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- #
- # Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
- #
- # SPDX-License-Identifier: BSD-3-Clause
- #
- ifeq ($(filter-out clean,$(or $(MAKECMDGOALS),all)),)
- toolchains :=
- else
- toolchains := aarch64
- endif
- include ../../make_helpers/toolchain.mk
- ROMLIB_GEN = ./romlib_generator.py
- BUILD_DIR = $(BUILD_PLAT)/romlib
- LIB_DIR = $(BUILD_PLAT)/lib
- WRAPPER_DIR = $(BUILD_PLAT)/libwrapper
- LIBS = -lmbedtls -lfdt -lc
- INC = $(INCLUDES:-I%=-I../../%)
- PPFLAGS = $(INC) $(DEFINES) -P -x assembler-with-cpp -D__LINKER__ -MD -MP -MT $(BUILD_DIR)/romlib.ld
- OBJS = $(BUILD_DIR)/jmptbl.o $(BUILD_DIR)/init.o
- MAPFILE = $(BUILD_PLAT)/romlib/romlib.map
- ifneq ($(PLAT_DIR),)
- WRAPPER_SOURCES = $(shell $(ROMLIB_GEN) genwrappers -b $(WRAPPER_DIR) --list ../../$(PLAT_DIR)/jmptbl.i)
- WRAPPER_OBJS = $(WRAPPER_SOURCES:.s=.o)
- endif
- V ?= 0
- ifeq ($(V),0)
- Q := @
- else
- Q :=
- endif
- LDFLAGS := -Wl,--gc-sections -nostdlib
- ifeq ($(DEBUG),1)
- LDFLAGS += -Wl,-Map=$(MAPFILE)
- endif
- ifeq (${ARM_ARCH_MINOR},0)
- ASFLAGS = -march=armv8-a
- else
- ASFLAGS = -march=armv8.${ARM_ARCH_MINOR}-a
- endif
- .PHONY: all clean distclean
- all: $(BUILD_DIR)/romlib.bin $(LIB_DIR)/libwrappers.a
- %.o: %.s
- @echo " AS $@"
- $(Q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
- $(BUILD_DIR)/%.o: %.s
- @echo " AS $@"
- $(Q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
- $(BUILD_DIR)/romlib.ld: romlib.ld.S
- @echo " PP $@"
- $(Q)$(aarch64-cpp) -E $(PPFLAGS) -o $@ romlib.ld.S
- $(BUILD_DIR)/romlib.elf: $(OBJS) $(BUILD_DIR)/romlib.ld
- @echo " LD $@"
- $(Q)$(aarch64-ld) -T $(BUILD_DIR)/romlib.ld -L$(LIB_DIR) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
- $(BUILD_DIR)/romlib.bin: $(BUILD_DIR)/romlib.elf
- @echo " BIN $@"
- $(Q)$(aarch64-oc) -O binary $(BUILD_DIR)/romlib.elf $@
- $(WRAPPER_DIR)/jmpvar.s: $(BUILD_DIR)/romlib.elf
- @echo " VAR $@"
- $(Q)$(ROMLIB_GEN) genvar --output $@ $<
- $(LIB_DIR)/libwrappers.a: $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
- @echo " AR $@"
- $(Q)$(aarch64-ar) -rc $@ $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
- $(BUILD_DIR)/jmptbl.i: ../../$(PLAT_DIR)/jmptbl.i
- @echo " PRE $@"
- $(Q)$(ROMLIB_GEN) pre --output $@ --deps $(BUILD_DIR)/jmptbl.d $<
- $(BUILD_DIR)/wrappers.stamp: $(BUILD_DIR)/jmptbl.i
- @echo " WRP $<"
- $(Q)$(ROMLIB_GEN) genwrappers --bti=$(ENABLE_BTI) -b $(WRAPPER_DIR) $<
- @touch $@
- $(WRAPPER_SOURCES): $(BUILD_DIR)/wrappers.stamp
- $(WRAPPER_OBJS): $(WRAPPER_SOURCES) $(BUILD_DIR)/wrappers.stamp
- $(BUILD_DIR)/jmptbl.s: $(BUILD_DIR)/jmptbl.i
- @echo " TBL $@"
- $(Q)$(ROMLIB_GEN) gentbl --output $@ --bti=$(ENABLE_BTI) $<
- clean:
- @rm -f $(BUILD_DIR)/*
- -include $(BUILD_DIR)/romlib.d
- -include $(BUILD_DIR)/jmptbl.d
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