AP_HAL_ESP32: __RAMFUNC__ maps to IRAM_ATTR

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ArduPilot · Nov 22, 2024 · fd8c470 · fd8c470
1 parent d5e33a7
commit fd8c470
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/libraries/AP_HAL/board/esp32.h b/libraries/AP_HAL/board/esp32.h
@@ -52,6 +52,10 @@
 #define __LITTLE_ENDIAN  1234
 #define __BYTE_ORDER     __LITTLE_ENDIAN
 
+// ArduPilot uses __RAMFUNC__ to place functions in fast instruction RAM
+#define __RAMFUNC__ IRAM_ATTR
+
+
 // whenver u get ... error: "xxxxxxx" is not defined, evaluates to 0 [-Werror=undef]  just define it below as 0
 #define CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY 0
 #define XCHAL_ERRATUM_453 0