Kernel: PCIDevice stores its vendor id and device id

2023-10-16 01:39:14 +03:00
parent 29db8d0d40
commit 73b9c28457
2 changed files with 14 additions and 0 deletions
--- a/kernel/kernel/PCI.cpp
+++ b/kernel/kernel/PCI.cpp
@@ -337,6 +337,15 @@ namespace Kernel::PCI
 		m_prog_if     = read_byte(0x09);
 		m_header_type = read_byte(0x0E);

+		uint32_t device = read_dword(0x00);
+		m_vendor_id = device & 0xFFFF;
+		m_device_id = device >> 16;
+
+		dprintln("PCI {2H}:{2H}.{2H} has {2H}.{2H}.{2H}",
+			m_bus, m_dev, m_func,
+			m_class_code, m_subclass, m_prog_if
+		);
+
 		enumerate_capabilites();
 	}