]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - fs/fs.c
Merge branch 'master' of git://git.denx.de/u-boot-usb
[karo-tx-uboot.git] / fs / fs.c
diff --git a/fs/fs.c b/fs/fs.c
index 6f5063c3aff5e2806320bead6547a6c4154d4495..dd680f39c9ca60472ea91f37a7a325f95da3b672 100644 (file)
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -41,22 +41,50 @@ static inline int fs_ls_unsupported(const char *dirname)
        return -1;
 }
 
+static inline int fs_exists_unsupported(const char *filename)
+{
+       return 0;
+}
+
+static inline int fs_size_unsupported(const char *filename)
+{
+       return -1;
+}
+
 static inline int fs_read_unsupported(const char *filename, void *buf,
                                      int offset, int len)
 {
        return -1;
 }
 
+static inline int fs_write_unsupported(const char *filename, void *buf,
+                                     int offset, int len)
+{
+       return -1;
+}
+
 static inline void fs_close_unsupported(void)
 {
 }
 
 struct fstype_info {
        int fstype;
+       /*
+        * Is it legal to pass NULL as .probe()'s  fs_dev_desc parameter? This
+        * should be false in most cases. For "virtual" filesystems which
+        * aren't based on a U-Boot block device (e.g. sandbox), this can be
+        * set to true. This should also be true for the dumm entry at the end
+        * of fstypes[], since that is essentially a "virtual" (non-existent)
+        * filesystem.
+        */
+       bool null_dev_desc_ok;
        int (*probe)(block_dev_desc_t *fs_dev_desc,
                     disk_partition_t *fs_partition);
        int (*ls)(const char *dirname);
+       int (*exists)(const char *filename);
+       int (*size)(const char *filename);
        int (*read)(const char *filename, void *buf, int offset, int len);
+       int (*write)(const char *filename, void *buf, int offset, int len);
        void (*close)(void);
 };
 
@@ -64,36 +92,52 @@ static struct fstype_info fstypes[] = {
 #ifdef CONFIG_FS_FAT
        {
                .fstype = FS_TYPE_FAT,
+               .null_dev_desc_ok = false,
                .probe = fat_set_blk_dev,
                .close = fat_close,
                .ls = file_fat_ls,
+               .exists = fat_exists,
+               .size = fat_size,
                .read = fat_read_file,
+               .write = fs_write_unsupported,
        },
 #endif
 #ifdef CONFIG_FS_EXT4
        {
                .fstype = FS_TYPE_EXT,
+               .null_dev_desc_ok = false,
                .probe = ext4fs_probe,
                .close = ext4fs_close,
                .ls = ext4fs_ls,
+               .exists = ext4fs_exists,
+               .size = ext4fs_size,
                .read = ext4_read_file,
+               .write = fs_write_unsupported,
        },
 #endif
 #ifdef CONFIG_SANDBOX
        {
                .fstype = FS_TYPE_SANDBOX,
+               .null_dev_desc_ok = true,
                .probe = sandbox_fs_set_blk_dev,
                .close = sandbox_fs_close,
                .ls = sandbox_fs_ls,
+               .exists = sandbox_fs_exists,
+               .size = sandbox_fs_size,
                .read = fs_read_sandbox,
+               .write = fs_write_sandbox,
        },
 #endif
        {
                .fstype = FS_TYPE_ANY,
+               .null_dev_desc_ok = true,
                .probe = fs_probe_unsupported,
                .close = fs_close_unsupported,
                .ls = fs_ls_unsupported,
+               .exists = fs_exists_unsupported,
+               .size = fs_size_unsupported,
                .read = fs_read_unsupported,
+               .write = fs_write_unsupported,
        },
 };
 
@@ -125,6 +169,7 @@ int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype)
                        info->close += gd->reloc_off;
                        info->ls += gd->reloc_off;
                        info->read += gd->reloc_off;
+                       info->write += gd->reloc_off;
                }
                relocated = 1;
        }
@@ -140,6 +185,9 @@ int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype)
                                fstype != info->fstype)
                        continue;
 
+               if (!fs_dev_desc && !info->null_dev_desc_ok)
+                       continue;
+
                if (!info->probe(fs_dev_desc, &fs_partition)) {
                        fs_type = info->fstype;
                        return 0;
@@ -172,6 +220,32 @@ int fs_ls(const char *dirname)
        return ret;
 }
 
+int fs_exists(const char *filename)
+{
+       int ret;
+
+       struct fstype_info *info = fs_get_info(fs_type);
+
+       ret = info->exists(filename);
+
+       fs_close();
+
+       return ret;
+}
+
+int fs_size(const char *filename)
+{
+       int ret;
+
+       struct fstype_info *info = fs_get_info(fs_type);
+
+       ret = info->size(filename);
+
+       fs_close();
+
+       return ret;
+}
+
 int fs_read(const char *filename, ulong addr, int offset, int len)
 {
        struct fstype_info *info = fs_get_info(fs_type);
@@ -196,8 +270,47 @@ int fs_read(const char *filename, ulong addr, int offset, int len)
        return ret;
 }
 
+int fs_write(const char *filename, ulong addr, int offset, int len)
+{
+       struct fstype_info *info = fs_get_info(fs_type);
+       void *buf;
+       int ret;
+
+       buf = map_sysmem(addr, len);
+       ret = info->write(filename, buf, offset, len);
+       unmap_sysmem(buf);
+
+       if (ret >= 0 && ret != len) {
+               printf("** Unable to write file %s **\n", filename);
+               ret = -1;
+       }
+       fs_close();
+
+       return ret;
+}
+
+int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+               int fstype)
+{
+       int size;
+
+       if (argc != 4)
+               return CMD_RET_USAGE;
+
+       if (fs_set_blk_dev(argv[1], argv[2], fstype))
+               return 1;
+
+       size = fs_size(argv[3]);
+       if (size < 0)
+               return CMD_RET_FAILURE;
+
+       setenv_hex("filesize", size);
+
+       return 0;
+}
+
 int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
-               int fstype, int cmdline_base)
+               int fstype)
 {
        unsigned long addr;
        const char *addr_str;
@@ -206,6 +319,7 @@ int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
        unsigned long pos;
        int len_read;
        unsigned long time;
+       char *ep;
 
        if (argc < 2)
                return CMD_RET_USAGE;
@@ -216,7 +330,9 @@ int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
                return 1;
 
        if (argc >= 4) {
-               addr = simple_strtoul(argv[3], NULL, cmdline_base);
+               addr = simple_strtoul(argv[3], &ep, 16);
+               if (ep == argv[3] || *ep != '\0')
+                       return CMD_RET_USAGE;
        } else {
                addr_str = getenv("loadaddr");
                if (addr_str != NULL)
@@ -234,11 +350,11 @@ int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
                }
        }
        if (argc >= 6)
-               bytes = simple_strtoul(argv[5], NULL, cmdline_base);
+               bytes = simple_strtoul(argv[5], NULL, 16);
        else
                bytes = 0;
        if (argc >= 7)
-               pos = simple_strtoul(argv[6], NULL, cmdline_base);
+               pos = simple_strtoul(argv[6], NULL, 16);
        else
                pos = 0;
 
@@ -277,3 +393,53 @@ int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
 
        return 0;
 }
+
+int file_exists(const char *dev_type, const char *dev_part, const char *file,
+               int fstype)
+{
+       if (fs_set_blk_dev(dev_type, dev_part, fstype))
+               return 0;
+
+       return fs_exists(file);
+}
+
+int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+               int fstype)
+{
+       unsigned long addr;
+       const char *filename;
+       unsigned long bytes;
+       unsigned long pos;
+       int len;
+       unsigned long time;
+
+       if (argc < 6 || argc > 7)
+               return CMD_RET_USAGE;
+
+       if (fs_set_blk_dev(argv[1], argv[2], fstype))
+               return 1;
+
+       filename = argv[3];
+       addr = simple_strtoul(argv[4], NULL, 16);
+       bytes = simple_strtoul(argv[5], NULL, 16);
+       if (argc >= 7)
+               pos = simple_strtoul(argv[6], NULL, 16);
+       else
+               pos = 0;
+
+       time = get_timer(0);
+       len = fs_write(filename, addr, pos, bytes);
+       time = get_timer(time);
+       if (len <= 0)
+               return 1;
+
+       printf("%d bytes written in %lu ms", len, time);
+       if (time > 0) {
+               puts(" (");
+               print_size(len / time * 1000, "/s");
+               puts(")");
+       }
+       puts("\n");
+
+       return 0;
+}