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7c4e1eea61
This change introduces a few helper variables for dealing with verbose
and silent build modes: `silent`, `verbose`, `q` and `s`.
The `silent` and `verbose` variables are boolean values determining
whether the build system has been configured to run silently or
verbosely respectively (i.e. with `--silent` or `V=1`).
These two modes cannot be used together - if `silent` is truthy then
`verbose` is always falsy. As such:
make --silent V=1
... results in a silent build.
In addition to these boolean variables, we also introduce two new
variables - `s` and `q` - for use in rule recipes to conditionally
suppress the output of commands.
When building silently, `s` expands to a value which disables the
command that follows, and `q` expands to a value which supppresses
echoing of the command:
$(s)echo 'This command is neither echoed nor executed'
$(q)echo 'This command is executed but not echoed'
When building verbosely, `s` expands to a value which disables the
command that follows, and `q` expands to nothing:
$(s)echo 'This command is neither echoed nor executed'
$(q)echo 'This command is executed and echoed'
In all other cases, both `s` and `q` expand to a value which suppresses
echoing of the command that follows:
$(s)echo 'This command is executed but not echoed'
$(q)echo 'This command is executed but not echoed'
The `s` variable is predominantly useful for `echo` commands, where you
always want to suppress echoing of the command itself, whilst `q` is
more useful for all other commands.
Change-Id: I8d8ff6ed714d3cb401946c52955887ed7dca602b
Signed-off-by: Chris Kay <chris.kay@arm.com>
115 lines
3.5 KiB
Makefile
115 lines
3.5 KiB
Makefile
#
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# Copyright (c) 2016-2024, Arm Limited and Contributors. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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toolchains := rk3399-m0
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include ../../../../../make_helpers/common.mk
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include ../../../../../make_helpers/toolchain.mk
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# Cross Compile
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M0_CROSS_COMPILE ?= arm-none-eabi-
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# Build architecture
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ARCH := cortex-m0
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# Build platform
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PLAT_M0 ?= rk3399m0
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PLAT_M0_PMU ?= rk3399m0pmu
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.SUFFIXES:
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INCLUDES += -Iinclude/ \
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-I../../include/shared/
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# NOTE: Add C source files here
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C_SOURCES_COMMON := src/startup.c
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C_SOURCES := src/dram.c \
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src/stopwatch.c
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C_SOURCES_PMU := src/suspend.c
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# Flags definition
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COMMON_FLAGS := -g -mcpu=$(ARCH) -mthumb -Wall -O3 -nostdlib -mfloat-abi=soft
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CFLAGS := -ffunction-sections -fdata-sections -fomit-frame-pointer -fno-common
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ASFLAGS := -Wa,--gdwarf-2
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LDFLAGS := -Wl,--gc-sections -Wl,--build-id=none
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# NOTE: The line continuation '\' is required in the next define otherwise we
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# end up with a line-feed characer at the end of the last c filename.
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# Also bare this issue in mind if extending the list of supported filetypes.
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define SOURCES_TO_OBJS
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$(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \
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$(notdir $(patsubst %.S,%.o,$(filter %.S,$(1))))
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endef
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SOURCES_COMMON := $(C_SOURCES_COMMON)
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SOURCES := $(C_SOURCES)
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SOURCES_PMU := $(C_SOURCES_PMU)
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OBJS_COMMON := $(addprefix $(BUILD)/,$(call SOURCES_TO_OBJS,$(SOURCES_COMMON)))
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OBJS := $(addprefix $(BUILD)/,$(call SOURCES_TO_OBJS,$(SOURCES)))
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OBJS_PMU := $(addprefix $(BUILD)/,$(call SOURCES_TO_OBJS,$(SOURCES_PMU)))
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LINKERFILE := $(BUILD)/$(PLAT_M0).ld
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MAPFILE := $(BUILD)/$(PLAT_M0).map
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MAPFILE_PMU := $(BUILD)/$(PLAT_M0_PMU).map
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ELF := $(BUILD)/$(PLAT_M0).elf
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ELF_PMU := $(BUILD)/$(PLAT_M0_PMU).elf
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BIN := $(BUILD)/$(PLAT_M0).bin
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BIN_PMU := $(BUILD)/$(PLAT_M0_PMU).bin
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LINKERFILE_SRC := src/$(PLAT_M0).ld.S
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# Function definition related compilation
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define MAKE_C
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$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
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-include $(patsubst %.o,%.d,$(OBJ))
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$(OBJ) : $(2)
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$(s)echo " CC $$<"
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$$(q)$(rk3399-m0-cc) $$(COMMON_FLAGS) $$(CFLAGS) $$(INCLUDES) -MMD -MT $$@ -c $$< -o $$@
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endef
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define MAKE_S
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$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
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$(OBJ) : $(2)
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$(s)echo " AS $$<"
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$$(q)$(rk3399-m0-cc) -x assembler-with-cpp $$(COMMON_FLAGS) $$(ASFLAGS) -c $$< -o $$@
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endef
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define MAKE_OBJS
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$(eval C_OBJS := $(filter %.c,$(2)))
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$(eval REMAIN := $(filter-out %.c,$(2)))
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$(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3))))
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$(eval S_OBJS := $(filter %.S,$(REMAIN)))
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$(eval REMAIN := $(filter-out %.S,$(REMAIN)))
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$(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3))))
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$(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
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endef
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.PHONY: all
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all: $(BIN) $(BIN_PMU)
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.DEFAULT_GOAL := all
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$(LINKERFILE): $(LINKERFILE_SRC)
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$(rk3399-m0-cc) $(COMMON_FLAGS) $(INCLUDES) -P -E -D__LINKER__ -MMD -MF $@.d -MT $@ -o $@ $<
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-include $(LINKERFILE).d
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$(ELF) : $(OBJS) $(OBJS_COMMON) $(LINKERFILE)
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$(s)echo " LD $@"
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$(q)$(rk3399-m0-cc) -o $@ $(COMMON_FLAGS) $(LDFLAGS) -Wl,-Map=$(MAPFILE) -Wl,-T$(LINKERFILE) $(OBJS) $(OBJS_COMMON)
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%.bin : %.elf
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$(s)echo " BIN $@"
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$(q)$(rk3399-m0-oc) -O binary $< $@
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$(ELF_PMU) : $(OBJS_COMMON) $(OBJS_PMU) $(LINKERFILE)
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$(s)echo " LD $@"
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$(q)$(rk3399-m0-cc) -o $@ $(COMMON_FLAGS) $(LDFLAGS) -Wl,-Map=$(MAPFILE_PMU) -Wl,-T$(LINKERFILE) $(OBJS_PMU) $(OBJS_COMMON)
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$(eval $(call MAKE_OBJS,$(BUILD),$(SOURCES_COMMON),$(1)))
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$(eval $(call MAKE_OBJS,$(BUILD),$(SOURCES),$(1)))
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$(eval $(call MAKE_OBJS,$(BUILD),$(SOURCES_PMU),$(1)))
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