Changeset 87345 in vbox for trunk/src/VBox/VMM/VMMAll/CPUMAllRegs.cpp

Timestamp:

Jan 21, 2021 11:37:30 AM (4 years ago)

Author:

vboxsync

Message:

VMM/CPUM: Removed CPUM_SYNC_FPU_STATE, CPUM_SYNC_DEBUG_REGS_GUEST and CPUM_SYNC_DEBUG_REGS_HYPER as they were related to 64-bit guest on 32-bit host support and is no longer used.

File:

• trunk/src/VBox/VMM/VMMAll/CPUMAllRegs.cpp (modified) (3 diffs)

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

@@ -1613 +1613 @@
  * Checks if we activated the FPU/XMM state of the guest OS.
  *
- * This differs from CPUMIsGuestFPUStateLoaded() in that it refers to the next
- * time we'll be executing guest code, so it may return true for 64-on-32 when
- * we still haven't actually loaded the FPU status, just scheduled it to be
- * loaded the next time we go thru the world switcher (CPUM_SYNC_FPU_STATE).
+ * Obsolete: This differs from CPUMIsGuestFPUStateLoaded() in that it refers to
+ * the next time we'll be executing guest code, so it may return true for
+ * 64-on-32 when we still haven't actually loaded the FPU status, just scheduled
+ * it to be loaded the next time we go thru the world switcher
+ * (CPUM_SYNC_FPU_STATE).
  *
  * @returns true / false.
@@ -1623 +1624 @@
 VMMDECL(bool) CPUMIsGuestFPUStateActive(PVMCPU pVCpu)
 {
-    return RT_BOOL(pVCpu->cpum.s.fUseFlags & (CPUM_USED_FPU_GUEST | CPUM_SYNC_FPU_STATE));
+    return RT_BOOL(pVCpu->cpum.s.fUseFlags & CPUM_USED_FPU_GUEST);
 }
 
@@ -1664 +1665 @@
 
 /**
- * Checks if the guest debug state is to be made active during the world-switch
- * (currently only used for the 32->64 switcher case).
+ * Checks if the hyper debug state is active.
  *
  * @returns boolean
  * @param   pVCpu       The cross context virtual CPU structure of the calling EMT.
  */
-VMMDECL(bool) CPUMIsGuestDebugStateActivePending(PVMCPU pVCpu)
-{
-    return RT_BOOL(pVCpu->cpum.s.fUseFlags & CPUM_SYNC_DEBUG_REGS_GUEST);
-}
-
-
-/**
- * Checks if the hyper debug state is active.
- *
- * @returns boolean
- * @param   pVCpu       The cross context virtual CPU structure of the calling EMT.
- */
 VMMDECL(bool) CPUMIsHyperDebugStateActive(PVMCPU pVCpu)
 {
     return RT_BOOL(pVCpu->cpum.s.fUseFlags & CPUM_USED_DEBUG_REGS_HYPER);
-}
-
-
-/**
- * Checks if the hyper debug state is to be made active during the world-switch
- * (currently only used for the 32->64 switcher case).
- *
- * @returns boolean
- * @param   pVCpu       The cross context virtual CPU structure of the calling EMT.
- */
-VMMDECL(bool) CPUMIsHyperDebugStateActivePending(PVMCPU pVCpu)
-{
-    return RT_BOOL(pVCpu->cpum.s.fUseFlags & CPUM_SYNC_DEBUG_REGS_HYPER);
 }