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96 lines
2.8 KiB
96 lines
2.8 KiB
#
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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/build-rules.mk
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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 | $$(@D)/
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$(s)echo " AS $@"
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$(q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
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$(BUILD_DIR)/%.o: %.s | $$(@D)/
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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 | $$(@D)/
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$(s)echo " PP $@"
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$(q)$(aarch64-cpp) -E $(PPFLAGS) -o $@ romlib.ld.S
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$(BUILD_DIR)/romlib.elf: $(OBJS) $(BUILD_DIR)/romlib.ld | $$(@D)/
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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 | $$(@D)/
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$(s)echo " BIN $@"
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$(q)$(aarch64-oc) -O binary $(BUILD_DIR)/romlib.elf $@
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$(WRAPPER_DIR)/jmpvar.s: $(BUILD_DIR)/romlib.elf | $$(@D)/
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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) | $$(@D)/
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$(s)echo " AR $@"
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$(q)$(aarch64-ar) -rc $@ $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
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$(BUILD_DIR)/jmptbl.i: ../../$(PLAT_DIR)/jmptbl.i | $$(@D)/
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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 | $$(@D)/
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$(s)echo " WRP $<"
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$(q)$(ROMLIB_GEN) genwrappers --bti=$(ENABLE_BTI) -b $(WRAPPER_DIR) $<
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$(WRAPPER_OBJS): $(WRAPPER_DIR)/%.o: $(WRAPPER_DIR)/%.s | $$(@D)/
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$(BUILD_DIR)/jmptbl.s: $(BUILD_DIR)/jmptbl.i | $$(@D)/
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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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