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.
5 (decode_opcode): RXO_branchrel is relative to the opcode's PC, not
6 the address following the opcode.
8 2010-11-11 DJ Delorie <dj@redhat.com>
10 * rx.c (lsb_count): New.
13 (decode_opcode): Fix cycle count math for div, divu, suntil, and
16 2010-09-29 Kevin Buettner <kevinb@redhat.com>
18 * mem.c (rx_mem_ptr): When invalidating the decode cache, account
19 for the fact that the instruction decoder never uses swapped
22 2010-09-29 Nick Clifton <nickc@redhat.com>
24 * rx.c (decode_opcode: RXO_int): Only break out of the emulation
25 loop if rx_syscall() does not return a RX_STEPPED result.
27 2010-09-23 Kevin Buettner <kevinb@redhat.com>
29 * rx.c (decode_opcode): Add cycle information for RXO_smovu.
31 2010-09-23 Kevin Buettner <kevinb@redhat.com>
33 * fpu.c, gdb-if.c, load.c, misc.c, syscalls.c (config.h): Include.
35 * rx.c (decode_opcode): Declare `tx' as unsigned.
37 * cpu.h (reset_decoder): Declare.
38 * load.c (rx_load): Call `reset_decoder'.
39 * rx.c (reset_decoder): New function.
41 2010-07-29 DJ Delorie <dj@redhat.com>
43 * rx.c (decode_cache_base): New.
44 (id_names): Remove ediv and edivu.
45 (optype_names): Add TwoReg.
46 (maybe_get_mem_page): New.
47 (rx_get_byte): Call it.
48 (get_op): Add TwoReg support.
50 (PD, PS, PS2, GD, GS, GS2, DSZ, SSZ, S2SZ, US1, US2, OM): "opcode"
52 (DO_RETURN): New. We use longjmp to return an exception result.
53 (decode_opcode): Make opcode a pointer to the decode cache. Save
54 decoded opcode information and re-use. Call DO_RETURN instead of
55 return throughout. Remove ediv and edivu.
56 * mem.c (ptdc): New. Adds decode cache.
57 (rx_mem_ptr): Support it.
58 (rx_mem_decode_cache): New.
59 * mem.h (enum mem_ptr_action): add MPA_DECODE_CACHE.
60 (rx_mem_decode_cache): Declare.
61 * gdb-if.c (sim_resume): Add decode_opcode's setjmp logic here...
62 * main.c (main): ...and here. Use a fast loop if neither trace
63 nor disassemble is given.
64 * cpu.h (RX_MAKE_STEPPED, RX_MAKE_HIT_BREAK, RX_MAKE_EXITED,
65 RX_MAKE_STOPPED, RX_EXITED, RX_STOPPED): Adjust so that 0 is not a
66 valid code for anything.
68 2010-07-27 DJ Delorie <dj@redhat.com>
71 * config.h (CYCLE_ACCURATE, CYCLE_STATS): New.
72 * configure.in (--enable-cycle-accurate, --enable-cycle-stats):
73 New. Default to enabled.
74 * configure: Regenerate.
76 * cpu.h (regs_type): Add cycle tracking info.
77 (reset_pipeline_stats): Declare.
78 (halt_pipeline_stats): Declare.
79 (pipeline_stats): Declare.
80 * main.c (done): Call pipeline_stats().
81 * mem.h (rx_mem_ptr): Moved to here ...
82 * mem.c (mem_ptr): ... from here. Rename throughout.
83 (mem_put_byte): Move LEDs to Port A. Add Port B to control cycle
84 statistics. Move UART to SCI4.
85 (mem_put_hi): Add TPU 1-2. TPU 1 and 2 count CPU cycles.
86 * reg.c (init_regs): Set Rt reg to -1 (no reg).
87 * rx.c: Add cycle counting and statistics throughout.
88 (rx_get_byte): Optimize for speed.
89 (decode_opcode): Likewise.
90 (reset_pipeline_stats): New.
91 (halt_pipeline_stats): New.
92 (pipeline_stats): New.
93 * trace.c (sim_disasm_one): Print cycle count.
95 2010-07-07 Kevin Buettner <kevinb@redhat.com>
97 * gdb-if.c (sim_store_register): Add case for sim_rx_acc_regnum.
99 2010-06-24 Kevin Buettner <kevinb@redhat.com>
101 * gdb-if.c (trace.h): Include.
102 (reg_size, sim_fetch_register): Add cases for sim_rx_acc_regnum.
104 2010-06-07 Nick Clifton <nickc@redhat.com>
106 * reg.c (set_oszc): Use unsigned int for the mask.
107 (set_szc, set_osz, set_sz): Likewise.
109 2010-05-28 Kevin Buettner <kevinb@redhat.com>
111 * gdb-if.c (sim_do_command): Add a "sim verbose noisy" command.
113 2010-04-14 Mike Frysinger <vapier@gentoo.org>
115 * gdb-if.c (sim_write): Add const to buf arg.
117 2010-01-30 Masaki Muranaka <monaka@monami-software.com>
119 * configure.in: Check if the host has getopt.h.
120 * configure: Regenerate.
121 * config.in: Regenerate.
122 * main.c: Include config.h.
123 Use HAVE_STDLIB_H, HAVE_UNISTD_H, HAVE_GETOPT_H.
124 Include getopt.h in case HAVE_GETOPT_H is defined.
126 2009-12-22 Yoshinori Sato <ysato@users.sourceforge.jp>
128 * rx/rx.c (decode_opcode): btst bit address mask fix.
130 2009-11-30 DJ Delorie <dj@redhat.com>
132 * rx/rx.c (decode_opcode): fix SWHILE logic.
134 2009-10-27 DJ Delorie <dj@redhat.com>
135 Kevin Buettner <kevinb@redhat.com>