Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / common / cmd_ext4.c

diff --git a/qemu/roms/u-boot/common/cmd_ext4.c b/qemu/roms/u-boot/common/cmd_ext4.c
new file mode 100644 (file)
index 0000000..68b047b
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_ext4.c
@@ -0,0 +1,125 @@
+/*
+ * (C) Copyright 2011 - 2012 Samsung Electronics
+ * EXT4 filesystem implementation in Uboot by
+ * Uma Shankar <uma.shankar@samsung.com>
+ * Manjunatha C Achar <a.manjunatha@samsung.com>
+ *
+ * Ext4fs support
+ * made from existing cmd_ext2.c file of Uboot
+ *
+ * (C) Copyright 2004
+ * esd gmbh <www.esd-electronics.com>
+ * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
+ *
+ * made from cmd_reiserfs by
+ *
+ * (C) Copyright 2003 - 2004
+ * Sysgo Real-Time Solutions, AG <www.elinos.com>
+ * Pavel Bartusek <pba@sysgo.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+/*
+ * Changelog:
+ *     0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
+ *             file in uboot. Added ext4fs ls load and write support.
+ */
+
+#include <common.h>
+#include <part.h>
+#include <config.h>
+#include <command.h>
+#include <image.h>
+#include <linux/ctype.h>
+#include <asm/byteorder.h>
+#include <ext4fs.h>
+#include <linux/stat.h>
+#include <malloc.h>
+#include <fs.h>
+
+#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
+#include <usb.h>
+#endif
+
+int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
+                                               char *const argv[])
+{
+       return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
+}
+
+int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+       return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT);
+}
+
+#if defined(CONFIG_CMD_EXT4_WRITE)
+int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
+                               char *const argv[])
+{
+       const char *filename = "/";
+       int dev, part;
+       unsigned long ram_address;
+       unsigned long file_size;
+       disk_partition_t info;
+       block_dev_desc_t *dev_desc;
+
+       if (argc < 6)
+               return cmd_usage(cmdtp);
+
+       part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
+       if (part < 0)
+               return 1;
+
+       dev = dev_desc->dev;
+
+       /* get the filename */
+       filename = argv[4];
+
+       /* get the address in hexadecimal format (string to int) */
+       ram_address = simple_strtoul(argv[3], NULL, 16);
+
+       /* get the filesize in hexadecimal format */
+       file_size = simple_strtoul(argv[5], NULL, 16);
+
+       /* set the device as block device */
+       ext4fs_set_blk_dev(dev_desc, &info);
+
+       /* mount the filesystem */
+       if (!ext4fs_mount(info.size)) {
+               printf("Bad ext4 partition %s %d:%d\n", argv[1], dev, part);
+               goto fail;
+       }
+
+       /* start write */
+       if (ext4fs_write(filename, (unsigned char *)ram_address, file_size)) {
+               printf("** Error ext4fs_write() **\n");
+               goto fail;
+       }
+       ext4fs_close();
+
+       return 0;
+
+fail:
+       ext4fs_close();
+
+       return 1;
+}
+
+U_BOOT_CMD(ext4write, 6, 1, do_ext4_write,
+       "create a file in the root directory",
+       "<interface> <dev[:part]> <addr> <absolute filename path> [sizebytes]\n"
+       "    - create a file in / directory");
+
+#endif
+
+U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
+          "list files in a directory (default /)",
+          "<interface> <dev[:part]> [directory]\n"
+          "    - list files from 'dev' on 'interface' in a 'directory'");
+
+U_BOOT_CMD(ext4load, 6, 0, do_ext4_load,
+          "load binary file from a Ext4 filesystem",
+          "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
+          "    - load binary file 'filename' from 'dev' on 'interface'\n"
+          "      to address 'addr' from ext4 filesystem");