| GuanXuetao | 79725df | 2011-01-15 18:15:01 +0800 | [diff] [blame] | 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 |