core_esp8266_2.6.3.patch

diff -ruN 2.6.3/cores/esp8266/core_esp8266_main.cpp 2.6.3_mod/cores/esp8266/core_esp8266_main.cpp
--- 2.6.3/cores/esp8266/core_esp8266_main.cpp	2020-04-25 09:58:37.657733964 -0700
+++ 2.6.3_mod/cores/esp8266/core_esp8266_main.cpp	2020-04-06 11:00:58.955024000 -0700
@@ -82,8 +82,8 @@
 void initVariant() {
 }
 
-void preloop_update_frequency() __attribute__((weak));
-void preloop_update_frequency() {
+extern "C" void preloop_update_frequency() __attribute__((weak));
+extern "C" void preloop_update_frequency() {
 #if defined(F_CPU) && (F_CPU == 160000000L)
     REG_SET_BIT(0x3ff00014, BIT(0));
     ets_update_cpu_frequency(160);
@@ -108,10 +108,13 @@
 
 extern "C" void esp_yield() __attribute__ ((weak, alias("__esp_yield")));
 
-extern "C" IRAM_ATTR void esp_schedule() {
+extern "C" 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();
@@ -124,7 +127,7 @@
 
 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) {
     if (can_yield() &&
         (system_get_time() - s_micros_at_task_start) > interval_us)
     {
@@ -132,6 +135,8 @@
     }
 }
 
+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() {
@@ -181,7 +186,7 @@
     esp_schedule();
 }
 
-static void loop_task(os_event_t *events) {
+extern "C" void __loop_task(os_event_t *events) {
     (void) events;
     s_micros_at_task_start = system_get_time();
     cont_run(g_pcont, &loop_wrapper);
@@ -189,6 +194,10 @@
         panic();
     }
 }
+
+extern "C" void loop_task(os_event_t *events) __attribute__ ((weak, alias("__loop_task")));
+
+
 extern "C" {
 
 struct object { long placeholder[ 10 ]; };
diff -ruN 2.6.3/cores/esp8266/spiffs/spiffs_config.h 2.6.3_mod/cores/esp8266/spiffs/spiffs_config.h
--- 2.6.3/cores/esp8266/spiffs/spiffs_config.h	2020-04-25 09:58:37.657733964 -0700
+++ 2.6.3_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