Index: ecos/packages/hal/arm/arch/current/src/vectors.S
===================================================================
RCS file: /cvs/ecos/ecos/packages/hal/arm/arch/current/src/vectors.S,v
retrieving revision 1.57
diff -u -5 -p -r1.57 vectors.S
--- ecos/packages/hal/arm/arch/current/src/vectors.S	4 Feb 2007 00:16:42 -0000	1.57
+++ ecos/packages/hal/arm/arch/current/src/vectors.S	21 Feb 2007 18:06:24 -0000
@@ -1203,15 +1203,11 @@ __GDB_stack_base:
         .endr
 __GDB_stack:
 #endif
         .balign 16
 __startup_stack_base:
-#ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
-        .rept 512
-#else
-        .rept CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE
-#endif
+        .rept CYGNUM_HAL_COMMON_STARTUP_STACK_SIZE
         .byte 0
         .endr
         .balign 16
 __startup_stack:
 
Index: ecos/packages/hal/common/current/cdl/interrupts.cdl
===================================================================
RCS file: /cvs/ecos/ecos/packages/hal/common/current/cdl/interrupts.cdl,v
retrieving revision 1.5
diff -u -5 -p -r1.5 interrupts.cdl
--- ecos/packages/hal/common/current/cdl/interrupts.cdl	24 Jun 2003 04:01:10 -0000	1.5
+++ ecos/packages/hal/common/current/cdl/interrupts.cdl	21 Feb 2007 18:06:25 -0000
@@ -92,10 +92,24 @@ cdl_option CYGNUM_HAL_COMMON_INTERRUPTS_
         in a configuration with no kernel this stack will also be
         the stack used to invoke the application, and must obviously
         be appropriately large in that case."
 }
 
+cdl_option CYGNUM_HAL_COMMON_STARTUP_STACK_SIZE {
+    display       "Startup stack size"
+    flavor        data
+    default_value { CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK?512:CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE}
+    legal_values  128 to 1048576
+    description   "
+        This configuration option specifies the size in bytes of the
+        HAL startup stack.  This is the stack used when the HAL calls
+        cyg_start().  The size of the startup stack is typically 
+        smaller when interrupt stack switching has been enabled.
+        When interrupt stack switching is disabled, the startup stack
+        is also used during system initialization."
+}
+
 cdl_option CYGSEM_HAL_COMMON_INTERRUPTS_ALLOW_NESTING {
     display       "Allow nested interrupts"
     default_value 0
     description   "
         When an interrupt occurs the HAL interrupt handling code can