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#!/bin/bash

# Copyright (C) 2010 Embecosm Limited

# Contributor Jeremy Bennett 

# Contributor Joern Rennecke 

# This file is a board description for testing OpenRISC with uClibc and

# Or1ksim running Linux.

# This program 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.

# This program 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 this program.  If not, see .

# -----------------------------------------------------------------------------

# For telnet targets we need to define some functions.

# -----------------------------------------------------------------------------

# Custom proc to close a telnet session

# @param[in] boardname  The board being closed.

# -----------------------------------------------------------------------------

proc telnet_close {boardname} {

    # Make the telnet process associated with this board the current process

    set spawn_id [board_info $boardname fileid]

    verbose "Closing $boardname:$spawn_id"

    # If we have a process, close it.

    if { $spawn_id >= 0 } {

        catch close

        catch wait

        set spawn_id -1

        set_board_info $boardname,fileid $spawn_id

    }

}

# -----------------------------------------------------------------------------

# Custom proc to exec programs using telnet

# We seem to only pass in the first of the arguments supplied to the command.

# We seem to set the timeout to 30, no matter what. Not sure that is right

# here.

# @param[in] boardname  The board we are telnetting to

# @param[in] cmd        The command to run

# @param[in] args       Arguments to the command

# @return  A list of the return code (-1 on failure) and any error message.

# -----------------------------------------------------------------------------

proc telnet_exec {boardname cmd args} {

    global timeout

    global verbose

    set output "(no output)"

    verbose "Executing $boardname:$cmd $args"

    # Get the first argument, if any.

    if { [llength $args] > 0 } {

        set pargs [lindex $args 0];

    } else {

        set pargs ""

    }

    # Set the shell prompt

    if [board_info $boardname exists shell_prompt] {

        set shell_prompt [board_info $boardname shell_prompt]

    }

    if ![info exists shell_prompt] { # if no prompt, then set it to

        something generic

        set shell_prompt ".*> "

    }

    # Start a new telnet session if one doesn't already exist. If sucessful

    # the fileid field associated with $boardname will be set to the spawn_id

    # of the new telnet process.

    if ![board_info $boardname exists fileid] {

        if {[telnet_open $boardname] == -1} {

            return [list -1

                    "telnet to $boardname failed for $cmd, couldn't begin

telnet session"]

        }

    }

    # Make the telnet session the current process.

    set spawn_id [board_info $boardname fileid]

    set old_timeout $timeout

    set timeout 30

    #Hit enter to make sure you get a shell prompt

    send -- "\r"

    expect {

        # A prompt indicates the current session is alive

        -re "$shell_prompt.*$" {

            verbose "Got a prompt"

        }

        default {

            # No response try closing the connection and reopening.

            telnet_close $boardname

            if {[telnet_open $boardname] != -1} {

                verbose "started new telnet session, spawn_id is [board_info

$boardname fileid]"

                send -- "\r"

                exp_continue

            } else {

                set timeout $old_timeout

                return [list -1 "telnet to $boardname failed for $cmd, couldn't get

a shell prompt"]

            }

            # I don't think we can get here. Comment out the old code and

            # trigger an error

            # send -- "\r"

            # exp_continue

            set timeout $old_timeout

            error "Problem reconnecting to telnet."

        }

    }

    # Shorter timeout for commands. Not sure why we only use the first of the

    # arguments.

    set timeout 10

    send "$cmd $pargs\r"

    expect {

        -re "$shell_prompt.*$" {

        }

        timeout {

            if [info exists expect_out(buffer)] {

                set execute_output_string $expect_out(buffer)

            }

            telnet_close $boardname

            set timeout $old_timeout

            return [list -1 "telnet to $boardname for $cmd $pargs failed (timeout)"

        }

    }

    #Remove unnecessary strings from the output string

    #If the file path contains any "+" signs, it will mess things up when $cmd

    #is used as a regsub pattern (2 lines down), so we replace all "+"s with "."

    regsub -all "\\+" $cmd "." cmd

    regsub -all $cmd "$expect_out(buffer)" {} output

    regsub $shell_prompt $output {} output

    regsub -all "\[\r\n\]" $output {} output

    #Check the return status

    set timeout 30

    send -- "echo \$?\r"

    expect -re "$shell_prompt.*$"

    #Regsub the output to get the status number

    regsub -all {echo \$\?} $expect_out(buffer) {} status

    regsub $shell_prompt $status {} status

    regsub -all "\[\r\n \]" $status {} status

    #This probably isn't neccessary..

    if {[regexp {[0123456789]+} $status] != 1} {

        warning "status not a number, it is <$status>, setting it to 1"

        set status 1

    }

    set timeout $old_timeout

    if {$status == 0} {

        return [list "0" "$output"]

    } else {

        return [list "1" "$output"]

    }

}

# This is a list of toolchains that are supported on this board.

set_board_info target_install {or32-linux}

# No multilib options needed by default.

process_multilib_options ""

# 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 "unix"

# Set up remote target info

set_board_info hostname "192.168.0.3"

set_board_info username root

# Use the installed compilers to ensure we get search paths that will find

# uClibc.

send_user "set_board_info compiler /opt/or32-new/bin/or32-linux-gcc\n"

global GCC_UNDER_TEST

set GCC_UNDER_TEST "/opt/or32-new/bin/or32-linux-gcc"

global GXX_UNDER_TEST

set GXX_UNDER_TEST "/opt/or32-new/bin/or32-linux-g++"

set_board_info compiler /opt/or32-new/bin/or32-linux-gcc

set_board_info c++compiler /opt/or32-new/bin/or32-linux-g++

set target_alias "or32-linux"

set_board_info connect telnet

set_board_info shell_prompt    "~ # "

set_board_info telnet_username "root"

set_board_info telnet_password ""

set_board_info file_transfer ftp

set_board_info ftp_username  root

set_board_info ftp_password  ""

# Options for the simulator

# set cfg_file [lookfor_file ${srcdir} libgloss/or32/sim.cfg]

# set_board_info sim,options "-a \"-f ${cfg_file}\""

# We only support uClibc on this target.  We assume that all multilib options

# have been specified before we get here.

# set_board_info compiler  "[find_gcc]"

# We need to define the right flags if pthreads is to work.

set_board_info cflags    "-D_XOPEN_SOURCE=600"

set_board_info cxxflags  "-D_XOPEN_SOURCE=600"

# No linker script needed.

set_board_info ldscript ""

# This simulator isn't slow.

set_board_info slow_simulator 0

# Can't pass arguments to programs on this target..

set_board_info noargs  1

# Used by a few gcc.c-torture testcases to delimit how large the stack can

# be.

set_board_info gcc,stack_size 65536

# GDB options

# We can't do input in GDB (yet! HA!). It *will* do output, hurrah.

set_board_info gdb,noinferiorio 1

# Or pass arguments.

set_board_info gdb,noargs  1

set_board_info noargs 1

# And there's no support for signals.

set_board_info gdb,nosignals  1