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Changed backend-api from FILE to std::ostream

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This commit is contained in:
Clifford Wolf 2014-08-23 13:54:21 +02:00
parent fff12c719f
commit 5dce303a2a
16 changed files with 710 additions and 725 deletions
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460
backends/verilog/verilog_backend.cc
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@ -150,7 +150,7 @@ bool is_reg_wire(RTLIL::SigSpec sig, std::string &reg_name)
return true;
}
void dump_const(FILE *f, const RTLIL::Const &data, int width = -1, int offset = 0, bool no_decimal = false, bool set_signed = false)
void dump_const(std::ostream &f, const RTLIL::Const &data, int width = -1, int offset = 0, bool no_decimal = false, bool set_signed = false)
{
if (width < 0)
width = data.bits.size() - offset;
@ -166,112 +166,112 @@ void dump_const(FILE *f, const RTLIL::Const &data, int width = -1, int offset =
if (data.bits[i] == RTLIL::S1)
val |= 1 << (i - offset);
}
fprintf(f, "32'%sd%d", set_signed ? "s" : "", val);
f << stringf("32'%sd%d", set_signed ? "s" : "", val);
} else {
dump_bits:
fprintf(f, "%d'%sb", width, set_signed ? "s" : "");
f << stringf("%d'%sb", width, set_signed ? "s" : "");
if (width == 0)
fprintf(f, "0");
f << stringf("0");
for (int i = offset+width-1; i >= offset; i--) {
log_assert(i < (int)data.bits.size());
switch (data.bits[i]) {
case RTLIL::S0: fprintf(f, "0"); break;
case RTLIL::S1: fprintf(f, "1"); break;
case RTLIL::Sx: fprintf(f, "x"); break;
case RTLIL::Sz: fprintf(f, "z"); break;
case RTLIL::Sa: fprintf(f, "z"); break;
case RTLIL::S0: f << stringf("0"); break;
case RTLIL::S1: f << stringf("1"); break;
case RTLIL::Sx: f << stringf("x"); break;
case RTLIL::Sz: f << stringf("z"); break;
case RTLIL::Sa: f << stringf("z"); break;
case RTLIL::Sm: log_error("Found marker state in final netlist.");
}
}
}
} else {
fprintf(f, "\"");
f << stringf("\"");
std::string str = data.decode_string();
for (size_t i = 0; i < str.size(); i++) {
if (str[i] == '\n')
fprintf(f, "\\n");
f << stringf("\\n");
else if (str[i] == '\t')
fprintf(f, "\\t");
f << stringf("\\t");
else if (str[i] < 32)
fprintf(f, "\\%03o", str[i]);
f << stringf("\\%03o", str[i]);
else if (str[i] == '"')
fprintf(f, "\\\"");
f << stringf("\\\"");
else if (str[i] == '\\')
fprintf(f, "\\\\");
f << stringf("\\\\");
else
fputc(str[i], f);
f << str[i];
}
fprintf(f, "\"");
f << stringf("\"");
}
}
void dump_sigchunk(FILE *f, const RTLIL::SigChunk &chunk, bool no_decimal = false)
void dump_sigchunk(std::ostream &f, const RTLIL::SigChunk &chunk, bool no_decimal = false)
{
if (chunk.wire == NULL) {
dump_const(f, chunk.data, chunk.width, chunk.offset, no_decimal);
} else {
if (chunk.width == chunk.wire->width && chunk.offset == 0) {
fprintf(f, "%s", id(chunk.wire->name).c_str());
f << stringf("%s", id(chunk.wire->name).c_str());
} else if (chunk.width == 1) {
if (chunk.wire->upto)
fprintf(f, "%s[%d]", id(chunk.wire->name).c_str(), (chunk.wire->width - chunk.offset - 1) + chunk.wire->start_offset);
f << stringf("%s[%d]", id(chunk.wire->name).c_str(), (chunk.wire->width - chunk.offset - 1) + chunk.wire->start_offset);
else
fprintf(f, "%s[%d]", id(chunk.wire->name).c_str(), chunk.offset + chunk.wire->start_offset);
f << stringf("%s[%d]", id(chunk.wire->name).c_str(), chunk.offset + chunk.wire->start_offset);
} else {
if (chunk.wire->upto)
fprintf(f, "%s[%d:%d]", id(chunk.wire->name).c_str(),
f << stringf("%s[%d:%d]", id(chunk.wire->name).c_str(),
(chunk.wire->width - (chunk.offset + chunk.width - 1) - 1) + chunk.wire->start_offset,
(chunk.wire->width - chunk.offset - 1) + chunk.wire->start_offset);
else
fprintf(f, "%s[%d:%d]", id(chunk.wire->name).c_str(),
f << stringf("%s[%d:%d]", id(chunk.wire->name).c_str(),
(chunk.offset + chunk.width - 1) + chunk.wire->start_offset,
chunk.offset + chunk.wire->start_offset);
}
}
}
void dump_sigspec(FILE *f, const RTLIL::SigSpec &sig)
void dump_sigspec(std::ostream &f, const RTLIL::SigSpec &sig)
{
if (sig.is_chunk()) {
dump_sigchunk(f, sig.as_chunk());
} else {
fprintf(f, "{ ");
f << stringf("{ ");
for (auto it = sig.chunks().rbegin(); it != sig.chunks().rend(); it++) {
if (it != sig.chunks().rbegin())
fprintf(f, ", ");
f << stringf(", ");
dump_sigchunk(f, *it, true);
}
fprintf(f, " }");
f << stringf(" }");
}
}
void dump_attributes(FILE *f, std::string indent, std::map<RTLIL::IdString, RTLIL::Const> &attributes, char term = '\n')
void dump_attributes(std::ostream &f, std::string indent, std::map<RTLIL::IdString, RTLIL::Const> &attributes, char term = '\n')
{
if (noattr)
return;
for (auto it = attributes.begin(); it != attributes.end(); it++) {
fprintf(f, "%s" "%s %s", indent.c_str(), attr2comment ? "/*" : "(*", id(it->first).c_str());
fprintf(f, " = ");
f << stringf("%s" "%s %s", indent.c_str(), attr2comment ? "/*" : "(*", id(it->first).c_str());
f << stringf(" = ");
dump_const(f, it->second);
fprintf(f, " %s%c", attr2comment ? "*/" : "*)", term);
f << stringf(" %s%c", attr2comment ? "*/" : "*)", term);
}
}
void dump_wire(FILE *f, std::string indent, RTLIL::Wire *wire)
void dump_wire(std::ostream &f, std::string indent, RTLIL::Wire *wire)
{
dump_attributes(f, indent, wire->attributes);
#if 0
if (wire->port_input && !wire->port_output)
fprintf(f, "%s" "input %s", indent.c_str(), reg_wires.count(wire->name) ? "reg " : "");
f << stringf("%s" "input %s", indent.c_str(), reg_wires.count(wire->name) ? "reg " : "");
else if (!wire->port_input && wire->port_output)
fprintf(f, "%s" "output %s", indent.c_str(), reg_wires.count(wire->name) ? "reg " : "");
f << stringf("%s" "output %s", indent.c_str(), reg_wires.count(wire->name) ? "reg " : "");
else if (wire->port_input && wire->port_output)
fprintf(f, "%s" "inout %s", indent.c_str(), reg_wires.count(wire->name) ? "reg " : "");
f << stringf("%s" "inout %s", indent.c_str(), reg_wires.count(wire->name) ? "reg " : "");
else
fprintf(f, "%s" "%s ", indent.c_str(), reg_wires.count(wire->name) ? "reg" : "wire");
f << stringf("%s" "%s ", indent.c_str(), reg_wires.count(wire->name) ? "reg" : "wire");
if (wire->width != 1)
fprintf(f, "[%d:%d] ", wire->width - 1 + wire->start_offset, wire->start_offset);
fprintf(f, "%s;\n", id(wire->name).c_str());
f << stringf("[%d:%d] ", wire->width - 1 + wire->start_offset, wire->start_offset);
f << stringf("%s;\n", id(wire->name).c_str());
#else
// do not use Verilog-2k "outut reg" syntax in verilog export
std::string range = "";
@ -282,30 +282,30 @@ void dump_wire(FILE *f, std::string indent, RTLIL::Wire *wire)
range = stringf(" [%d:%d]", wire->width - 1 + wire->start_offset, wire->start_offset);
}
if (wire->port_input && !wire->port_output)
fprintf(f, "%s" "input%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str());
f << stringf("%s" "input%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str());
if (!wire->port_input && wire->port_output)
fprintf(f, "%s" "output%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str());
f << stringf("%s" "output%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str());
if (wire->port_input && wire->port_output)
fprintf(f, "%s" "inout%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str());
f << stringf("%s" "inout%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str());
if (reg_wires.count(wire->name))
fprintf(f, "%s" "reg%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str());
f << stringf("%s" "reg%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str());
else if (!wire->port_input && !wire->port_output)
fprintf(f, "%s" "wire%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str());
f << stringf("%s" "wire%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str());
#endif
}
void dump_memory(FILE *f, std::string indent, RTLIL::Memory *memory)
void dump_memory(std::ostream &f, std::string indent, RTLIL::Memory *memory)
{
dump_attributes(f, indent, memory->attributes);
fprintf(f, "%s" "reg [%d:0] %s [%d:0];\n", indent.c_str(), memory->width-1, id(memory->name).c_str(), memory->size-1);
f << stringf("%s" "reg [%d:0] %s [%d:0];\n", indent.c_str(), memory->width-1, id(memory->name).c_str(), memory->size-1);
}
void dump_cell_expr_port(FILE *f, RTLIL::Cell *cell, std::string port, bool gen_signed = true)
void dump_cell_expr_port(std::ostream &f, RTLIL::Cell *cell, std::string port, bool gen_signed = true)
{
if (gen_signed && cell->parameters.count("\\" + port + "_SIGNED") > 0 && cell->parameters["\\" + port + "_SIGNED"].as_bool()) {
fprintf(f, "$signed(");
f << stringf("$signed(");
dump_sigspec(f, cell->getPort("\\" + port));
fprintf(f, ")");
f << stringf(")");
} else
dump_sigspec(f, cell->getPort("\\" + port));
}
@ -346,107 +346,107 @@ no_special_reg_name:
}
}
void dump_cell_expr_uniop(FILE *f, std::string indent, RTLIL::Cell *cell, std::string op)
void dump_cell_expr_uniop(std::ostream &f, std::string indent, RTLIL::Cell *cell, std::string op)
{
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = %s ", op.c_str());
f << stringf(" = %s ", op.c_str());
dump_attributes(f, "", cell->attributes, ' ');
dump_cell_expr_port(f, cell, "A", true);
fprintf(f, ";\n");
f << stringf(";\n");
}
void dump_cell_expr_binop(FILE *f, std::string indent, RTLIL::Cell *cell, std::string op)
void dump_cell_expr_binop(std::ostream &f, std::string indent, RTLIL::Cell *cell, std::string op)
{
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = ");
f << stringf(" = ");
dump_cell_expr_port(f, cell, "A", true);
fprintf(f, " %s ", op.c_str());
f << stringf(" %s ", op.c_str());
dump_attributes(f, "", cell->attributes, ' ');
dump_cell_expr_port(f, cell, "B", true);
fprintf(f, ";\n");
f << stringf(";\n");
}
bool dump_cell_expr(FILE *f, std::string indent, RTLIL::Cell *cell)
bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell)
{
if (cell->type == "$_NOT_") {
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = ");
fprintf(f, "~");
f << stringf(" = ");
f << stringf("~");
dump_attributes(f, "", cell->attributes, ' ');
dump_cell_expr_port(f, cell, "A", false);
fprintf(f, ";\n");
f << stringf(";\n");
return true;
}
if (cell->type.in("$_AND_", "$_NAND_", "$_OR_", "$_NOR_", "$_XOR_", "$_XNOR_")) {
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = ");
f << stringf(" = ");
if (cell->type.in("$_NAND_", "$_NOR_", "$_XNOR_"))
fprintf(f, "~(");
f << stringf("~(");
dump_cell_expr_port(f, cell, "A", false);
fprintf(f, " ");
f << stringf(" ");
if (cell->type.in("$_AND_", "$_NAND_"))
fprintf(f, "&");
f << stringf("&");
if (cell->type.in("$_OR_", "$_NOR_"))
fprintf(f, "|");
f << stringf("|");
if (cell->type.in("$_XOR_", "$_XNOR_"))
fprintf(f, "^");
f << stringf("^");
dump_attributes(f, "", cell->attributes, ' ');
fprintf(f, " ");
f << stringf(" ");
dump_cell_expr_port(f, cell, "B", false);
if (cell->type.in("$_NAND_", "$_NOR_", "$_XNOR_"))
fprintf(f, ")");
fprintf(f, ";\n");
f << stringf(")");
f << stringf(";\n");
return true;
}
if (cell->type == "$_MUX_") {
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = ");
f << stringf(" = ");
dump_cell_expr_port(f, cell, "S", false);
fprintf(f, " ? ");
f << stringf(" ? ");
dump_attributes(f, "", cell->attributes, ' ');
dump_cell_expr_port(f, cell, "B", false);
fprintf(f, " : ");
f << stringf(" : ");
dump_cell_expr_port(f, cell, "A", false);
fprintf(f, ";\n");
f << stringf(";\n");
return true;
}
if (cell->type.in("$_AOI3_", "$_OAI3_")) {
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = ~((");
f << stringf(" = ~((");
dump_cell_expr_port(f, cell, "A", false);
fprintf(f, cell->type == "$_AOI3_" ? " & " : " | ");
f << stringf(cell->type == "$_AOI3_" ? " & " : " | ");
dump_cell_expr_port(f, cell, "B", false);
fprintf(f, cell->type == "$_AOI3_" ? ") |" : ") &");
f << stringf(cell->type == "$_AOI3_" ? ") |" : ") &");
dump_attributes(f, "", cell->attributes, ' ');
fprintf(f, " ");
f << stringf(" ");
dump_cell_expr_port(f, cell, "C", false);
fprintf(f, ");\n");
f << stringf(");\n");
return true;
}
if (cell->type.in("$_AOI4_", "$_OAI4_")) {
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = ~((");
f << stringf(" = ~((");
dump_cell_expr_port(f, cell, "A", false);
fprintf(f, cell->type == "$_AOI4_" ? " & " : " | ");
f << stringf(cell->type == "$_AOI4_" ? " & " : " | ");
dump_cell_expr_port(f, cell, "B", false);
fprintf(f, cell->type == "$_AOI4_" ? ") |" : ") &");
f << stringf(cell->type == "$_AOI4_" ? ") |" : ") &");
dump_attributes(f, "", cell->attributes, ' ');
fprintf(f, " (");
f << stringf(" (");
dump_cell_expr_port(f, cell, "C", false);
fprintf(f, cell->type == "$_AOI4_" ? " & " : " | ");
f << stringf(cell->type == "$_AOI4_" ? " & " : " | ");
dump_cell_expr_port(f, cell, "D", false);
fprintf(f, "));\n");
f << stringf("));\n");
return true;
}
@ -456,33 +456,33 @@ bool dump_cell_expr(FILE *f, std::string indent, RTLIL::Cell *cell)
bool out_is_reg_wire = is_reg_wire(cell->getPort("\\Q"), reg_name);
if (!out_is_reg_wire)
fprintf(f, "%s" "reg %s;\n", indent.c_str(), reg_name.c_str());
f << stringf("%s" "reg %s;\n", indent.c_str(), reg_name.c_str());
dump_attributes(f, indent, cell->attributes);
fprintf(f, "%s" "always @(%sedge ", indent.c_str(), cell->type[6] == 'P' ? "pos" : "neg");
f << stringf("%s" "always @(%sedge ", indent.c_str(), cell->type[6] == 'P' ? "pos" : "neg");
dump_sigspec(f, cell->getPort("\\C"));
if (cell->type[7] != '_') {
fprintf(f, " or %sedge ", cell->type[7] == 'P' ? "pos" : "neg");
f << stringf(" or %sedge ", cell->type[7] == 'P' ? "pos" : "neg");
dump_sigspec(f, cell->getPort("\\R"));
}
fprintf(f, ")\n");
f << stringf(")\n");
if (cell->type[7] != '_') {
fprintf(f, "%s" " if (%s", indent.c_str(), cell->type[7] == 'P' ? "" : "!");
f << stringf("%s" " if (%s", indent.c_str(), cell->type[7] == 'P' ? "" : "!");
dump_sigspec(f, cell->getPort("\\R"));
fprintf(f, ")\n");
fprintf(f, "%s" " %s <= %c;\n", indent.c_str(), reg_name.c_str(), cell->type[8]);
fprintf(f, "%s" " else\n", indent.c_str());
f << stringf(")\n");
f << stringf("%s" " %s <= %c;\n", indent.c_str(), reg_name.c_str(), cell->type[8]);
f << stringf("%s" " else\n", indent.c_str());
}
fprintf(f, "%s" " %s <= ", indent.c_str(), reg_name.c_str());
f << stringf("%s" " %s <= ", indent.c_str(), reg_name.c_str());
dump_cell_expr_port(f, cell, "D", false);
fprintf(f, ";\n");
f << stringf(";\n");
if (!out_is_reg_wire) {
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Q"));
fprintf(f, " = %s;\n", reg_name.c_str());
f << stringf(" = %s;\n", reg_name.c_str());
}
return true;
@ -496,36 +496,36 @@ bool dump_cell_expr(FILE *f, std::string indent, RTLIL::Cell *cell)
bool out_is_reg_wire = is_reg_wire(cell->getPort("\\Q"), reg_name);
if (!out_is_reg_wire)
fprintf(f, "%s" "reg %s;\n", indent.c_str(), reg_name.c_str());
f << stringf("%s" "reg %s;\n", indent.c_str(), reg_name.c_str());
dump_attributes(f, indent, cell->attributes);
fprintf(f, "%s" "always @(%sedge ", indent.c_str(), pol_c == 'P' ? "pos" : "neg");
f << stringf("%s" "always @(%sedge ", indent.c_str(), pol_c == 'P' ? "pos" : "neg");
dump_sigspec(f, cell->getPort("\\C"));
fprintf(f, " or %sedge ", pol_s == 'P' ? "pos" : "neg");
f << stringf(" or %sedge ", pol_s == 'P' ? "pos" : "neg");
dump_sigspec(f, cell->getPort("\\S"));
fprintf(f, " or %sedge ", pol_r == 'P' ? "pos" : "neg");
f << stringf(" or %sedge ", pol_r == 'P' ? "pos" : "neg");
dump_sigspec(f, cell->getPort("\\R"));
fprintf(f, ")\n");
f << stringf(")\n");
fprintf(f, "%s" " if (%s", indent.c_str(), pol_r == 'P' ? "" : "!");
f << stringf("%s" " if (%s", indent.c_str(), pol_r == 'P' ? "" : "!");
dump_sigspec(f, cell->getPort("\\R"));
fprintf(f, ")\n");
fprintf(f, "%s" " %s <= 0;\n", indent.c_str(), reg_name.c_str());
f << stringf(")\n");
f << stringf("%s" " %s <= 0;\n", indent.c_str(), reg_name.c_str());
fprintf(f, "%s" " else if (%s", indent.c_str(), pol_s == 'P' ? "" : "!");
f << stringf("%s" " else if (%s", indent.c_str(), pol_s == 'P' ? "" : "!");
dump_sigspec(f, cell->getPort("\\S"));
fprintf(f, ")\n");
fprintf(f, "%s" " %s <= 1;\n", indent.c_str(), reg_name.c_str());
f << stringf(")\n");
f << stringf("%s" " %s <= 1;\n", indent.c_str(), reg_name.c_str());
fprintf(f, "%s" " else\n", indent.c_str());
fprintf(f, "%s" " %s <= ", indent.c_str(), reg_name.c_str());
f << stringf("%s" " else\n", indent.c_str());
f << stringf("%s" " %s <= ", indent.c_str(), reg_name.c_str());
dump_cell_expr_port(f, cell, "D", false);
fprintf(f, ";\n");
f << stringf(";\n");
if (!out_is_reg_wire) {
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Q"));
fprintf(f, " = %s;\n", reg_name.c_str());
f << stringf(" = %s;\n", reg_name.c_str());
}
return true;
@ -581,16 +581,16 @@ bool dump_cell_expr(FILE *f, std::string indent, RTLIL::Cell *cell)
if (cell->type == "$mux")
{
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = ");
f << stringf(" = ");
dump_sigspec(f, cell->getPort("\\S"));
fprintf(f, " ? ");
f << stringf(" ? ");
dump_attributes(f, "", cell->attributes, ' ');
dump_sigspec(f, cell->getPort("\\B"));
fprintf(f, " : ");
f << stringf(" : ");
dump_sigspec(f, cell->getPort("\\A"));
fprintf(f, ";\n");
f << stringf(";\n");
return true;
}
@ -600,82 +600,82 @@ bool dump_cell_expr(FILE *f, std::string indent, RTLIL::Cell *cell)
int s_width = cell->getPort("\\S").size();
std::string func_name = cellname(cell);
fprintf(f, "%s" "function [%d:0] %s;\n", indent.c_str(), width-1, func_name.c_str());
fprintf(f, "%s" " input [%d:0] a;\n", indent.c_str(), width-1);
fprintf(f, "%s" " input [%d:0] b;\n", indent.c_str(), s_width*width-1);
fprintf(f, "%s" " input [%d:0] s;\n", indent.c_str(), s_width-1);
f << stringf("%s" "function [%d:0] %s;\n", indent.c_str(), width-1, func_name.c_str());
f << stringf("%s" " input [%d:0] a;\n", indent.c_str(), width-1);
f << stringf("%s" " input [%d:0] b;\n", indent.c_str(), s_width*width-1);
f << stringf("%s" " input [%d:0] s;\n", indent.c_str(), s_width-1);
dump_attributes(f, indent + " ", cell->attributes);
if (cell->type != "$pmux_safe" && !noattr)
fprintf(f, "%s" " (* parallel_case *)\n", indent.c_str());
fprintf(f, "%s" " casez (s)", indent.c_str());
f << stringf("%s" " (* parallel_case *)\n", indent.c_str());
f << stringf("%s" " casez (s)", indent.c_str());
if (cell->type != "$pmux_safe")
fprintf(f, noattr ? " // synopsys parallel_case\n" : "\n");
f << stringf(noattr ? " // synopsys parallel_case\n" : "\n");
for (int i = 0; i < s_width; i++)
{
fprintf(f, "%s" " %d'b", indent.c_str(), s_width);
f << stringf("%s" " %d'b", indent.c_str(), s_width);
for (int j = s_width-1; j >= 0; j--)
fprintf(f, "%c", j == i ? '1' : cell->type == "$pmux_safe" ? '0' : '?');
f << stringf("%c", j == i ? '1' : cell->type == "$pmux_safe" ? '0' : '?');
fprintf(f, ":\n");
fprintf(f, "%s" " %s = b[%d:%d];\n", indent.c_str(), func_name.c_str(), (i+1)*width-1, i*width);
f << stringf(":\n");
f << stringf("%s" " %s = b[%d:%d];\n", indent.c_str(), func_name.c_str(), (i+1)*width-1, i*width);
}
fprintf(f, "%s" " default:\n", indent.c_str());
fprintf(f, "%s" " %s = a;\n", indent.c_str(), func_name.c_str());
f << stringf("%s" " default:\n", indent.c_str());
f << stringf("%s" " %s = a;\n", indent.c_str(), func_name.c_str());
fprintf(f, "%s" " endcase\n", indent.c_str());
fprintf(f, "%s" "endfunction\n", indent.c_str());
f << stringf("%s" " endcase\n", indent.c_str());
f << stringf("%s" "endfunction\n", indent.c_str());
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = %s(", func_name.c_str());
f << stringf(" = %s(", func_name.c_str());
dump_sigspec(f, cell->getPort("\\A"));
fprintf(f, ", ");
f << stringf(", ");
dump_sigspec(f, cell->getPort("\\B"));
fprintf(f, ", ");
f << stringf(", ");
dump_sigspec(f, cell->getPort("\\S"));
fprintf(f, ");\n");
f << stringf(");\n");
return true;
}
if (cell->type == "$slice")
{
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = ");
f << stringf(" = ");
dump_sigspec(f, cell->getPort("\\A"));
fprintf(f, " >> %d;\n", cell->parameters.at("\\OFFSET").as_int());
f << stringf(" >> %d;\n", cell->parameters.at("\\OFFSET").as_int());
return true;
}
if (cell->type == "$bu0")
{
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
if (cell->parameters["\\A_SIGNED"].as_bool()) {
fprintf(f, " = $signed(");
f << stringf(" = $signed(");
dump_sigspec(f, cell->getPort("\\A"));
fprintf(f, ");\n");
f << stringf(");\n");
} else {
fprintf(f, " = { 1'b0, ");
f << stringf(" = { 1'b0, ");
dump_sigspec(f, cell->getPort("\\A"));
fprintf(f, " };\n");
f << stringf(" };\n");
}
return true;
}
if (cell->type == "$concat")
{
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
fprintf(f, " = { ");
f << stringf(" = { ");
dump_sigspec(f, cell->getPort("\\B"));
fprintf(f, " , ");
f << stringf(" , ");
dump_sigspec(f, cell->getPort("\\A"));
fprintf(f, " };\n");
f << stringf(" };\n");
return true;
}
@ -697,34 +697,34 @@ bool dump_cell_expr(FILE *f, std::string indent, RTLIL::Cell *cell)
bool out_is_reg_wire = is_reg_wire(cell->getPort("\\Q"), reg_name);
if (!out_is_reg_wire)
fprintf(f, "%s" "reg [%d:0] %s;\n", indent.c_str(), cell->parameters["\\WIDTH"].as_int()-1, reg_name.c_str());
f << stringf("%s" "reg [%d:0] %s;\n", indent.c_str(), cell->parameters["\\WIDTH"].as_int()-1, reg_name.c_str());
fprintf(f, "%s" "always @(%sedge ", indent.c_str(), pol_clk ? "pos" : "neg");
f << stringf("%s" "always @(%sedge ", indent.c_str(), pol_clk ? "pos" : "neg");
dump_sigspec(f, sig_clk);
if (cell->type == "$adff") {
fprintf(f, " or %sedge ", pol_arst ? "pos" : "neg");
f << stringf(" or %sedge ", pol_arst ? "pos" : "neg");
dump_sigspec(f, sig_arst);
}
fprintf(f, ")\n");
f << stringf(")\n");
if (cell->type == "$adff") {
fprintf(f, "%s" " if (%s", indent.c_str(), pol_arst ? "" : "!");
f << stringf("%s" " if (%s", indent.c_str(), pol_arst ? "" : "!");
dump_sigspec(f, sig_arst);
fprintf(f, ")\n");
fprintf(f, "%s" " %s <= ", indent.c_str(), reg_name.c_str());
f << stringf(")\n");
f << stringf("%s" " %s <= ", indent.c_str(), reg_name.c_str());
dump_sigspec(f, val_arst);
fprintf(f, ";\n");
fprintf(f, "%s" " else\n", indent.c_str());
f << stringf(";\n");
f << stringf("%s" " else\n", indent.c_str());
}
fprintf(f, "%s" " %s <= ", indent.c_str(), reg_name.c_str());
f << stringf("%s" " %s <= ", indent.c_str(), reg_name.c_str());
dump_cell_expr_port(f, cell, "D", false);
fprintf(f, ";\n");
f << stringf(";\n");
if (!out_is_reg_wire) {
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Q"));
fprintf(f, " = %s;\n", reg_name.c_str());
f << stringf(" = %s;\n", reg_name.c_str());
}
return true;
@ -736,7 +736,7 @@ bool dump_cell_expr(FILE *f, std::string indent, RTLIL::Cell *cell)
return false;
}
void dump_cell(FILE *f, std::string indent, RTLIL::Cell *cell)
void dump_cell(std::ostream &f, std::string indent, RTLIL::Cell *cell)
{
if (cell->type[0] == '$' && !noexpr) {
if (dump_cell_expr(f, indent, cell))
@ -744,26 +744,26 @@ void dump_cell(FILE *f, std::string indent, RTLIL::Cell *cell)
}
dump_attributes(f, indent, cell->attributes);
fprintf(f, "%s" "%s", indent.c_str(), id(cell->type, false).c_str());
f << stringf("%s" "%s", indent.c_str(), id(cell->type, false).c_str());
if (cell->parameters.size() > 0) {
fprintf(f, " #(");
f << stringf(" #(");
for (auto it = cell->parameters.begin(); it != cell->parameters.end(); it++) {
if (it != cell->parameters.begin())
fprintf(f, ",");
fprintf(f, "\n%s .%s(", indent.c_str(), id(it->first).c_str());
f << stringf(",");
f << stringf("\n%s .%s(", indent.c_str(), id(it->first).c_str());
bool is_signed = (it->second.flags & RTLIL::CONST_FLAG_SIGNED) != 0;
dump_const(f, it->second, -1, 0, !is_signed, is_signed);
fprintf(f, ")");
f << stringf(")");
}
fprintf(f, "\n%s" ")", indent.c_str());
f << stringf("\n%s" ")", indent.c_str());
}
std::string cell_name = cellname(cell);
if (cell_name != id(cell->name))
fprintf(f, " %s /* %s */ (", cell_name.c_str(), id(cell->name).c_str());
f << stringf(" %s /* %s */ (", cell_name.c_str(), id(cell->name).c_str());
else
fprintf(f, " %s (", cell_name.c_str());
f << stringf(" %s (", cell_name.c_str());
bool first_arg = true;
std::set<RTLIL::IdString> numbered_ports;
@ -774,9 +774,9 @@ void dump_cell(FILE *f, std::string indent, RTLIL::Cell *cell)
if (it->first != str)
continue;
if (!first_arg)
fprintf(f, ",");
f << stringf(",");
first_arg = false;
fprintf(f, "\n%s ", indent.c_str());
f << stringf("\n%s ", indent.c_str());
dump_sigspec(f, it->second);
numbered_ports.insert(it->first);
goto found_numbered_port;
@ -788,86 +788,86 @@ void dump_cell(FILE *f, std::string indent, RTLIL::Cell *cell)
if (numbered_ports.count(it->first))
continue;
if (!first_arg)
fprintf(f, ",");
f << stringf(",");
first_arg = false;
fprintf(f, "\n%s .%s(", indent.c_str(), id(it->first).c_str());
f << stringf("\n%s .%s(", indent.c_str(), id(it->first).c_str());
if (it->second.size() > 0)
dump_sigspec(f, it->second);
fprintf(f, ")");
f << stringf(")");
}
fprintf(f, "\n%s" ");\n", indent.c_str());
f << stringf("\n%s" ");\n", indent.c_str());
}
void dump_conn(FILE *f, std::string indent, const RTLIL::SigSpec &left, const RTLIL::SigSpec &right)
void dump_conn(std::ostream &f, std::string indent, const RTLIL::SigSpec &left, const RTLIL::SigSpec &right)
{
fprintf(f, "%s" "assign ", indent.c_str());
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, left);
fprintf(f, " = ");
f << stringf(" = ");
dump_sigspec(f, right);
fprintf(f, ";\n");
f << stringf(";\n");
}
void dump_proc_switch(FILE *f, std::string indent, RTLIL::SwitchRule *sw);
void dump_proc_switch(std::ostream &f, std::string indent, RTLIL::SwitchRule *sw);
void dump_case_body(FILE *f, std::string indent, RTLIL::CaseRule *cs, bool omit_trailing_begin = false)
void dump_case_body(std::ostream &f, std::string indent, RTLIL::CaseRule *cs, bool omit_trailing_begin = false)
{
int number_of_stmts = cs->switches.size() + cs->actions.size();
if (!omit_trailing_begin && number_of_stmts >= 2)
fprintf(f, "%s" "begin\n", indent.c_str());
f << stringf("%s" "begin\n", indent.c_str());
for (auto it = cs->actions.begin(); it != cs->actions.end(); it++) {
if (it->first.size() == 0)
continue;
fprintf(f, "%s ", indent.c_str());
f << stringf("%s ", indent.c_str());
dump_sigspec(f, it->first);
fprintf(f, " = ");
f << stringf(" = ");
dump_sigspec(f, it->second);
fprintf(f, ";\n");
f << stringf(";\n");
}
for (auto it = cs->switches.begin(); it != cs->switches.end(); it++)
dump_proc_switch(f, indent + " ", *it);
if (!omit_trailing_begin && number_of_stmts == 0)
fprintf(f, "%s /* empty */;\n", indent.c_str());
f << stringf("%s /* empty */;\n", indent.c_str());
if (omit_trailing_begin || number_of_stmts >= 2)
fprintf(f, "%s" "end\n", indent.c_str());
f << stringf("%s" "end\n", indent.c_str());
}
void dump_proc_switch(FILE *f, std::string indent, RTLIL::SwitchRule *sw)
void dump_proc_switch(std::ostream &f, std::string indent, RTLIL::SwitchRule *sw)
{
if (sw->signal.size() == 0) {
fprintf(f, "%s" "begin\n", indent.c_str());
f << stringf("%s" "begin\n", indent.c_str());
for (auto it = sw->cases.begin(); it != sw->cases.end(); it++) {
if ((*it)->compare.size() == 0)
dump_case_body(f, indent + " ", *it);
}
fprintf(f, "%s" "end\n", indent.c_str());
f << stringf("%s" "end\n", indent.c_str());
return;
}
fprintf(f, "%s" "casez (", indent.c_str());
f << stringf("%s" "casez (", indent.c_str());
dump_sigspec(f, sw->signal);
fprintf(f, ")\n");
f << stringf(")\n");
for (auto it = sw->cases.begin(); it != sw->cases.end(); it++) {
fprintf(f, "%s ", indent.c_str());
f << stringf("%s ", indent.c_str());
if ((*it)->compare.size() == 0)
fprintf(f, "default");
f << stringf("default");
else {
for (size_t i = 0; i < (*it)->compare.size(); i++) {
if (i > 0)
fprintf(f, ", ");
f << stringf(", ");
dump_sigspec(f, (*it)->compare[i]);
}
}
fprintf(f, ":\n");
f << stringf(":\n");
dump_case_body(f, indent + " ", *it);
}
fprintf(f, "%s" "endcase\n", indent.c_str());
f << stringf("%s" "endcase\n", indent.c_str());
}
void case_body_find_regs(RTLIL::CaseRule *cs)
@ -883,7 +883,7 @@ void case_body_find_regs(RTLIL::CaseRule *cs)
}
}
void dump_process(FILE *f, std::string indent, RTLIL::Process *proc, bool find_regs = false)
void dump_process(std::ostream &f, std::string indent, RTLIL::Process *proc, bool find_regs = false)
{
if (find_regs) {
case_body_find_regs(&proc->root_case);
@ -896,7 +896,7 @@ void dump_process(FILE *f, std::string indent, RTLIL::Process *proc, bool find_r
return;
}
fprintf(f, "%s" "always @* begin\n", indent.c_str());
f << stringf("%s" "always @* begin\n", indent.c_str());
dump_case_body(f, indent, &proc->root_case, true);
std::string backup_indent = indent;
@ -907,23 +907,23 @@ void dump_process(FILE *f, std::string indent, RTLIL::Process *proc, bool find_r
indent = backup_indent;
if (sync->type == RTLIL::STa) {
fprintf(f, "%s" "always @* begin\n", indent.c_str());
f << stringf("%s" "always @* begin\n", indent.c_str());
} else {
fprintf(f, "%s" "always @(", indent.c_str());
f << stringf("%s" "always @(", indent.c_str());
if (sync->type == RTLIL::STp || sync->type == RTLIL::ST1)
fprintf(f, "posedge ");
f << stringf("posedge ");
if (sync->type == RTLIL::STn || sync->type == RTLIL::ST0)
fprintf(f, "negedge ");
f << stringf("negedge ");
dump_sigspec(f, sync->signal);
fprintf(f, ") begin\n");
f << stringf(") begin\n");
}
std::string ends = indent + "end\n";
indent += " ";
if (sync->type == RTLIL::ST0 || sync->type == RTLIL::ST1) {
fprintf(f, "%s" "if (%s", indent.c_str(), sync->type == RTLIL::ST0 ? "!" : "");
f << stringf("%s" "if (%s", indent.c_str(), sync->type == RTLIL::ST0 ? "!" : "");
dump_sigspec(f, sync->signal);
fprintf(f, ") begin\n");
f << stringf(") begin\n");
ends = indent + "end\n" + ends;
indent += " ";
}
@ -932,9 +932,9 @@ void dump_process(FILE *f, std::string indent, RTLIL::Process *proc, bool find_r
for (size_t j = 0; j < proc->syncs.size(); j++) {
RTLIL::SyncRule *sync2 = proc->syncs[j];
if (sync2->type == RTLIL::ST0 || sync2->type == RTLIL::ST1) {
fprintf(f, "%s" "if (%s", indent.c_str(), sync2->type == RTLIL::ST1 ? "!" : "");
f << stringf("%s" "if (%s", indent.c_str(), sync2->type == RTLIL::ST1 ? "!" : "");
dump_sigspec(f, sync2->signal);
fprintf(f, ") begin\n");
f << stringf(") begin\n");
ends = indent + "end\n" + ends;
indent += " ";
}
@ -944,24 +944,24 @@ void dump_process(FILE *f, std::string indent, RTLIL::Process *proc, bool find_r
for (auto it = sync->actions.begin(); it != sync->actions.end(); it++) {
if (it->first.size() == 0)
continue;
fprintf(f, "%s ", indent.c_str());
f << stringf("%s ", indent.c_str());
dump_sigspec(f, it->first);
fprintf(f, " <= ");
f << stringf(" <= ");
dump_sigspec(f, it->second);
fprintf(f, ";\n");
f << stringf(";\n");
}
fprintf(f, "%s", ends.c_str());
f << stringf("%s", ends.c_str());
}
}
void dump_module(FILE *f, std::string indent, RTLIL::Module *module)
void dump_module(std::ostream &f, std::string indent, RTLIL::Module *module)
{
reg_wires.clear();
reset_auto_counter(module);
active_module = module;
fprintf(f, "\n");
f << stringf("\n");
for (auto it = module->processes.begin(); it != module->processes.end(); it++)
dump_process(f, indent + " ", it->second, true);
@ -995,7 +995,7 @@ void dump_module(FILE *f, std::string indent, RTLIL::Module *module)
}
dump_attributes(f, indent, module->attributes);
fprintf(f, "%s" "module %s(", indent.c_str(), id(module->name, false).c_str());
f << stringf("%s" "module %s(", indent.c_str(), id(module->name, false).c_str());
bool keep_running = true;
for (int port_id = 1; keep_running; port_id++) {
keep_running = false;
@ -1003,14 +1003,14 @@ void dump_module(FILE *f, std::string indent, RTLIL::Module *module)
RTLIL::Wire *wire = it->second;
if (wire->port_id == port_id) {
if (port_id != 1)
fprintf(f, ", ");
fprintf(f, "%s", id(wire->name).c_str());
f << stringf(", ");
f << stringf("%s", id(wire->name).c_str());
keep_running = true;
continue;
}
}
}
fprintf(f, ");\n");
f << stringf(");\n");
for (auto it = module->wires_.begin(); it != module->wires_.end(); it++)
dump_wire(f, indent + " ", it->second);
@ -1027,7 +1027,7 @@ void dump_module(FILE *f, std::string indent, RTLIL::Module *module)
for (auto it = module->connections().begin(); it != module->connections().end(); it++)
dump_conn(f, indent + " ", it->first, it->second);
fprintf(f, "%s" "endmodule\n", indent.c_str());
f << stringf("%s" "endmodule\n", indent.c_str());
active_module = NULL;
}
@ -1068,7 +1068,7 @@ struct VerilogBackend : public Backend {
log(" not at all.\n");
log("\n");
}
virtual void execute(FILE *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
virtual void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
{
log_header("Executing Verilog backend.\n");
@ -1137,7 +1137,7 @@ struct VerilogBackend : public Backend {
}
extra_args(f, filename, args, argidx);
fprintf(f, "/* Generated by %s */\n", yosys_version_str);
*f << stringf("/* Generated by %s */\n", yosys_version_str);
for (auto it = design->modules_.begin(); it != design->modules_.end(); it++) {
if (it->second->get_bool_attribute("\\blackbox") != blackboxes)
continue;
@ -1147,7 +1147,7 @@ struct VerilogBackend : public Backend {
continue;
}
log("Dumping module `%s'.\n", it->first.c_str());
dump_module(f, "", it->second);
dump_module(*f, "", it->second);
}
reg_ct.clear();

5
backends/verilog/verilog_backend.h
View file

@ -29,11 +29,10 @@
#ifndef VERILOG_BACKEND_H
#define VERILOG_BACKEND_H
#include "kernel/rtlil.h"
#include <stdio.h>
#include "kernel/yosys.h"
namespace VERILOG_BACKEND {
void verilog_backend(FILE *f, std::vector<std::string> args, RTLIL::Design *design);
void verilog_backend(std::ostream &f, std::vector<std::string> args, RTLIL::Design *design);
}
#endif