kopia lustrzana https://github.com/espressif/esp-idf
heap: fix unit test for the case when less than 10k of IRAM is available
rodzic
253930acd1
commit
7a154d6a4e
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@ -9,6 +9,7 @@
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#include "esp_heap_caps.h"
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#include "esp_spi_flash.h"
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#include <stdlib.h>
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#include <sys/param.h>
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TEST_CASE("Capabilities allocator test", "[heap]")
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{
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@ -38,18 +39,24 @@ TEST_CASE("Capabilities allocator test", "[heap]")
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TEST_ASSERT((((int)m1)&0xFF000000)==0x3F000000);
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free(m1);
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printf("Freeing; allocating 10K of 32K-capable RAM\n");
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m1 = heap_caps_malloc(10*1024, MALLOC_CAP_32BIT);
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//The goal here is to allocate from IRAM. Since there is no external IRAM (yet)
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//the following gives size of IRAM-only (not D/IRAM) memory.
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size_t free_iram = heap_caps_get_free_size(MALLOC_CAP_INTERNAL) -
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heap_caps_get_free_size(MALLOC_CAP_8BIT | MALLOC_CAP_INTERNAL);
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size_t alloc32 = MIN(free_iram / 2, 10*1024);
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printf("Freeing; allocating %u bytes of 32K-capable RAM\n", alloc32);
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m1 = heap_caps_malloc(alloc32, MALLOC_CAP_32BIT);
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printf("--> %p\n", m1);
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//Check that we got IRAM back
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TEST_ASSERT((((int)m1)&0xFF000000)==0x40000000);
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free8 = heap_caps_get_free_size(MALLOC_CAP_8BIT);
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free32 = heap_caps_get_free_size(MALLOC_CAP_32BIT);
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printf("Free 8bit-capable memory (after 32-bit): %dK, 32-bit capable memory %dK\n", free8, free32);
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//Only 32-bit should have gone down by 10K: 32-bit isn't necessarily 8bit capable
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TEST_ASSERT(free32<(free32start-10*1024));
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//Only 32-bit should have gone down by alloc32: 32-bit isn't necessarily 8bit capable
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TEST_ASSERT(free32<(free32start-alloc32));
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TEST_ASSERT(free8==free8start);
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//Assume we got IRAM back
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TEST_ASSERT((((int)m1)&0xFF000000)==0x40000000);
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free(m1);
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printf("Allocating impossible caps\n");
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m1= heap_caps_malloc(10*1024, MALLOC_CAP_8BIT|MALLOC_CAP_EXEC);
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printf("--> %p\n", m1);
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@ -57,14 +64,15 @@ TEST_CASE("Capabilities allocator test", "[heap]")
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printf("Testing changeover iram -> dram");
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// priorities will exhaust IRAM first, then start allocating from DRAM
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for (x=0; x<10; x++) {
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m2[x]= heap_caps_malloc(10*1024, MALLOC_CAP_32BIT);
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m2[x]= heap_caps_malloc(alloc32, MALLOC_CAP_32BIT);
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printf("--> %p\n", m2[x]);
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}
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TEST_ASSERT((((int)m2[0])&0xFF000000)==0x40000000);
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TEST_ASSERT((((int)m2[9])&0xFF000000)==0x3F000000);
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printf("Test if allocating executable code still gives IRAM, even with dedicated IRAM region depleted\n");
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// (the allocation should come from D/IRAM)
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m1= heap_caps_malloc(10*1024, MALLOC_CAP_EXEC);
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free_iram = heap_caps_get_free_size(MALLOC_CAP_EXEC);
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m1= heap_caps_malloc(MIN(free_iram / 2, 10*1024), MALLOC_CAP_EXEC);
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printf("--> %p\n", m1);
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TEST_ASSERT((((int)m1)&0xFF000000)==0x40000000);
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free(m1);
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