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Added first help messages for cell types

This commit is contained in:
Clifford Wolf 2015-10-14 16:27:42 +02:00
parent 3c31572152
commit 7d3a3a3173
6 changed files with 336 additions and 6 deletions
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1
.gitignore vendored
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@ -18,6 +18,7 @@
/yosys-abc
/yosys-abc.exe
/yosys-config
/yosys-smtbmc
/yosys-filterlib
/yosys-filterlib.exe
/kernel/version_*.cc

49
kernel/register.cc
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@ -534,14 +534,28 @@ void Backend::backend_call(RTLIL::Design *design, std::ostream *f, std::string f
design->check();
}
static struct CellHelpMessages {
dict<string, string> cell_help, cell_code;
CellHelpMessages() {
#include "techlibs/common/simlib_help.inc"
#include "techlibs/common/simcells_help.inc"
cell_help.sort();
cell_code.sort();
}
} cell_help_messages;
struct HelpPass : public Pass {
HelpPass() : Pass("help", "display help messages") { }
virtual void help()
{
log("\n");
log(" help ............. list all commands\n");
log(" help <command> ... print help message for given command\n");
log(" help -all ........ print complete command reference\n");
log(" help ................ list all commands\n");
log(" help <command> ...... print help message for given command\n");
log(" help -all ........... print complete command reference\n");
log("\n");
log(" help -cells .......... list all cell types\n");
log(" help <celltype> ..... print help message for given cell type\n");
log(" help <celltype>+ .... print verilog code for given cell type\n");
log("\n");
}
void escape_tex(std::string &tex)
@ -609,6 +623,7 @@ struct HelpPass : public Pass {
log(" %-20s %s\n", it.first.c_str(), it.second->short_help.c_str());
log("\n");
log("Type 'help <command>' for more information on a command.\n");
log("Type 'help -cells' for a list of all cell types.\n");
log("\n");
return;
}
@ -624,6 +639,18 @@ struct HelpPass : public Pass {
it.second->help();
}
}
else if (args[1] == "-cells") {
log("\n");
for (auto &it : cell_help_messages.cell_help) {
string line = split_tokens(it.second, "\n").at(0);
string cell_name = next_token(line);
log(" %-10s %s\n", cell_name.c_str(), line.c_str());
}
log("\n");
log("Type 'help <cell_type>' for more information on a cell type.\n");
log("\n");
return;
}
// this option is undocumented as it is for internal use only
else if (args[1] == "-write-tex-command-reference-manual") {
FILE *f = fopen("command-reference-manual.tex", "wt");
@ -649,10 +676,20 @@ struct HelpPass : public Pass {
}
fclose(f);
}
else if (pass_register.count(args[1]) == 0)
log("No such command: %s\n", args[1].c_str());
else
else if (pass_register.count(args[1])) {
pass_register.at(args[1])->help();
}
else if (cell_help_messages.cell_help.count(args[1])) {
log("%s", cell_help_messages.cell_help.at(args[1]).c_str());
log("Run 'help %s+' to display the Verilog model for this cell type.\n", args[1].c_str());
log("\n");
}
else if (cell_help_messages.cell_code.count(args[1])) {
log("\n");
log("%s", cell_help_messages.cell_code.at(args[1]).c_str());
}
else
log("No such command or cell type: %s\n", args[1].c_str());
return;
}

2
techlibs/common/.gitignore vendored Normal file
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@ -0,0 +1,2 @@
simlib_help.inc
simcells_help.inc

15
techlibs/common/Makefile.inc
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@ -3,6 +3,21 @@ ifneq ($(SMALL),1)
OBJS += techlibs/common/synth.o
endif
GENFILES += techlibs/common/simlib_help.inc
GENFILES += techlibs/common/simcells_help.inc
techlibs/common/simlib_help.inc: techlibs/common/cellhelp.py techlibs/common/simlib.v
$(Q) mkdir -p techlibs/common
$(P) python3 $^ > $@.new
$(Q) mv $@.new $@
techlibs/common/simcells_help.inc: techlibs/common/cellhelp.py techlibs/common/simcells.v
$(Q) mkdir -p techlibs/common
$(P) python3 $^ > $@.new
$(Q) mv $@.new $@
kernel/register.o: techlibs/common/simlib_help.inc techlibs/common/simcells_help.inc
$(eval $(call add_share_file,share,techlibs/common/simlib.v))
$(eval $(call add_share_file,share,techlibs/common/simcells.v))
$(eval $(call add_share_file,share,techlibs/common/techmap.v))

25
techlibs/common/cellhelp.py Normal file
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@ -0,0 +1,25 @@
#!/usr/bin/env python3
import fileinput
import json
current_help_msg = []
current_module_code = []
current_module_name = None
def print_current_cell():
print("cell_help[\"%s\"] = %s;" % (current_module_name, "\n".join([json.dumps(line) for line in current_help_msg])))
print("cell_code[\"%s+\"] = %s;" % (current_module_name, "\n".join([json.dumps(line) for line in current_module_code])))
for line in fileinput.input():
if line.startswith("//-"):
current_help_msg.append(line[4:] if len(line) > 4 else "\n")
if line.startswith("module "):
current_module_name = line.split()[1].strip("\\")
current_module_code = []
current_module_code.append(line)
if line.startswith("endmodule"):
if len(current_help_msg) > 0:
print_current_cell()
current_help_msg = []

250
techlibs/common/simcells.v
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@ -25,60 +25,184 @@
*
*/
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_BUF_ (A, Y)
//-
//- A buffer. This cell type is always optimized away by the opt_clean pass.
//-
//- Truth table: A | Y
//- ---+---
//- 0 | 0
//- 1 | 1
//-
module \$_BUF_ (A, Y);
input A;
output Y;
assign Y = A;
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_NOT_ (A, Y)
//-
//- An inverter gate.
//-
//- Truth table: A | Y
//- ---+---
//- 0 | 1
//- 1 | 0
//-
module \$_NOT_ (A, Y);
input A;
output Y;
assign Y = ~A;
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_AND_ (A, B, Y)
//-
//- A 2-input AND gate.
//-
//- Truth table: A B | Y
//- -----+---
//- 0 0 | 0
//- 0 1 | 0
//- 1 0 | 0
//- 1 1 | 1
//-
module \$_AND_ (A, B, Y);
input A, B;
output Y;
assign Y = A & B;
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_NAND_ (A, B, Y)
//-
//- A 2-input NAND gate.
//-
//- Truth table: A B | Y
//- -----+---
//- 0 0 | 1
//- 0 1 | 1
//- 1 0 | 1
//- 1 1 | 0
//-
module \$_NAND_ (A, B, Y);
input A, B;
output Y;
assign Y = ~(A & B);
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_OR_ (A, B, Y)
//-
//- A 2-input OR gate.
//-
//- Truth table: A B | Y
//- -----+---
//- 0 0 | 0
//- 0 1 | 1
//- 1 0 | 1
//- 1 1 | 1
//-
module \$_OR_ (A, B, Y);
input A, B;
output Y;
assign Y = A | B;
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_NOR_ (A, B, Y)
//-
//- A 2-input NOR gate.
//-
//- Truth table: A B | Y
//- -----+---
//- 0 0 | 1
//- 0 1 | 0
//- 1 0 | 0
//- 1 1 | 0
//-
module \$_NOR_ (A, B, Y);
input A, B;
output Y;
assign Y = ~(A | B);
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_XOR_ (A, B, Y)
//-
//- A 2-input XOR gate.
//-
//- Truth table: A B | Y
//- -----+---
//- 0 0 | 0
//- 0 1 | 1
//- 1 0 | 1
//- 1 1 | 0
//-
module \$_XOR_ (A, B, Y);
input A, B;
output Y;
assign Y = A ^ B;
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_XNOR_ (A, B, Y)
//-
//- A 2-input XNOR gate.
//-
//- Truth table: A B | Y
//- -----+---
//- 0 0 | 1
//- 0 1 | 0
//- 1 0 | 0
//- 1 1 | 1
//-
module \$_XNOR_ (A, B, Y);
input A, B;
output Y;
assign Y = ~(A ^ B);
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_MUX_ (A, B, S, Y)
//-
//- A 2-input MUX gate.
//-
//- Truth table: A B S | Y
//- -------+---
//- a - 0 | a
//- - b 1 | b
//-
module \$_MUX_ (A, B, S, Y);
input A, B, S;
output Y;
assign Y = S ? B : A;
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_MUX4_ (A, B, C, D, S, T, Y)
//-
//- A 4-input MUX gate.
//-
//- Truth table: A B C D S T | Y
//- -------------+---
//- a - - - 0 0 | a
//- - b - - 1 0 | b
//- - - c - 0 1 | c
//- - - - d 1 1 | d
//-
module \$_MUX4_ (A, B, C, D, S, T, Y);
input A, B, C, D, S, T;
output Y;
@ -86,6 +210,23 @@ assign Y = T ? (S ? D : C) :
(S ? B : A);
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_MUX8_ (A, B, C, D, E, F, G, H, S, T, U, Y)
//-
//- An 8-input MUX gate.
//-
//- Truth table: A B C D E F G H S T U | Y
//- -----------------------+---
//- a - - - - - - - 0 0 0 | a
//- - b - - - - - - 1 0 0 | b
//- - - c - - - - - 0 1 0 | c
//- - - - d - - - - 1 1 0 | d
//- - - - - e - - - 0 0 1 | e
//- - - - - - f - - 1 0 1 | f
//- - - - - - - g - 0 1 1 | g
//- - - - - - - - h 1 1 1 | h
//-
module \$_MUX8_ (A, B, C, D, E, F, G, H, S, T, U, Y);
input A, B, C, D, E, F, G, H, S, T, U;
output Y;
@ -95,6 +236,31 @@ assign Y = U ? T ? (S ? H : G) :
(S ? B : A);
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_MUX16_ (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, S, T, U, V, Y)
//-
//- A 16-input MUX gate.
//-
//- Truth table: A B C D E F G H I J K L M N O P S T U V | Y
//- -----------------------------------------+---
//- a - - - - - - - - - - - - - - - 0 0 0 0 | a
//- - b - - - - - - - - - - - - - - 1 0 0 0 | b
//- - - c - - - - - - - - - - - - - 0 1 0 0 | c
//- - - - d - - - - - - - - - - - - 1 1 0 0 | d
//- - - - - e - - - - - - - - - - - 0 0 1 0 | e
//- - - - - - f - - - - - - - - - - 1 0 1 0 | f
//- - - - - - - g - - - - - - - - - 0 1 1 0 | g
//- - - - - - - - h - - - - - - - - 1 1 1 0 | h
//- - - - - - - - - i - - - - - - - 0 0 0 1 | i
//- - - - - - - - - - j - - - - - - 1 0 0 1 | j
//- - - - - - - - - - - k - - - - - 0 1 0 1 | k
//- - - - - - - - - - - - l - - - - 1 1 0 1 | l
//- - - - - - - - - - - - - m - - - 0 0 1 1 | m
//- - - - - - - - - - - - - - n - - 1 0 1 1 | n
//- - - - - - - - - - - - - - - o - 0 1 1 1 | o
//- - - - - - - - - - - - - - - - p 1 1 1 1 | p
//-
module \$_MUX16_ (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, S, T, U, V, Y);
input A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, S, T, U, V;
output Y;
@ -108,24 +274,108 @@ assign Y = V ? U ? T ? (S ? P : O) :
(S ? B : A);
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_AOI3_ (A, B, C, Y)
//-
//- A 3-input And-Or-Invert gate.
//-
//- Truth table: A B C | Y
//- -------+---
//- 0 0 0 | 1
//- 0 0 1 | 0
//- 0 1 0 | 1
//- 0 1 1 | 0
//- 1 0 0 | 1
//- 1 0 1 | 0
//- 1 1 0 | 0
//- 1 1 1 | 0
//-
module \$_AOI3_ (A, B, C, Y);
input A, B, C;
output Y;
assign Y = ~((A & B) | C);
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_OAI3_ (A, B, C, Y)
//-
//- A 3-input Or-And-Invert gate.
//-
//- Truth table: A B C | Y
//- -------+---
//- 0 0 0 | 1
//- 0 0 1 | 1
//- 0 1 0 | 1
//- 0 1 1 | 0
//- 1 0 0 | 1
//- 1 0 1 | 0
//- 1 1 0 | 1
//- 1 1 1 | 0
//-
module \$_OAI3_ (A, B, C, Y);
input A, B, C;
output Y;
assign Y = ~((A | B) & C);
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_AOI4_ (A, B, C, Y)
//-
//- A 4-input And-Or-Invert gate.
//-
//- Truth table: A B C D | Y
//- ---------+---
//- 0 0 0 0 | 1
//- 0 0 0 1 | 1
//- 0 0 1 0 | 1
//- 0 0 1 1 | 0
//- 0 1 0 0 | 1
//- 0 1 0 1 | 1
//- 0 1 1 0 | 1
//- 0 1 1 1 | 0
//- 1 0 0 0 | 1
//- 1 0 0 1 | 1
//- 1 0 1 0 | 1
//- 1 0 1 1 | 0
//- 1 1 0 0 | 0
//- 1 1 0 1 | 0
//- 1 1 1 0 | 0
//- 1 1 1 1 | 0
//-
module \$_AOI4_ (A, B, C, D, Y);
input A, B, C, D;
output Y;
assign Y = ~((A & B) | (C & D));
endmodule
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
//-
//- $_OAI4_ (A, B, C, Y)
//-
//- A 4-input Or-And-Invert gate.
//-
//- Truth table: A B C D | Y
//- ---------+---
//- 0 0 0 0 | 1
//- 0 0 0 1 | 1
//- 0 0 1 0 | 1
//- 0 0 1 1 | 1
//- 0 1 0 0 | 1
//- 0 1 0 1 | 0
//- 0 1 1 0 | 0
//- 0 1 1 1 | 0
//- 1 0 0 0 | 1
//- 1 0 0 1 | 0
//- 1 0 1 0 | 0
//- 1 0 1 1 | 0
//- 1 1 0 0 | 1
//- 1 1 0 1 | 0
//- 1 1 1 0 | 0
//- 1 1 1 1 | 0
//-
module \$_OAI4_ (A, B, C, D, Y);
input A, B, C, D;
output Y;