xref: /rk3399_ARM-atf/lib/romlib/Makefile (revision 8653352ad72e0f95dfd44f2ef9d1b2406dd8dca5) 
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/build-rules.mk
14include ../../make_helpers/common.mk
15include ../../make_helpers/toolchain.mk
16
17ROMLIB_GEN  = ./romlib_generator.py
18BUILD_DIR   = $(BUILD_PLAT)/romlib
19LIB_DIR     = $(BUILD_PLAT)/lib
20WRAPPER_DIR = $(BUILD_PLAT)/libwrapper
21LIBS        = -lmbedtls -lfdt -lc
22INC         = $(INCLUDES:-I%=-I../../%)
23PPFLAGS     = $(INC) $(DEFINES) -P -x assembler-with-cpp -D__LINKER__ -MD -MP -MT $(BUILD_DIR)/romlib.ld
24OBJS        = $(BUILD_DIR)/jmptbl.o $(BUILD_DIR)/init.o
25MAPFILE     = $(BUILD_PLAT)/romlib/romlib.map
26
27ifneq ($(PLAT_DIR),)
28        WRAPPER_SOURCES = $(sort $(shell $(ROMLIB_GEN) genwrappers -b $\
29                $(WRAPPER_DIR) --list ../../$(PLAT_DIR)/jmptbl.i))
30
31        WRAPPER_OBJS = $(WRAPPER_SOURCES:.s=.o)
32endif
33
34LDFLAGS := -Wl,--gc-sections -nostdlib
35
36ifeq ($(DEBUG),1)
37   LDFLAGS += -Wl,-Map=$(MAPFILE)
38endif
39
40ifeq (${ARM_ARCH_MINOR},0)
41	ASFLAGS = -march=armv8-a
42else
43	ASFLAGS = -march=armv8.${ARM_ARCH_MINOR}-a
44endif
45
46.PHONY: all clean distclean
47
48all: $(BUILD_DIR)/romlib.bin $(BUILD_DIR)/romlib.ldflags $(LIB_DIR)/libwrappers.a
49
50%.o: %.s | $$(@D)/
51	$(s)echo "  AS      $@"
52	$(q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
53
54$(BUILD_DIR)/%.o: %.s | $$(@D)/
55	$(s)echo "  AS      $@"
56	$(q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
57
58$(BUILD_DIR)/romlib.ld: romlib.ld.S | $$(@D)/
59	$(s)echo "  PP      $@"
60	$(q)$(aarch64-cpp) -E $(PPFLAGS) -o $@ romlib.ld.S
61
62$(BUILD_DIR)/romlib.elf: $(OBJS) $(BUILD_DIR)/romlib.ld | $$(@D)/
63	$(s)echo "  LD      $@"
64	$(q)$(aarch64-ld) -T $(BUILD_DIR)/romlib.ld -L$(LIB_DIR) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
65
66$(BUILD_DIR)/romlib.bin: $(BUILD_DIR)/romlib.elf | $$(@D)/
67	$(s)echo "  BIN     $@"
68	$(q)$(aarch64-oc) -O binary $(BUILD_DIR)/romlib.elf $@
69
70$(WRAPPER_DIR)/jmpvar.s: $(BUILD_DIR)/romlib.elf | $$(@D)/
71	$(s)echo "  VAR     $@"
72	$(q)$(ROMLIB_GEN) genvar --output $@ $<
73
74$(LIB_DIR)/libwrappers.a: $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS) | $$(@D)/
75	$(s)echo "  AR      $@"
76	$(q)$(aarch64-ar) -rc $@ $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
77
78$(BUILD_DIR)/jmptbl.i: ../../$(PLAT_DIR)/jmptbl.i | $$(@D)/
79	$(s)echo "  PRE     $@"
80	$(q)$(ROMLIB_GEN) pre --output $@ --deps $(BUILD_DIR)/jmptbl.d $<
81
82$(WRAPPER_SOURCES) &: $(BUILD_DIR)/jmptbl.i | $$(@D)/
83	$(s)echo "  WRP     $<"
84	$(q)$(ROMLIB_GEN) genwrappers --bti=$(ENABLE_BTI) -b $(WRAPPER_DIR) $<
85
86$(WRAPPER_OBJS): $(WRAPPER_DIR)/%.o: $(WRAPPER_DIR)/%.s | $$(@D)/
87
88$(BUILD_DIR)/jmptbl.s: $(BUILD_DIR)/jmptbl.i | $$(@D)/
89	$(s)echo "  TBL     $@"
90	$(q)$(ROMLIB_GEN) gentbl --output $@ --bti=$(ENABLE_BTI) $<
91
92$(BUILD_DIR)/romlib.ldflags: ../../$(PLAT_DIR)/jmptbl.i
93	$(s)echo "  LDFLAGS $@"
94	$(q)$(ROMLIB_GEN) link-flags $< > $@
95
96clean:
97	$(q)rm -f $(BUILD_DIR)/*
98
99-include $(BUILD_DIR)/romlib.d
100-include $(BUILD_DIR)/jmptbl.d
101