diff --git a/envsetup.sh b/envsetup.sh
index 8f311b6..2da629d 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -122,6 +122,8 @@
             ;;
         arm) toolchaindir=arm/arm-linux-androideabi-4.6/bin
             ;;
+        mips) toolchaindir=mips/mipsel-linux-android-4.6/bin
+            ;;
         *)
             echo "Can't find toolchain for unknown architecture: $ARCH"
             toolchaindir=xxxxxxxxx
@@ -140,6 +142,8 @@
                  ARM_EABI_TOOLCHAIN_PATH=":$gccprebuiltdir/$toolchaindir"
             fi
             ;;
+        mips) toolchaindir=mips/mips-eabi-4.4.3/bin
+            ;;
         *)
             # No need to set ARM_EABI_TOOLCHAIN for other ARCHs
             ;;
@@ -203,13 +207,14 @@
 function settitle()
 {
     if [ "$STAY_OFF_MY_LAWN" = "" ]; then
+        local arch=$(gettargetarch)
         local product=$TARGET_PRODUCT
         local variant=$TARGET_BUILD_VARIANT
         local apps=$TARGET_BUILD_APPS
         if [ -z "$apps" ]; then
-            export PROMPT_COMMAND="echo -ne \"\033]0;[${product}-${variant}] ${USER}@${HOSTNAME}: ${PWD}\007\""
+            export PROMPT_COMMAND="echo -ne \"\033]0;[${arch}-${product}-${variant}] ${USER}@${HOSTNAME}: ${PWD}\007\""
         else
-            export PROMPT_COMMAND="echo -ne \"\033]0;[$apps $variant] ${USER}@${HOSTNAME}: ${PWD}\007\""
+            export PROMPT_COMMAND="echo -ne \"\033]0;[$arch $apps $variant] ${USER}@${HOSTNAME}: ${PWD}\007\""
         fi
     fi
 }
@@ -416,6 +421,7 @@
 add_lunch_combo full-eng
 add_lunch_combo full_x86-eng
 add_lunch_combo vbox_x86-eng
+add_lunch_combo full_mips-eng
 
 function print_lunch_menu()
 {
@@ -738,6 +744,7 @@
    case "$ARCH" in
        x86) GDB=i686-linux-android-gdb;;
        arm) GDB=arm-linux-androideabi-gdb;;
+       mips) GDB=mipsel-linux-android-gdb;;
        *) echo "Unknown arch $ARCH"; return 1;;
    esac
 
@@ -804,6 +811,11 @@
         ;;
 esac
 
+function gettargetarch
+{
+    get_build_var TARGET_ARCH
+}
+
 function jgrep()
 {
     find . -name .repo -prune -o -name .git -prune -o  -type f -name "*\.java" -print0 | xargs -0 grep --color -n "$@"
@@ -859,7 +871,8 @@
         return
     fi
     local prebuiltdir=$(getprebuilt)
-    local KERNEL=$T/prebuilt/android-arm/kernel/vmlinux-qemu
+    local arch=$(gettargetarch)
+    local KERNEL=$T/prebuilts/qemu-kernel/$arch/vmlinux-qemu
 
     local TRACE=$1
     if [ ! "$TRACE" ] ; then