58 lines
1.1 KiB
ArmAsm
58 lines
1.1 KiB
ArmAsm
/**
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* \brief Startup code for Genode applications
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* \author Christian Helmuth
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* \date 2009-08-12
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*/
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/*
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* Copyright (C) 2009-2013 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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/*--- .text (program code) -------------------------*/
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.text
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.global _start
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_start:
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mov %esp, __initial_sp
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/* XXX Switch to our own stack. */
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leal _stack_high, %esp
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/* Clear the base pointer so that stack backtraces will work. */
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xor %ebp,%ebp
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/* Jump into init C code */
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call _main
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/* We should never get here since _main does not return */
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1: int $3
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jmp 2f
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.ascii "_main() returned."
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2: jmp 1b
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.globl __dso_handle
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__dso_handle: .long 0
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/*--- .eh_frame (exception frames) -----------------*/
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/*
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.section .eh_frame,"aw"
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.global __EH_FRAME_BEGIN__
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__EH_FRAME_BEGIN__:
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*/
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/*--- .bss (non-initialized data) ------------------*/
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.bss
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.p2align 4
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.global _stack_low
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_stack_low:
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.space 64*1024
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.global _stack_high
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_stack_high:
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/* initial value of the ESP register */
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.globl __initial_sp
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__initial_sp: .space 4
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