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[Kernel & APT] Mutexes v0.1

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wheremyfoodat 2022-11-17 00:29:02 +02:00
parent 41e01bbdd4
commit 3c55d88fab
7 changed files with 51 additions and 8 deletions
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13
src/core/services/apt.cpp
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@ -1,4 +1,5 @@
#include "services/apt.hpp"
#include "kernel.hpp"
namespace APTCommands {
enum : u32 {
@ -32,6 +33,8 @@ namespace Result {
void APTService::reset() {
// Set the default CPU time limit to 30%. Seems safe, as this is what Metroid 2 uses by default
cpuTimeLimit = 30;
lockHandle = std::nullopt;
}
void APTService::handleSyncRequest(u32 messagePointer) {
@ -80,12 +83,18 @@ void APTService::enable(u32 messagePointer) {
}
void APTService::getLockHandle(u32 messagePointer) {
log("APT::GetLockHandle");
log("APT::GetLockHandle\n");
// Create a lock handle if none exists
if (!lockHandle.has_value() || kernel.getObject(lockHandle.value(), KernelObjectType::Mutex) == nullptr) {
lockHandle = kernel.makeMutex();
}
mem.write32(messagePointer + 4, Result::Success); // Result code
mem.write32(messagePointer + 8, 0); // AppletAttr
mem.write32(messagePointer + 12, 0); // APT State (bit0 = Power Button State, bit1 = Order To Close State)
mem.write32(messagePointer + 16, 0); // Translation descriptor
mem.write32(messagePointer + 20, 0x34563456); // Lock handle
mem.write32(messagePointer + 20, lockHandle.value()); // Lock handle
}
// This apparently does nothing on the original kernel either?