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Core.c
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Core.c
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/*
* Copyright (c) 2015, Texas Instruments Incorporated
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of Texas Instruments Incorporated 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 OWNER 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.
*/
/*
* ======== Core.c ========
* ICore implementation for default BIOS CoreDelegate
*/
#include <xdc/std.h>
#include <ti/sysbios/hal/Hwi.h>
#include "package/internal/Core.xdc.h"
/*
* ======== Core_lock ========
*/
IArg Core_lock()
{
return (Core_hwiDisable());
}
/*
* ======== Core_unlock ========
*/
Void Core_unlock()
{
}
/*
* ======== Core_getId ========
*/
UInt Core_getId()
{
return (0);
}
/*
* ======== Core_interruptCore ========
*/
Void Core_interruptCore(UInt coreId)
{
}
/*
* ======== Core_hwiDisable ========
*/
UInt Core_hwiDisable()
{
return Hwi_disable();
}
/*
* ======== Core_hwiEnable ========
*/
UInt Core_hwiEnable()
{
return Hwi_enable();
}
/*
* ======== Core_hwiRestore ========
*/
Void Core_hwiRestore(UInt key)
{
Hwi_restore(key);
}
/*
* ======== Core_getRevisionNumber ========
*/
UInt8 __attribute__((naked)) Core_getRevisionNumber()
{
__asm__ __volatile__ (
"mrc p15, #0, r0, c0, c0, #0\n\t"
"mov r1, r0, lsr #16\n\t"
"and r1, r1, #0xF0\n\t"
"and r0, r0, #0xF\n\t"
"orr r0, r1, r0\n\t"
"bx lr"
);
}