# Localize all the relative path awfulness in one variable.

CORE_TREE	:= $(abspath ../../..)

# Figure out what the native word size is on the build host, because
# the XiLinx tools care for some reason.

WORD_SIZE	:= $(shell python -c 'from struct import pack; print len(pack("L", 0)) * 8')

# Parameters to xilinx.mk.

project		?= alpha_fmc
vendor		= xilinx
family		= artix7
part		= xc7a200tfbg484-1
top_module	= alpha_fmc_top
isedir		= /opt/Xilinx/14.7/ISE_DS
xil_env		= . $(isedir)/settings$(WORD_SIZE).sh
ucf		?= ../ucf/$(project).ucf

# Verilog include directories, if needed

vlgincdir	= \
	$(CORE_TREE)/lib/lowlevel \
	$(CORE_TREE)/math/ecdsalib/rtl/microcode \
	$(CORE_TREE)/lib/util

all:	$(project).bit

# Build the default core_selector if it doesn't already exist.

CONFIG          = $(CORE_TREE)/platform/common/config
CONFIG_BOARD	= alpha
CONFIG_PROJECT	= hsm
CONFIG_GEN      = $(CONFIG)/core_config.py -c $(CONFIG)/core.cfg -b $(CONFIG_BOARD)

core_selector.v core_vfiles.mk:
	$(CONFIG_GEN) -p $(CONFIG_PROJECT)

# Build some different configurations

bare trng hash rsa hsm:
	$(CONFIG_GEN) -p $@
	$(MAKE) project=$(project)_$@ ucf=$(ucf)

# Verilog files that always go with builds on this platform.

vfiles = \
	$(CORE_TREE)/platform/alpha/rtl/alpha_fmc_top.v \
	$(CORE_TREE)/platform/alpha/rtl/alpha_regs.v \
	$(CORE_TREE)/platform/alpha/rtl/alpha_clkmgr.v \
	$(CORE_TREE)/platform/alpha/rtl/clkmgr_mmcm.v \
	$(CORE_TREE)/platform/alpha/rtl/clkmgr_mmcm_ctrl.v \
	./core_selector.v \
	$(CORE_TREE)/platform/alpha/rtl/clkmgr_reset_gen.v \
	$(CORE_TREE)/platform/common/extra/reset_replicator.v \
	$(CORE_TREE)/comm/fmc/src/rtl/fmc_arbiter.v \
	$(CORE_TREE)/comm/fmc/src/rtl/fmc_d_phy.v \
	$(CORE_TREE)/comm/fmc/src/rtl/fmc_indicator.v \
	$(CORE_TREE)/comm/fmc/src/rtl/fmc_regs.v

# Verilog files selected by the core configuration script.

-include ./core_vfiles.mk

include xilinx.mk

# 'clean' target collects files by project name, and we just broke that
# by adding configurations

junk += *.bgn *.bit *.bld *.cfi *.drc *.lso *.map *.mcs *.mrp *.ncd *.ngc \
	*.ngd *.ngm *.pcf *.post_map.twr *.post_map.twx *.prj *.prm *.psr \
	*.scr *.srp *.twr *.twx *_bd.bmm *_bitgen.xwb *_bitgen.xwbt \
	*_err.twr *_err.twx *_par.grf *_par.ncd *_par.pad *_par.par \
	*_par.ptwx *_par.unroutes *_par.xpi *_par_pad.csv *_par_pad.txt \
	*_summary.xml *_usage.xml

distclean: clean
	rm core_selector.v core_vfiles.mk

# Fun extras for running verilator as a linter.

VERILATOR_FLAGS	= --lint-only --top-module $(top_module) -Wall -Wno-fatal -Wno-DECLFILENAME

lint:
	verilator ${VERILATOR_FLAGS} $(vfiles) $(CORE_TREE)/platform/alpha/rtl/lint-dummy.v