Replace non-multicore-aware rom funcs with multicore-aware funcs, ESP_LOG->ESP_EARLY_LOG fix, reserve ints used in wireless libs. Fixes WiFi crashing

components/esp32/cpu_start.c

@@ -228,8 +228,11 @@ void start_cpu1_default(void)
     while (port_xSchedulerRunning[0] == 0) {
         ;
     }
+    //Take care putting stuff here: if asked, FreeRTOS will happily tell you the scheduler
+    //has started, but it isn't active *on this CPU* yet.
     esp_crosscore_int_init();
-    ESP_LOGI(TAG, "Starting scheduler on APP CPU.");
+
+    ESP_EARLY_LOGI(TAG, "Starting scheduler on APP CPU.");
     xPortStartScheduler();
 }
 #endif //!CONFIG_FREERTOS_UNICORE

components/esp32/intr_alloc.c

@@ -106,8 +106,8 @@ const static int_desc_t int_desc[32]={
     { 1, INTTP_NA,    {INT6RES,        INT6RES       } }, //6
     { 1, INTTP_NA,    {INTDESC_SPECIAL,INTDESC_SPECIAL}}, //7
     { 1, INTTP_LEVEL, {INTDESC_RESVD,  INTDESC_RESVD } }, //8
-    { 1, INTTP_LEVEL, {INTDESC_NORMAL, INTDESC_NORMAL} }, //9
-    { 1, INTTP_EDGE , {INTDESC_RESVD,  INTDESC_NORMAL} }, //10
+    { 1, INTTP_LEVEL, {INTDESC_RESVD,  INTDESC_RESVD } }, //9 //FRC1
+    { 1, INTTP_EDGE , {INTDESC_RESVD,  INTDESC_RESVD } }, //10 //FRC2
     { 3, INTTP_NA,    {INTDESC_SPECIAL,INTDESC_SPECIAL}}, //11
     { 1, INTTP_LEVEL, {INTDESC_NORMAL, INTDESC_NORMAL} }, //12
     { 1, INTTP_LEVEL, {INTDESC_NORMAL, INTDESC_NORMAL} }, //13
@@ -721,7 +721,18 @@ void esp_intr_noniram_enable()
         ::"r"(intmask):"a3");
 }
 
-
+//These functions are provided in ROM, but the ROM-based functions use non-multicore-capable
+//virtualized interrupt levels. Thus, we disable them in the ld file and provide working
+//equivalents here.
+
+
+void ets_isr_unmask(unsigned int mask) {
+	xt_ints_on(mask);
+}
+
+void ets_isr_mask(unsigned int mask) {
+	xt_ints_off(mask);
+}
 
 
 

components/esp32/ld/esp32.rom.ld

@@ -169,12 +169,6 @@ PROVIDE ( ets_get_xtal_scale = 0x4000856c );
 PROVIDE ( ets_install_putc1 = 0x40007d18 );
 PROVIDE ( ets_install_putc2 = 0x40007d38 );
 PROVIDE ( ets_install_uart_printf = 0x40007d28 );
-PROVIDE ( ets_intr_count = 0x3ffe03fc );
-PROVIDE ( ets_intr_lock = 0x400067b0 );
-PROVIDE ( ets_intr_unlock = 0x400067c4 );
-PROVIDE ( ets_isr_attach = 0x400067ec );
-PROVIDE ( ets_isr_mask = 0x400067fc );
-PROVIDE ( ets_isr_unmask = 0x40006808 );
 PROVIDE ( ets_post = 0x4000673c );
 PROVIDE ( ets_printf = 0x40007d54 );
 PROVIDE ( ets_readySet_ = 0x3ffe01f0 );
@@ -1730,6 +1724,13 @@ PROVIDE ( Xthal_intlevel = 0x3ff9c2b4 );
 PROVIDE ( xthal_memcpy = 0x4000c0bc );
 PROVIDE ( xthal_set_ccompare = 0x4000c058 );
 PROVIDE ( xthal_set_intclear = 0x4000c1ec );
+PROVIDE ( _xtos_set_intlevel = 0x4000bfdc );
+/* 
+These functions are xtos-related (or call xtos-related functions) and do not play well 
+with multicore FreeRTOS. Where needed, we provide alternatives that are multicore
+compatible.
+*/
+/*
 PROVIDE ( _xtos_alloca_handler = 0x40000010 );
 PROVIDE ( _xtos_cause3_handler = 0x40000dd8 );
 PROVIDE ( _xtos_c_handler_table = 0x3ffe0548 );
@@ -1748,13 +1749,19 @@ PROVIDE ( _xtos_return_from_exc = 0x4000c034 );
 PROVIDE ( _xtos_set_exception_handler = 0x4000074c );
 PROVIDE ( _xtos_set_interrupt_handler = 0x4000bf78 );
 PROVIDE ( _xtos_set_interrupt_handler_arg = 0x4000bf34 );
-PROVIDE ( _xtos_set_intlevel = 0x4000bfdc );
 PROVIDE ( _xtos_set_min_intlevel = 0x4000bff8 );
 PROVIDE ( _xtos_set_vpri = 0x40000934 );
 PROVIDE ( _xtos_syscall_handler = 0x40000790 );
 PROVIDE ( _xtos_unhandled_exception = 0x4000c024 );
 PROVIDE ( _xtos_unhandled_interrupt = 0x4000c01c );
 PROVIDE ( _xtos_vpri_enabled = 0x3ffe0654 );
+PROVIDE ( ets_intr_count = 0x3ffe03fc );
+PROVIDE ( ets_intr_lock = 0x400067b0 );
+PROVIDE ( ets_intr_unlock = 0x400067c4 );
+PROVIDE ( ets_isr_attach = 0x400067ec );
+PROVIDE ( ets_isr_mask = 0x400067fc );
+PROVIDE ( ets_isr_unmask = 0x40006808 );
+*/
 /* Following are static data, but can be used, not generated by script <<<<< btdm data */
 PROVIDE ( ld_acl_env = 0x3ffb8258 );
 PROVIDE ( ld_active_ch_map = 0x3ffb8334 );

components/esp32/lib

@@ -1 +1 @@
-Subproject commit 3a412c08af1ace47a58d1f8722a8fed5b8d3b944
+Subproject commit 5902a2229e5371aeea45c09e63ea5e233b58750f

components/freertos/xtensa_intr_asm.S

@@ -158,8 +158,10 @@ xt_ints_on:
 #else
     movi    a3, 0
     xsr     a3, INTENABLE        /* Disables all interrupts   */
+    rsync
     or      a2, a3, a2           /* set bits in mask */
     wsr     a2, INTENABLE        /* Re-enable ints */
+    rsync
     mov     a2, a3               /* return prev mask */
 #endif
 #else
@@ -206,9 +208,11 @@ xt_ints_off:
 #else
     movi    a4, 0
     xsr     a4, INTENABLE        /* Disables all interrupts   */
+    rsync
     or      a3, a4, a2           /* set bits in mask */
     xor     a3, a3, a2           /* invert bits in mask set in mask, essentially clearing them */
     wsr     a3, INTENABLE        /* Re-enable ints */
+    rsync
     mov     a2, a4               /* return prev mask */
 #endif
 #else