xref: /rk3399_ARM-atf/lib/romlib/Makefile (revision 10ecd58093a34e95e2dfad65b1180610f29397cc) 
1#
2# Copyright (c) 2018-2025, 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 = $(BUILD_DIR)/jmptbl_processed.i
26    CRYPTO_JMPTBL = ../../$(PLAT_DIR)/jmptbl.i ../../$(PLAT_DIR)/jmptbl_mbedtls.i
27
28    ifeq (${PSA_CRYPTO},1)
29        CRYPTO_JMPTBL += ../../$(PLAT_DIR)/jmptbl_mbedtls_psa.i
30    endif # ifeq (${PSA_CRYPTO},1)
31
32    $(shell mkdir -p $(BUILD_DIR) && cat $(CRYPTO_JMPTBL) > $(PROCESSED_JMPTBL))
33
34    LIBS += $(LIB_DIR)/libmbedtls.a
35endif
36
37ifneq ($(PLAT_DIR),)
38    # Generate wrapper sources and objects
39    WRAPPER_SOURCES = $(sort $(shell $(ROMLIB_GEN) genwrappers -b $\
40                $(WRAPPER_DIR) --list $(PROCESSED_JMPTBL)))
41    WRAPPER_OBJS = $(WRAPPER_SOURCES:.s=.o)
42endif
43
44LDFLAGS := -Wl,--gc-sections -nostdlib
45
46ifeq ($(DEBUG),1)
47   LDFLAGS += -Wl,-Map=$(MAPFILE)
48endif
49
50ifeq (${ARM_ARCH_MINOR},0)
51	ASFLAGS = -march=armv8-a
52else
53	ASFLAGS = -march=armv8.${ARM_ARCH_MINOR}-a
54endif
55
56.PHONY: all clean distclean
57
58all: $(BUILD_DIR)/romlib.bin $(BUILD_DIR)/romlib.ldflags $(LIB_DIR)/libwrappers.a
59
60%.o: %.s | $$(@D)/
61	$(s)echo "  AS      $@"
62	$(q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
63
64$(BUILD_DIR)/%.o: %.s | $$(@D)/
65	$(s)echo "  AS      $@"
66	$(q)$(aarch64-as) -c $(ASFLAGS) -o $@ $<
67
68$(BUILD_DIR)/romlib.ld: romlib.ld.S | $$(@D)/
69	$(s)echo "  PP      $@"
70	$(q)$(aarch64-cpp) -E $(PPFLAGS) -o $@ romlib.ld.S
71
72$(BUILD_DIR)/romlib.elf: $(OBJS) $(BUILD_DIR)/romlib.ld | $$(@D)/
73	$(s)echo "  LD      $@"
74	$(q)$(aarch64-ld) -T $(BUILD_DIR)/romlib.ld -L$(LIB_DIR) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
75
76$(BUILD_DIR)/romlib.bin: $(BUILD_DIR)/romlib.elf | $$(@D)/
77	$(s)echo "  BIN     $@"
78	$(q)$(aarch64-oc) -O binary $(BUILD_DIR)/romlib.elf $@
79
80$(WRAPPER_DIR)/jmpvar.s: $(BUILD_DIR)/romlib.elf | $$(@D)/
81	$(s)echo "  VAR     $@"
82	$(q)$(ROMLIB_GEN) genvar --output $@ $<
83
84$(LIB_DIR)/libwrappers.a: $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS) | $$(@D)/
85	$(s)echo "  AR      $@"
86	$(q)$(aarch64-ar) -rc $@ $(WRAPPER_DIR)/jmpvar.o $(WRAPPER_OBJS)
87
88$(BUILD_DIR)/jmptbl.i: $(PROCESSED_JMPTBL) | $$(@D)/
89	$(s)echo "  PRE     $@"
90	$(q)$(ROMLIB_GEN) pre --output $@ --deps $(BUILD_DIR)/jmptbl.d $<
91
92$(WRAPPER_SOURCES) $&: $(PROCESSED_JMPTBL) | $$(@D)/
93	$(s)echo "  WRP     $<"
94	$(q)$(ROMLIB_GEN) genwrappers --bti=$(ENABLE_BTI) -b $(WRAPPER_DIR) $<
95
96$(WRAPPER_OBJS): $(WRAPPER_DIR)/%.o: $(WRAPPER_DIR)/%.s | $$(@D)/
97
98$(BUILD_DIR)/jmptbl.s: $(PROCESSED_JMPTBL) | $$(@D)/
99	$(s)echo "  TBL     $@"
100	$(q)$(ROMLIB_GEN) gentbl --output $@ --bti=$(ENABLE_BTI) $<
101
102$(BUILD_DIR)/romlib.ldflags: $(PROCESSED_JMPTBL) | $$(@D)/
103	$(s)echo "  LDFLAGS $@"
104	$(q)$(ROMLIB_GEN) link-flags $< > $@
105
106clean:
107	$(q)rm -f $(BUILD_DIR)/*
108
109-include $(BUILD_DIR)/romlib.d
110-include $(BUILD_DIR)/jmptbl.d
111