From: Gabe Black Date: Fri, 1 Jun 2018 01:42:07 +0000 (-0700) Subject: systemc: Construct and manage a module name stack. X-Git-Tag: v19.0.0.0~1956 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ab744f4709e8fa53354800a8b3fc155d57d87356;p=gem5.git systemc: Construct and manage a module name stack. Change-Id: I5f7f64d6c3d7e08ec6d2529f3c5d84fbfc2c421b Reviewed-on: https://gem5-review.googlesource.com/10850 Reviewed-by: Gabe Black Maintainer: Gabe Black --- diff --git a/src/systemc/core/SConscript b/src/systemc/core/SConscript index e12ed59f8..8bff1b391 100644 --- a/src/systemc/core/SConscript +++ b/src/systemc/core/SConscript @@ -31,6 +31,7 @@ if env['USE_SYSTEMC']: SimObject('SystemC.py') Source('kernel.cc') + Source('module.cc') Source('sc_attr.cc') Source('sc_event.cc') diff --git a/src/systemc/core/module.cc b/src/systemc/core/module.cc new file mode 100644 index 000000000..97a4a9ffa --- /dev/null +++ b/src/systemc/core/module.cc @@ -0,0 +1,70 @@ +/* + * Copyright 2018 Google, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + */ + +#include "systemc/core/module.hh" + +#include + +#include "base/logging.hh" + +namespace SystemC +{ + +namespace +{ + +std::list _modules; + +Module *_top_module = nullptr; + +} // anonymous namespace + +void +Module::push() +{ + if (!_top_module) + _top_module = this; + _modules.push_back(this); +} + +void +Module::pop() +{ + panic_if(_modules.size(), "Popping from empty module list.\n"); + panic_if(_modules.back() != this, + "Popping module which isn't at the end of the module list.\n"); +} + +Module * +topModule() +{ + return _top_module; +} + +} // namespace SystemC diff --git a/src/systemc/core/module.hh b/src/systemc/core/module.hh new file mode 100644 index 000000000..56e125ee6 --- /dev/null +++ b/src/systemc/core/module.hh @@ -0,0 +1,61 @@ +/* + * Copyright 2018 Google, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + */ + +#ifndef __SYSTEMC_CORE_MODULE_HH__ +#define __SYSTEMC_CORE_MODULE_HH__ + +namespace SystemC +{ + +class Module +{ + private: + const char *_name; + + public: + Module(const char *name) : _name(name) {} + + const char *name() { return _name; } + + void push(); + void pop(); +}; + +extern Module *topModule(); + +} // namespace SystemC + +namespace sc_gem5 +{ + +using SystemC::Module; + +} // namespace sc_gem5 + +#endif //__SYSTEMC_CORE_MODULE_HH__ diff --git a/src/systemc/core/sc_module_name.cc b/src/systemc/core/sc_module_name.cc index 2646d431a..b55e50001 100644 --- a/src/systemc/core/sc_module_name.cc +++ b/src/systemc/core/sc_module_name.cc @@ -29,25 +29,26 @@ #include "base/logging.hh" +#include "systemc/core/module.hh" #include "systemc/ext/core/sc_module_name.hh" namespace sc_core { sc_module_name::sc_module_name(const char *name) : - _name(name), _on_the_stack(true) + _name(name), _gem5_module(new SystemC::Module(name)), _on_the_stack(true) { - warn("%s: Module name not added to stack.\n", __PRETTY_FUNCTION__); + _gem5_module->push(); } sc_module_name::sc_module_name(const sc_module_name &other) : - _name(other._name), _on_the_stack(false) + _name(other._name), _gem5_module(other._gem5_module), _on_the_stack(false) {} sc_module_name::~sc_module_name() { if (_on_the_stack) { - warn("%s: Module name not removed from stack.\n", __PRETTY_FUNCTION__); + _gem5_module->pop(); } } diff --git a/src/systemc/ext/core/sc_module_name.hh b/src/systemc/ext/core/sc_module_name.hh index 7ae2fd689..8b2ce45ff 100644 --- a/src/systemc/ext/core/sc_module_name.hh +++ b/src/systemc/ext/core/sc_module_name.hh @@ -30,6 +30,13 @@ #ifndef __SYSTEMC_EXT_CORE_SC_MODULE_NAME_HH__ #define __SYSTEMC_EXT_CORE_SC_MODULE_NAME_HH__ +namespace sc_gem5 +{ + +class Module; + +} // namespace sc_gem5 + namespace sc_core { @@ -44,6 +51,7 @@ class sc_module_name private: const char *_name; + sc_gem5::Module *_gem5_module; bool _on_the_stack; // Disabled