summaryrefslogtreecommitdiff
path: root/src/systemc/ext/tlm_core/1/req_rsp/interfaces/fifo_ifs.hh
diff options
context:
space:
mode:
authorGabe Black <gabeblack@google.com>2018-12-12 16:43:18 -0800
committerGabe Black <gabeblack@google.com>2019-01-09 01:35:21 +0000
commite345154b19939db37fb391111d4dad190c62e81c (patch)
tree2bb6f5a3fe3a13f447f8b179337afc20e11b3648 /src/systemc/ext/tlm_core/1/req_rsp/interfaces/fifo_ifs.hh
parent8c560b6c80e641a1937d9af98cb75588ec4eac05 (diff)
downloadgem5-e345154b19939db37fb391111d4dad190c62e81c.tar.xz
systemc: Rename tlm_core header files to have a .hh extentension.
This makes those files more consistent with other headers in gem5. The top level headers (tlm and tlm.h) and the tlm_utils headers were left alone since the user might reasonably expect those to have a well known name. The tlm_core headers by comparison are an implementation detail, and users shouldn't include them directly by name. Change-Id: Ibc82e8159e47717c79d76f50ed96fdd619294a06 Reviewed-on: https://gem5-review.googlesource.com/c/15067 Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com> Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
Diffstat (limited to 'src/systemc/ext/tlm_core/1/req_rsp/interfaces/fifo_ifs.hh')
-rw-r--r--src/systemc/ext/tlm_core/1/req_rsp/interfaces/fifo_ifs.hh79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/systemc/ext/tlm_core/1/req_rsp/interfaces/fifo_ifs.hh b/src/systemc/ext/tlm_core/1/req_rsp/interfaces/fifo_ifs.hh
new file mode 100644
index 000000000..b6d06cef8
--- /dev/null
+++ b/src/systemc/ext/tlm_core/1/req_rsp/interfaces/fifo_ifs.hh
@@ -0,0 +1,79 @@
+/*****************************************************************************
+
+ Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+ more contributor license agreements. See the NOTICE file distributed
+ with this work for additional information regarding copyright ownership.
+ Accellera licenses this file to you under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with the
+ License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied. See the License for the specific language governing
+ permissions and limitations under the License.
+
+ *****************************************************************************/
+
+#ifndef __SYSTEMC_EXT_TLM_CORE_1_REQ_RSP_INTERFACES_FIFO_IFS_HH__
+#define __SYSTEMC_EXT_TLM_CORE_1_REQ_RSP_INTERFACES_FIFO_IFS_HH__
+
+#include "tlm_core/1/req_rsp/interfaces/core_ifs.hh"
+
+namespace tlm
+{
+
+//
+// Fifo specific interfaces
+//
+
+// Fifo Debug Interface
+
+template <typename T>
+class tlm_fifo_debug_if : public virtual sc_core::sc_interface
+{
+ public:
+ virtual int used() const = 0;
+ virtual int size() const = 0;
+ virtual void debug() const = 0;
+
+ //
+ // non blocking peek and poke - no notification
+ //
+ // n is index of data :
+ // 0 <= n < size(), where 0 is most recently written, and size() - 1
+ // is oldest ie the one about to be read.
+ //
+
+ virtual bool nb_peek(T &, int n) const = 0;
+ virtual bool nb_poke(const T&, int n=0) = 0;
+};
+
+// fifo interfaces = extended + debug
+
+template <typename T>
+class tlm_fifo_put_if : public virtual tlm_put_if<T>,
+ public virtual tlm_fifo_debug_if<T>
+{};
+
+template <typename T>
+class tlm_fifo_get_if :
+ public virtual tlm_get_peek_if<T>,
+ public virtual tlm_fifo_debug_if<T>
+{};
+
+class tlm_fifo_config_size_if : public virtual sc_core::sc_interface
+{
+ public:
+ virtual void nb_expand(unsigned int n=1) = 0;
+ virtual void nb_unbound(unsigned int n=16) = 0;
+
+ virtual bool nb_reduce(unsigned int n=1) = 0;
+ virtual bool nb_bound(unsigned int n) = 0;
+};
+
+} // namespace tlm
+
+#endif /* __SYSTEMC_EXT_TLM_CORE_1_REQ_RSP_INTERFACES_FIFO_IFS_HH__ */