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30 lines
718 B
30 lines
718 B
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Port on Texas Instruments TMS320C6x architecture |
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* |
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* Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated |
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* Author: Aurelien Jacquiot ([email protected]) |
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* |
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* Modified for 2.6.34: Mark Salter <[email protected]> |
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*/ |
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#ifndef _ASM_C6X_TIMEX_H |
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#define _ASM_C6X_TIMEX_H |
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#define CLOCK_TICK_RATE ((1000 * 1000000UL) / 6) |
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/* 64-bit timestamp */ |
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typedef unsigned long long cycles_t; |
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static inline cycles_t get_cycles(void) |
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{ |
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unsigned l, h; |
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asm volatile (" dint\n" |
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" mvc .s2 TSCL,%0\n" |
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" mvc .s2 TSCH,%1\n" |
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" rint\n" |
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: "=b"(l), "=b"(h)); |
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return ((cycles_t)h << 32) | l; |
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} |
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#endif /* _ASM_C6X_TIMEX_H */
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