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Fixed memory->start_offset handling

This commit is contained in:
Clifford Wolf 2015-01-01 12:56:01 +01:00
parent 17c1c55473
commit eefe78be09
3 changed files with 12 additions and 6 deletions
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2
backends/ilang/ilang_backend.cc
View File

@ -150,6 +150,8 @@ void ILANG_BACKEND::dump_memory(std::ostream &f, std::string indent, const RTLIL
f << stringf("width %d ", memory->width);
if (memory->size != 0)
f << stringf("size %d ", memory->size);
if (memory->start_offset != 0)
f << stringf("offset %d ", memory->start_offset);
f << stringf("%s\n", memory->name.c_str());
}

13
frontends/ast/genrtlil.cc
View File

@ -839,14 +839,15 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
memory->attributes["\\src"] = stringf("%s:%d", filename.c_str(), linenum);
memory->name = str;
memory->width = children[0]->range_left - children[0]->range_right + 1;
memory->start_offset = children[0]->range_right;
memory->size = children[1]->range_left - children[1]->range_right;
if (children[1]->range_right < children[1]->range_left) {
memory->start_offset = children[1]->range_right;
memory->size = children[1]->range_left - children[1]->range_right + 1;
} else {
memory->start_offset = children[1]->range_left;
memory->size = children[1]->range_right - children[1]->range_left + 1;
}
current_module->memories[memory->name] = memory;
if (memory->size < 0)
memory->size *= -1;
memory->size += std::min(children[1]->range_left, children[1]->range_right) + 1;
for (auto &attr : attributes) {
if (attr.second->type != AST_CONSTANT)
log_error("Attribute `%s' with non-constant value at %s:%d!\n",

3
frontends/ilang/ilang_parser.y
View File

@ -183,6 +183,9 @@ memory_options:
memory_options TOK_SIZE TOK_INT {
current_memory->size = $3;
} |
memory_options TOK_OFFSET TOK_INT {
current_memory->start_offset = $3;
} |
/* empty */;
cell_stmt: