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atbetaflight
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Allow files to compiled without optimization. 

This is required when trying to see what the optimizer is doing to the
assembly or in aiding debugging CPU IMPRECISE bus fault errors.
This commit is contained in:
Dominic Clifton 2019-02-18 16:11:38 +01:00
parent fefa2a83e4
commit e35d8a25d3
2 changed files with 29 additions and 10 deletions
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35
Makefile
View File

@ -211,6 +211,7 @@ CC_DEBUG_OPTIMISATION := $(OPTIMISE_DEFAULT)
CC_DEFAULT_OPTIMISATION := $(OPTIMISATION_BASE) $(OPTIMISE_DEFAULT)
CC_SPEED_OPTIMISATION := $(OPTIMISATION_BASE) $(OPTIMISE_SPEED)
CC_SIZE_OPTIMISATION := $(OPTIMISATION_BASE) $(OPTIMISE_SIZE)
CC_NO_OPTIMISATION :=
CFLAGS += $(ARCH_FLAGS) \
$(addprefix -D,$(OPTIONS)) \
@ -310,19 +311,33 @@ $(TARGET_ELF): $(TARGET_OBJS)
ifeq ($(DEBUG),GDB)
$(OBJECT_DIR)/$(TARGET)/%.o: %.c
$(V1) mkdir -p $(dir $@)
$(V1) echo "%% (debug) $(notdir $<)" "$(STDOUT)" && \
$(CROSS_CC) -c -o $@ $(CFLAGS) $(CC_DEBUG_OPTIMISATION) $<
$(V1) $(if $(findstring $<,$(NOT_OPTIMISED_SRC)), \
echo "%% (not optimised) $<" "$(STDOUT)" && \
$(CROSS_CC) -c -o $@ $(CFLAGS) $(CC_NO_OPTIMISATION) $< \
, \
echo "%% (debug) $<" "$(STDOUT)" && \
$(CROSS_CC) -c -o $@ $(CFLAGS) $(CC_DEBUG_OPTIMISATION) $< \
)
else
$(OBJECT_DIR)/$(TARGET)/%.o: %.c
$(V1) mkdir -p $(dir $@)
$(V1) $(if $(findstring $(subst ./src/main/,,$<),$(SPEED_OPTIMISED_SRC)), \
echo "%% (speed optimised) $(notdir $<)" "$(STDOUT)" && \
$(CROSS_CC) -c -o $@ $(CFLAGS) $(CC_SPEED_OPTIMISATION) $<, \
$(if $(findstring $(subst ./src/main/,,$<),$(SIZE_OPTIMISED_SRC)), \
echo "%% (size optimised) $(notdir $<)" "$(STDOUT)" && \
$(CROSS_CC) -c -o $@ $(CFLAGS) $(CC_SIZE_OPTIMISATION) $<, \
echo "%% $(notdir $<)" "$(STDOUT)" && \
$(CROSS_CC) -c -o $@ $(CFLAGS) $(CC_DEFAULT_OPTIMISATION) $<))
$(V1) $(if $(findstring $<,$(NOT_OPTIMISED_SRC)), \
echo "%% (not optimised) $<" "$(STDOUT)" && \
$(CROSS_CC) -c -o $@ $(CFLAGS) $(CC_NO_OPTIMISATION) $< \
, \
$(if $(findstring $(subst ./src/main/,,$<),$(SPEED_OPTIMISED_SRC)), \
echo "%% (speed optimised) $<" "$(STDOUT)" && \
$(CROSS_CC) -c -o $@ $(CFLAGS) $(CC_SPEED_OPTIMISATION) $< \
, \
$(if $(findstring $(subst ./src/main/,,$<),$(SIZE_OPTIMISED_SRC)), \
echo "%% (size optimised) $<" "$(STDOUT)" && \
$(CROSS_CC) -c -o $@ $(CFLAGS) $(CC_SIZE_OPTIMISATION) $< \
, \
echo "%% (optimised) $<" "$(STDOUT)" && \
$(CROSS_CC) -c -o $@ $(CFLAGS) $(CC_DEFAULT_OPTIMISATION) $< \
) \
) \
)
endif
# Assemble

4
make/source.mk
View File

@ -333,6 +333,10 @@ endif #!F1
# check if target.mk supplied
SRC := $(STARTUP_SRC) $(MCU_COMMON_SRC) $(TARGET_SRC) $(VARIANT_SRC)
# Files that should not be optimized, useful for debugging IMPRECISE cpu faults.
# Specify FULL PATH, e.g. "./lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_sdmmc.c"
NOT_OPTIMISED_SRC := $(NOT_OPTIMISED_SRC) \
ifneq ($(DSP_LIB),)
INCLUDE_DIRS += $(DSP_LIB)/Include