From a4737cc9305cbab9bb9c044fad48d75dff37568c Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@psgd.org>
Date: Wed, 18 Nov 2015 18:55:59 -0500
Subject: Move core_selector config script to core/platform/common, generate
 project-specific core_selectors in the build directories.

---
 i2c/build/.gitignore |  2 ++
 i2c/build/Makefile   | 47 +++++++++++++++++++++++++++++++++++++++++------
 2 files changed, 43 insertions(+), 6 deletions(-)

(limited to 'i2c/build')

diff --git a/i2c/build/.gitignore b/i2c/build/.gitignore
index 01d7e9c..2eb6775 100644
--- a/i2c/build/.gitignore
+++ b/i2c/build/.gitignore
@@ -50,3 +50,5 @@ usage_statistics_webtalk.html
 webtalk.log
 xlnx_auto*
 xst
+core_selector.v
+core_vfiles.mk
diff --git a/i2c/build/Makefile b/i2c/build/Makefile
index 441b67a..bc1bd14 100644
--- a/i2c/build/Makefile
+++ b/i2c/build/Makefile
@@ -9,14 +9,40 @@ WORD_SIZE	:= $(shell python -c 'from struct import pack; print len(pack("L", 0))
 
 # Parameters to xilinx.mk.
 
-project		= novena_eim
+project		?= novena_i2c
 vendor		= xilinx
 family		= spartan6
 part		= xc6slx45csg324-3
 top_module	= novena_top
 isedir		= /opt/Xilinx/14.7/ISE_DS
 xil_env		= . $(isedir)/settings$(WORD_SIZE).sh
-ucf		= ../ucf/$(project).ucf
+ucf		?= ../ucf/$(project).ucf
+
+all:	$(project).bit
+
+# Build the default core_selector if it doesn't already exist.
+
+CONFIG          = $(CORE_TREE)/platform/common/config
+core_selector.v core_vfiles.mk:
+	$(CONFIG)/config.py -c $(CONFIG)/config.cfg
+
+# Build some different configurations
+
+bare:
+	$(CONFIG)/config.py -c $(CONFIG)/config.cfg -s bare
+	$(MAKE) project=$(project)_bare ucf=$(ucf)
+
+trng:
+	$(CONFIG)/config.py -c $(CONFIG)/config.cfg -s trng
+	$(MAKE) project=$(project)_trng ucf=$(ucf)
+
+hash:
+	$(CONFIG)/config.py -c $(CONFIG)/config.cfg -s hash
+	$(MAKE) project=$(project)_hash ucf=$(ucf)
+
+rsa:
+	$(CONFIG)/config.py -c $(CONFIG)/config.cfg -s rsa
+	$(MAKE) project=$(project)_rsa ucf=$(ucf)
 
 # Verilog files that always go with builds on this platform.
 
@@ -25,20 +51,29 @@ vfiles = \
 	$(CORE_TREE)/platform/novena/common/rtl/novena_regs.v \
 	$(CORE_TREE)/platform/novena/common/rtl/novena_clkmgr.v \
 	$(CORE_TREE)/platform/novena/common/rtl/clkmgr_dcm.v \
-	$(CORE_TREE)/platform/novena/config/core_selector.v \
+	./core_selector.v \
 	$(CORE_TREE)/comm/i2c/src/rtl/i2c_regs.v \
 	$(CORE_TREE)/comm/i2c/src/rtl/i2c_core.v \
 	$(CORE_TREE)/comm/coretest/src/rtl/coretest.v
 
 # Verilog files selected by the core configuration script.
 
--include $(CORE_TREE)/platform/novena/config/core_vfiles.mk
+-include ./core_vfiles.mk
 
 include xilinx.mk
 
-# Fun extras for running verlator as a linter.
+# 'clean' target collects files by project name, and we just broke that
+
+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
+
+# Fun extras for running verilator as a linter.
 
-VERILATOR_FLAGS	= --lint-only --top-module novena_top -Wall -Wno-fatal -Wno-DECLFILENAME
+VERILATOR_FLAGS	= --lint-only --top-module $(top_module) -Wall -Wno-fatal -Wno-DECLFILENAME
 
 lint:
 	verilator ${VERILATOR_FLAGS} $(vfiles) $(CORE_TREE)/platform/novena/common/rtl/lint-dummy.v
-- 
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