.

t/qemu-runlinux

@@ -27,23 +27,29 @@ if [ $$ == 1 ]; then
 	mount -t debugfs    none /sys/kernel/debug
 	#mount -t bpf        none /sys/fs/bpf
 	mount -t proc       none /proc
+
+	mount -t devtmpfs   none /dev
+	mkdir /dev/{pts,mqueue,hugepages,shm}
 	mount -t devpts     none /dev/pts
 	mount -t mqueue     none /dev/mqueue
 	mount -t hugetlbfs  none /dev/hugepages
+	mount -t tmpfs      none /dev/shm
 	# XXX securityfs
-	# XXX udev?
 
-	mount -t tmpfs  none /dev/shm
 	mount -t tmpfs	none /run
 	mkdir /run/lock
 	mount -t tmpfs	none /run/lock
 	mount -t tmpfs	none /tmp
 
-	qrun=`grep -o 'QRUN=.*$' /proc/cmdline` || qdie "QRUN=?"
-	qrun=${qrun#QRUN=}	# QRUN=prog -> prog
-	test -n "$qrun" || qdie "QRUN empty"
+	# XXX source bashrc ?
+	# FIXME "/dev/tty: No such device or address"
+
+	test -n "$QDIR" || qdie "QDIR=?"
+	cd "$QDIR"
+
+	test -n "$QRUN" || qdie "QRUN=?"
 	set +e
-	$qrun
+	$QRUN
 	echo "exit code: $?"
 
 	qshutdown
@@ -57,6 +63,7 @@ test -z "$kernel" && kernel=arch/$arch/boot/bzImage
 shift
 prog="$@"
 
+dir=`pwd`
 
 # may be also useful:
 #   -serial  stdio
@@ -79,12 +86,17 @@ prog="$@"
 qemu-system-$arch   \
     -enable-kvm \
     -nographic	\
+ \
+    -m 512M `# default 128M is too limiting` \
  \
     -fsdev  local,id=R,path=/,security_model=none,readonly  \
     -device virtio-9p-pci,fsdev=R,mount_tag=/dev/root   \
  \
     -kernel $kernel \
-    -append "ro rootfstype=9p rootflags=trans=virtio  console=ttyS0 init=$(realpath $0) QRUN=$prog"
+    -append "ro rootfstype=9p rootflags=trans=virtio \
+console=ttyS0 init=$(realpath $0) QDIR=$dir QRUN=$prog \
+HOME="$HOME" LANG="$LANG" TERM="$TERM" PATH="$PATH" \
+"
 
 
 # \