5aee3b866a
do not assert if memory reference is invalid.
2001-05-17 03:35:22 +00:00
a52b34cb64
Add pullup and pulldown devices.
2001-04-29 20:19:10 +00:00
9bb2cee686
UDP instances need not have user supplied names.
2001-04-28 23:18:08 +00:00
8dfa322b8b
Support for UDP devices in VVP (Stephen Boettcher)
2001-04-24 02:23:58 +00:00
66cf3ec8fa
More UDP consolidation from Stephan Boettcher.
2001-04-22 23:09:45 +00:00
f40d006c26
Generate code for task calls.
2001-04-02 02:28:12 +00:00
2b0aaec8ab
FreeBSD port has a maintainer now.
2001-02-15 06:59:35 +00:00
7ef3b44ab1
support evaluation of constant < in expressions.
2001-02-09 05:44:23 +00:00
2fbc0af1ea
Fix expression widths for rvalues and parameters (PR#131,132)
2001-02-07 21:47:13 +00:00
219df169a3
Generalize the evaluation of floating point delays, and
...
get it working with delay assignment statements.
Allow parameters to be referenced by hierarchical name.
2001-01-14 23:04:55 +00:00
5276752276
Build task outputs as lval instead of nets. (PR#98)
2001-01-10 03:13:23 +00:00
6bf599e839
Cope with width mismatches to module ports (PR#89)
2001-01-09 05:58:47 +00:00
5144725b8f
Accept x in outputs of primitive. (PR#84)
2000-12-15 01:24:17 +00:00
084a464cf1
Support decimal constants in behavioral delays.
2000-12-10 22:01:35 +00:00
9ddd0491f7
Support delays on continuous assignment from idents. (PR#40)
2000-12-10 06:41:59 +00:00
f6507cba43
Check lvalue of procedural continuous assign (PR#29)
2000-12-06 06:31:09 +00:00
e310532434
Handle null statements inside a wait. (PR#60)
2000-12-01 23:52:49 +00:00
28bc621f11
change set for support of nmos, pmos, rnmos, rpmos, notif0, and notif1
...
change set to correct behavior of bufif0 and bufif1
(Tim Leight)
Also includes fix for PR#27
2000-11-11 01:52:09 +00:00
f4ed0e35af
Handle connectsion to internally unconnected modules (PR#38)
2000-11-05 06:05:59 +00:00
ad4931e813
Add scope to threads in vvm, pass that scope
...
to vpi sysTaskFunc objects, and add vpi calls
to access that information.
$display displays scope in %m (PR#1)
2000-10-28 00:51:41 +00:00
f915efaf15
Fix handling of errors in behavioral lvalues. (PR#28)
2000-10-26 17:09:46 +00:00
76e2c509d7
Put logic devices into scopes.
2000-10-07 19:45:42 +00:00
40028f263f
Do not put noop statements into blocks.
2000-09-29 22:58:57 +00:00
cbe20e8bcf
fix null pointer when elaborating undefined task.
2000-09-24 17:41:13 +00:00
9067c91656
Correctly measure comples l-values of assignments.
2000-09-20 02:53:14 +00:00
b6ce313e91
move lval elaboration to PExpr virtual methods.
2000-09-09 15:21:26 +00:00
4cf75adf94
Fix bit padding of assign signal-to-signal
2000-09-07 01:29:44 +00:00
49570b8cd9
encapsulate access to the l-value expected width.
2000-09-07 00:06:53 +00:00
24e46723b0
Change elaborate_lval to return NetAssign_ objects.
2000-09-03 17:58:35 +00:00
115d24a292
Pull NetAssign_ creation out of constructors.
2000-09-02 23:40:12 +00:00
ac81f6a201
Rearrange NetAssign to make NetAssign_ separate.
2000-09-02 20:54:20 +00:00
a59bbdeb4f
Proper error messages when port direction is missing.
2000-08-18 04:38:57 +00:00
0243fca8dc
Rearrange task and function elaboration so that the
...
NetTaskDef and NetFuncDef functions are created during
signal enaboration, and carry these objects in the
NetScope class instead of the extra, useless map in
the Design class.
2000-07-30 18:25:43 +00:00
4494a7a4f3
Support elaboration of disable statements.
2000-07-27 05:13:44 +00:00
739365abe5
Parse disable statements to pform.
2000-07-26 05:08:07 +00:00
286cef19fb
Parse and elaborate timescale to scopes.
2000-07-22 22:09:03 +00:00
42e4ff47c8
Move inital value handling from NetNet to Nexus
...
objects. This allows better propogation of inital
values.
Clean up constant propagation a bit to account
for regs that are not really values.
2000-07-14 06:12:56 +00:00
18eb34921f
Add support for non-constant delays in delay statements,
...
Support evaluating ! in constant expressions, and
move some code from netlist.cc to net_proc.cc.
2000-07-07 04:53:53 +00:00
66ae567b25
Index in memory assign should be a NetExpr.
2000-06-13 03:24:48 +00:00
c1c0168893
Globally merge redundant event objects.
2000-05-31 02:26:49 +00:00
fd09bc3e3e
Merge similar probes within a module.
2000-05-27 19:33:23 +00:00
3676d66408
Module ports are really special PEIdent
...
expressions, because a name can be used
many places in the port list.
2000-05-16 04:05:15 +00:00
367db72c99
Add support for procedural continuous assignment.
2000-05-11 23:37:26 +00:00
e81ce68e8c
Use bufz to make assignments directional.
2000-05-08 05:28:29 +00:00
c4d8ded269
non-blocking assignment to a bit select.
2000-05-07 21:17:21 +00:00
b90cda1f3f
Carry strength values from Verilog source to the
...
pform and netlist for gates.
Change vvm constants to use the driver_t to drive
a constant value. This works better if there are
multiple drivers on a signal.
2000-05-07 04:37:55 +00:00
1db70a0c46
Move signal elaboration to a seperate pass.
2000-05-02 16:27:38 +00:00
69612ceb73
Move memories to the NetScope object.
2000-05-02 03:13:30 +00:00
8d8f1e2401
Move signal tables to the NetScope class.
2000-05-02 00:58:11 +00:00
77361fb8a0
Overly aggressive eliding of task calls.
2000-04-28 23:12:12 +00:00
3a9be680a4
Skip empty tasks.
2000-04-28 22:17:47 +00:00
08e9a114a2
Catch memory word parameters to tasks.
2000-04-28 16:50:53 +00:00
a8114ae122
Add support for the procedural release statement.
2000-04-23 03:45:24 +00:00
44838f8973
Add support for force assignment.
2000-04-22 04:20:19 +00:00
99a891b8a1
Bit padding in assignment to memory.
2000-04-21 04:38:15 +00:00
4f07c43976
Minor cleanup of NetTaskDef.
2000-04-18 01:02:53 +00:00
b1fd927acb
Named events really should be expressed with PEIdent
...
objects in the pform,
Handle named events within the mix of net events
and edges. As a unified lot they get caught together.
wait statements are broken into more complex statements
that include a conditional.
Do not generate NetPEvent or NetNEvent objects in
elaboration. NetEvent, NetEvWait and NetEvProbe
take over those functions in the netlist.
2000-04-12 04:23:57 +00:00
8dbd64121f
All events now use the NetEvent class.
2000-04-10 05:26:05 +00:00
72b3508911
Catch event declarations during scope elaborate.
2000-04-09 17:44:30 +00:00
e9b06f1022
Catch event names in parentheses.
2000-04-09 16:43:50 +00:00
30e8289239
Simulate named event trigger and waits.
2000-04-04 03:20:15 +00:00
6150be2324
detect unsupported block on named events.
2000-04-01 22:14:19 +00:00
2dd010dc04
Named events as far as the pform.
2000-04-01 19:31:57 +00:00
d97ab9be23
New and improved combinational primitives.
2000-03-29 04:37:10 +00:00
94270ff988
Fix lval part select of non-blocking assign.
2000-03-20 15:28:58 +00:00
01c5147079
Connect output of NB assign to indexed pin.
2000-03-12 21:41:47 +00:00
78ab1a7bba
Locate scopes in statements.
2000-03-11 03:25:51 +00:00
61822d48aa
Handle defparam to partial hierarchical names.
2000-03-10 06:20:48 +00:00
e7efc2709a
Redesign the implementation of scopes and parameters.
...
I now generate the scopes and notice the parameters
in a separate pass over the pform. Once the scopes
are generated, I can process overrides and evalutate
paremeters before elaboration begins.
2000-03-08 04:36:53 +00:00
b734ecf02f
Macintosh compilers do not support ident.
2000-02-23 02:56:53 +00:00
5b52c384d6
Catch module instantiation arrays.
2000-02-18 05:15:02 +00:00
bd09bed662
Mark the line numbers of NetCondit nodes.
2000-02-14 00:11:11 +00:00
ee180f6cf0
Include the scope in named gates.
2000-02-06 23:13:14 +00:00
fac3bde2c8
Elaborate parameters afer binding of overrides.
2000-01-10 01:35:23 +00:00
9125a4c451
Careful with wires connected to multiple ports.
2000-01-09 20:37:57 +00:00
2de887c2ff
Support named parameter override lists.
2000-01-09 05:50:48 +00:00
0d5e4b40d0
Structural reduction XNOR.
2000-01-02 19:39:03 +00:00
142b9e667d
Do not overrun the pin index when the LSB != 0.
2000-01-02 18:25:37 +00:00
e6820ed169
Handle synthesis of concatenation.
2000-01-01 06:18:00 +00:00
6e3c258edb
Detect duplicate scopes.
1999-12-14 23:42:16 +00:00
3e1738dcec
Fix support for attaching attributes to primitive gates.
1999-12-11 05:45:41 +00:00
3e2bb85f58
Synthesize LPM_RAM_DQ for writes into memories.
1999-12-05 02:24:08 +00:00
cdb99e7638
Elaborate net repeat concatenations.
1999-12-02 04:08:10 +00:00
e96e8c62be
NetESignal object no longer need to be NetNode
...
objects. Let them keep a pointer to NetNet objects.
1999-11-28 23:42:02 +00:00
4cfa3e4047
Support the creation of scopes.
1999-11-27 19:07:57 +00:00
26288eeeb4
Detect and list scope names.
1999-11-24 04:01:58 +00:00
85ab6d160b
Handle multiply in constant expressions.
1999-11-21 20:03:24 +00:00
4cfa715092
Memory name lookup handles scopes.
1999-11-21 17:35:37 +00:00
b4aade1e4c
Fix coding errors handling names of logic devices,
...
and add support for buf device in vvm.
1999-11-21 01:16:51 +00:00
a81dcd7955
Support memories in continuous assignments.
1999-11-21 00:13:08 +00:00
9d6392fda9
Turn NetTmp objects into normal local NetNet objects,
...
and add the nodangle functor to clean up the local
symbols generated by elaboration and other steps.
1999-11-18 03:52:19 +00:00
82f3f0f741
Create the vpiMemory handle type.
1999-11-10 02:52:24 +00:00
206b37e5de
Fix NetConst being set to zero width, and clean
...
up elaborate_set_cmp_ for NetEBinary.
1999-11-05 21:45:19 +00:00
cb5fc54b5e
Patch to synthesize unary ~ and the ternary operator.
...
Thanks to Larry Doolittle <LRDoolittle@lbl.gov>.
Add the LPM_MUX device, and integrate it with the
ternary synthesis from Larry. Replace the lpm_mux
generator in t-xnf.cc to use XNF EQU devices to
put muxs into function units.
Rewrite elaborate_net for the PETernary class to
also use the LPM_MUX device.
1999-11-04 03:53:26 +00:00
e1bbbe5614
Include subtraction in LPM_ADD_SUB device.
1999-10-31 20:08:24 +00:00
71ecf8c143
Add to netlist links pin name and instance number,
...
and arrange in vvm for pin connections by name
and instance number.
1999-10-31 04:11:27 +00:00
8ab03fa90f
Catch unindexed memory reference.
1999-10-18 00:02:21 +00:00
475dd5760a
Remove commented out do_assign.
1999-10-13 03:16:36 +00:00
70a1236626
Structural case equals device.
1999-10-10 01:59:54 +00:00
7201865554
Support parameters in continuous assignments.
1999-10-09 21:30:16 +00:00
steve