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[GSP] Add interrupt relay event

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This commit is contained in:
wheremyfoodat 2023-04-21 02:27:28 +03:00
parent d0db2eefce
commit 5daade05d8
4 changed files with 25 additions and 5 deletions
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14
src/core/services/gsp_gpu.cpp
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@ -1,5 +1,6 @@
#include "services/gsp_gpu.hpp"
#include "ipc.hpp"
#include "kernel.hpp"
// Commands used with SendSyncRequest targetted to the GSP::GPU service
namespace ServiceCommands {
@ -38,6 +39,7 @@ namespace Result {
void GPUService::reset() {
privilegedProcess = 0xFFFFFFFF; // Set the privileged process to an invalid handle
interruptEvent = std::nullopt;
sharedMem = nullptr;
}
@ -90,6 +92,13 @@ void GPUService::registerInterruptRelayQueue(u32 messagePointer) {
const u32 eventHandle = mem.read32(messagePointer + 12);
log("GSP::GPU::RegisterInterruptRelayQueue (flags = %X, event handle = %X)\n", flags, eventHandle);
const auto event = kernel.getObject(eventHandle, KernelObjectType::Event);
if (event == nullptr) { // Check if interrupt event is invalid
Helpers::panic("Invalid event passed to GSP::GPU::RegisterInterruptRelayQueue");
} else {
interruptEvent = eventHandle;
}
mem.write32(messagePointer, IPC::responseHeader(0x13, 2, 2));
mem.write32(messagePointer + 4, Result::SuccessRegisterIRQ); // First init returns a unique result
mem.write32(messagePointer + 8, 0); // TODO: GSP module thread index
@ -109,6 +118,11 @@ void GPUService::requestInterrupt(GPUInterrupt type) {
sharedMem[2] = 0; // Set error code to 0
sharedMem[0xC + flagIndex] = static_cast<u8>(type); // Write interrupt type to queue
// Signal interrupt event
if (interruptEvent.has_value()) {
kernel.signalEvent(interruptEvent.value());
}
}
void GPUService::writeHwRegs(u32 messagePointer) {