[lib][heap] Add Cmpctmalloc as an alternative malloc implementation

From scratch simple binning heap. Complexity wise in the middle
between miniheap and dlmalloc. Generally much faster than miniheap
with a small amount of memory overhead. Performs similarly to
dlmalloc.

scripts/do-qemuarm

@@ -3,11 +3,13 @@
 function HELP {
     echo "help:"
     echo "-b a virtio block device"
+    echo "-c cmpctmalloc instead of dlmalloc"
+    echo "-M miniheap instead of dlmalloc"
     echo "-n a virtio network device"
     echo "-t a virtio tap network device"
     echo "-d a virtio display"
     echo "-6 64bit arm"
-    echo "-m <memory in MB>"
+    echo "-M <memory in MB>"
     echo "-h for help"
     echo "all arguments after -- are passed to qemu directly"
     exit 1
@@ -18,17 +20,20 @@ DO_NET_TAP=0
 DO_BLOCK=0
 DO_64BIT=0
 DO_DISPLAY=0
+DO_CMPCTMALLOC=0
+DO_MINIHEAP=0
 MEMSIZE=512
 SUDO=""
 
-while getopts bdhm:nt6 FLAG; do
+while getopts bdhm:cMnt6 FLAG; do
     case $FLAG in
         b) DO_BLOCK=1;;
+        c) DO_CMPCTMALLOC=1;;
         d) DO_DISPLAY=1;;
+        M) DO_MINIHEAP=1;;
         n) DO_NET=1;;
         t) DO_NET_TAP=1;;
         6) DO_64BIT=1;;
-        6) DO_MEM=1;;
         m) MEMSIZE=$OPTARG;;
         h) HELP;;
         \?)
@@ -73,6 +78,14 @@ else
     ARGS+=$NO_DISPLAY_ARGS
 fi
 
-make $PROJECT -j4 &&
+MAKE_VARS=""
+
+if [ $DO_CMPCTMALLOC == 1 ]; then
+	MAKE_VARS=LK_HEAP_IMPLEMENTATION=cmpctmalloc
+elif [ $DO_MINIHEAP == 1 ]; then
+	MAKE_VARS=LK_HEAP_IMPLEMENTATION=miniheap
+fi
+
+make $MAKE_VARS $PROJECT -j4 &&
 echo $SUDO $QEMU $ARGS $@ &&
 $SUDO $QEMU $ARGS $@