1 /*
2  * linux/arch/unicore32/include/asm/cputype.h
3  *
4  * Code specific to PKUnity SoC and UniCore ISA
5  *
6  * Copyright (C) 2001-2010 GUAN Xue-tao
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 #ifndef __UNICORE_CPUTYPE_H__
13 #define __UNICORE_CPUTYPE_H__
14 
15 #include <linux/stringify.h>
16 
17 #define CPUID_CPUID	0
18 #define CPUID_CACHETYPE	1
19 
20 #define read_cpuid(reg)							\
21 	({								\
22 		unsigned int __val;					\
23 		asm("movc	%0, p0.c0, #" __stringify(reg)		\
24 		    : "=r" (__val)					\
25 		    :							\
26 		    : "cc");						\
27 		__val;							\
28 	})
29 
30 #define uc32_cpuid		read_cpuid(CPUID_CPUID)
31 #define uc32_cachetype		read_cpuid(CPUID_CACHETYPE)
32 
33 #endif
34