Commit Graph

24 Commits

Author SHA1 Message Date
Mike Frysinger
13a590ca65 sim: use ARRAY_SIZE instead of ad-hoc sizeof calculations 2017-02-13 01:26:21 -05:00
Joel Brobecker
61baf725ec update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00
Joel Brobecker
618f726fcb GDB copyright headers update after running GDB's copyright.py script.
gdb/ChangeLog:

        Update year range in copyright notice of all files.
2016-01-01 08:43:22 +04:00
Nick Clifton
634a9f67d9 Update the RX simulator to handle the latest opcode types.
* rx.c (id_names): Add nop4, nop5, nop6 and nop7.
	(decode_opcode): Likewise.
	(get_op): Handle RX_Operand_Zero_Indirect.
	Handle RX_Bad_Size and RX_MAX_SIZE.
	(put_op): Likewise.
	(N_MAP): Increase to 90.
2015-11-10 16:08:35 +00:00
Joel Brobecker
32d0add0a6 Update year range in copyright notice of all files owned by the GDB project.
gdb/ChangeLog:

        Update year range in copyright notice of all files.
2015-01-01 13:32:14 +04:00
Joel Brobecker
ecd75fc8ee Update Copyright year range in all files maintained by GDB. 2014-01-01 07:54:24 +04:00
Nick Clifton
7f77d948db * rx.c (SHIFT_OP): A shift by zero still sets the condition codes. 2013-06-28 07:19:44 +00:00
Nick Clifton
04e65a62c6 * rx.c (decode_opcode): Handle RXO_satr. 2013-01-16 10:45:22 +00:00
Joel Brobecker
8acc9f485b Update years in copyright notice for the GDB files.
Two modifications:
  1. The addition of 2013 to the copyright year range for every file;
  2. The use of a single year range, instead of potentially multiple
     year ranges, as approved by the FSF.
2013-01-01 06:41:43 +00:00
Joel Brobecker
c5a5708100 Copyright year update in most files of the GDB Project.
gdb/ChangeLog:

        Copyright year update in most files of the GDB Project.
2012-01-04 08:28:28 +00:00
Joel Brobecker
7b6bb8daac run copyright.sh for 2011. 2011-01-01 15:34:07 +00:00
DJ Delorie
45eb4d476d (decode_opcode): RXO_branchrel is relative to the opcode's PC, not
the address following the opcode.
2010-12-14 23:39:03 +00:00
DJ Delorie
29cfc22f89 * rx.c (decode_opcode): For "MVFC PC,", use the address of the
opcode, not the address following the opcode.
2010-12-14 23:12:20 +00:00
DJ Delorie
5cbc4f2ea1 * rx.c (lsb_count): New.
(divu_cycles): New.
(div_cycles): New.
(decode_opcode): Fix cycle count math for div, divu, suntil, and
swhile.
2010-11-12 01:01:12 +00:00
Nick Clifton
5f79eb72c2 * rx.c (decode_opcode: RXO_int): Only break out of the emulation
loop if rx_syscall() does not return a RX_STEPPED result.
2010-09-29 15:47:45 +00:00
Kevin Buettner
e537977262 * rx.c (decode_opcode): Add cycle information for RXO_smovu. 2010-09-24 05:18:23 +00:00
Kevin Buettner
be380a3ea0 * cpu.h (reset_decoder): Declare.
* load.c (rx_load): Call `reset_decoder'.
	* rx.c (reset_decoder): New function.
2010-09-23 23:42:53 +00:00
Kevin Buettner
6607c80d6b * rx.c (decode_opcode): Declare `rx' as unsigned. 2010-09-23 23:26:42 +00:00
DJ Delorie
f9c7014e9c [include/opcode]
* rx.h (RX_Operand_Type): Add TwoReg.
(RX_Opcode_ID): Remove ediv and ediv2.

[opcodes]

* rx-decode.opc (SRR): New.
(rx_decode_opcode): Use it for movbi and movbir.  Decode NOP2 (mov
r0,r0) and NOP3 (max r0,r0) special cases.
* rx-decode.c: Regenerate.

[sim/rx]

* rx.c (decode_cache_base): New.
(id_names): Remove ediv and edivu.
(optype_names): Add TwoReg.
(maybe_get_mem_page): New.
(rx_get_byte): Call it.
(get_op): Add TwoReg support.
(put_op): Likewise.
(PD, PS, PS2, GD, GS, GS2, DSZ, SSZ, S2SZ, US1, US2, OM): "opcode"
is a pointer now.
(DO_RETURN): New.  We use longjmp to return an exception result.
(decode_opcode): Make opcode a pointer to the decode cache.  Save
decoded opcode information and re-use.  Call DO_RETURN instead of
return throughout.  Remove ediv and edivu.
* mem.c (ptdc): New.  Adds decode cache.
(rx_mem_ptr): Support it.
(rx_mem_decode_cache): New.
* mem.h (enum mem_ptr_action): add MPA_DECODE_CACHE.
(rx_mem_decode_cache): Declare.
* gdb-if.c (sim_resume): Add decode_opcode's setjmp logic here...
* main.c (main): ...and here.  Use a fast loop if neither trace
nor disassemble is given.
* cpu.h (RX_MAKE_STEPPED, RX_MAKE_HIT_BREAK, RX_MAKE_EXITED,
RX_MAKE_STOPPED, RX_EXITED, RX_STOPPED): Adjust so that 0 is not a
valid code for anything.
2010-07-29 18:41:28 +00:00
DJ Delorie
933786524e [sim/rx]
* README.txt: New.
* config.h (CYCLE_ACCURATE, CYCLE_STATS): New.
* configure.in (--enable-cycle-accurate, --enable-cycle-stats):
New.  Default to enabled.
* configure: Regenerate.

* cpu.h (regs_type): Add cycle tracking info.
(reset_pipeline_stats): Declare.
(halt_pipeline_stats): Declare.
(pipeline_stats): Declare.
* main.c (done): Call pipeline_stats().
* mem.h (rx_mem_ptr): Moved to here ...
* mem.c (mem_ptr): ... from here.  Rename throughout.
(mem_put_byte): Move LEDs to Port A.  Add Port B to control cycle
statistics.  Move UART to SCI4.
(mem_put_hi): Add TPU 1-2.  TPU 1 and 2 count CPU cycles.
* reg.c (init_regs): Set Rt reg to -1 (no reg).
* rx.c: Add cycle counting and statistics throughout.
(rx_get_byte): Optimize for speed.
(decode_opcode): Likewise.
(reset_pipeline_stats): New.
(halt_pipeline_stats): New.
(pipeline_stats): New.
* trace.c (sim_disasm_one): Print cycle count.

[include/opcode]
* rx.h (RX_Opcode_ID): Add nop2 and nop3 for statistics.
2010-07-28 21:58:22 +00:00
Joel Brobecker
dc3cf14f35 Update copyright notices to add year 2010. 2010-01-01 10:03:36 +00:00
DJ Delorie
feafbb2e30 * rx/rx.c (decode_opcode): btst bit address mask fix. 2009-12-23 03:51:47 +00:00
DJ Delorie
117f2c0dc4 * rx/rx.c (decode_opcode): fix SWHILE logic. 2009-11-30 23:37:39 +00:00
DJ Delorie
4f8d4a3861 [sim]
* rx: New directory.
	* configure.ac: Add entry for Renesas RX.
	* configure: Regenerate.

[include/gdb]
	* sim-rx.h: New.
2009-11-24 19:22:45 +00:00