luke
/
iverilog
mirror of https://github.com/steveicarus/iverilog.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Get read width of unitialized memory words right.

This commit is contained in:
steve 2005-03-05 05:44:32 +00:00
parent 75af32bd3c
commit 73997f813c
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
vvp/memory.cc
View File

@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: memory.cc,v 1.23 2005/03/03 04:33:10 steve Exp $"
#ident "$Id: memory.cc,v 1.24 2005/03/05 05:44:32 steve Exp $"
#endif
#include "memory.h"
@ -178,6 +178,13 @@ vvp_vector4_t memory_get_word(vvp_memory_t mem, unsigned addr)
// XXXX For now, assume this can't happen
assert(addr <= mem->word_count);
if (mem->words[addr].size() == 0) {
vvp_vector4_t tmp (mem->width);
for (unsigned idx = 0 ; idx < mem->width ; idx += 1)
tmp.set_bit(idx, BIT4_X);
mem->words[addr] = tmp;
}
return mem->words[addr];
}
@ -186,6 +193,7 @@ void memory_init_word(vvp_memory_t mem, unsigned addr, vvp_vector4_t val)
if (addr >= mem->word_count)
return;
assert(val.size() == mem->width);
mem->words[addr] = val;
}
@ -518,6 +526,9 @@ static void run_mem_assign(vvp_gen_event_t obj, unsigned char val)
/*
* $Log: memory.cc,v $
* Revision 1.24 2005/03/05 05:44:32 steve
* Get read width of unitialized memory words right.
*
* Revision 1.23 2005/03/03 04:33:10 steve
* Rearrange how memories are supported as vvp_vector4 arrays.
*