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Diff: cmsis/TOOLCHAIN_IAR/cmain.S
- Revision:
- 149:156823d33999
- Parent:
- 144:ef7eb2e8f9f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/cmsis/TOOLCHAIN_IAR/cmain.S Fri Oct 28 11:17:30 2016 +0100 @@ -0,0 +1,81 @@ +/************************************************** + * + * Part two of the system initialization code, contains C-level + * initialization, thumb-2 only variant. + * + * Copyright 2006 IAR Systems. All rights reserved. + * + * $Revision: 59783 $ + * + **************************************************/ + + +; -------------------------------------------------- +; 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 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 + + FUNCALL __cmain, main + BL main +_main: + FUNCALL __cmain, exit + BL exit + + END