From 3b51b3e90f1d513031ad2c6b6a2a0d5d391f753d Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Wed, 7 Jan 2015 23:38:50 +0000
Subject: stmhal: Collect all root pointers together in 1 place.

A GC in stmhal port now only scans true root pointers, not entire BSS.
This reduces base GC time from 1700ms to 900ms.
---
 esp8266/mpconfigport.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'esp8266')

diff --git a/esp8266/mpconfigport.h b/esp8266/mpconfigport.h
index fbf77f645..7d1d6e1b7 100644
--- a/esp8266/mpconfigport.h
+++ b/esp8266/mpconfigport.h
@@ -61,6 +61,11 @@ extern const struct _mp_obj_module_t pyb_module;
 #define MICROPY_PORT_BUILTIN_MODULES \
     { MP_OBJ_NEW_QSTR(MP_QSTR_pyb), (mp_obj_t)&pyb_module }, \
 
+#define MP_STATE_PORT MP_STATE_VM
+
+#define MICROPY_PORT_ROOT_POINTERS \
+    const char *readline_hist[8];
+
 // We need to provide a declaration/definition of alloca()
 #include <alloca.h>
 
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