cstartup.s
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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/RT 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/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
MODULE ?cstartup
CONTROL_MODE_PRIVILEGED SET 0
CONTROL_MODE_UNPRIVILEGED SET 1
CONTROL_USE_MSP SET 0
CONTROL_USE_PSP SET 2
AAPCS INTERWORK, VFP_COMPATIBLE, ROPI
PRESERVE8
SECTION .intvec:CODE:NOROOT(3)
SECTION CSTACK:DATA:NOROOT(3)
PUBLIC __main_thread_stack_base__
__main_thread_stack_base__:
PUBLIC __heap_end__
__heap_end__:
SECTION SYSHEAP:DATA:NOROOT(3)
PUBLIC __heap_base__
__heap_base__:
PUBLIC __iar_program_start
EXTERN __vector_table
EXTWEAK __iar_init_core
EXTWEAK __iar_init_vfp
EXTERN __cmain
SECTION .text:CODE:REORDER(2)
REQUIRE __vector_table
THUMB
__iar_program_start:
cpsid i
ldr r0, =SFE(CSTACK)
msr PSP, r0
movs r0, #CONTROL_MODE_PRIVILEGED | CONTROL_USE_PSP
msr CONTROL, r0
isb
bl __early_init
bl __iar_init_core
bl __iar_init_vfp
b __cmain
PUBWEAK __early_init
__early_init:
bx lr
END