76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
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/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-08-17 Shell test case for aspace_unmap_range
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*/
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#include "common.h"
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#include "lwp_user_mm.h"
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#include <mm_aspace.h>
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#include <rtthread.h>
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static void *vaddr = (void *)0x100000000;
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static size_t existed_size = 0x5000;
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static char *unmap_start;
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static char *unmap_end;
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static size_t former_vsz;
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static size_t unmap_size = 0x2000;
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static struct rt_lwp *lwp;
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static void test_unmap_range_shrink(void)
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{
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/* create an existed mapping */
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former_vsz = rt_aspace_count_vsz(lwp->aspace);
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uassert_true(!rt_aspace_map(lwp->aspace, &vaddr, existed_size, MMU_MAP_K_RWCB, MMF_PREFETCH, &rt_mm_dummy_mapper, 0));
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utest_int_equal(former_vsz + existed_size, rt_aspace_count_vsz(lwp->aspace));
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former_vsz += existed_size;
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/* test the shrink mode of unmap from LEFT side */
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unmap_start = (char *)vaddr - unmap_size/2;
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uassert_true(!rt_aspace_unmap_range(lwp->aspace, unmap_start, unmap_size));
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unmap_end = unmap_start + unmap_size;
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uassert_true(rt_hw_mmu_v2p(lwp->aspace, unmap_end) != ARCH_MAP_FAILED);
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utest_int_equal(former_vsz - (unmap_end - (char *)vaddr), rt_aspace_count_vsz(lwp->aspace));
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former_vsz -= unmap_end - (char *)vaddr;
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/* test the shrink mode of unmap from RIGHT side */
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unmap_start = (char *)vaddr + existed_size - unmap_size / 2;
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uassert_true(!rt_aspace_unmap_range(lwp->aspace, unmap_start, unmap_size));
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uassert_true(rt_hw_mmu_v2p(lwp->aspace, unmap_start - 1) != ARCH_MAP_FAILED);
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utest_int_equal(former_vsz - (unmap_end - (char *)vaddr), rt_aspace_count_vsz(lwp->aspace));
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former_vsz -= unmap_end - (char *)vaddr;
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utest_int_equal(RT_EOK, rt_aspace_unmap_range(lwp->aspace, vaddr, existed_size));
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}
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static void aspace_unmap_tc(void)
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{
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CONSIST_HEAP(test_unmap_range_shrink());
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}
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static rt_err_t utest_tc_init(void)
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{
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lwp = lwp_create(0);
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if (lwp)
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lwp_user_space_init(lwp, 1);
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else
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return -RT_ENOMEM;
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return RT_EOK;
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}
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static rt_err_t utest_tc_cleanup(void)
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{
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lwp_ref_dec(lwp);
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return RT_EOK;
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}
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static void testcase(void)
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{
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UTEST_UNIT_RUN(aspace_unmap_tc);
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}
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UTEST_TC_EXPORT(testcase, "testcases.mm.aspace_unmap_range.shrink", utest_tc_init, utest_tc_cleanup, 10);
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