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Disabled broken $mem support in verilog backend

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This commit is contained in:
Clifford Wolf 2015-05-10 21:38:41 +02:00
parent e47218e9ea
commit 9e56739634
1 changed files with 11 additions and 11 deletions
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22
backends/verilog/verilog_backend.cc
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@ -790,15 +790,15 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell)
return true; return true;
} }
if (cell->type == "$mem") if (cell->type == "$mem" && false) // FIXME!
{ {
RTLIL::IdString memid = cell->parameters["\\MEMID"].decode_string(); RTLIL::IdString memid = cell->parameters["\\MEMID"].decode_string();
std::string mem_id = id( cell->parameters["\\MEMID"].decode_string() ); std::string mem_id = id(cell->parameters["\\MEMID"].decode_string());
int abits = cell->parameters["\\ABITS"].as_int(); int abits = cell->parameters["\\ABITS"].as_int();
int size = cell->parameters["\\SIZE"].as_int(); int size = cell->parameters["\\SIZE"].as_int();
int width = cell->parameters["\\WIDTH"].as_int(); int width = cell->parameters["\\WIDTH"].as_int();
int offset = cell->parameters["\\OFFSET"].as_int(); int offset = cell->parameters["\\OFFSET"].as_int();
bool use_init = !(RTLIL::SigSpec( cell->parameters["\\INIT"] ).is_fully_undef()); bool use_init = !(RTLIL::SigSpec(cell->parameters["\\INIT"]).is_fully_undef());
// for memory block make something like: // for memory block make something like:
// reg [7:0] memid [3:0]; // reg [7:0] memid [3:0];
@ -849,8 +849,8 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell)
f << stringf(" <= %s[", mem_id.c_str()); f << stringf(" <= %s[", mem_id.c_str());
dump_sigspec(f, sig_rd_addr); dump_sigspec(f, sig_rd_addr);
f << stringf("];\n"); f << stringf("];\n");
}else{ } else {
if (rd_transparent){ if (rd_transparent) {
// for rd-transparent read-ports make something like: // for rd-transparent read-ports make something like:
// reg [..] new-id; // reg [..] new-id;
// always @(posedge clk) // always @(posedge clk)
@ -868,7 +868,7 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell)
f << stringf("%s" "assign ", indent.c_str()); f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, sig_rd_data); dump_sigspec(f, sig_rd_data);
f << stringf(" = %s[%s];\n", mem_id.c_str(), id(new_id).c_str()); f << stringf(" = %s[%s];\n", mem_id.c_str(), id(new_id).c_str());
}else{ } else {
// for non-clocked read-ports make something like: // for non-clocked read-ports make something like:
// assign r_data = array_reg[r_addr]; // assign r_data = array_reg[r_addr];
f << stringf("%s" "assign ", indent.c_str()); f << stringf("%s" "assign ", indent.c_str());
@ -905,12 +905,12 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell)
last_bit = sig_wr_en.extract(0); last_bit = sig_wr_en.extract(0);
lof_wen.append_bit(last_bit); lof_wen.append_bit(last_bit);
wen_to_width[last_bit] = 0; wen_to_width[last_bit] = 0;
for(int j=0; j<width; j++) for (int j=0; j<width; j++)
{ {
current_bit = sig_wr_en.extract(j); current_bit = sig_wr_en.extract(j);
if ( sigmap(current_bit) == sigmap(last_bit) ){ if (sigmap(current_bit) == sigmap(last_bit)){
wen_to_width[current_bit] += 1; wen_to_width[current_bit] += 1;
}else{ } else {
lof_wen.append_bit(current_bit); lof_wen.append_bit(current_bit);
wen_to_width[current_bit] = 1; wen_to_width[current_bit] = 1;
} }
@ -924,12 +924,12 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell)
n = 0; n = 0;
for (auto &wen_bit : lof_wen) { for (auto &wen_bit : lof_wen) {
wen_width = wen_to_width[wen_bit]; wen_width = wen_to_width[wen_bit];
if ( !(wen_bit == RTLIL::SigBit(false)) ) if (!(wen_bit == RTLIL::SigBit(false)))
{ {
f << stringf("%s" "always @(%sedge ", indent.c_str(), wr_clk_posedge ? "pos" : "neg"); f << stringf("%s" "always @(%sedge ", indent.c_str(), wr_clk_posedge ? "pos" : "neg");
dump_sigspec(f, sig_wr_clk); dump_sigspec(f, sig_wr_clk);
f << stringf(")\n"); f << stringf(")\n");
if ( !(wen_bit == RTLIL::SigBit(true)) ) if (!(wen_bit == RTLIL::SigBit(true)))
{ {
f << stringf("%s" " if (", indent.c_str()); f << stringf("%s" " if (", indent.c_str());
dump_sigspec(f, wen_bit); dump_sigspec(f, wen_bit);