171 lines
4.3 KiB
C
171 lines
4.3 KiB
C
//###########################################################################
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//
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// FILE: cpu.h
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//
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// TITLE: Useful C28x CPU defines.
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//
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//###########################################################################
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// $Copyright:
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// Copyright (C) 2022 Texas Instruments Incorporated - http://www.ti.com
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// $
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//###########################################################################
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#ifndef CPU_H
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#define CPU_H
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include "stdint.h"
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//
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// External reference to the interrupt flag register (IFR) register
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//
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#ifndef __TMS320C28XX_CLA__
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extern __cregister volatile uint16_t IFR;
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#endif
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//
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// External reference to the interrupt enable register (IER) register
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//
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#ifndef __TMS320C28XX_CLA__
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extern __cregister volatile uint16_t IER;
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#endif
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//
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// Define to enable interrupts
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//
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#ifndef EINT
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#define EINT __asm(" clrc INTM")
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#endif
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//
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// Define to disable interrupts
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//
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#ifndef DINT
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#define DINT __asm(" setc INTM")
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#endif
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//
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// Define to enable debug events
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//
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#ifndef ERTM
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#define ERTM __asm(" clrc DBGM")
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#endif
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//
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// Define to disable debug events
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//
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#ifndef DRTM
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#define DRTM __asm(" setc DBGM")
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#endif
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//
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// Define to allow writes to protected registers
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//
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#ifndef EALLOW
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#ifndef __TMS320C28XX_CLA__
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#define EALLOW __eallow()
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#else
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#define EALLOW __meallow()
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#endif // __TMS320C28XX_CLA__
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#endif // EALLOW
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//
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// Define to disable writes to protected registers
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//
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#ifndef EDIS
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#ifndef __TMS320C28XX_CLA__
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#define EDIS __edis()
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#else
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#define EDIS __medis()
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#endif // __TMS320C28XX_CLA__
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#endif // EDIS
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//
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// Define for emulation stop
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//
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#ifndef ESTOP0
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#define ESTOP0 __asm(" ESTOP0")
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#endif
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//
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// Define for emulation stop
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//
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#ifndef ESTOP1
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#define ESTOP1 __asm(" ESTOP1")
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#endif
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//
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// Define for no operation
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//
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#ifndef NOP
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#define NOP __asm(" NOP")
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#endif
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//
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// Define for putting processor into a low-power mode
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//
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#ifndef _DUAL_HEADERS
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#ifndef IDLE
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#define IDLE __asm(" IDLE")
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#endif
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#else
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#define IDLE_ASM __asm(" IDLE");
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#endif
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//*****************************************************************************
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//
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// Extern compiler intrinsic prototypes. See compiler User's Guide for details.
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//
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//*****************************************************************************
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extern void __eallow(void);
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extern void __edis(void);
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif
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#endif // CPU_H
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