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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-08-17 Shell test case for aspace_unmap_range
*/
#include "common.h"
#include "lwp_user_mm.h"
#include <mm_aspace.h>
#include <rtthread.h>
static void *vaddr = (void *)0x100000000;
static size_t existed_size = 0x5000;
static char *unmap_start;
static size_t unmap_size = 0x2000;
static size_t former_vsz;
static struct rt_lwp *lwp;
static size_t flags = MMF_PREFETCH | MMF_MAP_FIXED;
static void test_unmap_range_invalid_param(void)
{
rt_mem_obj_t notsupp_object;
/* create an existed mapping */
former_vsz = rt_aspace_count_vsz(lwp->aspace);
uassert_true(!rt_aspace_map(lwp->aspace, &vaddr, existed_size, MMU_MAP_K_RWCB, flags, &rt_mm_dummy_mapper, 0));
utest_int_equal(former_vsz + existed_size, rt_aspace_count_vsz(lwp->aspace));
former_vsz += existed_size;
/* test unaligned vaddr start */
unmap_start = (char *)vaddr - 0x1234;
utest_int_equal(-RT_EINVAL, rt_aspace_unmap_range(lwp->aspace, unmap_start, unmap_size));
utest_int_equal(former_vsz, rt_aspace_count_vsz(lwp->aspace));
/* test unaligned size */
unmap_size = 0x2000;
unmap_start = (char *)vaddr + existed_size - unmap_size;
utest_int_equal(RT_EOK, rt_aspace_unmap_range(lwp->aspace, unmap_start, unmap_size - 0x123));
utest_int_equal(former_vsz - unmap_size, rt_aspace_count_vsz(lwp->aspace));
/* create another mapping binding to mem_obj without proper handler */
notsupp_object = rt_mem_obj_create(&rt_mm_dummy_mapper);
notsupp_object->on_varea_shrink = RT_NULL;
utest_int_equal(
RT_EOK,
rt_aspace_map(lwp->aspace, (void *)&unmap_start, unmap_size, MMU_MAP_K_RWCB, flags, notsupp_object, 0)
);
utest_int_equal(-RT_EPERM, rt_aspace_unmap_range(lwp->aspace, unmap_start, 0x1000));
utest_int_equal(RT_EOK, rt_aspace_unmap_range(lwp->aspace, vaddr, existed_size));
rt_free(notsupp_object);
}
static void aspace_unmap_tc(void)
{
CONSIST_HEAP(test_unmap_range_invalid_param());
}
static rt_err_t utest_tc_init(void)
{
lwp = lwp_create(0);
if (lwp)
lwp_user_space_init(lwp, 1);
else
return -RT_ENOMEM;
return RT_EOK;
}
static rt_err_t utest_tc_cleanup(void)
{
lwp_ref_dec(lwp);
return RT_EOK;
}
static void testcase(void)
{
UTEST_UNIT_RUN(aspace_unmap_tc);
}
UTEST_TC_EXPORT(testcase, "testcases.mm.aspace_unmap_range.invalid_param", utest_tc_init, utest_tc_cleanup, 10);
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