Adding files

inference_codes/common/common.mk

@@ -0,0 +1,77 @@
+# Copyright lowRISC contributors.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+
+COMMON_DIR := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
+
+COMMON_SRCS = $(wildcard $(COMMON_DIR)/*.c)
+INCS := -I$(COMMON_DIR)
+
+#ARCH = rv32im # to disable compressed instructions
+ARCH ?= rv32imc
+
+ifdef PROGRAM
+PROGRAM_C := $(PROGRAM).c
+endif
+
+SRCS = $(COMMON_SRCS) $(PROGRAM_C) $(EXTRA_SRCS)
+
+C_SRCS = $(filter %.c, $(SRCS))
+ASM_SRCS = $(filter %.S, $(SRCS))
+CPLUSPLUS = $(filter %.cpp $(SRCS))
+
+CC = riscv32-unknown-elf-gcc
+
+CROSS_COMPILE = $(patsubst %-gcc,%-,$(CC))
+
+OBJCOPY ?= $(CROSS_COMPILE)objcopy
+OBJDUMP ?= $(CROSS_COMPILE)objdump
+
+LINKER_SCRIPT ?= $(COMMON_DIR)/link.ld
+CRT ?= $(COMMON_DIR)/crt0.S
+CFLAGS ?= -march=$(ARCH) -mabi=ilp32 -static -mcmodel=medany -Wall -g -O3\
+	-fvisibility=hidden -nostartfiles -ffreestanding $(PROGRAM_CFLAGS)
+
+OBJS := ${C_SRCS:.c=.o} ${ASM_SRCS:.S=.o} ${CRT:.S=.o}
+
+DEPS = $(OBJS:%.o=%.d)
+ifdef PROGRAM
+OUTFILES := $(PROGRAM).elf $(PROGRAM).vmem $(PROGRAM).bin
+else
+OUTFILES := $(OBJS)
+endif
+
+all: $(OUTFILES)
+
+ifdef PROGRAM
+$(PROGRAM).elf: $(OBJS) $(LINKER_SCRIPT)
+	$(CC) $(CFLAGS) -T $(LINKER_SCRIPT) $(OBJS) -o $@ $(LIBS)
+
+.PHONY: disassemble
+disassemble: $(PROGRAM).dis
+endif
+
+%.dis: %.elf
+	$(OBJDUMP) -fhSD $^ > $@
+
+# Note: this target requires the srecord package to be installed.
+# XXX: This could be replaced by objcopy once
+# https://sourceware.org/bugzilla/show_bug.cgi?id=19921
+# is widely available.
+%.vmem: %.bin
+	srec_cat $^ -binary -offset 0x0000 -byte-swap 4 -o $@ -vmem
+
+%.bin: %.elf
+	$(OBJCOPY) -O binary $^ $@
+
+%.o: %.c
+	$(CC) $(CFLAGS) -MMD -c $(INCS) -o $@ $<
+
+%.o: %.S
+	$(CC) $(CFLAGS) -MMD -c $(INCS) -o $@ $<
+
+clean:
+	$(RM) -f $(OBJS) $(DEPS)
+
+distclean: clean
+	$(RM) -f $(OUTFILES)