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https://github.com/clearml/dropbear
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3b2639b9b5
--HG-- branch : libtommath-orig extra : convert_revision : 29392f1198b77a2021e78879c1489e84c9e98ef4
37 lines
475 B
NASM
37 lines
475 B
NASM
; x86 timer in NASM
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;
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; Tom St Denis, tomstdenis@iahu.ca
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[bits 32]
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[section .data]
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time dd 0, 0
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[section .text]
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%ifdef USE_ELF
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[global t_start]
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t_start:
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%else
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[global _t_start]
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_t_start:
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%endif
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push edx
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push eax
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rdtsc
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mov [time+0],edx
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mov [time+4],eax
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pop eax
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pop edx
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ret
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%ifdef USE_ELF
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[global t_read]
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t_read:
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%else
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[global _t_read]
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_t_read:
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%endif
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rdtsc
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sub eax,[time+4]
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sbb edx,[time+0]
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ret
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