From d5c57d1d10155bd0ee43610c5839bee551fa7cd4 Mon Sep 17 00:00:00 2001
From: Jeroen Domburg <git@j0h.nl>
Date: Tue, 13 Dec 2016 11:29:34 +0800
Subject: [PATCH] Put ets_isr_* functions into IRAM. Original fns were in ROM
 so people may expect them to work when flash cache is out.

---
 components/esp32/intr_alloc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/components/esp32/intr_alloc.c b/components/esp32/intr_alloc.c
index 3ffffeacd..57a6a97de 100644
--- a/components/esp32/intr_alloc.c
+++ b/components/esp32/intr_alloc.c
@@ -726,12 +726,12 @@ void esp_intr_noniram_enable()
 //equivalents here.
 
 
-void ets_isr_unmask(unsigned int mask) {
-	xt_ints_on(mask);
+void IRAM_ATTR ets_isr_unmask(unsigned int mask) {
+    xt_ints_on(mask);
 }
 
-void ets_isr_mask(unsigned int mask) {
-	xt_ints_off(mask);
+void IRAM_ATTR ets_isr_mask(unsigned int mask) {
+    xt_ints_off(mask);
 }