Kev Mann / mbed-dev-OS5_10_4

RTC auf true

cmsis/TARGET_CORTEX_M/TOOLCHAIN_IAR/cmain.S@2:7aab896b1a3b, 2019-03-13 (annotated)

Committer:
kevman
Date:
Wed Mar 13 11:03:24 2019 +0000
Revision:
2:7aab896b1a3b
Parent:
0:38ceb79fef03 
2019-03-13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /**************************************************
kevman 0:38ceb79fef03 2 *
kevman 0:38ceb79fef03 3 * Part two of the system initialization code, contains C-level
kevman 0:38ceb79fef03 4 * initialization, thumb-2 only variant.
kevman 0:38ceb79fef03 5 *
kevman 0:38ceb79fef03 6 * $Revision: 59783 $
kevman 0:38ceb79fef03 7 *
kevman 0:38ceb79fef03 8 **************************************************/
kevman 0:38ceb79fef03 9 /* Copyright 2008-2017, IAR Systems AB.
kevman 0:38ceb79fef03 10 This source code is the property of IAR Systems. The source code may only
kevman 0:38ceb79fef03 11 be used together with the IAR Embedded Workbench. Redistribution and use
kevman 0:38ceb79fef03 12 in source and binary forms, with or without modification, is permitted
kevman 0:38ceb79fef03 13 provided that the following conditions are met:
kevman 0:38ceb79fef03 14 - Redistributions of source code, in whole or in part, must retain the
kevman 0:38ceb79fef03 15 above copyright notice, this list of conditions and the disclaimer below.
kevman 0:38ceb79fef03 16 - IAR Systems name may not be used to endorse or promote products
kevman 0:38ceb79fef03 17 derived from this software without specific prior written permission.
kevman 0:38ceb79fef03 18
kevman 0:38ceb79fef03 19 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
kevman 0:38ceb79fef03 20 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
kevman 0:38ceb79fef03 21 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
kevman 0:38ceb79fef03 22 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
kevman 0:38ceb79fef03 23 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
kevman 0:38ceb79fef03 24 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
kevman 0:38ceb79fef03 25 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
kevman 0:38ceb79fef03 26 */
kevman 0:38ceb79fef03 27
kevman 0:38ceb79fef03 28 ; --------------------------------------------------
kevman 0:38ceb79fef03 29 ; Module ?cmain, C-level initialization.
kevman 0:38ceb79fef03 30 ;
kevman 0:38ceb79fef03 31
kevman 0:38ceb79fef03 32
kevman 0:38ceb79fef03 33 SECTION SHT$$PREINIT_ARRAY:CONST:NOROOT(2)
kevman 0:38ceb79fef03 34 SECTION SHT$$INIT_ARRAY:CONST:NOROOT(2)
kevman 0:38ceb79fef03 35
kevman 0:38ceb79fef03 36 SECTION .text:CODE:NOROOT(2)
kevman 0:38ceb79fef03 37
kevman 0:38ceb79fef03 38 PUBLIC __cmain
kevman 0:38ceb79fef03 39 ;; Keep ?main for legacy reasons, it is accessed in countless instances of cstartup.s around the world...
kevman 0:38ceb79fef03 40 PUBLIC ?main
kevman 0:38ceb79fef03 41 EXTWEAK __iar_data_init3
kevman 0:38ceb79fef03 42 EXTWEAK __iar_argc_argv
kevman 0:38ceb79fef03 43 EXTERN __low_level_init
kevman 0:38ceb79fef03 44 EXTERN __call_ctors
kevman 0:38ceb79fef03 45 EXTERN main
kevman 0:38ceb79fef03 46 EXTERN exit
kevman 0:38ceb79fef03 47 EXTERN __iar_dynamic_initialization
kevman 0:38ceb79fef03 48 EXTERN mbed_sdk_init
kevman 0:38ceb79fef03 49 EXTERN mbed_main
kevman 0:38ceb79fef03 50 EXTERN SystemInit
kevman 0:38ceb79fef03 51
kevman 0:38ceb79fef03 52 THUMB
kevman 0:38ceb79fef03 53 __cmain:
kevman 0:38ceb79fef03 54 ?main:
kevman 0:38ceb79fef03 55
kevman 0:38ceb79fef03 56 ; Initialize segments.
kevman 0:38ceb79fef03 57 ; __segment_init and __low_level_init are assumed to use the same
kevman 0:38ceb79fef03 58 ; instruction set and to be reachable by BL from the ICODE segment
kevman 0:38ceb79fef03 59 ; (it is safest to link them in segment ICODE).
kevman 0:38ceb79fef03 60
kevman 0:38ceb79fef03 61 FUNCALL __cmain, __low_level_init
kevman 0:38ceb79fef03 62 bl __low_level_init
kevman 0:38ceb79fef03 63 cmp r0,#0
kevman 0:38ceb79fef03 64 beq ?l1
kevman 0:38ceb79fef03 65 FUNCALL __cmain, __iar_data_init3
kevman 0:38ceb79fef03 66 bl __iar_data_init3
kevman 0:38ceb79fef03 67 MOVS r0,#0 ; No parameters
kevman 0:38ceb79fef03 68 FUNCALL __cmain, mbed_sdk_init
kevman 0:38ceb79fef03 69 BL mbed_sdk_init
kevman 0:38ceb79fef03 70 MOVS r0,#0 ; No parameters
kevman 0:38ceb79fef03 71 FUNCALL __cmain, __iar_dynamic_initialization
kevman 0:38ceb79fef03 72 BL __iar_dynamic_initialization ; C++ dynamic initialization
kevman 0:38ceb79fef03 73
kevman 0:38ceb79fef03 74 ?l1:
kevman 0:38ceb79fef03 75 REQUIRE ?l3
kevman 0:38ceb79fef03 76
kevman 0:38ceb79fef03 77 SECTION .text:CODE:NOROOT(2)
kevman 0:38ceb79fef03 78
kevman 0:38ceb79fef03 79 PUBLIC _main
kevman 0:38ceb79fef03 80 PUBLIC _call_main
kevman 0:38ceb79fef03 81 THUMB
kevman 0:38ceb79fef03 82
kevman 0:38ceb79fef03 83 __iar_init$$done: ; Copy initialization is done
kevman 0:38ceb79fef03 84
kevman 0:38ceb79fef03 85 ?l3:
kevman 0:38ceb79fef03 86 _call_main:
kevman 0:38ceb79fef03 87 MOVS r0,#0 ; No parameters
kevman 0:38ceb79fef03 88 FUNCALL __cmain, __iar_argc_argv
kevman 0:38ceb79fef03 89 BL __iar_argc_argv ; Maybe setup command line
kevman 0:38ceb79fef03 90
kevman 0:38ceb79fef03 91 MOVS r0,#0 ; No parameters
kevman 0:38ceb79fef03 92 FUNCALL __cmain, mbed_main
kevman 0:38ceb79fef03 93 BL mbed_main
kevman 0:38ceb79fef03 94
kevman 0:38ceb79fef03 95 FUNCALL __cmain, main
kevman 0:38ceb79fef03 96 BL main
kevman 0:38ceb79fef03 97 _main:
kevman 0:38ceb79fef03 98 FUNCALL __cmain, exit
kevman 0:38ceb79fef03 99 BL exit
kevman 0:38ceb79fef03 100
kevman 0:38ceb79fef03 101 END