| /* | |
| * 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 */ |