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Diffstat (limited to 'sim/d10v/ChangeLog')
-rw-r--r-- | sim/d10v/ChangeLog | 967 |
1 files changed, 0 insertions, 967 deletions
diff --git a/sim/d10v/ChangeLog b/sim/d10v/ChangeLog deleted file mode 100644 index d8923c8..0000000 --- a/sim/d10v/ChangeLog +++ /dev/null @@ -1,967 +0,0 @@ -1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com) - - * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation - comparison. - (OP_5607): Ditto. - (OP_2A00): Ditto. - (OP_2800): Ditto. - -1999-01-13 Jason Molenda (jsm@bugshack.cygnus.com) - - * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation - comparison. - -Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * simops.c (sys/syscall.h): Include targ-vals.h instead. - (SYS_*): Replace with TARGET_SYS_*. - - * Makefile.in: Add dependency on targ-vals.h. - (NL_TARGET): Define as NL_TARGET_d10v. - -Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com> - - * interp.c (xfer_mem): Missing break, instruction memory case - flowed into unified memory case. - -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. - |