add system time, clean up pci into pci.sys, clean up syscall names, fix USERAPC1 typo

code/drivers/bus/pci/pci.h

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <ntlite/ddi/pci.h>
+
+#define PCI_MAX_BARS 6u
+
+#define PCI_VENDOR_INVALID 0xFFFFu
+
+#define PCI_REG_VENDOR_DEVICE       0x00u
+#define PCI_REG_COMMAND_STATUS      0x04u
+#define PCI_REG_REVISION_CLASS      0x08u
+#define PCI_REG_HEADER_TYPE         0x0Cu
+#define PCI_REG_BAR0                0x10u
+#define PCI_REG_SUBSYSTEM           0x2Cu
+#define PCI_REG_CAP_PTR             0x34u
+#define PCI_REG_INTERRUPT_LINE_PIN  0x3Cu
+
+#define PCI_COMMAND_IO_SPACE        0x0001u
+#define PCI_COMMAND_MEMORY_SPACE    0x0002u
+#define PCI_COMMAND_BUS_MASTER      0x0004u
+#define PCI_COMMAND_INTX_DISABLE    0x0400u
+
+#define PCI_HEADER_TYPE_MASK        0x7Fu
+#define PCI_HEADER_TYPE_MULTI       0x80u
+
+#define PCI_STATUS_CAP_LIST         0x0010u
+
+#define PCI_CAP_ID_MSI              0x05u
+#define PCI_CAP_ID_MSIX             0x11u
+
+#define PCI_MSI_CTRL_ENABLE         0x0001u
+#define PCI_MSI_CTRL_MME_MASK       0x0070u
+#define PCI_MSI_CTRL_64BIT          0x0080u
+#define PCI_MSI_CTRL_PVM            0x0100u
+
+#define PCI_MSI_ADDRESS_BASE        0xFEE00000u
+#define PCI_IRQ_VECTOR_BASE         0x20u
+
+typedef struct PCI_PDO_EXTENSION {
+    PCI_DEVICE_INFO Info;
+    PCI_BAR         Bars[PCI_MAX_BARS];
+    uint8_t         CapabilityOffset;
+} PCI_PDO_EXTENSION;