Variables starting with `x' in arch/i386/boot

• x0 arch/i386/boot/start.s:198
• x0001 arch/i386/boot/start.s:201
• x0201 arch/i386/boot/start.s:220
• x18 arch/i386/boot/asm.s:122
• x2 arch/i386/boot/start.s:278
• x20 arch/i386/boot/asm.s:127
• x7c0 arch/i386/boot/start.s:161
• x80 arch/i386/boot/start.s:186
• xe arch/i386/boot/start.s:335
• xEE arch/i386/boot/table.c:148
• xff arch/i386/boot/start.s:231