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4a94e368 | 1 | # Copyright 2020-2022 Free Software Foundation, Inc. |
ee9812a0 AB |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 3 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | ||
16 | # Test that the dcache can be flushed. | |
17 | ||
18 | standard_testfile | |
19 | ||
20 | if { [prepare_for_testing "failed to prepare" ${testfile}] } { | |
21 | return -1 | |
22 | } | |
23 | ||
24 | if ![runto func] { | |
25 | return -1 | |
26 | } | |
27 | ||
28 | gdb_test "up" ".* main .*" | |
29 | gdb_test "p var1" " = 4" | |
30 | gdb_test "p var2" " = 3" | |
31 | ||
32 | # By reading var1 and var2 we should have at least one line in the | |
33 | # dcache. | |
34 | gdb_test "info dcache" \ | |
35 | [multi_line \ | |
36 | "Dcache $decimal lines of $decimal bytes each." \ | |
ee2ff2ea | 37 | "Contains data for (process $decimal|Thread \[^\r\n\]*)" \ |
ee9812a0 AB |
38 | "Line 0: address $hex \[$decimal hits\].*" \ |
39 | "Cache state: $decimal active lines, $decimal hits" ] \ | |
40 | "check dcache before flushing" | |
41 | ||
42 | # Flush the dcache. | |
43 | gdb_test "maint flush dcache" "The dcache was flushed\." | |
44 | ||
45 | # Check the dcache is now empty. | |
46 | gdb_test "info dcache" \ | |
47 | [multi_line "Dcache $decimal lines of $decimal bytes each." \ | |
48 | "No data cache available." ] \ | |
49 | "check dcache after flushing" | |
50 | ||
51 | # Read the stack variables again, refilling the dcache. | |
52 | with_test_prefix "refilling" { | |
53 | gdb_test "p var1" " = 4" | |
54 | gdb_test "p var2" " = 3" | |
55 | } | |
56 | ||
57 | # And check we have some content back in the dcache. | |
58 | gdb_test "info dcache" \ | |
59 | [multi_line \ | |
60 | "Dcache $decimal lines of $decimal bytes each." \ | |
ee2ff2ea | 61 | "Contains data for (process $decimal|Thread \[^\r\n\]*)" \ |
ee9812a0 AB |
62 | "Line 0: address $hex \[$decimal hits\].*" \ |
63 | "Cache state: $decimal active lines, $decimal hits" ] \ | |
64 | "check dcache before refilling" |