src/include/cpu/amd/amd64_save_state.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __AMD64_SAVE_STATE_H__
   4 #define __AMD64_SAVE_STATE_H__
   5 #endif
   6
   7 #include <types.h>
   8 #include <cpu/x86/smm.h>
   9
  10 /* AMD64 x86 SMM State-Save Area
  11  * starts @ 0x7e00
  12  */
  13 #define SMM_AMD64_ARCH_OFFSET 0x7e00
  14 #define SMM_AMD64_SAVE_STATE_OFFSET \
  15         SMM_SAVE_STATE_BEGIN(SMM_AMD64_ARCH_OFFSET)
  16 typedef struct {
  17         u16     es_selector;
  18         u16     es_attributes;
  19         u32     es_limit;
  20         u64     es_base;
  21
  22         u16     cs_selector;
  23         u16     cs_attributcs;
  24         u32     cs_limit;
  25         u64     cs_base;
  26
  27         u16     ss_selector;
  28         u16     ss_attributss;
  29         u32     ss_limit;
  30         u64     ss_base;
  31
  32         u16     ds_selector;
  33         u16     ds_attributds;
  34         u32     ds_limit;
  35         u64     ds_base;
  36
  37         u16     fs_selector;
  38         u16     fs_attributfs;
  39         u32     fs_limit;
  40         u64     fs_base;
  41
  42         u16     gs_selector;
  43         u16     gs_attributgs;
  44         u32     gs_limit;
  45         u64     gs_base;
  46
  47         u8      reserved0[4];
  48         u16     gdtr_limit;
  49         u8      reserved1[2];
  50         u64     gdtr_base;
  51
  52         u16     ldtr_selector;
  53         u16     ldtr_attributes;
  54         u32     ldtr_limit;
  55         u64     ldtr_base;
  56
  57         u8      reserved2[4];
  58         u16     idtr_limit;
  59         u8      reserved3[2];
  60         u64     idtr_base;
  61
  62         u16     tr_selector;
  63         u16     tr_attributes;
  64         u32     tr_limit;
  65         u64     tr_base;
  66
  67         u64     io_restart_rip;
  68         u64     io_restart_rcx;
  69         u64     io_restart_rsi;
  70         u64     io_restart_rdi;
  71         u32     smm_io_trap_offset;
  72         u32     local_smi_status;
  73
  74         u8      io_restart;
  75         u8      autohalt_restart;
  76
  77         u8      reserved5[6];
  78
  79         u64     efer;
  80
  81         u8      reserved6[36];
  82
  83         u32     smm_revision;
  84         u32     smbase;
  85
  86         u8      reserved7[68];
  87
  88         u64     cr4;
  89         u64     cr3;
  90         u64     cr0;
  91         u64     dr7;
  92         u64     dr6;
  93
  94         u64     rflags;
  95         u64     rip;
  96         u64     r15;
  97         u64     r14;
  98         u64     r13;
  99         u64     r12;
 100         u64     r11;
 101         u64     r10;
 102         u64     r9;
 103         u64     r8;
 104
 105         u64     rdi;
 106         u64     rsi;
 107         u64     rpb;
 108         u64     rsp;
 109         u64     rbx;
 110         u64     rdx;
 111         u64     rcx;
 112         u64     rax;
 113 } __packed amd64_smm_state_save_area_t;