xref: /rk3399_ARM-atf/lib/romlib/Makefile (revision b0f1c84035fb25e331b21f08f3f3e8e643c3394d) 
1#
2# Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7include ../../make_helpers/build-rules.mk
8include ../../make_helpers/common.mk
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        = $(LIB_DIR)/libfdt.a $(LIB_DIR)/libc.a
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     = $(BUILD_PLAT)/romlib/romlib.map
20
21PROCESSED_JMPTBL = ../../$(PLAT_DIR)/jmptbl.i
22
23# Determine if mbedtls is needed
24ifneq ($(filter $(CRYPTO_SUPPORT),1 2 3),)
25    PROCESSED_JMPTBL = $(BUILD_DIR)/jmptbl_processed.i
26    $(shell mkdir -p $(BUILD_DIR) && cat ../../$(PLAT_DIR)/jmptbl.i ../../$(PLAT_DIR)/jmptbl_mbedtls.i > $(BUILD_DIR)/jmptbl_processed.i)
27    LIBS += $(LIB_DIR)/libmbedtls.a
28endif
29
30ifneq ($(PLAT_DIR),)
31    # Generate wrapper sources and objects
32    WRAPPER_SOURCES = $(sort $(shell $(ROMLIB_GEN) genwrappers -b $\
33                $(WRAPPER_DIR) --list $(PROCESSED_JMPTBL)))
34    WRAPPER_OBJS = $(WRAPPER_SOURCES:.s=.o)
35endif
36
37LDFLAGS := -Wl,--gc-sections -nostdlib
38
39ifeq ($(DEBUG),1)
40   LDFLAGS += -Wl,-Map=$(MAPFILE)
41endif
42
43ifeq (${ARM_ARCH_MINOR},0)
44	ASFLAGS = -march=armv8-a
45else
46	ASFLAGS = -march=armv8.${ARM_ARCH_MINOR}-a
47endif
48
49.PHONY: all clean distclean
50
51all: $(BUILD_DIR)/romlib.bin $(BUILD_DIR)/romlib.ldflags $(LIB_DIR)/libwrappers.a
52
53%.o: %.s | $$(@D)/
54	$(s)echo "  AS      $@"
55	$(q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
56
57$(BUILD_DIR)/%.o: %.s | $$(@D)/
58	$(s)echo "  AS      $@"
59	$(q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
60
61$(BUILD_DIR)/romlib.ld: romlib.ld.S | $$(@D)/
62	$(s)echo "  PP      $@"
63	$(q)$(aarch64-cpp) -E $(PPFLAGS) -o $@ romlib.ld.S
64
65$(BUILD_DIR)/romlib.elf: $(OBJS) $(BUILD_DIR)/romlib.ld | $$(@D)/
66	$(s)echo "  LD      $@"
67	$(q)$(aarch64-ld) -T $(BUILD_DIR)/romlib.ld -L$(LIB_DIR) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
68
69$(BUILD_DIR)/romlib.bin: $(BUILD_DIR)/romlib.elf | $$(@D)/
70	$(s)echo "  BIN     $@"
71	$(q)$(aarch64-oc) -O binary $(BUILD_DIR)/romlib.elf $@
72
73$(WRAPPER_DIR)/jmpvar.s: $(BUILD_DIR)/romlib.elf | $$(@D)/
74	$(s)echo "  VAR     $@"
75	$(q)$(ROMLIB_GEN) genvar --output $@ $<
76
77$(LIB_DIR)/libwrappers.a: $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS) | $$(@D)/
78	$(s)echo "  AR      $@"
79	$(q)$(aarch64-ar) -rc $@ $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
80
81$(BUILD_DIR)/jmptbl.i: $(PROCESSED_JMPTBL) | $$(@D)/
82	$(s)echo "  PRE     $@"
83	$(q)$(ROMLIB_GEN) pre --output $@ --deps $(BUILD_DIR)/jmptbl.d $<
84
85$(WRAPPER_SOURCES) $&: $(PROCESSED_JMPTBL) | $$(@D)/
86	$(s)echo "  WRP     $<"
87	$(q)$(ROMLIB_GEN) genwrappers --bti=$(ENABLE_BTI) -b $(WRAPPER_DIR) $<
88
89$(WRAPPER_OBJS): $(WRAPPER_DIR)/%.o: $(WRAPPER_DIR)/%.s | $$(@D)/
90
91$(BUILD_DIR)/jmptbl.s: $(PROCESSED_JMPTBL) | $$(@D)/
92	$(s)echo "  TBL     $@"
93	$(q)$(ROMLIB_GEN) gentbl --output $@ --bti=$(ENABLE_BTI) $<
94
95$(BUILD_DIR)/romlib.ldflags: $(PROCESSED_JMPTBL) | $$(@D)/
96	$(s)echo "  LDFLAGS $@"
97	$(q)$(ROMLIB_GEN) link-flags $< > $@
98
99clean:
100	$(q)rm -f $(BUILD_DIR)/*
101
102-include $(BUILD_DIR)/romlib.d
103-include $(BUILD_DIR)/jmptbl.d
104