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GDT Tutorial: Difference between revisions
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The limit field of the TSS segment descriptor should be equal to the size of the TSS minus one according to [IA32-v3 TSS Descriptor]
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m (The limit field of the TSS segment descriptor should be equal to the size of the TSS minus one according to [IA32-v3 TSS Descriptor]) |
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Line 47:
| 0x0020 || User Mode Data Segment || <tt>Base = 0<br>Limit = 0xFFFFF<br>Access Byte = 0xF2<br>Flags = 0xC</tt>
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| 0x0028 || Task State Segment || <tt>Base = &TSS<br>Limit = sizeof(TSS)-1<br>Access Byte = 0x89<br>Flags = 0x0</tt>
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Line 64:
| 0x0020 || User Mode Data Segment || <tt>Base = 0<br>Limit = 0xFFFFF<br>Access Byte = 0xF2<br>Flags = 0xC</tt>
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| 0x0028 || Task State Segment<br>('''[[Global Descriptor Table#Long Mode System Segment Descriptor|64-bit System Segment]]''') || <tt>Base = &TSS<br>Limit = sizeof(TSS)-1<br>Access Byte = 0x89<br>Flags = 0x0</tt>
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Line 83:
| 0x0010 || Kernel Mode Data Segment || <tt>Base = 0x00800000<br>Limit = 0x003FFFFF<br>Access Byte = 0x92<br>Flags = 0xC</tt>
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| 0x0018 || Task State Segment || <tt>Base = &TSS<br>Limit = sizeof(TSS)-1<br>Access Byte = 0x89<br>Flags = 0x0</tt>
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