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SPU: add the concept of inaccurate reservations

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Implement cellSpursRequestIdleSpu
This commit is contained in:
Eladash 2022-08-18 12:15:32 +03:00 • committed by Ivan
parent d36cf71a2d
commit 82b1a2bd7a
4 changed files with 134 additions and 21 deletions
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21
rpcs3/Emu/Cell/SPUThread.cpp
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@ -1453,6 +1453,20 @@ void spu_thread::cpu_task()
return fmt::format("%sSPU[0x%07x] Thread (%s) [0x%05x]", type >= spu_type::raw ? type == spu_type::isolated ? "Iso" : "Raw" : "", cpu->lv2_id, *name_cache.get(), cpu->pc);
};
if (!spurs_addr)
{
// Evaluate it
if (!group)
{
spurs_addr = -0x80; // Some invalid non-0 address
}
else
{
const u32 arg = static_cast<u32>(group->args[index][1]);
spurs_addr = group->name.ends_with("CellSpursKernelGroup"sv) && vm::check_addr(arg) ? arg : 0u - 0x80;
}
}
if (jit)
{
while (true)
@ -2827,6 +2841,13 @@ bool spu_thread::do_putllc(const spu_mfc_cmd& args)
return false;
}
if (!g_cfg.core.spu_accurate_reservations && addr - spurs_addr <= 0x80)
{
mov_rdata(vm::_ref<spu_rdata_t>(addr), to_write);
res += 64;
return true;
}
if (g_use_rtm) [[likely]]
{
switch (u64 count = spu_putllc_tx(addr, rtime, rdata, to_write))