From 036514cf3d9beb1014a3fe4290e6aa71889e831e Mon Sep 17 00:00:00 2001 From: _xeroxz Date: Sat, 6 Feb 2021 22:55:22 +0000 Subject: [PATCH] Update VMCS-GUEST.md --- VMCS-GUEST.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/VMCS-GUEST.md b/VMCS-GUEST.md index df60318..64b5e9f 100644 --- a/VMCS-GUEST.md +++ b/VMCS-GUEST.md @@ -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. + * Base-address fields. - 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. + * 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). @@ -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). - 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 + + ``` es selector: 0x000000000000002B es base address: 0x0000000000000000