0,0 → 1,69 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
|
#ifndef KERN_ia64_CPU_H_ |
#define KERN_ia64_CPU_H_ |
|
#include <arch/types.h> |
#include <arch/register.h> |
#include <arch/asm.h> |
|
#define FAMILY_ITANIUM 0x7 |
#define FAMILY_ITANIUM2 0x1f |
|
typedef struct { |
uint64_t cpuid0; |
uint64_t cpuid1; |
cpuid3_t cpuid3; |
} cpu_arch_t; |
|
/** Read CPUID register. |
* |
* @param n CPUID register number. |
* |
* @return Value of CPUID[n] register. |
*/ |
static inline uint64_t cpuid_read(int n) |
{ |
uint64_t v; |
|
asm volatile ("mov %0 = cpuid[%1]\n" : "=r" (v) : "r" (n)); |
|
return v; |
} |
|
#endif |
|
/** @} |
*/ |