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Merge branch 'bugfix/reserve_dma_ram_in_segments_v4.2' into 'release/v4.2'

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psram: reserve dma pool in the step of heap max block (v4.2)

See merge request espressif/esp-idf!18861
This commit is contained in:
Michael (XIAO Xufeng)
2022-08-01 17:14:46 +08:00
parent 9003e6d1eb da340c02cc
commit 7718c60d81
2 changed files with 30 additions and 12 deletions
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10
components/esp32/spiram.c
View File

@ -189,10 +189,11 @@ esp_err_t esp_spiram_add_to_heapalloc(void)
#endif
}
static uint8_t *dma_heap;
esp_err_t esp_spiram_reserve_dma_pool(size_t size) {
if (size == 0) {
return ESP_OK;
}
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) {
@ -200,7 +201,8 @@ esp_err_t esp_spiram_reserve_dma_pool(size_t size) {
next_size = MIN(next_size, size);
ESP_EARLY_LOGD(TAG, "Allocating block of size %d bytes", next_size);
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;
}

32
components/esp32s2/spiram.c
View File

@ -332,16 +332,32 @@ esp_err_t esp_spiram_add_to_heapalloc(void)
return heap_caps_add_region(vaddr + size_for_flash, vaddr + DRAM0_DRAM1_DPORT_CACHE_SIZE -1);
}
static uint8_t *dma_heap;
esp_err_t esp_spiram_reserve_dma_pool(size_t size) {
if (size==0) return ESP_OK; //no-op
if (size == 0) {
return ESP_OK;
}
ESP_EARLY_LOGI(TAG, "Reserving pool of %dK of internal memory for DMA/internal allocations", size/1024);
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-1);
/* 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);
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);
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);
if (e != ESP_OK) {
return e;
}
size -= next_size;
}
return ESP_OK;
}
size_t esp_spiram_get_size(void)