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fix main return for msp430

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mspgcc handles main specially, this introduces code to make main
behave normally
This commit is contained in:
Ludwig Ortmann 2013-12-18 02:25:48 +01:00
parent 69f6748a7c
commit 2a8411b6a3
1 changed files with 8 additions and 0 deletions
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8
cpu/msp430-common/cpu.c
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@ -39,6 +39,14 @@ void cpu_switch_context_exit(void)
__restore_context(); __restore_context();
} }
/**
* mspgcc handles main specially - it does not return but falls
* through to section .fini9.
* To "fix" this, we put a return in section .fini9 to make main
* behave like a regular function. This enables a common
* thread_stack_init behavior. */
__attribute__((section (".fini9"))) void __main_epilogue(void) { __asm__("ret"); }
//---------------------------------------------------------------------------- //----------------------------------------------------------------------------
// Processor specific routine - here for MSP // Processor specific routine - here for MSP
//---------------------------------------------------------------------------- //----------------------------------------------------------------------------