Move print stuff into seperate function

src/pci.c

@@ -6,14 +6,12 @@
 #include "pci.h"
 #include "pci.h"
 #include "serial.h"
 #include "serial.h"
 
 
-// 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)
+void pciSerialInfo(bus, device, function, offset)
 {
 {
     uint32_t address;
     uint32_t address;
     uint32_t lbus  = (uint32_t)bus;
     uint32_t lbus  = (uint32_t)bus;
     uint32_t lslot = (uint32_t)slot;
     uint32_t lslot = (uint32_t)slot;
     uint32_t lfunc = (uint32_t)func;
     uint32_t lfunc = (uint32_t)func;
-
     address = (uint32_t)((lbus << 16) |
     address = (uint32_t)((lbus << 16) |
                          (lslot << 11) |
                          (lslot << 11) |
                          (lfunc << 8) |
                          (lfunc << 8) |
@@ -21,10 +19,8 @@ uint32_t pciConfigReadWord(uint8_t bus, uint8_t slot, uint8_t func, uint8_t offs
                          ((uint32_t)0x80000000));
                          ((uint32_t)0x80000000));
     outl(PCI_CONFIG_ACCESS, address);
     outl(PCI_CONFIG_ACCESS, address);
 
 
-    // return the contents of the address clipped
     uint32_t data = inl(PCI_CONFIG_DATA);
     uint32_t data = inl(PCI_CONFIG_DATA);
-    if (data != -1)
-    {
+
     serial_writestring("address 0x");
     serial_writestring("address 0x");
     serial_hexword(address);
     serial_hexword(address);
     serial_writestring(" returned 0x");
     serial_writestring(" returned 0x");
@@ -38,7 +34,25 @@ uint32_t pciConfigReadWord(uint8_t bus, uint8_t slot, uint8_t func, uint8_t offs
     serial_writestring(" with offset ");
     serial_writestring(" with offset ");
     serial_hexbyte(offset);
     serial_hexbyte(offset);
     serial_writechar('\n');
     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)
+{
+    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);
+
+    // return the contents of the address clipped
+    uint32_t data = inl(PCI_CONFIG_DATA);
     return data;
     return data;
 }
 }