more c++

577f85e1 · Nickolai Zeldovich · 9bbaf1df · 577f85e1 · 577f85e1 · 577f85e1
--- a/e1000.c
+++ b/e1000.c
+extern "C" {
 #include "types.h"
 #include "amd64.h"
 #include "kernel.h"
 #include "pci.h"
 #include "spinlock.h"
 #include "e1000reg.h"
+}
 #define TX_RING_SIZE 64
 #define RX_RING_SIZE 64
@@ -34,7 +36,7 @@ static inline u32
 erd(u32 reg)
 {
  paddr pa = e1000.membase + reg;
-  volatile u32 *ptr = p2v(pa);
+  volatile u32 *ptr = (u32*) p2v(pa);
  return *ptr;
 }
@@ -42,7 +44,7 @@ static inline void
 ewr(u32 reg, u32 val)
 {
  paddr pa = e1000.membase + reg;
-  volatile u32 *ptr = p2v(pa);
+  volatile u32 *ptr = (u32*) p2v(pa);
  *ptr = val;
 }

--- a/hwvm.c
+++ b/hwvm.c
@@ -85,7 +85,7 @@ updatepages(pme_t *pml4, void *begin, void *end, int perm)
 // Map from 0 to 128Gbytes starting at KBASE.
 void
-initpg(char* (*alloc)(void))
+initpg(void)
 {
  extern char end[]; 
  void *va = (void*)KBASE;

--- a/hz.c
+++ b/hz.c
 // Intel 8253/8254/82C54 Programmable Interval Timer (PIT).
 // http://en.wikipedia.org/wiki/Intel_8253
+extern "C" {
 #include "types.h"
 #include "amd64.h"
 #include "kernel.h"
+}
 #define IO_TIMER1       0x040           // 8253 Timer #1
 #define TIMER_FREQ      1193182

--- a/kernel.h
+++ b/kernel.h
@@ -132,6 +132,7 @@ pme_t *         walkpgdir(pml4e_t*, const void*, int);
 // hz.c
 void            microdelay(u64);
 u64             nsectime(void);
+void            inithz(void);
 // ide.c
 void            ideinit(void);
@@ -351,3 +352,30 @@ void            initcilkframe(struct cilkframe *wq);
 #define cilk_trywork() 0
 #define initcilkframe(x) do { } while (0)
 #endif
+// various init functions
+void initpic(void);
+void initioapic(void);
+void inituart(void);
+void initcga(void);
+void initconsole(void);
+void initpg(void);
+void initmp(void);
+void initlapic(void);
+void inittls(void);
+void inittrap(void);
+void initseg(void);
+void initkalloc(u64 mbaddr);
+void initrcu(void);
+void initproc(void);
+void initbio(void);
+void initinode(void);
+void initdisk(void);
+void inituser(void);
+void initcilk(void);
+void initsamp(void);
+void initpci(void);
+void initnet(void);
+void initsched(void);
+void initlockstat(void);
--- a/main.c
+++ b/main.c
@@ -4,32 +4,6 @@
 #include "cpu.h"
 #include "amd64.h"
-extern void initpic(void);
-extern void initioapic(void);
-extern void inituart(void);
-extern void initcga(void);
-extern void initconsole(void);
-extern void initpg(void);
-extern void initmp(void);
-extern void initlapic(void);
-extern void inittls(void);
-extern void inittrap(void);
-extern void initseg(void);
-extern void initkalloc(u64 mbaddr);
-extern void initrcu(void);
-extern void initproc(void);
-extern void initbio(void);
-extern void initinode(void);
-extern void initdisk(void);
-extern void inituser(void);
-extern void inithz(void);
-extern void initcilk(void);
-extern void initsamp(void);
-extern void initpci(void);
-extern void initnet(void);
-extern void initsched(void);
-extern void initlockstat(void);
 static volatile int bstate;
 void

--- a/memide.c
+++ b/memide.c
 // Fake IDE disk; stores blocks in memory.
 // Useful for running kernel without scratch disk.
+extern "C" {
 #include "types.h"
 #include "mmu.h"
 #include "kernel.h"
@@ -11,6 +12,7 @@
 #include "amd64.h"
 #include "traps.h"
 #include "buf.h"
+}
 extern u8 _fs_img_start[];
 extern u64 _fs_img_size;

--- a/pci.c
+++ b/pci.c
+extern "C" {
 #include "types.h"
 #include "amd64.h"
 #include "kernel.h"
 #include "pci.h"
 #include "pcireg.h"
+}
 extern int e1000attach(struct pci_func *pcif);
 extern int e1000eattach(struct pci_func *pcif);
@@ -45,26 +47,26 @@ struct pci_driver pci_attach_vendor[] = {
 static const char *pci_class[] =
 {
-  [0x0] = "Unknown",
+  "Unknown",
-  [0x1] = "Storage controller",
+  "Storage controller",
-  [0x2] = "Network controller",
+  "Network controller",
-  [0x3] = "Display controller",
+  "Display controller",
-  [0x4] = "Multimedia device",
+  "Multimedia device",
-  [0x5] = "Memory controller",
+  "Memory controller",
-  [0x6] = "Bridge device",
+  "Bridge device",
 };
 static void
 pci_print_func(struct pci_func *f)
 {
-  const char *class = pci_class[0];
+  const char *classname = pci_class[0];
  if (PCI_CLASS(f->dev_class) < sizeof(pci_class) / sizeof(pci_class[0]))
-    class = pci_class[PCI_CLASS(f->dev_class)];
+    classname = pci_class[PCI_CLASS(f->dev_class)];
  cprintf("PCI: %x:%x.%d: %x:%x: class: %x.%x (%s) irq: %d\n",
          f->bus->busno, f->dev, f->func,
          PCI_VENDOR(f->dev_id), PCI_PRODUCT(f->dev_id),
-          PCI_CLASS(f->dev_class), PCI_SUBCLASS(f->dev_class), class,
+          PCI_CLASS(f->dev_class), PCI_SUBCLASS(f->dev_class), classname,
          f->irq_line);
 }