Changeset 81073 in vbox

Timestamp:

Sep 30, 2019 10:33:42 AM (5 years ago)

Author:

vboxsync

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

133677

Message:

SUPDrv,IPRT,VMM: Support host APIC ID above 256 in GIP. (Only tested on 4 core intel.) [warning] bugref:9501

File:

• trunk/include/iprt/asm-amd64-x86.h (modified) (4 diffs)

trunk/include/iprt/asm-amd64-x86.h

@@ -1398 +1398 @@
 DECLINLINE(uint32_t) ASMGetApicIdExt0B(void)
 {
+# if RT_INLINE_ASM_GNU_STYLE
     RTCCUINTREG xDX;
-# if RT_INLINE_ASM_GNU_STYLE
 #  ifdef RT_ARCH_AMD64
     RTCCUINTREG uSpillEax, uSpillEcx;
@@ -1430 +1430 @@
                           : "ecx", "ebx");
 #  endif
+    return (uint32_t)xDX;
 
 # elif RT_INLINE_ASM_USES_INTRIN >= 16 /*?*/
@@ -1435 +1436 @@
     int aInfo[4];
     __cpuidex(aInfo, 0xb, 0);
-    xDX = aInfo[3];
-
-# else
+    return aInfo[3];
+
+# else
+    RTCCUINTREG xDX;
     __asm
     {
@@ -1447 +1449 @@
         pop     ebx
     }
-# endif
-    return xDX;
+    return (uint32_t)xDX;
+# endif
 }
 #endif