diff --git a/toolbox/mount.c b/toolbox/mount.c
new file mode 100644
index 0000000..ef13e1f
--- /dev/null
+++ b/toolbox/mount.c
@@ -0,0 +1,273 @@
+/*
+ * mount.c, by rmk
+ */
+
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <linux/loop.h>
+
+#define ARRAY_SIZE(x)	(sizeof(x) / sizeof(x[0]))
+
+// FIXME - only one loop mount is supported at a time
+#define LOOP_DEVICE "/dev/block/loop0"
+
+struct mount_opts {
+	const char str[8];
+	unsigned long rwmask;
+	unsigned long rwset;
+	unsigned long rwnoset;
+};
+
+struct extra_opts {
+	char *str;
+	char *end;
+	int used_size;
+	int alloc_size;
+};
+
+/*
+ * These options define the function of "mount(2)".
+ */
+#define MS_TYPE	(MS_REMOUNT|MS_BIND|MS_MOVE)
+
+
+static const struct mount_opts options[] = {
+	/* name		mask		set		noset		*/
+	{ "async",	MS_SYNCHRONOUS,	0,		MS_SYNCHRONOUS	},
+	{ "atime",	MS_NOATIME,	0,		MS_NOATIME	},
+	{ "bind",	MS_TYPE,	MS_BIND,	0,		},
+	{ "dev",	MS_NODEV,	0,		MS_NODEV	},
+	{ "diratime",	MS_NODIRATIME,	0,		MS_NODIRATIME	},
+	{ "dirsync",	MS_DIRSYNC,	MS_DIRSYNC,	0		},
+	{ "exec",	MS_NOEXEC,	0,		MS_NOEXEC	},
+	{ "move",	MS_TYPE,	MS_MOVE,	0		},
+	{ "recurse",	MS_REC,		MS_REC,		0		},
+	{ "remount",	MS_TYPE,	MS_REMOUNT,	0		},
+	{ "ro",		MS_RDONLY,	MS_RDONLY,	0		},
+	{ "rw",		MS_RDONLY,	0,		MS_RDONLY	},
+	{ "suid",	MS_NOSUID,	0,		MS_NOSUID	},
+	{ "sync",	MS_SYNCHRONOUS,	MS_SYNCHRONOUS,	0		},
+	{ "verbose",	MS_VERBOSE,	MS_VERBOSE,	0		},
+};
+
+static void add_extra_option(struct extra_opts *extra, char *s)
+{
+	int len = strlen(s);
+	int newlen = extra->used_size + len;
+
+	if (extra->str)
+	       len++;			/* +1 for ',' */
+
+	if (newlen >= extra->alloc_size) {
+		char *new;
+
+		new = realloc(extra->str, newlen + 1);	/* +1 for NUL */
+		if (!new)
+			return;
+
+		extra->str = new;
+		extra->end = extra->str + extra->used_size;
+		extra->alloc_size = newlen;
+	}
+
+	if (extra->used_size) {
+		*extra->end = ',';
+		extra->end++;
+	}
+	strcpy(extra->end, s);
+	extra->used_size += len;
+
+}
+
+static unsigned long
+parse_mount_options(char *arg, unsigned long rwflag, struct extra_opts *extra, int* loop)
+{
+	char *s;
+    
+    *loop = 0;
+	while ((s = strsep(&arg, ",")) != NULL) {
+		char *opt = s;
+		unsigned int i;
+		int res, no = s[0] == 'n' && s[1] == 'o';
+
+		if (no)
+			s += 2;
+
+        if (strcmp(s, "loop") == 0) {
+            *loop = 1;
+            continue;
+        }
+		for (i = 0, res = 1; i < ARRAY_SIZE(options); i++) {
+			res = strcmp(s, options[i].str);
+
+			if (res == 0) {
+				rwflag &= ~options[i].rwmask;
+				if (no)
+					rwflag |= options[i].rwnoset;
+				else
+					rwflag |= options[i].rwset;
+			}
+			if (res <= 0)
+				break;
+		}
+
+		if (res != 0 && s[0])
+			add_extra_option(extra, opt);
+	}
+
+	return rwflag;
+}
+
+static char *progname;
+
+static struct extra_opts extra;
+static unsigned long rwflag;
+
+static int
+do_mount(char *dev, char *dir, char *type, unsigned long rwflag, void *data, int loop)
+{
+	char *s;
+	int error = 0;
+
+    if (loop) {
+        int file_fd, device_fd;
+        
+        // FIXME - only one loop mount supported at a time
+        file_fd = open(dev, O_RDWR);
+        if (file_fd < -1) {
+            perror("open backing file failed");
+            return 1;
+        }
+        device_fd = open(LOOP_DEVICE, O_RDWR);
+        if (device_fd < -1) {
+            perror("open loop device failed");
+            close(file_fd);
+            return 1;
+        }
+        if (ioctl(device_fd, LOOP_SET_FD, file_fd) < 0) {
+            perror("ioctl LOOP_SET_FD failed");
+            close(file_fd);
+            close(device_fd);
+            return 1;
+        }
+
+        close(file_fd);
+        close(device_fd);
+        dev = LOOP_DEVICE;
+    }
+
+	while ((s = strsep(&type, ",")) != NULL) {
+retry:
+		if (mount(dev, dir, s, rwflag, data) == -1) {
+			error = errno;
+			/*
+			 * If the filesystem is not found, or the
+			 * superblock is invalid, try the next.
+			 */
+			if (error == ENODEV || error == EINVAL)
+				continue;
+
+			/*
+			 * If we get EACCESS, and we're trying to
+			 * mount readwrite and this isn't a remount,
+			 * try read only.
+			 */
+			if (error == EACCES &&
+			    (rwflag & (MS_REMOUNT|MS_RDONLY)) == 0) {
+				rwflag |= MS_RDONLY;
+				goto retry;
+			}
+			break;
+		}
+	}
+
+	if (error) {
+		errno = error;
+		perror("mount");
+		return 255;
+	}
+
+	return 0;
+}
+
+static int print_mounts()
+{
+    FILE* f;
+    int length;
+    char buffer[100];
+    
+    f = fopen("/proc/mounts", "r");
+    if (!f) {
+        fprintf(stdout, "could not open /proc/mounts\n");
+        return -1;
+    }
+
+    do {
+        length = fread(buffer, 1, 100, f);
+        if (length > 0)
+            fwrite(buffer, 1, length, stdout);
+    } while (length > 0);
+
+    fclose(f);
+    return 0;
+}
+
+int mount_main(int argc, char *argv[])
+{
+	char *type = NULL;
+	int c;
+	int loop;
+
+	progname = argv[0];
+	rwflag = MS_VERBOSE;
+	
+	// mount with no arguments is equivalent to "cat /proc/mounts"
+	if (argc == 1) return print_mounts();
+
+	do {
+		c = getopt(argc, argv, "o:rt:w");
+		if (c == EOF)
+			break;
+		switch (c) {
+		case 'o':
+			rwflag = parse_mount_options(optarg, rwflag, &extra, &loop);
+			break;
+		case 'r':
+			rwflag |= MS_RDONLY;
+			break;
+		case 't':
+			type = optarg;
+			break;
+		case 'w':
+			rwflag &= ~MS_RDONLY;
+			break;
+		case '?':
+			fprintf(stderr, "%s: invalid option -%c\n",
+				progname, optopt);
+			exit(1);
+		}
+	} while (1);
+
+	/*
+	 * If remount, bind or move was specified, then we don't
+	 * have a "type" as such.  Use the dummy "none" type.
+	 */
+	if (rwflag & MS_TYPE)
+		type = "none";
+
+	if (optind + 2 != argc || type == NULL) {
+		fprintf(stderr, "Usage: %s [-r] [-w] [-o options] [-t type] "
+			"device directory\n", progname);
+		exit(1);
+	}
+
+	return do_mount(argv[optind], argv[optind + 1], type, rwflag,
+		        extra.str, loop);
+}