bc1edaf204
At present the codes use hardcoded numbers (0xff/0xfe) for the dummy value and block start token. Replace them with macros. Signed-off-by: Bin Meng <bin.meng@windriver.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210123104016.17485-12-bmeng.cn@gmail.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>