OPTIONS/gprof optional gprof pexpert/i386/pe_init.c standard pexpert/i386/pe_bootargs.c standard pexpert/i386/pe_identify_machine.c standard pexpert/i386/pe_kprintf.c standard pexpert/i386/pe_interrupt.c standard pexpert/i386/fakePPCDeviceTree.c standard pexpert/i386/pe_serial.c standard # Polled-mode keyboard driver. pexpert/i386/kd.c standard