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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'
$(q)echo 'This command is executed but not echoed'
The `s` variable is predominantly useful for `echo` commands, where you
always want to suppress echoing of the command itself, whilst `q` is
more useful for all other commands.
Change-Id: I8d8ff6ed714d3cb401946c52955887ed7dca602b
Signed-off-by: Chris Kay <chris.kay@arm.com>
95 lines
2.6 KiB
Makefile
95 lines
2.6 KiB
Makefile
#
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# Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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ifeq ($(filter-out clean,$(or $(MAKECMDGOALS),all)),)
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toolchains :=
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else
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toolchains := aarch64
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endif
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include ../../make_helpers/common.mk
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include ../../make_helpers/toolchain.mk
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ROMLIB_GEN = ./romlib_generator.py
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BUILD_DIR = $(BUILD_PLAT)/romlib
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LIB_DIR = $(BUILD_PLAT)/lib
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WRAPPER_DIR = $(BUILD_PLAT)/libwrapper
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LIBS = -lmbedtls -lfdt -lc
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INC = $(INCLUDES:-I%=-I../../%)
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PPFLAGS = $(INC) $(DEFINES) -P -x assembler-with-cpp -D__LINKER__ -MD -MP -MT $(BUILD_DIR)/romlib.ld
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OBJS = $(BUILD_DIR)/jmptbl.o $(BUILD_DIR)/init.o
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MAPFILE = $(BUILD_PLAT)/romlib/romlib.map
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ifneq ($(PLAT_DIR),)
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WRAPPER_SOURCES = $(sort $(shell $(ROMLIB_GEN) genwrappers -b $\
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$(WRAPPER_DIR) --list ../../$(PLAT_DIR)/jmptbl.i))
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WRAPPER_OBJS = $(WRAPPER_SOURCES:.s=.o)
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endif
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LDFLAGS := -Wl,--gc-sections -nostdlib
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ifeq ($(DEBUG),1)
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LDFLAGS += -Wl,-Map=$(MAPFILE)
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endif
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ifeq (${ARM_ARCH_MINOR},0)
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ASFLAGS = -march=armv8-a
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else
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ASFLAGS = -march=armv8.${ARM_ARCH_MINOR}-a
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endif
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.PHONY: all clean distclean
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all: $(BUILD_DIR)/romlib.bin $(LIB_DIR)/libwrappers.a
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%.o: %.s
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$(s)echo " AS $@"
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$(q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
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$(BUILD_DIR)/%.o: %.s
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$(s)echo " AS $@"
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$(q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
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$(BUILD_DIR)/romlib.ld: romlib.ld.S
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$(s)echo " PP $@"
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$(q)$(aarch64-cpp) -E $(PPFLAGS) -o $@ romlib.ld.S
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$(BUILD_DIR)/romlib.elf: $(OBJS) $(BUILD_DIR)/romlib.ld
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$(s)echo " LD $@"
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$(q)$(aarch64-ld) -T $(BUILD_DIR)/romlib.ld -L$(LIB_DIR) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
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$(BUILD_DIR)/romlib.bin: $(BUILD_DIR)/romlib.elf
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$(s)echo " BIN $@"
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$(q)$(aarch64-oc) -O binary $(BUILD_DIR)/romlib.elf $@
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$(WRAPPER_DIR)/jmpvar.s: $(BUILD_DIR)/romlib.elf
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$(s)echo " VAR $@"
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$(q)$(ROMLIB_GEN) genvar --output $@ $<
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$(LIB_DIR)/libwrappers.a: $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
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$(s)echo " AR $@"
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$(q)$(aarch64-ar) -rc $@ $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
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$(BUILD_DIR)/jmptbl.i: ../../$(PLAT_DIR)/jmptbl.i
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$(s)echo " PRE $@"
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$(q)$(ROMLIB_GEN) pre --output $@ --deps $(BUILD_DIR)/jmptbl.d $<
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$(WRAPPER_SOURCES) &: $(BUILD_DIR)/jmptbl.i
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$(s)echo " WRP $<"
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$(q)$(ROMLIB_GEN) genwrappers --bti=$(ENABLE_BTI) -b $(WRAPPER_DIR) $<
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$(WRAPPER_OBJS): $(WRAPPER_DIR)/%.o: $(WRAPPER_DIR)/%.s
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$(BUILD_DIR)/jmptbl.s: $(BUILD_DIR)/jmptbl.i
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$(s)echo " TBL $@"
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$(q)$(ROMLIB_GEN) gentbl --output $@ --bti=$(ENABLE_BTI) $<
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clean:
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$(q)rm -f $(BUILD_DIR)/*
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-include $(BUILD_DIR)/romlib.d
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-include $(BUILD_DIR)/jmptbl.d
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