Mercurial > dropbear
annotate libtommath/etc/timer.asm @ 1526:36ab6b091ad3
limit rsa->e size to 64 bits
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sat, 17 Feb 2018 19:41:44 +0800 |
parents | eed26cff980b |
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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 |