Changeset 81605 in vbox for trunk/src/VBox/HostDrivers

Timestamp:

Oct 31, 2019 2:29:46 PM (5 years ago)

Author:

vboxsync

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

134362

Message:

VMM (and related changes): Add support for Hygon Dhyana CPUs. Modified and improved contribution by Hongyong Zang submitted under MIT license. Thank you!

Location:

trunk/src/VBox/HostDrivers/Support

Files:

• SUPDrv.cpp (modified) (2 diffs)
• SUPDrvGip.cpp (modified) (2 diffs)

trunk/src/VBox/HostDrivers/Support/SUPDrv.cpp

@@ -4150 +4150 @@
 
             /* Check if the vendor is AMD (or compatible). */
-            if (ASMIsAmdCpuEx(uVendorEbx, uVendorEcx, uVendorEdx))
+            if (   ASMIsAmdCpuEx(uVendorEbx, uVendorEcx, uVendorEdx)
+                || ASMIsHygonCpuEx(uVendorEbx, uVendorEcx, uVendorEdx))
             {
                 uint32_t fExtFeatEcx, uExtMaxId;
@@ -4512 +4513 @@
                 }
             }
-            else if (ASMIsAmdCpuEx(uVendorEBX, uVendorECX, uVendorEDX))
+            else if (   ASMIsAmdCpuEx(uVendorEBX, uVendorECX, uVendorEDX)
+                     || ASMIsHygonCpuEx(uVendorEBX, uVendorECX, uVendorEDX))
             {
                 /* Not well documented, but at least all AMD64 CPUs support this. */

trunk/src/VBox/HostDrivers/Support/SUPDrvGip.cpp

@@ -1801 +1801 @@
     ASMCpuId(0, &uEAX, &uEBX, &uECX, &uEDX);
     if (   ASMIsValidStdRange(uEAX)
-        && ASMIsAmdCpuEx(uEBX, uECX, uEDX))
+        && (ASMIsAmdCpuEx(uEBX, uECX, uEDX) || ASMIsHygonCpuEx(uEBX, uECX, uEDX)) )
     {
         /* Check for APM support. */
@@ -4021 +4021 @@
             && ASMIsValidStdRange(ASMCpuId_EAX(0))
             && (ASMCpuId_EDX(1) & X86_CPUID_FEATURE_EDX_HTT)
-            && (   !ASMIsAmdCpu()
+            && (   (!ASMIsAmdCpu() && !ASMIsHygonCpu())
                 || ASMGetCpuFamily(u32Tmp = ASMCpuId_EAX(1)) > 0x15
                 || (   ASMGetCpuFamily(u32Tmp)   == 0x15           /* Piledriver+, not bulldozer (FX-4150 didn't like it). */