video_core, kernel: added gfx eop event handling

src/core/libraries/gnmdriver/gnmdriver.cpp

@@ -30,8 +30,26 @@ static inline u32* WriteTrailingNop(u32* cmdbuf) {
     return cmdbuf + data_block_size + 1 /* header */;
 }
 
-int PS4_SYSV_ABI sceGnmAddEqEvent() {
-    LOG_ERROR(Lib_GnmDriver, "(STUBBED) called");
+s32 PS4_SYSV_ABI sceGnmAddEqEvent(SceKernelEqueue eq, u64 id, void* udata) {
+    LOG_TRACE(Lib_GnmDriver, "called");
+    ASSERT_MSG(id == SceKernelEvent::Type::GfxEop);
+
+    if (!eq) {
+        return ORBIS_KERNEL_ERROR_EBADF;
+    }
+
+    EqueueEvent kernel_event{};
+    kernel_event.event.ident = id;
+    kernel_event.event.filter = EVFILT_GRAPHICS_CORE;
+    kernel_event.event.flags = 1;
+    kernel_event.event.fflags = 0;
+    kernel_event.event.data = id;
+    kernel_event.event.udata = udata;
+    eq->addEvent(kernel_event);
+
+    liverpool->eop_callback = [=]() {
+        eq->triggerEvent(SceKernelEvent::Type::GfxEop, EVFILT_GRAPHICS_CORE, nullptr);
+    };
     return ORBIS_OK;
 }
 
@@ -131,8 +149,15 @@ int PS4_SYSV_ABI sceGnmDebugHardwareStatus() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceGnmDeleteEqEvent() {
-    LOG_ERROR(Lib_GnmDriver, "(STUBBED) called");
+s32 PS4_SYSV_ABI sceGnmDeleteEqEvent(SceKernelEqueue eq, u64 id) {
+    LOG_TRACE(Lib_GnmDriver, "called");
+    ASSERT_MSG(id == SceKernelEvent::Type::GfxEop);
+
+    if (!eq) {
+        return ORBIS_KERNEL_ERROR_EBADF;
+    }
+
+    eq->removeEvent(id);
     return ORBIS_OK;
 }
 

src/core/libraries/gnmdriver/gnmdriver.h

@@ -4,6 +4,7 @@
 #pragma once
 
 #include "common/types.h"
+#include "core/libraries/kernel/event_queues.h"
 
 namespace Core::Loader {
 class SymbolsResolver;
@@ -11,7 +12,9 @@ class SymbolsResolver;
 
 namespace Libraries::GnmDriver {
 
-int PS4_SYSV_ABI sceGnmAddEqEvent();
+using namespace Kernel;
+
+s32 PS4_SYSV_ABI sceGnmAddEqEvent(SceKernelEqueue eq, u64 id, void* udata);
 int PS4_SYSV_ABI sceGnmAreSubmitsAllowed();
 int PS4_SYSV_ABI sceGnmBeginWorkload();
 s32 PS4_SYSV_ABI sceGnmComputeWaitOnAddress(u32* cmdbuf, u32 size, uintptr_t addr, u32 mask,
@@ -28,7 +31,7 @@ int PS4_SYSV_ABI sceGnmDebuggerSetAddressWatch();
 int PS4_SYSV_ABI sceGnmDebuggerWriteGds();
 int PS4_SYSV_ABI sceGnmDebuggerWriteSqIndirectRegister();
 int PS4_SYSV_ABI sceGnmDebugHardwareStatus();
-int PS4_SYSV_ABI sceGnmDeleteEqEvent();
+s32 PS4_SYSV_ABI sceGnmDeleteEqEvent(SceKernelEqueue eq, u64 id);
 int PS4_SYSV_ABI sceGnmDestroyWorkloadStream();
 int PS4_SYSV_ABI sceGnmDingDong();
 int PS4_SYSV_ABI sceGnmDingDongForWorkload();

src/core/libraries/kernel/event_queue.cpp

@@ -20,6 +20,14 @@ int EqueueInternal::addEvent(const EqueueEvent& event) {
     return 0;
 }
 
+int EqueueInternal::removeEvent(u64 id) {
+    const auto& event_q = std::find_if(m_events.cbegin(), m_events.cend(),
+                                    [id](auto& ev) { return ev.event.ident == id; });
+    ASSERT(event_q != m_events.cend());
+    m_events.erase(event_q);
+    return 0;
+}
+
 int EqueueInternal::waitForEvents(SceKernelEvent* ev, int num, u32 micros) {
     std::unique_lock lock{m_mutex};
     int ret = 0;

src/core/libraries/kernel/event_queue.h

@@ -42,11 +42,22 @@ using ResetFunc = void (*)(EqueueEvent* event);
 using DeleteFunc = void (*)(EqueueInternal* eq, EqueueEvent* event);
 
 struct SceKernelEvent {
+    enum Type : u64 {
+        Compute0RelMem = 0x00,
+        Compute1RelMem = 0x01,
+        Compute2RelMem = 0x02,
+        Compute3RelMem = 0x03,
+        Compute4RelMem = 0x04,
+        Compute5RelMem = 0x05,
+        Compute6RelMem = 0x06,
+        GfxEop = 0x40
+    };
+
     u64 ident = 0;  /* identifier for this event */
     s16 filter = 0; /* filter for event */
     u16 flags = 0;
     u32 fflags = 0;
-    s64 data = 0;
+    u64 data = 0;
     void* udata = nullptr; /* opaque user data identifier */
 };
 
@@ -80,6 +91,7 @@ public:
         this->m_name = m_name;
     }
     int addEvent(const EqueueEvent& event);
+    int removeEvent(u64 id);
     int waitForEvents(SceKernelEvent* ev, int num, u32 micros);
     bool triggerEvent(u64 ident, s16 filter, void* trigger_data);
     int getTriggeredEvents(SceKernelEvent* ev, int num);

src/video_core/amdgpu/liverpool.h

@@ -3,10 +3,12 @@
 
 #pragma once
 
-#include <array>
 #include "common/bit_field.h"
 #include "common/types.h"
 
+#include <array>
+#include <functional>
+
 namespace AmdGpu {
 
 #define GFX6_3D_REG_INDEX(field_name) (offsetof(AmdGpu::Liverpool::Regs, field_name) / sizeof(u32))
@@ -611,6 +613,8 @@ public:
     Liverpool();
 
     void ProcessCmdList(u32* cmdbuf, u32 size_in_bytes);
+
+    std::function<void(void)> eop_callback{};
 };
 
 static_assert(GFX6_3D_REG_INDEX(ps_program) == 0x2C08);