cmdline_seg 44 arch/x86/boot/main.c u16 cmdline_seg; cmdline_seg 50 arch/x86/boot/main.c cmdline_seg = ds(); cmdline_seg 52 arch/x86/boot/main.c cmdline_seg = 0x9000; cmdline_seg 55 arch/x86/boot/main.c (cmdline_seg << 4) + oldcmd->cl_offset;