Add a #define VERBOSE in param.h to enable printing diagnostics.

8a34b7aa · Silas Boyd-Wickizer · 70e01816 · 8a34b7aa · 8a34b7aa · 8a34b7aa
--- a/e1000.c
+++ b/e1000.c
@@ -279,6 +279,7 @@ e1000attach(struct pci_func *pcif)
  r = eeprom_read((u16*)e1000.hwaddr, EEPROM_OFF_MACADDR, 3);
  if (r < 0)
    return 0;
+  if (VERBOSE)
      cprintf("%x:%x:%x:%x:%x:%x\n",
              e1000.hwaddr[0], e1000.hwaddr[1], e1000.hwaddr[2],
              e1000.hwaddr[3], e1000.hwaddr[4], e1000.hwaddr[5]);

--- a/init.c
+++ b/init.c
@@ -25,7 +25,6 @@ main(void)
      printf(2, "init: mknod netif failed\n");

  for(;;){
-    printf(1, "init: starting sh\n");
    pid = fork(0);
    if(pid < 0){
      printf(1, "init: fork failed\n");

--- a/kalloc.c
+++ b/kalloc.c
@@ -271,6 +271,7 @@ initkalloc(u64 mbaddr)
    }
  }

+  if (VERBOSE)
    cprintf("%lu mbytes\n", membytes / (1<<20));
  n = membytes / NCPU;
  if (n & (PGSIZE-1))

--- a/main.c
+++ b/main.c
@@ -109,6 +109,7 @@ cmain(u64 mbmagic, u64 mbaddr)
  initpci();
  initnet();

+  if (VERBOSE)
    cprintf("ncpu %d %lu MHz\n", ncpu, cpuhz / 1000000);

  inituser();      // first user process

--- a/param.h
+++ b/param.h
@@ -15,6 +15,7 @@
 #define QUANTUM      10  // scheduling time quantum and tick length (in msec)
 #define WQSHIFT       4  // 2^WORKSHIFT work queue slots
 #define VICTIMAGE 1000000 // cycles a proc executes before an eligible victim
+#define VERBOSE       0  // print kernel diagnostics
 #if defined(HW_josmp)
 #define NCPU         16  // maximum number of CPUs
 #define MTRACE       0

--- a/pci.c
+++ b/pci.c
@@ -247,6 +247,7 @@ pci_func_enable(struct pci_func *f)
              regnum, base, size);
  }

+  if (VERBOSE)
    cprintf("PCI function %x:%x.%d (%x:%x) enabled\n",
            f->bus->busno, f->dev, f->func,
            PCI_VENDOR(f->dev_id), PCI_PRODUCT(f->dev_id));

--- a/sampler.c
+++ b/sampler.c
@@ -213,6 +213,7 @@ initsamp(void)
    name[3] = 0;

    cpuid(0, 0, &name[0], &name[2], &name[1]);
+    if (VERBOSE)
      cprintf("%s\n", s);
    if (!strcmp(s, "AuthenticAMD"))
      pmu = amdpmu;