esp-idf/components/heap/test_apps/main/test_aligned_alloc_caps.c

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/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
/*
Tests for the capabilities-based memory allocator.
*/
#include <esp_types.h>
#include <stdio.h>
#include "unity.h"
#include "esp_attr.h"
#include "esp_heap_caps.h"
#include "spi_flash_mmap.h"
#include <stdlib.h>
#include <sys/param.h>
#include <string.h>
#include <malloc.h>
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#include <inttypes.h>
TEST_CASE("Capabilities aligned allocator test", "[heap]")
{
uint32_t alignments = 0;
printf("[ALIGNED_ALLOC] Allocating from default CAP: \n");
for(;alignments <= 1024; alignments++) {
uint8_t *buf = (uint8_t *)memalign(alignments, (alignments + 137));
if(((alignments & (alignments - 1)) != 0) || (!alignments)) {
TEST_ASSERT( buf == NULL );
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//printf("[ALIGNED_ALLOC] alignment: %"PRIu32" is not a power of two, don't allow allocation \n", aligments);
} else {
TEST_ASSERT( buf != NULL );
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printf("[ALIGNED_ALLOC] alignment required: %"PRIu32" \n", alignments);
printf("[ALIGNED_ALLOC] address of allocated memory: %p \n\n", (void *)buf);
//Address of obtained block must be aligned with selected value
TEST_ASSERT(((intptr_t)buf & (alignments - 1)) == 0);
//Write some data, if it corrupts memory probably the heap
//canary verification will fail:
memset(buf, 0xA5, (alignments + 137));
free(buf);
}
}
//Alloc from a non permitted area:
uint32_t *not_permitted_buf = (uint32_t *)heap_caps_aligned_alloc(alignments, (alignments + 137), MALLOC_CAP_EXEC | MALLOC_CAP_32BIT);
TEST_ASSERT( not_permitted_buf == NULL );
#if CONFIG_SPIRAM
alignments = 0;
printf("[ALIGNED_ALLOC] Allocating from external memory: \n");
for(;alignments <= 1024 * 512; alignments++) {
//Now try to take aligned memory from IRAM:
uint8_t *buf = (uint8_t *)heap_caps_aligned_alloc(alignments, 10*1024, MALLOC_CAP_SPIRAM);
if(((alignments & (alignments - 1)) != 0) || (!alignments)) {
TEST_ASSERT( buf == NULL );
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//printf("[ALIGNED_ALLOC] alignment: %"PRIu32" is not a power of two, don't allow allocation \n", aligments);
} else {
TEST_ASSERT( buf != NULL );
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printf("[ALIGNED_ALLOC] alignment required: %"PRIu32" \n", alignments);
printf("[ALIGNED_ALLOC] address of allocated memory: %p \n\n", (void *)buf);
//Address of obtained block must be aligned with selected value
TEST_ASSERT(((intptr_t)buf & (alignments - 1)) == 0);
//Write some data, if it corrupts memory probably the heap
//canary verification will fail:
memset(buf, 0xA5, (10*1024));
heap_caps_free(buf);
}
}
#endif
}
TEST_CASE("Capabilities aligned calloc test", "[heap]")
{
uint32_t alignments = 0;
printf("[ALIGNED_ALLOC] Allocating from default CAP: \n");
for(;alignments <= 1024; alignments++) {
uint8_t *buf = (uint8_t *)heap_caps_aligned_calloc(alignments, 1, (alignments + 137), MALLOC_CAP_DEFAULT);
if(((alignments & (alignments - 1)) != 0) || (!alignments)) {
TEST_ASSERT( buf == NULL );
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//printf("[ALIGNED_ALLOC] alignment: %"PRIu32" is not a power of two, don't allow allocation \n", aligments);
} else {
TEST_ASSERT( buf != NULL );
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printf("[ALIGNED_ALLOC] alignment required: %"PRIu32" \n", alignments);
printf("[ALIGNED_ALLOC] address of allocated memory: %p \n\n", (void *)buf);
//Address of obtained block must be aligned with selected value
TEST_ASSERT(((intptr_t)buf & (alignments - 1)) == 0);
//Write some data, if it corrupts memory probably the heap
//canary verification will fail:
memset(buf, 0xA5, (alignments + 137));
heap_caps_free(buf);
}
}
//Check if memory is initialized with zero:
uint8_t byte_array[1024];
memset(&byte_array, 0, sizeof(byte_array));
uint8_t *buf = (uint8_t *)heap_caps_aligned_calloc(1024, 1, 1024, MALLOC_CAP_DEFAULT);
TEST_ASSERT(memcmp(byte_array, buf, sizeof(byte_array)) == 0);
heap_caps_free(buf);
//Same size, but different chunk:
buf = (uint8_t *)heap_caps_aligned_calloc(1024, 1024, 1, MALLOC_CAP_DEFAULT);
TEST_ASSERT(memcmp(byte_array, buf, sizeof(byte_array)) == 0);
heap_caps_free(buf);
//Alloc from a non permitted area:
uint32_t *not_permitted_buf = (uint32_t *)heap_caps_aligned_calloc(alignments, 1, (alignments + 137), MALLOC_CAP_32BIT);
TEST_ASSERT( not_permitted_buf == NULL );
#if CONFIG_SPIRAM
alignments = 0;
printf("[ALIGNED_ALLOC] Allocating from external memory: \n");
for(;alignments <= 1024 * 512; alignments++) {
//Now try to take aligned memory from IRAM:
uint8_t *buf = (uint8_t *)(uint8_t *)heap_caps_aligned_calloc(alignments, 1, 10*1024, MALLOC_CAP_SPIRAM);
if(((alignments & (alignments - 1)) != 0) || (!alignments)) {
TEST_ASSERT( buf == NULL );
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//printf("[ALIGNED_ALLOC] alignment: %"PRIu32" is not a power of two, don't allow allocation \n", aligments);
} else {
TEST_ASSERT( buf != NULL );
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printf("[ALIGNED_ALLOC] alignment required: %"PRIu32" \n", alignments);
printf("[ALIGNED_ALLOC] address of allocated memory: %p \n\n", (void *)buf);
//Address of obtained block must be aligned with selected value
TEST_ASSERT(((intptr_t)buf & (alignments - 1)) == 0);
//Write some data, if it corrupts memory probably the heap
//canary verification will fail:
memset(buf, 0xA5, (10*1024));
heap_caps_free(buf);
}
}
#endif
}
TEST_CASE("aligned_alloc(0) should return a NULL pointer", "[heap]")
{
void *p;
p = heap_caps_aligned_alloc(32, 0, MALLOC_CAP_DEFAULT);
TEST_ASSERT(p == NULL);
}