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Support memory objects. (Stephan Boettcher)

This commit is contained in:
steve 2001-05-06 17:48:20 +00:00
parent e328cf9fed
commit b7569f4d70
3 changed files with 74 additions and 106 deletions
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21
ivl_target.h
View File

@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: ivl_target.h,v 1.57 2001/04/29 23:17:38 steve Exp $"
#ident "$Id: ivl_target.h,v 1.58 2001/05/06 17:48:20 steve Exp $"
#endif
#ifdef __cplusplus
@ -135,6 +135,7 @@ typedef struct ivl_nexus_ptr_s*ivl_nexus_ptr_t;
typedef struct ivl_process_s *ivl_process_t;
typedef struct ivl_scope_s *ivl_scope_t;
typedef struct ivl_signal_s *ivl_signal_t;
typedef struct ivl_memory_s *ivl_memory_t;
typedef struct ivl_statement_s*ivl_statement_t;
/*
@ -163,6 +164,7 @@ typedef enum ivl_expr_type_e {
IVL_EX_SCOPE,
IVL_EX_SFUNC,
IVL_EX_SIGNAL,
IVL_EX_MEMORY,
IVL_EX_STRING,
IVL_EX_SUBSIG,
IVL_EX_UFUNC,
@ -376,11 +378,11 @@ extern ivl_expr_type_t ivl_expr_type(ivl_expr_t net);
extern const char* ivl_expr_bits(ivl_expr_t net);
/* IVL_EX_UFUNC */
extern ivl_scope_t ivl_expr_def(ivl_expr_t net);
/* IVL_EX_SIGNAL, IVL_EX_SFUNC */
/* IVL_EX_SIGNAL, IVL_EX_SFUNC, IVL_EX_MEMORY */
extern const char* ivl_expr_name(ivl_expr_t net);
/* IVL_EX_BINARY IVL_EX_UNARY */
extern char ivl_expr_opcode(ivl_expr_t net);
/* IVL_EX_BINARY IVL_EX_UNARY */
/* IVL_EX_BINARY IVL_EX_UNARY, IVL_EX_MEMORY */
extern ivl_expr_t ivl_expr_oper1(ivl_expr_t net);
/* IVL_EX_BINARY */
extern ivl_expr_t ivl_expr_oper2(ivl_expr_t net);
@ -403,6 +405,16 @@ extern unsigned long ivl_expr_uvalue(ivl_expr_t net);
/* any expression */
extern unsigned ivl_expr_width(ivl_expr_t net);
/*
* Memory.
*
*/
extern char*ivl_memory_name(ivl_memory_t net);
extern unsigned ivl_memory_root(ivl_memory_t net);
extern unsigned ivl_memory_width(ivl_memory_t net);
extern ivl_memory_t ivl_expr_memory(ivl_expr_t net);
/* LOGIC
* These types and functions support manipulation of logic gates. The
* ivl_logic_t enumeration identifies the various kinds of gates that
@ -812,6 +824,9 @@ _END_DECL
/*
* $Log: ivl_target.h,v $
* Revision 1.58 2001/05/06 17:48:20 steve
* Support memory objects. (Stephan Boettcher)
*
* Revision 1.57 2001/04/29 23:17:38 steve
* Carry drive strengths in the ivl_nexus_ptr_t, and
* handle constant devices in targets.'

34
t-dll-api.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: t-dll-api.cc,v 1.42 2001/04/29 23:17:38 steve Exp $"
#ident "$Id: t-dll-api.cc,v 1.43 2001/05/06 17:48:20 steve Exp $"
#endif
# include "t-dll.h"
@ -54,6 +54,23 @@ extern "C" ivl_expr_type_t ivl_expr_type(ivl_expr_t net)
return net->type_;
}
extern "C" char*ivl_memory_name(ivl_memory_t net)
{
return net->name_;
}
extern "C" unsigned ivl_memory_root(ivl_memory_t net)
{
return net->root_;
}
extern "C" unsigned ivl_memory_width(ivl_memory_t net)
{
return net->width_;
}
extern "C" const char*ivl_const_bits(ivl_net_const_t net)
{
assert(net);
@ -171,6 +188,9 @@ extern "C" const char* ivl_expr_name(ivl_expr_t net)
case IVL_EX_SIGNAL:
return net->u_.subsig_.name_;
case IVL_EX_MEMORY:
return net->u_.memory_.mem_->name_;
default:
assert(0);
}
@ -203,6 +223,9 @@ extern "C" ivl_expr_t ivl_expr_oper1(ivl_expr_t net)
case IVL_EX_UNARY:
return net->u_.unary_.sub_;
case IVL_EX_MEMORY:
return net->u_.memory_.idx_;
default:
assert(0);
}
@ -304,6 +327,12 @@ extern "C" unsigned ivl_expr_width(ivl_expr_t net)
return net->width_;
}
extern "C" ivl_memory_t ivl_expr_memory(ivl_expr_t net)
{
assert(net->type_ == IVL_EX_MEMORY);
return net->u_.memory_.mem_;
}
extern "C" const char* ivl_logic_name(ivl_net_logic_t net)
{
assert(net);
@ -1054,6 +1083,9 @@ extern "C" ivl_statement_t ivl_stmt_sub_stmt(ivl_statement_t net)
/*
* $Log: t-dll-api.cc,v $
* Revision 1.43 2001/05/06 17:48:20 steve
* Support memory objects. (Stephan Boettcher)
*
* Revision 1.42 2001/04/29 23:17:38 steve
* Carry drive strengths in the ivl_nexus_ptr_t, and
* handle constant devices in targets.'

125
t-dll.h
View File

@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: t-dll.h,v 1.41 2001/04/29 23:17:38 steve Exp $"
#ident "$Id: t-dll.h,v 1.42 2001/05/06 17:48:20 steve Exp $"
#endif
# include "target.h"
@ -168,6 +168,11 @@ struct ivl_expr_s {
ivl_expr_t lsb_;
} subsig_;
struct {
ivl_memory_t mem_;
ivl_expr_t idx_;
} memory_;
struct {
ivl_scope_t def;
ivl_expr_t *parm;
@ -326,6 +331,20 @@ struct ivl_nexus_s {
char*name_;
};
/*
* Memory.
*/
struct ivl_memory_s {
char*name_;
ivl_scope_t scope_;
unsigned width_ :24;
unsigned signed_ : 1;
unsigned size_;
int root_;
};
/*
* All we know about a process it its type (initial or always) and the
* single statement that is it. A process also has a scope, although
@ -477,6 +496,9 @@ struct ivl_statement_s {
/*
* $Log: t-dll.h,v $
* Revision 1.42 2001/05/06 17:48:20 steve
* Support memory objects. (Stephan Boettcher)
*
* Revision 1.41 2001/04/29 23:17:38 steve
* Carry drive strengths in the ivl_nexus_ptr_t, and
* handle constant devices in targets.'
@ -516,106 +538,5 @@ struct ivl_statement_s {
*
* Revision 1.29 2001/04/01 01:48:21 steve
* Redesign event information to support arbitrary edge combining.
*
* Revision 1.28 2001/03/31 17:36:39 steve
* Generate vvp code for case statements.
*
* Revision 1.27 2001/03/30 05:49:52 steve
* Generate code for fork/join statements.
*
* Revision 1.26 2001/03/29 02:52:39 steve
* Add unary ~ operator to tgt-vvp.
*
* Revision 1.25 2001/03/28 06:07:39 steve
* Add the ivl_event_t to ivl_target, and use that to generate
* .event statements in vvp way ahead of the thread that uses it.
*
* Revision 1.24 2001/03/27 06:27:40 steve
* Generate code for simple @ statements.
*
* Revision 1.23 2001/03/27 03:31:06 steve
* Support error code from target_t::end_design method.
*
* Revision 1.22 2001/03/20 01:44:14 steve
* Put processes in the proper scope.
*
* Revision 1.21 2001/01/15 00:47:02 steve
* Pass scope type information to the target module.
*
* Revision 1.20 2000/12/15 05:45:25 steve
* Autoconfigure the dlopen functions.
*
* Revision 1.19 2000/12/05 06:29:33 steve
* Make signal attributes available to ivl_target API.
*
* Revision 1.18 2000/11/11 00:03:36 steve
* Add support for the t-dll backend grabing flip-flops.
*
* Revision 1.17 2000/10/28 22:32:34 steve
* API for concatenation expressions.
*
* Revision 1.16 2000/10/28 17:55:03 steve
* stub for the concat operator.
*
* Revision 1.15 2000/10/21 16:49:45 steve
* Reduce the target entry points to the target_design.
*
* Revision 1.14 2000/10/18 20:04:39 steve
* Add ivl_lval_t and support for assignment l-values.
*
* Revision 1.13 2000/10/15 04:46:23 steve
* Scopes and processes are accessible randomly from
* the design, and signals and logic are accessible
* from scopes. Remove the target calls that are no
* longer needed.
*
* Add the ivl_nexus_ptr_t and the means to get at
* them from nexus objects.
*
* Give names to methods that manipulate the ivl_design_t
* type more consistent names.
*
* Revision 1.12 2000/10/13 03:39:27 steve
* Include constants in nexus targets.
*
* Revision 1.11 2000/10/08 04:01:55 steve
* Back pointers in the nexus objects into the devices
* that point to it.
*
* Collect threads into a list in the design.
*
* Revision 1.10 2000/10/07 19:45:43 steve
* Put logic devices into scopes.
*
* Revision 1.9 2000/10/06 23:46:51 steve
* ivl_target updates, including more complete
* handling of ivl_nexus_t objects. Much reduced
* dependencies on pointers to netlist objects.
*
* Revision 1.8 2000/10/05 05:03:01 steve
* xor and constant devices.
*
* Revision 1.7 2000/09/30 02:18:15 steve
* ivl_expr_t support for binary operators,
* Create a proper ivl_scope_t object.
*
* Revision 1.6 2000/09/26 00:30:07 steve
* Add EX_NUMBER and ST_TRIGGER to dll-api.
*
* Revision 1.5 2000/09/24 02:21:53 steve
* Add support for signal expressions.
*
* Revision 1.4 2000/09/23 05:15:07 steve
* Add enough tgt-verilog code to support hello world.
*
* Revision 1.3 2000/09/22 03:58:30 steve
* Access to the name of a system task call.
*
* Revision 1.2 2000/09/19 04:15:27 steve
* Introduce the means to get statement types.
*
* Revision 1.1 2000/09/18 01:24:32 steve
* Get the structure for ivl_statement_t worked out.
*
*/
#endif