baseboards/pru-sim.exp - dejagnu - Git at Google

 # Copyright (C) 1997-2020 Free Software Foundation, Inc.
 #
 # This file is part of DejaGnu.
 #
 # DejaGnu is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # DejaGnu is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 # General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with DejaGnu; if not, write to the Free Software Foundation,
 # Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.

 # This is a list of toolchains that are supported on this board.
 set_board_info target_install {pru-elf}

 # Load the generic configuration for this board, This will define a basic
 # set of routines needed by the tool to communicate with the board.
 load_generic_config "sim"

 # basic-sim.exp is a basic description for the standard Cygnus simulator.
 load_base_board_description "basic-sim"

 # The name of the simulator is "pru".
 setup_sim pru

 # No multilib flags needed by default.
 process_multilib_options ""

 # The compiler used to build for this board. This has *nothing* to do
 # with what compiler is tested if we're testing gcc.
 set_board_info compiler  "[find_gcc]"

 # PRU arguments are mostly passed in registers. But GCC regression tests
 # are written with other machines in mind, so the builtin_apply's
 # aruments stack size is non-zero. On top of that, the stack top for
 # PRU's main is very close to the end of SRAM. Close enough that the
 # spurious "stack copy" reads outside of the DRAM area, causing a
 # simulator abort. For example, see how builtin-apply-3.c copies 16
 # bytes from the arguments stack, while PRU has passed all of its
 # arguments in registers.
 #
 # Temporary solution is to add a few bytes of "guard" space, so that
 # existing GCC testcases can be executed successfully. Hence set the
 # stack top a few bytes below the simulator's DRAM end.
 set workaround_ldflags "-Wl,--defsym=_stack_top=0x3fff800"

 set_board_info cflags  "-mmcu=sim [libgloss_include_flags] [newlib_include_flags]"
 set_board_info ldflags  "[libgloss_link_flags] [newlib_link_flags] $workaround_ldflags"

 # No support for signals on this target.
 set_board_info gdb,nosignals 1

 # Low-end workstations might require even larger timeouts.
 set timeout 120
	# Copyright (C) 1997-2020 Free Software Foundation, Inc.
	#
	# This file is part of DejaGnu.
	#
	# DejaGnu is free software; you can redistribute it and/or modify it
	# under the terms of the GNU General Public License as published by
	# the Free Software Foundation; either version 3 of the License, or
	# (at your option) any later version.
	#
	# DejaGnu is distributed in the hope that it will be useful, but
	# WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	# General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with DejaGnu; if not, write to the Free Software Foundation,
	# Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.

	# This is a list of toolchains that are supported on this board.
	set_board_info target_install {pru-elf}

	# Load the generic configuration for this board, This will define a basic
	# set of routines needed by the tool to communicate with the board.
	load_generic_config "sim"

	# basic-sim.exp is a basic description for the standard Cygnus simulator.
	load_base_board_description "basic-sim"

	# The name of the simulator is "pru".
	setup_sim pru

	# No multilib flags needed by default.
	process_multilib_options ""

	# The compiler used to build for this board. This has nothing to do
	# with what compiler is tested if we're testing gcc.
	set_board_info compiler "[find_gcc]"

	# PRU arguments are mostly passed in registers. But GCC regression tests
	# are written with other machines in mind, so the builtin_apply's
	# aruments stack size is non-zero. On top of that, the stack top for
	# PRU's main is very close to the end of SRAM. Close enough that the
	# spurious "stack copy" reads outside of the DRAM area, causing a
	# simulator abort. For example, see how builtin-apply-3.c copies 16
	# bytes from the arguments stack, while PRU has passed all of its
	# arguments in registers.
	#
	# Temporary solution is to add a few bytes of "guard" space, so that
	# existing GCC testcases can be executed successfully. Hence set the
	# stack top a few bytes below the simulator's DRAM end.
	set workaround_ldflags "-Wl,--defsym=_stack_top=0x3fff800"

	set_board_info cflags "-mmcu=sim [libgloss_include_flags] [newlib_include_flags]"
	set_board_info ldflags "[libgloss_link_flags] [newlib_link_flags] $workaround_ldflags"

	# No support for signals on this target.
	set_board_info gdb,nosignals 1

	# Low-end workstations might require even larger timeouts.
	set timeout 120