iram_precache.h
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2 Original code: https://github.com/esp8266/Arduino/blob/master/cores/esp8266/core_esp8266_features.cpp
46 #define IRAM_PRECACHE_ATTR __attribute__((optimize("no-reorder-blocks"))) __attribute__((noinline))
54 iram_precache(NULL, (uint8_t*)&&iram_precache_end_##tag - (uint8_t*)&&iram_precache_start_##tag); \
void iram_precache(void *addr, uint32_t bytes)
Pre-load flash data into the flash instruction cache.