Changeset 87308 in vbox

Timestamp:

Jan 19, 2021 5:54:51 PM (4 years ago)

Author:

vboxsync

Message:

VMM/IEM: Make sure to set XSAVE_C_YMM in the xstate header so changes we make are picked up when HM/NEM resumes execution.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAll.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAll.cpp

@@ -6992 +6992 @@
 #endif
     IEM_CTX_IMPORT_NORET(pVCpu, CPUMCTX_EXTRN_X87 | CPUMCTX_EXTRN_SSE_AVX | CPUMCTX_EXTRN_OTHER_XSAVE | CPUMCTX_EXTRN_XCRx);
+
+    /* Make sure any changes are loaded the next time around. */
+    pVCpu->cpum.GstCtx.CTX_SUFF(pXState)->Hdr.bmXState |= XSAVE_C_SSE;
 }
 
@@ -7030 +7033 @@
 #endif
     IEM_CTX_IMPORT_NORET(pVCpu, CPUMCTX_EXTRN_X87 | CPUMCTX_EXTRN_SSE_AVX | CPUMCTX_EXTRN_OTHER_XSAVE | CPUMCTX_EXTRN_XCRx);
+
+    /* Just assume we're going to make changes to the SSE and YMM_HI parts. */
+    pVCpu->cpum.GstCtx.CTX_SUFF(pXState)->Hdr.bmXState |= XSAVE_C_YMM | XSAVE_C_SSE;
 }