core_esp8266_2.7.0.patch

diff -ruN 2.7.0/cores/esp8266/core_esp8266_main.cpp 2.7.0_mod/cores/esp8266/core_esp8266_main.cpp
--- 2.7.0/cores/esp8266/core_esp8266_main.cpp	2020-04-25 09:58:37.657733964 -0700
+++ 2.7.0_mod/cores/esp8266/core_esp8266_main.cpp	2020-04-06 11:00:58.955024000 -0700
@@ -120,10 +120,12 @@
 
 extern "C" void esp_yield() __attribute__ ((weak, alias("__esp_yield")));
 
-extern "C" IRAM_ATTR void esp_schedule() {
+extern "C" IRAM_ATTR void __esp_schedule() {
     ets_post(LOOP_TASK_PRIORITY, 0, 0);
 }
 
+extern "C" void esp_schedule(void) __attribute__ ((weak, alias("__esp_schedule")));
+
 extern "C" void __yield() {
     if (can_yield()) {
         esp_schedule();
@@ -136,7 +138,7 @@
 
 extern "C" void yield(void) __attribute__ ((weak, alias("__yield")));
 
-extern "C" void optimistic_yield(uint32_t interval_us) {
+extern "C" void __optimistic_yield(uint32_t interval_us) {
     const uint32_t intvl_cycles = interval_us *
 #if defined(F_CPU)
         clockCyclesPerMicrosecond();
@@ -150,6 +152,8 @@
     }
 }
 
+extern "C" void optimistic_yield(uint32_t interval_us) __attribute__ ((weak, alias("__optimistic_yield")));
+
 // Replace ets_intr_(un)lock with nestable versions
 extern "C" void IRAM_ATTR ets_intr_lock() {
   if (ets_intr_lock_stack_ptr < ETS_INTR_LOCK_NEST_MAX)
@@ -198,7 +202,7 @@
     esp_schedule();
 }
 
-static void loop_task(os_event_t *events) {
+extern "C" void __loop_task(os_event_t *events) {
     (void) events;
     s_cycles_at_yield_start = ESP.getCycleCount();
     cont_run(g_pcont, &loop_wrapper);
@@ -206,6 +210,9 @@
         panic();
     }
 }
+
+extern "C" void loop_task(os_event_t *events) __attribute__ ((weak, alias("__loop_task")));
+
 extern "C" {
 
 struct object { long placeholder[ 10 ]; };
diff -ruN 2.7.0/cores/esp8266/spiffs/spiffs_config.h 2.7.0_mod/cores/esp8266/spiffs/spiffs_config.h
--- 2.7.0/cores/esp8266/spiffs/spiffs_config.h	2020-04-25 09:58:37.657733964 -0700
+++ 2.7.0_mod/cores/esp8266/spiffs/spiffs_config.h	2020-04-07 09:39:35.720492000 -0700
@@ -162,7 +162,7 @@
 
 // Object name maximum length.
 #ifndef SPIFFS_OBJ_NAME_LEN
-#define SPIFFS_OBJ_NAME_LEN             (32)
+#define SPIFFS_OBJ_NAME_LEN             (64)
 #endif
 
 // Maximum length of the metadata associated with an object.
@@ -210,11 +210,13 @@
 
 // define this to enter a mutex if you're running on a multithreaded system
 #ifndef SPIFFS_LOCK
-#define SPIFFS_LOCK(fs)
+extern void esp_spiffs_lock(uint32_t*);
+#define SPIFFS_LOCK(fs) esp_spiffs_lock((uint32_t *)fs)
 #endif
 // define this to exit a mutex if you're running on a multithreaded system
 #ifndef SPIFFS_UNLOCK
-#define SPIFFS_UNLOCK(fs)
+extern void esp_spiffs_unlock(uint32_t*);
+#define SPIFFS_UNLOCK(fs) esp_spiffs_unlock((uint32_t *)fs)
 #endif