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Annotation of qemu/roms/openbios/arch/x86/segment.h, revision 1.1

1.1     ! root        1: 
        !             2: /* Segment indexes. Must match the gdt definition in segment.c. */
        !             3: enum {
        !             4:     NULL_SEG,
        !             5:     FLAT_CODE,
        !             6:     FLAT_DATA,
        !             7:     RELOC_CODE,
        !             8:     RELOC_DATA,
        !             9:     NUM_SEG,
        !            10: };
        !            11: 
        !            12: /* Values for segment selector register */
        !            13: #define FLAT_CS (FLAT_CODE << 3)
        !            14: #define FLAT_DS (FLAT_DATA << 3)
        !            15: #define RELOC_CS (RELOC_CODE << 3)
        !            16: #define RELOC_DS (RELOC_DATA << 3)
        !            17: 
        !            18: /* i386 segment descriptor */
        !            19: struct segment_desc {
        !            20:     unsigned short limit_0;
        !            21:     unsigned short base_0;
        !            22:     unsigned char base_16;
        !            23:     unsigned char types;
        !            24:     unsigned char flags;
        !            25:     unsigned char base_24;
        !            26: };
        !            27: 
        !            28: extern struct segment_desc gdt[NUM_SEG];
        !            29: 
        !            30: #define GDT_LIMIT ((NUM_SEG << 3) - 1)

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