6072c1ad28
This way different implementations can be substituted in depending on how the low level ops should actually be triggered (inst, addr, semihosting, (etc?)). Change-Id: I7c6eab7d87cc973d0bc9c1889037a0f89ce057e8 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/27238 Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
48 lines
2.0 KiB
C
48 lines
2.0 KiB
C
/*
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* Copyright 2020 Google Inc.
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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 are
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* met: 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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* 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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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* 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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#ifndef __DISPATCH_TABLE_H__
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#define __DISPATCH_TABLE_H__
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#include <gem5/asm/generic/m5ops.h>
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#include <gem5/m5ops.h>
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/*
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* This structure holds function pointers, one for each m5 operation, which can
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* be filled with different implementations. Conceptually they're like virtual
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* functions. They can then be passed to a consumer which knows which function
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* it wants, but not exactly how/where it's implemented.
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*/
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typedef struct DispatchTable
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{
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#define M5OP(name, func) __typeof__(&name) name;
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M5OP_FOREACH
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#undef M5OP
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} DispatchTable;
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#endif // __DISPATCH_TABLE_H__
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