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33 lines
631 B
C
33 lines
631 B
C
/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
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/**
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* @file
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*
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* LEON3 BSP Delay Method
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*/
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/*
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* COPYRIGHT (c) 1989-2011.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <bsp.h>
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#include <bsp/leon3.h>
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void rtems_bsp_delay(int usecs)
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{
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uint32_t then;
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gptimer_timer *regs;
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regs = &LEON3_Timer_Regs->timer[0];
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then =grlib_load_32(®s->tcntval);
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then += usecs;
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while (grlib_load_32(®s->tcntval) >= then)
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;
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}
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