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1807 | decky | 1 | /* |
2 | * Copyright (C) 2006 Martin Decky |
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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 | |||
1952 | jermar | 29 | /** @addtogroup ia32xen |
1807 | decky | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
1952 | jermar | 35 | #ifndef KERN_ia32xen_BOOT_H_ |
36 | #define KERN_ia32xen_BOOT_H_ |
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1807 | decky | 37 | |
1813 | decky | 38 | #define GUEST_CMDLINE 1024 |
1952 | jermar | 39 | #define VIRT_CPUS 32 |
1813 | decky | 40 | #define START_INFO_SIZE 1104 |
1824 | decky | 41 | |
1810 | decky | 42 | #define BOOT_OFFSET 0x0000 |
1829 | decky | 43 | #define TEMP_STACK_SIZE 0x1000 |
44 | |||
1824 | decky | 45 | #define XEN_VIRT_START 0xFC000000 |
1829 | decky | 46 | #define XEN_CS 0xe019 |
1807 | decky | 47 | |
2014 | decky | 48 | #define XEN_ELFNOTE_INFO 0 |
49 | #define XEN_ELFNOTE_ENTRY 1 |
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50 | #define XEN_ELFNOTE_HYPERCALL_PAGE 2 |
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51 | #define XEN_ELFNOTE_VIRT_BASE 3 |
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52 | #define XEN_ELFNOTE_PADDR_OFFSET 4 |
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53 | #define XEN_ELFNOTE_XEN_VERSION 5 |
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54 | #define XEN_ELFNOTE_GUEST_OS 6 |
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55 | #define XEN_ELFNOTE_GUEST_VERSION 7 |
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56 | #define XEN_ELFNOTE_LOADER 8 |
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57 | #define XEN_ELFNOTE_PAE_MODE 9 |
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58 | #define XEN_ELFNOTE_FEATURES 10 |
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59 | #define XEN_ELFNOTE_BSD_SYMTAB 11 |
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60 | |||
1813 | decky | 61 | #ifndef __ASM__ |
62 | |||
1824 | decky | 63 | #define mp_map ((pfn_t *) XEN_VIRT_START) |
64 | |||
1831 | decky | 65 | #define SIF_PRIVILEGED (1 << 0) /**< Privileged domain */ |
66 | #define SIF_INITDOMAIN (1 << 1) /**< Iinitial control domain */ |
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67 | |||
1813 | decky | 68 | #include <arch/types.h> |
69 | |||
1824 | decky | 70 | typedef uint32_t evtchn_t; |
71 | |||
1813 | decky | 72 | typedef struct { |
1824 | decky | 73 | uint32_t version; |
74 | uint32_t pad0; |
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75 | uint64_t tsc_timestamp; /**< TSC at last update of time vals */ |
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76 | uint64_t system_time; /**< Time, in nanosecs, since boot */ |
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77 | uint32_t tsc_to_system_mul; |
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78 | int8_t tsc_shift; |
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79 | int8_t pad1[3]; |
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80 | } vcpu_time_info_t; |
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81 | |||
82 | typedef struct { |
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83 | uint32_t cr2; |
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84 | uint32_t pad[5]; |
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85 | } arch_vcpu_info_t; |
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86 | |||
87 | typedef struct arch_shared_info { |
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88 | pfn_t max_pfn; /**< max pfn that appears in table */ |
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89 | uint32_t pfn_to_mfn_frame_list_list; |
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90 | uint32_t nmi_reason; |
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91 | } arch_shared_info_t; |
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92 | |||
93 | typedef struct { |
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94 | uint8_t evtchn_upcall_pending; |
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1830 | decky | 95 | ipl_t evtchn_upcall_mask; |
1824 | decky | 96 | evtchn_t evtchn_pending_sel; |
97 | arch_vcpu_info_t arch; |
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98 | vcpu_time_info_t time; |
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99 | } vcpu_info_t; |
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100 | |||
101 | typedef struct { |
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102 | vcpu_info_t vcpu_info[VIRT_CPUS]; |
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103 | evtchn_t evtchn_pending[32]; |
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104 | evtchn_t evtchn_mask[32]; |
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105 | |||
106 | uint32_t wc_version; /**< Version counter */ |
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107 | uint32_t wc_sec; /**< Secs 00:00:00 UTC, Jan 1, 1970 */ |
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108 | uint32_t wc_nsec; /**< Nsecs 00:00:00 UTC, Jan 1, 1970 */ |
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109 | |||
110 | arch_shared_info_t arch; |
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111 | } shared_info_t; |
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112 | |||
113 | typedef struct { |
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1821 | decky | 114 | int8_t magic[32]; /**< "xen-<version>-<platform>" */ |
115 | uint32_t frames; /**< Available frames */ |
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1824 | decky | 116 | shared_info_t *shared_info; /**< Shared info structure (machine address) */ |
1813 | decky | 117 | uint32_t flags; /**< SIF_xxx flags */ |
1821 | decky | 118 | pfn_t store_mfn; /**< Shared page (machine page) */ |
1824 | decky | 119 | evtchn_t store_evtchn; /**< Event channel for store communication */ |
2017 | decky | 120 | |
121 | union { |
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122 | struct { |
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123 | pfn_t mfn; /**< Console page (machine page) */ |
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124 | evtchn_t evtchn; /**< Event channel for console messages */ |
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125 | } domU; |
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126 | |||
127 | struct { |
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128 | uint32_t info_off; /**< Offset of console_info struct */ |
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129 | uint32_t info_size; /**< Size of console_info struct from start */ |
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130 | } dom0; |
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131 | } console; |
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132 | |||
1821 | decky | 133 | pte_t *ptl0; /**< Boot PTL0 (kernel address) */ |
134 | uint32_t pt_frames; /**< Number of bootstrap page table frames */ |
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135 | pfn_t *pm_map; /**< Physical->machine frame map (kernel address) */ |
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136 | void *mod_start; /**< Modules start (kernel address) */ |
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137 | uint32_t mod_len; /**< Modules size (bytes) */ |
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1813 | decky | 138 | int8_t cmd_line[GUEST_CMDLINE]; |
139 | } start_info_t; |
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140 | |||
2017 | decky | 141 | #define XEN_CONSOLE_VGA 0x03 |
142 | #define XEN_CONSOLE_VESA 0x23 |
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143 | |||
1824 | decky | 144 | typedef struct { |
2017 | decky | 145 | uint8_t video_type; |
146 | |||
147 | union { |
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148 | struct { |
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149 | uint16_t font_height; |
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150 | uint16_t cursor_x; |
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151 | uint16_t cursor_y; |
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152 | uint16_t rows; |
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153 | uint16_t columns; |
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154 | } vga; |
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155 | |||
156 | struct { |
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157 | uint16_t width; |
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158 | uint16_t height; |
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159 | uint16_t bytes_per_line; |
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160 | uint16_t bits_per_pixel; |
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161 | uint32_t lfb_base; |
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162 | uint32_t lfb_size; |
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163 | uint8_t red_pos; |
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164 | uint8_t red_size; |
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165 | uint8_t green_pos; |
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166 | uint8_t green_size; |
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167 | uint8_t blue_pos; |
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168 | uint8_t blue_size; |
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169 | uint8_t rsvd_pos; |
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170 | uint8_t rsvd_size; |
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171 | } vesa_lfb; |
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172 | } info; |
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173 | } console_info_t; |
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174 | |||
175 | typedef struct { |
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1824 | decky | 176 | pfn_t start; |
177 | pfn_t size; |
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178 | pfn_t reserved; |
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179 | } memzone_t; |
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180 | |||
1813 | decky | 181 | extern start_info_t start_info; |
1824 | decky | 182 | extern shared_info_t shared_info; |
183 | extern memzone_t meminfo; |
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1813 | decky | 184 | |
1807 | decky | 185 | #endif |
186 | |||
1813 | decky | 187 | #endif |
188 | |||
1807 | decky | 189 | /** @} |
190 | */ |