Fix vga-overlay so that it doesn't cause disasters when it does an immediate-flush...

[netwatch.git] / pci / pci-raw.c

diff --git a/pci/pci-raw.c b/pci/pci-raw.c
index 1d59208981e263cadc22345f3b22b5e4b2f100c3..f6448b8ccbc9bd65114a2c1a114f8bb95400d46a 100644 (file)
--- a/pci/pci-raw.c
+++ b/pci/pci-raw.c
@@ -4,7 +4,7 @@
 
 static void __pci_config(int bus, int slot, int fn, int addr)
 {
 
 static void __pci_config(int bus, int slot, int fn, int addr)
 {

-       outl(0xCF8, 0x80000000ULL | (bus << 16) | (slot << 11) | (fn << 8) | addr);
+       outl(0xCF8, 0x80000000ULL | (bus << 16) | (slot << 11) | (fn << 8) | (addr & ~3));

 }
 
 void pci_write32(int bus, int slot, int fn, int addr, uint32_t data)
 }
 
 void pci_write32(int bus, int slot, int fn, int addr, uint32_t data)


@@ -34,11 +34,11 @@ uint32_t pci_read32(int bus, int slot, int fn, int addr)
 uint16_t pci_read16(int bus, int slot, int fn, int addr)
 {
        __pci_config(bus, slot, fn, addr);
 uint16_t pci_read16(int bus, int slot, int fn, int addr)
 {
        __pci_config(bus, slot, fn, addr);

-       return inw(0xCFC);
+       return inw(0xCFC + (addr & 2));

 }
 
 uint8_t pci_read8(int bus, int slot, int fn, int addr)
 {
        __pci_config(bus, slot, fn, addr);
 }
 
 uint8_t pci_read8(int bus, int slot, int fn, int addr)
 {
        __pci_config(bus, slot, fn, addr);

-       return inb(0xCFC);
+       return inb(0xCFC + (addr & 3));

 }
 }