1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI__ASMARM_SETUP_H 20 #define _UAPI__ASMARM_SETUP_H 21 #include <linux/types.h> 22 #define COMMAND_LINE_SIZE 1024 23 #define ATAG_NONE 0x00000000 24 struct tag_header { 25 __u32 size; 26 __u32 tag; 27 }; 28 #define ATAG_CORE 0x54410001 29 struct tag_core { 30 __u32 flags; 31 __u32 pagesize; 32 __u32 rootdev; 33 }; 34 #define ATAG_MEM 0x54410002 35 struct tag_mem32 { 36 __u32 size; 37 __u32 start; 38 }; 39 #define ATAG_VIDEOTEXT 0x54410003 40 struct tag_videotext { 41 __u8 x; 42 __u8 y; 43 __u16 video_page; 44 __u8 video_mode; 45 __u8 video_cols; 46 __u16 video_ega_bx; 47 __u8 video_lines; 48 __u8 video_isvga; 49 __u16 video_points; 50 }; 51 #define ATAG_RAMDISK 0x54410004 52 struct tag_ramdisk { 53 __u32 flags; 54 __u32 size; 55 __u32 start; 56 }; 57 #define ATAG_INITRD 0x54410005 58 #define ATAG_INITRD2 0x54420005 59 struct tag_initrd { 60 __u32 start; 61 __u32 size; 62 }; 63 #define ATAG_SERIAL 0x54410006 64 struct tag_serialnr { 65 __u32 low; 66 __u32 high; 67 }; 68 #define ATAG_REVISION 0x54410007 69 struct tag_revision { 70 __u32 rev; 71 }; 72 #define ATAG_VIDEOLFB 0x54410008 73 struct tag_videolfb { 74 __u16 lfb_width; 75 __u16 lfb_height; 76 __u16 lfb_depth; 77 __u16 lfb_linelength; 78 __u32 lfb_base; 79 __u32 lfb_size; 80 __u8 red_size; 81 __u8 red_pos; 82 __u8 green_size; 83 __u8 green_pos; 84 __u8 blue_size; 85 __u8 blue_pos; 86 __u8 rsvd_size; 87 __u8 rsvd_pos; 88 }; 89 #define ATAG_CMDLINE 0x54410009 90 struct tag_cmdline { 91 char cmdline[1]; 92 }; 93 #define ATAG_ACORN 0x41000101 94 struct tag_acorn { 95 __u32 memc_control_reg; 96 __u32 vram_pages; 97 __u8 sounddefault; 98 __u8 adfsdrives; 99 }; 100 #define ATAG_MEMCLK 0x41000402 101 struct tag_memclk { 102 __u32 fmemclk; 103 }; 104 struct tag { 105 struct tag_header hdr; 106 union { 107 struct tag_core core; 108 struct tag_mem32 mem; 109 struct tag_videotext videotext; 110 struct tag_ramdisk ramdisk; 111 struct tag_initrd initrd; 112 struct tag_serialnr serialnr; 113 struct tag_revision revision; 114 struct tag_videolfb videolfb; 115 struct tag_cmdline cmdline; 116 struct tag_acorn acorn; 117 struct tag_memclk memclk; 118 } u; 119 }; 120 struct tagtable { 121 __u32 tag; 122 int(* parse) (const struct tag *); 123 }; 124 #define tag_member_present(tag,member) ((unsigned long) (& ((struct tag *) 0L)->member + 1) <= (tag)->hdr.size * 4) 125 #define tag_next(t) ((struct tag *) ((__u32 *) (t) + (t)->hdr.size)) 126 #define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2) 127 #define for_each_tag(t,base) for(t = base; t->hdr.size; t = tag_next(t)) 128 #endif 129
