511 lines
19 KiB
Text
511 lines
19 KiB
Text
Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
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* interp.c (sim_open): Undo patch to add -E support.
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Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* interp.c (sim_stop): New function.
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Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
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* Makefile.in (SIM_OBJS): Add sim-load.o.
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* d10v_sim.h (exec_bfd): Rename to prog_bfd.
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* interp.c: #include bfd.h.
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(myname, sim_kind, start_address): New static locals.
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(prog_bfd_was_opened_p, prog_bfd): New static locals.
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(decode_pc): Update to use prog_bfd.
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(sim_open): Set sim_kind, myname. Ignore -E arg.
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(sim_close): Close prog_bfd if simulator opened it.
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(sim_create_inferior): Return SIM_RC. Delete arg start_address.
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(sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
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Call sim_load_file to load file into simulator.
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* simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
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Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* simops.c (OP_5F00): Only provide system calls SYS_execv,
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SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
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Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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* config.in: Ditto.
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Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
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* interp.c (sim_open): New arg `kind'.
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
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* configure: Re-generate.
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Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
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* configure: Regenerate to track ../common/aclocal.m4 changes.
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* simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
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as trap 0, which will be deprecated. Only set errno, if an error
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in fact was returned.
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Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
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* interp.c: Delete redundant prototypes of sim_foo fns.
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(sim_open): New SIM_DESC result. Argument is now in argv form.
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(other sim_*): New SIM_DESC argument.
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Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
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* simops.c (trace_{input,output}_func): Call flush_stdout from the
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callback functions.
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(OP_5F00): Ditto.
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(OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
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(OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
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setting the carry bit after an add or a subtract.
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Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
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* simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
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40 bits of accumulators. Sign/zero extend as appropriate.
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Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
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* Makefile.in (@COMMON_MAKEFILE_FRAG): Use
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COMMON_{PRE,POST}_CONFIG_FRAG instead.
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* configure.in: sinclude ../common/aclocal.m4.
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* configure: Regenerated.
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Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
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* configure configure.in Makefile.in: Update to new configure
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scheme which is more compatible with WinGDB builds.
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* configure.in: Improve comment on how to run autoconf.
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* configure: Re-run autoconf to get new ../common/aclocal.m4.
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* Makefile.in: Use autoconf substitution to install common
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makefile fragment.
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Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
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* gencode.c: patch to not #include "d10v_sim.h" which
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unecessarily includes bfd.h and causes wingdb configure
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to fail.
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Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
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* interp.c (xfer_mem): Change unified memory to 0x0.
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Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* simops.c (OP_3E01): Fix tracing information.
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(OP_300{0,1}): Do not propigate sign.
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Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
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* config.in (WORDS_BIGENDIAN): Add.
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* configure: Regenerated.
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* d10v_sim.h: #include "config.h"
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Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* gencode.c (write_opcodes): Eliminate warnings when generated
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table.c is compiled.
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Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* interp.c (sim_open): Cast result of calloc, and make sure NULL
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was not returned.
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(dmem_addr): If address is illegal or in I/O space, signal a bus
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error.
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(pc_addr): Signal bus error, not illegal instruction for bogus
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pc.
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Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
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* Makefile.in: Delete all stuff moved to ../common/Make-common.in.
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(SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
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* configure.in: Simplify using macros in ../common/aclocal.m4.
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Call AC_CHECK_HEADERS(unistd.h).
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* configure: Regenerated.
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* config.in: New file.
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* interp.c: #include "callback.h".
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* simops.c: #include "config.h". #include <unistd.h> if present.
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Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
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* d10v-sim.h (simops): Add flag is_long.
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(State): Add pc_changed. Instructions which update the PC should
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use the JMP macro which sets this.
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(JMP): New macro. Sets the PC and the pc_changed flag.
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* gencode.c (write_opcodes): Add is_long field.
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* interp.c (lookup_hash): If we blindly apply a short opcode's mask
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to a long opcode we could get a false match. Check the opcode size.
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(hash): Add a size field to the hash table.
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(sim_open): Initialize size field in hash table.
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(sim_resume): Change to logic for setting the PC. Used to increment the
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PC if it had not been changed. This didn't allow single-instruction loops.
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Now checks the flag State.pc_changed. Also now stops when ^C is received.
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(dmem_addr): Fix translation of data segments to unified memory.
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(sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
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* simops.c: Changed all branch and jump instructions to use new JMP macro.
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(OP_20000000): Corrected trace information to show this is a ldi.l, not
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a ldi.s instruction.
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Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
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* interp.c (sim_fetch_register, sim_store_register): Fix bug where
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updating the accumulators was overwriting other parts of the global
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State variable.
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Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* interp.c (bfd.h) Don't include it here any more.
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(text{,_start,_end}): Move here from simops.c and make extern.
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(decode_pc): New function to return the PC as an address that the
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debugger can use.
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(dmem_addr): Print decoded PC in error message.
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(pc_addr): Ditto.
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* simops.c (bfd.h) Don't include it here any more.
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(text{,_start,_end}): Move to simops.c.
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(trace_input_func): Move decoding of PC, and looking up .text
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start to decode_pc.
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* d10v_sim.h (bfd.h): Include it here.
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(text{,_start,_end}): Add external declarations.
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(exec_bfd): Ditto.
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(decode_pc): Ditto.
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Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
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* interp.c (sim_size): Now allocates unified memory for imap segments
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0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
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(sim_write): Just call xfer_mem().
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(sim_read): Just call xfer_mem().
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(xfer_mem): New function. Does appropriate memory mapping and copies bytes.
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(dmem_addr): New function. Reads dmap register and translates data
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addresses to local addresses.
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(pc_addr): New function. Reads imap register and computes local address
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corresponding to contents of the PC.
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(sim_resume): Change to use pc_addr().
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(sim_create_inferior): Change reinitialization code. Also reinitializes
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imap[01] and dmap.
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(sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
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(sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
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* simops.c (MEMPTR): Redefine to use dmem_addr().
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(OP_5F00): Replace references to STate.imem with dmem_addr().
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* d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
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(RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
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(IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
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Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* d10v_sim.h (_ins_type): Reorganize, so that we can provide
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better statistics, like not counting NOPS as parallel
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instructions, and printing total cycles.
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(ins_type_counters): Make unsigned long.
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(left_nops,right_nops): Fold into ins_type_counters.
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* simops.c (trace_input_func): Print new instruction types.
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Handle OP_R2R3 as input types.
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(OP_{38000000,7000}): Correctly sign extend bytes.
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(OP_5E00): Don't count NOPs as parallel instructions.
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(OP_460B): Remove unused variable.
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(OP_5F00): Ditto.
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* interp.c (ins_type_counters): Make unsigned long.
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(left_nops,right_nops): Delete.
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(most functions): Add prototypes.
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(INLINE): If GCC and optimize define as __inline__.
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({,lookup_}hash,get_operands): Declare as INLINE.
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(do_parallel): Count conditional operations.
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(add_commas): New function, to add commas every 3 digits.
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(sim_size): Call add_commas to print numbers.
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(sim_{open,resume}): Delete unused variables.
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(sim_info): Provide better statistics.
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(sim_read): Add int return type.
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Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
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* interp.c (sim_resume): Change the way single-stepping and exceptions
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are handled so single-stepping works again.
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Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* endian.c: Optimize simulated loads/stores on x86, AIX, and big
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endian hosts.
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* configure.in (--enable-sim-bswap): New switch to enable using
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the BSWAP instruction on x86's.
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* configure: Regenerate.
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* Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
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support.
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Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* endian.c: New file. Move endian functions here from interp.c.
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Optimize code, and make it work as either inline functions or as a
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separate file.
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* interp.c: Move endian functions from here to endian.c.
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* Makefile.in (INCLUDE): Add endian.c.
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(run,libsim.a): Add dependency on endian.o.
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(endian.o): Add dependency.
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* d10v_sim.h (read/write support): Always go through the machine
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independent endian functions. If compiling with GCC and
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optimizing, include endian.c so the endian functions are inlined.
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* simops.c (OP_5F00): Correct tracing of accumulators.
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Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* simops.c (OP_5F00): Add support for getpid, kill system calls.
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* interp.c (do_{2_short,parallel}): If an exception is raised,
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don't execute the second instruction.
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Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* simops.c (OP_{31000000,6601,6201,6200}): Store address in a
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temporary in case the register is overriden when loading.
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(OP_6200): Output type is OP_DREG for tracing.
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Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* d10v_sim.h (struct _state): Add mem_{min,max} fields.
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* interp.c (sim_size): Initialize mem_{min,max} fields.
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(sim_write): Update mem_{min,max} fields.
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(sim_resume): If PC is not in the minimum/maximum memory range,
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abort.
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(sim_create_inferior): Preserve mem_{min,max} fields.
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Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
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* simops.c (OP_5F00): Add support for time() system call.
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Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
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stored if tracing.
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(OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
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system calls.
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Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
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(trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
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(OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
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to call/subroutine returns to trace the first two arguments and
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the return value. For small jumps, use CONSTANT8, not CONSTANT16.
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Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
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* interp.c (sim_create_inferior): Reinitialize State every time
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sim_create_inferior() is called.
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Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
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* simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
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on comparisons.
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(OP_401): Fix tracing information.
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Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
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(trace_input_func): Use them.
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(trace_input_func): Make sure there is a trailing space after the
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instruction.
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(OP_6200): Fix tracing info.
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* Makefile.in (run): Add dependencies on libbfd.a and
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libiberity.a.
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Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
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numbers and function names in debug trace.
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(DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
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DEBUG_LINE_NUMBER.
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(SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
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and exit system call trap being executed.
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* interp.c (sim_stop_reason): Set exit code correctly for stop
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instruction and exit system call trap.
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* configure.in (--enable-sim-cflags): Remove trace case.
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(--enable-sim-debug): New switch to set the debug values.
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* configure: Regenerate.
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* simops.c (trace_{input,output}_func): Rename from
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trace_{input,output}.
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(trace_{input,output}): Call trace_{input,output}_func if
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d10v_debug is non-zero.
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(SIZE_INSTRUCTION): Cut down to 8.
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(SIZE_OPERANDS): Cut down to 18.
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(SIZE_LOCATION): New value for size of line number, function name
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field.
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(init_text_p,text{,_start,_end}): New static variables for
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printing line number and function name.
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(exec_bfd): New external that run.c sets.
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(trace_input_func): Print line number and function name if
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available and if desired.
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(OP_4E09): Don't print out DBT message.
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(OP_5FE0): Set exception field to SIG_D10V_STOP.
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(OP_5F00): Set exception field to SIG_D10V_EXIT.
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Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* interp.c (do_2_short): If the instruction encodes jump->ins,
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don't do the second instruction if the jump succeeds.
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Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* simops.c (OP_5F00): Use unknown traps to print all GPRs,
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accumulators, PC, and F0/F1/C flags.
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Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
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* simops.c (OP_5F00): Fix problems with system calls.
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Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* simops.c (OP_5F00): Correct tracing information for trap.
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Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* Makefile.in (CSEARCH): Correctly find opcodes directory.
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Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* simops.c (trace_output): Properly align accumulator output.
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(OP_3{0,2,4}00): Properly parenthesize test expression. Add error
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if shift count is too high.
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(OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
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(OP_4E09): Make cpfg properly trace the input flags.
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(op_types): Add OP_FLAG_OUTPUT.
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(trace_{input,output}): Support OP_FLAG_OUTPUT.
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(OP_31000000): This ld2w varient is a 16-bit memory reference, not
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an 8-bit memory reference instruction for tracing purposes.
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(OP_201): Addi needs to set the carry.
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Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
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* simops.c (OP_2600, OP_2601): Changed min and max comparisons
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to use signed register values.
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Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
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output.
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(_ins_type): New enumeration to specify which container an
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instruction is in, and whether it is part of a parallel operation.
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(_state): Add ins_type field.
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({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
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(ins_type_counters): Counters for the various instruction types.
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({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.
|
|
|