xref: /rk3399_ARM-atf/lib/romlib/Makefile (revision e40b563e87fd4ff58474a289909a1827c8d2bca7) 
1#
2# Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7toolchains := aarch64
8
9include ../../make_helpers/toolchain.mk
10
11ROMLIB_GEN  = ./romlib_generator.py
12BUILD_DIR   = $(BUILD_PLAT)/romlib
13LIB_DIR     = $(BUILD_PLAT)/lib
14WRAPPER_DIR = $(BUILD_PLAT)/libwrapper
15LIBS        = -lmbedtls -lfdt -lc
16INC         = $(INCLUDES:-I%=-I../../%)
17PPFLAGS     = $(INC) $(DEFINES) -P -x assembler-with-cpp -D__LINKER__ -MD -MP -MT $(BUILD_DIR)/romlib.ld
18OBJS        = $(BUILD_DIR)/jmptbl.o $(BUILD_DIR)/init.o
19MAPFILE     = $(BUILD_PLAT)/romlib/romlib.map
20
21ifneq ($(PLAT_DIR),)
22  WRAPPER_SOURCES   = $(shell $(ROMLIB_GEN) genwrappers -b $(WRAPPER_DIR) --list ../../$(PLAT_DIR)/jmptbl.i)
23  WRAPPER_OBJS      = $(WRAPPER_SOURCES:.s=.o)
24endif
25
26V ?= 0
27ifeq ($(V),0)
28  Q := @
29else
30  Q :=
31endif
32
33LDFLAGS := -Wl,--gc-sections -nostdlib
34
35ifeq ($(DEBUG),1)
36   LDFLAGS += -Wl,-Map=$(MAPFILE)
37endif
38
39ifeq (${ARM_ARCH_MINOR},0)
40	ASFLAGS = -march=armv8-a
41else
42	ASFLAGS = -march=armv8.${ARM_ARCH_MINOR}-a
43endif
44
45.PHONY: all clean distclean
46
47all: $(BUILD_DIR)/romlib.bin $(LIB_DIR)/libwrappers.a
48
49%.o: %.s
50	@echo "  AS      $@"
51	$(Q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
52
53$(BUILD_DIR)/%.o: %.s
54	@echo "  AS      $@"
55	$(Q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
56
57$(BUILD_DIR)/romlib.ld: romlib.ld.S
58	@echo "  PP      $@"
59	$(Q)$(aarch64-cpp) -E $(PPFLAGS) -o $@ romlib.ld.S
60
61$(BUILD_DIR)/romlib.elf: $(OBJS) $(BUILD_DIR)/romlib.ld
62	@echo "  LD      $@"
63	$(Q)$(aarch64-ld) -T $(BUILD_DIR)/romlib.ld -L$(LIB_DIR) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
64
65$(BUILD_DIR)/romlib.bin: $(BUILD_DIR)/romlib.elf
66	@echo "  BIN     $@"
67	$(Q)$(aarch64-oc) -O binary $(BUILD_DIR)/romlib.elf $@
68
69$(WRAPPER_DIR)/jmpvar.s: $(BUILD_DIR)/romlib.elf
70	@echo "  VAR     $@"
71	$(Q)$(ROMLIB_GEN) genvar --output $@ $<
72
73$(LIB_DIR)/libwrappers.a: $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
74	@echo "  AR      $@"
75	$(Q)$(aarch64-ar) -rc $@ $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
76
77$(BUILD_DIR)/jmptbl.i: ../../$(PLAT_DIR)/jmptbl.i
78	@echo "  PRE     $@"
79	$(Q)$(ROMLIB_GEN) pre --output $@ --deps $(BUILD_DIR)/jmptbl.d $<
80
81$(BUILD_DIR)/wrappers.stamp: $(BUILD_DIR)/jmptbl.i
82	@echo "  WRP     $<"
83	$(Q)$(ROMLIB_GEN) genwrappers --bti=$(ENABLE_BTI) -b $(WRAPPER_DIR) $<
84	@touch $@
85
86$(WRAPPER_SOURCES): $(BUILD_DIR)/wrappers.stamp
87
88$(WRAPPER_OBJS): $(WRAPPER_SOURCES) $(BUILD_DIR)/wrappers.stamp
89
90$(BUILD_DIR)/jmptbl.s: $(BUILD_DIR)/jmptbl.i
91	@echo "  TBL     $@"
92	$(Q)$(ROMLIB_GEN) gentbl --output $@ --bti=$(ENABLE_BTI) $<
93
94clean:
95	@rm -f $(BUILD_DIR)/*
96
97-include $(BUILD_DIR)/romlib.d
98-include $(BUILD_DIR)/jmptbl.d
99