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old-cross-binutils/sim/d10v/ChangeLog
Nick Clifton 1ee490ca0b Fix PR 17387: ignore auto increment for loads where the destination register 
and the address register are the same.
1998-09-30 17:15:14 +00:00

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Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
* simops.c: If load instruction with auto increment/decrement
addressing is used when the destination register is the same as
the address register, then ignore the auto increment/decrement.
Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
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 15:20:23 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 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
* configure.in: Don't call sinclude.
Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
* interp.c (struct hash_entry): OPCODE and MASK are unsigned.
* d10v_sim.h (remote-sim.h, sim-config.h): Include.
Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
up-to-date CR value.
(OP_OP_1000000, add3): Trace inputs before performing add.
(OP_5F00, <*>): Trace input registers before making system call.
(OP_5F00, <kill>): Trace R0, R1 not REGn.
(OP_5F00, <getpid>): Always return 47.
* d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
back slots.
(struct _state): Add struct slot slot to global state variable.
(struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
F0, F1, C from global State variable.
(struct _state): Add struct trace to global State variable.
(GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
(PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
(CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
(INC_ADDR): Re-implement. Use SET_GPR to update registers.
(JMP): Re-implement. Use SET_* to update registers.
* interp.c: Use new SET_* et.al. macros to fetch / store
registers.
(get_operands): Squirrel away trace values at start of each
operand decode.
(do_2_short): Flush pending writes before issuing second
instruction.
(sim_resume): Flush pending writes at end of instruction cycle.
(sim_fetch_register, sim_store_register, sim_create_inferior):
After scheduling updates to registers using SET_*, flush updates.
(sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
that each sets pc using SET_* and last SET_* eventually winds out.
* simops.c: Use new SET_* et.al. macros to fetch / store
registers.
(move_to_cr): Add MASK argument for selective update of CREG bits.
Re-implement using new SET_* macros.
(trace_output_func, trace_output): Delete. Replace with.
(do_trace_output_flush, trace_output_finish, trace_output_40,
trace_output_32, trace_output_16, trace_output_void,
trace_output_flag): New functions. Handle specific trace cases.
(OP_*): Re-write tracing to use new trace_output_* functions.
(OP_*): Re-write to use new SET_* et.al. macros.
(FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
(RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure.in (SIM_AC_OPTION_WARNINGS): Add.
configure: Re-generate.
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.
Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_store_register, sim_fetch_register): Pass in
length parameter. Return -1.
Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
* (dmem_addr): If address is illegal or in I/O space, signal a bus
error. Allocate unified memory on demand. Fix DMEM address
calculations.
Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (OP_5F20): Implement "dbt".
(OP_5F60): Implement "rtd".
* d10v_sim.h (DPC_CR): Define enum.
(DBT_VECTOR_START): Define
(DPSW, DPC): Define.
Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
to PSW:SM.
* d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
(SP_IDX): Define.
Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (OP_5F00): Call error instead of abort for unknown
syscalls.
* d10v_sim.h (enum): Define DPSW_CR.
* simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_write_phys): Delete.
(sim_load): Call sim_load_file with sim_write and LMA.
Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c: Rewrite xfer_mem so that it translates addresses as -
0x00... - DMAP translated memory, 0x01... IMAP translated memory,
0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
memory.
(pc_addr): Delete.
(imem_addr): New function - translate IMEM address.
(sim_resume): Use imem_addr to translate insn address, abort if
translation failed.
(sim_create_inferior): Write ARGV to memory using sim_write. Pass
argc/argv using r0/r1 not r2/r3.
(sim_size): Do not initialize IMAP/DMAP here.
(sim_open): Call sim_create_inferior and sim_size to initialize
the system.
(sim_create_inferior): Initialize IMAP/DMAP to hardware reset
defaults.
(init_system): Delete.
(xfer_mem, sim_fetch_register, sim_store_register): Do not call
init_system.
(decode_pc): Check prog_bfd is defined before looking up .text
section.
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.
Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
* interp.c (sim_stop_reason): Exit status is now in r0, not r2.
Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
* d10v_sim.h (DEBUG_TRAP): New debug flag.
* simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
printing the registers.
Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
* simops.c (op_types): New ABI, args are r0..r3, system call # is
in r4.
(trace_{in,out}put_func): Ditto.
(OP_4900): Ditto.
(OP_24800000): Ditto.
(OP_4D00): Ditto.
(OP_5F00): Ditto.
Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
* interp.c (UMEM_SEGMENTS): New define, set to 128.
(sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
(sim_close): Reset prog_bfd to NULL after closing it. Also
reset prog_bfd_was_opened_p after closing prog_bfd.
(sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
(sim_create_inferior): Get start address from abfd not prog_bfd.
(xfer_mem): Do bounds checking on addresses and return zero length
read/write on bad addresses, rather than aborting. Prepare to
be able to handle xfers that cross segment boundaries, but not
yet implemented. Only emit debug message when d10v_debug is
set as well as DEBUG being defined.
Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
* config.in: Ditto.
Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
* d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
(BPSW): Ditto for BPSW_CR and not PSW_CR.
* simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
reserved trap from 0 to 15. Add trap emulation code for 0-14.
* interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
IBA for SDBT.
* d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
* simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
use move_to_cr.
(OP_5F00): For "trap", update BPSW with move_to_cr.
Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
* d10v_sim.h (enum): Enumerate CR register names.
(enum): Enumerate PSW bit values.
(PSW): Obtain value uing move_from_cr.
(MOD_S, MOD_E, BPSW): Make r-values.
(move_from_cr, move_to_cr): Declare functions.
* interp.c (sim_fetch_register, sim_store_register): Use
move_from_cr and move_to_cr for CR register transfers.
* simops.c (move_from_cr, move_to_cr): New functions.
(OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
(OP_5600): For "mvtc", use function move_to_cr.
(OP_5200): For "mvfc", use function move_from_cr.
Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
LSbit is zero.
Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
* d10v_sim.h (struct _state): Add DM - PSW debug mask.
* simops.c (OP_5600): For "mvtc", save PSW.DM.
(OP_5200): Ditto for "mvfc".
Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
* d10v_sim.h (SEXT56): Define.
* simops.c (OP_4201): For "rac", sign extend 56 bit value before
it is shifted.
* d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
SIGNED64 macro.
Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
* interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
RIGHT_FIRST, as appropriate, instead of hardcoded ints that
don't match enum values.
Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (OP_3A00): For "macu", perform multiply stage using 32
bit rather than 16 bit precision.
(OP_3C00): For "mulxu", store unsigned product in ACC.
(OP_3800): For "msbu", subtract unsigned product from ACC,
(OP_0): For "sub", compute carry by comparing inputs.
Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (OP_1000): For "sub2w", compute carry by comparing
inputs.
Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
carry indicated by value > 0xffff.
Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_resume): Don't set up SIGINT handler using signal,
handled by client.
(sim_resume): Fix race condition of a direct assignment to
stop_simulator, conditionally call sim_stop.
(sim_stop_reason): Check stop_simulator returning SIGINT. Clear
stop_simulator ready for next sim_resume call.
(sim_ctrl_c): Delete function.
Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_resume): For "REP", only check/update the PC when
a branch instruction has not been executed.
Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
extend bit 44 all constants.
(OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
* d10v_sim.h: Include sim-types.h.
(uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
using unsigned8 et.al. from sim-types.h.
(SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
SIGNED64 macro.
Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_write_phys): New function, write to physical
instead of virtual memory.
* interp.c (sim_load): Pass lma_p and sim_write_phys to
sim_load_file.
Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
* simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
exception generation code to OP_6E01.
(OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
generation code.
Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
* simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
(OP_6601): Ditto.
Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
* interp.c (pc_addr): Discard upper bit(s) of PC in case
IMAP1 selects unified memory.
* d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
for end condition.
Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
* 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.
Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
* interp.c (sim_resume): Increment PC at end of rep
loop.
* simops.c (OP_4201): Fix rachi instruction.
Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
* config.in: Ditto.
Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_kill): Delete.
(sim_create_inferior): Add ABFD argument.
(sim_load): Move setting of PC from here.
(sim_create_inferior): To here.
(start_address): Delete variable.
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 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_open): Add ABFD argument.
Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_open): Add callback argument.
(sim_set_callbacks): Remove SIM_DESC argument.
Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
* interp.c (sim_open): Undo patch to add -E support.
Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_stop): New function.
Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in (SIM_OBJS): Add sim-load.o.
* d10v_sim.h (exec_bfd): Rename to prog_bfd.
* interp.c: #include bfd.h.
(myname, sim_kind, start_address): New static locals.
(prog_bfd_was_opened_p, prog_bfd): New static locals.
(decode_pc): Update to use prog_bfd.
(sim_open): Set sim_kind, myname. Ignore -E arg.
(sim_close): Close prog_bfd if simulator opened it.
(sim_create_inferior): Return SIM_RC. Delete arg start_address.
(sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
Call sim_load_file to load file into simulator.
* simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
* simops.c (OP_5F00): Only provide system calls SYS_execv,
SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
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>
* interp.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.
Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
* configure: Re-generate.
Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
* configure: Regenerate to track ../common/aclocal.m4 changes.
* simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
as trap 0, which will be deprecated. Only set errno, if an error
in fact was returned.
Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
* interp.c: Delete redundant prototypes of sim_foo fns.
(sim_open): New SIM_DESC result. Argument is now in argv form.
(other sim_*): New SIM_DESC argument.
Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
* simops.c (trace_{input,output}_func): Call flush_stdout from the
callback functions.
(OP_5F00): Ditto.
(OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
(OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
setting the carry bit after an add or a subtract.
Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
* simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
40 bits of accumulators. Sign/zero extend as appropriate.
Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in (@COMMON_MAKEFILE_FRAG): Use
COMMON_{PRE,POST}_CONFIG_FRAG instead.
* configure.in: sinclude ../common/aclocal.m4.
* configure: Regenerated.
Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
* configure configure.in Makefile.in: Update to new configure
scheme which is more compatible with WinGDB builds.
* configure.in: Improve comment on how to run autoconf.
* configure: Re-run autoconf to get new ../common/aclocal.m4.
* Makefile.in: Use autoconf substitution to install common
makefile fragment.
Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
* gencode.c: patch to not #include "d10v_sim.h" which
unecessarily includes bfd.h and causes wingdb configure
to fail.
Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* interp.c (xfer_mem): Change unified memory to 0x0.
Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (OP_3E01): Fix tracing information.
(OP_300{0,1}): Do not propigate sign.
Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
* config.in (WORDS_BIGENDIAN): Add.
* configure: Regenerated.
* d10v_sim.h: #include "config.h"
Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* gencode.c (write_opcodes): Eliminate warnings when generated
table.c is compiled.
Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* interp.c (sim_open): Cast result of calloc, and make sure NULL
was not returned.
(dmem_addr): If address is illegal or in I/O space, signal a bus
error.
(pc_addr): Signal bus error, not illegal instruction for bogus
pc.
Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in: Delete all stuff moved to ../common/Make-common.in.
(SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
* configure.in: Simplify using macros in ../common/aclocal.m4.
Call AC_CHECK_HEADERS(unistd.h).
* configure: Regenerated.
* config.in: New file.
* interp.c: #include "callback.h".
* simops.c: #include "config.h". #include <unistd.h> if present.
Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* d10v-sim.h (simops): Add flag is_long.
(State): Add pc_changed. Instructions which update the PC should
use the JMP macro which sets this.
(JMP): New macro. Sets the PC and the pc_changed flag.
* gencode.c (write_opcodes): Add is_long field.
* interp.c (lookup_hash): If we blindly apply a short opcode's mask
to a long opcode we could get a false match. Check the opcode size.
(hash): Add a size field to the hash table.
(sim_open): Initialize size field in hash table.
(sim_resume): Change to logic for setting the PC. Used to increment the
PC if it had not been changed. This didn't allow single-instruction loops.
Now checks the flag State.pc_changed. Also now stops when ^C is received.
(dmem_addr): Fix translation of data segments to unified memory.
(sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
* simops.c: Changed all branch and jump instructions to use new JMP macro.
(OP_20000000): Corrected trace information to show this is a ldi.l, not
a ldi.s instruction.
Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* interp.c (sim_fetch_register, sim_store_register): Fix bug where
updating the accumulators was overwriting other parts of the global
State variable.
Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* interp.c (bfd.h) Don't include it here any more.
(text{,_start,_end}): Move here from simops.c and make extern.
(decode_pc): New function to return the PC as an address that the
debugger can use.
(dmem_addr): Print decoded PC in error message.
(pc_addr): Ditto.
* simops.c (bfd.h) Don't include it here any more.
(text{,_start,_end}): Move to simops.c.
(trace_input_func): Move decoding of PC, and looking up .text
start to decode_pc.
* d10v_sim.h (bfd.h): Include it here.
(text{,_start,_end}): Add external declarations.
(exec_bfd): Ditto.
(decode_pc): Ditto.
Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* interp.c (sim_size): Now allocates unified memory for imap segments
0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
(sim_write): Just call xfer_mem().
(sim_read): Just call xfer_mem().
(xfer_mem): New function. Does appropriate memory mapping and copies bytes.
(dmem_addr): New function. Reads dmap register and translates data
addresses to local addresses.
(pc_addr): New function. Reads imap register and computes local address
corresponding to contents of the PC.
(sim_resume): Change to use pc_addr().
(sim_create_inferior): Change reinitialization code. Also reinitializes
imap[01] and dmap.
(sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
(sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
* simops.c (MEMPTR): Redefine to use dmem_addr().
(OP_5F00): Replace references to STate.imem with dmem_addr().
* d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
(RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
(IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* d10v_sim.h (_ins_type): Reorganize, so that we can provide
better statistics, like not counting NOPS as parallel
instructions, and printing total cycles.
(ins_type_counters): Make unsigned long.
(left_nops,right_nops): Fold into ins_type_counters.
* simops.c (trace_input_func): Print new instruction types.
Handle OP_R2R3 as input types.
(OP_{38000000,7000}): Correctly sign extend bytes.
(OP_5E00): Don't count NOPs as parallel instructions.
(OP_460B): Remove unused variable.
(OP_5F00): Ditto.
* interp.c (ins_type_counters): Make unsigned long.
(left_nops,right_nops): Delete.
(most functions): Add prototypes.
(INLINE): If GCC and optimize define as __inline__.
({,lookup_}hash,get_operands): Declare as INLINE.
(do_parallel): Count conditional operations.
(add_commas): New function, to add commas every 3 digits.
(sim_size): Call add_commas to print numbers.
(sim_{open,resume}): Delete unused variables.
(sim_info): Provide better statistics.
(sim_read): Add int return type.
Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* interp.c (sim_resume): Change the way single-stepping and exceptions
are handled so single-stepping works again.
Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* endian.c: Optimize simulated loads/stores on x86, AIX, and big
endian hosts.
* configure.in (--enable-sim-bswap): New switch to enable using
the BSWAP instruction on x86's.
* configure: Regenerate.
* Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
support.
Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* endian.c: New file. Move endian functions here from interp.c.
Optimize code, and make it work as either inline functions or as a
separate file.
* interp.c: Move endian functions from here to endian.c.
* Makefile.in (INCLUDE): Add endian.c.
(run,libsim.a): Add dependency on endian.o.
(endian.o): Add dependency.
* d10v_sim.h (read/write support): Always go through the machine
independent endian functions. If compiling with GCC and
optimizing, include endian.c so the endian functions are inlined.
* simops.c (OP_5F00): Correct tracing of accumulators.
Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (OP_5F00): Add support for getpid, kill system calls.
* interp.c (do_{2_short,parallel}): If an exception is raised,
don't execute the second instruction.
Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (OP_{31000000,6601,6201,6200}): Store address in a
temporary in case the register is overriden when loading.
(OP_6200): Output type is OP_DREG for tracing.
Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* d10v_sim.h (struct _state): Add mem_{min,max} fields.
* interp.c (sim_size): Initialize mem_{min,max} fields.
(sim_write): Update mem_{min,max} fields.
(sim_resume): If PC is not in the minimum/maximum memory range,
abort.
(sim_create_inferior): Preserve mem_{min,max} fields.
Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
* simops.c (OP_5F00): Add support for time() system call.
Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
stored if tracing.
(OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
system calls.
Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
(trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
(OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
to call/subroutine returns to trace the first two arguments and
the return value. For small jumps, use CONSTANT8, not CONSTANT16.
Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* interp.c (sim_create_inferior): Reinitialize State every time
sim_create_inferior() is called.
Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
* simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
on comparisons.
(OP_401): Fix tracing information.
Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
(trace_input_func): Use them.
(trace_input_func): Make sure there is a trailing space after the
instruction.
(OP_6200): Fix tracing info.
* Makefile.in (run): Add dependencies on libbfd.a and
libiberity.a.
Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
numbers and function names in debug trace.
(DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
DEBUG_LINE_NUMBER.
(SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
and exit system call trap being executed.
* interp.c (sim_stop_reason): Set exit code correctly for stop
instruction and exit system call trap.
* configure.in (--enable-sim-cflags): Remove trace case.
(--enable-sim-debug): New switch to set the debug values.
* configure: Regenerate.
* simops.c (trace_{input,output}_func): Rename from
trace_{input,output}.
(trace_{input,output}): Call trace_{input,output}_func if
d10v_debug is non-zero.
(SIZE_INSTRUCTION): Cut down to 8.
(SIZE_OPERANDS): Cut down to 18.
(SIZE_LOCATION): New value for size of line number, function name
field.
(init_text_p,text{,_start,_end}): New static variables for
printing line number and function name.
(exec_bfd): New external that run.c sets.
(trace_input_func): Print line number and function name if
available and if desired.
(OP_4E09): Don't print out DBT message.
(OP_5FE0): Set exception field to SIG_D10V_STOP.
(OP_5F00): Set exception field to SIG_D10V_EXIT.
Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* interp.c (do_2_short): If the instruction encodes jump->ins,
don't do the second instruction if the jump succeeds.
Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (OP_5F00): Use unknown traps to print all GPRs,
accumulators, PC, and F0/F1/C flags.
Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
* simops.c (OP_5F00): Fix problems with system calls.
Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (OP_5F00): Correct tracing information for trap.
Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* Makefile.in (CSEARCH): Correctly find opcodes directory.
Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (trace_output): Properly align accumulator output.
(OP_3{0,2,4}00): Properly parenthesize test expression. Add error
if shift count is too high.
(OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
(OP_4E09): Make cpfg properly trace the input flags.
(op_types): Add OP_FLAG_OUTPUT.
(trace_{input,output}): Support OP_FLAG_OUTPUT.
(OP_31000000): This ld2w varient is a 16-bit memory reference, not
an 8-bit memory reference instruction for tracing purposes.
(OP_201): Addi needs to set the carry.
Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* simops.c (OP_2600, OP_2601): Changed min and max comparisons
to use signed register values.
Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
output.
(_ins_type): New enumeration to specify which container an
instruction is in, and whether it is part of a parallel operation.
(_state): Add ins_type field.
({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
(ins_type_counters): Counters for the various instruction types.
({left,right}_nops): Counters for the number of nops in each
container.
(d10v_debug): New variable to indicate whether debugging is turned
on.
* simops.c: (all functions): Change all #ifdef DEBUG code so that
the input and output values can be traced, along with the
instruction type. Make the -t option enable tracing.
(all functions): Change printf calls to use the printf_filtered
function in the callback table.
* interp.c (_leftright): New enumeration to say whether 2 short
instructions are done left first or right first.
(do_{long,2_short,parallel}): Indicate in the machine state which
type of instruction this is. Count each of the types of
instructions executed.
(sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
flag is set.
(sim_resume): Pass left/right indication to do_2_short.
(all functions): Change printf calls to use the printf_filtered
function in the callback table.
(sim_trace): Turn on debug flag if DEBUG was defined, and call
sim_resume.
(sim_info): Print out statistics on instructions.
(sim_{trace,create_inferior}): Eliminate extraneous output unless
debugging.
(sim_open): If args == -t and DEBUG was defined, set d10v_debug.
Only initialize the hash table the first time sim_open is called.
* Makefile.in: Make objects depend on d10v_sim.h.
({,SIM_}CFLAGS): Include configure dependent switches. Setting
CFLAGS does not override host/target defines or SIM_CFLAGS.
(CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
(run): By default, the math library is not needed to be linked
in.
({BFD,LIBIBERTY}_LIB): Define as variables so they can be
overridden.
(VPATH): Don't set to anything but @srcdir@ to work with non-GNU
makes.
({run,callback}.o): Provide explicit paths to their appropriate
source directories.
(gencode{,.o},d10v-opc.o): Split compilation into creating object
and linking. Instead of linking in libopcodes.a, just compile
d10v-opc.o directly to handle canadian cross.
(CSEARCH): Add opcodes directory.
* configure.in (--enable-sim-cflags): New switch to allow user to
set the defaults.
(CC_FOR_BUILD): Deal with canadian crosses.
* configure: Regenerate.
Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
* simops.c: Include correct syscall.h for d10v, not host's.
Fix #ifdef SYS_stat.
Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
Add trap 2 to be printf and trap 3 to be putchar.
Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
* Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
for low-level system calls.
Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* d10v_sim.h (SEXT32): Added.
* interp.c: Commented out printfs.
* simops.c: Fixed error in sb and st2w.
Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
DSP instructions. Added modulo addressing.
Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* d10v_sim.h, simops.c: Snapshot.
Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
gencode.c, interp.c, simops.c: Created.
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