summaryrefslogtreecommitdiffhomepage
path: root/libtommath/etc/timer.asm
diff options
context:
space:
mode:
authorMatt Johnston <matt@ucc.asn.au>2006-06-10 16:39:40 +0000
committerMatt Johnston <matt@ucc.asn.au>2006-06-10 16:39:40 +0000
commitc9d3c0bc90f21886e0b78595c53e748256e299bf (patch)
tree0bb2d3bf2f98dae918f07727f55a36d0a637b9f5 /libtommath/etc/timer.asm
parent94d86427ff20ed544e299d3a2de5ecc2cc04c191 (diff)
parent3b0e6a29698c8580b9556332e678e5301e697959 (diff)
merge of 332f709a4cb39cde4cedab7c3be89e05f3023067
and ca4ca78b82c5d430c69ce01bf794e8886ce81431 --HG-- extra : convert_revision : 74020525425a1de06739c6c3bed9ef35e4ad867e
Diffstat (limited to 'libtommath/etc/timer.asm')
-rw-r--r--libtommath/etc/timer.asm37
1 files changed, 37 insertions, 0 deletions
diff --git a/libtommath/etc/timer.asm b/libtommath/etc/timer.asm
new file mode 100644
index 0000000..35890d9
--- /dev/null
+++ b/libtommath/etc/timer.asm
@@ -0,0 +1,37 @@
+; x86 timer in NASM
+;
+; Tom St Denis, tomstdenis@iahu.ca
+[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
+ \ No newline at end of file