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#   Copyright 1999 Free Software Foundation, Inc.

# 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 2 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, write to the Free Software

# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# Please email any bugs, comments, and/or additions to this file to:

# bug-gdb@prep.ai.mit.edu

if $tracelevel then {

    strace $tracelevel

}

set prms_id 0

set bug_id 0

# test only on a remote target board

if {! [is_remote target]} {

    return

}

set testfile "remote"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

gdb_start

set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]

if {$result != "" } then {

    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."

}

#

# Part ONE: Check the down load commands

#

gdb_test "show download-write-size" \

        "The write size used when downloading a program is 512." \

        "download limit default"

gdb_test "set download-write-size" "Argument required.*"

gdb_test "set download-write-size 0" ""

gdb_test "show download-write-size" \

        "The write size used when downloading a program is unlimited." \

        "set download limit - unlimited"

gdb_test "show remote memory-write-packet-size" \

        "The memory-write-packet-size is 0. Packets are limited to \[0-9\]+ bytes." \

        "write-packet default"

gdb_test "set remote memory-write-packet-size" \

        "Argument required .integer, `fixed' or `limited'.\." \

        "set write-packet - NULL"

gdb_test "set remote memory-write-packet-size 16" ""

gdb_test "show remote memory-write-packet-size" \

        "The memory-write-packet-size is 16. Packets are limited to 16 bytes." \

        "set write-packet - small"

gdb_test "set remote memory-write-packet-size 1" ""

gdb_test "show remote memory-write-packet-size" \

        "The memory-write-packet-size is 1. Packets are limited to 16 bytes." \

        "set write-packet - very-small"

#

# Part TWO: Check the download behavour

#

proc gdb_load_timed {executable downloadsize class writesize} {

    global test gdb_prompt

    set test "timed download `[file tail $executable]' - $downloadsize, $class, $writesize"

    if {$writesize != ""} then {

        gdb_test "set remote memory-write-packet-size $writesize" \

                "" "$test - set packet size"

    }

    if {$downloadsize != ""} then {

        gdb_test "set download-write-size $downloadsize" \

                "" "$test - set download size"

    }

    if {$downloadsize != ""} then {

        send_gdb "set remote memory-write-packet-size $class\n"

        gdb_expect 5 {

            -re ".*Change the packet size.*$" {

                send_gdb "y\n"

                gdb_expect 5 {

                    -re ".*$gdb_prompt $" {

                        pass "$test - set write size class"

                    }

                    timeout {

                        fail "$test - set write size class"

                        return

                    }

                }

            }

            -re ".*$gdb_prompt $" { }

            timeout {

                fail "$test - set write size class"

                return

            }

        }

    }

    set load_begin_time [clock clicks]

    set result [gdb_load $executable]

    set load_end_time [clock clicks]

    if {$result < 0} then { fail "$test - loading executable"; return }

    verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms"

    pass $test

}

gdb_load_timed $binfile {} "" {}

# Typically about 400-1 bytes can be downloaded

gdb_load_timed $binfile 0 "limit" 398

gdb_load_timed $binfile 0 "limit" 400

# Absolute max is 16384

gdb_load_timed $binfile 0 "fixed" 0

gdb_load_timed $binfile 0 "fixed" 16385

# fall back to the default

gdb_load_timed $binfile 0 "limit" 0

#

# Part THREE: Check the upload behavour

#

# Carefully check memory around each of the most common packet edge

# conditions

gdb_test "x/8ub random_data" \

        ":\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44"

gdb_test "x/8ub random_data + 400 - 4" \

        ":\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93"

gdb_test "x/8ub random_data + 16384 - 4" \

        ":\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76"

# Read a chunk just larger than the packet size (reduce the packet

# size to make life easier)

gdb_test "set remote memory-read-packet-size 16" \

        ""

gdb_test "show remote memory-read-packet-size" \

        "The memory-read-packet-size is 16. Packets are limited to 16 bytes."

gdb_test "x/17ub random_data" \

        ":\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44.*:\[ \t\]+124\[ \t\]+38\[ \t\]+93\[ \t\]+125\[ \t\]+232\[ \t\]+67\[ \t\]+228\[ \t\]+56.*:\[ \t\]+161"

gdb_exit