Mercurial > dropbear
annotate etc/timer.asm @ 145:a96ff234ff19 libtommath
propagate of fc94c38452d9fd684a8e1eb9e3a73120aac0d38f and 3e4de4cbef3d9035a7b2f0c25e9f86e297f9f6d1 from branch 'au.asn.ucc.matt.ltm-orig' to 'au.asn.ucc.matt.ltm-db'
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Sun, 19 Dec 2004 15:57:19 +0000 |
| parents | 22d5cf7d4b1a |
| children |
| rev | line source |
|---|---|
| 1 | 1 ; x86 timer in NASM |
| 2 ; | |
| 3 ; Tom St Denis, [email protected] | |
| 4 [bits 32] | |
| 5 [section .data] | |
| 6 time dd 0, 0 | |
| 7 | |
| 8 [section .text] | |
| 9 | |
| 10 %ifdef USE_ELF | |
| 11 [global t_start] | |
| 12 t_start: | |
| 13 %else | |
| 14 [global _t_start] | |
| 15 _t_start: | |
| 16 %endif | |
| 17 push edx | |
| 18 push eax | |
| 19 rdtsc | |
| 20 mov [time+0],edx | |
| 21 mov [time+4],eax | |
| 22 pop eax | |
| 23 pop edx | |
| 24 ret | |
| 25 | |
| 26 %ifdef USE_ELF | |
| 27 [global t_read] | |
| 28 t_read: | |
| 29 %else | |
| 30 [global _t_read] | |
| 31 _t_read: | |
| 32 %endif | |
| 33 rdtsc | |
| 34 sub eax,[time+4] | |
| 35 sbb edx,[time+0] | |
| 36 ret | |
| 37 |