546a39546c
Original port to early 2.6 kernel using TI COFF toolchain. Brought up to date by Mark Salter <msalter@redhat.com> Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com> Signed-off-by: Mark Salter <msalter@redhat.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
33 lines
867 B
C
33 lines
867 B
C
/*
|
|
* 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 */
|