Fawwaz Nadzmy / mbed-STM

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

cmsis/TOOLCHAIN_IAR/cmain.S@153:9398a535854b, 2016-12-22 (annotated)

Committer:
fwndz
Date:
Thu Dec 22 05:12:40 2016 +0000
Revision:
153:9398a535854b
Parent:
149:156823d33999 
device target maximize

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**************************************************
<> 144:ef7eb2e8f9f7 2 *
<> 144:ef7eb2e8f9f7 3 * Part two of the system initialization code, contains C-level
<> 144:ef7eb2e8f9f7 4 * initialization, thumb-2 only variant.
<> 144:ef7eb2e8f9f7 5 *
<> 144:ef7eb2e8f9f7 6 * Copyright 2006 IAR Systems. All rights reserved.
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * $Revision: 59783 $
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 **************************************************/
<> 144:ef7eb2e8f9f7 11
<> 144:ef7eb2e8f9f7 12
<> 144:ef7eb2e8f9f7 13 ; --------------------------------------------------
<> 144:ef7eb2e8f9f7 14 ; Module ?cmain, C-level initialization.
<> 144:ef7eb2e8f9f7 15 ;
<> 144:ef7eb2e8f9f7 16
<> 144:ef7eb2e8f9f7 17
<> 144:ef7eb2e8f9f7 18 SECTION SHT$$PREINIT_ARRAY:CONST:NOROOT(2)
<> 144:ef7eb2e8f9f7 19 SECTION SHT$$INIT_ARRAY:CONST:NOROOT(2)
<> 144:ef7eb2e8f9f7 20
<> 144:ef7eb2e8f9f7 21 SECTION .text:CODE:NOROOT(2)
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 PUBLIC __cmain
<> 144:ef7eb2e8f9f7 24 ;; Keep ?main for legacy reasons, it is accessed in countless instances of cstartup.s around the world...
<> 144:ef7eb2e8f9f7 25 PUBLIC ?main
<> 144:ef7eb2e8f9f7 26 EXTWEAK __iar_data_init3
<> 144:ef7eb2e8f9f7 27 EXTWEAK __iar_argc_argv
<> 144:ef7eb2e8f9f7 28 EXTERN __low_level_init
<> 144:ef7eb2e8f9f7 29 EXTERN __call_ctors
<> 144:ef7eb2e8f9f7 30 EXTERN main
<> 144:ef7eb2e8f9f7 31 EXTERN exit
<> 144:ef7eb2e8f9f7 32 EXTERN __iar_dynamic_initialization
<> 144:ef7eb2e8f9f7 33 EXTERN mbed_sdk_init
<> 144:ef7eb2e8f9f7 34 EXTERN SystemInit
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 THUMB
<> 144:ef7eb2e8f9f7 37 __cmain:
<> 144:ef7eb2e8f9f7 38 ?main:
<> 144:ef7eb2e8f9f7 39
<> 144:ef7eb2e8f9f7 40 ; Initialize segments.
<> 144:ef7eb2e8f9f7 41 ; __segment_init and __low_level_init are assumed to use the same
<> 144:ef7eb2e8f9f7 42 ; instruction set and to be reachable by BL from the ICODE segment
<> 144:ef7eb2e8f9f7 43 ; (it is safest to link them in segment ICODE).
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 FUNCALL __cmain, __low_level_init
<> 144:ef7eb2e8f9f7 46 bl __low_level_init
<> 144:ef7eb2e8f9f7 47 cmp r0,#0
<> 144:ef7eb2e8f9f7 48 beq ?l1
<> 144:ef7eb2e8f9f7 49 FUNCALL __cmain, __iar_data_init3
<> 144:ef7eb2e8f9f7 50 bl __iar_data_init3
<> 144:ef7eb2e8f9f7 51 MOVS r0,#0 ; No parameters
<> 144:ef7eb2e8f9f7 52 FUNCALL __cmain, mbed_sdk_init
<> 144:ef7eb2e8f9f7 53 BL mbed_sdk_init
<> 144:ef7eb2e8f9f7 54 MOVS r0,#0 ; No parameters
<> 144:ef7eb2e8f9f7 55 FUNCALL __cmain, __iar_dynamic_initialization
<> 144:ef7eb2e8f9f7 56 BL __iar_dynamic_initialization ; C++ dynamic initialization
<> 144:ef7eb2e8f9f7 57
<> 144:ef7eb2e8f9f7 58 ?l1:
<> 144:ef7eb2e8f9f7 59 REQUIRE ?l3
<> 144:ef7eb2e8f9f7 60
<> 144:ef7eb2e8f9f7 61 SECTION .text:CODE:NOROOT(2)
<> 144:ef7eb2e8f9f7 62
<> 144:ef7eb2e8f9f7 63 PUBLIC _main
<> 144:ef7eb2e8f9f7 64 PUBLIC _call_main
<> 144:ef7eb2e8f9f7 65 THUMB
<> 144:ef7eb2e8f9f7 66
<> 144:ef7eb2e8f9f7 67 __iar_init$$done: ; Copy initialization is done
<> 144:ef7eb2e8f9f7 68
<> 144:ef7eb2e8f9f7 69 ?l3:
<> 144:ef7eb2e8f9f7 70 _call_main:
<> 144:ef7eb2e8f9f7 71 MOVS r0,#0 ; No parameters
<> 144:ef7eb2e8f9f7 72 FUNCALL __cmain, __iar_argc_argv
<> 144:ef7eb2e8f9f7 73 BL __iar_argc_argv ; Maybe setup command line
<> 144:ef7eb2e8f9f7 74
<> 144:ef7eb2e8f9f7 75 FUNCALL __cmain, main
<> 144:ef7eb2e8f9f7 76 BL main
<> 144:ef7eb2e8f9f7 77 _main:
<> 144:ef7eb2e8f9f7 78 FUNCALL __cmain, exit
<> 144:ef7eb2e8f9f7 79 BL exit
<> 144:ef7eb2e8f9f7 80
<> 144:ef7eb2e8f9f7 81 END