reg                29 ioapic.c         uint reg;
reg                35 ioapic.c       ioapicread(int reg)
reg                37 ioapic.c         ioapic->reg = reg;
reg                42 ioapic.c       ioapicwrite(int reg, uint data)
reg                44 ioapic.c         ioapic->reg = reg;
reg               185 lapic.c        static uint cmos_read(uint reg)
reg               187 lapic.c          outb(CMOS_PORT,  reg);