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V0.9: Add support for giving both strengths to a pull device. 

In the standard a pull device can be given both a 1 and 0 strength.
Only the appropriate one is actually used. This patch adds support
for giving both pull strength to a pull device.
This commit is contained in:
Cary R 2011-01-28 17:34:43 -08:00 committed by Stephen Williams
parent 3b89043f68
commit 8841f81f51
1 changed files with 16 additions and 0 deletions
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@ -2226,10 +2226,26 @@ module_item
{ pform_makegates(PGBuiltin::PULLUP, $3, 0, $5, 0);
}
| K_pullup '(' dr_strength1 ',' dr_strength0 ')' gate_instance_list ';'
{ pform_makegates(PGBuiltin::PULLUP, $3, 0, $7, 0);
}
| K_pullup '(' dr_strength0 ',' dr_strength1 ')' gate_instance_list ';'
{ pform_makegates(PGBuiltin::PULLUP, $5, 0, $7, 0);
}
| K_pulldown '(' dr_strength0 ')' gate_instance_list ';'
{ pform_makegates(PGBuiltin::PULLDOWN, $3, 0, $5, 0);
}
| K_pulldown '(' dr_strength1 ',' dr_strength0 ')' gate_instance_list ';'
{ pform_makegates(PGBuiltin::PULLDOWN, $5, 0, $7, 0);
}
| K_pulldown '(' dr_strength0 ',' dr_strength1 ')' gate_instance_list ';'
{ pform_makegates(PGBuiltin::PULLDOWN, $3, 0, $7, 0);
}
/* This rule handles instantiations of modules and user defined
primitives. These devices to not have delay lists or strengths,
but then can have parameter lists. */