1 2010-11-11 DJ Delorie <dj@redhat.com>
3 * rx.c (lsb_count): New.
6 (decode_opcode): Fix cycle count math for div, divu, suntil, and
9 2010-09-29 Kevin Buettner <kevinb@redhat.com>
11 * mem.c (rx_mem_ptr): When invalidating the decode cache, account
12 for the fact that the instruction decoder never uses swapped
15 2010-09-29 Nick Clifton <nickc@redhat.com>
17 * rx.c (decode_opcode: RXO_int): Only break out of the emulation
18 loop if rx_syscall() does not return a RX_STEPPED result.
20 2010-09-23 Kevin Buettner <kevinb@redhat.com>
22 * rx.c (decode_opcode): Add cycle information for RXO_smovu.
24 2010-09-23 Kevin Buettner <kevinb@redhat.com>
26 * fpu.c, gdb-if.c, load.c, misc.c, syscalls.c (config.h): Include.
28 * rx.c (decode_opcode): Declare `tx' as unsigned.
30 * cpu.h (reset_decoder): Declare.
31 * load.c (rx_load): Call `reset_decoder'.
32 * rx.c (reset_decoder): New function.
34 2010-07-29 DJ Delorie <dj@redhat.com>
36 * rx.c (decode_cache_base): New.
37 (id_names): Remove ediv and edivu.
38 (optype_names): Add TwoReg.
39 (maybe_get_mem_page): New.
40 (rx_get_byte): Call it.
41 (get_op): Add TwoReg support.
43 (PD, PS, PS2, GD, GS, GS2, DSZ, SSZ, S2SZ, US1, US2, OM): "opcode"
45 (DO_RETURN): New. We use longjmp to return an exception result.
46 (decode_opcode): Make opcode a pointer to the decode cache. Save
47 decoded opcode information and re-use. Call DO_RETURN instead of
48 return throughout. Remove ediv and edivu.
49 * mem.c (ptdc): New. Adds decode cache.
50 (rx_mem_ptr): Support it.
51 (rx_mem_decode_cache): New.
52 * mem.h (enum mem_ptr_action): add MPA_DECODE_CACHE.
53 (rx_mem_decode_cache): Declare.
54 * gdb-if.c (sim_resume): Add decode_opcode's setjmp logic here...
55 * main.c (main): ...and here. Use a fast loop if neither trace
56 nor disassemble is given.
57 * cpu.h (RX_MAKE_STEPPED, RX_MAKE_HIT_BREAK, RX_MAKE_EXITED,
58 RX_MAKE_STOPPED, RX_EXITED, RX_STOPPED): Adjust so that 0 is not a
59 valid code for anything.
61 2010-07-27 DJ Delorie <dj@redhat.com>
64 * config.h (CYCLE_ACCURATE, CYCLE_STATS): New.
65 * configure.in (--enable-cycle-accurate, --enable-cycle-stats):
66 New. Default to enabled.
67 * configure: Regenerate.
69 * cpu.h (regs_type): Add cycle tracking info.
70 (reset_pipeline_stats): Declare.
71 (halt_pipeline_stats): Declare.
72 (pipeline_stats): Declare.
73 * main.c (done): Call pipeline_stats().
74 * mem.h (rx_mem_ptr): Moved to here ...
75 * mem.c (mem_ptr): ... from here. Rename throughout.
76 (mem_put_byte): Move LEDs to Port A. Add Port B to control cycle
77 statistics. Move UART to SCI4.
78 (mem_put_hi): Add TPU 1-2. TPU 1 and 2 count CPU cycles.
79 * reg.c (init_regs): Set Rt reg to -1 (no reg).
80 * rx.c: Add cycle counting and statistics throughout.
81 (rx_get_byte): Optimize for speed.
82 (decode_opcode): Likewise.
83 (reset_pipeline_stats): New.
84 (halt_pipeline_stats): New.
85 (pipeline_stats): New.
86 * trace.c (sim_disasm_one): Print cycle count.
88 2010-07-07 Kevin Buettner <kevinb@redhat.com>
90 * gdb-if.c (sim_store_register): Add case for sim_rx_acc_regnum.
92 2010-06-24 Kevin Buettner <kevinb@redhat.com>
94 * gdb-if.c (trace.h): Include.
95 (reg_size, sim_fetch_register): Add cases for sim_rx_acc_regnum.
97 2010-06-07 Nick Clifton <nickc@redhat.com>
99 * reg.c (set_oszc): Use unsigned int for the mask.
100 (set_szc, set_osz, set_sz): Likewise.
102 2010-05-28 Kevin Buettner <kevinb@redhat.com>
104 * gdb-if.c (sim_do_command): Add a "sim verbose noisy" command.
106 2010-04-14 Mike Frysinger <vapier@gentoo.org>
108 * gdb-if.c (sim_write): Add const to buf arg.
110 2010-01-30 Masaki Muranaka <monaka@monami-software.com>
112 * configure.in: Check if the host has getopt.h.
113 * configure: Regenerate.
114 * config.in: Regenerate.
115 * main.c: Include config.h.
116 Use HAVE_STDLIB_H, HAVE_UNISTD_H, HAVE_GETOPT_H.
117 Include getopt.h in case HAVE_GETOPT_H is defined.
119 2009-12-22 Yoshinori Sato <ysato@users.sourceforge.jp>
121 * rx/rx.c (decode_opcode): btst bit address mask fix.
123 2009-11-30 DJ Delorie <dj@redhat.com>
125 * rx/rx.c (decode_opcode): fix SWHILE logic.
127 2009-10-27 DJ Delorie <dj@redhat.com>
128 Kevin Buettner <kevinb@redhat.com>