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * configure.in: Enable common options - endian, inline and
        warnings.
        * configure: Regenerate.
        
Fri Mar 14 16:11:50 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * Makefile.in (cpu.o): Update dependencies.
        * cpu.c (is_condition_ok): Update PSW bit manipulations.

Fri Mar 14 12:49:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * configure.in: Autoconfig m4
        * configure: Regenerate.

        * Makefile.in: Use m4 to preprocess d30v-insns.
        * d30v-insn: Adjust.

Thu Mar 13 12:44:54 1997  Doug Evans  <dje@canuck.cygnus.com>

        * sim-calls.c (sim_open): New SIM_DESC result.  Argument is now
        in argv form.
        (other sim_*): New SIM_DESC argument.

Wed Mar 12 19:05:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * sim-calls.c (sim_open): Create all the d30v RAM blocks.

        * engine.c (engine_run_until_stop): Handle delayed subroutine
        call.
        * d30v-insn: Ditto.
        
        * ic-d30v: For Rb and Rc always return the value and not the
        equation.
        * d30v-insn: Use.
        
        * ic-d30v (val_Ra): Returns 0 or RA.
        * d30v-insn: Use.
        
        * d30v-insn (make_even_reg, get_even_reg): New functions. Force
        the register index to be even, issusing a warning if it was not.
        (LD*, ST*): Use.
        
Wed Mar 12 14:57:26 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * d30v-insns (do_trap): Implement TRAP instruction.

        * alu.h (PSW_F, PSW_FLAG_VAL, PSW_FLAG_SET): New macro, map flag
        onto PSW bit.
        * ic-d30v: Drop F* expressions.
        * d30v-insn: Use more explicit PSW_FLAG_ ops.
        * cpu.h (PSW_*): Redo PSW bit values.
        * alu.h (ALU*_END): Update. Fix setting of overflow - logic was
        backwards.
        
        * d30v-insn (MVFSYS, MVTSYS): Implement.
        * cpu.h (PSWH, PSWL): New macros for high, low word of PSW.
        
Wed Mar 12 14:12:11 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * cpu.h (RPT_IS_CALL): New macro for processor field
        is_delayed_call.  That in turn used as a flag to indicate if a
        delayed branch or delayed call is to occure.
        * d30v-insns (do_dbra): Set/clear RPT_IS_CALL;
        (do_dbrai): Ditto.
        (do_dbsr): Ditto.
        (do_dbsr): Ditto.
        (do_djmp): Ditto.
        (do_djmpi): Dotto.
        (do_djsr): Ditto.
        (do_djsri): Ditto.
        (void): 

        * d30v-insn (do_incr): Finish - handle modulo registers.
        
        * d30v-insns (CMPU): Include all possible compare
        operations. Issue a warning where op defined by the processor
        spec.
        
Wed Mar 12 13:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * d30v-insns: Add a new instruction class _EMUL and a new
        instruction EMUL that emulates a few basic IO operations.

        * Makefile.in (tmp-igen): Filter in emul instructions.

Fri Mar  7 20:32:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * d30v-insns (void): Fill in the gaps.

Wed Feb 26 09:31:10 1997  Andrew Cagney  <cagney@kremvax.tpgi.com.au>

        * Makefile.in (tmp-igen): Include ic-d30v in dependencies.

        * ic-d30v (cache): Update to use H_word, L_word added to
        sim-endian.h.

Tue Feb 25 15:26:51 1997  Andrew Cagney  <cagney@kremvax.tpgi.com.au>

        * Makefile.in (tmp-igen): Correctly run $(MAKE).

Thu Feb 20 20:30:31 1997  Andrew Cagney  <cagney@critters.cygnus.com>

        * Makefile.in (FROM_IGEN, FROM_COMMON): Make the igen generated
        files dependant on tmp-igen. Define ENGINE_H.
        
Sun Feb 16 16:42:48 1997  Andrew Cagney  <cagney@critters.cygnus.com>

        * configure.in: New file - follow Doug Evans instructions.
        * Makefile.in: Ditto.