ready for ics2018

.gitignore

+*.*
+*
+!*/
+!Makefile
+!README.md
+!.gitignore
+!init.sh

Makefile

+include nemu/Makefile.git
+
+default:
+	@echo "Please run 'make' under any subprojects to compile."
+ 
+clean:
+	-$(MAKE) -C nemu clean
+	-$(MAKE) -C nexus-am clean
+	-$(MAKE) -C nanos-lite clean
+	-$(MAKE) -C navy-apps clean
+
+submit: clean
+	git gc
+	STUID=$(STUID) STUNAME=$(STUNAME) bash -c "$$(curl -s http://moon.nju.edu.cn/people/yyjiang/teach/submit.sh)"
+
+.PHONY: default clean submit

README.md

+# ICS2018 Programming Assignment
+
+This project is the programming assignment of the class ICS(Introduction to Computer System) in Department of Computer Science and Technology, Nanjing University.
+
+For the guide of this programming assignment,
+refer to http://nju-ics.gitbooks.io/ics2018-programming-assignment/content/
+
+To initialize, run
+```bash
+bash init.sh
+```
+
+The following subprojects/components are included. Some of them are not fully implemented.
+* [NEMU](https://github.com/NJU-ProjectN/nemu)
+* [Nexus-am](https://github.com/NJU-ProjectN/nexus-am)
+* [Nanos-lite](https://github.com/NJU-ProjectN/nanos-lite)
+* [Navy-apps](https://github.com/NJU-ProjectN/navy-apps)

init.sh

+#!/bin/bash
+
+version=ics2018
+
+log=""
+
+function init() {
+  if [ -d $1 ]; then
+    echo "$1 is already initialized, exiting..."
+    return
+  fi
+
+  while [ ! -d $1 ]; do
+    git clone -b $version https://github.com/NJU-ProjectN/$1.git
+  done
+  log="$log$1 `cd $1 && git log --oneline --no-abbrev-commit -n1`"$'\n'
+  rm -rf $1/.git
+
+  if [ $2 ] ; then
+    sed -i -e "/^export $2=.*/d" ~/.bashrc
+    echo "export $2=`readlink -e $1`" >> ~/.bashrc
+  fi
+}
+
+read -r -p "Are you sure to initialize everything? [y/n] " input
+case $input in
+  [yY])
+    init nemu NEMU_HOME
+    init nexus-am AM_HOME
+    init nanos-lite
+    init navy-apps NAVY_HOME
+    source ~/.bashrc
+
+    git add -A
+    git commit -am "$version initialized"$'\n\n'"$log"
+
+    echo "Initialization finishes!"
+    echo "By default this script will add enviornment variables into ~/.bashrc."
+    echo "If you use shell other than bash, please add these enviornment variables manually."
+    ;;
+
+  [nN])
+    ;;
+
+  *)
+    echo "Invalid input..."
+    ;;
+esac