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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 | |||
29 | /** @addtogroup xen32 |
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30 | * @{ |
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31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
35 | #ifndef __xen32_BOOT_H__ |
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36 | #define __xen32_BOOT_H__ |
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37 | |||
1813 | decky | 38 | #define GUEST_CMDLINE 1024 |
1824 | decky | 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 | |
1813 | decky | 48 | #ifndef __ASM__ |
49 | |||
1824 | decky | 50 | #define mp_map ((pfn_t *) XEN_VIRT_START) |
51 | |||
1831 | decky | 52 | #define SIF_PRIVILEGED (1 << 0) /**< Privileged domain */ |
53 | #define SIF_INITDOMAIN (1 << 1) /**< Iinitial control domain */ |
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54 | |||
1813 | decky | 55 | #include <arch/types.h> |
56 | |||
1824 | decky | 57 | typedef uint32_t evtchn_t; |
58 | |||
1813 | decky | 59 | typedef struct { |
1824 | decky | 60 | uint32_t version; |
61 | uint32_t pad0; |
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62 | uint64_t tsc_timestamp; /**< TSC at last update of time vals */ |
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63 | uint64_t system_time; /**< Time, in nanosecs, since boot */ |
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64 | uint32_t tsc_to_system_mul; |
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65 | int8_t tsc_shift; |
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66 | int8_t pad1[3]; |
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67 | } vcpu_time_info_t; |
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68 | |||
69 | typedef struct { |
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70 | uint32_t cr2; |
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71 | uint32_t pad[5]; |
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72 | } arch_vcpu_info_t; |
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73 | |||
74 | typedef struct arch_shared_info { |
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75 | pfn_t max_pfn; /**< max pfn that appears in table */ |
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76 | uint32_t pfn_to_mfn_frame_list_list; |
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77 | uint32_t nmi_reason; |
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78 | } arch_shared_info_t; |
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79 | |||
80 | typedef struct { |
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81 | uint8_t evtchn_upcall_pending; |
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1830 | decky | 82 | ipl_t evtchn_upcall_mask; |
1824 | decky | 83 | evtchn_t evtchn_pending_sel; |
84 | arch_vcpu_info_t arch; |
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85 | vcpu_time_info_t time; |
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86 | } vcpu_info_t; |
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87 | |||
88 | typedef struct { |
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89 | vcpu_info_t vcpu_info[VIRT_CPUS]; |
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90 | evtchn_t evtchn_pending[32]; |
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91 | evtchn_t evtchn_mask[32]; |
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92 | |||
93 | uint32_t wc_version; /**< Version counter */ |
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94 | uint32_t wc_sec; /**< Secs 00:00:00 UTC, Jan 1, 1970 */ |
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95 | uint32_t wc_nsec; /**< Nsecs 00:00:00 UTC, Jan 1, 1970 */ |
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96 | |||
97 | arch_shared_info_t arch; |
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98 | } shared_info_t; |
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99 | |||
100 | typedef struct { |
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1821 | decky | 101 | int8_t magic[32]; /**< "xen-<version>-<platform>" */ |
102 | uint32_t frames; /**< Available frames */ |
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1824 | decky | 103 | shared_info_t *shared_info; /**< Shared info structure (machine address) */ |
1813 | decky | 104 | uint32_t flags; /**< SIF_xxx flags */ |
1821 | decky | 105 | pfn_t store_mfn; /**< Shared page (machine page) */ |
1824 | decky | 106 | evtchn_t store_evtchn; /**< Event channel for store communication */ |
1831 | decky | 107 | pfn_t console_mfn; /**< Console page (machine page) */ |
1824 | decky | 108 | evtchn_t console_evtchn; /**< Event channel for console messages */ |
1821 | decky | 109 | pte_t *ptl0; /**< Boot PTL0 (kernel address) */ |
110 | uint32_t pt_frames; /**< Number of bootstrap page table frames */ |
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111 | pfn_t *pm_map; /**< Physical->machine frame map (kernel address) */ |
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112 | void *mod_start; /**< Modules start (kernel address) */ |
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113 | uint32_t mod_len; /**< Modules size (bytes) */ |
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1813 | decky | 114 | int8_t cmd_line[GUEST_CMDLINE]; |
115 | } start_info_t; |
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116 | |||
1824 | decky | 117 | typedef struct { |
118 | pfn_t start; |
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119 | pfn_t size; |
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120 | pfn_t reserved; |
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121 | } memzone_t; |
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122 | |||
1813 | decky | 123 | extern start_info_t start_info; |
1824 | decky | 124 | extern shared_info_t shared_info; |
125 | extern memzone_t meminfo; |
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1813 | decky | 126 | |
1807 | decky | 127 | #endif |
128 | |||
1813 | decky | 129 | #endif |
130 | |||
1807 | decky | 131 | /** @} |
132 | */ |