audio_core/hle,lle: implement SetSemaphore

src/audio_core/dsp_interface.h

@@ -47,6 +47,12 @@ public:
      */
     virtual bool RecvDataIsReady(u32 register_number) const = 0;
 
+    /**
+     * Sets the DSP semaphore register
+     * @param semaphore_value the value set to the semaphore register
+     */
+    virtual void SetSemaphore(u16 semaphore_value) = 0;
+
     /**
      * Reads `length` bytes from the DSP pipe identified with `pipe_number`.
      * @note Can read up to the maximum value of a u16 in bytes (65,535).

src/audio_core/hle/hle.cpp

@@ -375,6 +375,10 @@ bool DspHle::RecvDataIsReady(u32 register_number) const {
     return impl->RecvDataIsReady(register_number);
 }
 
+void DspHle::SetSemaphore(u16 semaphore_value) {
+    // Do nothing in HLE
+}
+
 std::vector<u8> DspHle::PipeRead(DspPipe pipe_number, u32 length) {
     return impl->PipeRead(pipe_number, length);
 }

src/audio_core/hle/hle.h

@@ -26,6 +26,7 @@ public:
 
     u16 RecvData(u32 register_number) override;
     bool RecvDataIsReady(u32 register_number) const override;
+    void SetSemaphore(u16 semaphore_value) override;
     std::vector<u8> PipeRead(DspPipe pipe_number, u32 length) override;
     std::size_t GetPipeReadableSize(DspPipe pipe_number) const override;
     void PipeWrite(DspPipe pipe_number, const std::vector<u8>& buffer) override;

src/audio_core/lle/lle.cpp

@@ -27,6 +27,10 @@ bool DspLle::RecvDataIsReady(u32 register_number) const {
     return impl->teakra.RecvDataIsReady(register_number);
 }
 
+void DspLle::SetSemaphore(u16 semaphore_value) {
+    impl->teakra.SetSemaphore(semaphore_value);
+}
+
 DspLle::DspLle() : impl(std::make_unique<Impl>()) {}
 DspLle::~DspLle() = default;
 

src/audio_core/lle/lle.h

@@ -15,6 +15,7 @@ public:
 
     u16 RecvData(u32 register_number) override;
     bool RecvDataIsReady(u32 register_number) const override;
+    void SetSemaphore(u16 semaphore_value) override;
 
 private:
     struct Impl;

src/core/hle/service/dsp/dsp_dsp.cpp

@@ -46,6 +46,8 @@ void DSP_DSP::SetSemaphore(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx, 0x07, 1, 0);
     const u16 semaphore_value = rp.Pop<u16>();
 
+    system.DSP().SetSemaphore(semaphore_value);
+
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RESULT_SUCCESS);