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CECD: Stub GetChangeStateEventHandle (#776)

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* CECD: Stub GetChangeStateEventHandle

* More CECD
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wheremyfoodat 2025-07-08 02:18:13 +03:00 • committed by GitHub
parent 94d78edb49
commit 8ba3b1ceca
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2 changed files with 39 additions and 3 deletions
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3
include/services/cecd.hpp
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@ -18,10 +18,13 @@ class CECDService {
MAKE_LOG_FUNCTION(log, cecdLogger)
std::optional<Handle> infoEvent;
std::optional<Handle> changeStateEvent;
// Service commands
void getChangeStateEventHandle(u32 messagePointer);
void getInfoEventHandle(u32 messagePointer);
void openAndRead(u32 messagePointer);
void stop(u32 messagePointer);
public:
CECDService(Memory& mem, Kernel& kernel) : mem(mem), kernel(kernel) {}

39
src/core/services/cecd.cpp
View file

@ -5,18 +5,27 @@
namespace CECDCommands {
enum : u32 {
Stop = 0x000C0040,
GetInfoEventHandle = 0x000F0000,
GetChangeStateEventHandle = 0x00100000,
OpenAndRead = 0x00120104,
};
}
void CECDService::reset() { infoEvent = std::nullopt; }
void CECDService::reset() {
changeStateEvent = std::nullopt;
infoEvent = std::nullopt;
}
void CECDService::handleSyncRequest(u32 messagePointer) {
const u32 command = mem.read32(messagePointer);
switch (command) {
case CECDCommands::GetInfoEventHandle: getInfoEventHandle(messagePointer); break;
case CECDCommands::GetChangeStateEventHandle: getChangeStateEventHandle(messagePointer); break;
case CECDCommands::OpenAndRead: openAndRead(messagePointer); break;
case CECDCommands::Stop: stop(messagePointer); break;
default:
Helpers::panicDev("CECD service requested. Command: %08X\n", command);
mem.write32(messagePointer + 4, Result::Success);
@ -34,7 +43,20 @@ void CECDService::getInfoEventHandle(u32 messagePointer) {
mem.write32(messagePointer, IPC::responseHeader(0xF, 1, 2));
mem.write32(messagePointer + 4, Result::Success);
// TODO: Translation descriptor here?
mem.write32(messagePointer + 12, infoEvent.value());
mem.write32(messagePointer + 12, *infoEvent);
}
void CECDService::getChangeStateEventHandle(u32 messagePointer) {
log("CECD::GetChangeStateEventHandle (stubbed)\n");
if (!changeStateEvent.has_value()) {
changeStateEvent = kernel.makeEvent(ResetType::OneShot);
}
mem.write32(messagePointer, IPC::responseHeader(0x10, 1, 2));
mem.write32(messagePointer + 4, Result::Success);
// TODO: Translation descriptor here?
mem.write32(messagePointer + 12, *changeStateEvent);
}
void CECDService::openAndRead(u32 messagePointer) {
@ -48,4 +70,15 @@ void CECDService::openAndRead(u32 messagePointer) {
mem.write32(messagePointer, IPC::responseHeader(0x12, 2, 2));
mem.write32(messagePointer + 4, Result::Success);
mem.write32(messagePointer + 8, 0); // Bytes read
}
}
void CECDService::stop(u32 messagePointer) {
log("CECD::Stop (stubbed)\n");
if (changeStateEvent.has_value()) {
kernel.signalEvent(*changeStateEvent);
}
mem.write32(messagePointer, IPC::responseHeader(0x0C, 1, 0));
mem.write32(messagePointer + 4, Result::Success);
}