Changeset 104066 in vbox for trunk/src/VBox/ValidationKit/bootsectors/bs3kit

Timestamp:

Mar 26, 2024 4:06:07 PM (14 months ago)

Author:

vboxsync

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

162459

Message:

ValKit/bootsectors: Added a g_cBs3ThresholdNativeRecompiler variable that can be used instead of BS3_THRESHOLD_NATIVE_RECOMPILER, initializing it with the VMMDEV_TESTING_CFG_THRESHOLD_NATIVE_RECOMPILER value from the host if available. bugref:9898

Location:

trunk/src/VBox/ValidationKit/bootsectors/bs3kit

Files:

• bs3-cmn-TestData.c (modified) (1 diff)
• bs3-cmn-TestInit.c (modified) (2 diffs)
• bs3kit.h (modified) (2 diffs)

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestData.c

@@ -85 +85 @@
 uint16_t    g_usBs3TestStep;
 
+/** The host configurable BS3_THRESHOLD_NATIVE_RECOMPILER value. */
+uint16_t    g_cBs3ThresholdNativeRecompiler = BS3_THRESHOLD_NATIVE_RECOMPILER;
+
+
 /** VMMDEV_TESTING_UNIT_XXX -> string */
 char const  g_aszBs3TestUnitNames[][12] =

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestInit.c

@@ -41 +41 @@
 #include "bs3kit-template-header.h"
 #include "bs3-cmn-test.h"
+#include <iprt/asm-amd64-x86.h>
 
 
@@ -63 +64 @@
     g_cusBs3SubTestsFailed      = 0;
     g_fbBs3VMMDevTesting        = bs3TestIsVmmDevTestingPresent();
+    if (g_fbBs3VMMDevTesting)
+    {
+        uint16_t uValue;
+#if ARCH_BITS == 16
+        ASMOutU16(VMMDEV_TESTING_IOPORT_CMD, (uint16_t)VMMDEV_TESTING_CMD_QUERY_CFG);
+#else
+        ASMOutU32(VMMDEV_TESTING_IOPORT_CMD, VMMDEV_TESTING_CMD_QUERY_CFG);
+#endif
+        ASMOutU16(VMMDEV_TESTING_IOPORT_DATA, VMMDEV_TESTING_CFG_THRESHOLD_NATIVE_RECOMPILER);
+        uValue = ASMInU16(VMMDEV_TESTING_IOPORT_DATA);
+Bs3TestPrintf("VMMDEV_TESTING_CFG_THRESHOLD_NATIVE_RECOMPILER=%RU16\n", uValue);
+        if (uValue > 0 && uValue < 1024)
+            g_cBs3ThresholdNativeRecompiler = uValue;
+    }
 
     /*

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3kit.h

@@ -195 +195 @@
  *
  * @{ */
-
-/** Test repetitions necessary to make sure of engaging native recompilation.
- * @note See iemTbCacheLookup() for the actual constant. */
-#define BS3_THRESHOLD_NATIVE_RECOMPILER     18
 
 
@@ -3617 +3613 @@
 extern uint16_t g_usBs3TestStep;
 
+/** Test repetitions necessary to make sure of engaging native recompilation.
+ * @note See iemTbCacheLookup() for the actual constant. */
+#define BS3_THRESHOLD_NATIVE_RECOMPILER     18
+
+/** The host configurable BS3_THRESHOLD_NATIVE_RECOMPILER value.
+ * The host configuration is read by Bs3TestInit, before that it has the same
+ * value as the compiletime constant. */
+extern uint16_t g_cBs3ThresholdNativeRecompiler;
+
 /**
  * Equivalent to RTTestCreate + RTTestBanner.