2 * Copyright (c) 2021 The FreeBSD Foundation
5 * This software was developed by Andrew Turner under
6 * sponsorship from the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/physmem.h>
38 ATF_TC_WITHOUT_HEAD(hwregion);
39 ATF_TC_BODY(hwregion, tc)
44 physmem_hardware_region(2 * PAGE_SIZE, PAGE_SIZE);
46 len = physmem_avail(avail, 4);
48 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
49 ATF_CHECK_EQ(avail[1], 3 * PAGE_SIZE);
52 physmem_hardware_region(2 * PAGE_SIZE, 2 * PAGE_SIZE);
53 len = physmem_avail(avail, 4);
55 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
56 ATF_CHECK_EQ(avail[1], 4 * PAGE_SIZE);
58 /* Add a touching region */
59 physmem_hardware_region(4 * PAGE_SIZE, PAGE_SIZE);
60 len = physmem_avail(avail, 4);
62 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
63 ATF_CHECK_EQ(avail[1], 5 * PAGE_SIZE);
65 /* Add a partial overlap */
66 physmem_hardware_region(4 * PAGE_SIZE, 2 * PAGE_SIZE);
67 len = physmem_avail(avail, 4);
69 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
70 ATF_CHECK_EQ(avail[1], 6 * PAGE_SIZE);
72 /* Add a non-page aligned section */
73 physmem_hardware_region(6 * PAGE_SIZE, PAGE_SIZE / 2);
74 len = physmem_avail(avail, 4);
76 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
77 ATF_CHECK_EQ(avail[1], 6 * PAGE_SIZE);
79 /* Add the remaining part of the page */
80 physmem_hardware_region(6 * PAGE_SIZE + PAGE_SIZE / 2, PAGE_SIZE / 2);
81 len = physmem_avail(avail, 4);
83 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
84 ATF_CHECK_EQ(avail[1], 7 * PAGE_SIZE);
87 ATF_TC_WITHOUT_HEAD(hwregion_exclude);
88 ATF_TC_BODY(hwregion_exclude, tc)
93 physmem_hardware_region(2 * PAGE_SIZE, 5 * PAGE_SIZE);
94 physmem_exclude_region(4 * PAGE_SIZE, PAGE_SIZE, EXFLAG_NOALLOC);
96 len = physmem_avail(avail, 6);
98 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
99 ATF_CHECK_EQ(avail[1], 4 * PAGE_SIZE);
100 ATF_CHECK_EQ(avail[2], 5 * PAGE_SIZE);
101 ATF_CHECK_EQ(avail[3], 7 * PAGE_SIZE);
103 /* Check mis-aligned/sized excluded regions work */
104 physmem_exclude_region(4 * PAGE_SIZE - 1, PAGE_SIZE + 2,
106 len = physmem_avail(avail, 6);
107 ATF_CHECK_EQ(len, 4);
108 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
109 ATF_CHECK_EQ(avail[1], 3 * PAGE_SIZE);
110 ATF_CHECK_EQ(avail[2], 6 * PAGE_SIZE);
111 ATF_CHECK_EQ(avail[3], 7 * PAGE_SIZE);
114 ATF_TC_WITHOUT_HEAD(hwregion_unordered);
115 ATF_TC_BODY(hwregion_unordered, tc)
120 /* Add a partial page */
121 physmem_hardware_region(PAGE_SIZE, PAGE_SIZE / 2);
122 /* Add a full page not touching the previous */
123 physmem_hardware_region( 2 * PAGE_SIZE, PAGE_SIZE);
124 /* Add the remainder of the first page */
125 physmem_hardware_region(PAGE_SIZE + PAGE_SIZE / 2, PAGE_SIZE / 2);
127 len = physmem_avail(avail, 4);
128 ATF_CHECK_EQ(len, 2);
129 ATF_CHECK_EQ(avail[0], PAGE_SIZE);
130 ATF_CHECK_EQ(avail[1], 3 * PAGE_SIZE);
136 ATF_TP_ADD_TC(tp, hwregion);
137 ATF_TP_ADD_TC(tp, hwregion_exclude);
138 ATF_TP_ADD_TC(tp, hwregion_unordered);
139 return (atf_no_error());