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Update VMCS-GUEST.md

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_xeroxz 4 years ago
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VMCS-GUEST.md
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@ -68,6 +68,7 @@ This section specifies the checks on the fields for CS, SS, DS, ES, FS, GS, TR,
(bits 1:0) must equal the RPL of the selector field for CS. (bits 1:0) must equal the RPL of the selector field for CS.
* Base-address fields. * Base-address fields.
- TR, FS, GS. The address must be canonical. - TR, FS, GS. The address must be canonical.
@ -75,6 +76,7 @@ This section specifies the checks on the fields for CS, SS, DS, ES, FS, GS, TR,
- SS, DS, ES. If the register is usable, bits 63:32 of the address must be zero. - SS, DS, ES. If the register is usable, bits 63:32 of the address must be zero.
* Access-rights fields for CS, SS, DS, ES, FS, GS. * Access-rights fields for CS, SS, DS, ES, FS, GS.
- CS Bits 3:0 (Type): must be 9, 11, 13, or 15 (accessed code segment). - CS Bits 3:0 (Type): must be 9, 11, 13, or 15 (accessed code segment).
@ -83,6 +85,8 @@ This section specifies the checks on the fields for CS, SS, DS, ES, FS, GS, TR,
- Bit 0 of the Type must be 1 (accessed). - Bit 0 of the Type must be 1 (accessed).
- If bit 3 of the Type is 1 (code segment), then bit 1 of the Type must be 1 (readable). - If bit 3 of the Type is 1 (code segment), then bit 1 of the Type must be 1 (readable).
- Bit 4 (S). If the register is CS or if the register is usable, S must be 1 - Bit 4 (S). If the register is CS or if the register is usable, S must be 1
``` ```
es selector: 0x000000000000002B es selector: 0x000000000000002B
es base address: 0x0000000000000000 es base address: 0x0000000000000000

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