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6403167d29
Instead of writing out '__attribute__((weak))' use a shorter form. Change-Id: If418a1d55052780077febd2d8f2089021f414b91 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/25767 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Justin TerAvest <teravest@chromium.org>
40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2014 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <compiler.h>
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#include <console/console.h>
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#include <timer.h>
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#include <delay.h>
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#include <thread.h>
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__weak void init_timer(void) { /* do nothing */ }
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void udelay(unsigned int usec)
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{
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struct stopwatch sw;
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/*
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* As the timer granularity is in microseconds pad the
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* requested delay by one to get at least >= requested usec delay.
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*/
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usec += 1;
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if (!thread_yield_microseconds(usec))
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return;
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stopwatch_init_usecs_expire(&sw, usec);
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stopwatch_wait_until_expired(&sw);
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}
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