ESP8266: Enable unaligned reads for ESP8266_4MB (fix #1240,#837)

espruino · Sep 14, 2017 · 0211008 · 0211008
1 parent c951f27
commit 0211008
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diff --git a/ChangeLog b/ChangeLog
@@ -12,6 +12,7 @@
             Add `E.errorFlag` event to allow JS to respond to internal errors
             Use Esc[J VT100 code when cycling through command history (much faster REPL on low bandwidth connections)
             ESP8266: Remove debugger again as it will never work on 8266
+            ESP8266: Enable unaligned reads for ESP8266_4MB (fix #1240,#837)
 
      1v94 : Allow Espruino boards to reset straight out of the DFU Bootloader             
             Improvements in handling errors in code running in IRQs

diff --git a/make/family/ESP8266.make b/make/family/ESP8266.make
@@ -66,6 +66,14 @@ CFLAGS+= -fno-builtin \
 -Wno-parentheses -Wno-type-limits -Wno-unused-function -Wno-unused-value \
 -Wl,EL -Wl,--gc-sections -nostdlib -mlongcalls -mtext-section-literals
 
+# only use mfore-l32 if 4MB board for now
+ifdef FLASH_4MB 
+MFORCE32 = `xtensa-lx106-elf-gcc --help=target | grep mforce-l32`
+ifneq ($(MFORCE32),)
+CFLAGS += -mforce-l32
+endif
+endif
+
 #
 # The Root of the ESP8266_SDK distributed by Espressif
 # This must be supplied as a Make environment variable.