Previous commit was a blunder. This commit setups up Malloc proper and includes a working string concat.

2019-01-06 21:47:37 -06:00
parent 67bf4a355d
commit 657b716f77
9 changed files with 487 additions and 0 deletions
@@ -0,0 +1,34 @@
+#ifndef __PCI_H
+#define __PCI_H
+
+#include "system.h"
+
+	typedef struct DeviceDescriptor
+	{
+		uint32_t PortBase;
+		uint32_t Interrupt;
+		uint16_t Bus;
+		uint16_t Device;
+		uint16_t Function;
+
+		uint16_t VendorId;
+		uint16_t DeviceId;
+
+		uint8_t ClassId;
+		uint8_t SubClassId;
+		uint8_t InterfaceId;
+
+		uint8_t Revision;
+	};
+
+	uint32_t Read(uint16_t busNumber, uint16_t deviceNumber, uint16_t functionNumber, uint32_t registerOffset);
+
+	void Write(uint16_t busNumber, uint16_t deviceNumber, uint16_t functionNumber, uint32_t registerOffset, uint32_t value);
+
+	bool DeviceHasFunctions(uint16_t bus, uint16_t device);
+
+	void EnumPCISubsystem(void);
+
+	struct DeviceDescriptor GetDeviceDescriptor(uint16_t busNumber, uint16_t deviceNumber, uint16_t functionNumber);
+
+#endif