# SPDX-License-Identifier: GPL-2.0-only
include ../../../build/Build.include

all:

LIBKVM += lib/assert.c
LIBKVM += lib/elf.c
LIBKVM += lib/guest_modes.c
LIBKVM += lib/io.c
LIBKVM += lib/kvm_util.c
LIBKVM += lib/lru_gen_util.c
LIBKVM += lib/memstress.c
LIBKVM += lib/guest_sprintf.c
LIBKVM += lib/rbtree.c
LIBKVM += lib/sparsebit.c
LIBKVM += lib/test_util.c
LIBKVM += lib/ucall_common.c
LIBKVM += lib/userfaultfd_util.c

LIBKVM_STRING += lib/string_override.c

LIBKVM_x86 += lib/x86/apic.c
LIBKVM_x86 += lib/x86/handlers.S
LIBKVM_x86 += lib/x86/hyperv.c
LIBKVM_x86 += lib/x86/memstress.c
LIBKVM_x86 += lib/x86/pmu.c
LIBKVM_x86 += lib/x86/processor.c
LIBKVM_x86 += lib/x86/sev.c
LIBKVM_x86 += lib/x86/svm.c
LIBKVM_x86 += lib/x86/ucall.c
LIBKVM_x86 += lib/x86/vmx.c

LIBKVM_arm64 += lib/arm64/gic.c
LIBKVM_arm64 += lib/arm64/gic_v3.c
LIBKVM_arm64 += lib/arm64/gic_v3_its.c
LIBKVM_arm64 += lib/arm64/handlers.S
LIBKVM_arm64 += lib/arm64/processor.c
LIBKVM_arm64 += lib/arm64/spinlock.c
LIBKVM_arm64 += lib/arm64/ucall.c
LIBKVM_arm64 += lib/arm64/vgic.c

LIBKVM_s390 += lib/s390/diag318_test_handler.c
LIBKVM_s390 += lib/s390/processor.c
LIBKVM_s390 += lib/s390/ucall.c
LIBKVM_s390 += lib/s390/facility.c

LIBKVM_riscv += lib/riscv/handlers.S
LIBKVM_riscv += lib/riscv/processor.c
LIBKVM_riscv += lib/riscv/ucall.c

LIBKVM_loongarch += lib/loongarch/processor.c
LIBKVM_loongarch += lib/loongarch/ucall.c
LIBKVM_loongarch += lib/loongarch/exception.S

# Non-compiled test targets
TEST_PROGS_x86 += x86/nx_huge_pages_test.sh

# Compiled test targets valid on all architectures with libkvm support
TEST_GEN_PROGS_COMMON = demand_paging_test
TEST_GEN_PROGS_COMMON += dirty_log_test
TEST_GEN_PROGS_COMMON += guest_print_test
TEST_GEN_PROGS_COMMON += irqfd_test
TEST_GEN_PROGS_COMMON += kvm_binary_stats_test
TEST_GEN_PROGS_COMMON += kvm_create_max_vcpus
TEST_GEN_PROGS_COMMON += kvm_page_table_test
TEST_GEN_PROGS_COMMON += set_memory_region_test

# Compiled test targets
TEST_GEN_PROGS_x86 = $(TEST_GEN_PROGS_COMMON)
TEST_GEN_PROGS_x86 += x86/cpuid_test
TEST_GEN_PROGS_x86 += x86/cr4_cpuid_sync_test
TEST_GEN_PROGS_x86 += x86/dirty_log_page_splitting_test
TEST_GEN_PROGS_x86 += x86/feature_msrs_test
TEST_GEN_PROGS_x86 += x86/exit_on_emulation_failure_test
TEST_GEN_PROGS_x86 += x86/fastops_test
TEST_GEN_PROGS_x86 += x86/fix_hypercall_test
TEST_GEN_PROGS_x86 += x86/hwcr_msr_test
TEST_GEN_PROGS_x86 += x86/hyperv_clock
TEST_GEN_PROGS_x86 += x86/hyperv_cpuid
TEST_GEN_PROGS_x86 += x86/hyperv_evmcs
TEST_GEN_PROGS_x86 += x86/hyperv_extended_hypercalls
TEST_GEN_PROGS_x86 += x86/hyperv_features
TEST_GEN_PROGS_x86 += x86/hyperv_ipi
TEST_GEN_PROGS_x86 += x86/hyperv_svm_test
TEST_GEN_PROGS_x86 += x86/hyperv_tlb_flush
TEST_GEN_PROGS_x86 += x86/kvm_clock_test
TEST_GEN_PROGS_x86 += x86/kvm_pv_test
TEST_GEN_PROGS_x86 += x86/kvm_buslock_test
TEST_GEN_PROGS_x86 += x86/monitor_mwait_test
TEST_GEN_PROGS_x86 += x86/msrs_test
TEST_GEN_PROGS_x86 += x86/nested_emulation_test
TEST_GEN_PROGS_x86 += x86/nested_exceptions_test
TEST_GEN_PROGS_x86 += x86/platform_info_test
TEST_GEN_PROGS_x86 += x86/pmu_counters_test
TEST_GEN_PROGS_x86 += x86/pmu_event_filter_test
TEST_GEN_PROGS_x86 += x86/private_mem_conversions_test
TEST_GEN_PROGS_x86 += x86/private_mem_kvm_exits_test
TEST_GEN_PROGS_x86 += x86/set_boot_cpu_id
TEST_GEN_PROGS_x86 += x86/set_sregs_test
TEST_GEN_PROGS_x86 += x86/smaller_maxphyaddr_emulation_test
TEST_GEN_PROGS_x86 += x86/smm_test
TEST_GEN_PROGS_x86 += x86/state_test
TEST_GEN_PROGS_x86 += x86/vmx_preemption_timer_test
TEST_GEN_PROGS_x86 += x86/svm_vmcall_test
TEST_GEN_PROGS_x86 += x86/svm_int_ctl_test
TEST_GEN_PROGS_x86 += x86/svm_nested_shutdown_test
TEST_GEN_PROGS_x86 += x86/svm_nested_soft_inject_test
TEST_GEN_PROGS_x86 += x86/tsc_scaling_sync
TEST_GEN_PROGS_x86 += x86/sync_regs_test
TEST_GEN_PROGS_x86 += x86/ucna_injection_test
TEST_GEN_PROGS_x86 += x86/userspace_io_test
TEST_GEN_PROGS_x86 += x86/userspace_msr_exit_test
TEST_GEN_PROGS_x86 += x86/vmx_apic_access_test
TEST_GEN_PROGS_x86 += x86/vmx_close_while_nested_test
TEST_GEN_PROGS_x86 += x86/vmx_dirty_log_test
TEST_GEN_PROGS_x86 += x86/vmx_exception_with_invalid_guest_state
TEST_GEN_PROGS_x86 += x86/vmx_msrs_test
TEST_GEN_PROGS_x86 += x86/vmx_invalid_nested_guest_state
TEST_GEN_PROGS_x86 += x86/vmx_set_nested_state_test
TEST_GEN_PROGS_x86 += x86/vmx_tsc_adjust_test
TEST_GEN_PROGS_x86 += x86/vmx_nested_tsc_scaling_test
TEST_GEN_PROGS_x86 += x86/apic_bus_clock_test
TEST_GEN_PROGS_x86 += x86/xapic_ipi_test
TEST_GEN_PROGS_x86 += x86/xapic_state_test
TEST_GEN_PROGS_x86 += x86/xcr0_cpuid_test
TEST_GEN_PROGS_x86 += x86/xss_msr_test
TEST_GEN_PROGS_x86 += x86/debug_regs
TEST_GEN_PROGS_x86 += x86/tsc_msrs_test
TEST_GEN_PROGS_x86 += x86/vmx_pmu_caps_test
TEST_GEN_PROGS_x86 += x86/xen_shinfo_test
TEST_GEN_PROGS_x86 += x86/xen_vmcall_test
TEST_GEN_PROGS_x86 += x86/sev_init2_tests
TEST_GEN_PROGS_x86 += x86/sev_migrate_tests
TEST_GEN_PROGS_x86 += x86/sev_smoke_test
TEST_GEN_PROGS_x86 += x86/amx_test
TEST_GEN_PROGS_x86 += x86/max_vcpuid_cap_test
TEST_GEN_PROGS_x86 += x86/triple_fault_event_test
TEST_GEN_PROGS_x86 += x86/recalc_apic_map_test
TEST_GEN_PROGS_x86 += x86/aperfmperf_test
TEST_GEN_PROGS_x86 += access_tracking_perf_test
TEST_GEN_PROGS_x86 += coalesced_io_test
TEST_GEN_PROGS_x86 += dirty_log_perf_test
TEST_GEN_PROGS_x86 += guest_memfd_test
TEST_GEN_PROGS_x86 += hardware_disable_test
TEST_GEN_PROGS_x86 += memslot_modification_stress_test
TEST_GEN_PROGS_x86 += memslot_perf_test
TEST_GEN_PROGS_x86 += mmu_stress_test
TEST_GEN_PROGS_x86 += rseq_test
TEST_GEN_PROGS_x86 += steal_time
TEST_GEN_PROGS_x86 += system_counter_offset_test
TEST_GEN_PROGS_x86 += pre_fault_memory_test

# Compiled outputs used by test targets
TEST_GEN_PROGS_EXTENDED_x86 += x86/nx_huge_pages_test

TEST_GEN_PROGS_arm64 = $(TEST_GEN_PROGS_COMMON)
TEST_GEN_PROGS_arm64 += arm64/aarch32_id_regs
TEST_GEN_PROGS_arm64 += arm64/arch_timer_edge_cases
TEST_GEN_PROGS_arm64 += arm64/debug-exceptions
TEST_GEN_PROGS_arm64 += arm64/hello_el2
TEST_GEN_PROGS_arm64 += arm64/host_sve
TEST_GEN_PROGS_arm64 += arm64/hypercalls
TEST_GEN_PROGS_arm64 += arm64/external_aborts
TEST_GEN_PROGS_arm64 += arm64/page_fault_test
TEST_GEN_PROGS_arm64 += arm64/psci_test
TEST_GEN_PROGS_arm64 += arm64/set_id_regs
TEST_GEN_PROGS_arm64 += arm64/smccc_filter
TEST_GEN_PROGS_arm64 += arm64/vcpu_width_config
TEST_GEN_PROGS_arm64 += arm64/vgic_init
TEST_GEN_PROGS_arm64 += arm64/vgic_irq
TEST_GEN_PROGS_arm64 += arm64/vgic_lpi_stress
TEST_GEN_PROGS_arm64 += arm64/vpmu_counter_access
TEST_GEN_PROGS_arm64 += arm64/no-vgic-v3
TEST_GEN_PROGS_arm64 += arm64/kvm-uuid
TEST_GEN_PROGS_arm64 += access_tracking_perf_test
TEST_GEN_PROGS_arm64 += arch_timer
TEST_GEN_PROGS_arm64 += coalesced_io_test
TEST_GEN_PROGS_arm64 += dirty_log_perf_test
TEST_GEN_PROGS_arm64 += get-reg-list
TEST_GEN_PROGS_arm64 += guest_memfd_test
TEST_GEN_PROGS_arm64 += memslot_modification_stress_test
TEST_GEN_PROGS_arm64 += memslot_perf_test
TEST_GEN_PROGS_arm64 += mmu_stress_test
TEST_GEN_PROGS_arm64 += rseq_test
TEST_GEN_PROGS_arm64 += steal_time

TEST_GEN_PROGS_s390 = $(TEST_GEN_PROGS_COMMON)
TEST_GEN_PROGS_s390 += s390/memop
TEST_GEN_PROGS_s390 += s390/resets
TEST_GEN_PROGS_s390 += s390/sync_regs_test
TEST_GEN_PROGS_s390 += s390/tprot
TEST_GEN_PROGS_s390 += s390/cmma_test
TEST_GEN_PROGS_s390 += s390/debug_test
TEST_GEN_PROGS_s390 += s390/cpumodel_subfuncs_test
TEST_GEN_PROGS_s390 += s390/shared_zeropage_test
TEST_GEN_PROGS_s390 += s390/ucontrol_test
TEST_GEN_PROGS_s390 += rseq_test

TEST_GEN_PROGS_riscv = $(TEST_GEN_PROGS_COMMON)
TEST_GEN_PROGS_riscv += riscv/sbi_pmu_test
TEST_GEN_PROGS_riscv += riscv/ebreak_test
TEST_GEN_PROGS_riscv += access_tracking_perf_test
TEST_GEN_PROGS_riscv += arch_timer
TEST_GEN_PROGS_riscv += coalesced_io_test
TEST_GEN_PROGS_riscv += dirty_log_perf_test
TEST_GEN_PROGS_riscv += get-reg-list
TEST_GEN_PROGS_riscv += memslot_modification_stress_test
TEST_GEN_PROGS_riscv += memslot_perf_test
TEST_GEN_PROGS_riscv += mmu_stress_test
TEST_GEN_PROGS_riscv += rseq_test
TEST_GEN_PROGS_riscv += steal_time

TEST_GEN_PROGS_loongarch += coalesced_io_test
TEST_GEN_PROGS_loongarch += demand_paging_test
TEST_GEN_PROGS_loongarch += dirty_log_perf_test
TEST_GEN_PROGS_loongarch += dirty_log_test
TEST_GEN_PROGS_loongarch += guest_print_test
TEST_GEN_PROGS_loongarch += hardware_disable_test
TEST_GEN_PROGS_loongarch += kvm_binary_stats_test
TEST_GEN_PROGS_loongarch += kvm_create_max_vcpus
TEST_GEN_PROGS_loongarch += kvm_page_table_test
TEST_GEN_PROGS_loongarch += memslot_modification_stress_test
TEST_GEN_PROGS_loongarch += memslot_perf_test
TEST_GEN_PROGS_loongarch += set_memory_region_test

SPLIT_TESTS += arch_timer
SPLIT_TESTS += get-reg-list

TEST_PROGS += $(TEST_PROGS_$(ARCH))
TEST_GEN_PROGS += $(TEST_GEN_PROGS_$(ARCH))
TEST_GEN_PROGS_EXTENDED += $(TEST_GEN_PROGS_EXTENDED_$(ARCH))
LIBKVM += $(LIBKVM_$(ARCH))

OVERRIDE_TARGETS = 1

# lib.mak defines $(OUTPUT), prepends $(OUTPUT)/ to $(TEST_GEN_PROGS), and most
# importantly defines, i.e. overwrites, $(CC) (unless `make -e` or `make CC=`,
# which causes the environment variable to override the makefile).
include ../lib.mk
include ../cgroup/lib/libcgroup.mk

INSTALL_HDR_PATH = $(top_srcdir)/usr
LINUX_HDR_PATH = $(INSTALL_HDR_PATH)/include/
LINUX_TOOL_INCLUDE = $(top_srcdir)/tools/include
LINUX_TOOL_ARCH_INCLUDE = $(top_srcdir)/tools/arch/$(ARCH)/include
CFLAGS += -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99 \
	-Wno-gnu-variable-sized-type-not-at-end -MD -MP -DCONFIG_64BIT \
	-U_FORTIFY_SOURCE \
	-fno-builtin-memcmp -fno-builtin-memcpy \
	-fno-builtin-memset -fno-builtin-strnlen \
	-fno-stack-protector -fno-PIE -fno-strict-aliasing \
	-I$(LINUX_TOOL_INCLUDE) -I$(LINUX_TOOL_ARCH_INCLUDE) \
	-I$(LINUX_HDR_PATH) -Iinclude -I$(<D) -Iinclude/$(ARCH) \
	-I ../rseq -I.. $(EXTRA_CFLAGS) $(KHDR_INCLUDES)
ifeq ($(ARCH),s390)
	CFLAGS += -march=z10
endif
ifeq ($(ARCH),x86)
ifeq ($(shell echo "void foo(void) { }" | $(CC) -march=x86-64-v2 -x c - -c -o /dev/null 2>/dev/null; echo "$$?"),0)
	CFLAGS += -march=x86-64-v2
endif
endif
ifeq ($(ARCH),arm64)
tools_dir := $(top_srcdir)/tools
arm64_tools_dir := $(tools_dir)/arch/arm64/tools/

ifneq ($(abs_objdir),)
arm64_hdr_outdir := $(abs_objdir)/tools/
else
arm64_hdr_outdir := $(tools_dir)/
endif

GEN_HDRS := $(arm64_hdr_outdir)arch/arm64/include/generated/
CFLAGS += -I$(GEN_HDRS)

$(GEN_HDRS): $(wildcard $(arm64_tools_dir)/*)
	$(MAKE) -C $(arm64_tools_dir) OUTPUT=$(arm64_hdr_outdir)
endif

no-pie-option := $(call try-run, echo 'int main(void) { return 0; }' | \
        $(CC) -Werror $(CFLAGS) -no-pie -x c - -o "$$TMP", -no-pie)

# On s390, build the testcases KVM-enabled
pgste-option = $(call try-run, echo 'int main(void) { return 0; }' | \
	$(CC) -Werror -Wl$(comma)--s390-pgste -x c - -o "$$TMP",-Wl$(comma)--s390-pgste)

LDLIBS += -ldl
LDFLAGS += -pthread $(no-pie-option) $(pgste-option)

LIBKVM_C := $(filter %.c,$(LIBKVM))
LIBKVM_S := $(filter %.S,$(LIBKVM))
LIBKVM_C_OBJ := $(patsubst %.c, $(OUTPUT)/%.o, $(LIBKVM_C))
LIBKVM_S_OBJ := $(patsubst %.S, $(OUTPUT)/%.o, $(LIBKVM_S))
LIBKVM_STRING_OBJ := $(patsubst %.c, $(OUTPUT)/%.o, $(LIBKVM_STRING))
LIBKVM_OBJS = $(LIBKVM_C_OBJ) $(LIBKVM_S_OBJ) $(LIBKVM_STRING_OBJ) $(LIBCGROUP_O)
SPLIT_TEST_GEN_PROGS := $(patsubst %, $(OUTPUT)/%, $(SPLIT_TESTS))
SPLIT_TEST_GEN_OBJ := $(patsubst %, $(OUTPUT)/$(ARCH)/%.o, $(SPLIT_TESTS))

TEST_GEN_OBJ = $(patsubst %, %.o, $(TEST_GEN_PROGS))
TEST_GEN_OBJ += $(patsubst %, %.o, $(TEST_GEN_PROGS_EXTENDED))
TEST_DEP_FILES = $(patsubst %.o, %.d, $(TEST_GEN_OBJ))
TEST_DEP_FILES += $(patsubst %.o, %.d, $(LIBKVM_OBJS))
TEST_DEP_FILES += $(patsubst %.o, %.d, $(SPLIT_TEST_GEN_OBJ))
-include $(TEST_DEP_FILES)

$(shell mkdir -p $(sort $(OUTPUT)/$(ARCH) $(dir $(LIBKVM_C_OBJ) $(LIBKVM_S_OBJ))))

$(filter-out $(SPLIT_TEST_GEN_PROGS), $(TEST_GEN_PROGS)) \
$(TEST_GEN_PROGS_EXTENDED): %: %.o
	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) $< $(LIBKVM_OBJS) $(LDLIBS) -o $@
$(TEST_GEN_OBJ): $(OUTPUT)/%.o: %.c
	$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c $< -o $@

$(SPLIT_TEST_GEN_PROGS): $(OUTPUT)/%: $(OUTPUT)/%.o $(OUTPUT)/$(ARCH)/%.o
	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) $^ $(LDLIBS) -o $@
$(SPLIT_TEST_GEN_OBJ): $(OUTPUT)/$(ARCH)/%.o: $(ARCH)/%.c
	$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c $< -o $@

EXTRA_CLEAN += $(GEN_HDRS) \
	       $(LIBKVM_OBJS) \
	       $(SPLIT_TEST_GEN_OBJ) \
	       $(TEST_DEP_FILES) \
	       $(TEST_GEN_OBJ) \
	       cscope.*

$(LIBKVM_C_OBJ): $(OUTPUT)/%.o: %.c $(GEN_HDRS)
	$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c $< -o $@

$(LIBKVM_S_OBJ): $(OUTPUT)/%.o: %.S $(GEN_HDRS)
	$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c $< -o $@

# Compile the string overrides as freestanding to prevent the compiler from
# generating self-referential code, e.g. without "freestanding" the compiler may
# "optimize" memcmp() by invoking memcmp(), thus causing infinite recursion.
$(LIBKVM_STRING_OBJ): $(OUTPUT)/%.o: %.c
	$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c -ffreestanding $< -o $@

$(shell mkdir -p $(sort $(dir $(TEST_GEN_PROGS))))
$(SPLIT_TEST_GEN_OBJ): $(GEN_HDRS)
$(TEST_GEN_PROGS): $(LIBKVM_OBJS)
$(TEST_GEN_PROGS_EXTENDED): $(LIBKVM_OBJS)
$(TEST_GEN_OBJ): $(GEN_HDRS)

cscope: include_paths = $(LINUX_TOOL_INCLUDE) $(LINUX_HDR_PATH) include lib ..
cscope:
	$(RM) cscope.*
	(find $(include_paths) -name '*.h' \
		-exec realpath --relative-base=$(PWD) {} \;; \
	find . -name '*.c' \
		-exec realpath --relative-base=$(PWD) {} \;) | sort -u > cscope.files
	cscope -b