taglinefilesource code
COMMAND_LINE48arch/alpha/kernel/setup.c#define COMMAND_LINE    ((char*)(PARAM + 0x0000))
COMMAND_LINE76arch/i386/kernel/setup.c#define COMMAND_LINE ((char *) (PARAM+2048))
COMMAND_LINE66arch/mips/kernel/setup.c#define COMMAND_LINE (boot_info.command_line)