33 lines
738 B
C
33 lines
738 B
C
/*
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* \brief Call main function (X86 specific)
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* \author Sebastian Sumpf <Sebastian.Sumpf@genode-labs.com>
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* \date 2011-05-02
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*/
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/*
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* Copyright (C) 2011-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _X86_32__CALL_MAIN_H_
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#define _X86_32__CALL_MAIN_H_
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/**
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* Restore SP from initial sp and jump to entry function
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*/
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void call_main(void (*func)(void))
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{
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extern long __initial_sp;
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asm volatile ("mov %0, %%esp;"
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"jmp *%1;"
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:
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: "r" (__initial_sp),
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"r" (func)
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: "memory"
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);
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}
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#endif /* _X86_32__CALL_MAIN_H_ */
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