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gowin: Himbaechel, fix style

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Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
This commit is contained in:
YRabbit 2023-07-01 19:09:27 +10:00 committed by myrtle
parent e4d2e1bd85
commit f7fbe0db04
2 changed files with 215 additions and 219 deletions
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62
himbaechel/uarch/gowin/gowin.cc
View File

@ -7,7 +7,8 @@
NEXTPNR_NAMESPACE_BEGIN
void GowinImpl::init(Context *ctx) {
void GowinImpl::init(Context *ctx)
{
h.init(ctx);
HimbaechelAPI::init(ctx);
// These fields go in the header of the output JSON file and can help
@ -18,7 +19,8 @@ void GowinImpl::init(Context *ctx) {
// Arch::archArgsToId
}
void GowinImpl::prePlace() {
void GowinImpl::prePlace()
{
ctx->cells.at(ctx->id("leds_OBUF_O"))->setAttr(ctx->id("BEL"), std::string("X0Y14/IOBA"));
ctx->cells.at(ctx->id("leds_OBUF_O_1"))->setAttr(ctx->id("BEL"), std::string("X0Y15/IOBB"));
ctx->cells.at(ctx->id("leds_OBUF_O_2"))->setAttr(ctx->id("BEL"), std::string("X0Y20/IOBB"));
@ -29,7 +31,8 @@ void GowinImpl::prePlace() {
assign_cell_info();
}
void GowinImpl::pack() {
void GowinImpl::pack()
{
// Trim nextpnr IOBs - assume IO buffer insertion has been done in synthesis
const pool<CellTypePort> top_ports{
CellTypePort(id_IBUF, id_I),
@ -51,11 +54,13 @@ void GowinImpl::pack() {
{id_DFFS, id_D}, {id_DFFSE, id_D}, {id_DFFNS, id_D}, {id_DFFNSE, id_D},
{id_DFFR, id_D}, {id_DFFRE, id_D}, {id_DFFNR, id_D}, {id_DFFNRE, id_D},
{id_DFFP, id_D}, {id_DFFPE, id_D}, {id_DFFNP, id_D}, {id_DFFNPE, id_D},
{id_DFFC, id_D}, {id_DFFCE, id_D}, {id_DFFNC, id_D}, {id_DFFNCE, id_D}},1);
{id_DFFC, id_D}, {id_DFFCE, id_D}, {id_DFFNC, id_D}, {id_DFFNCE, id_D}},
1);
log_info("Constrained %d LUTFF pairs.\n", lutffs);
}
bool GowinImpl::isBelLocationValid(BelId bel, bool explain_invalid) const {
bool GowinImpl::isBelLocationValid(BelId bel, bool explain_invalid) const
{
Loc l = ctx->getBelLocation(bel);
if (ctx->getBelType(bel).in(id_LUT4, id_DFF)) {
return slice_valid(l.x, l.y, l.z / 2);
@ -65,7 +70,8 @@ bool GowinImpl::isBelLocationValid(BelId bel, bool explain_invalid) const {
}
// Bel bucket functions
IdString GowinImpl::getBelBucketForCellType(IdString cell_type) const {
IdString GowinImpl::getBelBucketForCellType(IdString cell_type) const
{
if (cell_type.in(id_IBUF, id_OBUF)) {
return id_IOB;
}
@ -84,7 +90,8 @@ IdString GowinImpl::getBelBucketForCellType(IdString cell_type) const {
return cell_type;
}
bool GowinImpl::isValidBelForCellType(IdString cell_type, BelId bel) const {
bool GowinImpl::isValidBelForCellType(IdString cell_type, BelId bel) const
{
IdString bel_type = ctx->getBelType(bel);
if (bel_type == id_IOB) {
return cell_type.in(id_IBUF, id_OBUF);
@ -104,7 +111,8 @@ bool GowinImpl::isValidBelForCellType(IdString cell_type, BelId bel) const {
return (bel_type == cell_type);
}
void GowinImpl::assign_cell_info() {
void GowinImpl::assign_cell_info()
{
fast_cell_info.resize(ctx->cells.size());
for (auto &cell : ctx->cells) {
CellInfo *ci = cell.second.get();
@ -125,7 +133,8 @@ void GowinImpl::assign_cell_info() {
}
}
bool GowinImpl::slice_valid(int x, int y, int z) const {
bool GowinImpl::slice_valid(int x, int y, int z) const
{
const CellInfo *lut = ctx->getBoundBelCell(ctx->getBelByLocation(Loc(x, y, z * 2)));
const CellInfo *ff = ctx->getBoundBelCell(ctx->getBelByLocation(Loc(x, y, z * 2 + 1)));
if (!ff) {
@ -144,23 +153,19 @@ bool GowinImpl::slice_valid(int x, int y, int z) const {
}
// DFFs must be same type or compatible
if (ff->type != adj_ff->type &&
( (ff->type.in(id_DFFS) && !adj_ff->type.in(id_DFFR))
|| (ff->type.in(id_DFFR) && !adj_ff->type.in(id_DFFS))
|| (ff->type.in(id_DFFSE) && !adj_ff->type.in(id_DFFRE))
|| (ff->type.in(id_DFFRE) && !adj_ff->type.in(id_DFFSE))
|| (ff->type.in(id_DFFP) && !adj_ff->type.in(id_DFFC))
|| (ff->type.in(id_DFFC) && !adj_ff->type.in(id_DFFP))
|| (ff->type.in(id_DFFPE) && !adj_ff->type.in(id_DFFCE))
|| (ff->type.in(id_DFFCE) && !adj_ff->type.in(id_DFFPE))
|| (ff->type.in(id_DFFNS) && !adj_ff->type.in(id_DFFNR))
|| (ff->type.in(id_DFFNR) && !adj_ff->type.in(id_DFFNS))
|| (ff->type.in(id_DFFNSE) && !adj_ff->type.in(id_DFFNRE))
|| (ff->type.in(id_DFFNRE) && !adj_ff->type.in(id_DFFNSE))
|| (ff->type.in(id_DFFNP) && !adj_ff->type.in(id_DFFNC))
|| (ff->type.in(id_DFFNC) && !adj_ff->type.in(id_DFFNP))
|| (ff->type.in(id_DFFNPE) && !adj_ff->type.in(id_DFFNCE))
|| (ff->type.in(id_DFFNCE) && !adj_ff->type.in(id_DFFNPE))
)) {
((ff->type.in(id_DFFS) && !adj_ff->type.in(id_DFFR)) || (ff->type.in(id_DFFR) && !adj_ff->type.in(id_DFFS)) ||
(ff->type.in(id_DFFSE) && !adj_ff->type.in(id_DFFRE)) ||
(ff->type.in(id_DFFRE) && !adj_ff->type.in(id_DFFSE)) || (ff->type.in(id_DFFP) && !adj_ff->type.in(id_DFFC)) ||
(ff->type.in(id_DFFC) && !adj_ff->type.in(id_DFFP)) || (ff->type.in(id_DFFPE) && !adj_ff->type.in(id_DFFCE)) ||
(ff->type.in(id_DFFCE) && !adj_ff->type.in(id_DFFPE)) ||
(ff->type.in(id_DFFNS) && !adj_ff->type.in(id_DFFNR)) ||
(ff->type.in(id_DFFNR) && !adj_ff->type.in(id_DFFNS)) ||
(ff->type.in(id_DFFNSE) && !adj_ff->type.in(id_DFFNRE)) ||
(ff->type.in(id_DFFNRE) && !adj_ff->type.in(id_DFFNSE)) ||
(ff->type.in(id_DFFNP) && !adj_ff->type.in(id_DFFNC)) ||
(ff->type.in(id_DFFNC) && !adj_ff->type.in(id_DFFNP)) ||
(ff->type.in(id_DFFNPE) && !adj_ff->type.in(id_DFFNCE)) ||
(ff->type.in(id_DFFNCE) && !adj_ff->type.in(id_DFFNPE)))) {
return false;
}
@ -174,7 +179,8 @@ bool GowinImpl::slice_valid(int x, int y, int z) const {
}
// modify LUTs with constant inputs
void GowinImpl::mod_lut_inputs(void) {
void GowinImpl::mod_lut_inputs(void)
{
for (IdString netname : {ctx->id("$PACKER_GND"), ctx->id("$PACKER_VCC")}) {
auto net = ctx->nets.find(netname);
if (net == ctx->nets.end()) {
@ -231,6 +237,4 @@ void GowinImpl::mod_lut_inputs(void) {
}
}
NEXTPNR_NAMESPACE_END

24
himbaechel/uarch/gowin/gowin.h
View File

@ -46,23 +46,16 @@ struct GowinImpl : HimbaechelAPI
void mod_lut_inputs(void);
// Return true if a cell is a LUT
inline bool type_is_lut(IdString cell_type) const {
return cell_type.in(id_LUT1, id_LUT2, id_LUT3, id_LUT4);
}
inline bool is_lut(const CellInfo *cell) const {
return type_is_lut(cell->type);
}
inline bool type_is_lut(IdString cell_type) const { return cell_type.in(id_LUT1, id_LUT2, id_LUT3, id_LUT4); }
inline bool is_lut(const CellInfo *cell) const { return type_is_lut(cell->type); }
// Return true if a cell is a DFF
inline bool type_is_dff(IdString cell_type) const {
return cell_type.in(id_DFF, id_DFFE, id_DFFN, id_DFFNE,
id_DFFS, id_DFFSE, id_DFFNS, id_DFFNSE,
id_DFFR, id_DFFRE, id_DFFNR, id_DFFNRE,
id_DFFP, id_DFFPE, id_DFFNP, id_DFFNPE,
id_DFFC, id_DFFCE, id_DFFNC, id_DFFNCE);
}
inline bool is_dff(const CellInfo *cell) const {
return type_is_dff(cell->type);
inline bool type_is_dff(IdString cell_type) const
{
return cell_type.in(id_DFF, id_DFFE, id_DFFN, id_DFFNE, id_DFFS, id_DFFSE, id_DFFNS, id_DFFNSE, id_DFFR,
id_DFFRE, id_DFFNR, id_DFFNRE, id_DFFP, id_DFFPE, id_DFFNP, id_DFFNPE, id_DFFC, id_DFFCE,
id_DFFNC, id_DFFNCE);
}
inline bool is_dff(const CellInfo *cell) const { return type_is_dff(cell->type); }
};
struct GowinArch : HimbaechelArch
@ -77,4 +70,3 @@ struct GowinArch : HimbaechelArch
NEXTPNR_NAMESPACE_END
#endif