WebSVN – HelenOS – Diff – /branches/dynload/kernel/arch/ia64/include/cpu.h


/*
 * 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>
#include <arch/bootinfo.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;
}
 
 
#define CR64_ID_SHIFT 24
#define CR64_ID_MASK 0xff000000
#define CR64_EID_SHIFT 16
#define CR64_EID_MASK 0xff0000
 
static inline int ia64_get_cpu_id(void)
{
    uint64_t cr64=cr64_read();
    return ((CR64_ID_MASK)&cr64)>>CR64_ID_SHIFT;
}
 
static inline int ia64_get_cpu_eid(void)
{
    uint64_t cr64=cr64_read();
    return ((CR64_EID_MASK)&cr64)>>CR64_EID_SHIFT;
}
 
 
 
static inline void ipi_send_ipi(int id,int eid,int intno)
{
    (bootinfo->sapic)[2*(id*256+eid)]=intno;
    srlz_d();
 
}
 
 
 
#endif
 
/** @}
 */
 

Rev 3588	Rev 3674
1	/*	1	/*
2	* Copyright (c) 2005 Jakub Jermar	2	* Copyright (c) 2005 Jakub Jermar
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 ia64	29	/** @addtogroup ia64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef KERN_ia64_CPU_H_	35	#ifndef KERN_ia64_CPU_H_
36	#define KERN_ia64_CPU_H_	36	#define KERN_ia64_CPU_H_
37		37
38	#include <arch/types.h>	38	#include <arch/types.h>
39	#include <arch/register.h>	39	#include <arch/register.h>
40	#include <arch/asm.h>	40	#include <arch/asm.h>
41	#include <arch/bootinfo.h>	41	#include <arch/bootinfo.h>
42		42
43	#define FAMILY_ITANIUM 0x7	43	#define FAMILY_ITANIUM 0x7
44	#define FAMILY_ITANIUM2 0x1f	44	#define FAMILY_ITANIUM2 0x1f
45		45
46	typedef struct {	46	typedef struct {
47	uint64_t cpuid0;	47	uint64_t cpuid0;
48	uint64_t cpuid1;	48	uint64_t cpuid1;
49	cpuid3_t cpuid3;	49	cpuid3_t cpuid3;
50	} cpu_arch_t;	50	} cpu_arch_t;
51		51
52	/** Read CPUID register.	52	/** Read CPUID register.
53	*	53	*
54	* @param n CPUID register number.	54	* @param n CPUID register number.
55	*	55	*
56	* @return Value of CPUID[n] register.	56	* @return Value of CPUID[n] register.
57	*/	57	*/
58	static inline uint64_t cpuid_read(int n)	58	static inline uint64_t cpuid_read(int n)
59	{	59	{
60	uint64_t v;	60	uint64_t v;
61		61
62	asm volatile ("mov %0 = cpuid[%1]\n" : "=r" (v) : "r" (n));	62	asm volatile ("mov %0 = cpuid[%1]\n" : "=r" (v) : "r" (n));
63		63
64	return v;	64	return v;
65	}	65	}
66		66
67		67
68	#define CR64_ID_SHIFT 24	68	#define CR64_ID_SHIFT 24
69	#define CR64_ID_MASK 0xff000000	69	#define CR64_ID_MASK 0xff000000
70	#define CR64_EID_SHIFT 16	70	#define CR64_EID_SHIFT 16
71	#define CR64_EID_MASK 0xff0000	71	#define CR64_EID_MASK 0xff0000
72		72
73	static inline int ia64_get_cpu_id(void)	73	static inline int ia64_get_cpu_id(void)
74	{	74	{
75	uint64_t cr64=cr64_read();	75	uint64_t cr64=cr64_read();
76	return ((CR64_ID_MASK)&cr64)>>CR64_ID_SHIFT;	76	return ((CR64_ID_MASK)&cr64)>>CR64_ID_SHIFT;
77	}	77	}
78		78
79	static inline int ia64_get_cpu_eid(void)	79	static inline int ia64_get_cpu_eid(void)
80	{	80	{
81	uint64_t cr64=cr64_read();	81	uint64_t cr64=cr64_read();
82	return ((CR64_EID_MASK)&cr64)>>CR64_EID_SHIFT;	82	return ((CR64_EID_MASK)&cr64)>>CR64_EID_SHIFT;
83	}	83	}
84		84
85		85
86		86
87	static inline void ipi_send_ipi(int id,int eid,int intno)	87	static inline void ipi_send_ipi(int id,int eid,int intno)
88	{	88	{
89	(bootinfo->sapic)[2(id256+eid)]=intno;	89	(bootinfo->sapic)[2(id256+eid)]=intno;
-		90	srlz_d();
-		91
90	}	92	}
91		93
92		94
93		95
94	#endif	96	#endif
95		97
96	/** @}	98	/** @}
97	*/	99	*/
98		100

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(root)/branches/dynload/kernel/arch/ia64/include/cpu.h – Rev 3588 → 3674