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/**************************************************
*
* Part one of the system initialization code, contains low-level
* initialization, plain thumb variant.
*
* Copyright 2008 IAR Systems. All rights reserved.
*
* $Revision: 34775 $
*
**************************************************/
;
; The modules in this file are included in the libraries, and may be replaced
; by any user-defined modules that define the PUBLIC symbol _program_start or
; a user defined start symbol.
; To override the cstartup defined in the library, simply add your modified
; version to the workbench project.
;
; The vector table is normally located at address 0.
; When debugging in RAM, it can be located in RAM, aligned to at least 2^6.
; The name "__vector_table" has special meaning for C-SPY:
; it is where the SP start value is found, and the NVIC vector
; table register (VTOR) is initialized to this address if != 0.
;
; Cortex-M version
;
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 PSTACK:DATA:NOROOT(3)
SECTION .intvec:CODE:NOROOT(3)
PUBLIC __iar_program_start
EXTERN __vector_table
EXTWEAK __iar_init_core
EXTWEAK __iar_init_vfp
SECTION .text:CODE:REORDER(2)
THUMB
__iar_program_start:
cpsid i
ldr r0, =sfe(PSTACK)
msr PSP, r0
movs r0, #CONTROL_MODE_PRIVILEGED | CONTROL_USE_PSP
msr CONTROL, r0
isb
bl hwinit0
bl __iar_init_core
bl __iar_init_vfp
; Replicated cmain.s here in order to insert the call to hwinit1.
EXTERN main
EXTERN _exit
EXTWEAK __low_level_init
EXTWEAK __iar_data_init3
bl __low_level_init
cmp r0, #0
beq.n _call_main
bl __iar_data_init3
_call_main:
bl hwinit1
bl main
bl _exit
PUBWEAK hwinit0
hwinit0:
bx lr
PUBWEAK hwinit1
hwinit1:
bx lr
REQUIRE __vector_table
END
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