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added $pmux cell translation

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This commit is contained in:
Ahmed Irfan 2014-09-02 14:47:51 +02:00
parent ac896c63e2
commit 2446b6fbef
1 changed files with 38 additions and 2 deletions
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40
backends/btor/btor.cc
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@ -638,7 +638,42 @@ struct BtorDumper
fprintf(f, "%s\n", str.c_str());
line_ref[cell->name]=line_num;
}
//registers
else if(cell->type == "$pmux")
{
log("writing pmux cell\n");
int output_width = cell->parameters.at(RTLIL::IdString("\\WIDTH")).as_int();
int select_width = cell->parameters.at(RTLIL::IdString("\\S_WIDTH")).as_int();
int default_case = dump_sigspec(&cell->connections.at(RTLIL::IdString("\\A")), output_width);
int cases = dump_sigspec(&cell->connections.at(RTLIL::IdString("\\B")), output_width*select_width);
int select = dump_sigspec(&cell->connections.at(RTLIL::IdString("\\S")), select_width);
int *c = new int[select_width];
for (int i=0; i<select_width; ++i)
{
++line_num;
str = stringf ("%d slice 1 %d %d %d", line_num, select, i, i);
fprintf(f, "%s\n", str.c_str());
c[i] = line_num;
++line_num;
str = stringf ("%d slice %d %d %d %d", line_num, output_width, cases, i*output_width+output_width-1,
i*output_width);
fprintf(f, "%s\n", str.c_str());
}
++line_num;
str = stringf ("%d cond 1 %d %d %d", line_num, c[select_width-1], c[select_width-1]+1, default_case);
fprintf(f, "%s\n", str.c_str());
for (int i=select_width-2; i>=0; --i)
{
++line_num;
str = stringf ("%d cond 1 %d %d %d", line_num, c[i], c[i]+1, line_num-1);
fprintf(f, "%s\n", str.c_str());
}
line_ref[cell->name]=line_num;
}
//registers
else if(cell->type == "$dff" || cell->type == "$adff" || cell->type == "$dffsr")
{
//TODO: remodelling fo adff cells
@ -767,7 +802,8 @@ struct BtorDumper
assert(output->width == output_width);
int offset = cell->parameters.at(RTLIL::IdString("\\OFFSET")).as_int();
++line_num;
str = stringf("%d %s %d %d %d %d", line_num, cell_type_translation.at(cell->type).c_str(), output_width, input_line, output_width+offset-1, offset);
str = stringf("%d %s %d %d %d %d", line_num, cell_type_translation.at(cell->type).c_str(),
output_width, input_line, output_width+offset-1, offset);
fprintf(f, "%s\n", str.c_str());
line_ref[cell->name]=line_num;
}