py: Put all global state together in state structures.

This patch consolidates all global variables in py/ core into one place,
in a global structure.  Root pointers are all located together to make
GC tracing easier and more efficient.

1 files changed, 3 insertions, 0 deletions

diff --git a/teensy/main.c b/teensy/main.c
index f3b0079bb..082f6f1ca 100644
--- a/teensy/main.c
+++ b/teensy/main.c
@@ -7,6 +7,7 @@
 #include "py/parse.h"
 #include "py/lexer.h"
 #include "py/runtime.h"
+#include "py/stackctrl.h"
 #include "py/gc.h"
 #include "gccollect.h"
 #include "pyexec.h"
@@ -255,6 +256,8 @@ int main(void) {
     #define SCB_CCR_STKALIGN (1 << 9)
     SCB_CCR |= SCB_CCR_STKALIGN;
 
+    mp_stack_set_limit(10240);
+
     pinMode(LED_BUILTIN, OUTPUT);
     led_init();