Handle tsc rollover.

[seabios.git] / src / pci.h

diff --git a/src/pci.h b/src/pci.h
index 6623fd93675951209ccd45532739d24ed380a7ea..a0b6b9c3e3c356ec5afefedda167550b73a31971 100644 (file)
--- a/src/pci.h
+++ b/src/pci.h
@@ -15,6 +15,9 @@ static inline u8 pci_bdf_to_dev(u16 bdf) {
 static inline u8 pci_bdf_to_fn(u16 bdf) {
     return bdf & 0x07;
 }
+static inline u16 pci_to_bdf(int bus, int dev, int fn) {
+    return (bus<<8) | (dev<<3) | fn;
+}
 
 void pci_config_writel(u16 bdf, u32 addr, u32 val);
 void pci_config_writew(u16 bdf, u32 addr, u16 val);
@@ -22,7 +25,9 @@ void pci_config_writeb(u16 bdf, u32 addr, u8 val);
 u32 pci_config_readl(u16 bdf, u32 addr);
 u16 pci_config_readw(u16 bdf, u32 addr);
 u8 pci_config_readb(u16 bdf, u32 addr);
+void pci_config_maskw(u16 bdf, u32 addr, u16 off, u16 on);
 
+int pci_find_vga();
 int pci_find_device(u16 vendid, u16 devid);
 int pci_find_class(u16 classid);
 
@@ -40,6 +45,8 @@ void create_pirtable();
  * PIR table
  ****************************************************************/
 
+extern u16 PirOffset;
+
 struct link_info {
     u8 link;
     u16 bitmap;