[1141c1a] | 1 | /*
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[df4ed85] | 2 | * Copyright (c) 2001-2004 Jakub Jermar
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[1141c1a] | 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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[1bb2e7a] | 29 | /** @addtogroup amd64
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[b45c443] | 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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[06e1e95] | 35 | #ifndef KERN_amd64_CPU_H_
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| 36 | #define KERN_amd64_CPU_H_
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[1141c1a] | 37 |
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[586cd56] | 38 | #define RFLAGS_CF (1 << 0)
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| 39 | #define RFLAGS_PF (1 << 2)
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| 40 | #define RFLAGS_AF (1 << 4)
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| 41 | #define RFLAGS_ZF (1 << 6)
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| 42 | #define RFLAGS_SF (1 << 7)
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| 43 | #define RFLAGS_TF (1 << 8)
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| 44 | #define RFLAGS_IF (1 << 9)
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| 45 | #define RFLAGS_DF (1 << 10)
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| 46 | #define RFLAGS_OF (1 << 11)
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| 47 | #define RFLAGS_RF (1 << 16)
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[89344d85] | 48 |
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| 49 | #define EFER_MSR_NUM 0xc0000080
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| 50 | #define AMD_SCE_FLAG 0
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| 51 | #define AMD_LME_FLAG 8
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| 52 | #define AMD_LMA_FLAG 10
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| 53 | #define AMD_FFXSR_FLAG 14
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| 54 | #define AMD_NXE_FLAG 11
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| 55 |
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[dd4d6b0] | 56 | /* MSR registers */
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| 57 | #define AMD_MSR_STAR 0xc0000081
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| 58 | #define AMD_MSR_LSTAR 0xc0000082
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| 59 | #define AMD_MSR_SFMASK 0xc0000084
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[281b607] | 60 | #define AMD_MSR_FS 0xc0000100
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[37b451f7] | 61 | #define AMD_MSR_GS 0xc0000101
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[dd4d6b0] | 62 |
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[89344d85] | 63 | #ifndef __ASM__
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| 64 |
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[1141c1a] | 65 | #include <arch/pm.h>
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| 66 |
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[f429331] | 67 | typedef struct {
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[1141c1a] | 68 | int vendor;
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| 69 | int family;
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| 70 | int model;
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| 71 | int stepping;
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[99d6fd0] | 72 | tss_t *tss;
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[2382d09] | 73 |
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[98000fb] | 74 | size_t iomapver_copy; /** Copy of TASK's I/O Permission bitmap generation count. */
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[f429331] | 75 | } cpu_arch_t;
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[1141c1a] | 76 |
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[49a39c2] | 77 | struct star_msr {
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| 78 | };
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| 79 |
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| 80 | struct lstar_msr {
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| 81 | };
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[1141c1a] | 82 |
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[89344d85] | 83 | extern void set_efer_flag(int flag);
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[7f1c620] | 84 | extern uint64_t read_efer_flag(void);
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[3396f59] | 85 | void cpu_setup_fpu(void);
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[89344d85] | 86 |
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| 87 | #endif /* __ASM__ */
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[1141c1a] | 88 |
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| 89 | #endif
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[b45c443] | 90 |
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[1bb2e7a] | 91 | /** @}
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[b45c443] | 92 | */
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