sim/rx/ChangeLog

   1 2010-11-11  DJ Delorie  <dj@redhat.com>
   2
   3         * rx.c (lsb_count): New.
   4         (divu_cycles): New.
   5         (div_cycles): New.
   6         (decode_opcode): Fix cycle count math for div, divu, suntil, and
   7         swhile.
   8
   9 2010-09-29  Kevin Buettner  <kevinb@redhat.com>
  10
  11         * mem.c (rx_mem_ptr): When invalidating the decode cache, account
  12         for the fact that the instruction decoder never uses swapped
  13         addresses.
  14
  15 2010-09-29  Nick Clifton  <nickc@redhat.com>
  16
  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.
  19
  20 2010-09-23  Kevin Buettner  <kevinb@redhat.com>
  21
  22         * rx.c (decode_opcode): Add cycle information for RXO_smovu.
  23
  24 2010-09-23  Kevin Buettner  <kevinb@redhat.com>
  25
  26         * fpu.c, gdb-if.c, load.c, misc.c, syscalls.c (config.h): Include.
  27
  28         * rx.c (decode_opcode): Declare `tx' as unsigned.
  29
  30         * cpu.h (reset_decoder): Declare.
  31         * load.c (rx_load): Call `reset_decoder'.
  32         * rx.c (reset_decoder): New function.
  33
  34 2010-07-29  DJ Delorie  <dj@redhat.com>
  35
  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.
  42         (put_op): Likewise.
  43         (PD, PS, PS2, GD, GS, GS2, DSZ, SSZ, S2SZ, US1, US2, OM): "opcode"
  44         is a pointer now.
  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.
  60
  61 2010-07-27  DJ Delorie  <dj@redhat.com>
  62
  63         * README.txt: New.
  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.
  68
  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.
  87
  88 2010-07-07  Kevin Buettner  <kevinb@redhat.com>
  89
  90         * gdb-if.c (sim_store_register): Add case for sim_rx_acc_regnum.
  91
  92 2010-06-24  Kevin Buettner  <kevinb@redhat.com>
  93
  94         * gdb-if.c (trace.h): Include.
  95         (reg_size, sim_fetch_register): Add cases for sim_rx_acc_regnum.
  96
  97 2010-06-07  Nick Clifton  <nickc@redhat.com>
  98
  99         * reg.c (set_oszc): Use unsigned int for the mask.
 100         (set_szc, set_osz, set_sz): Likewise.
 101
 102 2010-05-28  Kevin Buettner  <kevinb@redhat.com>
 103
 104         * gdb-if.c (sim_do_command): Add a "sim verbose noisy" command.
 105
 106 2010-04-14  Mike Frysinger  <vapier@gentoo.org>
 107
 108         * gdb-if.c (sim_write): Add const to buf arg.
 109
 110 2010-01-30  Masaki Muranaka  <monaka@monami-software.com>
 111
 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.
 118
 119 2009-12-22  Yoshinori Sato  <ysato@users.sourceforge.jp>
 120
 121         * rx/rx.c (decode_opcode): btst bit address mask fix.
 122
 123 2009-11-30  DJ Delorie  <dj@redhat.com>
 124
 125         * rx/rx.c (decode_opcode): fix SWHILE logic.
 126
 127 2009-10-27  DJ Delorie  <dj@redhat.com>
 128             Kevin Buettner <kevinb@redhat.com>
 129
 130         * load.h: New.
 131         * rx.c: New.
 132         * syscalls.c: New.
 133         * syscalls.h: New.
 134         * load.c: New.
 135         * configure.in: New.
 136         * gdb-if.c: New.
 137         * err.c: New.
 138         * cpu.h: New.
 139         * Makefile.in: New.
 140         * fpu.c: New.
 141         * mem.c: New.
 142         * config.in: New.
 143         * err.h: New.
 144         * reg.c: New.
 145         * mem.h: New.
 146         * main.c: New.
 147         * misc.h: New.
 148         * trace.c: New.
 149         * misc.c: New.
 150         * syscall.h: New.
 151         * trace.h: New.
 152         * fpu.h: New.