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https://github.com/espressif/esp-idf.git
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69096ddce5
Software support for PMS module. Allows controlled memory access to IRAM (R/W/X) and DRAM0 (R/W) On/locked by default, configurable in Kconfig (esp_system) Closes https://jira.espressif.com:8443/browse/IDF-2092
73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
/*
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Tests for registering new heap memory at runtime
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*/
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#include <stdio.h>
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#include "unity.h"
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#include "esp_heap_caps_init.h"
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#include "esp_system.h"
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#include <stdlib.h>
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/* NOTE: This is not a well-formed unit test, it leaks memory */
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TEST_CASE("Allocate new heap at runtime", "[heap][ignore]")
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{
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const size_t BUF_SZ = 1000;
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const size_t HEAP_OVERHEAD_MAX = 200;
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void *buffer = malloc(BUF_SZ);
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TEST_ASSERT_NOT_NULL(buffer);
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uint32_t before_free = esp_get_free_heap_size();
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TEST_ESP_OK( heap_caps_add_region((intptr_t)buffer, (intptr_t)buffer + BUF_SZ) );
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uint32_t after_free = esp_get_free_heap_size();
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printf("Before %u after %u\n", before_free, after_free);
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/* allow for some 'heap overhead' from accounting structures */
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TEST_ASSERT(after_free >= before_free + BUF_SZ - HEAP_OVERHEAD_MAX);
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}
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/* NOTE: This is not a well-formed unit test, it leaks memory and
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may fail if run twice in a row without a reset.
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*/
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TEST_CASE("Allocate new heap with new capability", "[heap][ignore]")
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{
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const size_t BUF_SZ = 100;
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#ifdef CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
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const size_t ALLOC_SZ = 32;
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#else
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const size_t ALLOC_SZ = 64; // More than half of BUF_SZ
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#endif
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const uint32_t MALLOC_CAP_INVENTED = (1 << 30); /* this must be unused in esp_heap_caps.h */
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/* no memory exists to provide this capability */
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TEST_ASSERT_NULL( heap_caps_malloc(ALLOC_SZ, MALLOC_CAP_INVENTED) );
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void *buffer = malloc(BUF_SZ);
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TEST_ASSERT_NOT_NULL(buffer);
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uint32_t caps[SOC_MEMORY_TYPE_NO_PRIOS] = { MALLOC_CAP_INVENTED };
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TEST_ESP_OK( heap_caps_add_region_with_caps(caps, (intptr_t)buffer, (intptr_t)buffer + BUF_SZ) );
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/* ta-da, it's now possible! */
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TEST_ASSERT_NOT_NULL( heap_caps_malloc(ALLOC_SZ, MALLOC_CAP_INVENTED) );
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}
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/* NOTE: This is not a well-formed unit test.
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* If run twice without a reset, it will failed.
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*/
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TEST_CASE("Add .bss memory to heap region runtime", "[heap][ignore]")
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{
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#define BUF_SZ 1000
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#define HEAP_OVERHEAD_MAX 200
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static uint8_t s_buffer[BUF_SZ];
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printf("s_buffer start %08x end %08x\n", (intptr_t)s_buffer, (intptr_t)s_buffer + BUF_SZ);
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uint32_t before_free = esp_get_free_heap_size();
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TEST_ESP_OK( heap_caps_add_region((intptr_t)s_buffer, (intptr_t)s_buffer + BUF_SZ) );
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uint32_t after_free = esp_get_free_heap_size();
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printf("Before %u after %u\n", before_free, after_free);
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/* allow for some 'heap overhead' from accounting structures */
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TEST_ASSERT(after_free >= before_free + BUF_SZ - HEAP_OVERHEAD_MAX);
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/* Twice add must be failed */
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TEST_ASSERT( (heap_caps_add_region((intptr_t)s_buffer, (intptr_t)s_buffer + BUF_SZ) != ESP_OK) );
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}
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