@@ -32,9 +32,16 @@ static int do_sandbox_ls(cmd_tbl_t *cmdtp, int flag, int argc,
return do_ls(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
}
+static int do_sandbox_save(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ return do_save(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX, 16);
+}
+
static cmd_tbl_t cmd_sandbox_sub[] = {
- U_BOOT_CMD_MKENT(load, 3, 0, do_sandbox_load, "", ""),
+ U_BOOT_CMD_MKENT(load, 7, 0, do_sandbox_load, "", ""),
U_BOOT_CMD_MKENT(ls, 3, 0, do_sandbox_ls, "", ""),
+ U_BOOT_CMD_MKENT(save, 6, 0, do_sandbox_save, "", ""),
};
static int do_sandbox(cmd_tbl_t *cmdtp, int flag, int argc,
@@ -56,8 +63,11 @@ static int do_sandbox(cmd_tbl_t *cmdtp, int flag, int argc,
}
U_BOOT_CMD(
- sb, 6, 1, do_sandbox,
+ sb, 8, 1, do_sandbox,
"Miscellaneous sandbox commands",
- "load host <addr> <filename> [<bytes> <offset>] - load a file from host\n"
- "sb ls host <filename> - save a file to host"
+ "load host <dev> <addr> <filename> [<bytes> <offset>] - "
+ "load a file from host\n"
+ "sb ls host <filename> - list files on host\n"
+ "sb save host <dev> <filename> <addr> <bytes> [<offset>] - "
+ "save a file to host\n"
);
@@ -93,6 +93,7 @@ static struct fstype_info fstypes[] = {
.close = sandbox_fs_close,
.ls = sandbox_fs_ls,
.read = fs_read_sandbox,
+ .write = fs_write_sandbox,
},
#endif
{
@@ -48,6 +48,26 @@ long sandbox_fs_read_at(const char *filename, unsigned long pos,
return size;
}
+long sandbox_fs_write_at(const char *filename, unsigned long pos,
+ void *buffer, unsigned long towrite)
+{
+ ssize_t size;
+ int fd, ret;
+
+ fd = os_open(filename, OS_O_RDWR | OS_O_CREAT);
+ if (fd < 0)
+ return fd;
+ ret = os_lseek(fd, pos, OS_SEEK_SET);
+ if (ret == -1) {
+ os_close(fd);
+ return ret;
+ }
+ size = os_write(fd, buffer, towrite);
+ os_close(fd);
+
+ return size;
+}
+
int sandbox_fs_ls(const char *dirname)
{
struct os_dirent_node *head, *node;
@@ -81,3 +101,16 @@ int fs_read_sandbox(const char *filename, void *buf, int offset, int len)
return len_read;
}
+
+int fs_write_sandbox(const char *filename, void *buf, int offset, int len)
+{
+ int len_written;
+
+ len_written = sandbox_fs_write_at(filename, offset, buf, len);
+ if (len_written == -1) {
+ printf("** Unable to write file %s **\n", filename);
+ return -1;
+ }
+
+ return len_written;
+}
@@ -26,5 +26,6 @@ long sandbox_fs_read_at(const char *filename, unsigned long pos,
void sandbox_fs_close(void);
int sandbox_fs_ls(const char *dirname);
int fs_read_sandbox(const char *filename, void *buf, int offset, int len);
+int fs_write_sandbox(const char *filename, void *buf, int offset, int len);
#endif
This allows write of files from the host filesystem in sandbox. There is currently no concept of overwriting the file and removing its existing contents - all writing is done on top of what is there. This means that writing 10 bytes to the start of a 1KB file will only update those 10 bytes, not truncate the file to 10 byte slong. If the file does not exist it is created. Signed-off-by: Simon Glass <sjg@chromium.org> --- Changes in v3: None Changes in v2: None common/cmd_sandbox.c | 18 ++++++++++++++---- fs/fs.c | 1 + fs/sandbox/sandboxfs.c | 33 +++++++++++++++++++++++++++++++++ include/sandboxfs.h | 1 + 4 files changed, 49 insertions(+), 4 deletions(-)