formatting nits

4fb68454 · rsc · efb01c1d · 4fb68454 · 4fb68454 · 4fb68454
--- a/ioapic.c
+++ b/ioapic.c
@@ -37,7 +37,7 @@ ioapic_init(void)
  uchar id;
  int i;
-  if (!ismp)
+  if(!ismp)
    return;
  io = (struct ioapic*) IO_APIC_BASE;
@@ -71,7 +71,7 @@ ioapic_enable (int irq, int cpunum)
  uint l, h;
  struct ioapic *io;
-  if (!ismp)
+  if(!ismp)
    return;
  io = (struct ioapic*) IO_APIC_BASE;

--- a/lapic.c
+++ b/lapic.c
@@ -105,7 +105,7 @@ lapic_write(int r, int data)
 void
 lapic_timerinit(void)
 {
-  if (!lapicaddr) 
+  if(!lapicaddr) 
    return;
  lapic_write(LAPIC_TDCR, LAPIC_X1);
@@ -118,7 +118,7 @@ lapic_timerinit(void)
 void
 lapic_timerintr(void)
 {
-  if (lapicaddr) 
+  if(lapicaddr) 
    lapic_write(LAPIC_EOI, 0);
 }
@@ -127,7 +127,7 @@ lapic_init(int c)
 {
  uint r, lvt;
-  if (!lapicaddr) 
+  if(!lapicaddr) 
    return;
  lapic_write(LAPIC_DFR, 0xFFFFFFFF);    // Set dst format register
@@ -162,21 +162,21 @@ lapic_init(int c)
 void
 lapic_enableintr(void)
 {
-  if (lapicaddr)
+  if(lapicaddr)
    lapic_write(LAPIC_TPR, 0);
 }
 void
 lapic_disableintr(void)
 {
-  if (lapicaddr)
+  if(lapicaddr)
    lapic_write(LAPIC_TPR, 0xFF);
 }
 void
 lapic_eoi(void)
 {
-  if (lapicaddr)
+  if(lapicaddr)
    lapic_write(LAPIC_EOI, 0);
 }
@@ -184,7 +184,7 @@ int
 cpu(void)
 {
  int x;
-  if (lapicaddr) 
+  if(lapicaddr) 
    x = (lapic_read(LAPIC_ID)>>24) & 0xFF;
  else 
    x = 0;

--- a/main.c
+++ b/main.c
@@ -74,8 +74,10 @@ main0(void)
  mp_startthem();
  // turn on timer
-  if (ismp) lapic_timerinit();
+  if(ismp)
-  else pit8253_timerinit();
+    lapic_timerinit();
+  else
+    pit8253_timerinit();
  // enable interrupts on the local APIC
  lapic_enableintr();
@@ -126,7 +128,8 @@ process0()
  p0->cwd = iget(rootdev, 1);
  iunlock(p0->cwd);
-  // dummy user memory to make copyproc() happy
+  // dummy user memory to make copyproc() happy.
+  // must be big enough to hold the init binary.
  p0->sz = PAGE;
  p0->mem = kalloc(p0->sz);

--- a/mp.c
+++ b/mp.c
@@ -191,7 +191,8 @@ mp_init(void)
 int
 mp_bcpu(void)
 {
-  if (ismp) return bcpu-cpus;
+  if(ismp)
+    return bcpu-cpus;
  else return 0;
 }