| .. | .. |
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| 10 | 10 | #ifndef _LINUX_FLAT_H |
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| 11 | 11 | #define _LINUX_FLAT_H |
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| 12 | 12 | |
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| 13 | | -#include <uapi/linux/flat.h> |
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| 14 | | -#include <asm/flat.h> |
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| 13 | +#define FLAT_VERSION 0x00000004L |
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| 14 | + |
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| 15 | +/* |
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| 16 | + * To make everything easier to port and manage cross platform |
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| 17 | + * development, all fields are in network byte order. |
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| 18 | + */ |
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| 19 | + |
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| 20 | +struct flat_hdr { |
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| 21 | + char magic[4]; |
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| 22 | + __be32 rev; /* version (as above) */ |
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| 23 | + __be32 entry; /* Offset of first executable instruction |
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| 24 | + with text segment from beginning of file */ |
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| 25 | + __be32 data_start; /* Offset of data segment from beginning of |
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| 26 | + file */ |
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| 27 | + __be32 data_end; /* Offset of end of data segment from beginning |
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| 28 | + of file */ |
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| 29 | + __be32 bss_end; /* Offset of end of bss segment from beginning |
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| 30 | + of file */ |
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| 31 | + |
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| 32 | + /* (It is assumed that data_end through bss_end forms the bss segment.) */ |
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| 33 | + |
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| 34 | + __be32 stack_size; /* Size of stack, in bytes */ |
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| 35 | + __be32 reloc_start; /* Offset of relocation records from beginning of |
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| 36 | + file */ |
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| 37 | + __be32 reloc_count; /* Number of relocation records */ |
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| 38 | + __be32 flags; |
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| 39 | + __be32 build_date; /* When the program/library was built */ |
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| 40 | + __u32 filler[5]; /* Reservered, set to zero */ |
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| 41 | +}; |
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| 42 | + |
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| 43 | +#define FLAT_FLAG_RAM 0x0001 /* load program entirely into RAM */ |
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| 44 | +#define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */ |
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| 45 | +#define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */ |
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| 46 | +#define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */ |
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| 47 | +#define FLAT_FLAG_KTRACE 0x0010 /* output useful kernel trace for debugging */ |
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| 15 | 48 | |
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| 16 | 49 | /* |
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| 17 | 50 | * While it would be nice to keep this header clean, users of older |
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| .. | .. |
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| 22 | 55 | * with the format above, except to fix bugs with old format support. |
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| 23 | 56 | */ |
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| 24 | 57 | |
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| 25 | | -#include <asm/byteorder.h> |
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| 26 | | - |
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| 27 | 58 | #define OLD_FLAT_VERSION 0x00000002L |
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| 28 | 59 | #define OLD_FLAT_RELOC_TYPE_TEXT 0 |
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| 29 | 60 | #define OLD_FLAT_RELOC_TYPE_DATA 1 |
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| 30 | 61 | #define OLD_FLAT_RELOC_TYPE_BSS 2 |
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| 31 | 62 | |
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| 32 | 63 | typedef union { |
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| 33 | | - unsigned long value; |
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| 64 | + u32 value; |
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| 34 | 65 | struct { |
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| 35 | | -# if defined(mc68000) && !defined(CONFIG_COLDFIRE) |
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| 36 | | - signed long offset : 30; |
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| 37 | | - unsigned long type : 2; |
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| 38 | | -# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */ |
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| 66 | +#if defined(__LITTLE_ENDIAN_BITFIELD) || \ |
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| 67 | + (defined(mc68000) && !defined(CONFIG_COLDFIRE)) |
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| 68 | + s32 offset : 30; |
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| 69 | + u32 type : 2; |
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| 39 | 70 | # elif defined(__BIG_ENDIAN_BITFIELD) |
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| 40 | | - unsigned long type : 2; |
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| 41 | | - signed long offset : 30; |
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| 42 | | -# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */ |
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| 43 | | -# elif defined(__LITTLE_ENDIAN_BITFIELD) |
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| 44 | | - signed long offset : 30; |
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| 45 | | - unsigned long type : 2; |
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| 46 | | -# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */ |
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| 71 | + u32 type : 2; |
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| 72 | + s32 offset : 30; |
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| 47 | 73 | # else |
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| 48 | 74 | # error "Unknown bitfield order for flat files." |
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| 49 | 75 | # endif |
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