TWRP-ify AOSP code
Pull in most TWRP sources
Stub out partition management code
Make it compile -- probably will not boot
Kind of a mess but have to start somewhere
diff --git a/flashutils/flashutils.c b/flashutils/flashutils.c
new file mode 100644
index 0000000..de45e87
--- /dev/null
+++ b/flashutils/flashutils.c
@@ -0,0 +1,156 @@
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <stdio.h>
+
+#include "flashutils/flashutils.h"
+
+#ifndef BOARD_BML_BOOT
+#define BOARD_BML_BOOT "/dev/block/bml7"
+#endif
+
+#ifndef BOARD_BML_RECOVERY
+#define BOARD_BML_RECOVERY "/dev/block/bml8"
+#endif
+
+int the_flash_type = UNKNOWN;
+
+int device_flash_type()
+{
+ if (the_flash_type == UNKNOWN) {
+ if (access(BOARD_BML_BOOT, 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";
+}
+
+int get_flash_type(const char* partitionType) {
+ int type = UNSUPPORTED;
+ if (strcmp(partitionType, "mtd") == 0)
+ type = MTD;
+ else if (strcmp(partitionType, "emmc") == 0)
+ type = MMC;
+ else if (strcmp(partitionType, "bml") == 0)
+ type = BML;
+ return type;
+}
+
+static int detect_partition(const char *partitionType, const char *partition)
+{
+ int type = device_flash_type();
+ if (strstr(partition, "/dev/block/mtd") != NULL)
+ type = MTD;
+ else if (strstr(partition, "/dev/block/mmc") != NULL)
+ type = MMC;
+ else if (strstr(partition, "/dev/block/bml") != NULL)
+ type = BML;
+
+ if (partitionType != NULL) {
+ type = get_flash_type(partitionType);
+ }
+
+ return type;
+}
+int restore_raw_partition(const char* partitionType, const char *partition, const char *filename)
+{
+ int type = detect_partition(partitionType, partition);
+ 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* partitionType, const char *partition, const char *filename)
+{
+ int type = detect_partition(partitionType, partition);
+ 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:
+ printf("unable to detect device type");
+ return -1;
+ }
+}
+
+int erase_raw_partition(const char* partitionType, const char *partition)
+{
+ int type = detect_partition(partitionType, partition);
+ 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 = detect_partition(NULL, partition);
+ 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 = detect_partition(NULL, partition);
+ 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;
+ }
+}