Switch to using git submodules for Verilator and the compiler

.gitignore

@@ -1,5 +1,4 @@
 .DS_Store
-*.traceconfig
 *.vcd
 *.pyc
 *.lst
@@ -10,12 +9,11 @@
 *.d
 *.a
 *.bin
-doom1.wad
-pak0.pak
+*.WAD
+*.pak
 statetrace.txt
 a.out
 output.png
-diff.png
 repak
 
 CLASSDIR
@@ -25,7 +23,3 @@ hardware/fpga/de2-115/db/
 hardware/fpga/de2-115/incremental_db/
 hardware/fpga/de2-115/output_files/
 
-tools/NyuziToolchain
-tools/verilator
-
-

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "tools/verilator"]
+	path = tools/verilator
+	url = http://git.veripool.org/git/verilator
+[submodule "tools/NyuziToolchain"]
+	path = tools/NyuziToolchain
+	url = https://github.com/jbush001/NyuziToolchain.git

.travis.yml

@@ -1,8 +1,15 @@
 sudo: required
 
+language: c
+
 services:
 - docker
 
+# Don't download the compiler and Verilator (which aren't built here and
+# are large)
+git:
+  submodules: false
+
 # Dockerfile is here: https://github.com/jbush001/NyuziBuildContainer
 before_install:
 - docker pull jeffbush001/nyuzi-build	

README.md

@@ -9,10 +9,10 @@ includes an LLVM-based C++ toolchain, tests, and other tools. It is useful
 for microarchitecture experimentation, performance modeling, and parallel
 software development.
 
-**Documentation:** https://github.com/jbush001/NyuziProcessor/wiki    
-**Mailing list:** https://groups.google.com/forum/#!forum/nyuzi-processor-dev   
-**License:** Apache 2.0   
-**Blog:** http://latchup.blogspot.com/   
+**Documentation:** https://github.com/jbush001/NyuziProcessor/wiki<br/>
+**Mailing list:** https://groups.google.com/forum/#!forum/nyuzi-processor-dev<br/>
+**License:** Apache 2.0<br/>
+**Blog:** http://latchup.blogspot.com/<br/>
 
 # Getting Started
 

build/setup_tools.sh

@@ -15,11 +15,13 @@
 # limitations under the License.
 #
 
+git submodule init
+git submodule update
+
 #
-# Download and build the latest version of Verilator
+# Build Verilator
 #
 (
-git clone http://git.veripool.org/git/verilator tools/verilator
 cd tools/verilator
 git checkout -b verilator_3_880
 autoconf
@@ -29,9 +31,8 @@ sudo make install
 )
 
 #
-# Download and build the compiler
+# Build the compiler toolchain
 #
-git clone https://github.com/jbush001/NyuziToolchain.git tools/NyuziToolchain
 mkdir tools/NyuziToolchain/build
 cd tools/NyuziToolchain/build
 cmake ..