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lcpu.c 2.18 KB
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Santiago Pagani 提交于 2019-09-17 16:03 . Initial Raspberry Pi 3B+ support
/* SPDX-License-Identifier: BSD-3-Clause */
/*
* Authors: Wei Chen <wei.chen@arm.com>
*
* Copyright (c) 2018, Arm Ltd., All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
*/
#include <stdint.h>
#include <uk/plat/lcpu.h>
#include <arm/irq.h>
void ukplat_lcpu_enable_irq(void)
{
local_irq_enable();
}
void ukplat_lcpu_disable_irq(void)
{
local_irq_disable();
}
unsigned long ukplat_lcpu_save_irqf(void)
{
unsigned long flags;
local_irq_save(flags);
return flags;
}
void ukplat_lcpu_restore_irqf(unsigned long flags)
{
local_irq_restore(flags);
}
int ukplat_lcpu_irqs_disabled(void)
{
return irqs_disabled();
}
void ukplat_lcpu_irqs_handle_pending(void)
{
// TODO
}
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