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Merge branch 'bugfix/reserve_dma_ram_in_segments' into 'master'

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psram: reserve dma pool in the step of heap max block

Closes IDF-4936

See merge request espressif/esp-idf!18740
This commit is contained in:
Armando (Dou Yiwen) 2022-07-01 15:48:23 +08:00
commit 4cc0492901
1 changed files with 11 additions and 22 deletions
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33
components/esp_psram/esp_psram.c
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@ -248,22 +248,26 @@ esp_err_t esp_psram_extram_get_alloced_range(intptr_t *out_vstart, intptr_t *out
return ESP_OK;
}
#if CONFIG_IDF_TARGET_ESP32
esp_err_t esp_psram_extram_reserve_dma_pool(size_t size) {
ESP_EARLY_LOGI(TAG, "Reserving pool of %dK of internal memory for DMA/internal allocations", size/1024);
esp_err_t esp_psram_extram_reserve_dma_pool(size_t size)
{
if (size == 0) {
return ESP_OK; //no-op
}
ESP_EARLY_LOGI(TAG, "Reserving pool of %dK of internal memory for DMA/internal allocations", size / 1024);
/* Pool may be allocated in multiple non-contiguous chunks, depending on available RAM */
while (size > 0) {
size_t next_size = heap_caps_get_largest_free_block(MALLOC_CAP_DMA|MALLOC_CAP_INTERNAL);
size_t next_size = heap_caps_get_largest_free_block(MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL);
next_size = MIN(next_size, size);
ESP_EARLY_LOGD(TAG, "Allocating block of size %d bytes", next_size);
uint8_t *dma_heap = heap_caps_malloc(next_size, MALLOC_CAP_DMA|MALLOC_CAP_INTERNAL);
uint8_t *dma_heap = heap_caps_malloc(next_size, MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL);
if (!dma_heap || next_size == 0) {
return ESP_ERR_NO_MEM;
}
uint32_t caps[] = { 0, MALLOC_CAP_DMA|MALLOC_CAP_INTERNAL, MALLOC_CAP_8BIT|MALLOC_CAP_32BIT };
esp_err_t e = heap_caps_add_region_with_caps(caps, (intptr_t) dma_heap, (intptr_t) dma_heap+next_size-1);
uint32_t caps[] = {0, MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL, MALLOC_CAP_8BIT | MALLOC_CAP_32BIT};
esp_err_t e = heap_caps_add_region_with_caps(caps, (intptr_t)dma_heap, (intptr_t)dma_heap + next_size - 1);
if (e != ESP_OK) {
return e;
}
@ -271,21 +275,6 @@ esp_err_t esp_psram_extram_reserve_dma_pool(size_t size) {
}
return ESP_OK;
}
#else
esp_err_t esp_psram_extram_reserve_dma_pool(size_t size)
{
if (size == 0) {
return ESP_OK; //no-op
}
ESP_EARLY_LOGI(TAG, "Reserving pool of %dK of internal memory for DMA/internal allocations", size/1024);
uint8_t *dma_heap = heap_caps_malloc(size, MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL);
if (!dma_heap) {
return ESP_ERR_NO_MEM;
}
uint32_t caps[] = {MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL, 0, MALLOC_CAP_8BIT | MALLOC_CAP_32BIT};
return heap_caps_add_region_with_caps(caps, (intptr_t) dma_heap, (intptr_t) dma_heap + size);
}
#endif
bool IRAM_ATTR esp_psram_is_initialized(void)
{