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iverilog.conf
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iverilog.conf
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# The iverilog.conf configuration file provides to the iverilog driver
# strings based on switches that are passed by the user on the command
# line.
#
# Comments start from the hash (#) character and run to the end of the
# line.
#
# Conditions are a list of requirements between [] characters. For the
# set of patterns following a string to b activated, all the
# conditions must be true. Valid conditions are:
#
# -S -- The -S flag is passed to iverilog
# -t<string> -- The -t<string> parameters is passed to iverilog
#
#
# Patterns have a name and text. The name has the form <key> where the
# key is some key value that is required by iverilog. The commonly
# used keys are:
#
# <ivl>
# The string here is the command line needed to take the
# preprocessor output (ivlpp) and compile it with the
# target. All target types use this key.
#
# The pattern text includes %<code> substitutions. iverilog
# substitutes values for the %<code> sequences within the text.
#
# %B Substitute the base libdir, -B flag of iverilog.
#
# %C Substitute the path to the temporary config file.
#
# %f Substitute the -f flags from the command line.
#
# %g Substitute the -g flag
#
# %s Substitute the start module (-s flag) from the user.
#
# %M Substitute the value of the -M<depfile> flag.
#
# %N Substitute the value of the -N<path> flag.
#
# %o Substitute the value of the -o<path> flag, or the default
# output path if there is no -o flag.
#
# %T Substitute min, typ or max depending on the -T flag from the
# command line.
#
#
# %W Substitute the ivl warning flags.
#
# %[<c><text>]
# This substitution pattern is magical, and is the only
# multicharacter pattern. This tests the code <c>, and
# substitutes <text> into the output only if <c> is true.
# The <text> may include further substitution strings, and is
# terminated by a ``]'' character.
# This is the null (no op) target. There is a synthesis version and a
# non-synthesis version. Normally, this does not matter, but this can
# be useful and interesting if the -N flag is included.
[-tnull -S]
<ivl>%B/ivl %[v-v] -C%C %g %W %s %[M-M%M] %[N-N%N] %[T-T%T] -tdll -fDLL=%B/null.tgt -Fsynth -Fsyn-rules -- -
[-tnull]
<ivl>%B/ivl %[v-v] -C%C %g %W %s %[M-M%M] %[N-N%N] %[T-T%T] -tdll -fDLL=%B/null.tgt -- -
# --
# The vvp target generates code that the vvp simulation engine can execute.
# These rules support synthesized and non-synthesized variants.
[-tvvp -S]
<ivl>%B/ivl %[v-v] -C%C %g %W %s %[M-M%M] %[N-N%N] %[T-T%T] -tdll -fDLL=%B/vvp.tgt -fVVP_EXECUTABLE=%B/../../bin/vvp -Fsynth2 -Fsynth -Fsyn-rules -Fcprop -Fnodangle %f %m -o%o -- -
[-tvvp]
<ivl>%B/ivl %[v-v] -C%C %g %W %s %[M-M%M] %[N-N%N] %[T-T%T] -tdll -fDLL=%B/vvp.tgt -fVVP_EXECUTABLE=%B/../../bin/vvp -Fcprop -Fnodangle %f %m -o%o -- -
# This is the XNF code generator.
[-txnf]
<ivl>%B/ivl -C%C %[v-v] %g %s %[M-M%M] %[N-N%N] %[T-T%T] -txnf -Fsynth -Fsyn-rules -Fxnfio -Fcprop -Fnodangle -o%o -- -
# And this is another XNF code generator, under development.
[-tfpga]
<ivl>%B/ivl -C%C %[v-v] %g %s %[M-M%M] %[N-N%N] %[T-T%T] %f -tdll -fDLL=%B/fpga.tgt -Fsynth2 -Fsynth -Fsyn-rules -Fcprop -Fnodangle -o%o -- -
# --
# This is the pal code generator. The target module requires the -fpart=<type>
# flag to specify the part type.
[-tpal]
<ivl>%B/ivl -C%C %[v-v] %g %s %[M-M%M] %[N-N%N] %[T-T%T] %f -tdll -fDLL=%B/pal.tgt -Fsynth -Fsyn-rules -Fcprop -Fnodangle -o%o -- -