diff --git a/build/scripts/Targets/TargetDescriptionFiles/AVR8/Services/ValidationService.php b/build/scripts/Targets/TargetDescriptionFiles/AVR8/Services/ValidationService.php
index 0437d2ad..b7c1320e 100644
--- a/build/scripts/Targets/TargetDescriptionFiles/AVR8/Services/ValidationService.php
+++ b/build/scripts/Targets/TargetDescriptionFiles/AVR8/Services/ValidationService.php
@@ -50,6 +50,13 @@ class ValidationService extends \Targets\TargetDescriptionFiles\Services\Validat
             $failures[] = 'Missing signatures memory segment';
         }
 
+        if (
+            $tdf->getMemorySegment('data', 'gp_registers') === null
+            && $tdf->getMemorySegment('register_file', 'gp_registers') === null
+        ) {
+            $failures[] = 'Missing "gp_registers" memory segment';
+        }
+
         if ($tdf->getSignature() === null) {
             $failures[] = "Missing or incomplete AVR signature.";
         }
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA28.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA28.xml
index 1452f153..b657d558 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA28.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA28.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA32.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA32.xml
index 75c0f77b..4e1351e1 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA32.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA32.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA48.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA48.xml
index 27d145a7..761c91ae 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA48.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA48.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA64.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA64.xml
index 4039f5d4..2415457d 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA64.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DA64.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB28.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB28.xml
index fadb2e88..f6ea39e2 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB28.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB28.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB32.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB32.xml
index b3f86093..0f74c554 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB32.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB32.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB48.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB48.xml
index b3514100..ad3f2b4c 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB48.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB48.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB64.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB64.xml
index 3d7b0971..e593eefa 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB64.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR128DB64.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD14.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD14.xml
index de47a21e..a003f374 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD14.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD14.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD20.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD20.xml
index 05ee4dfd..f20b4cca 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD20.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD20.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD28.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD28.xml
index 4f786903..a37478f7 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD28.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD28.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD32.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD32.xml
index 04bd3623..03f36c13 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD32.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR16DD32.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA28.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA28.xml
index 437f1ebf..a4902eba 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA28.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA28.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA32.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA32.xml
index 62875540..bff9c14a 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA32.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA32.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA48.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA48.xml
index f0814ed3..dd62c957 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA48.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DA48.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB28.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB28.xml
index 527f3a13..dda206a8 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB28.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB28.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB32.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB32.xml
index 8ee56b95..0e06e688 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB32.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB32.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB48.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB48.xml
index cbc2eefd..43e5d538 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB48.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DB48.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD14.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD14.xml
index 5875e49d..bc3e75e2 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD14.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD14.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD20.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD20.xml
index d9360a37..5dd57ed4 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD20.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD20.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD28.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD28.xml
index 1641e757..751594ab 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD28.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD28.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD32.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD32.xml
index 828c3138..e7dceead 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD32.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR32DD32.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA28.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA28.xml
index a4f4273a..feba1f64 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA28.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA28.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA32.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA32.xml
index 42489781..17004343 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA32.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA32.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA48.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA48.xml
index 7fe0fc37..4d5f3051 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA48.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA48.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA64.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA64.xml
index c2c4c958..b5be6a13 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA64.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DA64.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB28.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB28.xml
index 504cbd03..8d0c62f2 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB28.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB28.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB32.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB32.xml
index ca198514..1700c54a 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB32.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB32.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB48.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB48.xml
index 59feb912..c2ef67bf 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB48.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB48.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB64.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB64.xml
index 391ef18e..fd0a085f 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB64.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DB64.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="512" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD14.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD14.xml
index fcd7a3fc..21978e72 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD14.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD14.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD20.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD20.xml
index c8b6a5c0..f392e34b 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD20.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD20.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD28.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD28.xml
index 6915fde4..0cdc1685 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD28.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD28.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD32.xml b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD32.xml
index 476a9fb8..d104617d 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD32.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/D-SERIES/AVR64DD32.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="1" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001050" size="16" page-size="1" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA28.xml b/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA28.xml
index 1ee550c9..17cbdf45 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA28.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA28.xml
@@ -16,6 +16,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="4" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA32.xml b/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA32.xml
index d2b673dd..eda815ad 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA32.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA32.xml
@@ -16,6 +16,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="4" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA48.xml b/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA48.xml
index 63aee248..a08417cb 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA48.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/E-SERIES/AVR64EA48.xml
@@ -16,6 +16,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="io" name="Input/Output" type="io" start="0x00000000" size="4159" access="RW"/>
             <memory-segment key="lockbits" name="Lockbits" type="lockbits" start="0x00001040" size="4" page-size="4" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA1608.xml b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA1608.xml
index 12bb141d..92e7c925 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA1608.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA1608.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA1609.xml b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA1609.xml
index c5b568b3..014f67d4 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA1609.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA1609.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA3208.xml b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA3208.xml
index 8dc7e8e0..5563da2b 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA3208.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA3208.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="64" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="64" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA3209.xml b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA3209.xml
index 497df1d6..aa5e711c 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA3209.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA3209.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="64" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="64" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4808.xml b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4808.xml
index efebcd99..bb5876bb 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4808.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4808.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="64" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="64" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4809.xml b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4809.xml
index 8c39ee8b..c77198be 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4809.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA4809.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="64" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="64" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA808.xml b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA808.xml
index 831a2b6d..a6e02fa1 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA808.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA808.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA809.xml b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA809.xml
index 4978a1e9..dcf3c76b 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA809.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/MEGA/ATMEGA809.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1604.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1604.xml
index 7cc48ba5..29d98083 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1604.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1604.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="49152" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1606.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1606.xml
index e914896e..58b13c94 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1606.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1606.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="49152" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1607.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1607.xml
index deb49f8b..29b4ceaa 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1607.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1607.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="49152" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1614.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1614.xml
index ca465fd9..082f1348 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1614.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1614.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="49152" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1616.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1616.xml
index 04976c49..b934782a 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1616.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1616.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="49152" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1617.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1617.xml
index 91519636..099f35c8 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1617.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1617.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="49152" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1624.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1624.xml
index d8953ab5..c2300105 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1624.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1624.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1626.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1626.xml
index bc2d9082..c951047d 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1626.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1626.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1627.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1627.xml
index 6f9470f3..62dcb8db 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1627.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY1627.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY202.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY202.xml
index f963dd6f..6fd77415 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY202.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY202.xml
@@ -18,6 +18,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="34816" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="64" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY204.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY204.xml
index 91feef29..233044b4 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY204.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY204.xml
@@ -18,6 +18,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="34816" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="64" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY212.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY212.xml
index b4fbc295..5c4c2245 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY212.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY212.xml
@@ -18,6 +18,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="34816" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="64" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY214.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY214.xml
index d2d02bcd..699d03f7 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY214.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY214.xml
@@ -18,6 +18,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="34816" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="64" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY3216.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY3216.xml
index 13cb0323..e70aace9 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY3216.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY3216.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="64" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="64" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY3217.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY3217.xml
index df7185e6..c0a85c28 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY3217.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY3217.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="65536" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="256" page-size="64" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="64" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY402.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY402.xml
index 63bf7b77..71763854 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY402.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY402.xml
@@ -18,6 +18,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY404.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY404.xml
index 9abe0c25..e4f25f0d 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY404.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY404.xml
@@ -18,6 +18,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY406.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY406.xml
index bbf3d610..7604846c 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY406.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY406.xml
@@ -18,6 +18,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY412.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY412.xml
index 95e242c2..035ebe10 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY412.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY412.xml
@@ -18,6 +18,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY414.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY414.xml
index 262e5f3d..7e591ab8 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY414.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY414.xml
@@ -18,6 +18,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY416.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY416.xml
index 30d64c36..2a41ced3 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY416.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY416.xml
@@ -18,6 +18,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY417.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY417.xml
index f231fe17..d870f82e 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY417.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY417.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY804.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY804.xml
index 9188ac03..f985057a 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY804.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY804.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="40960" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY806.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY806.xml
index 83a3978c..a44cbd49 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY806.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY806.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="40960" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY807.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY807.xml
index d7987176..0e915df8 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY807.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY807.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="40960" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY814.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY814.xml
index c48b4398..10ebc73d 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY814.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY814.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="40960" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY816.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY816.xml
index efd93648..4bfb74ef 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY816.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY816.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="40960" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY817.xml b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY817.xml
index 881f0f71..8ecb338a 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY817.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/TINY/ATTINY817.xml
@@ -19,6 +19,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="data" start="0x00000000" size="40960" endianness="little">
             <memory-segment key="internal_eeprom" name="Internal EEPROM" type="eeprom" start="0x00001400" size="128" page-size="32" access="RW"/>
             <memory-segment key="fuses" name="Fuses" type="fuses" start="0x00001280" size="10" page-size="32" access="RW"/>
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A1.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A1.xml
index 11ca5284..d0b86dce 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A1.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A1.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="139264" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="139264" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="131072">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A1U.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A1U.xml
index 05166ee9..774aa337 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A1U.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A1U.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="139264" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="139264" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="131072">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A3.xml
index ed47209c..c8f680e4 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="139264" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="139264" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="131072">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A3U.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A3U.xml
index 2bc62145..b9243fd7 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A3U.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A3U.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="139264" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="139264" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="131072">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A4U.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A4U.xml
index e77d4777..5bf29f14 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A4U.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128A4U.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="139264" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="139264" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="131072">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128B1.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128B1.xml
index 2a95473e..112cdaca 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128B1.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128B1.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="139264" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="139264" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="131072">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128B3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128B3.xml
index 489cba11..eac12182 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128B3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128B3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="139264" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="139264" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="131072">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128C3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128C3.xml
index 52cc96f5..8598917e 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128C3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128C3.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="139264" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="139264" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="131072">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128D3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128D3.xml
index 2fc2c835..467d3665 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128D3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128D3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="139264" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="139264" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="131072">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128D4.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128D4.xml
index 15cbd2f2..edaa7769 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128D4.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA128D4.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="139264" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="139264" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="131072">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16A4.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16A4.xml
index a5bab22f..c5f9f981 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16A4.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16A4.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="20480" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="20480" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="16384">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16A4U.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16A4U.xml
index b678b3de..a44ba001 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16A4U.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16A4U.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="20480" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="20480" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="16384">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16C4.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16C4.xml
index 3e77d532..aad8ab28 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16C4.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16C4.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="20480" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="20480" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="16384">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16D4.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16D4.xml
index 34e248ea..b06a77c4 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16D4.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16D4.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="20480" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="20480" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="16384">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16E5.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16E5.xml
index 2df1afeb..f33e89a3 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16E5.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA16E5.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="20480" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="20480" page-size="128" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="16384">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192A3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192A3.xml
index b15fa7fe..89408673 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192A3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192A3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="204800" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="204800" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="196608">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192A3U.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192A3U.xml
index f5868891..6a3a23e7 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192A3U.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192A3U.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="204800" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="204800" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="196608">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192C3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192C3.xml
index f68388d5..e0819167 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192C3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192C3.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="204800" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="204800" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="196608">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192D3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192D3.xml
index 29be2b0c..cdb2c19e 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192D3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA192D3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="204800" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="204800" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="196608">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3.xml
index d2d4f1f2..9699d685 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="270336" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="270336" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="262144">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3B.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3B.xml
index 6fba3c14..d3005235 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3B.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3B.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="270336" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="270336" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="262144">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3BU.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3BU.xml
index cedd2f63..d3a45b95 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3BU.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3BU.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="270336" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="270336" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="262144">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3U.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3U.xml
index 9e6d2f58..85dc96e4 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3U.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256A3U.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="270336" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="270336" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="262144">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256C3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256C3.xml
index f2489b5b..7e347e1a 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256C3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256C3.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="270336" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="270336" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="262144">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256D3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256D3.xml
index d0c560bd..7e841b58 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256D3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA256D3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="270336" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="270336" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="262144">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32A4.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32A4.xml
index 34e164ed..c59d7522 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32A4.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32A4.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="36864" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="32768">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32A4U.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32A4U.xml
index ad471c17..9ab7e44b 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32A4U.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32A4U.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="36864" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="32768">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32C3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32C3.xml
index c8fc1c3a..c1bf7085 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32C3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32C3.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="36864" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="32768">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32C4.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32C4.xml
index 1968286a..eaa41b04 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32C4.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32C4.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="36864" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="32768">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32D3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32D3.xml
index f95ed2a1..0cb484da 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32D3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32D3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="36864" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="32768">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32D4.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32D4.xml
index 58e84768..f2139271 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32D4.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32D4.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="36864" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="32768">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32E5.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32E5.xml
index ab6ffe0b..ffaf1432 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32E5.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA32E5.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="36864" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="36864" page-size="128" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="32768">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA384C3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA384C3.xml
index 70890ebb..f72d1e08 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA384C3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA384C3.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="401408" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="401408" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="393216">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA384D3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA384D3.xml
index fe1061dc..8b00a593 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA384D3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA384D3.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="401408" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="401408" page-size="512" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="393216">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A1.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A1.xml
index 26eaf3d8..6ca9c982 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A1.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A1.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="69632" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="69632" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="65536">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A1U.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A1U.xml
index 58a6f3af..02492f21 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A1U.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A1U.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="69632" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="69632" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="65536">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A3.xml
index 85d35696..0e4f20fe 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="69632" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="69632" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="65536">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A3U.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A3U.xml
index 20699f1b..3989f803 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A3U.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A3U.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="69632" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="69632" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="65536">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A4U.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A4U.xml
index 92fc29ec..4d65f0f5 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A4U.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64A4U.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="69632" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="69632" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="65536">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64B1.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64B1.xml
index abb3f3d2..22c61099 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64B1.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64B1.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="69632" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="69632" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="65536">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64B3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64B3.xml
index ca5603a5..1d1d68ae 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64B3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64B3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="69632" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="69632" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="65536">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64C3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64C3.xml
index 65456264..0a88a5fe 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64C3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64C3.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="69632" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="69632" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="65536">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64D3.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64D3.xml
index 7b973f17..7e120313 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64D3.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64D3.xml
@@ -21,6 +21,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="69632" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="69632" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="65536">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64D4.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64D4.xml
index 719543da..3ecb1c02 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64D4.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA64D4.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="69632" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="69632" page-size="256" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="65536">
diff --git a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA8E5.xml b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA8E5.xml
index a534bdfa..92ebdcd9 100644
--- a/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA8E5.xml
+++ b/src/Targets/TargetDescriptionFiles/AVR8/XMEGA/ATXMEGA8E5.xml
@@ -20,6 +20,9 @@
         </property-group>
     </property-groups>
     <address-spaces>
+        <address-space key="register_file" start="0x00000000" size="32" endianness="little">
+            <memory-segment key="gp_registers" name="General Purpose Registers" type="gp_registers" start="0x00000000" size="32"/>
+        </address-space>
         <address-space key="prog" start="0x00000000" size="10240" endianness="little">
             <memory-segment key="internal_program_memory" name="Internal FLASH" type="flash" start="0x00000000" size="10240" page-size="128" access="RW">
                 <section key="app_section" name="Application Section" start="0x00000000" size="8192">