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mmap: fixed the issue mmap cannot be called with pointers to psram

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This commit is contained in:
Michael (XIAO Xufeng)
2020-12-09 18:38:09 +08:00
parent 66d65e66fd
commit 50b87ff953
1 changed files with 7 additions and 5 deletions
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12
components/spi_flash/flash_mmap.c
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@ -165,6 +165,8 @@ esp_err_t IRAM_ATTR spi_flash_mmap_pages(const int *pages, size_t page_count, sp
const void** out_ptr, spi_flash_mmap_handle_t* out_handle) const void** out_ptr, spi_flash_mmap_handle_t* out_handle)
{ {
esp_err_t ret; esp_err_t ret;
const void* temp_ptr = *out_ptr = NULL;
spi_flash_mmap_handle_t temp_handle = *out_handle = (spi_flash_mmap_handle_t)NULL;
bool need_flush = false; bool need_flush = false;
if (!page_count) { if (!page_count) {
return ESP_ERR_INVALID_ARG; return ESP_ERR_INVALID_ARG;
@ -220,8 +222,6 @@ esp_err_t IRAM_ATTR spi_flash_mmap_pages(const int *pages, size_t page_count, sp
} }
// checked all the region(s) and haven't found anything? // checked all the region(s) and haven't found anything?
if (start == end) { if (start == end) {
*out_handle = 0;
*out_ptr = NULL;
ret = ESP_ERR_NO_MEM; ret = ESP_ERR_NO_MEM;
} else { } else {
// set up mapping using pages // set up mapping using pages
@ -263,8 +263,8 @@ esp_err_t IRAM_ATTR spi_flash_mmap_pages(const int *pages, size_t page_count, sp
new_entry->page = start; new_entry->page = start;
new_entry->count = page_count; new_entry->count = page_count;
new_entry->handle = ++s_mmap_last_handle; new_entry->handle = ++s_mmap_last_handle;
*out_handle = new_entry->handle; temp_handle = new_entry->handle;
*out_ptr = (void*) (region_addr + (start - region_begin) * SPI_FLASH_MMU_PAGE_SIZE); temp_ptr = (void*) (region_addr + (start - region_begin) * SPI_FLASH_MMU_PAGE_SIZE);
ret = ESP_OK; ret = ESP_OK;
} }
@ -287,9 +287,11 @@ esp_err_t IRAM_ATTR spi_flash_mmap_pages(const int *pages, size_t page_count, sp
} }
spi_flash_enable_interrupts_caches_and_other_cpu(); spi_flash_enable_interrupts_caches_and_other_cpu();
if (*out_ptr == NULL) { if (temp_ptr == NULL) {
free(new_entry); free(new_entry);
} }
*out_ptr = temp_ptr;
*out_handle = temp_handle;
return ret; return ret;
} }