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156 Commits

Author SHA1 Message Date
steve d78c7392c2 Remove dead code. 2001-02-08 01:10:30 +00:00
steve 2fbc0af1ea Fix expression widths for rvalues and parameters (PR#131,132) 2001-02-07 21:47:13 +00:00
steve 145ac49233 NetMux needs a scope. (PR#115) 2001-01-18 03:16:35 +00:00
steve cc18d065aa declaration initialization for time variables. 2001-01-06 06:31:58 +00:00
steve 68e672e61a Support arrays of integers. 2001-01-06 02:29:35 +00:00
steve 5dbea64759 Add support for signed reg variables, 
simulate in t-vvm signed comparisons.
 2000-12-11 00:31:43 +00:00
steve 3b9a60414e Make signal attributes available to ivl_target API. 2000-12-05 06:29:33 +00:00
steve 4f638882c9 Add Attrib class for holding NetObj attributes. 2000-12-04 17:37:03 +00:00
steve a5c69b50e5 Do not delete synthesized signals used in expressions. 2000-11-29 23:16:18 +00:00
steve ea921efced synthesis for unary reduction ! and N operators. 2000-11-29 05:24:00 +00:00
steve f4443a7dfa Add support for supply nets (PR#17) 2000-11-20 00:58:40 +00:00
steve a8da692540 Add support for the t-dll backend grabing flip-flops. 2000-11-11 00:03:36 +00:00
steve 3591e06c4e Support time variables. 2000-10-31 17:49:02 +00:00
steve 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
steve 76e2c509d7 Put logic devices into scopes. 2000-10-07 19:45:42 +00:00
steve 6f69773c57 ivl_target updates, including more complete 
handling of ivl_nexus_t objects. Much reduced
 dependencies on pointers to netlist objects.
 2000-10-06 23:46:50 +00:00
steve 41f3ba65a1 xor and constant devices. 2000-10-05 05:03:01 +00:00
steve 79b1c51e68 Detect indefinite widths where definite widths are required. 2000-09-26 05:05:58 +00:00
steve 8b581cef46 Remove the obsolete NetEIdent class. 2000-09-26 01:35:42 +00:00
steve 2be1c115ff Move some NetNet method out of the header file. 2000-09-24 15:44:44 +00:00
steve 48ff3590bc Access to the name of a system task call. 2000-09-22 03:58:30 +00:00
steve ac81f6a201 Rearrange NetAssign to make NetAssign_ separate. 2000-09-02 20:54:20 +00:00
steve ff32325d07 t-dll iterates signals, and passes them to the 
target module.

 Some of NetObj should return char*, not string.
 2000-08-27 15:51:50 +00:00
steve 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
steve 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
steve 583868e74e Redesign Links to include the Nexus class that 
carries properties of the connected set of links.
 2000-06-25 19:59:41 +00:00
steve e52ada617e Get rid of useless next_link method. 2000-06-24 22:55:19 +00:00
steve 66ae567b25 Index in memory assign should be a NetExpr. 2000-06-13 03:24:48 +00:00
steve 413d852012 NetEParam supports dup_expr. 2000-06-12 03:57:10 +00:00
steve fd09bc3e3e Merge similar probes within a module. 2000-05-27 19:33:23 +00:00
steve d9eed14972 Accept different widths for add operands. 2000-05-19 01:43:16 +00:00
steve 367db72c99 Add support for procedural continuous assignment. 2000-05-11 23:37:26 +00:00
steve b28f258463 Import MCD support from Stephen Tell, and add 
system function parameter support to the IVL core.
 2000-05-07 18:20:07 +00:00
steve 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
steve fbe475ef7d Add infrastructure for system functions, move 
$time to that structure and add $random.
 2000-05-04 03:37:58 +00:00
steve 69612ceb73 Move memories to the NetScope object. 2000-05-02 03:13:30 +00:00
steve 8d8f1e2401 Move signal tables to the NetScope class. 2000-05-02 00:58:11 +00:00
steve 2b40c7ce11 integer division in expressions properly get width. 2000-04-28 18:43:23 +00:00
steve a8114ae122 Add support for the procedural release statement. 2000-04-23 03:45:24 +00:00
steve 44838f8973 Add support for force assignment. 2000-04-22 04:20:19 +00:00
steve 4f07c43976 Minor cleanup of NetTaskDef. 2000-04-18 01:02:53 +00:00
steve 726f7b8b11 Synthesis of comparator in expressions. 
Connect the NetEvent and related classes
 together better.
 2000-04-16 23:32:18 +00:00
steve 7484feceb5 fork-join support in vvm. 2000-04-15 19:51:30 +00:00
steve 4493e968da Finally remove the NetNEvent and NetPEvent classes, 
Get synthesis working with the NetEvWait class,
 and get started supporting multiple events in a
 wait in vvm.
 2000-04-12 20:02:52 +00:00
steve 30e8289239 Simulate named event trigger and waits. 2000-04-04 03:20:15 +00:00
steve b62a7ace5c Remove the useless sref template. 2000-04-02 04:26:06 +00:00
steve 694ff934af Add support for integer division. 2000-04-01 21:40:22 +00:00
steve d97ab9be23 New and improved combinational primitives. 2000-03-29 04:37:10 +00:00
steve 6eef54595f Support localparam. 2000-03-12 17:09:40 +00:00
steve 61822d48aa Handle defparam to partial hierarchical names. 2000-03-10 06:20:48 +00:00