In ivl_alloc.h we redefine malloc(), realloc() and calloc() to have
standard error checking. We don't want to do this for anything that
comes from the standard headers. This specifically doesn't work if
a C++ header files does std::malloc, etc.
Also change to -W instead of -Wextra since that is more portable. I
plan to add a check from -Wextra and use it when available since it
is more descriptive.
The SDF file format supports zero or more timing specs. Previously
the parser was one or more. Things like tie high/low cells do not
have any delay information so zero or more is needed and matches
the standard.
This patch adds support to $sdf_annotate to ignore RECREM constructs
in the SDF file. It also adds the ability to not specify all the
values in a rtriple (e.g. 1.1::1.6).
Icarus does not support interconnect delays so INTERCONNECT is
currently ignored. The SDF parser does not currently support a
bit select as a port_instance. Since we are already ignoring
the INTERCONNECT I added support for bit selects there. This
is probably the most common place to find them.
This patch adds support for the other edges 01, 10, etc. These still
need to be verified in the context of IOPATHs, but they are ignored
in the timing checks and that's what was needed.
Parse SDF file annotations of edge sensitive delay paths.
Add vpi support for getting the specified edge sensitivity of
an edge sensitive path, and annotate paths with proper attention
to the edge that is specified for the path.
the lexor didn't allow numbers in the IDENTIFIER name,
and the parser wasn't very nice with IDENTIFIER errors.
Signed-off-by: Stephen Williams <steve@icarus.com>
Implement extended vvp command line options to control the amount
of detail that the sdf annotator emits while parsing the source
file.
Signed-off-by: Stephen Williams <steve@icarus.com>
Pass parsed SDF delays into the vvp run time as vpiScaledRealTime
variables, and handling the mapping of 2-values to 12-delays.
Signed-off-by: Stephen Williams <steve@icarus.com>
Cary R
Stephen Williams