1 /*
2 * Copyright (c) 2006-2023, RT-Thread Development Team
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Change Logs:
7 * Date Author Notes
8 * 2023-08-17 Shell test case for aspace_unmap_range
9 */
10 #include "common.h"
11 #include "lwp_user_mm.h"
12 #include <mm_aspace.h>
13
14 #include <rtthread.h>
15
16 static void *vaddr = (void *)0x100000000;
17 static size_t existed_size = 0x5000;
18 static char *unmap_start = (char *)0x100000000 + 0x3000;
19 static size_t former_vsz;
20 static size_t unmap_size = 0x1000;
21 static struct rt_lwp *lwp;
22
test_unmap_range_split(void)23 static void test_unmap_range_split(void)
24 {
25 /* create an existed mapping */
26 former_vsz = rt_aspace_count_vsz(lwp->aspace);
27 uassert_true(!rt_aspace_map(lwp->aspace, &vaddr, existed_size, MMU_MAP_K_RWCB, MMF_PREFETCH, &rt_mm_dummy_mapper, 0));
28 utest_int_equal(former_vsz + existed_size, rt_aspace_count_vsz(lwp->aspace));
29 former_vsz += existed_size;
30
31 /* test the split mode of unmap */
32 utest_int_equal(RT_EOK, rt_aspace_unmap_range(lwp->aspace, unmap_start, unmap_size));
33 uassert_true(rt_hw_mmu_v2p(lwp->aspace, unmap_start - 1) != ARCH_MAP_FAILED);
34 uassert_true(rt_hw_mmu_v2p(lwp->aspace, unmap_start + unmap_size) != ARCH_MAP_FAILED);
35 utest_int_equal(former_vsz - unmap_size, rt_aspace_count_vsz(lwp->aspace));
36
37 utest_int_equal(RT_EOK, rt_aspace_unmap_range(lwp->aspace, vaddr, existed_size));
38 }
39
aspace_unmap_tc(void)40 static void aspace_unmap_tc(void)
41 {
42 CONSIST_HEAP(test_unmap_range_split());
43 }
44
utest_tc_init(void)45 static rt_err_t utest_tc_init(void)
46 {
47 lwp = lwp_create(0);
48 if (lwp)
49 lwp_user_space_init(lwp, 1);
50 else
51 return -RT_ENOMEM;
52 return RT_EOK;
53 }
54
utest_tc_cleanup(void)55 static rt_err_t utest_tc_cleanup(void)
56 {
57 lwp_ref_dec(lwp);
58 return RT_EOK;
59 }
60
testcase(void)61 static void testcase(void)
62 {
63 UTEST_UNIT_RUN(aspace_unmap_tc);
64 }
65 UTEST_TC_EXPORT(testcase, "testcases.mm.aspace_unmap_range.split", utest_tc_init, utest_tc_cleanup, 10);
66