[arty] 29672: Debug DbgBreakPoint and drop to GDB on program trap.

Author: arty
Date: Fri Oct 19 11:22:01 2007
New Revision: 29672

URL: http://svn.reactos.org/svn/reactos?rev=29672&view=rev
Log:
Debug DbgBreakPoint and drop to GDB on program trap.

Modified:
    trunk/reactos/boot/freeldr/freeldr/arch/powerpc/mach.c
    trunk/reactos/lib/ppcmmu/gdblib.c
    trunk/reactos/lib/ppcmmu/mmuobject.c

Modified: trunk/reactos/boot/freeldr/freeldr/arch/powerpc/mach.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/powerpc/mach.c (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/powerpc/mach.c Fri Oct 19 11:22:01 2007
@@ -514,7 +514,7 @@
 }
 
 extern int _bss;
-typedef unsigned int uint32_t;
+//typedef unsigned int uint32_t;
 
 void PpcDefaultMachVtbl()
 {
@@ -661,5 +661,5 @@
 }
 
 void DbgBreakPoint() {
-    ofw_exit();
-}
+    __asm__("twi 31,0,0");
+}

Modified: trunk/reactos/lib/ppcmmu/gdblib.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/ppcmmu/gdblib.c?rev=29…
==============================================================================
--- trunk/reactos/lib/ppcmmu/gdblib.c (original)
+++ trunk/reactos/lib/ppcmmu/gdblib.c Fri Oct 19 11:22:01 2007
@@ -249,42 +249,24 @@
 
     PacketSent = 0;
     
-    do {
-        if (!count)
-        { 
-            SerialWrite('$');
-            for (i = 0; i < DataOutAddr; i++)
-            {
-                SerialWrite(DataOutBuffer[i]);
-            }
-            SerialWrite('#');
-            SerialWrite(hex[(DataOutCsum >> 4) & 15]);
-            SerialWrite(hex[DataOutCsum & 15]);
-        }
-        while(count-- != 0)
-        {
-            if (chr(serport))
-            {
-                ch = SerialRead();
-                break;
-            }
-        }
-        
-        switch (ch)
-        {
-        default:
-            break;
-
-        case '-':
-            count = 0;
-            break;
-
-        case '+':
-            PacketSent = 1;
-            break;
-        }
-    } while(PacketSent != 1);
-}
+    SerialWrite('$');
+    for (i = 0; i < DataOutAddr; i++)
+    {
+        SerialWrite(DataOutBuffer[i]);
+    }
+    SerialWrite('#');
+    SerialWrite(hex[(DataOutCsum >> 4) & 15]);
+    SerialWrite(hex[DataOutCsum & 15]);
+
+    while(!chr(serport) && ((ch = SerialRead()) != '+') && (ch !=
'$'));
+    if (ch == '$')
+    {
+        ParseState = 0;
+        DataInAddr = 0;
+        ComputedCsum = 0;
+    }
+}
+
 
 void PacketWriteString(char *str)
 {
@@ -481,8 +463,7 @@
 {
     Signal = n;
     RegisterSaveArea = tf;
-    if (SendSignal)
-        PacketWriteSignal(Signal);
+    PacketWriteSignal(Signal);
     SendSignal = 0;
     Continue = 0;
     while(!Continue) SerialInterrupt(n, tf);

Modified: trunk/reactos/lib/ppcmmu/mmuobject.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/ppcmmu/mmuobject.c?rev…
==============================================================================
--- trunk/reactos/lib/ppcmmu/mmuobject.c (original)
+++ trunk/reactos/lib/ppcmmu/mmuobject.c Fri Oct 19 11:22:01 2007
@@ -304,6 +304,9 @@
     /* Serial Interrupt */
     callback[5] = SerialInterrupt;
 
+    /* Program Exception */
+    callback[6] = TakeException;
+
     /* Floating point exception */
     callback[8] = fpenable;