[blight] 18369: Add /BREAK option.

Add /BREAK option.
Enter KDB on bootup only if /BREAK options is given.
(You can also use KDBinit to enter KDB a little later than with /BREAK)
Modified: trunk/reactos/ntoskrnl/ex/init.c
Modified: trunk/reactos/ntoskrnl/include/internal/kd.h
Modified: trunk/reactos/ntoskrnl/kd/kdinit.c
  _____

Modified: trunk/reactos/ntoskrnl/ex/init.c
--- trunk/reactos/ntoskrnl/ex/init.c	2005-10-09 00:25:19 UTC (rev
18368)
+++ trunk/reactos/ntoskrnl/ex/init.c	2005-10-09 00:45:33 UTC (rev
18369)
@@ -615,7 +615,7 @@

/* Report all resources used by hal */
     HalReportResourceUsage();
-    
+
     /* Clear the screen to blue */
     HalInitSystem(2, (PLOADER_PARAMETER_BLOCK)&KeLoaderBlock);

@@ -635,7 +635,8 @@
     ExpInitTimeZoneInfo();

/* Enter the kernel debugger before starting up the boot drivers */
-    if (KdDebuggerEnabled) KdbEnter();
+    if (KdDebuggerEnabled && KdpEarlyBreak)
+        DbgBreakPoint();

/* Setup Drivers and Root Device Node */
     IoInit2(BootLog);
  _____

Modified: trunk/reactos/ntoskrnl/include/internal/kd.h
--- trunk/reactos/ntoskrnl/include/internal/kd.h	2005-10-09
00:25:19 UTC (rev 18368)
+++ trunk/reactos/ntoskrnl/include/internal/kd.h	2005-10-09
00:45:33 UTC (rev 18369)
@@ -280,4 +280,7 @@

/* The KD Native Provider List */
 extern LIST_ENTRY KdProviders;

+/* Whether to enter KDB as early as possible or not */
+extern BOOLEAN KdpEarlyBreak;
+
 #endif /* __INCLUDE_INTERNAL_KERNEL_DEBUGGER_H */
  _____

Modified: trunk/reactos/ntoskrnl/kd/kdinit.c
--- trunk/reactos/ntoskrnl/kd/kdinit.c	2005-10-09 00:25:19 UTC (rev
18368)
+++ trunk/reactos/ntoskrnl/kd/kdinit.c	2005-10-09 00:45:33 UTC (rev
18369)
@@ -27,6 +27,7 @@

PKDP_INIT_ROUTINE WrapperInitRoutine;
 KD_DISPATCH_TABLE WrapperTable;
 #endif
+BOOLEAN KdpEarlyBreak = FALSE;
 LIST_ENTRY KdProviders = {&KdProviders, &KdProviders};
 KD_DISPATCH_TABLE DispatchTable[KdMax];

@@ -180,6 +181,12 @@
                 p2 = KdpGetDebugMode(p2);
                 p2 = KdpGetWrapperDebugMode(p2, LoaderBlock);
             }
+            /* Check for early breakpoint */
+            else if (!_strnicmp(p2, "BREAK", 5))
+            {
+                p2 += 5;
+                KdpEarlyBreak = TRUE;
+            }
             /* Check for Kernel Debugging Enable */
             else if (!_strnicmp(p2, "DEBUG", 5))
             {