BootImage.h

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/*
 * Copyright (C) 2015 Niek Linnenbank
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __LIBARCH_BOOTIMAGE_H
#define __LIBARCH_BOOTIMAGE_H
 
#define BOOTIMAGE_MAGIC0        ('F') + ('r' << 8) + ('e' << 16) + ('e' << 24)
 
#define BOOTIMAGE_MAGIC1        ('N') + ('O' << 8) + ('S' << 16) + (0x1 << 24)
 
#define BOOTIMAGE_REVISION      2
 
#define BOOTIMAGE_NAMELEN       32
 
typedef struct BootImage
{
    u32 magic[2];
 
    u8  layoutRevision;
 
    u32 bootImageSize;
 
    u32 symbolTableOffset;
 
    u16 symbolTableCount;
 
    u32 segmentsTableOffset;
 
    u16 segmentsTableCount;
}
BootImage;
 
typedef enum BootSymbolType
{
    BootProgram     = 0, 
    BootPrivProgram = 1, 
    BootFilesystem  = 2, 
    BootData        = 3  
}
BootSymbolType;
 
typedef struct BootSymbol
{
    char name[BOOTIMAGE_NAMELEN];
 
    BootSymbolType type;
 
    u32 entry;
 
    u32 segmentsOffset;
 
    u16 segmentsCount;
 
    u32 segmentsTotalSize;
}
BootSymbol;
 
typedef struct BootSegment
{
    u32 virtualAddress;
 
    u32 size;
 
    u32 offset;
}
BootSegment;
 
#endif /* __LIBARCH_BOOTIMAGE_H */