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Annotation of truecrypt/boot/windows/bootdefs.h, revision 1.1

1.1     ! root        1: /*
        !             2:  Copyright (c) 2008 TrueCrypt Foundation. All rights reserved.
        !             3: 
        !             4:  Governed by the TrueCrypt License 2.4 the full text of which is contained
        !             5:  in the file License.txt included in TrueCrypt binary and source code
        !             6:  distribution packages.
        !             7: */
        !             8: 
        !             9: // Total memory required (CODE + DATA + BSS + STACK) in KBytes - determined from linker map.
        !            10: #define TC__BOOT_MEMORY_REQUIRED       60
        !            11: 
        !            12: // Windows Vista boot loader uses memory up to 8000:FFFF, disregarding the BIOS memory map and the amount
        !            13: // of available memory at 0:0413. Therefore, the code has to be loaded at or above 9000:0000.
        !            14: 
        !            15: // Modifying this value can introduce incompatibility with previous versions
        !            16: #define TC__BOOT_LOADER_SEGMENT                TC_HEX (9000)
        !            17: #define TC__BOOT_LOADER_OFFSET         TC_HEX (100) // COM executable offset
        !            18: 
        !            19: #define TC__BOOT_LOADER_LOWMEM_SEGMENT TC_HEX (2000)
        !            20: #define TC__BOOT_LOADER_BUFFER_SEGMENT TC_HEX (5000)
        !            21: 
        !            22: #define TC__BOOT_LOADER_AREA_SECTOR_COUNT 63
        !            23: 
        !            24: #define TC__BOOT_SECTOR_CONFIG_OFFSET 439 // Last byte reserved for boot loader
        !            25: 
        !            26: #ifdef TC_ASM_PREPROCESS
        !            27: 
        !            28: #define TC_HEX(N) 0##N##h
        !            29: 
        !            30: TC_BOOT_MEMORY_REQUIRED = TC__BOOT_MEMORY_REQUIRED
        !            31: TC_BOOT_LOADER_SEGMENT = TC__BOOT_LOADER_SEGMENT
        !            32: TC_BOOT_LOADER_OFFSET = TC__BOOT_LOADER_OFFSET
        !            33: TC_BOOT_LOADER_LOWMEM_SEGMENT = TC__BOOT_LOADER_LOWMEM_SEGMENT
        !            34: TC_BOOT_LOADER_AREA_SECTOR_COUNT = TC__BOOT_LOADER_AREA_SECTOR_COUNT
        !            35: TC_BOOT_SECTOR_CONFIG_OFFSET = TC__BOOT_SECTOR_CONFIG_OFFSET
        !            36: 
        !            37: #else
        !            38: 
        !            39: #define TC_HEX(N) 0x##N
        !            40: 
        !            41: #define TC_BOOT_MEMORY_REQUIRED TC__BOOT_MEMORY_REQUIRED
        !            42: #define TC_BOOT_LOADER_SEGMENT TC__BOOT_LOADER_SEGMENT
        !            43: #define TC_BOOT_LOADER_OFFSET TC__BOOT_LOADER_OFFSET
        !            44: #define TC_BOOT_LOADER_LOWMEM_SEGMENT TC__BOOT_LOADER_LOWMEM_SEGMENT
        !            45: #define TC_BOOT_LOADER_BUFFER_SEGMENT TC__BOOT_LOADER_BUFFER_SEGMENT
        !            46: #define TC_BOOT_LOADER_AREA_SECTOR_COUNT TC__BOOT_LOADER_AREA_SECTOR_COUNT
        !            47: #define TC_BOOT_SECTOR_CONFIG_OFFSET TC__BOOT_SECTOR_CONFIG_OFFSET
        !            48: 
        !            49: #endif

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