74 lines
1.5 KiB
ArmAsm
74 lines
1.5 KiB
ArmAsm
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/* crt0.S -- startup file for FT32
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*
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* Copyright (c) 2015 FTDI
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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.globl __start
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.weak _start
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.text
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.type __start,@function
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__start:
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_start:
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jmp truestart
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jmp truestart
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truestart:
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ldk.l $sp, 0xfffc /* set the top of stack */
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ldk.l $fp,0 /* zero fp to allow unwinders to stop */
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/* Set argc and argv to zero */
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ldk.l $r0, 0
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ldk.l $r1, 0
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sub.l $sp,$sp,24 # room for the args to main
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call main
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call exit
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.Lend:
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.size __start,(.Lend-__start)
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