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-rw-r--r--esp8266/mpconfigport.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/esp8266/mpconfigport.h b/esp8266/mpconfigport.h
index 201057f128..602b3e9c81 100644
--- a/esp8266/mpconfigport.h
+++ b/esp8266/mpconfigport.h
@@ -182,4 +182,6 @@ extern const struct _mp_obj_module_t onewire_module;
#define MICROPY_HW_MCU_NAME "ESP8266"
#define MICROPY_PY_SYS_PLATFORM "esp8266"
+#define MP_FASTCODE(n) __attribute__((section(".iram0.text." #n))) n
+
#define _assert(expr) ((expr) ? (void)0 : __assert_func(__FILE__, __LINE__, __func__, #expr))