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####  ORPSoC Xilinx backend Makefile                              ####

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####  Author(s):                                                  ####

####      - Julius Baxter, julius@opencores.org                   ####

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####                                                              ####

#### Copyright (C) 2009,2010 Authors and OPENCORES.ORG            ####

####                                                              ####

#### This source file may be used and distributed without         ####

#### restriction provided that this copyright statement is not    ####

#### removed from the file and that any derivative work contains  ####

#### the original copyright notice and the associated disclaimer. ####

####                                                              ####

#### This source file is free software; you can redistribute it   ####

#### and/or modify it under the terms of the GNU Lesser General   ####

#### Public License as published by the Free Software Foundation; ####

#### either version 2.1 of the License, or (at your option) any   ####

#### later version.                                               ####

####                                                              ####

#### This source is distributed in the hope that it will be       ####

#### useful, but WITHOUT ANY WARRANTY; without even the implied   ####

#### warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ####

#### PURPOSE.  See the GNU Lesser General Public License for more ####

#### details.                                                     ####

####                                                              ####

#### You should have received a copy of the GNU Lesser General    ####

#### Public License along with this source; if not, download it   ####

#### from http://www.opencores.org/lgpl.shtml                     ####

####                                                              ####

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# Name of the directory we're currently in

CUR_DIR=$(shell pwd)

# The root path of the board build

BOARD_DIR ?=$(CUR_DIR)/../../..

PROJECT_ROOT=$(BOARD_DIR)/../../..

SYN_DIR=$(BOARD_DIR)/syn/xst

SYN_RUN_DIR=$(SYN_DIR)/run

BOARD_BACKEND_DIR=$(BOARD_DIR)/backend/bin

DESIGN_NAME=orpsoc

BOARD_NAME=ml501

# Set V=1 when calling make to enable verbose output

# mainly for debugging purposes.

ifeq ($(V), 1)

Q=

else

Q ?=@

endif

BOARD_RTL_DIR=$(BOARD_DIR)/rtl

BOARD_RTL_VERILOG_DIR=$(BOARD_RTL_DIR)/verilog

# Only 1 include path for board builds - their own!

BOARD_RTL_VERILOG_INCLUDE_DIR=$(BOARD_RTL_VERILOG_DIR)/include

BOARD_DESIGN_VERILOG_DEFINES=$(BOARD_RTL_VERILOG_INCLUDE_DIR)/$(DESIGN_NAME)-defines.v

DEFINES_FILE_CUTOFF=$(shell grep -n "end of included module defines" $(BOARD_DESIGN_VERILOG_DEFINES) | cut -d ':' -f 1)

DESIGN_DEFINES=$(shell cat $(BOARD_DESIGN_VERILOG_DEFINES) | sed s://.*::g | sed s:\`:\#:g | sed 's:^[ ]*::' | awk '{print};/^\#define/{printf "_%s=%s\n",$$2,$$2}' | grep -v PERIOD | cpp -P | sed s:^_::g | sed s:=$$::g )

# Rule to look at what defines are being extracted from main file

print-defines:

        @echo; echo "\t### Design defines ###"; echo

        @echo "\tParsing "$(BOARD_DESIGN_VERILOG_DEFINES)" and exporting:"

        @echo $(DESIGN_DEFINES)

# Backend tool path

# Check that the XILINX_PATH variable is set

ifeq ($(XILINX_PATH),)

$(error XILINX_PATH environment variable not set. Set it and rerun)

endif

XILINX_SETTINGS_SCRIPT=$(XILINX_PATH)/settings32.sh

XILINX_SETTINGS_SCRIPT_EXISTS=$(shell if [ -e $(XILINX_SETTINGS_SCRIPT) ]; then echo 1; else echo 0; fi)

ifeq ($(XILINX_SETTINGS_SCRIPT_EXISTS),0)

$(error XILINX_PATH variable not set correctly. Cannot find $$XILINX_PATH/settings32.sh)

endif

#

# Options for Xilinx PAR tools

#

FPGA_PART=xc5vlx50-ff676-1

XILINX_FLAGS=-intstyle silent

XILINX_MAP_FLAGS=-logic_opt off

XILINX_AREA_TARGET = speed

TIMING_REPORT_OPTIONS = -u 1000 -e 1000

SPI_FLASH_SIZE_KBYTES ?=2048

SPI_BOOTLOADER_SW_OFFSET_HEX ?=1c0000

print-config:

        $(Q)echo; echo "\t### Backend make configuration ###"; echo

        $(Q)echo "\tFPGA_PART="$(FPGA_PART)

        $(Q)echo "\tXILINX_FLAGS="$(XILINX_FLAGS)

        $(Q)echo "\tXILINX_MAP_FLAGS="$(XILINX_MAP_FLAGS)

        $(Q)echo "\tXILINX_AREA_TARGET="$(XILINX_AREA_TARGET)

        $(Q)echo "\tTIMING_REPORT_OPTIONS="$(TIMING_REPORT_OPTIONS)

        $(Q)echo "\tSPI_FLASH_SIZE_KBYTES="$(SPI_FLASH_SIZE_KBYTES)

        $(Q)echo "\tSPI_BOOTLOADER_SW_OFFSET_HEX="$(SPI_BOOTLOADER_SW_OFFSET_HEX)

NGC_FILE=$(SYN_RUN_DIR)/$(DESIGN_NAME).ngc

NGD_FILE=$(DESIGN_NAME).ngd

UCF_FILE=../bin/$(BOARD_NAME).ucf

MAPPED_NCD=$(DESIGN_NAME)_mapped.ncd

PARRED_NCD=$(DESIGN_NAME).ncd

PCF_FILE=$(DESIGN_NAME).pcf

BIT_FILE=$(DESIGN_NAME).bit

BIT_FILE_FOR_SPI=$(DESIGN_NAME)_spiboot.bit

BATCH_FILE=$(DESIGN_NAME).batch

MCS_FILE=$(DESIGN_NAME).mcs

$(NGC_FILE):

        $(Q)$(MAKE) -C $(SYN_RUN_DIR) $(DESIGN_NAME).ngc

$(NGD_FILE): $(UCF_FILE) $(NGC_FILE)

        @echo; echo "\t#### Running NGDBuild ####";

        $(Q)( . $(XILINX_SETTINGS_SCRIPT) && \

        ngdbuild -p $(FPGA_PART) -sd $(BOARD_BACKEND_DIR) -uc $(UCF_FILE) \

        $(NGC_FILE) $@ )

#This target uses Xilinx tools to perform Mapping

$(MAPPED_NCD): $(NGD_FILE)

        @echo; echo "\t#### Mapping ####";

        $(Q)( . $(XILINX_SETTINGS_SCRIPT) && \

        export XIL_MAP_NO_DSP_AUTOREG=1 && \

        export XIL_MAP_ALLOW_ANY_DLL_INPUT=1 && \

        map -p $(FPGA_PART) -detail -pr b -cm ${XILINX_AREA_TARGET} \

        -timing -ol high -w $(XILINX_FLAGS) -o $@ -xe n $(NGD_FILE) $(PCF_FILE))

#This target uses Xilinx tools to Place & Route the design

$(PARRED_NCD): $(MAPPED_NCD)

        @echo; echo "\t#### PAR'ing ####";

        $(Q)( . $(XILINX_SETTINGS_SCRIPT) && \

        par -w -pl high -rl high $(XILINX_FLAGS) $< $@ $(PCD_FILE) )

#This target uses Xilinx tools to generate a bitstream for download

$(BIT_FILE): $(PARRED_NCD)

        @echo; echo "\t#### Generating .bit file ####";

        $(Q)( . $(XILINX_SETTINGS_SCRIPT) && \

        bitgen -w $(XILINX_FLAGS) -g StartUpClk:JtagClk $< $@ )

$(BIT_FILE_FOR_SPI): $(PARRED_NCD)

        @echo; echo "\t#### Generating .bit file for SPI load ####";

        $(Q)( . $(XILINX_SETTINGS_SCRIPT) && \

        bitgen -w $(XILINX_FLAGS) -g StartUpClk:CClk $< $@ )

ifeq ($(BOOTLOADER_BIN),)

$(MCS_FILE): $(BIT_FILE_FOR_SPI)

        @echo; echo "\t#### Generating .mcs file for SPI load ####";

        $(Q)( . $(XILINX_SETTINGS_SCRIPT) && \

        promgen -spi -p mcs -o $@ -s $(SPI_FLASH_SIZE_KBYTES) -u 0 $< )

else

$(MCS_FILE): $(BIT_FILE_FOR_SPI)

        @echo; echo "\t#### Generating .mcs file for SPI load ####";

        $(Q)( . $(XILINX_SETTINGS_SCRIPT) && \

        promgen -spi -p mcs -o $@ -s $(SPI_FLASH_SIZE_KBYTES) -u 0 $< \

        -data_file up $(SPI_BOOTLOADER_SW_OFFSET_HEX) $(BOOTLOADER_BIN) \

         )

endif

#this target downloads the bitstream to the target fpga

download: $(BIT_FILE) $(BATCH_FILE)

        $(Q)( . ${XILINX_PATH}/settings32.sh && \

        impact -batch $(BATCH_FILE) )

#This target uses netgen to make a simulation netlist

netlist: $(PARRED_NCD)

        @echo; echo "\t#### Generating netlist ####";

        $(Q)(. $(XILINX_SETTINGS_SCRIPT) && \

        netgen -ofmt verilog -sim -dir netlist -pcf $(PCF_FILE) $<)

#This one uses TRCE to make a timing report

timingreport: $(PARRED_NCD)

        @echo; echo "\t#### Generating timing report ####";

        $(Q)(. $(XILINX_SETTINGS_SCRIPT) && \

        trce $(TIMING_REPORT_OPTIONS) $< )

clean:

        $(Q)rm -rf *.*

clean-syn:

        $(Q)$(MAKE) -C $(SYN_RUN_DIR) clean-all

clean-all: clean-syn clean

.PRECIOUS : $(PARRED_NCD) $(MAPPED_NCD) $(NGC_FILE) $(NGD_FILE) $(BIT_FILE) $(BIT_FILE_FOR_SPI)