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 28 extern "C" { 29 #endif 30 31 #include <shared.h> 32 33 typedef unsigned int uint_t; 34 typedef unsigned long ulong_t; 35 36 #define BITX(u, h, l) (((u) >> (l)) & ((1lu << ((h) - (l) + 1lu)) - 1lu)) 37 38 #include <controlregs.h> 39 40 extern ulong_t amd64_get_cr2(void); 41 extern ulong_t amd64_get_cr0(void); 42 extern ulong_t amd64_get_cr3(void); 43 extern ulong_t amd64_get_cr4(void); 44 45 extern ulong_t amd64_get_eflags(void); 46 47 struct 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 58 extern uint32_t amd64_cpuid_supported(void); 59 extern void amd64_cpuid_insn(uint32_t, struct amd64_cpuid_regs *); 60 extern void amd64_rdmsr(uint32_t, uint64_t *); 61 extern void amd64_wrmsr(uint32_t, const uint64_t *); 62 extern int get_target_operating_mode(void); 63 64 #ifdef __cplusplus 65 } 66 #endif 67 68 #endif /* _AMD64_CPU */ 69