baseboards/mmixware-sim.exp

   1 # Copyright (C) 1997-2019, 2020 Free Software Foundation, Inc.
   2 #
   3 # This file is part of DejaGnu.
   4 #
   5 # DejaGnu is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # DejaGnu is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with DejaGnu; if not, write to the Free Software Foundation,
  17 # Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  18
  19 # This is a list of toolchains that are supported on this board.
  20 set_board_info target_install  {mmix-knuth-mmixware}
  21
  22 # Load the generic configuration for this board. This will define any
  23 # routines needed to communicate with the board.
  24 load_generic_config "sim"
  25
  26 # Unset the slow_simulator flag; this simulator isn't slow.  (I haven't
  27 # found documentation as to what constitutes a "slow" simulator and
  28 # there's no reference to that variable in the GCC test-suite, but all
  29 # tests I've found work.)
  30 unset_board_info slow_simulator
  31
  32 # We don't use basic-sim.exp and setup_sim because the simulator, called
  33 # "mmix", is external to the build tree.  If nobody set the simulator
  34 # name, we set it to "mmix", so the rest of the framework works.  Let $SIM
  35 # override.
  36 if {![board_info $board exists sim]} {
  37     if {[info exists SIM]} {
  38         set_board_info sim $SIM
  39     } else {
  40         # Has to exist in the users path.
  41         set_board_info sim mmix
  42     }
  43 }
  44
  45 # No default multilib options are needed for this board.
  46 process_multilib_options ""
  47
  48 set_board_info is_simulator 1
  49
  50 # It isn't visible in the target triple, so we set it explicitly.  The
  51 # *linked* format is currently mmo, but those cases where this matters we
  52 # can deal with separately.
  53 set_board_info obj_format "elf"
  54
  55 # We only support newlib on this target. We assume that all multilib
  56 # options have been specified before we get here.
  57 set_board_info cflags  "[newlib_include_flags]"
  58
  59 # We put the stack in the code segment, so trampolines work; the mmix
  60 # simulator does not allow code to be executed in the "normal" documented
  61 # data and stack segments.  Use a somewhat magic number, so stack addresses
  62 # are easily recognized when debugging.
  63 set_board_info ldflags "[newlib_link_flags] -Wl,--defsym,__Stack_start=0x1680a00000000000"
  64
  65 # No linker script needed - the simulator is the main environment for this
  66 # target.
  67 set_board_info ldscript ""
  68
  69 # Return codes aren't supported by the simulator.
  70 set_board_info needs_status_wrapper 1