Re: SIM env. variable question in baseboards

[Steve Ellcey]

I finally created a generic-sim.exp file that reads environment files
and have used it for some of my GCC testing.  Here is what I created, it
looks for DEJAGNU_SIM, DEJAGNU_SIM_MULTILIB_OPTIONS, DEJAGNU_SIM_GCC,
DEJAGNU_SIM_INCLUDE_FLAGS, DEJAGNU_SIM_LINK_FLAGS, 
DEJAGNU_SIM_LDSCRIPT, and DEJAGNU_SIM_BOARD_INFO.  This seems to cover
most of what I saw used in the various baseboards.

DEJAGNU_SIM_BOARD_INFO is in tcl list format like:

DEJAGNU_SIM_BOARD_INFO="{noargs 1} {gcc,stack_size 5000}"

which results in:

        set_board_info noargs 1
        set_board_info gcc,stack_size 5000


Steve Ellcey
address@hidden



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# Use env to check env. variables and modify the simulator.
global env
global SIM

# 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 TCL SIM variable takes precedence over the DEJAGNU_SIM env. variable
if {[info exists env(DEJAGNU_SIM)] && ![info exists SIM]} {
  set SIM $env(DEJAGNU_SIM)
}

# This tells it which directory to look in for the simulator.
setup_sim sim

# No multilib flags are set by default.
if {[info exists env(DEJAGNU_SIM_MULTILIB_OPTIONS)]} {
  process_multilib_options "$env(DEJAGNU_SIM_MULTILIB_OPTIONS)"
} else {
  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.
if {[info exists env(DEJAGNU_SIM_GCC)]} {
  set_board_info compiler "$env(DEJAGNU_SIM_GCC)"
} else {
  set_board_info compiler "[find_gcc]"
}

if {[info exists env(DEJAGNU_SIM_INCLUDE_FLAGS)]} {
  set_board_info cflags "[libgloss_include_flags] [newlib_include_flags] 
$env(DEJAGNU_SIM_INCLUDE_FLAGS)"
} else {
  set_board_info cflags "[libgloss_include_flags] [newlib_include_flags]"
}
if {[info exists env(DEJAGNU_SIM_LINK_FLAGS)]} {
  set_board_info ldflags "[libgloss_link_flags] [newlib_link_flags] 
$env(DEJAGNU_SIM_LINK_FLAGS)"
} else {
  set_board_info ldflags "[libgloss_link_flags] [newlib_link_flags]"
}
if {[info exists env(DEJAGNU_SIM_LDSCRIPT)]} {
  set_board_info ldscript "$env(DEJAGNU_SIM_LDSCRIPT)"
}

if {[info exists env(DEJAGNU_SIM_BOARD_INFO)]} {
  foreach e $env(DEJAGNU_SIM_BOARD_INFO) {
    set_board_info [lindex $e 0] [lindex $e 1]
  }
}