import RT-Thread@9217865c without bsp, libcpu and components/net
This commit is contained in:
Zihao Yu
commit
e2376a3709
1414 changed files with 390370 additions and 0 deletions
588
examples/utest/testcases/kernel/mem_tc.c
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588
examples/utest/testcases/kernel/mem_tc.c
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@ -0,0 +1,588 @@
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/*
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* Copyright (c) 2006-2021, 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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* 2021-10-14 tyx the first version
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*/
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#include <rtthread.h>
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#include <stdlib.h>
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#include "utest.h"
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struct rt_small_mem_item
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{
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rt_ubase_t pool_ptr; /**< small memory object addr */
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#ifdef ARCH_CPU_64BIT
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rt_uint32_t resv;
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#endif /* ARCH_CPU_64BIT */
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rt_size_t next; /**< next free item */
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rt_size_t prev; /**< prev free item */
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#ifdef RT_USING_MEMTRACE
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#ifdef ARCH_CPU_64BIT
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rt_uint8_t thread[8]; /**< thread name */
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#else
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rt_uint8_t thread[4]; /**< thread name */
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#endif /* ARCH_CPU_64BIT */
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#endif /* RT_USING_MEMTRACE */
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};
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struct rt_small_mem
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{
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struct rt_memory parent; /**< inherit from rt_memory */
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rt_uint8_t *heap_ptr; /**< pointer to the heap */
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struct rt_small_mem_item *heap_end;
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struct rt_small_mem_item *lfree;
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rt_size_t mem_size_aligned; /**< aligned memory size */
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};
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#define MEM_SIZE(_heap, _mem) \
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(((struct rt_small_mem_item *)(_mem))->next - ((rt_ubase_t)(_mem) - \
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(rt_ubase_t)((_heap)->heap_ptr)) - RT_ALIGN(sizeof(struct rt_small_mem_item), RT_ALIGN_SIZE))
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#define TEST_MEM_SIZE 1024
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static rt_size_t max_block(struct rt_small_mem *heap)
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{
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struct rt_small_mem_item *mem;
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rt_size_t max = 0, size;
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for (mem = (struct rt_small_mem_item *)heap->heap_ptr;
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mem != heap->heap_end;
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mem = (struct rt_small_mem_item *)&heap->heap_ptr[mem->next])
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{
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if (((rt_ubase_t)mem->pool_ptr & 0x1) == 0)
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{
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size = MEM_SIZE(heap, mem);
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if (size > max)
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{
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max = size;
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}
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}
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}
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return max;
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}
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static int _mem_cmp(void *ptr, rt_uint8_t v, rt_size_t size)
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{
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while (size-- != 0)
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{
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if (*(rt_uint8_t *)ptr != v)
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return *(rt_uint8_t *)ptr - v;
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}
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return 0;
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}
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struct mem_test_context
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{
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void *ptr;
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rt_size_t size;
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rt_uint8_t magic;
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};
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static void mem_functional_test(void)
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{
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rt_size_t total_size;
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rt_uint8_t *buf;
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struct rt_small_mem *heap;
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rt_uint8_t magic = __LINE__;
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/* Prepare test memory */
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buf = rt_malloc(TEST_MEM_SIZE);
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uassert_not_null(buf);
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uassert_int_equal(RT_ALIGN((rt_ubase_t)buf, RT_ALIGN_SIZE), (rt_ubase_t)buf);
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rt_memset(buf, 0xAA, TEST_MEM_SIZE);
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/* small heap init */
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heap = (struct rt_small_mem *)rt_smem_init("mem_tc", buf, TEST_MEM_SIZE);
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/* get total size */
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total_size = max_block(heap);
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uassert_int_not_equal(total_size, 0);
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/*
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* Allocate all memory at a time and test whether
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* the memory allocation release function is effective
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*/
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{
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struct mem_test_context ctx;
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ctx.magic = magic++;
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ctx.size = max_block(heap);
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ctx.ptr = rt_smem_alloc(&heap->parent, ctx.size);
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uassert_not_null(ctx.ptr);
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rt_memset(ctx.ptr, ctx.magic, ctx.size);
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uassert_int_equal(_mem_cmp(ctx.ptr, ctx.magic, ctx.size), 0);
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rt_smem_free(ctx.ptr);
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uassert_int_equal(max_block(heap), total_size);
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}
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/*
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* Apply for memory release sequentially and
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* test whether memory block merging is effective
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*/
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{
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rt_size_t i, max_free = 0;
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struct mem_test_context ctx[3];
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/* alloc mem */
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for (i = 0; i < sizeof(ctx) / sizeof(ctx[0]); i++)
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{
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ctx[i].magic = magic++;
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ctx[i].size = max_block(heap) / (sizeof(ctx) / sizeof(ctx[0]) - i);
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ctx[i].ptr = rt_smem_alloc(&heap->parent, ctx[i].size);
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uassert_not_null(ctx[i].ptr);
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rt_memset(ctx[i].ptr, ctx[i].magic, ctx[i].size);
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}
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/* All memory has been applied. The remaining memory should be 0 */
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uassert_int_equal(max_block(heap), 0);
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/* Verify that the memory data is correct */
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for (i = 0; i < sizeof(ctx) / sizeof(ctx[0]); i++)
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{
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uassert_int_equal(_mem_cmp(ctx[i].ptr, ctx[i].magic, ctx[i].size), 0);
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}
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/* Sequential memory release */
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for (i = 0; i < sizeof(ctx) / sizeof(ctx[0]); i++)
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{
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uassert_int_equal(_mem_cmp(ctx[i].ptr, ctx[i].magic, ctx[i].size), 0);
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rt_smem_free(ctx[i].ptr);
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max_free += ctx[i].size;
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uassert_true(max_block(heap) >= max_free);
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}
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/* Check whether the memory is fully merged */
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uassert_int_equal(max_block(heap), total_size);
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}
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/*
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* Apply for memory release at an interval to
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* test whether memory block merging is effective
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*/
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{
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rt_size_t i, max_free = 0;
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struct mem_test_context ctx[3];
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/* alloc mem */
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for (i = 0; i < sizeof(ctx) / sizeof(ctx[0]); i++)
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{
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ctx[i].magic = magic++;
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ctx[i].size = max_block(heap) / (sizeof(ctx) / sizeof(ctx[0]) - i);
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ctx[i].ptr = rt_smem_alloc(&heap->parent, ctx[i].size);
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uassert_not_null(ctx[i].ptr);
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rt_memset(ctx[i].ptr, ctx[i].magic, ctx[i].size);
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}
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/* All memory has been applied. The remaining memory should be 0 */
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uassert_int_equal(max_block(heap), 0);
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/* Verify that the memory data is correct */
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for (i = 0; i < sizeof(ctx) / sizeof(ctx[0]); i++)
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{
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uassert_int_equal(_mem_cmp(ctx[i].ptr, ctx[i].magic, ctx[i].size), 0);
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}
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/* Release even address */
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for (i = 0; i < sizeof(ctx) / sizeof(ctx[0]); i++)
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{
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if (i % 2 == 0)
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{
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uassert_int_equal(_mem_cmp(ctx[i].ptr, ctx[i].magic, ctx[i].size), 0);
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rt_smem_free(ctx[i].ptr);
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uassert_true(max_block(heap) >= ctx[0].size);
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}
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}
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/* Release odd addresses and merge memory blocks */
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for (i = 0; i < sizeof(ctx) / sizeof(ctx[0]); i++)
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{
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if (i % 2 != 0)
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{
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uassert_int_equal(_mem_cmp(ctx[i].ptr, ctx[i].magic, ctx[i].size), 0);
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rt_smem_free(ctx[i].ptr);
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max_free += ctx[i - 1].size + ctx[i + 1].size;
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uassert_true(max_block(heap) >= max_free);
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}
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}
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/* Check whether the memory is fully merged */
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uassert_int_equal(max_block(heap), total_size);
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}
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/* mem realloc test,Small - > Large */
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{
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/* Request a piece of memory for subsequent reallocation operations */
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struct mem_test_context ctx[3];
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ctx[0].magic = magic++;
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ctx[0].size = max_block(heap) / 3;
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ctx[0].ptr = rt_smem_alloc(&heap->parent, ctx[0].size);
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uassert_not_null(ctx[0].ptr);
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rt_memset(ctx[0].ptr, ctx[0].magic, ctx[0].size);
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/* Apply for a small piece of memory and split the continuous memory */
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ctx[1].magic = magic++;
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ctx[1].size = RT_ALIGN_SIZE;
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ctx[1].ptr = rt_smem_alloc(&heap->parent, ctx[1].size);
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uassert_not_null(ctx[1].ptr);
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rt_memset(ctx[1].ptr, ctx[1].magic, ctx[1].size);
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/* Check whether the maximum memory block is larger than the first piece of memory */
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uassert_true(max_block(heap) > ctx[0].size);
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/* Reallocate the first piece of memory */
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ctx[2].magic = magic++;
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ctx[2].size = max_block(heap);
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ctx[2].ptr = rt_smem_realloc(&heap->parent, ctx[0].ptr, ctx[2].size);
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uassert_not_null(ctx[2].ptr);
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uassert_int_not_equal(ctx[0].ptr, ctx[2].ptr);
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uassert_int_equal(_mem_cmp(ctx[2].ptr, ctx[0].magic, ctx[0].size), 0);
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rt_memset(ctx[2].ptr, ctx[2].magic, ctx[2].size);
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/* Free the second piece of memory */
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uassert_int_equal(_mem_cmp(ctx[1].ptr, ctx[1].magic, ctx[1].size), 0);
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rt_smem_free(ctx[1].ptr);
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/* Free reallocated memory */
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uassert_int_equal(_mem_cmp(ctx[2].ptr, ctx[2].magic, ctx[2].size), 0);
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rt_smem_free(ctx[2].ptr);
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/* Check memory integrity */
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uassert_int_equal(max_block(heap), total_size);
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}
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/* mem realloc test,Large - > Small */
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{
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rt_size_t max_free;
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struct mem_test_context ctx;
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/* alloc a piece of memory */
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ctx.magic = magic++;
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ctx.size = max_block(heap) / 2;
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ctx.ptr = rt_smem_alloc(&heap->parent, ctx.size);
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uassert_not_null(ctx.ptr);
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rt_memset(ctx.ptr, ctx.magic, ctx.size);
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uassert_int_equal(_mem_cmp(ctx.ptr, ctx.magic, ctx.size), 0);
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/* Get remaining memory */
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max_free = max_block(heap);
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/* Change memory size */
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ctx.size = ctx.size / 2;
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uassert_int_equal((rt_ubase_t)rt_smem_realloc(&heap->parent, ctx.ptr, ctx.size), (rt_ubase_t)ctx.ptr);
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/* Get remaining size */
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uassert_true(max_block(heap) > max_free);
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/* Free memory */
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uassert_int_equal(_mem_cmp(ctx.ptr, ctx.magic, ctx.size), 0);
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rt_smem_free(ctx.ptr);
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/* Check memory integrity */
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uassert_int_equal(max_block(heap), total_size);
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}
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/* mem realloc test,equal */
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{
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rt_size_t max_free;
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struct mem_test_context ctx;
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/* alloc a piece of memory */
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ctx.magic = magic++;
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ctx.size = max_block(heap) / 2;
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ctx.ptr = rt_smem_alloc(&heap->parent, ctx.size);
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uassert_not_null(ctx.ptr);
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rt_memset(ctx.ptr, ctx.magic, ctx.size);
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uassert_int_equal(_mem_cmp(ctx.ptr, ctx.magic, ctx.size), 0);
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/* Get remaining memory */
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max_free = max_block(heap);
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/* Do not change memory size */
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uassert_int_equal((rt_ubase_t)rt_smem_realloc(&heap->parent, ctx.ptr, ctx.size), (rt_ubase_t)ctx.ptr);
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/* Get remaining size */
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uassert_true(max_block(heap) == max_free);
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/* Free memory */
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uassert_int_equal(_mem_cmp(ctx.ptr, ctx.magic, ctx.size), 0);
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rt_smem_free(ctx.ptr);
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/* Check memory integrity */
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uassert_int_equal(max_block(heap), total_size);
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}
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/* small heap deinit */
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rt_smem_detach(&heap->parent);
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/* release test resources */
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rt_free(buf);
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}
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struct mem_alloc_context
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{
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rt_list_t node;
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rt_size_t size;
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rt_uint8_t magic;
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};
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struct mem_alloc_head
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{
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rt_list_t list;
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rt_size_t count;
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rt_tick_t start;
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rt_tick_t end;
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rt_tick_t interval;
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};
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#define MEM_RANG_ALLOC_BLK_MIN 2
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#define MEM_RANG_ALLOC_BLK_MAX 5
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#define MEM_RANG_ALLOC_TEST_TIME 5
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static void mem_alloc_test(void)
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{
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struct mem_alloc_head head;
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rt_uint8_t *buf;
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struct rt_small_mem *heap;
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rt_size_t total_size, size;
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struct mem_alloc_context *ctx;
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/* init */
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rt_list_init(&head.list);
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head.count = 0;
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head.start = rt_tick_get();
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head.end = rt_tick_get() + rt_tick_from_millisecond(MEM_RANG_ALLOC_TEST_TIME * 1000);
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head.interval = (head.end - head.start) / 20;
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buf = rt_malloc(TEST_MEM_SIZE);
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uassert_not_null(buf);
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uassert_int_equal(RT_ALIGN((rt_ubase_t)buf, RT_ALIGN_SIZE), (rt_ubase_t)buf);
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rt_memset(buf, 0xAA, TEST_MEM_SIZE);
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heap = (struct rt_small_mem *)rt_smem_init("mem_tc", buf, TEST_MEM_SIZE);
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total_size = max_block(heap);
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uassert_int_not_equal(total_size, 0);
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/* test run */
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while (head.end - head.start < RT_TICK_MAX / 2)
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{
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if (rt_tick_get() - head.start >= head.interval)
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{
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head.start = rt_tick_get();
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rt_kprintf("#");
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}
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/* %60 probability to perform alloc operation */
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if (rand() % 10 >= 4)
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{
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size = rand() % MEM_RANG_ALLOC_BLK_MAX + MEM_RANG_ALLOC_BLK_MIN;
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size *= sizeof(struct mem_alloc_context);
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ctx = rt_smem_alloc(&heap->parent, size);
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if (ctx == RT_NULL)
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{
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if (head.count == 0)
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{
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break;
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}
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size = head.count / 2;
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while (size != head.count)
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{
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ctx = rt_list_first_entry(&head.list, struct mem_alloc_context, node);
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rt_list_remove(&ctx->node);
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if (ctx->size > sizeof(*ctx))
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{
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if (_mem_cmp(&ctx[1], ctx->magic, ctx->size - sizeof(*ctx)) != 0)
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{
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uassert_true(0);
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}
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}
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rt_memset(ctx, 0xAA, ctx->size);
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rt_smem_free(ctx);
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head.count --;
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}
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continue;
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}
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if (RT_ALIGN((rt_ubase_t)ctx, RT_ALIGN_SIZE) != (rt_ubase_t)ctx)
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{
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uassert_int_equal(RT_ALIGN((rt_ubase_t)ctx, RT_ALIGN_SIZE), (rt_ubase_t)ctx);
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}
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rt_memset(ctx, 0, size);
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rt_list_init(&ctx->node);
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ctx->size = size;
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ctx->magic = rand() & 0xff;
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if (ctx->size > sizeof(*ctx))
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{
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rt_memset(&ctx[1], ctx->magic, ctx->size - sizeof(*ctx));
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}
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rt_list_insert_after(&head.list, &ctx->node);
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head.count += 1;
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}
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else
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{
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if (!rt_list_isempty(&head.list))
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{
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ctx = rt_list_first_entry(&head.list, struct mem_alloc_context, node);
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rt_list_remove(&ctx->node);
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if (ctx->size > sizeof(*ctx))
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{
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if (_mem_cmp(&ctx[1], ctx->magic, ctx->size - sizeof(*ctx)) != 0)
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{
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uassert_true(0);
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}
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}
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rt_memset(ctx, 0xAA, ctx->size);
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rt_smem_free(ctx);
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head.count --;
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}
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}
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}
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while (!rt_list_isempty(&head.list))
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{
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ctx = rt_list_first_entry(&head.list, struct mem_alloc_context, node);
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rt_list_remove(&ctx->node);
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if (ctx->size > sizeof(*ctx))
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{
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if (_mem_cmp(&ctx[1], ctx->magic, ctx->size - sizeof(*ctx)) != 0)
|
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{
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uassert_true(0);
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}
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}
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rt_memset(ctx, 0xAA, ctx->size);
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rt_smem_free(ctx);
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head.count --;
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}
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uassert_int_equal(head.count, 0);
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uassert_int_equal(max_block(heap), total_size);
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/* small heap deinit */
|
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rt_smem_detach(&heap->parent);
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/* release test resources */
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rt_free(buf);
|
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}
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#define MEM_RANG_REALLOC_BLK_MIN 0
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#define MEM_RANG_REALLOC_BLK_MAX 5
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#define MEM_RANG_REALLOC_TEST_TIME 5
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|
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struct mem_realloc_context
|
||||
{
|
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rt_size_t size;
|
||||
rt_uint8_t magic;
|
||||
};
|
||||
|
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struct mem_realloc_head
|
||||
{
|
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struct mem_realloc_context **ctx_tab;
|
||||
rt_size_t count;
|
||||
rt_tick_t start;
|
||||
rt_tick_t end;
|
||||
rt_tick_t interval;
|
||||
};
|
||||
|
||||
static void mem_realloc_test(void)
|
||||
{
|
||||
struct mem_realloc_head head;
|
||||
rt_uint8_t *buf;
|
||||
struct rt_small_mem *heap;
|
||||
rt_size_t total_size, size, idx;
|
||||
struct mem_realloc_context *ctx;
|
||||
int res;
|
||||
|
||||
size = RT_ALIGN(sizeof(struct mem_realloc_context), RT_ALIGN_SIZE) + RT_ALIGN_SIZE;
|
||||
size = TEST_MEM_SIZE / size;
|
||||
/* init */
|
||||
head.ctx_tab = RT_NULL;
|
||||
head.count = size;
|
||||
head.start = rt_tick_get();
|
||||
head.end = rt_tick_get() + rt_tick_from_millisecond(MEM_RANG_ALLOC_TEST_TIME * 1000);
|
||||
head.interval = (head.end - head.start) / 20;
|
||||
buf = rt_malloc(TEST_MEM_SIZE);
|
||||
uassert_not_null(buf);
|
||||
uassert_int_equal(RT_ALIGN((rt_ubase_t)buf, RT_ALIGN_SIZE), (rt_ubase_t)buf);
|
||||
rt_memset(buf, 0xAA, TEST_MEM_SIZE);
|
||||
heap = (struct rt_small_mem *)rt_smem_init("mem_tc", buf, TEST_MEM_SIZE);
|
||||
total_size = max_block(heap);
|
||||
uassert_int_not_equal(total_size, 0);
|
||||
/* init ctx tab */
|
||||
size = head.count * sizeof(struct mem_realloc_context *);
|
||||
head.ctx_tab = rt_smem_alloc(&heap->parent, size);
|
||||
uassert_not_null(head.ctx_tab);
|
||||
rt_memset(head.ctx_tab, 0, size);
|
||||
/* test run */
|
||||
while (head.end - head.start < RT_TICK_MAX / 2)
|
||||
{
|
||||
if (rt_tick_get() - head.start >= head.interval)
|
||||
{
|
||||
head.start = rt_tick_get();
|
||||
rt_kprintf("#");
|
||||
}
|
||||
size = rand() % MEM_RANG_ALLOC_BLK_MAX + MEM_RANG_ALLOC_BLK_MIN;
|
||||
size *= sizeof(struct mem_realloc_context);
|
||||
idx = rand() % head.count;
|
||||
ctx = rt_smem_realloc(&heap->parent, head.ctx_tab[idx], size);
|
||||
if (ctx == RT_NULL)
|
||||
{
|
||||
if (size == 0)
|
||||
{
|
||||
if (head.ctx_tab[idx])
|
||||
{
|
||||
head.ctx_tab[idx] = RT_NULL;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for (idx = 0; idx < head.count; idx++)
|
||||
{
|
||||
ctx = head.ctx_tab[idx];
|
||||
if (rand() % 2 && ctx)
|
||||
{
|
||||
if (ctx->size > sizeof(*ctx))
|
||||
{
|
||||
res = _mem_cmp(&ctx[1], ctx->magic, ctx->size - sizeof(*ctx));
|
||||
if (res != 0)
|
||||
{
|
||||
uassert_int_equal(res, 0);
|
||||
}
|
||||
}
|
||||
rt_memset(ctx, 0xAA, ctx->size);
|
||||
rt_smem_realloc(&heap->parent, ctx, 0);
|
||||
head.ctx_tab[idx] = RT_NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
continue;
|
||||
}
|
||||
/* check mem */
|
||||
if (head.ctx_tab[idx] != RT_NULL)
|
||||
{
|
||||
res = 0;
|
||||
if (ctx->size < size)
|
||||
{
|
||||
if (ctx->size > sizeof(*ctx))
|
||||
{
|
||||
res = _mem_cmp(&ctx[1], ctx->magic, ctx->size - sizeof(*ctx));
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (size > sizeof(*ctx))
|
||||
{
|
||||
res = _mem_cmp(&ctx[1], ctx->magic, size - sizeof(*ctx));
|
||||
}
|
||||
}
|
||||
if (res != 0)
|
||||
{
|
||||
uassert_int_equal(res, 0);
|
||||
}
|
||||
}
|
||||
/* init mem */
|
||||
ctx->magic = rand() & 0xff;
|
||||
ctx->size = size;
|
||||
if (ctx->size > sizeof(*ctx))
|
||||
{
|
||||
rt_memset(&ctx[1], ctx->magic, ctx->size - sizeof(*ctx));
|
||||
}
|
||||
head.ctx_tab[idx] = ctx;
|
||||
}
|
||||
/* free all mem */
|
||||
for (idx = 0; idx < head.count; idx++)
|
||||
{
|
||||
ctx = head.ctx_tab[idx];
|
||||
if (ctx == RT_NULL)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
if (ctx->size > sizeof(*ctx))
|
||||
{
|
||||
res = _mem_cmp(&ctx[1], ctx->magic, ctx->size - sizeof(*ctx));
|
||||
if (res != 0)
|
||||
{
|
||||
uassert_int_equal(res, 0);
|
||||
}
|
||||
}
|
||||
rt_memset(ctx, 0xAA, ctx->size);
|
||||
rt_smem_realloc(&heap->parent, ctx, 0);
|
||||
head.ctx_tab[idx] = RT_NULL;
|
||||
}
|
||||
uassert_int_not_equal(max_block(heap), total_size);
|
||||
/* small heap deinit */
|
||||
rt_smem_detach(&heap->parent);
|
||||
/* release test resources */
|
||||
rt_free(buf);
|
||||
}
|
||||
|
||||
static rt_err_t utest_tc_init(void)
|
||||
{
|
||||
return RT_EOK;
|
||||
}
|
||||
|
||||
static rt_err_t utest_tc_cleanup(void)
|
||||
{
|
||||
return RT_EOK;
|
||||
}
|
||||
|
||||
static void testcase(void)
|
||||
{
|
||||
UTEST_UNIT_RUN(mem_functional_test);
|
||||
UTEST_UNIT_RUN(mem_alloc_test);
|
||||
UTEST_UNIT_RUN(mem_realloc_test);
|
||||
}
|
||||
UTEST_TC_EXPORT(testcase, "testcases.kernel.mem_tc", utest_tc_init, utest_tc_cleanup, 20);
|
||||
Loading…
Add table
Add a link
Reference in a new issue