diff --git a/flashutils/flashutils.c b/flashutils/flashutils.c
new file mode 100644
index 0000000..5c57756
--- /dev/null
+++ b/flashutils/flashutils.c
@@ -0,0 +1,168 @@
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/wait.h>
+
+#include "flashutils/flashutils.h"
+
+enum flash_type {
+    UNSUPPORTED = -1,
+    UNKNOWN = 0,
+    MTD = 1,
+    MMC = 2,
+    BML = 3
+};
+
+int the_flash_type = UNKNOWN;
+
+int device_flash_type()
+{
+    if (the_flash_type == UNKNOWN) {
+        if (access("/dev/block/bml1", F_OK) == 0) {
+            the_flash_type = BML;
+        } else if (access("/proc/emmc", F_OK) == 0) {
+            the_flash_type = MMC;
+        } else if (access("/proc/mtd", F_OK) == 0) {
+            the_flash_type = MTD;
+        } else {
+            the_flash_type = UNSUPPORTED;
+        }
+    }
+    return the_flash_type;
+}
+
+char* get_default_filesystem()
+{
+    return device_flash_type() == MMC ? "ext3" : "yaffs2";
+}
+
+// This was pulled from bionic: The default system command always looks
+// for shell in /system/bin/sh. This is bad.
+#define _PATH_BSHELL "/sbin/sh"
+
+extern char **environ;
+int
+__system(const char *command)
+{
+  pid_t pid;
+    sig_t intsave, quitsave;
+    sigset_t mask, omask;
+    int pstat;
+    char *argp[] = {"sh", "-c", NULL, NULL};
+
+    if (!command)        /* just checking... */
+        return(1);
+
+    argp[2] = (char *)command;
+
+    sigemptyset(&mask);
+    sigaddset(&mask, SIGCHLD);
+    sigprocmask(SIG_BLOCK, &mask, &omask);
+    switch (pid = vfork()) {
+    case -1:            /* error */
+        sigprocmask(SIG_SETMASK, &omask, NULL);
+        return(-1);
+    case 0:                /* child */
+        sigprocmask(SIG_SETMASK, &omask, NULL);
+        execve(_PATH_BSHELL, argp, environ);
+    _exit(127);
+  }
+
+    intsave = (sig_t)  bsd_signal(SIGINT, SIG_IGN);
+    quitsave = (sig_t) bsd_signal(SIGQUIT, SIG_IGN);
+    pid = waitpid(pid, (int *)&pstat, 0);
+    sigprocmask(SIG_SETMASK, &omask, NULL);
+    (void)bsd_signal(SIGINT, intsave);
+    (void)bsd_signal(SIGQUIT, quitsave);
+    return (pid == -1 ? -1 : pstat);
+}
+
+int restore_raw_partition(const char *partition, const char *filename)
+{
+    int type = device_flash_type();
+    switch (type) {
+        case MTD:
+            return cmd_mtd_restore_raw_partition(partition, filename);
+        case MMC:
+            return cmd_mmc_restore_raw_partition(partition, filename);
+        case BML:
+            return cmd_bml_restore_raw_partition(partition, filename);
+        default:
+            return -1;
+    }
+}
+
+int backup_raw_partition(const char *partition, const char *filename)
+{
+    int type = device_flash_type();
+    switch (type) {
+        case MTD:
+            return cmd_mtd_backup_raw_partition(partition, filename);
+        case MMC:
+            return cmd_mmc_backup_raw_partition(partition, filename);
+        case BML:
+            return cmd_bml_backup_raw_partition(partition, filename);
+        default:
+            return -1;
+    }
+}
+
+int erase_raw_partition(const char *partition)
+{
+    int type = device_flash_type();
+    switch (type) {
+        case MTD:
+            return cmd_mtd_erase_raw_partition(partition);
+        case MMC:
+            return cmd_mmc_erase_raw_partition(partition);
+        case BML:
+            return cmd_bml_erase_raw_partition(partition);
+        default:
+            return -1;
+    }
+}
+
+int erase_partition(const char *partition, const char *filesystem)
+{
+    int type = device_flash_type();
+    switch (type) {
+        case MTD:
+            return cmd_mtd_erase_partition(partition, filesystem);
+        case MMC:
+            return cmd_mmc_erase_partition(partition, filesystem);
+        case BML:
+            return cmd_bml_erase_partition(partition, filesystem);
+        default:
+            return -1;
+    }
+}
+
+int mount_partition(const char *partition, const char *mount_point, const char *filesystem, int read_only)
+{
+    int type = device_flash_type();
+    switch (type) {
+        case MTD:
+            return cmd_mtd_mount_partition(partition, mount_point, filesystem, read_only);
+        case MMC:
+            return cmd_mmc_mount_partition(partition, mount_point, filesystem, read_only);
+        case BML:
+            return cmd_bml_mount_partition(partition, mount_point, filesystem, read_only);
+        default:
+            return -1;
+    }
+}
+
+int get_partition_device(const char *partition, char *device)
+{
+    int type = device_flash_type();
+    switch (type) {
+        case MTD:
+            return cmd_mtd_get_partition_device(partition, device);
+        case MMC:
+            return cmd_mmc_get_partition_device(partition, device);
+        case BML:
+            return cmd_bml_get_partition_device(partition, device);
+        default:
+            return -1;
+    }
+}