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Replaced sha1 implementation

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This commit is contained in:
Clifford Wolf 2014-08-01 19:01:10 +02:00
parent 1e224506be
commit bd74ed7da4
8 changed files with 334 additions and 283 deletions
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29
frontends/ast/ast.cc
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@ -979,10 +979,6 @@ RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdStrin
use_internal_line_num();
std::string para_info;
std::vector<unsigned char> hash_data;
hash_data.insert(hash_data.end(), stripped_name.begin(), stripped_name.end());
hash_data.push_back(0);
AstNode *new_ast = ast->clone();
int para_counter = 0;
@ -999,10 +995,6 @@ RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdStrin
para_info += stringf("%s=%s", child->str.c_str(), log_signal(RTLIL::SigSpec(parameters[para_id])));
delete child->children.at(0);
child->children[0] = AstNode::mkconst_bits(parameters[para_id].bits, (parameters[para_id].flags & RTLIL::CONST_FLAG_SIGNED) != 0);
hash_data.insert(hash_data.end(), child->str.begin(), child->str.end());
hash_data.push_back(0);
hash_data.insert(hash_data.end(), parameters[para_id].bits.begin(), parameters[para_id].bits.end());
hash_data.push_back(0xff);
parameters.erase(para_id);
continue;
}
@ -1018,28 +1010,11 @@ RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdStrin
std::string modname;
if (orig_parameters_n == 0)
{
modname = stripped_name;
}
else if (para_info.size() > 60)
modname = "$paramod$" + sha1(para_info) + stripped_name;
else
if (para_info.size() > 60)
{
unsigned char hash[20];
unsigned char *hash_data2 = new unsigned char[hash_data.size()];
for (size_t i = 0; i < hash_data.size(); i++)
hash_data2[i] = hash_data[i];
sha1::calc(hash_data2, hash_data.size(), hash);
delete[] hash_data2;
char hexstring[41];
sha1::toHexString(hash, hexstring);
modname = "$paramod$" + std::string(hexstring) + stripped_name;
}
else
{
modname = "$paramod" + stripped_name + para_info;
}
if (!design->has(modname)) {
new_ast->str = modname;