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50720a4b0b
Allow x86 msr related code to be compiled independent from memory mapping functionality. This enables for a better selection of needed hardware access types. Change-Id: Idc9ce9df3ea1e291ad469de59467646b294119c4 Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.com> Reviewed-on: https://review.coreboot.org/c/flashrom/+/60111 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright (C) 2009 Carl-Daniel Hailfinger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __HWACCESS_X86_MSR_H__
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#define __HWACCESS_X86_MSR_H__ 1
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#include <stdint.h>
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#if !(defined(__MACH__) && defined(__APPLE__)) && !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) && !defined(__DragonFly__) && !defined(__LIBPAYLOAD__)
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typedef struct { uint32_t hi, lo; } msr_t;
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msr_t rdmsr(int addr);
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int wrmsr(int addr, msr_t msr);
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#endif
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
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/* FreeBSD already has conflicting definitions for wrmsr/rdmsr. */
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#undef rdmsr
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#undef wrmsr
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#define rdmsr freebsd_rdmsr
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#define wrmsr freebsd_wrmsr
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typedef struct { uint32_t hi, lo; } msr_t;
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msr_t freebsd_rdmsr(int addr);
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int freebsd_wrmsr(int addr, msr_t msr);
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#endif
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#if defined(__LIBPAYLOAD__)
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#include <arch/io.h>
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#include <arch/msr.h>
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typedef struct { uint32_t hi, lo; } msr_t;
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msr_t libpayload_rdmsr(int addr);
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int libpayload_wrmsr(int addr, msr_t msr);
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#undef rdmsr
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#define rdmsr libpayload_rdmsr
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#define wrmsr libpayload_wrmsr
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#endif
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int setup_cpu_msr(int cpu);
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void cleanup_cpu_msr(void);
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#endif /* __HWACCESS_X86_MSR_H__ */ |