Start stub for loadable targets.
This commit is contained in:
steve
parent
248baa26e1
commit
566aad9e15
11
Makefile.in
11
Makefile.in
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@ -18,7 +18,7 @@
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# 59 Temple Place - Suite 330
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# Boston, MA 02111-1307, USA
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#
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#ident "$Id: Makefile.in,v 1.61 2000/07/14 06:12:56 steve Exp $"
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#ident "$Id: Makefile.in,v 1.62 2000/08/12 16:34:37 steve Exp $"
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#
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#
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SHELL = /bin/sh
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@ -36,6 +36,9 @@ libdir = $(exec_prefix)/lib
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mandir = @mandir@
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includedir = $(prefix)/include
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dllib=@DLLIB@
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rdynamic=@rdynamic@
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CC = @CC@
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CXX = @CXX@
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INSTALL = @INSTALL@
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@ -66,7 +69,7 @@ distclean: clean
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rm -f config.status config.cache config.log
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rm -f Makefile
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TT = t-null.o t-verilog.o t-vvm.o t-xnf.o
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TT = t-dll.o t-null.o t-verilog.o t-vvm.o t-xnf.o
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FF = nodangle.o synth.o syn-rules.o xnfio.o
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O = main.o cprop.o design_dump.o dup_expr.o elaborate.o elab_expr.o \
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@ -101,10 +104,10 @@ verilog: $(srcdir)/verilog.sh
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-e 's;@$(tmp4)@;@CXX@;' < $< > $@
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ivl: $O
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$(CXX) $(CXXFLAGS) -o ivl $O
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$(CXX) $(CXXFLAGS) $(rdynamic) -o ivl $O $(dllib)
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iverilog: iverilog.c
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$(CC) $(CPPFLAGS) -o iverilog -DCXX='"@CXX@"' -DIVL_ROOT='"@libdir@/ivl"' -DIVL_INC='"@includedir@"' -DIVL_LIB='"@libdir@"' -DDLLIB='"@DLLIB@"' iverilog.c
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$(CC) $(CPPFLAGS) -o iverilog -DCXX='"@CXX@"' -DIVL_ROOT='"@libdir@/ivl"' -DIVL_INC='"@includedir@"' -DIVL_LIB='"@libdir@"' -DRDYNAMIC=\"$(rdynamic)\" -DDLLIB='"@DLLIB@"' iverilog.c
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%.o dep/%.d: %.cc
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@[ -d dep ] || mkdir dep
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@ -71,8 +71,8 @@ case "${host}" in
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esac
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AC_DEFINE_UNQUOTED(RDYNAMIC,"${rdynamic}")
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AC_SUBST(rdynamic)
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AC_MSG_RESULT("$RDYNAMIC")
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AC_MSG_RESULT($rdynamic)
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AC_OUTPUT(Makefile vpi/Makefile ivlpp/Makefile vvm/Makefile)
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AC_OUTPUT(Makefile vpi/Makefile ivlpp/Makefile vvm/Makefile tgt-stub/Makefile)
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@ -0,0 +1,81 @@
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#ifndef __ivl_target_H
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#define __ivl_target_H
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/*
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* Copyright (c) 2000 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT) && !defined(macintosh)
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#ident "$Id: ivl_target.h,v 1.1 2000/08/12 16:34:37 steve Exp $"
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#endif
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#ifdef __cplusplus
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#define _BEGIN_DECL extern "C" {
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#define _END_DECL }
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#else
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#define _BEGIN_DECL
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#define _END_DECL
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#endif
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_BEGIN_DECL
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/*
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* This header file describes the API for the loadable target
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* module. The main program can load these modules and access the
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* functions within the loaded module to implement the backend
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* behavior.
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*/
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/* This is the opaque type of an entire design. This type is used when
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requesting an operation that affects the entire netlist. */
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typedef struct ivl_design_s *ivl_design_t;
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/* This function returns the string value of the named flag. The key
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is used to select the flag. If the key does not exist or the flag
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does not have a value, this function returns 0. */
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extern const char* ivl_get_flag(ivl_design_t, const char*key);
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/* TARGET MODULE ENTRY POINTS */
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/* target_start_design (required)
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The "target_start_design" function is called once before
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any other functions in order to start the processing of the
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netlist. The function returns a value <0 if there is an error. */
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typedef int (*start_design_f)(ivl_design_t);
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/* target_end_design (required)
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The target_end_design function in the loaded module is called once
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to clean up (for example to close files) from handling of the
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netlist. */
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typedef void (*end_design_f)(ivl_design_t);
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_END_DECL
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/*
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* $Log: ivl_target.h,v $
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* Revision 1.1 2000/08/12 16:34:37 steve
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* Start stub for loadable targets.
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*
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*/
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#endif
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@ -0,0 +1,91 @@
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/*
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* Copyright (c) 2000 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT) && !defined(macintosh)
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#ident "$Id: t-dll.cc,v 1.1 2000/08/12 16:34:37 steve Exp $"
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#endif
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# include "target.h"
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# include "ivl_target.h"
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# include <dlfcn.h>
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struct ivl_design_s {
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const Design*des_;
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};
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/*
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* The DLL target type loads a named object file to handle the process
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* of scanning the netlist. When it is time to start the design, I
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* locate and link in the desired DLL, then start calling methods. The
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* DLL will call me back to get information out of the netlist in
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* particular.
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*/
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struct dll_target : public target_t {
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bool start_design(const Design*);
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void end_design(const Design*);
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void*dll_;
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struct ivl_design_s ivl_des;
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start_design_f start_design_;
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end_design_f end_design_;
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} dll_target_obj;
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bool dll_target::start_design(const Design*des)
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{
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dll_ = dlopen(des->get_flag("DLL").c_str(), RTLD_NOW);
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if (dll_ == 0) {
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cerr << des->get_flag("DLL") << ": " << dlerror() << endl;
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return false;
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}
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ivl_des.des_ = des;
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start_design_ = (start_design_f)dlsym(dll_, "target_start_design");
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end_design_ = (end_design_f) dlsym(dll_, "target_end_design");
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(start_design_)(&ivl_des);
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return true;
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}
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void dll_target::end_design(const Design*)
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{
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(end_design_)(&ivl_des);
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dlclose(dll_);
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}
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extern const struct target tgt_dll = { "dll", &dll_target_obj };
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/* THE FOLLOWING ARE FUNCTIONS THAT ARE CALLED FROM THE TARGET. */
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extern "C" const char*ivl_get_flag(ivl_design_t des, const char*key)
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{
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return des->des_->get_flag(key).c_str();
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}
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/*
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* $Log: t-dll.cc,v $
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* Revision 1.1 2000/08/12 16:34:37 steve
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* Start stub for loadable targets.
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*
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*/
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@ -17,11 +17,12 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT) && !defined(macintosh)
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#ident "$Id: targets.cc,v 1.5 2000/02/23 02:56:56 steve Exp $"
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#ident "$Id: targets.cc,v 1.6 2000/08/12 16:34:37 steve Exp $"
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#endif
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# include "target.h"
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extern const struct target tgt_dll;
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extern const struct target tgt_null;
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//extern const struct target tgt_verilog;
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extern const struct target tgt_vvm;
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@ -29,6 +30,7 @@ extern const struct target tgt_xnf;
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const struct target *target_table[] = {
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&tgt_null,
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&tgt_dll,
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//&tgt_verilog,
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&tgt_vvm,
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&tgt_xnf,
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@ -37,6 +39,9 @@ const struct target *target_table[] = {
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/*
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* $Log: targets.cc,v $
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* Revision 1.6 2000/08/12 16:34:37 steve
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* Start stub for loadable targets.
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*
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* Revision 1.5 2000/02/23 02:56:56 steve
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* Macintosh compilers do not support ident.
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*
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@ -0,0 +1,3 @@
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stub.tgt
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Makefile
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dep
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@ -0,0 +1,75 @@
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#
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# This source code is free software; you can redistribute it
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# and/or modify it in source code form under the terms of the GNU
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# Library General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Library General Public License for more details.
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#
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# You should have received a copy of the GNU Library General Public
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# License along with this program; if not, write to the Free
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# Software Foundation, Inc.,
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# 59 Temple Place - Suite 330
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# Boston, MA 02111-1307, USA
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#
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#ident "$Id: Makefile.in,v 1.1 2000/08/12 16:34:37 steve Exp $"
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#
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#
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SHELL = /bin/sh
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VERSION = 0.0
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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srcdir = @srcdir@
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VPATH = $(srcdir)
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bindir = $(exec_prefix)/bin
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libdir = $(exec_prefix)/lib
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includedir = $(prefix)/include
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CC = @CC@
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CXX = @CXX@
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INSTALL = @INSTALL@
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INSTALL_PROGRAM = @INSTALL_PROGRAM@
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INSTALL_DATA = @INSTALL_DATA@
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CPPFLAGS = @CPPFLAGS@ @DEFS@ -fpic
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CXXFLAGS = @CXXFLAGS@
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LDFLAGS = @LDFLAGS@
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all: stub.tgt
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%.o dep/%.d: %.c
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@[ -d dep ] || mkdir dep
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$(CC) -Wall $(CPPFLAGS) -I$(srcdir) -MD -c $< -o $*.o
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mv $*.d dep
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O = stub.o
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stub.tgt: $O
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$(CC) -shared -o $@ $O
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clean:
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rm -f *.o dep/*.d
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install: all installdirs $(libdir)/ivl/stub.tgt \
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$(includedir)/vpi_user.h
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$(libdir)/ivl/stub.tgt: ./stub.tgt
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$(INSTALL_DATA) ./stub.tgt $(libdir)/ivl/stub.tgt
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installdirs: ../mkinstalldirs
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$(srcdir)/../mkinstalldirs $(includedir) $(bindir) $(libdir)/ivl
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uninstall:
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rm -f $(libdir)/ivl/stub.tgt
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-include $(patsubst %.o, dep/%.d, $O)
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@ -0,0 +1,57 @@
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/*
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* Copyright (c) 2000 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT) && !defined(macintosh)
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#ident "$Id: stub.c,v 1.1 2000/08/12 16:34:37 steve Exp $"
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#endif
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# include <ivl_target.h>
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# include <stdio.h>
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static FILE*out;
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int target_start_design(ivl_design_t des)
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{
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const char*path = ivl_get_flag(des, "-o");
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if (path == 0) {
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return -1;
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}
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out = fopen(path, "w");
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if (out == 0) {
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perror(path);
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return -2;
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}
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fprintf(out, "STUB: start_design\n");
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return 0;
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}
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void target_end_design(ivl_design_t des)
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{
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fprintf(out, "STUB: end_design\n");
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fclose(out);
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}
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/*
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* $Log: stub.c,v $
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* Revision 1.1 2000/08/12 16:34:37 steve
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* Start stub for loadable targets.
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*
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*/
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