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authorMatt Johnston <matt@ucc.asn.au>2006-03-08 13:16:18 +0000
committerMatt Johnston <matt@ucc.asn.au>2006-03-08 13:16:18 +0000
commit1c5fda515f96c27d4e3b732d887f418453f1cb14 (patch)
treebf90196389a9618de48c5acb5ce1d056aa347ce0 /etc/timer.asm
Import of libtommath 0.35
From ltm-0.35.tar.bz2 SHA1 of 3f193dbae9351e92d02530994fa18236f7fde01c --HG-- branch : libtommath-orig extra : convert_revision : 2b4b13ac88b2a81e5c86ba868c92c6a452630e02
Diffstat (limited to 'etc/timer.asm')
-rw-r--r--etc/timer.asm37
1 files changed, 37 insertions, 0 deletions
diff --git a/etc/timer.asm b/etc/timer.asm
new file mode 100644
index 0000000..35890d9
--- /dev/null
+++ b/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