| 1 | /*
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| 2 | * Copyright (c) 2011 Jakub Jermar
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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 |
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| 29 | #ifndef BOOT_EFI_H_
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| 30 | #define BOOT_EFI_H_
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| 31 |
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| 32 | #include <arch/types.h>
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| 33 |
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| 34 | typedef struct {
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| 35 | uint64_t signature;
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| 36 | uint32_t revision;
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| 37 | uint32_t header_size;
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| 38 | uint32_t crc32;
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| 39 | uint32_t reserved;
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| 40 | } efi_table_header_t;
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| 41 |
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| 42 | #define SAL_SYSTEM_TABLE_GUID \
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| 43 | { \
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| 44 | { \
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| 45 | 0x32, 0x2d, 0x9d, 0xeb, 0x88, 0x2d, 0xd3, 0x11, \
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| 46 | 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d \
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| 47 | } \
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| 48 | }
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| 49 |
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| 50 | typedef union {
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| 51 | uint8_t bytes[16];
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| 52 | struct {
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| 53 | uint64_t low;
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| 54 | uint64_t high;
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| 55 | };
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| 56 | } efi_guid_t;
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| 57 |
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| 58 | typedef struct {
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| 59 | efi_guid_t guid;
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| 60 | void *table;
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| 61 | } efi_configuration_table_t;
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| 62 |
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| 63 | typedef struct {
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| 64 | efi_table_header_t hdr;
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| 65 | char *fw_vendor;
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| 66 | uint32_t fw_revision;
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| 67 | void *cons_in_handle;
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| 68 | void *cons_in;
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| 69 | void *cons_out_handle;
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| 70 | void *cons_out;
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| 71 | void *cons_err_handle;
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| 72 | void *cons_err;
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| 73 | void *runtime_services;
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| 74 | void *boot_services;
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| 75 | sysarg_t conf_table_entries;
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| 76 | efi_configuration_table_t *conf_table;
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| 77 | } efi_system_table_t;
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| 78 |
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| 79 | typedef enum {
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| 80 | EFI_RESERVED,
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| 81 | EFI_LOADER_CODE,
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| 82 | EFI_LOADER_DATA,
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| 83 | EFI_BOOT_SERVICES_CODE,
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| 84 | EFI_BOOT_SERVICES_DATA,
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| 85 | EFI_RUNTIME_SERVICES_CODE,
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| 86 | EFI_RUNTIME_SERVICES_DATA,
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| 87 | EFI_CONVENTIONAL_MEMORY,
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| 88 | EFI_UNUSABLE_MEMORY,
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| 89 | EFI_ACPI_RECLAIM_MEMORY,
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| 90 | EFI_ACPI_MEMORY_NVS,
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| 91 | EFI_MEMORY_MAPPED_IO,
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| 92 | EFI_MEMORY_MAPPED_IO_PORT_SPACE,
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| 93 | EFI_PAL_CODE
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| 94 | } efi_memory_type_t;
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| 95 |
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| 96 | typedef struct {
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| 97 | uint32_t type;
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| 98 | uint64_t phys_start;
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| 99 | uint64_t virt_start;
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| 100 | uint64_t pages;
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| 101 | uint64_t attribute;
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| 102 | } efi_v1_memdesc_t;
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| 103 |
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| 104 | #define EFI_PAGE_SIZE 4096
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| 105 |
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| 106 | extern void *efi_vendor_table_find(efi_system_table_t *, efi_guid_t);
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| 107 |
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| 108 | #endif
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