projects / mirror_edk2.git / blame
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|---|---|---|
| 23b01c83 RC |
1 | /** @file\r |
| 2 | *\r | |
| 3 | * Copyright (c) 2011-2015, ARM Limited. All rights reserved.\r | |
| 4 | *\r | |
| 5 | * This program and the accompanying materials\r | |
| 6 | * are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | * which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | * http://opensource.org/licenses/bsd-license.php\r | |
| 9 | *\r | |
| 10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | *\r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #ifndef __LINUX_ATAG_H__\r | |
| 16 | #define __LINUX_ATAG_H__\r | |
| 17 | \r | |
| 18 | //\r | |
| 19 | // ATAG Definitions\r | |
| 20 | //\r | |
| 21 | \r | |
| 22 | #define ATAG_MAX_SIZE 0x3000\r | |
| 23 | \r | |
| 24 | /* ATAG : list of possible tags */\r | |
| 25 | #define ATAG_NONE 0x00000000\r | |
| 26 | #define ATAG_CORE 0x54410001\r | |
| 27 | #define ATAG_MEM 0x54410002\r | |
| 28 | #define ATAG_VIDEOTEXT 0x54410003\r | |
| 29 | #define ATAG_RAMDISK 0x54410004\r | |
| 30 | #define ATAG_INITRD2 0x54420005\r | |
| 31 | #define ATAG_SERIAL 0x54410006\r | |
| 32 | #define ATAG_REVISION 0x54410007\r | |
| 33 | #define ATAG_VIDEOLFB 0x54410008\r | |
| 34 | #define ATAG_CMDLINE 0x54410009\r | |
| 35 | #define ATAG_ARM_MP_CORE 0x5441000A\r | |
| 36 | \r | |
| 37 | #define next_tag_address(t) ((LINUX_ATAG*)((UINT32)(t) + (((t)->header.size) << 2) ))\r | |
| 38 | #define tag_size(type) ((UINT32)((sizeof(LINUX_ATAG_HEADER) + sizeof(type)) >> 2))\r | |
| 39 | \r | |
| 40 | typedef struct {\r | |
| 41 | UINT32 size; /* length of tag in words including this header */\r | |
| 42 | UINT32 type; /* tag type */\r | |
| 43 | } LINUX_ATAG_HEADER;\r | |
| 44 | \r | |
| 45 | typedef struct {\r | |
| 46 | UINT32 flags;\r | |
| 47 | UINT32 pagesize;\r | |
| 48 | UINT32 rootdev;\r | |
| 49 | } LINUX_ATAG_CORE;\r | |
| 50 | \r | |
| 51 | typedef struct {\r | |
| 52 | UINT32 size;\r | |
| 53 | UINTN start;\r | |
| 54 | } LINUX_ATAG_MEM;\r | |
| 55 | \r | |
| 56 | typedef struct {\r | |
| 57 | UINT8 x;\r | |
| 58 | UINT8 y;\r | |
| 59 | UINT16 video_page;\r | |
| 60 | UINT8 video_mode;\r | |
| 61 | UINT8 video_cols;\r | |
| 62 | UINT16 video_ega_bx;\r | |
| 63 | UINT8 video_lines;\r | |
| 64 | UINT8 video_isvga;\r | |
| 65 | UINT16 video_points;\r | |
| 66 | } LINUX_ATAG_VIDEOTEXT;\r | |
| 67 | \r | |
| 68 | typedef struct {\r | |
| 69 | UINT32 flags;\r | |
| 70 | UINT32 size;\r | |
| 71 | UINTN start;\r | |
| 72 | } LINUX_ATAG_RAMDISK;\r | |
| 73 | \r | |
| 74 | typedef struct {\r | |
| 75 | UINT32 start;\r | |
| 76 | UINT32 size;\r | |
| 77 | } LINUX_ATAG_INITRD2;\r | |
| 78 | \r | |
| 79 | typedef struct {\r | |
| 80 | UINT32 low;\r | |
| 81 | UINT32 high;\r | |
| 82 | } LINUX_ATAG_SERIALNR;\r | |
| 83 | \r | |
| 84 | typedef struct {\r | |
| 85 | UINT32 rev;\r | |
| 86 | } LINUX_ATAG_REVISION;\r | |
| 87 | \r | |
| 88 | typedef struct {\r | |
| 89 | UINT16 lfb_width;\r | |
| 90 | UINT16 lfb_height;\r | |
| 91 | UINT16 lfb_depth;\r | |
| 92 | UINT16 lfb_linelength;\r | |
| 93 | UINT32 lfb_base;\r | |
| 94 | UINT32 lfb_size;\r | |
| 95 | UINT8 red_size;\r | |
| 96 | UINT8 red_pos;\r | |
| 97 | UINT8 green_size;\r | |
| 98 | UINT8 green_pos;\r | |
| 99 | UINT8 blue_size;\r | |
| 100 | UINT8 blue_pos;\r | |
| 101 | UINT8 rsvd_size;\r | |
| 102 | UINT8 rsvd_pos;\r | |
| 103 | } LINUX_ATAG_VIDEOLFB;\r | |
| 104 | \r | |
| 105 | typedef struct {\r | |
| 106 | CHAR8 cmdline[1];\r | |
| 107 | } LINUX_ATAG_CMDLINE;\r | |
| 108 | \r | |
| 109 | typedef struct {\r | |
| 110 | LINUX_ATAG_HEADER header;\r | |
| 111 | union {\r | |
| 112 | LINUX_ATAG_CORE core_tag;\r | |
| 113 | LINUX_ATAG_MEM mem_tag;\r | |
| 114 | LINUX_ATAG_VIDEOTEXT videotext_tag;\r | |
| 115 | LINUX_ATAG_RAMDISK ramdisk_tag;\r | |
| 116 | LINUX_ATAG_INITRD2 initrd2_tag;\r | |
| 117 | LINUX_ATAG_SERIALNR serialnr_tag;\r | |
| 118 | LINUX_ATAG_REVISION revision_tag;\r | |
| 119 | LINUX_ATAG_VIDEOLFB videolfb_tag;\r | |
| 120 | LINUX_ATAG_CMDLINE cmdline_tag;\r | |
| 121 | } body;\r | |
| 122 | } LINUX_ATAG;\r | |
| 123 | \r | |
| 124 | #endif /* __LINUX_ATAG_H__ */\r |