blob: 508c3ec971f980d8b71f50bdd4ac78dcc1000dad (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/*
* Port on Texas Instruments TMS320C6x architecture
*
* Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated
* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
*
* Modified for 2.6.34: Mark Salter <msalter@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_C6X_TIMEX_H
#define _ASM_C6X_TIMEX_H
#define CLOCK_TICK_RATE ((1000 * 1000000UL) / 6)
/* 64-bit timestamp */
typedef unsigned long long cycles_t;
static inline cycles_t get_cycles(void)
{
unsigned l, h;
asm volatile (" dint\n"
" mvc .s2 TSCL,%0\n"
" mvc .s2 TSCH,%1\n"
" rint\n"
: "=b"(l), "=b"(h));
return ((cycles_t)h << 32) | l;
}
#endif /* _ASM_C6X_TIMEX_H */
|