/* SCCSID @(#)common.h	1.4 12/3/97 */ /************************************************************ * common.h contains general definitions and global variables * declaration, always include as 1st header in all files ************************************************************/#ifndef _COMMON_H_ #define _COMMON_H_/* * **************** General Definitions **************** */#ifdef MAIN#define GBLDEF(name,value)      name = value#define GBLDEF_0(name,value)      name#else#define GBLDEF(name,value)      extern name#define GBLDEF_0(name,value)    extern name#endif#ifndef FAKEregister int reg0 asm("r0");#endif#define cat2(i,j)       i##j#define cat3(i,j,k)     i##j##k#define max2(a,b)	((a)>(b)?(a):(b))#define max3(a,b,c)	max2(max2(a,b),c)#ifndef FAKE#define PROTECT(a)      do {mvd[riface_irqsuppress] = 0;\			asm("nop"); asm("nop"); a;} while (0)register volatile int *mvd asm("r27");#else#define PROTECT(a)      (a)#define dram(a)         (a)#define dram_cached(a)  (a)#endif/************************************************************ * addressing conversion goodies. * a2x, a2y pair convert linear address to components used in dmax and dmay. * xy2a convert a 2d coordinate(x,y) with width to a linear address. * placed here because both riscbus.h and vp.h shares it. ************************************************************/#define	a2x(a)	((a) & 0x1ff)#define	a2y(a)	((a) >> 9)#define xy2a(x,y,width) ((y)*(width)+(x))/************************************************************ * for portability reason ************************************************************/#define uchar	unsigned char#define ushort	unsigned short#define uint	unsigned/************************************************************ * classifier for public functions ************************************************************/#define EXPORT    	extern#define IMPORT          extern#define PUBLIC#define	PRIVATE		static#define GLBTIMER 1#define CODEIR   2#define TIMERHIT 3#define VBV_START 4extern int mvd_version;extern unsigned int get_global_variable();typedef void           (*PFV)();       /* Pointer to func. returning   					*/#endif /* _COMMON_H_ */