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Makefile
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# we assume that the utilities from RISC-V cross-compiler (i.e., riscv64-unknown-elf-gcc and etc.)
# are in your system PATH. To check if your environment satisfies this requirement, simple use
# `which` command as follows:
# $ which riscv64-unknown-elf-gcc
# if you have an output path, your environment satisfy our requirement.
# --------------------- macros --------------------------
CROSS_PREFIX := riscv64-unknown-elf-
CC := $(CROSS_PREFIX)gcc
AR := $(CROSS_PREFIX)ar
RANLIB := $(CROSS_PREFIX)ranlib
SRC_DIR := .
OBJ_DIR := obj
SPROJS_INCLUDE := -I.
ifneq (,)
march := -march=
is_32bit := $(findstring 32,$(march))
mabi := -mabi=$(if $(is_32bit),ilp32,lp64)
endif
CFLAGS := -Wall -Werror -fno-builtin -nostdlib -D__NO_INLINE__ -mcmodel=medany -g -Og -std=gnu99 -Wno-unused -Wno-attributes -fno-delete-null-pointer-checks -fno-PIE $(march)
COMPILE := $(CC) -MMD -MP $(CFLAGS) $(SPROJS_INCLUDE)
#--------------------- utils -----------------------
UTIL_CPPS := util/*.c
UTIL_CPPS := $(wildcard $(UTIL_CPPS))
UTIL_OBJS := $(addprefix $(OBJ_DIR)/, $(patsubst %.c,%.o,$(UTIL_CPPS)))
UTIL_LIB := $(OBJ_DIR)/util.a
#--------------------- kernel -----------------------
KERNEL_LDS := kernel/kernel.lds
KERNEL_CPPS := \
kernel/*.c \
kernel/machine/*.c \
kernel/util/*.c
KERNEL_ASMS := \
kernel/*.S \
kernel/machine/*.S \
kernel/util/*.S
KERNEL_CPPS := $(wildcard $(KERNEL_CPPS))
KERNEL_ASMS := $(wildcard $(KERNEL_ASMS))
KERNEL_OBJS := $(addprefix $(OBJ_DIR)/, $(patsubst %.c,%.o,$(KERNEL_CPPS)))
KERNEL_OBJS += $(addprefix $(OBJ_DIR)/, $(patsubst %.S,%.o,$(KERNEL_ASMS)))
KERNEL_TARGET = $(OBJ_DIR)/riscv-pke
#--------------------- spike interface library -----------------------
SPIKE_INF_CPPS := spike_interface/*.c
SPIKE_INF_CPPS := $(wildcard $(SPIKE_INF_CPPS))
SPIKE_INF_OBJS := $(addprefix $(OBJ_DIR)/, $(patsubst %.c,%.o,$(SPIKE_INF_CPPS)))
SPIKE_INF_LIB := $(OBJ_DIR)/spike_interface.a
#--------------------- user -----------------------
USER_CPPS := user/*.c
USER_CPPS := $(wildcard $(USER_CPPS))
USER_OBJS := $(addprefix $(OBJ_DIR)/, $(patsubst %.c,%.o,$(USER_CPPS)))
USER_TARGET := $(OBJ_DIR)/app_sum_sequence
#------------------------targets------------------------
$(OBJ_DIR):
@-mkdir -p $(OBJ_DIR)
@-mkdir -p $(dir $(UTIL_OBJS))
@-mkdir -p $(dir $(SPIKE_INF_OBJS))
@-mkdir -p $(dir $(KERNEL_OBJS))
@-mkdir -p $(dir $(USER_OBJS))
$(OBJ_DIR)/%.o : %.c
@echo "compiling" $<
@$(COMPILE) -c $< -o $@
$(OBJ_DIR)/%.o : %.S
@echo "compiling" $<
@$(COMPILE) -c $< -o $@
$(UTIL_LIB): $(OBJ_DIR) $(UTIL_OBJS)
@echo "linking " $@ ...
@$(AR) -rcs $@ $(UTIL_OBJS)
@echo "Util lib has been build into" \"$@\"
$(SPIKE_INF_LIB): $(OBJ_DIR) $(UTIL_OBJS) $(SPIKE_INF_OBJS)
@echo "linking " $@ ...
@$(AR) -rcs $@ $(SPIKE_INF_OBJS) $(UTIL_OBJS)
@echo "Spike lib has been build into" \"$@\"
$(KERNEL_TARGET): $(OBJ_DIR) $(UTIL_LIB) $(SPIKE_INF_LIB) $(KERNEL_OBJS) $(KERNEL_LDS)
@echo "linking" $@ ...
@$(COMPILE) $(KERNEL_OBJS) $(UTIL_LIB) $(SPIKE_INF_LIB) -o $@ -T $(KERNEL_LDS)
@echo "PKE core has been built into" \"$@\"
$(USER_TARGET): $(OBJ_DIR) $(UTIL_LIB) $(USER_OBJS)
@echo "linking" $@ ...
@$(COMPILE) --entry=main $(USER_OBJS) $(UTIL_LIB) -o $@
@echo "User app has been built into" \"$@\"
-include $(wildcard $(OBJ_DIR)/*/*.d)
-include $(wildcard $(OBJ_DIR)/*/*/*.d)
.DEFAULT_GOAL := $(all)
all: $(KERNEL_TARGET) $(USER_TARGET)
.PHONY:all
run: $(KERNEL_TARGET) $(USER_TARGET)
@echo "********************HUST PKE********************"
spike $(KERNEL_TARGET) $(USER_TARGET)
# need openocd!
gdb:$(KERNEL_TARGET) $(USER_TARGET)
spike --rbb-port=9824 -H $(KERNEL_TARGET) $(USER_TARGET) &
@sleep 1
openocd -f ./.spike.cfg &
@sleep 1
riscv64-unknown-elf-gdb -command=./.gdbinit
# clean gdb. need openocd!
gdb_clean:
@-kill -9 $$(lsof -i:9824 -t)
@-kill -9 $$(lsof -i:3333 -t)
@sleep 1
objdump:
riscv64-unknown-elf-objdump -d $(KERNEL_TARGET) > $(OBJ_DIR)/kernel_dump
riscv64-unknown-elf-objdump -d $(USER_TARGET) > $(OBJ_DIR)/user_dump
cscope:
find ./ -name "*.c" > cscope.files
find ./ -name "*.h" >> cscope.files
find ./ -name "*.S" >> cscope.files
find ./ -name "*.lds" >> cscope.files
cscope -bqk
format:
@python ./format.py ./
clean:
rm -fr ${OBJ_DIR}