+++ /dev/null
-Index: rtems-051009/c/src/lib/libbsp/arm/csb336/start/start.S
-===================================================================
---- rtems-051009.orig/c/src/lib/libbsp/arm/csb336/start/start.S
-+++ rtems-051009/c/src/lib/libbsp/arm/csb336/start/start.S
-@@ -72,6 +72,13 @@ _bss_init:
- ldr sp, =_abt_stack
- add sp, sp, r1
-
-+ /* Enter UNDEF mode and set up the UNDEF stack pointer */
-+ mov r0, #(PSR_MODE_UNDEF | PSR_I | PSR_F) /* No interrupts */
-+ msr cpsr, r0
-+ ldr r1, =_undef_stack_size
-+ ldr sp, =_undef_stack
-+ add sp, sp, r1
-+
- /* Set up the SVC stack pointer last and stay in SVC mode */
- mov r0, #(PSR_MODE_SVC | PSR_I | PSR_F) /* No interrupts */
- msr cpsr, r0
-Index: rtems-051009/c/src/lib/libbsp/arm/csb336/startup/linkcmds
-===================================================================
---- rtems-051009.orig/c/src/lib/libbsp/arm/csb336/startup/linkcmds
-+++ rtems-051009/c/src/lib/libbsp/arm/csb336/startup/linkcmds
-@@ -33,7 +33,8 @@ _sdram_size = DEFINED(_sdram_size) ? _sd
-
- _irq_stack_size = DEFINED(_irq_stack_size) ? _irq_stack_size : 0x1000;
- _fiq_stack_size = DEFINED(_fiq_stack_size) ? _fiq_stack_size : 0x400;
--_abt_stack_size = DEFINED(_abt_stack_size) ? _abt_stack_size : 0x100;
-+_abt_stack_size = DEFINED(_abt_stack_size) ? _abt_stack_size : 0x400;
-+_undef_stack_size = DEFINED(_undef_stack_size) ? _undef_stack_size : 0x400;
- _svc_stack_size = DEFINED(_svc_stack_size) ? _svc_stack_size : 0x1000;
-
-
-@@ -167,6 +168,10 @@ SECTIONS
- . += _abt_stack_size;
-
- . = ALIGN (256);
-+ _undef_stack = .;
-+ . += _undef_stack_size;
-+
-+ . = ALIGN (256);
- _irq_stack = .;
- . += _irq_stack_size;
-