xref: /rk3399_ARM-atf/lib/romlib/Makefile (revision c4067a9df6e9c478a824bd5b0ac44b84d48c9b40) 
1#
2# Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7ifeq ($(filter-out clean,$(or $(MAKECMDGOALS),all)),)
8        toolchains :=
9else
10        toolchains := aarch64
11endif
12
13include ../../make_helpers/toolchain.mk
14
15ROMLIB_GEN  = ./romlib_generator.py
16BUILD_DIR   = $(BUILD_PLAT)/romlib
17LIB_DIR     = $(BUILD_PLAT)/lib
18WRAPPER_DIR = $(BUILD_PLAT)/libwrapper
19LIBS        = -lmbedtls -lfdt -lc
20INC         = $(INCLUDES:-I%=-I../../%)
21PPFLAGS     = $(INC) $(DEFINES) -P -x assembler-with-cpp -D__LINKER__ -MD -MP -MT $(BUILD_DIR)/romlib.ld
22OBJS        = $(BUILD_DIR)/jmptbl.o $(BUILD_DIR)/init.o
23MAPFILE     = $(BUILD_PLAT)/romlib/romlib.map
24
25ifneq ($(PLAT_DIR),)
26        WRAPPER_SOURCES = $(sort $(shell $(ROMLIB_GEN) genwrappers -b $\
27                $(WRAPPER_DIR) --list ../../$(PLAT_DIR)/jmptbl.i))
28
29        WRAPPER_OBJS = $(WRAPPER_SOURCES:.s=.o)
30endif
31
32V ?= 0
33ifeq ($(V),0)
34  Q := @
35else
36  Q :=
37endif
38
39LDFLAGS := -Wl,--gc-sections -nostdlib
40
41ifeq ($(DEBUG),1)
42   LDFLAGS += -Wl,-Map=$(MAPFILE)
43endif
44
45ifeq (${ARM_ARCH_MINOR},0)
46	ASFLAGS = -march=armv8-a
47else
48	ASFLAGS = -march=armv8.${ARM_ARCH_MINOR}-a
49endif
50
51.PHONY: all clean distclean
52
53all: $(BUILD_DIR)/romlib.bin $(LIB_DIR)/libwrappers.a
54
55%.o: %.s
56	@echo "  AS      $@"
57	$(Q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
58
59$(BUILD_DIR)/%.o: %.s
60	@echo "  AS      $@"
61	$(Q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
62
63$(BUILD_DIR)/romlib.ld: romlib.ld.S
64	@echo "  PP      $@"
65	$(Q)$(aarch64-cpp) -E $(PPFLAGS) -o $@ romlib.ld.S
66
67$(BUILD_DIR)/romlib.elf: $(OBJS) $(BUILD_DIR)/romlib.ld
68	@echo "  LD      $@"
69	$(Q)$(aarch64-ld) -T $(BUILD_DIR)/romlib.ld -L$(LIB_DIR) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
70
71$(BUILD_DIR)/romlib.bin: $(BUILD_DIR)/romlib.elf
72	@echo "  BIN     $@"
73	$(Q)$(aarch64-oc) -O binary $(BUILD_DIR)/romlib.elf $@
74
75$(WRAPPER_DIR)/jmpvar.s: $(BUILD_DIR)/romlib.elf
76	@echo "  VAR     $@"
77	$(Q)$(ROMLIB_GEN) genvar --output $@ $<
78
79$(LIB_DIR)/libwrappers.a: $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
80	@echo "  AR      $@"
81	$(Q)$(aarch64-ar) -rc $@ $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
82
83$(BUILD_DIR)/jmptbl.i: ../../$(PLAT_DIR)/jmptbl.i
84	@echo "  PRE     $@"
85	$(Q)$(ROMLIB_GEN) pre --output $@ --deps $(BUILD_DIR)/jmptbl.d $<
86
87$(WRAPPER_SOURCES) &: $(BUILD_DIR)/jmptbl.i
88	@echo "  WRP     $<"
89	$(Q)$(ROMLIB_GEN) genwrappers --bti=$(ENABLE_BTI) -b $(WRAPPER_DIR) $<
90
91$(WRAPPER_OBJS): $(WRAPPER_DIR)/%.o: $(WRAPPER_DIR)/%.s
92
93$(BUILD_DIR)/jmptbl.s: $(BUILD_DIR)/jmptbl.i
94	@echo "  TBL     $@"
95	$(Q)$(ROMLIB_GEN) gentbl --output $@ --bti=$(ENABLE_BTI) $<
96
97clean:
98	@rm -f $(BUILD_DIR)/*
99
100-include $(BUILD_DIR)/romlib.d
101-include $(BUILD_DIR)/jmptbl.d
102