diff options
Diffstat (limited to 'ioapic.c')
| -rw-r--r-- | ioapic.c | 14 |
1 files changed, 7 insertions, 7 deletions
@@ -18,7 +18,7 @@ static uint ioapic_read(struct ioapic *io, int reg) { io->ioregsel = reg; - return (io->iowin); + return io->iowin; } static void @@ -37,13 +37,13 @@ ioapic_init(void) uchar id; int i; - io = (struct ioapic *) IO_APIC_BASE; + io = (struct ioapic*) IO_APIC_BASE; l = ioapic_read(io, IOAPIC_VER); nintr = ((l & IOART_VER_MAXREDIR) >> MAXREDIRSHIFT) + 1; id = ioapic_read(io, IOAPIC_ID) >> APIC_ID_SHIFT; - if (id != ioapic_id) - panic ("ioapic_init: id isn't equal to ioapic_id\n"); - for (i = 0; i < nintr; i++) { + if(id != ioapic_id) + panic("ioapic_init: id isn't equal to ioapic_id\n"); + for(i = 0; i < nintr; i++) { // active-hi and edge-triggered for ISA interrupts // Assume that pin 0 on the first I/O APIC is an ExtINT pin. // Assume that pins 1-15 are ISA interrupts @@ -68,12 +68,12 @@ ioapic_enable (int irq, int cpunum) uint l, h; struct ioapic *io; - io = (struct ioapic *) IO_APIC_BASE; + io = (struct ioapic*) IO_APIC_BASE; l = ioapic_read(io, IOAPIC_REDTBL_LO(irq)); l = l & ~IOART_INTMASK; // allow INTs ioapic_write(io, IOAPIC_REDTBL_LO(irq), l); h = ioapic_read(io, IOAPIC_REDTBL_HI(irq)); h &= ~IOART_DEST; - h |= (cpunum << APIC_ID_SHIFT); + h |= (cpunum << APIC_ID_SHIFT); ioapic_write(io, IOAPIC_REDTBL_HI(irq), h); } |