mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

cmsis/TARGET_CORTEX_M/TOOLCHAIN_IAR/cmain.S@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
180:96ed750bd169 
mbed library release version 165

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 * $Revision: 59783 $
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 **************************************************/
AnnaBridge 166:c97ed07ec1a8 9 /* Copyright 2008-2017, IAR Systems AB.
AnnaBridge 166:c97ed07ec1a8 10 This source code is the property of IAR Systems. The source code may only
AnnaBridge 166:c97ed07ec1a8 11 be used together with the IAR Embedded Workbench. Redistribution and use
AnnaBridge 166:c97ed07ec1a8 12 in source and binary forms, with or without modification, is permitted
AnnaBridge 166:c97ed07ec1a8 13 provided that the following conditions are met:
AnnaBridge 166:c97ed07ec1a8 14 - Redistributions of source code, in whole or in part, must retain the
AnnaBridge 166:c97ed07ec1a8 15 above copyright notice, this list of conditions and the disclaimer below.
AnnaBridge 166:c97ed07ec1a8 16 - IAR Systems name may not be used to endorse or promote products
AnnaBridge 166:c97ed07ec1a8 17 derived from this software without specific prior written permission.
<> 144:ef7eb2e8f9f7 18
AnnaBridge 166:c97ed07ec1a8 19 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
AnnaBridge 166:c97ed07ec1a8 20 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
AnnaBridge 166:c97ed07ec1a8 21 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
AnnaBridge 166:c97ed07ec1a8 22 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
AnnaBridge 166:c97ed07ec1a8 23 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
AnnaBridge 166:c97ed07ec1a8 24 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
AnnaBridge 166:c97ed07ec1a8 25 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
AnnaBridge 166:c97ed07ec1a8 26 */
<> 144:ef7eb2e8f9f7 27
<> 144:ef7eb2e8f9f7 28 ; --------------------------------------------------
<> 144:ef7eb2e8f9f7 29 ; Module ?cmain, C-level initialization.
<> 144:ef7eb2e8f9f7 30 ;
<> 144:ef7eb2e8f9f7 31
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 SECTION SHT$$PREINIT_ARRAY:CONST:NOROOT(2)
<> 144:ef7eb2e8f9f7 34 SECTION SHT$$INIT_ARRAY:CONST:NOROOT(2)
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 SECTION .text:CODE:NOROOT(2)
<> 144:ef7eb2e8f9f7 37
<> 144:ef7eb2e8f9f7 38 PUBLIC __cmain
<> 144:ef7eb2e8f9f7 39 ;; Keep ?main for legacy reasons, it is accessed in countless instances of cstartup.s around the world...
<> 144:ef7eb2e8f9f7 40 PUBLIC ?main
<> 144:ef7eb2e8f9f7 41 EXTWEAK __iar_data_init3
<> 144:ef7eb2e8f9f7 42 EXTWEAK __iar_argc_argv
<> 144:ef7eb2e8f9f7 43 EXTERN __low_level_init
<> 144:ef7eb2e8f9f7 44 EXTERN __call_ctors
<> 144:ef7eb2e8f9f7 45 EXTERN main
<> 144:ef7eb2e8f9f7 46 EXTERN exit
<> 144:ef7eb2e8f9f7 47 EXTERN __iar_dynamic_initialization
<> 144:ef7eb2e8f9f7 48 EXTERN mbed_sdk_init
AnnaBridge 168:9672193075cf 49 EXTERN mbed_main
<> 144:ef7eb2e8f9f7 50 EXTERN SystemInit
<> 144:ef7eb2e8f9f7 51
<> 144:ef7eb2e8f9f7 52 THUMB
<> 144:ef7eb2e8f9f7 53 __cmain:
<> 144:ef7eb2e8f9f7 54 ?main:
<> 144:ef7eb2e8f9f7 55
<> 144:ef7eb2e8f9f7 56 ; Initialize segments.
<> 144:ef7eb2e8f9f7 57 ; __segment_init and __low_level_init are assumed to use the same
<> 144:ef7eb2e8f9f7 58 ; instruction set and to be reachable by BL from the ICODE segment
<> 144:ef7eb2e8f9f7 59 ; (it is safest to link them in segment ICODE).
<> 144:ef7eb2e8f9f7 60
<> 144:ef7eb2e8f9f7 61 FUNCALL __cmain, __low_level_init
<> 144:ef7eb2e8f9f7 62 bl __low_level_init
<> 144:ef7eb2e8f9f7 63 cmp r0,#0
<> 144:ef7eb2e8f9f7 64 beq ?l1
<> 144:ef7eb2e8f9f7 65 FUNCALL __cmain, __iar_data_init3
<> 144:ef7eb2e8f9f7 66 bl __iar_data_init3
<> 144:ef7eb2e8f9f7 67 MOVS r0,#0 ; No parameters
<> 144:ef7eb2e8f9f7 68 FUNCALL __cmain, mbed_sdk_init
<> 144:ef7eb2e8f9f7 69 BL mbed_sdk_init
<> 144:ef7eb2e8f9f7 70 MOVS r0,#0 ; No parameters
<> 144:ef7eb2e8f9f7 71 FUNCALL __cmain, __iar_dynamic_initialization
<> 144:ef7eb2e8f9f7 72 BL __iar_dynamic_initialization ; C++ dynamic initialization
<> 144:ef7eb2e8f9f7 73
<> 144:ef7eb2e8f9f7 74 ?l1:
<> 144:ef7eb2e8f9f7 75 REQUIRE ?l3
<> 144:ef7eb2e8f9f7 76
<> 144:ef7eb2e8f9f7 77 SECTION .text:CODE:NOROOT(2)
<> 144:ef7eb2e8f9f7 78
<> 144:ef7eb2e8f9f7 79 PUBLIC _main
<> 144:ef7eb2e8f9f7 80 PUBLIC _call_main
<> 144:ef7eb2e8f9f7 81 THUMB
<> 144:ef7eb2e8f9f7 82
<> 144:ef7eb2e8f9f7 83 __iar_init$$done: ; Copy initialization is done
<> 144:ef7eb2e8f9f7 84
<> 144:ef7eb2e8f9f7 85 ?l3:
<> 144:ef7eb2e8f9f7 86 _call_main:
<> 144:ef7eb2e8f9f7 87 MOVS r0,#0 ; No parameters
<> 144:ef7eb2e8f9f7 88 FUNCALL __cmain, __iar_argc_argv
<> 144:ef7eb2e8f9f7 89 BL __iar_argc_argv ; Maybe setup command line
<> 144:ef7eb2e8f9f7 90
AnnaBridge 168:9672193075cf 91 MOVS r0,#0 ; No parameters
AnnaBridge 168:9672193075cf 92 FUNCALL __cmain, mbed_main
AnnaBridge 168:9672193075cf 93 BL mbed_main
AnnaBridge 168:9672193075cf 94
<> 144:ef7eb2e8f9f7 95 FUNCALL __cmain, main
<> 144:ef7eb2e8f9f7 96 BL main
<> 144:ef7eb2e8f9f7 97 _main:
<> 144:ef7eb2e8f9f7 98 FUNCALL __cmain, exit
<> 144:ef7eb2e8f9f7 99 BL exit
<> 144:ef7eb2e8f9f7 100
<> 144:ef7eb2e8f9f7 101 END