#-- Set up the toolchain -------------------------------------------------------
|
#-- Bring toolchain config parameters from the common makefile
|
|
include ..\\common\\makefile
|
|
|
BIN_MIPS = C:/dev/embedded/SourceryGpp/mips-elf-11-03.52/bin
|
# Link script to be used: run from BRAM
|
CC = $(BIN_MIPS)/mips-sde-elf-gcc.exe $(CFLAGS)
|
|
AS = $(BIN_MIPS)/mips-sde-elf-as
|
|
LD = $(BIN_MIPS)/mips-sde-elf-ld
|
|
DUMP = $(BIN_MIPS)/mips-sde-elf-objdump
|
|
COPY = $(BIN_MIPS)/mips-sde-elf-objcopy
|
|
TO_VHDL = python ../bin2hdl.py
|
|
|
|
|
|
#-- Set up the code structure --------------------------------------------------
|
|
|
|
# VHDL test bench directory, where VHDL output files will be created
|
|
TB_DIR = ../../vhdl/tb
|
|
# VHDL DE-1 board demo root directory, for vhdl output
|
|
DEMO_DIR = ../../vhdl/demo
|
|
# Root test code source directory, where python script and vhdl templates are
|
|
SRC_DIR = ..
|
|
# Path to local libraries
|
|
LIB_PATH = $(SRC_DIR)/common/libsoc
|
|
# Link script to be used
|
|
LINK_SCRIPT = $(SRC_DIR)/common/bram.lds
|
LINK_SCRIPT = $(SRC_DIR)/common/bram.lds
|
|
|
#-- Configure the application --------------------------------------------------
|
#-- Configure the application --------------------------------------------------
|
|
|
# Simulation length in cycles; long enough to let the program run to completion.
|
# Simulation length in cycles; long enough to let the program run to completion.
|
SIM_LENGTH = 90000
|
SIM_LENGTH = 90000
|
|
|
# FPGA Block RAM parameters
|
# FPGA Block RAM parameters
|
BRAM_START = 0xbfc00000
|
BRAM_START = 0xbfc00000
|
CODE_BRAM_SIZE = 2048
|
CODE_BRAM_SIZE = 2048
|
# External RAM parameters (size in words)
|
# External RAM parameters (size in words)
|
XRAM_SIZE = 1024
|
XRAM_SIZE = 1024
|
XRAM_START = 0x00000000
|
XRAM_START = 0x00000000
|
|
|
|
|
# 1.- Put the code in internal BRAM and the data in external SRAM.
|
# 1.- Put the code in internal BRAM and the data in external SRAM.
|
# 2.- Do not use any of the standard libraries and use libsoc instead.
|
# 2.- Do not use any of the standard libraries and use libsoc instead.
|
|
|
LFLAGS = -T$(LINK_SCRIPT) -L $(LIB_PATH) \
|
LFLAGS = -T$(LINK_SCRIPT) -L $(LIB_PATH) \
|
-Ttext $(BRAM_START) -Tdata $(XRAM_START) \
|
-Ttext $(BRAM_START) -Tdata $(XRAM_START) \
|
-nodefaultlibs -nostdlib -ereset -I elf32-big
|
-nodefaultlibs -nostdlib -ereset -I elf32-big
|
CFLAGS = -O2 -Wall -c -s -fno-builtin -nodefaultlibs -nostdlib \
|
CFLAGS = -O2 -Wall -c -s -fno-builtin -nodefaultlibs -nostdlib \
|
-msoft-float -mips1 -G0
|
-msoft-float -mips1 -G0
|
AFLAGS = --defsym XRAM_BASE=$(XRAM_START)
|
AFLAGS = --defsym XRAM_BASE=$(XRAM_START)
|
|
|
|
|
OBJS = bootstrap.o opcode_emu.o c_startup.o hello.o
|
OBJS = bootstrap.o opcode_emu.o c_startup.o hello.o
|
|
|
|
|
#-- Targets & rules ------------------------------------------------------------
|
#-- Targets & rules ------------------------------------------------------------
|
|
|
hello: hello.code hello.data
|
hello: hello.code hello.data
|
@# This comment prevents use of implicit rule so our rules are used instead.
|
@# This comment prevents use of implicit rule so our rules are used instead.
|
@# This will save us a few harmless linker warnings.
|
@# This will save us a few harmless linker warnings.
|
|
|
hello.axf: $(OBJS)
|
hello.axf: $(OBJS)
|
$(LD) $(LFLAGS) -Map hello.map -s -N -o hello.axf $(OBJS) -lsoc
|
$(LD) $(LFLAGS) -Map hello.map -s -N -o hello.axf $(OBJS) -lsoc
|
-@$(DUMP) -m mips --disassemble hello.axf > hello.lst
|
-@$(DUMP) -m mips --disassemble hello.axf > hello.lst
|
|
|
hello.code: hello.axf
|
hello.code: hello.axf
|
# Extract object code to be placed in code space
|
# Extract object code to be placed in code space
|
$(COPY) -I elf32-big -O binary hello.axf hello.code
|
$(COPY) -I elf32-big -O binary hello.axf hello.code
|
|
|
hello.data: hello.axf
|
hello.data: hello.axf
|
# Extract object code to be placed in data space
|
# Extract object code to be placed in data space
|
$(COPY) -I elf32-big -j.data -j.bss -O binary hello.axf hello.data
|
$(COPY) -I elf32-big -j.data -j.bss -O binary hello.axf hello.data
|
|
|
|
|
|
|
bootstrap.o: $(SRC_DIR)/common/bootstrap.s
|
bootstrap.o: $(SRC_DIR)/common/bootstrap.s
|
$(AS) $(AFLAGS) -o bootstrap.o $(SRC_DIR)/common/bootstrap.s
|
$(AS) $(AFLAGS) -o bootstrap.o $(SRC_DIR)/common/bootstrap.s
|
|
|
c_startup.o: $(SRC_DIR)/common/c_startup.s
|
c_startup.o: $(SRC_DIR)/common/c_startup.s
|
$(AS) $(AFLAGS) -o c_startup.o $(SRC_DIR)/common/c_startup.s
|
$(AS) $(AFLAGS) -o c_startup.o $(SRC_DIR)/common/c_startup.s
|
|
|
opcode_emu.o: $(SRC_DIR)/common/opcode_emu.s
|
opcode_emu.o: $(SRC_DIR)/common/opcode_emu.s
|
$(AS) $(AFLAGS) -o opcode_emu.o $(SRC_DIR)/common/opcode_emu.s
|
$(AS) $(AFLAGS) -o opcode_emu.o $(SRC_DIR)/common/opcode_emu.s
|
|
|
hello.o: hello.c
|
hello.o: hello.c
|
$(CC) $(CFLAGS) -o hello.o hello.c
|
$(CC) $(CFLAGS) -o hello.o hello.c
|
|
|
|
|
|
|
#-- Targets that build the synthesizable vhdl; meant for direct invocation -----
|
#-- Targets that build the synthesizable vhdl; meant for direct invocation -----
|
|
|
#-- Create VHDL file for simulation test bench using TB2 template
|
#-- Create VHDL file for simulation test bench using TB2 template
|
sim: hello
|
sim: hello
|
$(TO_VHDL) --code hello.code --data hello.data \
|
$(TO_VHDL) --code hello.code --data hello.data \
|
--code_size $(CODE_BRAM_SIZE) --data_size $(XRAM_SIZE) \
|
--code_size $(CODE_BRAM_SIZE) --data_size $(XRAM_SIZE) \
|
--log_trigger=0xbfc00000 \
|
--log_trigger=0xbfc00000 \
|
-s $(SIM_LENGTH) -v $(SRC_DIR)\\mips_tb2_template.vhdl \
|
-s $(SIM_LENGTH) -v $(SRC_DIR)\\mips_tb2_template.vhdl \
|
-o $(TB_DIR)\\mips_tb2.vhdl -e mips_tb2
|
-o $(TB_DIR)\\mips_tb2.vhdl -e mips_tb2
|
|
|
#-- Create VHDL file for simulation test bench using TB0 template
|
#-- Create VHDL file for simulation test bench using TB0 template
|
sim_bram: hello
|
sim_bram: hello
|
$(TO_VHDL) --code hello.code --data hello.data \
|
$(TO_VHDL) --code hello.code --data hello.data \
|
--code_size $(CODE_BRAM_SIZE) --data_size $(XRAM_SIZE) \
|
--code_size $(CODE_BRAM_SIZE) --data_size $(XRAM_SIZE) \
|
-s $(SIM_LENGTH) -v $(SRC_DIR)\\mips_tb0_template.vhdl \
|
-s $(SIM_LENGTH) -v $(SRC_DIR)\\mips_tb0_template.vhdl \
|
-o $(TB_DIR)\\mips_tb2.vhdl -e mips_tb2
|
-o $(TB_DIR)\\mips_tb2.vhdl -e mips_tb2
|
|
|
#-- Create VHDL file for hardware demo
|
#-- Create VHDL file for hardware demo
|
demo: hello
|
demo: hello
|
$(TO_VHDL) --code hello.code --data hello.data \
|
$(TO_VHDL) --code hello.code --data hello.data \
|
--code_size $(CODE_BRAM_SIZE) --data_size $(XRAM_SIZE) \
|
--code_size $(CODE_BRAM_SIZE) --data_size $(XRAM_SIZE) \
|
-v $(SRC_DIR)/mips_mpu1_template.vhdl \
|
-v $(SRC_DIR)/mips_mpu1_template.vhdl \
|
-o $(DEMO_DIR)/mips_mpu.vhdl -e mips_mpu
|
-o $(DEMO_DIR)/mips_mpu.vhdl -e mips_mpu
|
|
|
|
|
#-- And now the usual housekeeping stuff ---------------------------------------
|
#-- And now the usual housekeeping stuff ---------------------------------------
|
|
|
.PHONY: clean
|
.PHONY: clean
|
|
|
clean:
|
clean:
|
-$(RM) *.o *.obj *.map *.lst *.hex *.exe *.axf *.code *.data *.bin
|
-$(RM) *.o *.obj *.map *.lst *.hex *.exe *.axf *.code *.data *.bin
|
|
|
