X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/a89063b334fdc0b254f0791fca1812354049b86d..af2b981c4cc6f8e4b7050f0401dc225606836ca0:/lunaix-os/hal/pci.c

diff --git a/lunaix-os/hal/pci.c b/lunaix-os/hal/pci.c
index 32299cd..c3771d5 100644
--- a/lunaix-os/hal/pci.c
+++ b/lunaix-os/hal/pci.c
@@ -1,3 +1,13 @@
+/**
+ * @file pci.c
+ * @author Lunaixsky (zelong56@gmail.com)
+ * @brief A software implementation of PCI Local Bus Specification Revision 3.0
+ * @version 0.1
+ * @date 2022-06-28
+ *
+ * @copyright Copyright (c) 2022
+ *
+ */
 #include <hal/acpi/acpi.h>
 #include <hal/apic.h>
 #include <hal/pci.h>
@@ -156,6 +166,7 @@ pci_bar_sizing(struct pci_device* dev, uint32_t* bar_out, uint32_t bar_num)
         sized = PCI_BAR_ADDR_MM(sized);
     }
     *bar_out = bar;
+    pci_write_cspace(dev->cspace_base, PCI_REG_BAR(bar_num), bar);
     return ~sized + 1;
 }