Mercurial > dropbear

annotate libtommath/etc/timer.asm @ 667:fc7ae88e63b3

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Rename HAVE_FORK to USE_VFORK It makes it a bit more obvious why there's a test there since HAVE_FORK is the normal case.
author Matt Johnston <matt@ucc.asn.au>
date Mon, 09 Apr 2012 20:35:13 +0800
parents eed26cff980b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
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1 ; x86 timer in NASM
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2 ;
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3 ; Tom St Denis, [email protected]
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4 [bits 32]
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5 [section .data]
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6 time dd 0, 0
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7
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8 [section .text]
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9
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10 %ifdef USE_ELF
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11 [global t_start]
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12 t_start:
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13 %else
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14 [global _t_start]
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15 _t_start:
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16 %endif
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17 push edx
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18 push eax
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19 rdtsc
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20 mov [time+0],edx
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21 mov [time+4],eax
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22 pop eax
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23 pop edx
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24 ret
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25
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26 %ifdef USE_ELF
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27 [global t_read]
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28 t_read:
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29 %else
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30 [global _t_read]
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31 _t_read:
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32 %endif
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33 rdtsc
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34 sub eax,[time+4]
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35 sbb edx,[time+0]
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36 ret
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37