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Diffstat (limited to 'src/systemc/ext/dt/fx/scfx_params.hh')
| -rw-r--r-- | src/systemc/ext/dt/fx/scfx_params.hh | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/systemc/ext/dt/fx/scfx_params.hh b/src/systemc/ext/dt/fx/scfx_params.hh new file mode 100644 index 000000000..dd5c9b695 --- /dev/null +++ b/src/systemc/ext/dt/fx/scfx_params.hh @@ -0,0 +1,182 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + scfx_params.h - + + Original Author: Martin Janssen, Synopsys, Inc. + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +// $Log: scfx_params.h,v $ +// Revision 1.1.1.1 2006/12/15 20:20:04 acg +// SystemC 2.3 +// +// Revision 1.3 2006/01/13 18:53:58 acg +// Andy Goodrich: added $Log command so that CVS comments are reproduced in +// the source. +// + +#ifndef __SYSTEMC_EXT_DT_FX_SCFX_PARAMS_HH__ +#define __SYSTEMC_EXT_DT_FX_SCFX_PARAMS_HH__ + +#include "sc_fxcast_switch.hh" +#include "sc_fxtype_params.hh" + +namespace sc_dt +{ + +// classes defined in this module +class scfx_params; + + +// ---------------------------------------------------------------------------- +// CLASS : scfx_params +// +// ... +// ---------------------------------------------------------------------------- + +class scfx_params +{ + public: + // constructor + scfx_params(const sc_fxtype_params &, sc_enc, const sc_fxcast_switch &); + + // query functions + const sc_fxtype_params &type_params() const; + sc_enc enc() const; + const sc_fxcast_switch &cast_switch() const; + + // shortcuts + int wl() const; + int iwl() const; + int fwl() const; + sc_q_mode q_mode() const; + sc_o_mode o_mode() const; + int n_bits() const; + + // dump content + void dump(::std::ostream &) const; + + private: + sc_fxtype_params m_type_params; + sc_enc m_enc; + sc_fxcast_switch m_cast_switch; +}; + + +// IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII + +// constructor +inline scfx_params::scfx_params(const sc_fxtype_params &type_params_, + sc_enc enc_, + const sc_fxcast_switch &cast_sw) : + m_type_params(type_params_), m_enc(enc_), m_cast_switch(cast_sw) +{ + if (m_enc == SC_US_ && m_type_params.o_mode() == SC_WRAP_SM) { + SC_REPORT_ERROR("invalid overflow mode", + "SC_WRAP_SM not defined for unsigned numbers"); + // may continue, if suppressed + } +} + +// query functions +inline const sc_fxtype_params & +scfx_params::type_params() const +{ + return m_type_params; +} + +inline sc_enc +scfx_params::enc() const +{ + return m_enc; +} + +inline const sc_fxcast_switch & +scfx_params::cast_switch() const +{ + return m_cast_switch; +} + +// shortcuts +inline int +scfx_params::wl() const +{ + return m_type_params.wl(); +} + +inline int +scfx_params::iwl() const +{ + return m_type_params.iwl(); +} + +inline int +scfx_params::fwl() const +{ + return (m_type_params.wl() - m_type_params.iwl()); +} + +inline sc_q_mode +scfx_params::q_mode() const +{ + return m_type_params.q_mode(); +} + +inline sc_o_mode +scfx_params::o_mode() const +{ + return m_type_params.o_mode(); +} + +inline int +scfx_params::n_bits() const +{ + return m_type_params.n_bits(); +} + +// dump content +inline void +scfx_params::dump(::std::ostream &os) const +{ + os << "scfx_params" << ::std::endl; + os << "(" << ::std::endl; + os << "type_params = "; + m_type_params.dump( os ); + os << "enc = " << m_enc << ::std::endl; + os << "cast_switch = "; + m_cast_switch.dump( os ); + os << ")" << ::std::endl; +} + +} // namespace sc_dt + +#endif // __SYSTEMC_EXT_DT_FX_SCFX_PARAMS_HH__ |