Add basic build scripts

.envrc

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+module load ./Modulefile

Modulefile

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+#%Module######################################################################
+##
+##      Project Module
+##
+proc ModulesHelp { } {
+  puts stderr "\tThe TGC-HAMMER Project Module\n"
+  puts stderr "\tThis module loads PATHs and variables for Longnail and SCAIE-V."
+}
+
+prereq tools/sdkman/java
+prereq tools/sdkman/mvn
+prereq tools/cmake
+prereq tools/python

README.md

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+# TGC Hammer
+
+This is TGC-Hammer, the HLS flow for custom ISA-Extensions.

scripts/build_longnail.sh

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+#!/bin/bash
+
+pushd deps/longnail
+
+git submodule update --init --recursive --depth 1
+OR_TOOLS_VER="9.11" ./build_deps.sh
+./build_circt.sh
+./build_longnail.sh
+
+popd

scripts/build_scaie-v.sh

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+#!/bin/bash
+
+pushd deps/scaie-v
+
+mvn package
+
+popd

scripts/build_treenail.sh

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+#!/bin/bash
+
+pushd deps/treenail
+
+git submodule update --init
+./gradlew build
+./gradlew install
+
+popd