esp-open-rtos/core/include/esp/rom.h

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/* "Boot ROM" function signatures
Note that a lot of the ROM functions used in the IoT SDK aren't
referenced from the Espressif RTOS SDK, and are probably incompatible.
*/
#ifndef _ESP_ROM_H
#define _ESP_ROM_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
void Cache_Read_Disable(void);
/* http://esp8266-re.foogod.com/wiki/Cache_Read_Enable
Note: when compiling non-OTA we use the ROM version of this
function, but for OTA we use the version in extras/rboot-ota that
maps the correct flash page for OTA support.
*/
void Cache_Read_Enable(uint32_t odd_even, uint32_t mb_count, uint32_t no_idea);
#ifdef __cplusplus
}
#endif
#endif