1# Copyright 1999, 2001, 2004, 2007, 2008, 2009, 2010, 2011
2# Free Software Foundation, Inc.
3
4# This program is free software; you can redistribute it and/or modify
5# it under the terms of the GNU General Public License as published by
6# the Free Software Foundation; either version 3 of the License, or
7# (at your option) any later version.
8#
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12# GNU General Public License for more details.
13#
14# You should have received a copy of the GNU General Public License
15# along with this program.  If not, see <http://www.gnu.org/licenses/>.
16
17if $tracelevel then {
18    strace $tracelevel
19}
20
21
22
23# test only on a remote target board
24if {! [is_remote target]} {
25    return
26}
27
28set testfile "remote"
29set srcfile ${testfile}.c
30set binfile ${objdir}/${subdir}/${testfile}
31
32gdb_start
33
34set result [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}]
35if {$result != "" } then {
36    untested remote.exp
37    return -1
38}
39
40
41#
42# Part ONE: Check the down load commands
43#
44
45gdb_test "show remote memory-write-packet-size" \
46	"The memory-write-packet-size is 0. Packets are limited to \[0-9\]+ bytes." \
47	"write-packet default"
48
49gdb_test "set remote memory-write-packet-size" \
50	"Argument required .integer, `fixed' or `limited'.\." \
51	"set write-packet - NULL"
52
53gdb_test_no_output "set remote memory-write-packet-size 20"
54gdb_test "show remote memory-write-packet-size" \
55	"The memory-write-packet-size is 20. Packets are limited to 20 bytes." \
56	"set write-packet - small"
57
58gdb_test_no_output "set remote memory-write-packet-size 1"
59gdb_test "show remote memory-write-packet-size" \
60	"The memory-write-packet-size is 1. Packets are limited to 20 bytes." \
61	"set write-packet - very-small"
62
63#
64# Part TWO: Check the download behavour
65#
66
67proc gdb_load_timed {executable class writesize} {
68    global test gdb_prompt
69    set test "timed download `[file tail $executable]' - $class, $writesize"
70
71    if {$writesize != ""} then {
72	gdb_test_no_output "set remote memory-write-packet-size $writesize" \
73	    "$test - set packet size"
74
75	send_gdb "set remote memory-write-packet-size $class\n"
76	gdb_expect 5 {
77	    -re ".*Change the packet size.*$" {
78		send_gdb "y\n"
79		gdb_expect 5 {
80		    -re ".*$gdb_prompt $" {
81			pass "$test - set write size class"
82		    }
83		    timeout {
84			fail "$test - set write size class"
85			return
86		    }
87		}
88	    }
89	    -re ".*$gdb_prompt $" { }
90	    timeout {
91		fail "$test - set write size class"
92		return
93	    }
94	}
95    }
96
97    # Do not try to load using fixed sizes; we may overflow the remote target.
98    if { $class == "fixed" } {
99	return
100    }
101
102    set load_begin_time [clock clicks]
103    set result [gdb_load $executable]
104    set load_end_time [clock clicks]
105    if { $result != 0 } then {
106	fail "$test - loading executable"
107	return
108    }
109    verbose "$test - time [expr ($load_end_time - $load_begin_time) / 1000] ms"
110    pass $test
111}
112
113# Typically about 400-1 bytes can be downloaded
114gdb_load_timed $binfile "limit" 398
115gdb_load_timed $binfile "limit" 400
116
117# Absolute max is 16384
118gdb_load_timed $binfile "fixed" 0
119gdb_load_timed $binfile "fixed" 16385
120
121# fall back to the default
122gdb_load_timed $binfile "limit" 0
123
124# Get size of data uploaded
125
126#
127# Query GDB for the size of various types
128#
129
130# Get the size of random_data table (defaults to 48K).
131set sizeof_random_data [get_sizeof "random_data" 48*1024]
132
133#
134# Part THREE: Check the upload behavour
135#
136if ![runto_main] then {
137    fail "Cannot run to main"
138}
139
140# Carefully check memory around each of the most common packet edge
141# conditions
142
143gdb_test "x/8ub random_data" \
144	"<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44"
145
146gdb_test "x/8ub random_data + 400 - 4" \
147	"<random_data\\+396>:\[ \t\]+185\[ \t\]+255\[ \t\]+50\[ \t\]+140\[ \t\]+237\[ \t\]+172\[ \t\]+143\[ \t\]+93"
148
149if {$sizeof_random_data > 16380 } then {
150    gdb_test "x/8ub random_data + 16384 - 4" \
151	"<random_data\\+16380>:\[ \t\]+178\[ \t\]+180\[ \t\]+135\[ \t\]+93\[ \t\]+70\[ \t\]+62\[ \t\]+205\[ \t\]+76"
152}
153
154# Read a chunk just larger than the packet size (reduce the packet
155# size to make life easier)
156gdb_test_no_output "set remote memory-read-packet-size 16"
157
158gdb_test "show remote memory-read-packet-size" \
159	"The memory-read-packet-size is 16. Packets are limited to 20 bytes."
160gdb_test "x/17ub random_data" \
161	"<random_data>:\[ \t\]+60\[ \t\]+74\[ \t\]+216\[ \t\]+38\[ \t\]+149\[ \t\]+49\[ \t\]+207\[ \t\]+44.*<random_data\\+8>:\[ \t\]+124\[ \t\]+38\[ \t\]+93\[ \t\]+125\[ \t\]+232\[ \t\]+67\[ \t\]+228\[ \t\]+56.*<random_data\\+16>:\[ \t\]+161"
162
163gdb_exit
164