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| author | David Hashe <david.hashe@amd.com> | 2015-07-20 09:15:18 -0500 |
|---|---|---|
| committer | David Hashe <david.hashe@amd.com> | 2015-07-20 09:15:18 -0500 |
| commit | 6511ab4654f91252de568857fbe15d2c8bce00d4 (patch) | |
| tree | 0b833327672937ac46387c3989b16633cb721f9d /src/mem/packet.hh | |
| parent | 7e9562013b1592c5cc402c43ee1d21025f375a71 (diff) | |
| download | gem5-6511ab4654f91252de568857fbe15d2c8bce00d4.tar.xz | |
mem: add request types for acquire and release
Add support for acquire and release requests. These synchronization operations
are commonly supported by several modern instruction sets.
Diffstat (limited to 'src/mem/packet.hh')
| -rw-r--r-- | src/mem/packet.hh | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mem/packet.hh b/src/mem/packet.hh index d1774e5a8..1cbe6e499 100644 --- a/src/mem/packet.hh +++ b/src/mem/packet.hh @@ -12,7 +12,7 @@ * modified or unmodified, in source code or in binary form. * * Copyright (c) 2006 The Regents of The University of Michigan - * Copyright (c) 2010 Advanced Micro Devices, Inc. + * Copyright (c) 2010,2015 Advanced Micro Devices, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -110,6 +110,10 @@ class MemCmd SwapResp, MessageReq, MessageResp, + ReleaseReq, + ReleaseResp, + AcquireReq, + AcquireResp, // Error responses // @TODO these should be classified as responses rather than // requests; coding them as requests initially for backwards @@ -147,6 +151,8 @@ class MemCmd IsError, //!< Error response IsPrint, //!< Print state matching address (for debugging) IsFlush, //!< Flush the address from caches + IsAcquire, //!< Acquire operation + IsRelease, //!< Release operation NUM_COMMAND_ATTRIBUTES }; @@ -203,6 +209,8 @@ class MemCmd bool isError() const { return testCmdAttrib(IsError); } bool isPrint() const { return testCmdAttrib(IsPrint); } bool isFlush() const { return testCmdAttrib(IsFlush); } + bool isAcquire() const { return testCmdAttrib(IsAcquire); } + bool isRelease() const { return testCmdAttrib(IsRelease); } const Command responseCommand() const @@ -484,6 +492,8 @@ class Packet : public Printable bool isError() const { return cmd.isError(); } bool isPrint() const { return cmd.isPrint(); } bool isFlush() const { return cmd.isFlush(); } + bool isAcquire() const { return cmd.isAcquire(); } + bool isRelease() const { return cmd.isRelease(); } // Snoop flags void assertMemInhibit() |