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82 lines
3.0 KiB
C
82 lines
3.0 KiB
C
/*
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* Copyright (c) 2010, Kelvin Lawson. All rights reserved.
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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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* 1. 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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* 2. 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 distribution.
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* 3. No personal names or organizations' names associated with the
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* Atomthreads project may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE ATOMTHREADS PROJECT AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __ATOM_PORT_PRIVATE_H
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#define __ATOM_PORT_PRIVATE_H
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/**
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* Compiler-specific modifier to prevent some functions from saving
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* and restoring registers on entry and exit, if the function is
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* known to never complete (e.g. thread entry points).
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* Reduces stack usage on supporting compilers.
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*/
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#ifdef __IAR_SYSTEMS_ICC__
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#define NO_REG_SAVE __task
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#else
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#define NO_REG_SAVE
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#endif
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/**
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* Compiler-specific modifiers for interrupt handler functions.
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*
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* COSMIC: Uses @interrupt modifier for interrupt handlers. We
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* also force all interrupts to save c_lreg, a separate memory
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* area which Cosmic uses for longs and floats. This memory
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* area must be saved by interrupt handlers for context
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* switch purposes, and to avoid making it impossible to use
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* longs in any OS kernel code accessed by interrupt handlers.
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*
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* IAR: Uses __interrupt modifier for interrupt handlers.
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*
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* RAISONANCE: Uses no prefix modifier, but specifies
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* interrupt vector after (see TIM1_SystemTickISR() for an
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* example).
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*/
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#if defined(__CSMC__)
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#define INTERRUPT @far @interrupt @svlreg
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#elif defined (__IAR_SYSTEMS_ICC__)
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#define INTERRUPT __interrupt
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#elif defined(__RCSTM8__) || defined(__SDCC_stm8)
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#define INTERRUPT
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#endif
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/* Function prototypes */
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void archInitSystemTickTimer (void);
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#ifndef __SDCC_stm8
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INTERRUPT void TIM1_SystemTickISR (void);
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#else
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void TIM1_SystemTickISR (void) __interrupt(11);
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#endif
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#endif /* __ATOM_PORT_PRIVATE_H */
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