PCI_BAR_IOBASE() macro for bit extraction

2025-11-29 00:19:02 +01:00
parent 436f29bec9
commit 3183117718
2 changed files with 3 additions and 1 deletions
--- a/kernel/pci/pci.h
+++ b/kernel/pci/pci.h
@@ -48,6 +48,8 @@ typedef union {
 #define PCI_DEV_PER_BUS   32
 #define PCI_FN_PER_DEV    32

+#define PCI_BAR_IOBASE(bar) ((bar) & 0xFFFFFFFC)
+
 uint32_t pci_read32(PciDev dev, uint32_t field);
 uint16_t pci_read16(PciDev dev, uint32_t field);
 uint8_t pci_read8(PciDev dev, uint32_t field);