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authorDamien George <damien.p.george@gmail.com>2016-05-11 16:57:29 +0100
committerDamien George <damien.p.george@gmail.com>2016-06-29 13:59:19 +0100
commitdb80c0ed4678f4bacc6c7c9b67cbf26846fc21be (patch)
treee791f46f5b23eba79ff6e1eaa4a6383264faddd4 /esp8266
parentb9e3fde21a1de61c69e283ab7d756297655a2496 (diff)
downloadmicropython-db80c0ed4678f4bacc6c7c9b67cbf26846fc21be.tar.gz
micropython-db80c0ed4678f4bacc6c7c9b67cbf26846fc21be.zip
esp8266: Enable frozen bytecode, with scripts in modules/ subdir.
To start with, the critical scripts _boot.py and flashbdev.py are frozen to improve performance and reduce RAM consumption. Saves about 1000 bytes of heap RAM for a bare boot with filesystem.
Diffstat (limited to 'esp8266')
-rw-r--r--esp8266/Makefile18
-rw-r--r--esp8266/modules/_boot.py (renamed from esp8266/scripts/_boot.py)0
-rw-r--r--esp8266/modules/flashbdev.py (renamed from esp8266/scripts/flashbdev.py)0
-rw-r--r--esp8266/mpconfigport.h2
4 files changed, 20 insertions, 0 deletions
diff --git a/esp8266/Makefile b/esp8266/Makefile
index 946440bee9..00826cfe46 100644
--- a/esp8266/Makefile
+++ b/esp8266/Makefile
@@ -8,9 +8,12 @@ MICROPY_PY_USSL = 1
# include py core make definitions
include ../py/py.mk
+MPY_CROSS = ../mpy-cross/mpy-cross
+MPY_TOOL = ../tools/mpy-tool.py
MAKE_FROZEN = ../tools/make-frozen.py
SCRIPTDIR = scripts
+FROZEN_MPY_DIR = modules
PORT ?= /dev/ttyACM0
BAUD ?= 115200
CROSS_COMPILE = xtensa-lx106-elf-
@@ -131,6 +134,9 @@ DRIVERS_SRC_C = $(addprefix drivers/,\
SRC_S = \
gchelper.s \
+FROZEN_MPY_PY_FILES := $(shell find $(FROZEN_MPY_DIR)/ -type f -name '*.py')
+FROZEN_MPY_MPY_FILES := $(addprefix $(BUILD)/,$(FROZEN_MPY_PY_FILES:.py=.mpy))
+
OBJ =
OBJ += $(PY_O)
OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
@@ -139,6 +145,7 @@ OBJ += $(addprefix $(BUILD)/, $(STM_SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(EXTMOD_SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(LIB_SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(DRIVERS_SRC_C:.c=.o))
+OBJ += $(BUILD)/$(BUILD)/frozen_mpy.o
#OBJ += $(BUILD)/pins_$(BOARD).o
# List of sources for qstr extraction
@@ -163,6 +170,17 @@ $(BUILD)/frozen.c: $(wildcard $(SCRIPTDIR)/*) $(CONFVARS_FILE)
$(ECHO) "Generating $@"
$(Q)$(MAKE_FROZEN) $(SCRIPTDIR) > $@
+# to build .mpy files from .py files
+$(BUILD)/$(FROZEN_MPY_DIR)/%.mpy: $(FROZEN_MPY_DIR)/%.py
+ @$(ECHO) "MPY $<"
+ $(Q)$(MKDIR) -p $(dir $@)
+ $(Q)$(MPY_CROSS) -o $@ -s $(^:$(FROZEN_MPY_DIR)/%=%) $^
+
+# to build frozen_mpy.c from all .mpy files
+$(BUILD)/frozen_mpy.c: $(FROZEN_MPY_MPY_FILES) $(BUILD)/genhdr/qstrdefs.generated.h
+ @$(ECHO) "Creating $@"
+ $(Q)$(PYTHON) $(MPY_TOOL) -f -q $(BUILD)/genhdr/qstrdefs.preprocessed.h $(FROZEN_MPY_MPY_FILES) > $@
+
.PHONY: deploy
deploy: $(BUILD)/firmware-combined.bin
diff --git a/esp8266/scripts/_boot.py b/esp8266/modules/_boot.py
index c950de6758..c950de6758 100644
--- a/esp8266/scripts/_boot.py
+++ b/esp8266/modules/_boot.py
diff --git a/esp8266/scripts/flashbdev.py b/esp8266/modules/flashbdev.py
index 07ed966020..07ed966020 100644
--- a/esp8266/scripts/flashbdev.py
+++ b/esp8266/modules/flashbdev.py
diff --git a/esp8266/mpconfigport.h b/esp8266/mpconfigport.h
index 544edc408f..90dbc00098 100644
--- a/esp8266/mpconfigport.h
+++ b/esp8266/mpconfigport.h
@@ -74,7 +74,9 @@
#define MICROPY_ERROR_REPORTING (MICROPY_ERROR_REPORTING_NORMAL)
#define MICROPY_STREAMS_NON_BLOCK (1)
#define MICROPY_MODULE_FROZEN_STR (1)
+#define MICROPY_MODULE_FROZEN_MPY (1)
#define MICROPY_MODULE_FROZEN_LEXER mp_lexer_new_from_str32
+#define MICROPY_QSTR_EXTRA_POOL mp_qstr_frozen_const_pool
#define MICROPY_FATFS_ENABLE_LFN (1)
#define MICROPY_FATFS_RPATH (2)