Move print stuff into seperate function

src/pci.c

@@ -6,6 +6,36 @@
 #include "pci.h"
 #include "serial.h"
 
+void pciSerialInfo(bus, device, function, offset)
+{
+    uint32_t address;
+    uint32_t lbus  = (uint32_t)bus;
+    uint32_t lslot = (uint32_t)slot;
+    uint32_t lfunc = (uint32_t)func;
+    address = (uint32_t)((lbus << 16) |
+                         (lslot << 11) |
+                         (lfunc << 8) |
+                         (offset & 0xfc) |
+                         ((uint32_t)0x80000000));
+    outl(PCI_CONFIG_ACCESS, address);
+
+    uint32_t data = inl(PCI_CONFIG_DATA);
+
+    serial_writestring("address 0x");
+    serial_hexword(address);
+    serial_writestring(" returned 0x");
+    serial_hexword(data);
+    serial_writestring(" on bus ");
+    serial_hexbyte(bus);
+    serial_writestring(" device ");
+    serial_hexbyte(slot);
+    serial_writestring(" function ");
+    serial_hexbyte(func);
+    serial_writestring(" with offset ");
+    serial_hexbyte(offset);
+    serial_writechar('\n');
+}
+
 // reads a word from the io port using the pci addressing scheme
 uint32_t pciConfigReadWord(uint8_t bus, uint8_t slot, uint8_t func, uint8_t offset)
 {
@@ -23,22 +53,6 @@ uint32_t pciConfigReadWord(uint8_t bus, uint8_t slot, uint8_t func, uint8_t offs
 
     // return the contents of the address clipped
     uint32_t data = inl(PCI_CONFIG_DATA);
-    if (data != -1)
-    {
-        serial_writestring("address 0x");
-        serial_hexword(address);
-        serial_writestring(" returned 0x");
-        serial_hexword(data);
-        serial_writestring(" on bus ");
-        serial_hexbyte(bus);
-        serial_writestring(" device ");
-        serial_hexbyte(slot);
-        serial_writestring(" function ");
-        serial_hexbyte(func);
-        serial_writestring(" with offset ");
-        serial_hexbyte(offset);
-        serial_writechar('\n');
-    }
     return data;
 }