Changeset 66403 in vbox for trunk/include/VBox

Timestamp:

Apr 3, 2017 3:21:26 PM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

114356

Message:

CPUM: Added the MXCSR mask to the CPU database and CPUM::GuestInfo as well as the host one to CPUM::fHostMxCsrMask. Need it for correctly implementing LDMXCSR, FXRSTOR and XSTOR.

File:

• trunk/include/VBox/vmm/cpum.h (modified) (3 diffs)

trunk/include/VBox/vmm/cpum.h

@@ -1042 +1042 @@
     uint32_t        fPadding : 23;
 
-    /** Hardware virtualization features. */
+    /** Hardware virtualization features.
+     *
+     *  @todo r=bird: Please drop the unions and flatten this as much as possible.
+     *        Prefix the names with 'Svm' 'Vmx' if there is any confusion. Group the
+     *        flags into common and specific bunches.
+     *
+     */
     union
     {
@@ -1546 +1552 @@
 VMMDECL(uint32_t)       CPUMGetGuestCodeBits(PVMCPU pVCpu);
 VMMDECL(DISCPUMODE)     CPUMGetGuestDisMode(PVMCPU pVCpu);
+VMMDECL(uint32_t)       CPUMGetGuestMxCsrMask(PVM pVM);
 VMMDECL(uint64_t)       CPUMGetGuestScalableBusFrequency(PVM pVM);
 VMMDECL(int)            CPUMGetValidateEfer(PVM pVM, uint64_t uCr0, uint64_t uOldEfer, uint64_t uNewEfer,
@@ -1591 +1598 @@
 VMMR3DECL(CPUMCPUVENDOR)    CPUMR3CpuIdDetectVendorEx(uint32_t uEAX, uint32_t uEBX, uint32_t uECX, uint32_t uEDX);
 VMMR3DECL(const char *)     CPUMR3CpuVendorName(CPUMCPUVENDOR enmVendor);
+VMMR3DECL(uint32_t)         CPUMR3DeterminHostMxCsrMask(void);
 
 VMMR3DECL(int)              CPUMR3MsrRangesInsert(PVM pVM, PCCPUMMSRRANGE pNewRange);