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cmsis/TARGET_CORTEX_M/TOOLCHAIN_IAR/cmain.S
- Committer:
- kevman
- Date:
- 2019-03-13
- Revision:
- 2:7aab896b1a3b
- Parent:
- 0:38ceb79fef03
File content as of revision 2:7aab896b1a3b:
/************************************************** * * Part two of the system initialization code, contains C-level * initialization, thumb-2 only variant. * * $Revision: 59783 $ * **************************************************/ /* Copyright 2008-2017, IAR Systems AB. This source code is the property of IAR Systems. The source code may only be used together with the IAR Embedded Workbench. Redistribution and use in source and binary forms, with or without modification, is permitted provided that the following conditions are met: - Redistributions of source code, in whole or in part, must retain the above copyright notice, this list of conditions and the disclaimer below. - IAR Systems name may not be used to endorse or promote products derived from this software without specific prior written permission. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ ; -------------------------------------------------- ; Module ?cmain, C-level initialization. ; SECTION SHT$$PREINIT_ARRAY:CONST:NOROOT(2) SECTION SHT$$INIT_ARRAY:CONST:NOROOT(2) SECTION .text:CODE:NOROOT(2) PUBLIC __cmain ;; Keep ?main for legacy reasons, it is accessed in countless instances of cstartup.s around the world... PUBLIC ?main EXTWEAK __iar_data_init3 EXTWEAK __iar_argc_argv EXTERN __low_level_init EXTERN __call_ctors EXTERN main EXTERN exit EXTERN __iar_dynamic_initialization EXTERN mbed_sdk_init EXTERN mbed_main EXTERN SystemInit THUMB __cmain: ?main: ; Initialize segments. ; __segment_init and __low_level_init are assumed to use the same ; instruction set and to be reachable by BL from the ICODE segment ; (it is safest to link them in segment ICODE). FUNCALL __cmain, __low_level_init bl __low_level_init cmp r0,#0 beq ?l1 FUNCALL __cmain, __iar_data_init3 bl __iar_data_init3 MOVS r0,#0 ; No parameters FUNCALL __cmain, mbed_sdk_init BL mbed_sdk_init MOVS r0,#0 ; No parameters FUNCALL __cmain, __iar_dynamic_initialization BL __iar_dynamic_initialization ; C++ dynamic initialization ?l1: REQUIRE ?l3 SECTION .text:CODE:NOROOT(2) PUBLIC _main PUBLIC _call_main THUMB __iar_init$$done: ; Copy initialization is done ?l3: _call_main: MOVS r0,#0 ; No parameters FUNCALL __cmain, __iar_argc_argv BL __iar_argc_argv ; Maybe setup command line MOVS r0,#0 ; No parameters FUNCALL __cmain, mbed_main BL mbed_main FUNCALL __cmain, main BL main _main: FUNCALL __cmain, exit BL exit END