sim/rx/ChangeLog

   1 2010-09-29  Nick Clifton  <nickc@redhat.com>
   2
   3         * rx.c (decode_opcode: RXO_int): Only break out of the emulation
   4         loop if rx_syscall() does not return a RX_STEPPED result.
   5
   6 2010-09-23  Kevin Buettner  <kevinb@redhat.com>
   7
   8         * rx.c (decode_opcode): Add cycle information for RXO_smovu.
   9
  10 2010-09-23  Kevin Buettner  <kevinb@redhat.com>
  11
  12         * fpu.c, gdb-if.c, load.c, misc.c, syscalls.c (config.h): Include.
  13
  14         * rx.c (decode_opcode): Declare `tx' as unsigned.
  15
  16         * cpu.h (reset_decoder): Declare.
  17         * load.c (rx_load): Call `reset_decoder'.
  18         * rx.c (reset_decoder): New function.
  19
  20 2010-07-29  DJ Delorie  <dj@redhat.com>
  21
  22         * rx.c (decode_cache_base): New.
  23         (id_names): Remove ediv and edivu.
  24         (optype_names): Add TwoReg.
  25         (maybe_get_mem_page): New.
  26         (rx_get_byte): Call it.
  27         (get_op): Add TwoReg support.
  28         (put_op): Likewise.
  29         (PD, PS, PS2, GD, GS, GS2, DSZ, SSZ, S2SZ, US1, US2, OM): "opcode"
  30         is a pointer now.
  31         (DO_RETURN): New.  We use longjmp to return an exception result.
  32         (decode_opcode): Make opcode a pointer to the decode cache.  Save
  33         decoded opcode information and re-use.  Call DO_RETURN instead of
  34         return throughout.  Remove ediv and edivu.
  35         * mem.c (ptdc): New.  Adds decode cache.
  36         (rx_mem_ptr): Support it.
  37         (rx_mem_decode_cache): New.
  38         * mem.h (enum mem_ptr_action): add MPA_DECODE_CACHE.
  39         (rx_mem_decode_cache): Declare.
  40         * gdb-if.c (sim_resume): Add decode_opcode's setjmp logic here...
  41         * main.c (main): ...and here.  Use a fast loop if neither trace
  42         nor disassemble is given.
  43         * cpu.h (RX_MAKE_STEPPED, RX_MAKE_HIT_BREAK, RX_MAKE_EXITED,
  44         RX_MAKE_STOPPED, RX_EXITED, RX_STOPPED): Adjust so that 0 is not a
  45         valid code for anything.
  46
  47 2010-07-27  DJ Delorie  <dj@redhat.com>
  48
  49         * README.txt: New.
  50         * config.h (CYCLE_ACCURATE, CYCLE_STATS): New.
  51         * configure.in (--enable-cycle-accurate, --enable-cycle-stats):
  52         New.  Default to enabled.
  53         * configure: Regenerate.
  54
  55         * cpu.h (regs_type): Add cycle tracking info.
  56         (reset_pipeline_stats): Declare.
  57         (halt_pipeline_stats): Declare.
  58         (pipeline_stats): Declare.
  59         * main.c (done): Call pipeline_stats().
  60         * mem.h (rx_mem_ptr): Moved to here ...
  61         * mem.c (mem_ptr): ... from here.  Rename throughout.
  62         (mem_put_byte): Move LEDs to Port A.  Add Port B to control cycle
  63         statistics.  Move UART to SCI4.
  64         (mem_put_hi): Add TPU 1-2.  TPU 1 and 2 count CPU cycles.
  65         * reg.c (init_regs): Set Rt reg to -1 (no reg).
  66         * rx.c: Add cycle counting and statistics throughout.
  67         (rx_get_byte): Optimize for speed.
  68         (decode_opcode): Likewise.
  69         (reset_pipeline_stats): New.
  70         (halt_pipeline_stats): New.
  71         (pipeline_stats): New.
  72         * trace.c (sim_disasm_one): Print cycle count.
  73
  74 2010-07-07  Kevin Buettner  <kevinb@redhat.com>
  75
  76         * gdb-if.c (sim_store_register): Add case for sim_rx_acc_regnum.
  77
  78 2010-06-24  Kevin Buettner  <kevinb@redhat.com>
  79
  80         * gdb-if.c (trace.h): Include.
  81         (reg_size, sim_fetch_register): Add cases for sim_rx_acc_regnum.
  82
  83 2010-06-07  Nick Clifton  <nickc@redhat.com>
  84
  85         * reg.c (set_oszc): Use unsigned int for the mask.
  86         (set_szc, set_osz, set_sz): Likewise.
  87
  88 2010-05-28  Kevin Buettner  <kevinb@redhat.com>
  89
  90         * gdb-if.c (sim_do_command): Add a "sim verbose noisy" command.
  91
  92 2010-04-14  Mike Frysinger  <vapier@gentoo.org>
  93
  94         * gdb-if.c (sim_write): Add const to buf arg.
  95
  96 2010-01-30  Masaki Muranaka  <monaka@monami-software.com>
  97
  98         * configure.in: Check if the host has getopt.h.
  99         * configure: Regenerate.
 100         * config.in: Regenerate.
 101         * main.c: Include config.h.
 102         Use HAVE_STDLIB_H, HAVE_UNISTD_H, HAVE_GETOPT_H.
 103         Include getopt.h in case HAVE_GETOPT_H is defined.
 104
 105 2009-12-22  Yoshinori Sato  <ysato@users.sourceforge.jp>
 106
 107         * rx/rx.c (decode_opcode): btst bit address mask fix.
 108
 109 2009-11-30  DJ Delorie  <dj@redhat.com>
 110
 111         * rx/rx.c (decode_opcode): fix SWHILE logic.
 112
 113 2009-10-27  DJ Delorie  <dj@redhat.com>
 114             Kevin Buettner <kevinb@redhat.com>
 115
 116         * load.h: New.
 117         * rx.c: New.
 118         * syscalls.c: New.
 119         * syscalls.h: New.
 120         * load.c: New.
 121         * configure.in: New.
 122         * gdb-if.c: New.
 123         * err.c: New.
 124         * cpu.h: New.
 125         * Makefile.in: New.
 126         * fpu.c: New.
 127         * mem.c: New.
 128         * config.in: New.
 129         * err.h: New.
 130         * reg.c: New.
 131         * mem.h: New.
 132         * main.c: New.
 133         * misc.h: New.
 134         * trace.c: New.
 135         * misc.c: New.
 136         * syscall.h: New.
 137         * trace.h: New.
 138         * fpu.h: New.