1/*
2 *  GRUB  --  GRand Unified Bootloader
3 *  Copyright (C) 2006  Free Software Foundation, Inc.
4 *
5 *  This program is free software; you can redistribute it and/or modify
6 *  it under the terms of the GNU General Public License as published by
7 *  the Free Software Foundation; either version 2 of the License, or
8 *  (at your option) any later version.
9 *
10 *  This program is distributed in the hope that it will be useful,
11 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 *  GNU General Public License for more details.
14 *
15 *  You should have received a copy of the GNU General Public License
16 *  along with this program; if not, write to the Free Software
17 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19/*
20 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
21 * Use is subject to license terms.
22 */
23
24#ifndef	_AMD64_CPU
25#define	_AMD64_CPU
26
27#ifdef	__cplusplus
28extern "C" {
29#endif
30
31#include <shared.h>
32
33typedef unsigned int    uint_t;
34typedef unsigned long ulong_t;
35
36#define BITX(u, h, l)   (((u) >> (l)) & ((1lu << ((h) - (l) + 1lu)) - 1lu))
37
38#include <controlregs.h>
39
40extern ulong_t amd64_get_cr2(void);
41extern ulong_t amd64_get_cr0(void);
42extern ulong_t amd64_get_cr3(void);
43extern ulong_t amd64_get_cr4(void);
44
45extern ulong_t amd64_get_eflags(void);
46
47struct amd64_cpuid_regs {
48	uint32_t r_eax;
49	uint32_t r_ebx;
50	uint32_t r_ecx;
51	uint32_t r_edx;
52};
53
54#define	AMD64_Auth	0x68747541
55#define	AMD64_enti	0x69746e65
56#define	AMD64_cAMD	0x444d4163
57
58extern uint32_t amd64_cpuid_supported(void);
59extern void amd64_cpuid_insn(uint32_t, struct amd64_cpuid_regs *);
60extern void amd64_rdmsr(uint32_t, uint64_t *);
61extern void amd64_wrmsr(uint32_t, const uint64_t *);
62extern int get_target_operating_mode(void);
63
64#ifdef	__cplusplus
65}
66#endif
67
68#endif	/* _AMD64_CPU */
69