xref: /rk3399_ARM-atf/lib/romlib/Makefile (revision 6db0c1d8652556d9b0d100f54ef6d56cf5c9f84f) 
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 := --gc-sections -O1
34ifeq ($(DEBUG),1)
35   LDFLAGS += -Map=$(MAPFILE)
36endif
37
38ifeq (${ARM_ARCH_MINOR},0)
39	ASFLAGS = -march=armv8-a
40else
41	ASFLAGS = -march=armv8.${ARM_ARCH_MINOR}-a
42endif
43
44.PHONY: all clean distclean
45
46all: $(BUILD_DIR)/romlib.bin $(LIB_DIR)/libwrappers.a
47
48%.o: %.s
49	@echo "  AS      $@"
50	$(Q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
51
52$(BUILD_DIR)/%.o: %.s
53	@echo "  AS      $@"
54	$(Q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
55
56$(BUILD_DIR)/romlib.ld: romlib.ld.S
57	@echo "  PP      $@"
58	$(Q)$(aarch64-cpp) -E $(PPFLAGS) -o $@ romlib.ld.S
59
60$(BUILD_DIR)/romlib.elf: $(OBJS) $(BUILD_DIR)/romlib.ld
61	@echo "  LD      $@"
62	$(Q)$(aarch64-ld) -T $(BUILD_DIR)/romlib.ld -L$(LIB_DIR) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
63
64$(BUILD_DIR)/romlib.bin: $(BUILD_DIR)/romlib.elf
65	@echo "  BIN     $@"
66	$(Q)$(aarch64-oc) -O binary $(BUILD_DIR)/romlib.elf $@
67
68$(WRAPPER_DIR)/jmpvar.s: $(BUILD_DIR)/romlib.elf
69	@echo "  VAR     $@"
70	$(Q)$(ROMLIB_GEN) genvar --output $@ $<
71
72$(LIB_DIR)/libwrappers.a: $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
73	@echo "  AR      $@"
74	$(Q)$(aarch64-ar) -rc $@ $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
75
76$(BUILD_DIR)/jmptbl.i: ../../$(PLAT_DIR)/jmptbl.i
77	@echo "  PRE     $@"
78	$(Q)$(ROMLIB_GEN) pre --output $@ --deps $(BUILD_DIR)/jmptbl.d $<
79
80$(BUILD_DIR)/wrappers.stamp: $(BUILD_DIR)/jmptbl.i
81	@echo "  WRP     $<"
82	$(Q)$(ROMLIB_GEN) genwrappers --bti=$(ENABLE_BTI) -b $(WRAPPER_DIR) $<
83	@touch $@
84
85$(WRAPPER_SOURCES): $(BUILD_DIR)/wrappers.stamp
86
87$(WRAPPER_OBJS): $(WRAPPER_SOURCES) $(BUILD_DIR)/wrappers.stamp
88
89$(BUILD_DIR)/jmptbl.s: $(BUILD_DIR)/jmptbl.i
90	@echo "  TBL     $@"
91	$(Q)$(ROMLIB_GEN) gentbl --output $@ --bti=$(ENABLE_BTI) $<
92
93clean:
94	@rm -f $(BUILD_DIR)/*
95
96-include $(BUILD_DIR)/romlib.d
97-include $(BUILD_DIR)/jmptbl.d
98