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[/] [or1k/] [trunk/] [insight/] [dejagnu/] [lib/] [xsh.exp] - Blame information for rev 1776

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1 578 markom 
# Copyright (C) 92, 93, 94, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-dejagnu@prep.ai.mit.edu
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# This file was written by Rob Savoye. (rob@cygnus.com)
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#
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# Connect to Spectra (VTRX) using xsh
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#
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proc xsh_open { hostname } {
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    global hex
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    global target_triplet
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    global xsh_shell_prompt
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    global board_info
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    if [board_info $hostname exists fileid] {
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        unset board_info($hostname,fileid);
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    }
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    if ![board_info $hostname exists spectra] {
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        perror "No spectra directory for $hostname";
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        return -1;
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    } else {
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        set spectra [board_info $hostname spectra];
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    }
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    if ![board_info $hostname exists xsh_shell_prompt] {
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        set xsh_shell_prompt ".*> "
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    } else {
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        set xsh_shell_prompt [board_info $hostname shell_prompt];
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    }
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    set retries 0
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    set result  0
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    if ![board_info $hostname exists xsh_prog] {
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        set xsh xsh;
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    } else {
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        set xsh [board_info $hostname xsh_prog];
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    }
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    if {[which $xsh] != 0} {
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        spawn $xsh
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    } else {
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        warning "Can't find xsh in path"
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        return -1
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    }
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    set shell_id $spawn_id
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    # start the shell
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    expect {
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        "*Spectra Cross-Development Shell version*$xsh_shell_prompt" {
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            verbose "Got prompt"
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            set result 0
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        }
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        timeout                 {
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            warning "Timed out trying to connect."
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            set result -1
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            incr retries
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            if { $retries <= 2 } {
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                exp_continue
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            }
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        }
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    }
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    # connect to the shell
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    set retries 0
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    send "connect $hostname\n"
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    expect {
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        "connect $hostname*$hostname connected \(non-os mode\)*\n" {
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            set xsh_shell_prompt "$hostname> "
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            verbose "Connected to $hostname"
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        }
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        "*connect: not attached*" {
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            warning "Couldn't attach target"
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            set result -1
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        }
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        -re ".* reset on target.*$" {
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            send_user "Spectra was reset\n"
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            exp_continue
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        }
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        -re "\[0-9A-Fa-f\]+\[ 0x\]+\[0-9A-Fa-f\]+.*$" {
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            exp_continue
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        }
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        "$hostname> " {
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            #send "\n"
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        }
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        timeout {
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            warning "Timed out trying to connect after $expect_out(seconds) seconds."
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            set result -1
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            incr retries
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            if { $retries <= 2 } {
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                exp_continue
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            }
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        }
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    }
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    send "\n\n\n"
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    expect {
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        "*$hostname*$hostname" {
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            verbose "Cleared reset messages" 1
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        }
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        timeout {
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            warning "Couldn't clear reset messages"
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            set result 1
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        }
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    }
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    set board_info($hostname,fileid) $spawn_id;
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    # load to operating system
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    set timeout 20
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    set retries 0
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    if {[xsh_download $hostname $spectra/${target_triplet}-os.o "" {-e sys_start_crt0}]!=0} {
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        perror "Couldn't load Spectra into target"
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        return -1
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    }
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    set timeout 10
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    # start the OS running
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    set retries 0
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    send "go\n"
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    expect {
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        -re ".*Multithreading on target darkstar.*$" {
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            verbose "Spectra has been started..." 1
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            set result 0
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        }
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        -re ".*reset on target.*$" {
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            verbose "Spectra was reset"
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            exp_continue
145 
        }
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        -re "\[0-9A-Fa-f\]+\[ 0x\]+\[0-9A-Fa-f\]+.*$" {
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            #send "\n"
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            exp_continue
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        }
150 
        -re "go\n" { exp_continue }
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        "$xsh_shell_prompt" { exp_continue }
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        timeout {
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            perror "Spectra wouldn't start"
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            set result -1
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            incr retries
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            if { $retries <= 2 } {
157 
                send "go\r"
158 
                exp_continue
159 
            }
160 
        }
161 
    }
162 
 
163 
    if { $result < 0 } {
164 
        perror "Couldn't connect after $retries retries.\n"
165 
        return -1
166 
    } else {
167 
        set board_info($hostname,fileid) $spawn_id;
168 
        return $spawn_id
169 
    }
170 
}
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#
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# Download an executable using the load command in Spectra.
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#     arg[0] - is a full path name to the file to download.
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#     arg[1] - optional arguments to the load command.
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#     returns  1 if a spectra error occured,
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#             -1 if an internal error occured,
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#              0 otherwise.
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#
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proc xsh_download { dest file destfile args } {
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    global verbose
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    global shell_id
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    global decimal
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    global hex
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    global expect_out
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    global board_info
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188 
    set result 1
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    set retries 0
190 
    set shell_id [board_info $dest fileid];
191 
 
192 
    if { [llength $args] > 1 } {
193 
        set opts [lindex $args 1]
194 
    } else {
195 
        set opts ""
196 
    }
197 
 
198 
    if { [llength $args] > 0 } {
199 
        set destfile [lindex $args 0]
200 
    }
201 
 
202 
    if ![file exists $file] {
203 
        perror "$file doesn't exist."
204 
        return 1
205 
    }
206 
 
207 
    verbose "Downloading $file..."
208 
 
209 
    send -i $shell_id "load $opts $file\r"
210 
    set force 0
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    expect {
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        -i $shell_id -re "\[0-9A-Fa-f\]+\[ 0x\]+\[0-9A-Fa-f\]+\r\n" {
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            set timeout 1
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            send "dout\n"
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            while $force<2 {
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                expect {
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                    "dout*undefined kernel symbol*$xsh_shell_prompt" {
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                        verbose "Attempted to flush I/O buffers" 1
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                    }
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                    timout {
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                        incr force
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                        flush stdout
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                    }
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                }
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            }
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            set timeout 20
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            exp_continue
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        }
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        -i $shell_id  "load $opts $file*\r" {
230 
            verbose "Loading a.out..."
231 
            exp_continue
232 
        }
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        -i $shell_id "Warm reset on target*\n" {
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            verbose "Spectra did a warm reset"
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            exp_continue
236 
        }
237 
        -i $shell_id "Cold reset on target*\n" {
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            verbose "Spectra did a cold reset"
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            exp_continue
240 
        }
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        -i $shell_id "loading a.out*\r" {
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            verbose "Loading a.out..."
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            exp_continue
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        }
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        -i $shell_id "reading symbols*\r" {
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            verbose "Reading symbols..."
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            exp_continue
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        }
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        -i $shell_id "defining symbols*\r" {
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            verbose "defining symbols..."
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            exp_continue
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        }
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        -i $shell_id "*loading image*\r" {
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            verbose "Loading image..."
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            exp_continue
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        }
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        -i $shell_id -re ".*bytes loaded:.*$decimal.*$" {
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            verbose "$expect_out(buffer)"
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            exp_continue
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        }
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        -i $shell_id "*loading done*\r" {
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            verbose "Loading done..."
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            exp_continue
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        }
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        -i $shell_id "*setting PC*\r" {
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            verbose "Setting PC..."
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            exp_continue
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        }
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        -i $shell_id "*resolving symbols*\r" {
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            verbose "Resolving symbols..."
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            exp_continue
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        }
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        -i $shell_id -re ".*load module id = $decimal.*$" {
274 
            verbose ""
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        }
276 
        -i $shell_id -re ".*load: undefined symbols.*$"  {
277 
            perror "undefined symbols, make sure os is loaded and running"
278 
            set result -1
279 
        }
280 
        -i $shell_id "$xsh_shell_prompt" {
281 
            set result 0
282 
            exp_continue
283 
        }
284 
        -i $shell_id "load: no default target" {
285 
            perror "default target isn't set"
286 
            return -1
287 
        }
288 
        -i $shell_id timeout {
289 
            perror "Timed out trying to download after $expect_out(seconds) seconds."
290 
            incr retries
291 
            set result 1
292 
            if { $retries <= 2 } {
293 
                exp_continue
294 
            }
295 
        }
296 
    }
297 
 
298 
    set timeout 10
299 
    if [info exists expect_out(buffer)] {
300 
        send_log $expect_out(buffer)
301 
    }
302 
    set board_info($hostname,fileid) $shell_id
303 
    return $result
304 
}
305 
 
306 
#
307 
# Exit the remote shell
308 
#
309 
proc xsh_close { hostname } {
310 
    global board_info
311 
 
312 
    if ![board_info $hostname exists fileid] {
313 
        return;
314 
    }
315 
 
316 
    set shell_id [board_info ${hostname} fileid];
317 
    send -i $shell_id "exit\n"
318 
    unset board_info(${hostname},fileid);
319 
 
320 
    verbose "Exiting shell."
321 
    return 0
322 
}

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