Changeset 100672 in vbox for trunk

Timestamp:

Jul 21, 2023 12:28:54 AM (19 months ago)

Author:

vboxsync

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

158512

Message:

VMM/IEM: Some VxD syscall logging. bugref:10369

Location:

trunk

Files:

• include/VBox/log.h (modified) (2 diffs)
• include/iprt/log.h (modified) (1 diff)
• src/VBox/VMM/Makefile.kmk (modified) (2 diffs)
• src/VBox/VMM/VMMAll/IEMAll.cpp (modified) (2 diffs)
• src/VBox/VMM/VMMAll/IEMAllDbg.cpp (added)
• src/VBox/VMM/include/IEMInternal.h (modified) (1 diff)

trunk/include/VBox/log.h

@@ -309 +309 @@
     /** IEM AMD-V group. */
     LOG_GROUP_IEM_SVM,
+    /** IEM syscall decoding group (log levels for individual OSes). */
+    LOG_GROUP_IEM_SYSCALL,
     /** IEM VT-x group. */
     LOG_GROUP_IEM_VMX,
@@ -972 +974 @@
     "IEM_RE_THREADED", \
     "IEM_SVM", \
+    "IEM_SYSCALL", \
     "IEM_VMX", \
     "IOBUFMGMT", \

trunk/include/iprt/log.h

@@ -633 +633 @@
 # define LogIsItEnabled(a_fFlags, a_iGroup) (false)
 #endif
+
+/** @def LogIsEnabledOnly
+ * Checks whether the group is enabled w/o reference to any specific level.
+ */
+#define LogIsEnabledOnly()  LogIsItEnabled(RTLOGGRPFLAGS_ENABLED, LOG_GROUP)
 
 /** @def LogIsEnabled

trunk/src/VBox/VMM/Makefile.kmk

@@ -197 +197 @@
         VMMAll/IEMAllCImplSvmInstr.cpp \
         VMMAll/IEMAllCImplVmxInstr.cpp \
+        VMMAll/IEMAllDbg.cpp \
         VMMAll/IOMAll.cpp \
         VMMAll/IOMAllMmioNew.cpp \
@@ -776 +777 @@
         VMMAll/IEMAllCImplSvmInstr.cpp \
         VMMAll/IEMAllCImplVmxInstr.cpp \
+        VMMAll/IEMAllDbg.cpp \
         VMMAll/IOMAll.cpp \
         VMMAll/IOMAllMmioNew.cpp \

trunk/src/VBox/VMM/VMMAll/IEMAll.cpp

@@ -88 +88 @@
  *      - Flow (LogFlow)  : Misc flow stuff (cleanup?)
  *      - Level 2  (Log2) : VM exits.
+ *
+ * The syscall logging level assignments:
+ *      - Level 1: DOS and BIOS.
+ *      - Level 2: Windows 3.x
+ *      - Level 3: Linux.
  */
 
@@ -3251 +3256 @@
         return iemRaiseSelectorNotPresentBySelector(pVCpu, NewCS);
     }
+
+#ifdef LOG_ENABLED
+    /* If software interrupt, try decode it if logging is enabled and such. */
+    if (   (fFlags & IEM_XCPT_FLAGS_T_SOFT_INT)
+        && LogIsItEnabled(RTLOGGRPFLAGS_ENABLED, LOG_GROUP_IEM_SYSCALL))
+        iemLogSyscallProtModeInt(pVCpu, u8Vector, cbInstr);
+#endif
 
     /* Check the new EIP against the new CS limit. */

trunk/src/VBox/VMM/include/IEMInternal.h

@@ -4224 +4224 @@
 #endif
 VBOXSTRICTRC            iemRaiseSimdFpException(PVMCPUCC pVCpu) RT_NOEXCEPT;
+
+void                    iemLogSyscallProtModeInt(PVMCPUCC pVCpu, uint8_t u8Vector, uint8_t cbInstr);
 
 IEM_CIMPL_DEF_0(iemCImplRaiseDivideError);