1# Tests of register displays for GDB.
2#   Copyright 1994, 1995, 2007, 2008, 2009, 2010, 2011
3#   Free Software Foundation, Inc.
4
5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 3 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
18# This file was written by Stan Shebs. (shebs@cygnus.com)
19
20# This does not (yet) have an associated executable, since the IDT board
21# will display registers even without a program being loaded.
22# A more comprehensive register test would actually test reading
23# and writing of registers in a real program, although some care
24# would be required in the writing of the tests.
25
26if $tracelevel then {
27	strace $tracelevel
28	}
29
30# These tests exercise IDT-specific MIPS registers for several
31# different processor models.
32
33# This should detect the actual processor in use and change
34# the expected results appropriately.  FIXME
35
36proc idt_register_tests { } {
37	# Test the generic IDT chip.
38	gdb_test "info registers" ".*"
39	gdb_test "info register zero" "zero(r0): 0x0;"
40	# FIXME access each generic register individually
41	# Test the 3041.
42	gdb_test "set processor r3041" ".*"
43	gdb_test "info registers" ".*"
44	gdb_test "info register bus"  "bus.*0x.*"
45	gdb_test "info register ccfg" "ccfg.*0x.*"
46	gdb_test "info register port" "port.*0x.*"
47	gdb_test "info register cmp"  "cmp.*0x.*"
48	gdb_test "info register elo"  "elo: invalid register"
49	gdb_test "info register ehi"  "ehi: invalid register"
50	gdb_test "info register cfg"  "cfg: invalid register"
51	gdb_test "info register ctxt" "ctxt: invalid register"
52	# Test the 3051.
53	gdb_test "set processor r3051" ".*"
54	gdb_test "info registers" ".*"
55	gdb_test "info register bus"  "bus: invalid register"
56	gdb_test "info register ccfg" "ccfg: invalid register"
57	gdb_test "info register port" "port: invalid register"
58	gdb_test "info register cmp"  "cmp: invalid register"
59	gdb_test "info register elo"  "elo.*0x.*"
60	gdb_test "info register ehi"  "ehi.*0x.*"
61	gdb_test "info register cfg"  "cfg: invalid register"
62	gdb_test "info register ctxt" "ctxt: invalid register"
63	# Test the 3071.
64	gdb_test "set processor r3071" ".*"
65	gdb_test "info registers" ".*"
66	gdb_test "info register bus"  "bus: invalid register"
67	gdb_test "info register ccfg" "ccfg: invalid register"
68	gdb_test "info register port" "port: invalid register"
69	gdb_test "info register cmp"  "cmp: invalid register"
70	gdb_test "info register elo"  "elo.*0x.*"
71	gdb_test "info register ehi"  "ehi.*0x.*"
72	gdb_test "info register cfg"  "cfg.*0x.*"
73	gdb_test "info register ctxt" "ctxt.*0x.*"
74}
75
76if [istarget "mips*-idt-*"] then {
77    gdb_exit
78    gdb_start
79    gdb_reinitialize_dir $srcdir/$subdir
80    idt_register_tests
81} else {
82    verbose "regs.exp tests ignored for this target"
83}
84