Changeset 19405 in vbox

Timestamp:

May 5, 2009 11:28:47 PM (16 years ago)

Author:

vboxsync

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

46919

Message:

VBox/types.h: Added VMCPUSET and a couple of macros.

Location:

trunk

Files:

• include/VBox/types.h (modified) (1 diff)
• src/VBox/VMM/testcase/tstVMStructSize.cpp (modified) (1 diff)

trunk/include/VBox/types.h

@@ -112 +112 @@
 #define NIL_VMCPUID         UINT32_C(0xfffffffd)
 /** @} */
+
+/**
+ * Virtual CPU set.
+ */
+typedef struct VMCPUSET
+{
+    /** The bitmap data.  */
+    uint32_t    au32Bitmap[256/32];
+} VMCPUSET;
+/** Pointer to a Virtual CPU set. */
+typedef VMCPUSET *PVMCPUSET;
+/** Pointer to a const Virtual CPU set. */
+typedef VMCPUSET const *PCVMCPUSET;
+
+/** Tests if a valid CPU ID is present in the set.. */
+#define VMCPUSET_IS_PRESENT(pSet, idCpu)    ASMBitTest( &(pSet)->au32Bitmap, (idCpu))
+/** Adds a CPU to the set. */
+#define VMCPUSET_ADD(pSet, idCpu)           ASMBitSet(  &(pSet)->au32Bitmap, (idCpu))
+/** Deletes a CPU from the set. */
+#define VMCPUSET_DEL(pSet, idCpu)           ASMBitClear(&(pSet)->au32Bitmap, (idCpu))
+/** Empties the set. */
+#define VMCPUSET_EMPTY(pSet, idCpu)         memset(&(pSet)->au32Bitmap, '\0', sizeof((pSet)->au32Bitmap))
+/** Filles the set. */
+#define VMCPUSET_FILL(pSet, idCpu)          memset(&(pSet)->au32Bitmap, 0xff, sizeof((pSet)->au32Bitmap))
+/** Filles the set. */
+#define VMCPUSET_IS_EQUAL(pSet1, pSet2)     (memcmp(&(pSet1)->au32Bitmap, &(pSet2)->au32Bitmap, sizeof((pSet1)->au32Bitmap)) == 0)
 
 

trunk/src/VBox/VMM/testcase/tstVMStructSize.cpp

@@ -299 +299 @@
     CHECK_MEMBER_ALIGNMENT(HWACCMCPU, Event.intInfo, 8);
 
+    /* Make sure the set is large enough and has the correct size. */
+    CHECK_SIZE(VMCPUSET, 32);
+    if (sizeof(VMCPUSET) * 8 < VMM_MAX_CPU_COUNT)
+    {
+        printf("error: VMCPUSET is too small for VMM_MAX_CPU_COUNT=%u!\n", VMM_MAX_CPU_COUNT);
+        rc++;
+    }
 
     /*