initial commit!

libs/libgccvb/hw.h

@@ -0,0 +1,28 @@
+#ifndef _LIBGCCVB_HW_H
+#define _LIBGCCVB_HW_H
+
+
+#include "types.h"
+
+
+extern u8* const HW_REGS;
+
+/***** Hardware Register Mnemonics *****/
+#define	CCR		0x00	// Communication Control Register	(0x0200 0000)
+#define	CCSR	0x04	// COMCNT Control Register			(0x0200 0004)
+#define	CDTR	0x08	// Transmitted Data Register		(0x0200 0008)
+#define	CDRR	0x0C	// Received Data Register			(0x0200 000C)
+#define	SDLR	0x10	// Serial Data Low Register			(0x0200 0010)
+#define	SDHR	0x14	// Serial Data High Register		(0x0200 0014)
+#define	TLR		0x18	// Timer Low Register				(0x0200 0018)
+#define	THR		0x1C	// Timer High Register				(0x0200 001C)
+#define	TCR		0x20	// Timer Control Register			(0x0200 0020)
+#define	WCR		0x24	// Wait-state Control Register		(0x0200 0024)
+#define	SCR		0x28	// Serial Control Register			(0x0200 0028)
+
+/********Cache Management***************/
+#define CACHE_ENABLE	asm("mov 2,r1 \n  ldsr r1,sr24": /* No Output */: /* No Input */: "r1" /* Reg r1 Used */) 
+#define CACHE_DISABLE	asm("ldsr r0,sr24")
+
+
+#endif