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Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [gnu-src/] [boards/] [or32-linux-sim.exp] - Rev 645
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#!/bin/bash
# Copyright (C) 2010 Embecosm Limited
# Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
# Contributor Joern Rennecke <joern.rennecke@embecosm.com>
# 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 <http://www.gnu.org/licenses/>.
# -----------------------------------------------------------------------------
# For telnet targets we need to define some functions.
# -----------------------------------------------------------------------------
# Custom proc to close a telnet session
# @param[in] connhost The connected host being closed.
# -----------------------------------------------------------------------------
proc telnet_close {connhost} {
global board_info
verbose "telnet_close: connhost $connhost" 3
# Close the session
set spawn_id [board_info $connhost fileid]
catch close -i $spawn_id
catch wait -i $spawn_id
# Check we really succeeded in closing
if [board_info $connhost exists fileid] {
verbose "telnet_close: deleting remaining fileid"
unset board_info(${connhost},fileid)
}
}
# -----------------------------------------------------------------------------
# Custom proc to check if we have had too many failures
# @param[in] boardname The board being closed.
# -----------------------------------------------------------------------------
proc telnet_failure_check { connhost errmess } {
global board_info
# Get the maximum failure count
set max_fc 10
if [board_info $connhost exists max_failure_count] {
set max_fc [board_info $connhost max_failure_count]
}
verbose "telnet_failure_check: Max failure count $max_fc"
# Increment the current failure count
set fc 1
if [board_info $connhost exists failure_count] {
verbose "telnet_failure_check: Incrementing failure count"
set fc [expr [board_info $connhost failure_count] + 1]
}
set board_info($connhost,failure_count) $fc
verbose "telnet_failure_check: current failure count is $fc"
# Die if we are over the limit
if {$fc >= $max_fc} {
error "Too many failures: $errmess"
}
}
# -----------------------------------------------------------------------------
# Custom proc to exec programs using telnet
# We seem to only pass in the first of the arguments supplied to the command.
# The timeout is a mess. It seems to always be 10, not the timeout needed to
# execute a regression test (typicall 300 seconds). Fixed by not making it
# global and using our own timeout data.
# It also seems that only the first argument is passed.
# @param[in] hostname 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 {hostname cmd args} {
global board_info
global verbose
# Get the connected host name, if it exists. This code matches
# telnet_open.
verbose "telnet_exec: original hostname is $hostname"
if {[board_info $hostname exists name]} {
set connhost [board_info $hostname name]
} else {
set connhost $hostname
}
verbose "telnet_exec: connhost is $connhost"
if [board_info $connhost exists hostname] {
set hostname [board_info $connhost hostname]
}
verbose "telnet_exec: hostname is $hostname"
# Get the first argument, if any.
if { [llength $args] > 0 } {
set pargs [lindex $args 0];
} else {
set pargs ""
}
verbose "telnet_exec: executing on $connhost, command \"$cmd\", pargs \"$pargs\""
# Just check if we have more args. Potentially a second arg is an input
# file.
if { [llength $args] > 1 } {
set tinp [lindex $args 1]
if {$tinp != {}} {
verbose "telnet_exec: long args: $args"
}
}
# Set the shell prompt
if [board_info $connhost exists shell_prompt] {
set shell_prompt [board_info $connhost shell_prompt]
} elseif ![info exists shell_prompt] {
# if no prompt, then set it to something generic
set shell_prompt "\[^\r\n\]*\[$#\] "
}
# Start a new telnet session if one doesn't already exist. If sucessful
# the fileid field associated with $connhost will be set to the spawn_id
# of the new telnet process.
if ![board_info $connhost exists fileid] {
verbose "telnet_exec: opening new telnet connection"
if {[telnet_open $connhost] == -1} {
return [list -1 "telnet to $hostname failed for $cmd, couldn't begin telnet session"]
}
}
# The spawn_id we'll use throughout
set spawn_id [board_info $connhost fileid]
verbose "telnet_exec: spawn_id is now $spawn_id"
# Use a relatively short timeout for most operations. Only the command
# itself uses a long timeout.
set timeout 30
#Hit enter to make sure you get a shell prompt
send -i $spawn_id "\r"
expect {
# A prompt indicates the current session is alive
-i $spawn_id -re "$shell_prompt" {
verbose "telnet_exec: got prompt at start"
}
-i $spawn_id default {
# Timeout or EOF. Die if we have had too many failures
telnet_failure_check $connhost "no prompt at telnet start"
# Try closing the connection and reopening.
telnet_close $connhost
if {[telnet_open $connhost] != -1} {
set spawn_id [board_info $connhost fileid]
verbose "telnet_exec: new telnet session, spawn_id: $spawn_id"
send -i $spawn_id "\r"
exp_continue
} else {
return [list -1 "telnet to $hostname failed for $cmd, couldn't get a shell prompt"]
}
}
}
# Send the command. We can't cope with any input, so only the first
# argument (group) is sent.
send -i $spawn_id -- "$cmd $pargs\r"
# We really should get the command echoed back immediately. This is a good
# way of slurping up unexpected prompts. We first swap out any characters
# from the command and args that might cause us grief.
regsub -all "\\+" "$cmd $pargs" "." cmdpargs
verbose "telnet_exec: command match string is \"$cmdpargs\""
expect {
-i $spawn_id -re "$cmdpargs" {
verbose "telnet_exec: got command echoed back"
}
-i $spawn_id default {
verbose "telnet_exec: command not echoed: command expect_out(buffer): \"$expect_out(buffer)\""
}
}
# Set the telnet command custom timeout to wait for the command to
# complete executing.
if [board_info $connhost exists telnet_exec_timeout] {
set timeout [board_info $connhost telnet_exec_timeout]
verbose "telnet_exec: command timeout set to $timeout"
} else {
# Appropriate default
set timeout 300
verbose "telnet_exec: command timeout set to default value $timeout"
}
expect {
-i $spawn_id -re "$shell_prompt" {
verbose "telnet_exec: got prompt after command"
}
-i $spawn_id default {
# Give up on timeout or EOF
telnet_close $connhost
return [list -1 "telnet to $hostname for $cmd $pargs failed (timeout)"]
}
}
# Remove unnecessary strings from the output string
verbose "telnet_exec: command expect_out(buffer): \"$expect_out(buffer)\""
regsub -all $cmdpargs "$expect_out(buffer)" {} output
regsub "$shell_prompt" $output {} output
regsub -all "\[\r\n\]" $output {} output
if {$output == ""} {
set output "(no output)"
} else {
set output "\"$output\""
}
verbose "telnet_exec: command output $output"
# Check the return status. Use a short timeout for this and following
# commands.
set timeout 30
send -i $spawn_id "echo \$?\r"
# Once again, look for the "echo" reflected back as a way of slurping up
# unexpected prompts. We don't worry about timeout here - we'll sort that
# out later.
expect {
-i $spawn_id -re "echo \\$\\?" {
verbose "telnet_exec: got \"echo\" echoed back"
}
-i $spawn_id default {
verbose "telnet_exec: echo not echoed: command expect_out(buffer): \"$expect_out(buffer)\""
}
}
# Look for the shell prompt. Don't worry about timeout for now. It only
# really matters if we don't get a valid status, which we'll discover
# below.
expect {
-i $spawn_id -re "$shell_prompt" {
verbose "telnet_exec: got status shell prompt"
}
-i $spawn_id default {
verbose "telnet_exec: no status shell prompt: command expect_out(buffer): \"$expect_out(buffer)\""
}
}
# Regsub the output to get the status number
verbose "telnet_exec: status expect_out(buffer): \"$expect_out(buffer)\""
regsub -all {echo \$\?} $expect_out(buffer) {} status
regsub "$shell_prompt" $status {} status
regsub -all "\[\r\n \]" $status {} status
verbose "telnet_exec: status \"$status\""
# This shouldn't be neccessary...
if {[regexp {[0123456789]+} $status] != 1} {
warning "status not a number (\"$status\"), setting to 1"
verbose "telnet_exec: status (\"$status\"), expect_out(buffer): \"$expect_out(buffer)\""
set status 1
# Die if we have had too many failures like this.
telnet_failure_check $connhost "bad status"
}
if {$status == 0} {
return [list "0" "$output"]
} else {
return [list "1" "$output"]
}
}
# -----------------------------------------------------------------------------
# For FTP we need to redefine some existing functions to add additional
# features.
# -----------------------------------------------------------------------------
# Upload REMOTEFILE from HOST as LOCALFILE by FTP
# This version swaps the argument order, which is what the regression test
# seems to expect.
# Also allows a custom timeout to be set.
# @param[in] host The host we are connected to.
# @param[in] localfile The local file to send
# @param[in] remotefile Name of file at remote end.
# -----------------------------------------------------------------------------
proc ftp_upload {host localfile remotefile} {
global board_info
set prompt "ftp>"
verbose "ftping $remotefile from $host to $localfile"
# JPB to set custom timeout (not marked global, so we don't need to save
# and restore)
if [board_info $host exists ftp_upload_timeout] {
set timeout [board_info $host ftp_upload_timeout]
verbose "FTP upload timeout set to $timeout"
} else {
# Appropriate default
set timeout 15
verbose "FTP upload timeout set to default value $timeout"
}
set spawn_id [ftp_open $host]
if {$spawn_id < 0} {
return ""
}
set loop 1
while {$loop} {
send -i $spawn_id "get $remotefile $localfile\n"
expect {
-i $spawn_id -re ".*Too many open files.*$prompt" {
ftp_close $host
}
-i $spawn_id -re ".*No such file or directory.*$prompt" {
set loop 0
set remotefile ""
}
-i $spawn_id -re "(^|\[\r\n\])226.*$prompt" {set loop 0}
-i $spawn_id -re "(^|\[\r\n\])\[0-9\]\[0-9\]\[0-9\].*$prompt" {
set loop 0
set remotefile ""
}
-i $spawn_id default {
ftp_close $host
}
}
if {$loop} {
set spawn_id [ftp_open $host]
if {$spawn_id < 0} {
return ""
}
}
}
return $localfile
}
# -----------------------------------------------------------------------------
# Download LOCALFILE to HOST as REMOTEFILE by FTP
# This version takes a user specified timeout, which we need for our slow
# simulated connection.
# @param[in] host The host we are connected to.
# @param[in] localfile The local file to send
# @param[in] remotefile Name of file at remote end.
# -----------------------------------------------------------------------------
proc ftp_download {host localfile remotefile} {
global board_info
set prompt "ftp>"
verbose "putting $localfile $remotefile"
if [board_info $host exists hostname] {
set remotehost [board_info $host hostname]
} else {
set remotehost $host
}
set spawn_id [ftp_open $host]
if {$spawn_id < 0} {
return ""
}
set loop 1
# JPB to set custom timeout (not marked global, so we don't need to save
# and restore)
if [board_info $host exists ftp_download_timeout] {
set timeout [board_info $host ftp_download_timeout]
verbose "FTP download timeout set to $timeout"
} else {
# Appropriate default
set timeout 15
verbose "FTP download timeout set to default value $timeout"
}
while {$loop} {
send -i $spawn_id "put $localfile $remotefile\n"
expect {
-i $spawn_id -re ".*Too many open files.*$prompt" {
ftp_close $host
}
-i $spawn_id -re ".*No such file or directory.*$prompt" {
set loop 0
set remotefile ""
}
-re "(^|\[\r\n\])150.*connection for (.*) \[(\]\[0-9.,\]+\\)\[\r\n\]" {
set remotefile $expect_out(2,string)
exp_continue
}
-i $spawn_id -re "(^|\[\r\n\])226.*$prompt" {
set loop 0
}
-i $spawn_id -re "Timeout.*$prompt" {
ftp_close $host
}
-i $spawn_id -re "(^|\[\r\n\])\[0-9\]\[0-9\]\[0-9\].*$prompt" {
set loop 0
set remotefile ""
}
-i $spawn_id default {
ftp_close $host
}
}
if {$loop} {
set spawn_id [ftp_open $host]
if {$spawn_id < 0} {
return ""
}
}
}
return $remotefile
}
# 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. We select the IP address using an external
# program which knows about all available Linuxes.
set linux_hostname [exec [file dirname $env(DEJAGNU)]/get-ip.sh --rotate]
set_board_info hostname $linux_hostname
send_user "OR32 target hostname is $linux_hostname\n"
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 "\[^\r\n\]*# "
set_board_info telnet_username "root"
set_board_info telnet_password ""
set_board_info telnet_exec_timeout 1200
set_board_info file_transfer ftp
set_board_info ftp_username root
set_board_info ftp_password ""
set_board_info ftp_download_timeout 120
set_board_info ftp_upload_timeout 120
# 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 this flag to generate default .gcda files if we are using
# a stock compiler, without the profopt.exp changes. No problem with doubling
# up the argument in normal circumstances.
set_board_info cflags "-fprofile-dir=."
set_board_info cxxflags "-fprofile-dir=."
# 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
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