Add the fpga target.
This commit is contained in:
steve
parent
2002c03cef
commit
f063bf833f
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@ -9,7 +9,7 @@
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echo "Autoconf in root..."
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autoconf
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for dir in vpip vvp tgt-vvp
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for dir in vpip vvp tgt-vvp tgt-fpga
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do
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echo "Autoconf in $dir..."
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( cd $dir ; autoconf )
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@ -202,6 +202,6 @@ AC_SUBST(shared)
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AC_MSG_RESULT($shared)
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AC_CONFIG_SUBDIRS(vpip vvp tgt-vvp)
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AC_CONFIG_SUBDIRS(vpip vvp tgt-vvp tgt-fpga)
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AC_OUTPUT(Makefile vpi/Makefile ivlpp/Makefile vvm/Makefile driver/Makefile tgt-null/Makefile tgt-stub/Makefile tgt-verilog/Makefile tgt-pal/Makefile)
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@ -81,11 +81,14 @@
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<ivl>%B/ivl %[v-v] %W %[s-s%s] %[N-N%N] %[T-T%T] -tvvm -Fcprop -Fnodangle -fVPI_MODULE_PATH=%B %f %m -o%o.cc -- -
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# -- (not supported yet)
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# This is the XNF code generator.
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[-txnf]
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<ivl>%B/ivl %[v-v] %[s-s%s] %[N-N%N] %[T-T%T] -tvvm -Fsynth -Fsyn-rules -Fcprop -Fnodangle -o%o -- -
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<ivl>%B/ivl %[v-v] %[s-s%s] %[N-N%N] %[T-T%T] -txnf -Fsynth -Fsyn-rules -Fcprop -Fnodangle -o%o -- -
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# And this is another XNF code generator, under development.
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[-tfpga]
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<ivl>%B/ivl %[v-v] %[s-s%s] %[N-N%N] %[T-T%T] %f -tdll -fDLL=%B/fpga.tgt -Fsynth -Fsyn-rules -Fcprop -Fnodangle -o%o -- -
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# --
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# This is the pal code generator. The target module requires the -fpart=<type>
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@ -0,0 +1,7 @@
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configure
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config.cache
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config.log
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config.status
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Makefile
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fpga.tgt
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dep
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@ -0,0 +1,90 @@
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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 2001/08/28 04:14:20 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 = @bindir@
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libdir = @libdir@
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includedir = $(prefix)/include
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CC = @CC@
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INSTALL = @INSTALL@
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INSTALL_PROGRAM = @INSTALL_PROGRAM@
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INSTALL_DATA = @INSTALL_DATA@
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CPPFLAGS = @CPPFLAGS@ @DEFS@ @PICFLAG@
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CXXFLAGS = @CXXFLAGS@
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LDFLAGS = @LDFLAGS@
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all: fpga.tgt
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%.o: %.c
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@[ -d dep ] || mkdir dep
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$(CC) -Wall -I$(srcdir)/.. $(CPPFLAGS) -MD -c $< -o $*.o
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mv $*.d dep
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O = fpga.o gates.o d-generic.o mangle.o
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ifeq (@WIN32@,yes)
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TGTLDFLAGS=-L.. -livl
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TGTDEPLIBS=../libivl.a
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else
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TGTLDFLAGS=
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TGTDEPLIBS=
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endif
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fpga.tgt: $O $(TGTDEPLIBS)
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$(CC) @shared@ -o $@ $O $(TGTLDFLAGS)
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Makefile: Makefile.in config.status
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./config.status
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clean:
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rm -f *.o dep/*.d
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distclean: clean
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rm -f Makefile config.status config.log config.cache fpga.tgt
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check: all
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install: all installdirs $(libdir)/ivl/fpga.tgt
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$(libdir)/ivl/fpga.tgt: ./fpga.tgt
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$(INSTALL_DATA) ./fpga.tgt $(libdir)/ivl/fpga.tgt
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installdirs: ../mkinstalldirs
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$(srcdir)/../mkinstalldirs $(libdir)/ivl
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uninstall:
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rm -f $(libdir)/ivl/fpga.tgt
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-include $(patsubst %.o, dep/%.d, $O)
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@ -0,0 +1,65 @@
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dnl Process this file with autoconf to produce a configure script.
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AC_INIT(fpga.c)
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dnl Checks for programs.
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AC_PROG_CC
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AC_PROG_INSTALL
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AC_CANONICAL_HOST
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# $host
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AC_CYGWIN
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AC_SUBST(CYGWIN)
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# The -fPIC flag is used to tell the compiler to make position
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# independent code. It is needed when making shared objects.
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AC_MSG_CHECKING("for flag to make position independent code")
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PICFLAG=-fPIC
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case "${host}" in
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*-*-cygwin*)
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PICFLAG=
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;;
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*-*-hpux*)
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PICFLAG=+z
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;;
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esac
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AC_SUBST(PICFLAG)
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AC_MSG_RESULT($PICFLAG)
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AC_MSG_CHECKING("for shared library link flag")
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shared=-shared
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case "${host}" in
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*-*-cygwin*)
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shared="-mdll -Wl,--enable-auto-image-base"
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if test $ac_cv_mingw32 = yes; then
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shared="-shared -Wl,--enable-auto-image-base"
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fi
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;;
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*-*-hpux*)
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shared="-b"
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;;
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esac
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AC_SUBST(shared)
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AC_MSG_RESULT($shared)
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AC_MSG_CHECKING("for Win32")
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WIN32=no
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case "${host}" in
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*-*-cygwin*)
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WIN32=yes
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;;
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esac
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AC_SUBST(WIN32)
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AC_MSG_RESULT($WIN32)
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AC_OUTPUT(Makefile)
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@ -0,0 +1,99 @@
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/*
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* Copyright (c) 2001 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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#ident "$Id: d-generic.c,v 1.1 2001/08/28 04:14:20 steve Exp $"
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# include "device.h"
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# include "fpga_priv.h"
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# include <assert.h>
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/*
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* This is the device emitter for the most generic FPGA. It doesn't
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* know anything special about device types, so can't handle complex
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* logic.
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*/
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static void generic_show_logic(ivl_net_logic_t net)
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{
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char name[1024];
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ivl_nexus_t nex;
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mangle_logic_name(net, name, sizeof name);
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switch (ivl_logic_type(net)) {
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case IVL_LO_AND:
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assert(ivl_logic_pins(net) == 3);
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fprintf(xnf, "SYM, %s, AND, LIBVER=2.0.0\n", name);
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nex = ivl_logic_pin(net, 0);
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draw_pin(nex, "O", 'O');
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nex = ivl_logic_pin(net, 1);
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draw_pin(nex, "I0", 'I');
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nex = ivl_logic_pin(net, 2);
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draw_pin(nex, "I1", 'I');
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break;
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case IVL_LO_BUF:
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assert(ivl_logic_pins(net) == 2);
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fprintf(xnf, "SYM, %s, BUF, LIBVER=2.0.0\n", name);
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nex = ivl_logic_pin(net, 0);
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draw_pin(nex, "O", 'O');
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nex = ivl_logic_pin(net, 1);
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draw_pin(nex, "I", 'I');
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break;
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default:
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fprintf(stderr, "fpga.tgt: unknown logic type %u\n",
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ivl_logic_type(net));
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break;
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}
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fprintf(xnf, "END\n");
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}
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static void generic_show_dff(ivl_lpm_t net)
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{
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char name[1024];
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ivl_nexus_t nex;
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mangle_lpm_name(net, name, sizeof name);
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fprintf(xnf, "SYM, %s, DFF, LIBVER=2.0.0\n", name);
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nex = ivl_lpm_q(net, 0);
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draw_pin(nex, "Q", 'O');
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nex = ivl_lpm_data(net, 0);
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draw_pin(nex, "D", 'I');
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nex = ivl_lpm_clk(net);
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draw_pin(nex, "CLK", 'I');
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fprintf(xnf, "END\n");
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}
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const struct device_s d_generic = {
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0, /* no parent */
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generic_show_logic,
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generic_show_dff
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};
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/*
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* $Log: d-generic.c,v $
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* Revision 1.1 2001/08/28 04:14:20 steve
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* Add the fpga target.
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*
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*/
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@ -0,0 +1,57 @@
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#ifndef __device_H
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#define __device_H
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/*
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* Copyright (c) 2001 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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#ident "$Id: device.h,v 1.1 2001/08/28 04:14:20 steve Exp $"
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# include <ivl_target.h>
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/*
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* This code generator supports a variety of device types. It does
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* this by keeping a device "driver" structure for each device
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* type. The device structure contains pointers to functions that emit
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* the proper XNF for a given type of device.
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*
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* If a device supports a method, the function pointer is filled in
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* with a pointer to the proper function.
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*
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* If a device inherits from a parent class, then it put a pointer to
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* a function that invokes the parent method.
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*
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* If a device does not support the method, then the pointer is null.
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*/
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typedef const struct device_s* device_t;
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struct device_s {
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/* This is the parent device type. */
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struct device_s* parent;
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/* Draw basic logic devices. */
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void (*show_logic)(ivl_net_logic_t net);
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/* This method emits a D type Flip-Flop */
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void (*show_dff)(ivl_lpm_t net);
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};
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/*
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* $Log: device.h,v $
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* Revision 1.1 2001/08/28 04:14:20 steve
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* Add the fpga target.
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*
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*/
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#endif
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@ -0,0 +1,90 @@
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/*
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* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
|
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*
|
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* This source code is free software; you can redistribute it
|
||||
* and/or modify it in source code form under the terms of the GNU
|
||||
* General Public License as published by the Free Software
|
||||
* Foundation; either version 2 of the License, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
||||
*/
|
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#if !defined(WINNT) && !defined(macintosh)
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#ident "$Id: fpga.c,v 1.1 2001/08/28 04:14:20 steve Exp $"
|
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#endif
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# include "config.h"
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/*
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* This is a null target module. It does nothing.
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*/
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# include <ivl_target.h>
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# include "fpga_priv.h"
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/* This is the opened xnf file descriptor. It is the output that this
|
||||
code generator writes to. */
|
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FILE*xnf = 0;
|
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|
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const char*part = 0;
|
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device_t device = 0;
|
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|
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extern const struct device_s d_generic;
|
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|
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static int show_process(ivl_process_t net, void*x)
|
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{
|
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fprintf(stderr, "fpga target: unsynthesized behavioral code\n");
|
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return 0;
|
||||
}
|
||||
|
||||
/*
|
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* This is the main entry point that ivl uses to invoke me, the code
|
||||
* generator.
|
||||
*/
|
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int target_design(ivl_design_t des)
|
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{
|
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const char*path = ivl_design_flag(des, "-o");
|
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ivl_scope_t root = ivl_design_root(des);
|
||||
|
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xnf = fopen(path, "w");
|
||||
if (xnf == 0) {
|
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perror(path);
|
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return -1;
|
||||
}
|
||||
|
||||
fprintf(xnf, "LCANET,6\n");
|
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fprintf(xnf, "PROG,iverilog,$Name: $,\"Icarus Verilog/fpga.tgt\"\n");
|
||||
|
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part = ivl_design_flag(des, "part");
|
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if (part && (part[0]!=0)) {
|
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fprintf(xnf, "PART,%s\n", part);
|
||||
}
|
||||
|
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device = &d_generic;
|
||||
|
||||
/* Catch any behavioral code that is left, and write warnings
|
||||
that it is not supported. */
|
||||
ivl_design_process(des, show_process, 0);
|
||||
|
||||
/* Scan the scopes, looking for gates to draw into the output
|
||||
netlist. */
|
||||
show_scope_gates(root, 0);
|
||||
|
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fprintf(xnf, "EOF\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* $Log: fpga.c,v $
|
||||
* Revision 1.1 2001/08/28 04:14:20 steve
|
||||
* Add the fpga target.
|
||||
*
|
||||
*/
|
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|
|
@ -0,0 +1,48 @@
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#ifndef __fpga_priv_H
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#define __fpga_priv_H
|
||||
/*
|
||||
* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
|
||||
*
|
||||
* This source code is free software; you can redistribute it
|
||||
* and/or modify it in source code form under the terms of the GNU
|
||||
* General Public License as published by the Free Software
|
||||
* Foundation; either version 2 of the License, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
||||
*/
|
||||
#ident "$Id: fpga_priv.h,v 1.1 2001/08/28 04:14:20 steve Exp $"
|
||||
|
||||
# include <stdio.h>
|
||||
# include "device.h"
|
||||
|
||||
/* This is the opened xnf file descriptor. It is the output that this
|
||||
code generator writes to. */
|
||||
extern FILE*xnf;
|
||||
|
||||
extern int show_scope_gates(ivl_scope_t net, void*x);
|
||||
|
||||
extern void draw_pin(ivl_nexus_t nex, const char*nam, char dir);
|
||||
|
||||
extern device_t device;
|
||||
|
||||
/*
|
||||
* These are mangle functions.
|
||||
*/
|
||||
extern void mangle_logic_name(ivl_net_logic_t net, char*buf, size_t nbuf);
|
||||
extern void mangle_lpm_name(ivl_lpm_t net, char*buf, size_t nbuf);
|
||||
|
||||
/*
|
||||
* $Log: fpga_priv.h,v $
|
||||
* Revision 1.1 2001/08/28 04:14:20 steve
|
||||
* Add the fpga target.
|
||||
*
|
||||
*/
|
||||
#endif
|
||||
|
|
@ -0,0 +1,83 @@
|
|||
/*
|
||||
* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
|
||||
*
|
||||
* This source code is free software; you can redistribute it
|
||||
* and/or modify it in source code form under the terms of the GNU
|
||||
* General Public License as published by the Free Software
|
||||
* Foundation; either version 2 of the License, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
||||
*/
|
||||
#ident "$Id: gates.c,v 1.1 2001/08/28 04:14:20 steve Exp $"
|
||||
|
||||
# include <ivl_target.h>
|
||||
# include "fpga_priv.h"
|
||||
# include <assert.h>
|
||||
|
||||
void draw_pin(ivl_nexus_t nex, const char*nam, char dir)
|
||||
{
|
||||
const char*use_name = nam;
|
||||
const char*nex_name = ivl_nexus_name(nex);
|
||||
int invert = 0;
|
||||
|
||||
if (use_name[0] == '~') {
|
||||
invert = 1;
|
||||
use_name += 1;
|
||||
}
|
||||
|
||||
fprintf(xnf, " PIN, %s, %c, %s", use_name, dir, nex_name);
|
||||
|
||||
if (invert)
|
||||
fprintf(xnf, ",,INV");
|
||||
|
||||
fprintf(xnf, "\n");
|
||||
}
|
||||
|
||||
static void show_gate_logic(ivl_net_logic_t net)
|
||||
{
|
||||
device->show_logic(net);
|
||||
}
|
||||
|
||||
static void show_gate_lpm(ivl_lpm_t net)
|
||||
{
|
||||
switch (ivl_lpm_type(net)) {
|
||||
|
||||
case IVL_LPM_FF:
|
||||
device->show_dff(net);
|
||||
break;
|
||||
|
||||
default:
|
||||
fprintf(stderr, "fpga.tgt: unknown LPM type %u\n",
|
||||
ivl_lpm_type(net));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
int show_scope_gates(ivl_scope_t net, void*x)
|
||||
{
|
||||
unsigned idx;
|
||||
|
||||
for (idx = 0 ; idx < ivl_scope_logs(net) ; idx += 1)
|
||||
show_gate_logic(ivl_scope_log(net, idx));
|
||||
|
||||
for (idx = 0 ; idx < ivl_scope_lpms(net) ; idx += 1)
|
||||
show_gate_lpm(ivl_scope_lpm(net, idx));
|
||||
|
||||
return ivl_scope_children(net, show_scope_gates, 0);
|
||||
}
|
||||
|
||||
/*
|
||||
* $Log: gates.c,v $
|
||||
* Revision 1.1 2001/08/28 04:14:20 steve
|
||||
* Add the fpga target.
|
||||
*
|
||||
*/
|
||||
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
/*
|
||||
* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
|
||||
*
|
||||
* This source code is free software; you can redistribute it
|
||||
* and/or modify it in source code form under the terms of the GNU
|
||||
* General Public License as published by the Free Software
|
||||
* Foundation; either version 2 of the License, or (at your option)
|
||||
* any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
||||
*/
|
||||
#ident "$Id: mangle.c,v 1.1 2001/08/28 04:14:20 steve Exp $"
|
||||
|
||||
|
||||
# include "fpga_priv.h"
|
||||
# include <string.h>
|
||||
|
||||
static size_t mangle_scope_name(ivl_scope_t net, char*buf, size_t nbuf)
|
||||
{
|
||||
unsigned cnt = 0;
|
||||
ivl_scope_t parent = ivl_scope_parent(net);
|
||||
|
||||
if (parent) {
|
||||
cnt = mangle_scope_name(parent, buf, nbuf);
|
||||
buf += cnt;
|
||||
nbuf -= cnt;
|
||||
*buf++ = '/';
|
||||
nbuf -= 1;
|
||||
cnt += 1;
|
||||
}
|
||||
|
||||
strcpy(buf, ivl_scope_basename(net));
|
||||
cnt += strlen(buf);
|
||||
|
||||
return cnt;
|
||||
}
|
||||
|
||||
void mangle_logic_name(ivl_net_logic_t net, char*buf, size_t nbuf)
|
||||
{
|
||||
size_t cnt = mangle_scope_name(ivl_logic_scope(net), buf, nbuf);
|
||||
buf[cnt++] = '/';
|
||||
strcpy(buf+cnt, ivl_logic_basename(net));
|
||||
}
|
||||
|
||||
void mangle_lpm_name(ivl_lpm_t net, char*buf, size_t nbuf)
|
||||
{
|
||||
size_t cnt = mangle_scope_name(ivl_lpm_scope(net), buf, nbuf);
|
||||
buf[cnt++] = '/';
|
||||
strcpy(buf+cnt, ivl_lpm_basename(net));
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* $Log: mangle.c,v $
|
||||
* Revision 1.1 2001/08/28 04:14:20 steve
|
||||
* Add the fpga target.
|
||||
*
|
||||
*/
|
||||
|
||||
Loading…
Reference in New Issue