xref: /kvm-unit-tests/riscv/Makefile (revision b9d58c27f7efeab8aa881a5c0eaa9f79d96aab2c) 
1#
2# riscv makefile
3#
4# Authors: Andrew Jones <ajones@ventanamicro.com>
5#
6
7ifeq ($(CONFIG_EFI),y)
8exe = efi
9else
10exe = flat
11endif
12
13tests =
14tests += $(TEST_DIR)/sbi.$(exe)
15tests += $(TEST_DIR)/selftest.$(exe)
16tests += $(TEST_DIR)/sieve.$(exe)
17
18all: $(tests)
19
20$(TEST_DIR)/sbi-deps = $(TEST_DIR)/sbi-asm.o $(TEST_DIR)/sbi-fwft.o
21
22all_deps += $($(TEST_DIR)/sbi-deps)
23
24# When built for EFI sieve needs extra memory, run with e.g. '-m 256' on QEMU
25$(TEST_DIR)/sieve.$(exe): AUXFLAGS = 0x1
26
27cstart.o = $(TEST_DIR)/cstart.o
28
29cflatobjs += lib/alloc.o
30cflatobjs += lib/alloc_page.o
31cflatobjs += lib/alloc_phys.o
32cflatobjs += lib/devicetree.o
33cflatobjs += lib/memregions.o
34cflatobjs += lib/on-cpus.o
35cflatobjs += lib/vmalloc.o
36cflatobjs += lib/riscv/bitops.o
37cflatobjs += lib/riscv/delay.o
38cflatobjs += lib/riscv/io.o
39cflatobjs += lib/riscv/isa.o
40cflatobjs += lib/riscv/mmu.o
41cflatobjs += lib/riscv/processor.o
42cflatobjs += lib/riscv/sbi.o
43cflatobjs += lib/riscv/setjmp.o
44cflatobjs += lib/riscv/setup.o
45cflatobjs += lib/riscv/smp.o
46cflatobjs += lib/riscv/stack.o
47cflatobjs += lib/riscv/timer.o
48ifeq ($(ARCH),riscv32)
49cflatobjs += lib/ldiv32.o
50endif
51
52########################################
53
54OBJDIRS += lib/riscv
55FLATLIBS = $(libcflat) $(LIBFDT_archive)
56
57AUXFLAGS ?= 0x0
58
59# stack.o relies on frame pointers.
60KEEP_FRAME_POINTER := y
61
62# We want to keep intermediate files
63.PRECIOUS: %.elf %.o
64
65define arch_elf_check =
66	$(if $(shell ! $(READELF) -rW $(1) >&/dev/null && echo "nok"),
67		$(error $(shell $(READELF) -rW $(1) 2>&1)))
68	$(if $(shell $(READELF) -rW $(1) | grep R_ | grep -v R_RISCV_RELATIVE),
69		$(error $(1) has unsupported reloc types))
70endef
71
72ISA_COMMON = imac_zicsr_zifencei_zihintpause
73
74ifeq ($(ARCH),riscv64)
75CFLAGS  += -DCONFIG_64BIT
76CFLAGS  += -mabi=lp64 -march=rv64$(ISA_COMMON)
77LDFLAGS += -melf64lriscv
78else ifeq ($(ARCH),riscv32)
79CFLAGS  += -mabi=ilp32 -march=rv32$(ISA_COMMON)
80LDFLAGS += -melf32lriscv
81endif
82CFLAGS += -DCONFIG_RELOC
83CFLAGS += -mcmodel=medany
84# Unaligned accesses are allowed, but may be emulated by M-mode.
85# Enable -mstrict-align if that's troublesome (only supported by gcc).
86#CFLAGS += -mstrict-align
87CFLAGS += -std=gnu99
88CFLAGS += -ffreestanding
89CFLAGS += -O2
90CFLAGS += -I $(SRCDIR)/lib -I $(SRCDIR)/lib/libfdt -I lib -I $(SRCDIR)/riscv
91
92asm-offsets = lib/riscv/asm-offsets.h riscv/sbi-asm-offsets.h
93include $(SRCDIR)/scripts/asm-offsets.mak
94
95.PRECIOUS: %.aux.o
96%.aux.o: $(SRCDIR)/lib/auxinfo.c
97	$(CC) $(CFLAGS) -c -o $@ $< \
98		-DPROGNAME=\"$(notdir $(@:.aux.o=.$(exe)))\" -DAUXFLAGS=$(AUXFLAGS)
99
100.SECONDEXPANSION:
101ifeq ($(CONFIG_EFI),y)
102# avoid jump tables before all relocations have been processed
103riscv/efi/reloc_riscv64.o: CFLAGS += -fno-jump-tables
104cflatobjs += riscv/efi/reloc_riscv64.o
105cflatobjs += lib/acpi.o
106cflatobjs += lib/efi.o
107
108.PRECIOUS: %.so
109
110%.so: EFI_LDFLAGS += -defsym=EFI_SUBSYSTEM=0xa --no-undefined
111%.so: %.o $(FLATLIBS) $(SRCDIR)/riscv/efi/elf_riscv64_efi.lds $(cstart.o) %.aux.o $$($$*-deps)
112	$(LD) $(EFI_LDFLAGS) -o $@ -T $(SRCDIR)/riscv/efi/elf_riscv64_efi.lds \
113		$(filter %.o, $^) $(FLATLIBS) $(EFI_LIBS)
114
115%.efi: %.so
116	$(call arch_elf_check, $^)
117	$(OBJCOPY) --only-keep-debug $^ $@.debug
118	$(OBJCOPY) --strip-debug $^
119	$(OBJCOPY) --add-gnu-debuglink=$@.debug $^
120	$(OBJCOPY) \
121		-j .text -j .sdata -j .data -j .rodata -j .dynamic -j .dynsym \
122		-j .rel -j .rela -j .rel.* -j .rela.* -j .rel* -j .rela* \
123		-j .reloc \
124		-O binary $^ $@
125else
126%.elf: LDFLAGS += -pie -n -z notext
127%.elf: %.o $(FLATLIBS) $(SRCDIR)/riscv/flat.lds $(cstart.o) %.aux.o $$($$*-deps)
128	$(LD) $(LDFLAGS) -o $@ -T $(SRCDIR)/riscv/flat.lds \
129		$(filter %.o, $^) $(FLATLIBS)
130	@chmod a-x $@
131
132%.flat: %.elf
133	$(call arch_elf_check, $^)
134	$(OBJCOPY) -O binary $^ $@
135	@chmod a-x $@
136endif
137
138generated-files = $(asm-offsets)
139$(tests:.$(exe)=.o) $(cstart.o) $(cflatobjs) $(all_deps): $(generated-files)
140
141arch_clean: asm_offsets_clean
142	$(RM) $(TEST_DIR)/*.{o,flat,elf,so,efi,debug} \
143	      $(TEST_DIR)/.*.d $(TEST_DIR)/efi/.*.d lib/riscv/.*.d
144