You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
867 B
34 lines
867 B
13 years ago
|
/*
|
||
|
|
* 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 */
|