1 2010-12-14 DJ Delorie <dj@redhat.com>
3 * rx.c (decode_opcode): For "MVFC PC,", use the address of the
4 opcode, not the address following the opcode.
6 2010-11-11 DJ Delorie <dj@redhat.com>
8 * rx.c (lsb_count): New.
11 (decode_opcode): Fix cycle count math for div, divu, suntil, and
14 2010-09-29 Kevin Buettner <kevinb@redhat.com>
16 * mem.c (rx_mem_ptr): When invalidating the decode cache, account
17 for the fact that the instruction decoder never uses swapped
20 2010-09-29 Nick Clifton <nickc@redhat.com>
22 * rx.c (decode_opcode: RXO_int): Only break out of the emulation
23 loop if rx_syscall() does not return a RX_STEPPED result.
25 2010-09-23 Kevin Buettner <kevinb@redhat.com>
27 * rx.c (decode_opcode): Add cycle information for RXO_smovu.
29 2010-09-23 Kevin Buettner <kevinb@redhat.com>
31 * fpu.c, gdb-if.c, load.c, misc.c, syscalls.c (config.h): Include.
33 * rx.c (decode_opcode): Declare `tx' as unsigned.
35 * cpu.h (reset_decoder): Declare.
36 * load.c (rx_load): Call `reset_decoder'.
37 * rx.c (reset_decoder): New function.
39 2010-07-29 DJ Delorie <dj@redhat.com>
41 * rx.c (decode_cache_base): New.
42 (id_names): Remove ediv and edivu.
43 (optype_names): Add TwoReg.
44 (maybe_get_mem_page): New.
45 (rx_get_byte): Call it.
46 (get_op): Add TwoReg support.
48 (PD, PS, PS2, GD, GS, GS2, DSZ, SSZ, S2SZ, US1, US2, OM): "opcode"
50 (DO_RETURN): New. We use longjmp to return an exception result.
51 (decode_opcode): Make opcode a pointer to the decode cache. Save
52 decoded opcode information and re-use. Call DO_RETURN instead of
53 return throughout. Remove ediv and edivu.
54 * mem.c (ptdc): New. Adds decode cache.
55 (rx_mem_ptr): Support it.
56 (rx_mem_decode_cache): New.
57 * mem.h (enum mem_ptr_action): add MPA_DECODE_CACHE.
58 (rx_mem_decode_cache): Declare.
59 * gdb-if.c (sim_resume): Add decode_opcode's setjmp logic here...
60 * main.c (main): ...and here. Use a fast loop if neither trace
61 nor disassemble is given.
62 * cpu.h (RX_MAKE_STEPPED, RX_MAKE_HIT_BREAK, RX_MAKE_EXITED,
63 RX_MAKE_STOPPED, RX_EXITED, RX_STOPPED): Adjust so that 0 is not a
64 valid code for anything.
66 2010-07-27 DJ Delorie <dj@redhat.com>
69 * config.h (CYCLE_ACCURATE, CYCLE_STATS): New.
70 * configure.in (--enable-cycle-accurate, --enable-cycle-stats):
71 New. Default to enabled.
72 * configure: Regenerate.
74 * cpu.h (regs_type): Add cycle tracking info.
75 (reset_pipeline_stats): Declare.
76 (halt_pipeline_stats): Declare.
77 (pipeline_stats): Declare.
78 * main.c (done): Call pipeline_stats().
79 * mem.h (rx_mem_ptr): Moved to here ...
80 * mem.c (mem_ptr): ... from here. Rename throughout.
81 (mem_put_byte): Move LEDs to Port A. Add Port B to control cycle
82 statistics. Move UART to SCI4.
83 (mem_put_hi): Add TPU 1-2. TPU 1 and 2 count CPU cycles.
84 * reg.c (init_regs): Set Rt reg to -1 (no reg).
85 * rx.c: Add cycle counting and statistics throughout.
86 (rx_get_byte): Optimize for speed.
87 (decode_opcode): Likewise.
88 (reset_pipeline_stats): New.
89 (halt_pipeline_stats): New.
90 (pipeline_stats): New.
91 * trace.c (sim_disasm_one): Print cycle count.
93 2010-07-07 Kevin Buettner <kevinb@redhat.com>
95 * gdb-if.c (sim_store_register): Add case for sim_rx_acc_regnum.
97 2010-06-24 Kevin Buettner <kevinb@redhat.com>
99 * gdb-if.c (trace.h): Include.
100 (reg_size, sim_fetch_register): Add cases for sim_rx_acc_regnum.
102 2010-06-07 Nick Clifton <nickc@redhat.com>
104 * reg.c (set_oszc): Use unsigned int for the mask.
105 (set_szc, set_osz, set_sz): Likewise.
107 2010-05-28 Kevin Buettner <kevinb@redhat.com>
109 * gdb-if.c (sim_do_command): Add a "sim verbose noisy" command.
111 2010-04-14 Mike Frysinger <vapier@gentoo.org>
113 * gdb-if.c (sim_write): Add const to buf arg.
115 2010-01-30 Masaki Muranaka <monaka@monami-software.com>
117 * configure.in: Check if the host has getopt.h.
118 * configure: Regenerate.
119 * config.in: Regenerate.
120 * main.c: Include config.h.
121 Use HAVE_STDLIB_H, HAVE_UNISTD_H, HAVE_GETOPT_H.
122 Include getopt.h in case HAVE_GETOPT_H is defined.
124 2009-12-22 Yoshinori Sato <ysato@users.sourceforge.jp>
126 * rx/rx.c (decode_opcode): btst bit address mask fix.
128 2009-11-30 DJ Delorie <dj@redhat.com>
130 * rx/rx.c (decode_opcode): fix SWHILE logic.
132 2009-10-27 DJ Delorie <dj@redhat.com>
133 Kevin Buettner <kevinb@redhat.com>