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Merge remote-tracking branch 'origin/eddie/abc9_refactor' into eddie/abc9_required

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Eddie Hung 2020-01-12 15:19:41 -08:00
commit f9aae90e7a
11 changed files with 198 additions and 156 deletions
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22
passes/techmap/abc9.cc
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@ -26,9 +26,6 @@
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
#define XC7_WIRE_DELAY 300 // Number with which ABC will map a 6-input gate
// to one LUT6 (instead of a LUT5 + LUT2)
struct Abc9Pass : public ScriptPass
{
Abc9Pass() : ScriptPass("abc9", "use ABC9 for technology mapping") { }
@ -39,8 +36,9 @@ struct Abc9Pass : public ScriptPass
log("\n");
log(" abc9 [options] [selection]\n");
log("\n");
log("This pass uses the ABC tool [1] for technology mapping of yosys's internal gate\n");
log("library to a target architecture. Only fully-selected modules are supported.\n");
log("This script pass performs a sequence of commands to facilitate the use of the ABC\n");
log("tool [1] for technology mapping of the current design to a target FPGA\n");
log("architecture. Only fully-selected modules are supported.\n");
log("\n");
log(" -exe <command>\n");
#ifdef ABCEXTERNAL
@ -59,21 +57,13 @@ struct Abc9Pass : public ScriptPass
log(" replaced with blanks before the string is passed to ABC.\n");
log("\n");
log(" if no -script parameter is given, the following scripts are used:\n");
log("\n");
log(" for -lut/-luts (only one LUT size):\n");
// FIXME
//log("%s\n", fold_abc9_cmd(ABC_COMMAND_LUT /*"; lutpack {S}"*/).c_str());
log("\n");
log(" for -lut/-luts (different LUT sizes):\n");
// FIXME
//FIXME:
//log("%s\n", fold_abc9_cmd(ABC_COMMAND_LUT).c_str());
log("\n");
log(" -fast\n");
log(" use different default scripts that are slightly faster (at the cost\n");
log(" of output quality):\n");
log("\n");
log(" for -lut/-luts:\n");
// FIXME
//FIXME:
//log("%s\n", fold_abc9_cmd(ABC_FAST_COMMAND_LUT).c_str());
log("\n");
log(" -D <picoseconds>\n");
@ -200,10 +190,10 @@ struct Abc9Pass : public ScriptPass
run("select -set abc9_holes A:abc9_holes");
run("flatten -wb @abc9_holes");
run("techmap @abc9_holes");
run("aigmap");
if (dff_mode || help_mode)
run("abc9_ops -prep_dff", "(only if -dff)");
run("opt -purge @abc9_holes");
run("aigmap");
run("wbflip @abc9_holes");
}