WebSVN – HelenOS – Diff – /branches/sparc/kernel/arch/sparc64/include/cpu_family.h


/*
 * Copyright (c) 2008 Pavel Rimsky
 * 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 sparc64
 * @{
 */
/** @file
 */
 
#ifndef KERN_sparc64_CPU_FAMILY_H_
#define KERN_sparc64_CPU_FAMILY_H_
 
#include <arch.h>
#include <cpu.h>
#include <arch/register.h>
#include <arch/asm.h>
#include <arch/cpu.h>
 
/**
 * Find the processor (sub)family.
 *
 * @return  true iff the CPU belongs to the US family
 */
static inline bool is_us(void)
{
    int impl = ((ver_reg_t) ver_read()).impl;
    return (impl == IMPL_ULTRASPARCI) || (impl == IMPL_ULTRASPARCII) ||
           (impl == IMPL_ULTRASPARCII_I) ||  (impl == IMPL_ULTRASPARCII_E);
}
 
/**
 * Find the processor (sub)family.
 *
 * @return  true iff the CPU belongs to the US-III subfamily
 */
static inline bool is_us_iii(void)
{
    int impl = ((ver_reg_t) ver_read()).impl;
    return (impl == IMPL_ULTRASPARCIII) ||
           (impl == IMPL_ULTRASPARCIII_PLUS) ||
           (impl == IMPL_ULTRASPARCIII_I);
}
 
/**
 * Find the processor (sub)family.
 *
 * @return  true iff the CPU belongs to the US-IV subfamily
 */
static inline bool is_us_iv(void)
{
    int impl = ((ver_reg_t) ver_read()).impl;
    return (impl == IMPL_ULTRASPARCIV) || (impl == IMPL_ULTRASPARCIV_PLUS);
}
   
#endif
 
/** @}
 */
 

Subversion Repositories HelenOS

(root)/branches/sparc/kernel/arch/sparc64/include/cpu_family.h – Rev 3770 → 3862

Rev 3770		Rev 3862
1	/*	1	/*
2	* Copyright (c) 2008 Pavel Rimsky	2	* Copyright (c) 2008 Pavel Rimsky
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup sparc64	29	/** @addtogroup sparc64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef KERN_sparc64_CPU_FAMILY_H_	35	#ifndef KERN_sparc64_CPU_FAMILY_H_
36	#define KERN_sparc64_CPU_FAMILY_H_	36	#define KERN_sparc64_CPU_FAMILY_H_
37		37
38	#include <arch.h>	38	#include <arch.h>
39	#include <cpu.h>	39	#include <cpu.h>
40	#include <arch/register.h>	40	#include <arch/register.h>
41	#include <arch/asm.h>	41	#include <arch/asm.h>
42	#include <arch/sun4u/cpu.h>	42	#include <arch/cpu.h>
43		43
44	/**	44	/**
45	* Find the processor (sub)family.	45	* Find the processor (sub)family.
46	*	46	*
47	* @return true iff the CPU belongs to the US family	47	* @return true iff the CPU belongs to the US family
48	*/	48	*/
49	static inline bool is_us(void)	49	static inline bool is_us(void)
50	{	50	{
51	int impl = ((ver_reg_t) ver_read()).impl;	51	int impl = ((ver_reg_t) ver_read()).impl;
52	return (impl == IMPL_ULTRASPARCI) \|\| (impl == IMPL_ULTRASPARCII) \|\|	52	return (impl == IMPL_ULTRASPARCI) \|\| (impl == IMPL_ULTRASPARCII) \|\|
53	(impl == IMPL_ULTRASPARCII_I) \|\| (impl == IMPL_ULTRASPARCII_E);	53	(impl == IMPL_ULTRASPARCII_I) \|\| (impl == IMPL_ULTRASPARCII_E);
54	}	54	}
55		55
56	/**	56	/**
57	* Find the processor (sub)family.	57	* Find the processor (sub)family.
58	*	58	*
59	* @return true iff the CPU belongs to the US-III subfamily	59	* @return true iff the CPU belongs to the US-III subfamily
60	*/	60	*/
61	static inline bool is_us_iii(void)	61	static inline bool is_us_iii(void)
62	{	62	{
63	int impl = ((ver_reg_t) ver_read()).impl;	63	int impl = ((ver_reg_t) ver_read()).impl;
64	return (impl == IMPL_ULTRASPARCIII) \|\|	64	return (impl == IMPL_ULTRASPARCIII) \|\|
65	(impl == IMPL_ULTRASPARCIII_PLUS) \|\|	65	(impl == IMPL_ULTRASPARCIII_PLUS) \|\|
66	(impl == IMPL_ULTRASPARCIII_I);	66	(impl == IMPL_ULTRASPARCIII_I);
67	}	67	}
68		68
69	/**	69	/**
70	* Find the processor (sub)family.	70	* Find the processor (sub)family.
71	*	71	*
72	* @return true iff the CPU belongs to the US-IV subfamily	72	* @return true iff the CPU belongs to the US-IV subfamily
73	*/	73	*/
74	static inline bool is_us_iv(void)	74	static inline bool is_us_iv(void)
75	{	75	{
76	int impl = ((ver_reg_t) ver_read()).impl;	76	int impl = ((ver_reg_t) ver_read()).impl;
77	return (impl == IMPL_ULTRASPARCIV) \|\| (impl == IMPL_ULTRASPARCIV_PLUS);	77	return (impl == IMPL_ULTRASPARCIV) \|\| (impl == IMPL_ULTRASPARCIV_PLUS);
78	}	78	}
79		79
80	#endif	80	#endif
81		81
82	/** @}	82	/** @}
83	*/	83	*/
84		84