Changeset 99383 in vbox

Timestamp:

Apr 13, 2023 11:02:06 AM (20 months ago)

Author:

vboxsync

Message:

VMM/ARMv8: Add ability to insert new system register ranges (based on the MSR machinery from x86/amd64), bugref:10387

Location:

trunk

Files:

• include/VBox/vmm/cpum-armv8.h (modified) (1 diff)
• src/VBox/VMM/Makefile.kmk (modified) (1 diff)
• src/VBox/VMM/VMMR3/CPUM-armv8.cpp (modified) (1 diff)
• src/VBox/VMM/VMMR3/CPUMR3Db-armv8.cpp (added)
• src/VBox/VMM/include/CPUMInternal-armv8.h (modified) (1 diff)

trunk/include/VBox/vmm/cpum-armv8.h

@@ -255 +255 @@
 #ifndef VBOX_FOR_DTRACE_LIB
 
+#ifdef IN_RING3
+/** @defgroup grp_cpum_armv8_r3    The CPUM ARMv8 ring-3 API
+ * @{
+ */
+
+VMMR3DECL(int)          CPUMR3SysRegRangesInsert(PVM pVM, PCCPUMSYSREGRANGE pNewRange);
+
+/** @} */
+#endif /* IN_RING3 */
+
+
 /** @name Guest Register Getters.
  * @{ */

trunk/src/VBox/VMM/Makefile.kmk

@@ -350 +350 @@
         VMMR3/CPUM-armv8.cpp \
         VMMR3/CPUMDbg-armv8.cpp \
+        VMMR3/CPUMR3Db-armv8.cpp \
         VMMR3/DBGF.cpp \
         VMMR3/DBGFAddr.cpp \

trunk/src/VBox/VMM/VMMR3/CPUM-armv8.cpp

@@ -207 +207 @@
 #endif
 
+    pVM->cpum.s.GuestInfo.paSysRegRangesR3 = &pVM->cpum.s.GuestInfo.aSysRegRanges[0];
+
     /*
      * Register saved state data item.

trunk/src/VBox/VMM/include/CPUMInternal-armv8.h

@@ -83 +83 @@
     uint32_t                    cSysRegRanges;
 
-    /** MSR ranges.
-     * @todo This is insane, so might want to move this into a separate
-     *       allocation.  The insanity is mainly for more recent AMD CPUs. */
-    CPUMSYSREGRANGE             aSysRegRanges[1024];
+    /** Pointer to the sysrem register ranges. */
+    R3PTRTYPE(PCPUMSYSREGRANGE) paSysRegRangesR3;
+
+    /** System register ranges. */
+    CPUMSYSREGRANGE             aSysRegRanges[128];
 } CPUMINFO;
 /** Pointer to a CPU info structure. */