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diff --git a/os/common/startup/ARMCMx/compilers/RVCT/cstartup.s b/os/common/startup/ARMCMx/compilers/RVCT/cstartup.s
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+/*
+ ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file ARMCMx/RVCT/cstartup.s
+ * @brief Generic RVCT Cortex-Mx startup file.
+ *
+ * @addtogroup ARMCMx_RVCT_STARTUP
+ * @{
+ */
+
+#if !defined(__DOXYGEN__)
+
+;/* <<< Use Configuration Wizard in Context Menu >>> */
+
+;// <h> Main Stack Configuration (IRQ Stack)
+;// <o> Main Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
+;// </h>
+main_stack_size EQU 0x00000400
+
+;// <h> Process Stack Configuration
+;// <o> Process Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
+;// </h>
+proc_stack_size EQU 0x00000400
+
+;// <h> C-runtime heap size
+;// <o> C-runtime heap size (in Bytes) <0x0-0xFFFFFFFF:8>
+;// </h>
+heap_size EQU 0x00000400
+
+ AREA MSTACK, NOINIT, READWRITE, ALIGN=3
+main_stack_mem SPACE main_stack_size
+ EXPORT __initial_msp
+__initial_msp
+
+ AREA CSTACK, NOINIT, READWRITE, ALIGN=3
+__main_thread_stack_base__
+ EXPORT __main_thread_stack_base__
+proc_stack_mem SPACE proc_stack_size
+ EXPORT __initial_sp
+__initial_sp
+
+ AREA HEAP, NOINIT, READWRITE, ALIGN=3
+__heap_base
+Heap_Mem SPACE heap_size
+__heap_limit
+
+CONTROL_MODE_PRIVILEGED EQU 0
+CONTROL_MODE_UNPRIVILEGED EQU 1
+CONTROL_USE_MSP EQU 0
+CONTROL_USE_PSP EQU 2
+
+ PRESERVE8
+ THUMB
+
+ AREA |.text|, CODE, READONLY
+
+/*
+ * Reset handler.
+ */
+ IMPORT __main
+ EXPORT Reset_Handler
+Reset_Handler PROC
+ cpsid i
+ ldr r0, =__initial_sp
+ msr PSP, r0
+ movs r0, #CONTROL_MODE_PRIVILEGED :OR: CONTROL_USE_PSP
+ msr CONTROL, r0
+ isb
+ bl __early_init
+
+ IF {CPU} = "Cortex-M4.fp"
+ LDR R0, =0xE000ED88 ; Enable CP10,CP11
+ LDR R1, [R0]
+ ORR R1, R1, #(0xF << 20)
+ STR R1, [R0]
+ ENDIF
+
+ ldr r0, =__main
+ bx r0
+ ENDP
+
+__early_init PROC
+ EXPORT __early_init [WEAK]
+ bx lr
+ ENDP
+
+ ALIGN
+
+/*
+ * User Initial Stack & Heap.
+ */
+ IF :DEF:__MICROLIB
+
+ EXPORT __initial_sp
+ EXPORT __heap_base
+ EXPORT __heap_limit
+
+ ELSE
+
+ IMPORT __use_two_region_memory
+ EXPORT __user_initial_stackheap
+__user_initial_stackheap
+ ldr r0, =Heap_Mem
+ ldr r1, =(proc_stack_mem + proc_stack_size)
+ ldr r2, =(Heap_Mem + heap_size)
+ ldr r3, =proc_stack_mem
+ bx lr
+
+ ALIGN
+
+ ENDIF
+
+ END
+
+#endif /* !defined(__DOXYGEN__) */
+
+/**< @} */