feat(esp_image_verify): split image verification out of bootloader_support

components/app_update/esp_ota_ops.c

@@ -31,6 +31,7 @@
 #include "esp_bootloader_desc.h"
 #include "esp_flash.h"
 #include "esp_private/esp_flash_internal.h" //For dangerous write protection
+#include "esp_private/esp_partition_utils.h"
 #include "esp_macros.h"
 #if CONFIG_APP_UPDATE_SECURE_SIGNED_DATA_PARTITION
 #include "psa/crypto.h"
@@ -928,38 +929,7 @@ const esp_partition_t *esp_ota_get_boot_partition(void)
 
 const esp_partition_t* esp_ota_get_running_partition(void)
 {
-    static const esp_partition_t *curr_partition = NULL;
-
-    /*
-     * Currently running partition is unlikely to change across reset cycle,
-     * so it can be cached here, and avoid lookup on every flash write operation.
-     */
-    if (curr_partition != NULL) {
-        return curr_partition;
-    }
-
-    /* Find the flash address of this exact function. By definition that is part
-       of the currently running firmware. Then find the enclosing partition. */
-    size_t phys_offs = spi_flash_cache2phys(esp_ota_get_running_partition);
-
-    assert (phys_offs != SPI_FLASH_CACHE2PHYS_FAIL); /* indicates cache2phys lookup is buggy */
-
-    esp_partition_iterator_t it = esp_partition_find(ESP_PARTITION_TYPE_APP,
-                                                     ESP_PARTITION_SUBTYPE_ANY,
-                                                     NULL);
-    assert(it != NULL); /* has to be at least one app partition */
-
-    while (it != NULL) {
-        const esp_partition_t *p = esp_partition_get(it);
-        if (p->address <= phys_offs && p->address + p->size > phys_offs) {
-            esp_partition_iterator_release(it);
-            curr_partition = p;
-            return p;
-        }
-        it = esp_partition_next(it);
-    }
-
-    abort(); /* Partition table is invalid or corrupt */
+    return esp_partition_get_running_partition();
 }