Maxim nexpaq / nexpaq_dev

Preliminary main mbed library for nexpaq development

hal/targets/cmsis/TOOLCHAIN_IAR/cmain.S@0:6c56fb4bc5f0, 2016-11-04 (annotated)

Committer:
nexpaq
Date:
Fri Nov 04 20:27:58 2016 +0000
Revision:
0:6c56fb4bc5f0
Moving to library for sharing updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 0:6c56fb4bc5f0 1 /**************************************************
nexpaq 0:6c56fb4bc5f0 2 *
nexpaq 0:6c56fb4bc5f0 3 * Part two of the system initialization code, contains C-level
nexpaq 0:6c56fb4bc5f0 4 * initialization, thumb-2 only variant.
nexpaq 0:6c56fb4bc5f0 5 *
nexpaq 0:6c56fb4bc5f0 6 * Copyright 2006 IAR Systems. All rights reserved.
nexpaq 0:6c56fb4bc5f0 7 *
nexpaq 0:6c56fb4bc5f0 8 * $Revision: 59783 $
nexpaq 0:6c56fb4bc5f0 9 *
nexpaq 0:6c56fb4bc5f0 10 **************************************************/
nexpaq 0:6c56fb4bc5f0 11
nexpaq 0:6c56fb4bc5f0 12
nexpaq 0:6c56fb4bc5f0 13 ; --------------------------------------------------
nexpaq 0:6c56fb4bc5f0 14 ; Module ?cmain, C-level initialization.
nexpaq 0:6c56fb4bc5f0 15 ;
nexpaq 0:6c56fb4bc5f0 16
nexpaq 0:6c56fb4bc5f0 17
nexpaq 0:6c56fb4bc5f0 18 SECTION SHT$$PREINIT_ARRAY:CONST:NOROOT(2)
nexpaq 0:6c56fb4bc5f0 19 SECTION SHT$$INIT_ARRAY:CONST:NOROOT(2)
nexpaq 0:6c56fb4bc5f0 20
nexpaq 0:6c56fb4bc5f0 21 SECTION .text:CODE:NOROOT(2)
nexpaq 0:6c56fb4bc5f0 22
nexpaq 0:6c56fb4bc5f0 23 PUBLIC __cmain
nexpaq 0:6c56fb4bc5f0 24 ;; Keep ?main for legacy reasons, it is accessed in countless instances of cstartup.s around the world...
nexpaq 0:6c56fb4bc5f0 25 PUBLIC ?main
nexpaq 0:6c56fb4bc5f0 26 EXTWEAK __iar_data_init3
nexpaq 0:6c56fb4bc5f0 27 EXTWEAK __iar_argc_argv
nexpaq 0:6c56fb4bc5f0 28 EXTERN __low_level_init
nexpaq 0:6c56fb4bc5f0 29 EXTERN __call_ctors
nexpaq 0:6c56fb4bc5f0 30 EXTERN main
nexpaq 0:6c56fb4bc5f0 31 EXTERN exit
nexpaq 0:6c56fb4bc5f0 32 EXTERN __iar_dynamic_initialization
nexpaq 0:6c56fb4bc5f0 33 EXTERN mbed_sdk_init
nexpaq 0:6c56fb4bc5f0 34 EXTERN SystemInit
nexpaq 0:6c56fb4bc5f0 35
nexpaq 0:6c56fb4bc5f0 36 THUMB
nexpaq 0:6c56fb4bc5f0 37 __cmain:
nexpaq 0:6c56fb4bc5f0 38 ?main:
nexpaq 0:6c56fb4bc5f0 39
nexpaq 0:6c56fb4bc5f0 40 ; Initialize segments.
nexpaq 0:6c56fb4bc5f0 41 ; __segment_init and __low_level_init are assumed to use the same
nexpaq 0:6c56fb4bc5f0 42 ; instruction set and to be reachable by BL from the ICODE segment
nexpaq 0:6c56fb4bc5f0 43 ; (it is safest to link them in segment ICODE).
nexpaq 0:6c56fb4bc5f0 44
nexpaq 0:6c56fb4bc5f0 45 FUNCALL __cmain, __low_level_init
nexpaq 0:6c56fb4bc5f0 46 bl __low_level_init
nexpaq 0:6c56fb4bc5f0 47 cmp r0,#0
nexpaq 0:6c56fb4bc5f0 48 beq ?l1
nexpaq 0:6c56fb4bc5f0 49 FUNCALL __cmain, __iar_data_init3
nexpaq 0:6c56fb4bc5f0 50 bl __iar_data_init3
nexpaq 0:6c56fb4bc5f0 51 MOVS r0,#0 ; No parameters
nexpaq 0:6c56fb4bc5f0 52 FUNCALL __cmain, mbed_sdk_init
nexpaq 0:6c56fb4bc5f0 53 BL mbed_sdk_init
nexpaq 0:6c56fb4bc5f0 54 MOVS r0,#0 ; No parameters
nexpaq 0:6c56fb4bc5f0 55 FUNCALL __cmain, __iar_dynamic_initialization
nexpaq 0:6c56fb4bc5f0 56 BL __iar_dynamic_initialization ; C++ dynamic initialization
nexpaq 0:6c56fb4bc5f0 57
nexpaq 0:6c56fb4bc5f0 58 ?l1:
nexpaq 0:6c56fb4bc5f0 59 REQUIRE ?l3
nexpaq 0:6c56fb4bc5f0 60
nexpaq 0:6c56fb4bc5f0 61 SECTION .text:CODE:NOROOT(2)
nexpaq 0:6c56fb4bc5f0 62
nexpaq 0:6c56fb4bc5f0 63 PUBLIC _main
nexpaq 0:6c56fb4bc5f0 64 PUBLIC _call_main
nexpaq 0:6c56fb4bc5f0 65 THUMB
nexpaq 0:6c56fb4bc5f0 66
nexpaq 0:6c56fb4bc5f0 67 __iar_init$$done: ; Copy initialization is done
nexpaq 0:6c56fb4bc5f0 68
nexpaq 0:6c56fb4bc5f0 69 ?l3:
nexpaq 0:6c56fb4bc5f0 70 _call_main:
nexpaq 0:6c56fb4bc5f0 71 MOVS r0,#0 ; No parameters
nexpaq 0:6c56fb4bc5f0 72 FUNCALL __cmain, __iar_argc_argv
nexpaq 0:6c56fb4bc5f0 73 BL __iar_argc_argv ; Maybe setup command line
nexpaq 0:6c56fb4bc5f0 74
nexpaq 0:6c56fb4bc5f0 75 FUNCALL __cmain, main
nexpaq 0:6c56fb4bc5f0 76 BL main
nexpaq 0:6c56fb4bc5f0 77 _main:
nexpaq 0:6c56fb4bc5f0 78 FUNCALL __cmain, exit
nexpaq 0:6c56fb4bc5f0 79 BL exit
nexpaq 0:6c56fb4bc5f0 80
nexpaq 0:6c56fb4bc5f0 81 END