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 #include <sys/param.h>
32 #include <sys/physmem.h>
36 ATF_TC_WITHOUT_HEAD(hwregion);
37 ATF_TC_BODY(hwregion, tc)
42 physmem_hardware_region(2 * PAGE_SIZE, PAGE_SIZE);
44 len = physmem_avail(avail, 4);
46 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
47 ATF_CHECK_EQ(avail[1], 3 * PAGE_SIZE);
50 physmem_hardware_region(2 * PAGE_SIZE, 2 * PAGE_SIZE);
51 len = physmem_avail(avail, 4);
53 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
54 ATF_CHECK_EQ(avail[1], 4 * PAGE_SIZE);
56 /* Add a touching region */
57 physmem_hardware_region(4 * PAGE_SIZE, PAGE_SIZE);
58 len = physmem_avail(avail, 4);
60 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
61 ATF_CHECK_EQ(avail[1], 5 * PAGE_SIZE);
63 /* Add a partial overlap */
64 physmem_hardware_region(4 * PAGE_SIZE, 2 * PAGE_SIZE);
65 len = physmem_avail(avail, 4);
67 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
68 ATF_CHECK_EQ(avail[1], 6 * PAGE_SIZE);
70 /* Add a non-page aligned section */
71 physmem_hardware_region(6 * PAGE_SIZE, PAGE_SIZE / 2);
72 len = physmem_avail(avail, 4);
74 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
75 ATF_CHECK_EQ(avail[1], 6 * PAGE_SIZE);
77 /* Add the remaining part of the page */
78 physmem_hardware_region(6 * PAGE_SIZE + PAGE_SIZE / 2, PAGE_SIZE / 2);
79 len = physmem_avail(avail, 4);
81 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
82 ATF_CHECK_EQ(avail[1], 7 * PAGE_SIZE);
85 ATF_TC_WITHOUT_HEAD(hwregion_exclude);
86 ATF_TC_BODY(hwregion_exclude, tc)
91 physmem_hardware_region(2 * PAGE_SIZE, 5 * PAGE_SIZE);
92 physmem_exclude_region(4 * PAGE_SIZE, PAGE_SIZE, EXFLAG_NOALLOC);
94 len = physmem_avail(avail, 6);
96 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
97 ATF_CHECK_EQ(avail[1], 4 * PAGE_SIZE);
98 ATF_CHECK_EQ(avail[2], 5 * PAGE_SIZE);
99 ATF_CHECK_EQ(avail[3], 7 * PAGE_SIZE);
101 /* Check mis-aligned/sized excluded regions work */
102 physmem_exclude_region(4 * PAGE_SIZE - 1, PAGE_SIZE + 2,
104 len = physmem_avail(avail, 6);
105 ATF_CHECK_EQ(len, 4);
106 ATF_CHECK_EQ(avail[0], 2 * PAGE_SIZE);
107 ATF_CHECK_EQ(avail[1], 3 * PAGE_SIZE);
108 ATF_CHECK_EQ(avail[2], 6 * PAGE_SIZE);
109 ATF_CHECK_EQ(avail[3], 7 * PAGE_SIZE);
112 ATF_TC_WITHOUT_HEAD(hwregion_unordered);
113 ATF_TC_BODY(hwregion_unordered, tc)
118 /* Add a partial page */
119 physmem_hardware_region(PAGE_SIZE, PAGE_SIZE / 2);
120 /* Add a full page not touching the previous */
121 physmem_hardware_region( 2 * PAGE_SIZE, PAGE_SIZE);
122 /* Add the remainder of the first page */
123 physmem_hardware_region(PAGE_SIZE + PAGE_SIZE / 2, PAGE_SIZE / 2);
125 len = physmem_avail(avail, 4);
126 ATF_CHECK_EQ(len, 2);
127 ATF_CHECK_EQ(avail[0], PAGE_SIZE);
128 ATF_CHECK_EQ(avail[1], 3 * PAGE_SIZE);
134 ATF_TP_ADD_TC(tp, hwregion);
135 ATF_TP_ADD_TC(tp, hwregion_exclude);
136 ATF_TP_ADD_TC(tp, hwregion_unordered);
137 return (atf_no_error());