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Refactor RNG out to separate DeterministicRNG class

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This well also allow for better lifecycle control over the state of the
RNG in the future.
This commit is contained in:
Serge Bazanski 2018-07-14 20:33:32 +01:00
parent 59a790cd00
commit 91db413c60
1 changed files with 67 additions and 57 deletions
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124
common/nextpnr.h
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@ -265,65 +265,15 @@ class IdStringDB
}
};
class BaseCtx : public IdStringDB
class DeterministicRNG
{
private:
uint64_t rngstate;
public:
std::unordered_map<IdString, std::unique_ptr<NetInfo>> nets;
std::unordered_map<IdString, std::unique_ptr<CellInfo>> cells;
BaseCtx() {}
~BaseCtx() {}
Context *getCtx() { return reinterpret_cast<Context *>(this); }
const Context *getCtx() const { return reinterpret_cast<const Context *>(this); }
// --------------------------------------------------------------
bool allUiReload = false;
bool frameUiReload = false;
std::unordered_set<BelId> belUiReload;
std::unordered_set<WireId> wireUiReload;
std::unordered_set<PipId> pipUiReload;
std::unordered_set<GroupId> groupUiReload;
void refreshUi() { allUiReload = true; }
void refreshUiFrame() { frameUiReload = true; }
void refreshUiBel(BelId bel) { belUiReload.insert(bel); }
void refreshUiWire(WireId wire) { wireUiReload.insert(wire); }
void refreshUiPip(PipId pip) { pipUiReload.insert(pip); }
void refreshUiGroup(GroupId group) { groupUiReload.insert(group); }
};
NEXTPNR_NAMESPACE_END
#include "arch.h"
NEXTPNR_NAMESPACE_BEGIN
struct Context : Arch
{
bool verbose = false;
bool debug = false;
bool force = false;
bool timing_driven = true;
float target_freq = 12e6;
Context(ArchArgs args) : Arch(args) {}
// --------------------------------------------------------------
// provided by router1.cc
bool getActualRouteDelay(WireId src_wire, WireId dst_wire, delay_t &delay);
// --------------------------------------------------------------
uint64_t rngstate = 0x3141592653589793;
DeterministicRNG() : rngstate(0x3141592653589793)
{
}
uint64_t rng64()
{
@ -383,6 +333,66 @@ struct Context : Arch
shuffle(a);
}
};
class BaseCtx : public IdStringDB, public DeterministicRNG
{
public:
std::unordered_map<IdString, std::unique_ptr<NetInfo>> nets;
std::unordered_map<IdString, std::unique_ptr<CellInfo>> cells;
BaseCtx() {}
~BaseCtx() {}
Context *getCtx() { return reinterpret_cast<Context *>(this); }
const Context *getCtx() const { return reinterpret_cast<const Context *>(this); }
// --------------------------------------------------------------
bool allUiReload = false;
bool frameUiReload = false;
std::unordered_set<BelId> belUiReload;
std::unordered_set<WireId> wireUiReload;
std::unordered_set<PipId> pipUiReload;
std::unordered_set<GroupId> groupUiReload;
void refreshUi() { allUiReload = true; }
void refreshUiFrame() { frameUiReload = true; }
void refreshUiBel(BelId bel) { belUiReload.insert(bel); }
void refreshUiWire(WireId wire) { wireUiReload.insert(wire); }
void refreshUiPip(PipId pip) { pipUiReload.insert(pip); }
void refreshUiGroup(GroupId group) { groupUiReload.insert(group); }
};
NEXTPNR_NAMESPACE_END
#include "arch.h"
NEXTPNR_NAMESPACE_BEGIN
struct Context : Arch
{
bool verbose = false;
bool debug = false;
bool force = false;
bool timing_driven = true;
float target_freq = 12e6;
Context(ArchArgs args) : Arch(args) {}
// --------------------------------------------------------------
// provided by router1.cc
bool getActualRouteDelay(WireId src_wire, WireId dst_wire, delay_t &delay);
// --------------------------------------------------------------
uint32_t checksum() const;
void check() const;