#=======================================================================
# Makefile for riscv-tests/isa
#-----------------------------------------------------------------------

src_dir := .

include $(src_dir)/rv64ui/Makefrag
include $(src_dir)/rv64uf/Makefrag
include $(src_dir)/rv64si/Makefrag
include $(src_dir)/rv64mi/Makefrag
include $(src_dir)/rv32ui/Makefrag
include $(src_dir)/rv32si/Makefrag
include $(src_dir)/rv32mi/Makefrag

default: all

#--------------------------------------------------------------------
# Build rules
#--------------------------------------------------------------------

RISCV_PREFIX ?= riscv64-unknown-linux-gnu-
RISCV_GCC ?= $(RISCV_PREFIX)gcc
ENTROPY ?= -DENTROPY=$(shell echo $$$$)
RISCV_GCC_OPTS ?= $(ENTROPY) -static -mcmodel=medany -fvisibility=hidden -nostdlib -nostartfiles
RISCV_OBJDUMP ?= $(RISCV_PREFIX)objdump --disassemble-all --disassemble-zeroes --section=.text --section=.text.startup --section=.text.init --section=.data
RISCV_SIM ?= spike
XLEN ?= 64

vpath %.S $(src_dir)

#------------------------------------------------------------
# Build assembly tests

%.hex: %
	(elf2hex 16 8192 $< 2> /dev/null || elf2hex 16 16384 $<) > $@

%.dump: %
	$(RISCV_OBJDUMP) $< > $@

%.out: %
	$(RISCV_SIM) $< 2> $@

%.out32: %
	$(RISCV_SIM) --isa=RV32 $< 2> $@

define compile_template

$$($(1)_p_tests): $(1)-p-%: $(1)/%.S
	$$(RISCV_GCC) $(2) $$(RISCV_GCC_OPTS) -I$(src_dir)/../env/p -I$(src_dir)/macros/scalar -T$(src_dir)/../env/p/link.ld $$< -o $$@
$(1)_tests += $$($(1)_p_tests)

$$($(1)_pt_tests): $(1)-pt-%: $(1)/%.S
	$$(RISCV_GCC) $(2) $$(RISCV_GCC_OPTS) -I$(src_dir)/../env/pt -I$(src_dir)/macros/scalar -T$(src_dir)/../env/pt/link.ld $$< -o $$@
$(1)_tests += $$($(1)_pt_tests)

$$($(1)_pm_tests): $(1)-pm-%: $(1)/%.S
	$$(RISCV_GCC) $(2) $$(RISCV_GCC_OPTS) -I$(src_dir)/../env/pm -I$(src_dir)/macros/scalar -T$(src_dir)/../env/pm/link.ld $$< -o $$@
$(1)_tests += $$($(1)_pm_tests)

$$($(1)_v_tests): $(1)-v-%: $(1)/%.S
	$$(RISCV_GCC) $(2) $$(RISCV_GCC_OPTS) -std=gnu99 -O2 -I$(src_dir)/../env/v -I$(src_dir)/macros/scalar -T$(src_dir)/../env/v/link.ld $(src_dir)/../env/v/entry.S $(src_dir)/../env/v/vm.c $$< -lc -o $$@
$(1)_tests += $$($(1)_v_tests)

$(1)_tests_dump = $$(addsuffix .dump, $$($(1)_tests))
$(1)_tests_hex = $$(addsuffix .hex, $$($(1)_tests))

$(1): $$($(1)_tests_dump) $$($(1)_tests_hex)

.PHONY: $(1)

tests += $$($(1)_tests)

endef

$(eval $(call compile_template,rv32ui,-m32))
$(eval $(call compile_template,rv32si,-m32))
$(eval $(call compile_template,rv32mi,-m32))
ifeq ($(XLEN),64)
$(eval $(call compile_template,rv64ui))
$(eval $(call compile_template,rv64uf))
$(eval $(call compile_template,rv64si))
$(eval $(call compile_template,rv64mi))
endif

tests_dump = $(addsuffix .dump, $(tests))
tests_hex = $(addsuffix .hex, $(tests))
tests_out = $(addsuffix .out, $(spike_tests))
tests32_out = $(addsuffix .out32, $(spike32_tests))

run: $(tests_out) $(tests32_out)
	echo; perl -ne 'print "  [$$1] $$ARGV \t$$2\n" if /\*{3}(.{8})\*{3}(.*)/' \
	       $(tests_out) $(tests32_out); echo;

junk += $(tests) $(tests_dump) $(tests_hex) $(tests_out) $(tests32_out)

#------------------------------------------------------------
# Default

all: $(tests_dump) $(tests_hex)

#------------------------------------------------------------
# Clean up

clean:
	rm -rf $(junk)