Changeset 106463 in vbox for trunk/src/VBox/VMM/VMMR3

Timestamp:

Oct 17, 2024 4:53:02 PM (3 months ago)

Author:

vboxsync

Message:

VMM: Filter out some more PMU register accesses Windows/ARM is doing until we have a proper PMU emulation, bugref:10778

File:

• trunk/src/VBox/VMM/VMMR3/NEMR3Native-darwin-armv8.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR3/NEMR3Native-darwin-armv8.cpp

@@ -1737 +1737 @@
          * all backends to share (Linux/KVM when running on AppleSilicon hardware). */
         if (   idSysReg == ARMV8_AARCH64_SYSREG_PMCR_EL0
-            || idSysReg == ARMV8_AARCH64_SYSREG_PMCCNTR_EL0)
+            || idSysReg == ARMV8_AARCH64_SYSREG_PMCCNTR_EL0
+            || idSysReg == ARMV8_AARCH64_SYSREG_PMCNTENCLR_EL0)
         {
             if (idSysReg == ARMV8_AARCH64_SYSREG_PMCCNTR_EL0)
@@ -1756 +1757 @@
     else
     {
-        u64Val = nemR3DarwinGetGReg(pVCpu, uReg);
-        rcStrict = CPUMSetGuestSysReg(pVCpu, idSysReg, u64Val);
+        if (   idSysReg != ARMV8_AARCH64_SYSREG_PMCNTENCLR_EL0
+            && idSysReg != ARMV8_AARCH64_SYSREG_PMOVSCLR_EL0
+            && idSysReg != ARMV8_AARCH64_SYSREG_PMINTENCLR_EL1
+            && idSysReg != ARMV8_AARCH64_SYSREG_PMCR_EL0
+            && idSysReg != ARMV8_AARCH64_SYSREG_PMCCFILTR_EL0
+            && idSysReg != ARMV8_AARCH64_SYSREG_PMCNTENSET_EL0
+            && idSysReg != ARMV8_AARCH64_SYSREG_PMUSERENR_EL0
+            && idSysReg != ARMV8_AARCH64_SYSREG_PMCCNTR_EL0)
+        {
+            u64Val = nemR3DarwinGetGReg(pVCpu, uReg);
+            rcStrict = CPUMSetGuestSysReg(pVCpu, idSysReg, u64Val);
+        }
         Log4(("SysInsnExit/%u: %08RX64: WRITE %u:%u:%u:%u:%u %#RX64 -> rcStrict=%Rrc\n",
               pVCpu->idCpu, pVCpu->cpum.GstCtx.Pc.u64, uOp0, uOp1, uCRn, uCRm, uOp2, u64Val,