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wspawn instruction support.

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This commit is contained in:
cdkersey
2015-08-04 12:20:49 -06:00
parent 3011e4e757
commit c3dfe31fe7
3 changed files with 37 additions and 14 deletions
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25
src/core.cpp
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@@ -32,9 +32,10 @@ void Harp::reg_doWrite(Word cpuId, Word regNum) {
Core::Core(const ArchDef &a, Decoder &d, MemoryUnit &mem, Word id):
a(a), iDec(d), mem(mem)
{
w.push_back(Warp(this));
for (unsigned i = 0; i < 8; ++i)
w.push_back(Warp(this));
// TODO: core-level initialization
w[0].activeThreads = 1;
}
bool Core::interrupt(Word r0) {
@@ -42,21 +43,25 @@ bool Core::interrupt(Word r0) {
}
void Core::step() {
for (unsigned i = 0; i < w.size(); ++i)
w[i].step();
for (unsigned i = 0; i < w.size(); ++i) {
if (w[i].activeThreads) {
D(3, "Core step stepping warp " << i << '[' << w[i].activeThreads << ']');
w[i].step();
D(3, "Now " << w[i].activeThreads << " active threads in " << i);
}
}
}
bool Core::running() const {
for (unsigned i = 0; i < w.size(); ++i)
if (!w[i].running()) return false;
return true;
if (w[i].running()) return true;
return false;
}
Warp::Warp(Core *c, Word id) :
core(c), pc(0), interruptEnable(false),
supervisorMode(true), activeThreads(1), reg(0), pred(0),
shadowReg(core->a.getNRegs()), shadowPReg(core->a.getNPRegs()),
interruptEntry(0), id(id)
supervisorMode(true), activeThreads(0), reg(0), pred(0),
shadowReg(core->a.getNRegs()), shadowPReg(core->a.getNPRegs()), id(id)
{
/* Build the register file. */
Word regNum(0);
@@ -191,7 +196,7 @@ bool Warp::interrupt(Word r0) {
interruptEnable = false;
supervisorMode = true;
reg[0][0] = r0;
pc = interruptEntry;
pc = core->interruptEntry;
return true;
}