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General: Recover Prometheus project from harddrive failure

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This commit: Implements CPU Interrupts, Replaces Cycle Timing for Host 
Timing, Reworks the Kernel's Scheduler, Introduce Idle State and 
Suspended State, Recreates the bootmanager, Initializes Multicore 
system.
This commit is contained in:
Fernando Sahmkow 2020-02-24 22:04:12 -04:00
parent 0ea4a8bcc4
commit e31425df38
57 changed files with 1349 additions and 824 deletions
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21
src/core/hle/kernel/svc.cpp
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@ -863,9 +863,9 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
if (same_thread && info_sub_id == 0xFFFFFFFFFFFFFFFF) {
const u64 thread_ticks = current_thread->GetTotalCPUTimeTicks();
out_ticks = thread_ticks + (core_timing.GetTicks() - prev_ctx_ticks);
out_ticks = thread_ticks + (core_timing.GetCPUTicks() - prev_ctx_ticks);
} else if (same_thread && info_sub_id == system.CurrentCoreIndex()) {
out_ticks = core_timing.GetTicks() - prev_ctx_ticks;
out_ticks = core_timing.GetCPUTicks() - prev_ctx_ticks;
}
*result = out_ticks;
@ -1428,9 +1428,10 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
ASSERT(kernel.CurrentProcess()->GetResourceLimit()->Reserve(ResourceType::Threads, 1));
ThreadType type = THREADTYPE_USER;
CASCADE_RESULT(std::shared_ptr<Thread> thread,
Thread::Create(kernel, "", entry_point, priority, arg, processor_id, stack_top,
*current_process));
Thread::Create(system, type, "", entry_point, priority, arg, processor_id, stack_top,
current_process));
const auto new_thread_handle = current_process->GetHandleTable().Create(thread);
if (new_thread_handle.Failed()) {
@ -1513,13 +1514,6 @@ static void SleepThread(Core::System& system, s64 nanoseconds) {
} else {
current_thread->Sleep(nanoseconds);
}
if (is_redundant) {
// If it's redundant, the core is pretty much idle. Some games keep idling
// a core while it's doing nothing, we advance timing to avoid costly continuous
// calls.
system.CoreTiming().AddTicks(2000);
}
system.PrepareReschedule(current_thread->GetProcessorID());
}
@ -1725,10 +1719,7 @@ static u64 GetSystemTick(Core::System& system) {
auto& core_timing = system.CoreTiming();
// Returns the value of cntpct_el0 (https://switchbrew.org/wiki/SVC#svcGetSystemTick)
const u64 result{Core::Timing::CpuCyclesToClockCycles(system.CoreTiming().GetTicks())};
// Advance time to defeat dumb games that busy-wait for the frame to end.
core_timing.AddTicks(400);
const u64 result{system.CoreTiming().GetClockTicks()};
return result;
}