Subversion Repositories openrisc

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#### Common software makefile for inclusion by others             ####

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#### Copyright (C) 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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DESIGN_NAME=orpsoc

OR32_TOOL_PREFIX=or32-elf-

OR32_LD=$(OR32_TOOL_PREFIX)ld

OR32_AS=$(OR32_TOOL_PREFIX)as

OR32_CC=$(OR32_TOOL_PREFIX)gcc

OR32_AR=$(OR32_TOOL_PREFIX)ar

OR32_RANLIB=$(OR32_TOOL_PREFIX)ranlib

OR32_OBJDUMP=$(OR32_TOOL_PREFIX)objdump

OR32_OBJCOPY=$(OR32_TOOL_PREFIX)objcopy

# SW_ROOT should be set by whatever is running this

# Special case for CPU drivers

CPU_DRIVER ?=$(SW_ROOT)/drivers/or1200

# Rest of drivers, check if we have any that we should use board-specific

# versions of.

# Expecting BOARD_SPECIFIC_DRIVERS and BOARD_PATH to be set

COMMON_SW_DRIVERS=$(shell ls $(SW_ROOT)/drivers )

COMMON_SW_DRIVERS_EXCLUDE_BOARD_DRIVERS_CMD=$(shell for driver in $(BOARD_SPECIFIC_DRIVERS); do echo -n "grep -v $$driver"; done)

COMMON_SW_DRIVERS_WITHOUT_BOARD_DRIVERS=$(shell echo $(COMMON_SW_DRIVERS) $(COMMON_SW_DRIVERS_EXCLUDE_BOARD_DRIVERS_CMD))

# Add paths to the common drivers

SW_DRIVER_PATHS=$(shell for driver in $(COMMON_SW_DRIVERS_WITHOUT_BOARD_DRIVERS); do echo $(SW_ROOT)/drivers/$$driver; done)

# If anything in BOARD_SPECIFIC_DRIVERS, add it to SW_DRIVER_PATHS

# It's expected BOARD_PATH points to the board's path and the heirarchy of

# sw/drivers exists

SW_DRIVER_PATHS += $(shell for driver in $(BOARD_SPECIFIC_DRIVERS); do echo $(BOARD_PATH)/sw/drivers/$$driver; done)

# Now assemble all of the include paths for the drivers, prefix with -I for GCC

DRIVER_INCLUDE_PATHS=$(shell for driverpath in $(SW_DRIVER_PATHS); do echo "-I$$driverpath/include"; done)

# If BOARD_PATH isn't set, then we're not compiling for a board, so use the

# generic board.h include path, otherwise, use that board's

ifeq ($(BOARD_PATH),)

DRIVER_INCLUDE_PATHS +=-I$(SW_ROOT)/board/include

else

DRIVER_INCLUDE_PATHS +=-I$(BOARD_PATH)/sw/board/include

endif

VECTORS_OBJ ?=$(CPU_DRIVER)/crt0.o

ORPSOC_LIB ?=$(SW_ROOT)/lib/liborpsoc.a

SUPPORT_LIBS ?=$(ORPSOC_LIB)

# All driver compilations will generate an object file of this name to be

# included into the liborpsoc library

DRIVER_OBJ=compiled.o

# Machine flags - uncomment one or create custom combination of flags

# All software div, mul and FPU

#MACH_FLAGS ?=-msoft-mul -msoft-div -msoft-float

# FPGA default - only hardware multiply

#MACH_FLAGS ?=-mhard-mul -msoft-div -msoft-float

# All hardware flags

#MARCH_FLAGS ?=-mhard-mul -mhard-div -mhard-float

# Hardware integer arith, soft float

MARCH_FLAGS ?=-mhard-mul -mhard-div -msoft-float

OR32_CFLAGS ?=-g -nostdlib -O2 $(MARCH_FLAGS) \

                $(DRIVER_INCLUDE_PATHS) \

                -I$(SW_ROOT)/lib/include

OR32_LDFLAGS ?=-lgcc -T$(CPU_DRIVER)/link.ld -e 256

OR32_ARFLAGS ?=-r

# RTL_VERILOG_INCLUDE_DIR *MUST* be set!

# Backup one - default, but may be wrong!

RTL_VERILOG_INCLUDE_DIR ?= $(SW_ROOT)/../rtl/verilog/include

DESIGN_VERILOG_DEFINES=$(RTL_VERILOG_INCLUDE_DIR)/$(DESIGN_NAME)-defines.v

DESIGN_PROCESSED_VERILOG_DEFINES=$(SW_ROOT)/lib/include/$(DESIGN_NAME)-defines.h

OR1200_VERILOG_DEFINES=$(RTL_VERILOG_INCLUDE_DIR)/or1200_defines.v

OR1200_PROCESSED_VERILOG_DEFINES=$(SW_ROOT)/lib/include/or1200-defines.h

PROCESSED_DEFINES=$(DESIGN_PROCESSED_VERILOG_DEFINES) $(OR1200_PROCESSED_VERILOG_DEFINES)

ELF_DEPENDS+= $(SUPPORT_LIBS)

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

# mainly for debugging purposes.

ifeq ($(V), 1)

Q=

else

Q ?=@

endif

# Our local utilities

UTILS_BIN2HEX=$(SW_ROOT)/utils/bin2hex

$(UTILS_BIN2HEX):

        $(Q)$(MAKE) -C $(SW_ROOT)/utils bin2hex

UTILS_BIN2VMEM=$(SW_ROOT)/utils/bin2vmem

$(UTILS_BIN2VMEM):

        $(Q)$(MAKE) -C $(SW_ROOT)/utils bin2vmem

# Rule to generate C header file from Verilog file with `defines in it

$(DESIGN_PROCESSED_VERILOG_DEFINES): $(DESIGN_VERILOG_DEFINES)

        $(Q)echo; echo "\t### Creating software defines header from verilog defines ###";

        $(Q)echo "//This file is autogenerated from "$<" do not change!" > $@

        $(Q)echo "#ifndef _"$(DESIGN_NAME)"_DEFINES_H_" >> $@

        $(Q)echo "#define _"$(DESIGN_NAME)"_DEFINES_H_" >> $@

        $(Q)cat $< | sed s://.*::g | sed 's/'\`'/'#'/g' >> $@

        $(Q)echo "#endif" >> $@

        $(Q)echo; echo >> $@

# This works (doesn't error), but for now we have to remove all of the numbers

# in verilog format, eg. 8'b0010_0000 or 32'h0000_0f00, or 32'd256 etc. as it's

# not so straight forward to convert these

$(OR1200_PROCESSED_VERILOG_DEFINES): $(OR1200_VERILOG_DEFINES)

        $(Q)echo; echo "\t### Creating OR1200 software defines header from verilog defines ###";

        $(Q)echo "//This file is autogenerated from "$<" do not change!" > $@

        $(Q)echo "#ifndef _OR1200_DEFINES_H_" >> $@

        $(Q)echo "#define _OR1200_DEFINES_H_" >> $@

        $(Q)cat $< | sed s://.*::g | grep -v \'[dhb] | sed 's/'\`'/'#'/g' >> $@

        $(Q)echo "#endif" >> $@

        $(Q)echo; echo >> $@

# Default make

%.flashin: %.bin $(UTILS_BIN2HEX)

        $(Q)$(UTILS_BIN2HEX) $< 1  -size_word > $@

%.vmem: %.bin $(UTILS_BIN2VMEM)

        $(Q)$(UTILS_BIN2VMEM) $< > $@

%.elf: %.c $(ELF_DEPENDS) $(VECTORS_OBJ)

        $(Q)$(OR32_CC) $^ $(OR32_CFLAGS) $(OR32_LDFLAGS) -o $@

%.elf: %.S $(ELF_DEPENDS)

        $(Q)$(OR32_CC) $^ $(OR32_CFLAGS) $(OR32_LDFLAGS) -o $@

%.o: %.S

        $(Q)$(OR32_CC) $(OR32_CFLAGS) -c $< -o $@

%.o: %.c

        $(Q)$(OR32_CC) $(OR32_CFLAGS) -c $< -o $@

COMPILE_SRCS_BASENAMES=$(basename $(COMPILE_SRCS))

COMPILE_OBJS=$(COMPILE_SRCS_BASENAMES:%=%.o)

$(DRIVER_OBJ): $(COMPILE_OBJS)

        $(Q)$(OR32_LD) $(OR32_ARFLAGS) $^ -o $@

# Rule to make all necessary driver objects

$(ORPSOC_LIB): $(PROCESSED_DEFINES)

        $(Q)echo; echo "\t### Building software support library ###"; echo

        $(Q)$(MAKE) -C $(SW_ROOT)/lib liborpsoc.a

$(VECTORS_OBJ):

        $(Q)$(MAKE) -C $(CPU_DRIVER) crt0.o

# This relies on the local clean rule of each makefile

clean-all: distclean

clean-support:

        $(Q)$(MAKE) -C ../support clean

# List of software directories, exclude include/

SWDIRS=$(shell ls ../ | grep -v include)

distclean:

        $(Q)for dir in $(SWDIRS); do if [ -d ../$$dir ]; then $(MAKE) -C ../$$dir clean; fi; done

        $(Q)for dir in $(SW_DRIVER_PATHS); do $(MAKE) -C $$dir clean; done

        $(Q)rm -f $(PROCESSED_DEFINES)