From 4a661dead0899cb154325a8257d19281f2536af3 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Wed, 27 Apr 2022 17:57:52 +0700
Subject: add TU_ATTR_FAST_FUNC for rp2040 __not_in_flash() section

---
 src/common/tusb_mcu.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/common')

diff --git a/src/common/tusb_mcu.h b/src/common/tusb_mcu.h
index 8eb4ad475..c1cf2a810 100644
--- a/src/common/tusb_mcu.h
+++ b/src/common/tusb_mcu.h
@@ -228,6 +228,8 @@
 #elif TU_CHECK_MCU(OPT_MCU_RP2040)
   #define TUP_DCD_ENDPOINT_MAX    16
 
+  #define TU_ATTR_FAST_FUNC   __attribute__((section(".time_critical.tinyusb")))
+
 //------------- Silabs -------------//
 #elif TU_CHECK_MCU(OPT_MCU_EFM32GG)
   #define TUP_USBIP_DWC2
@@ -282,4 +284,9 @@
   #define TUP_RHPORT_HIGHSPEED    0x00
 #endif
 
+// fast function, normally mean placing function in SRAM
+#ifndef TU_ATTR_FAST_FUNC
+  #define TU_ATTR_FAST_FUNC
+#endif
+
 #endif
-- 
cgit v1.3.1