Mercurial > dropbear

diff libtommath/etc/timer.asm @ 297:79bf1023cf11 agent-client

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propagate from branch 'au.asn.ucc.matt.dropbear' (head 0501e6f661b5415eb76f3b312d183c3adfbfb712) to branch 'au.asn.ucc.matt.dropbear.cli-agent' (head 01038174ec27245b51bd43a66c01ad930880f67b)
author Matt Johnston <matt@ucc.asn.au>
date Tue, 21 Mar 2006 16:20:59 +0000
parents eed26cff980b
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtommath/etc/timer.asm	Tue Mar 21 16:20:59 2006 +0000
@@ -0,0 +1,37 @@
+; x86 timer in NASM
+;
+; Tom St Denis, [email protected]
+[bits 32]
+[section .data]
+time dd 0, 0
+
+[section .text]
+
+%ifdef USE_ELF
+[global t_start]
+t_start:
+%else
+[global _t_start]
+_t_start:
+%endif
+   push edx
+   push eax
+   rdtsc
+   mov [time+0],edx
+   mov [time+4],eax
+   pop eax
+   pop edx
+   ret
+   
+%ifdef USE_ELF
+[global t_read]
+t_read:
+%else
+[global _t_read]
+_t_read:
+%endif
+   rdtsc
+   sub eax,[time+4]
+   sbb edx,[time+0]
+   ret
+   
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