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Semaphores v0.1

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wheremyfoodat 2022-11-17 22:14:56 +02:00
parent 3c55d88fab
commit 7b8cac8d43
6 changed files with 44 additions and 11 deletions
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20
src/core/services/service_manager.cpp
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@ -1,8 +1,11 @@
#include "services/service_manager.hpp"
#include "kernel.hpp"
ServiceManager::ServiceManager(std::array<u32, 16>& regs, Memory& mem, GPU& gpu, u32& currentPID, Kernel& kernel)
: regs(regs), mem(mem), apt(mem, kernel), cecd(mem), cfg(mem), dsp(mem), hid(mem), fs(mem, kernel), gsp_gpu(mem, gpu, currentPID),
gsp_lcd(mem), mic(mem), ndm(mem), ptm(mem) {}
: regs(regs), mem(mem), kernel(kernel), apt(mem, kernel), cecd(mem), cfg(mem), dsp(mem), hid(mem),
fs(mem, kernel), gsp_gpu(mem, gpu, currentPID), gsp_lcd(mem), mic(mem), ndm(mem), ptm(mem) {}
static constexpr int MAX_NOTIFICATION_COUNT = 16;
void ServiceManager::reset() {
apt.reset();
@ -16,6 +19,8 @@ void ServiceManager::reset() {
mic.reset();
ndm.reset();
ptm.reset();
notificationSemaphore = std::nullopt;
}
// Match IPC messages to a "srv:" command based on their header
@ -109,12 +114,17 @@ void ServiceManager::getServiceHandle(u32 messagePointer) {
}
void ServiceManager::enableNotification(u32 messagePointer) {
log("srv::EnableNotification() (STUBBED)\n");
log("srv::EnableNotification()\n");
// Make a semaphore for notifications if none exists currently
if (!notificationSemaphore.has_value() || kernel.getObject(notificationSemaphore.value(), KernelObjectType::Semaphore) == nullptr) {
notificationSemaphore = kernel.makeSemaphore(0, MAX_NOTIFICATION_COUNT);
}
mem.write32(messagePointer + 4, Result::Success); // Result code
mem.write32(messagePointer + 8, 0); // Translation descriptor
// TODO: Unstub. Handle to semaphore signaled on process notification
mem.write32(messagePointer + 12, 0x69696979);
// Handle to semaphore signaled on process notification
mem.write32(messagePointer + 12, notificationSemaphore.value());
}
void ServiceManager::receiveNotification(u32 messagePointer) {