| Thomas Heijligen | b3287b4 | 2021-12-14 17:25:49 +0100 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the flashrom project. |
| 3 | * |
| 4 | * Copyright (C) 2009 Carl-Daniel Hailfinger |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 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 | |
| 16 | #ifndef __HWACCESS_X86_MSR_H__ |
| 17 | #define __HWACCESS_X86_MSR_H__ 1 |
| 18 | |
| 19 | #include <stdint.h> |
| 20 | |
| 21 | #if !(defined(__MACH__) && defined(__APPLE__)) && !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) && !defined(__DragonFly__) && !defined(__LIBPAYLOAD__) |
| 22 | typedef struct { uint32_t hi, lo; } msr_t; |
| 23 | msr_t rdmsr(int addr); |
| 24 | int wrmsr(int addr, msr_t msr); |
| 25 | #endif |
| 26 | |
| 27 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) |
| 28 | /* FreeBSD already has conflicting definitions for wrmsr/rdmsr. */ |
| 29 | #undef rdmsr |
| 30 | #undef wrmsr |
| 31 | #define rdmsr freebsd_rdmsr |
| 32 | #define wrmsr freebsd_wrmsr |
| 33 | typedef struct { uint32_t hi, lo; } msr_t; |
| 34 | msr_t freebsd_rdmsr(int addr); |
| 35 | int freebsd_wrmsr(int addr, msr_t msr); |
| 36 | #endif |
| 37 | |
| 38 | #if defined(__LIBPAYLOAD__) |
| 39 | #include <arch/io.h> |
| 40 | #include <arch/msr.h> |
| 41 | typedef struct { uint32_t hi, lo; } msr_t; |
| 42 | msr_t libpayload_rdmsr(int addr); |
| 43 | int libpayload_wrmsr(int addr, msr_t msr); |
| 44 | #undef rdmsr |
| 45 | #define rdmsr libpayload_rdmsr |
| 46 | #define wrmsr libpayload_wrmsr |
| 47 | #endif |
| 48 | |
| 49 | int setup_cpu_msr(int cpu); |
| 50 | void cleanup_cpu_msr(void); |
| 51 | |
| 52 | #endif /* __HWACCESS_X86_MSR_H__ */ |