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| /* SPDX-License-Identifier: GPL-2.0-only */
| /*
| * 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>
| */
| #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 */
|
|
