1 files changed, 26 insertions, 0 deletions
diff --git a/src/kernel/boot.h b/src/kernel/boot.h
new file mode 100644
index 0000000..b3d3e76
--- /dev/null
+++ b/src/kernel/boot.h
@@ -0,0 +1,26 @@
+#ifndef BOOT_H
+#define BOOT_H
+
+#include <stdint.h>
+
+enum {
+  BIS_PCI = 0x80
+};
+
+enum {
+  PHC_CS_M1 = 0x01,
+  PHC_CS_M2 = 0x02,
+  PHC_SC_M1 = 0x10,
+  PHC_SC_M2 = 0x20
+};
+
+#define BOOT_INFO \
+  ((struct { \
+    uint8_t support_flags; \
+    uint8_t pci_hw_char; \
+    uint8_t pci_minor_bcd; \
+    uint8_t pci_major_bcd; \
+    uint8_t last_pci_bus; \
+  } __attribute__ ((__packed__)) *)0x4000)
+
+#endif
+\ No newline at end of file