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Diffstat (limited to 'fs/fs.c')
-rw-r--r--fs/fs.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/fs/fs.c b/fs/fs.c
index ea15c5f..dd680f3 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -46,6 +46,11 @@ 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)
{
@@ -77,6 +82,7 @@ struct fstype_info {
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);
@@ -91,6 +97,7 @@ static struct fstype_info fstypes[] = {
.close = fat_close,
.ls = file_fat_ls,
.exists = fat_exists,
+ .size = fat_size,
.read = fat_read_file,
.write = fs_write_unsupported,
},
@@ -103,6 +110,7 @@ static struct fstype_info fstypes[] = {
.close = ext4fs_close,
.ls = ext4fs_ls,
.exists = ext4fs_exists,
+ .size = ext4fs_size,
.read = ext4_read_file,
.write = fs_write_unsupported,
},
@@ -115,6 +123,7 @@ static struct fstype_info fstypes[] = {
.close = sandbox_fs_close,
.ls = sandbox_fs_ls,
.exists = sandbox_fs_exists,
+ .size = sandbox_fs_size,
.read = fs_read_sandbox,
.write = fs_write_sandbox,
},
@@ -126,6 +135,7 @@ static struct fstype_info fstypes[] = {
.close = fs_close_unsupported,
.ls = fs_ls_unsupported,
.exists = fs_exists_unsupported,
+ .size = fs_size_unsupported,
.read = fs_read_unsupported,
.write = fs_write_unsupported,
},
@@ -223,6 +233,19 @@ int fs_exists(const char *filename)
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);
@@ -266,6 +289,26 @@ int fs_write(const char *filename, ulong addr, int offset, int len)
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)
{