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Gpu: Mark areas as protected.

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This commit is contained in:
Fernando Sahmkow 2019-06-07 22:13:40 -04:00 committed by FernandoS27
parent a45643cb3b
commit eef55f493b
3 changed files with 19 additions and 0 deletions
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6
src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
View file

@ -60,10 +60,12 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
}
auto& gpu = Core::System::GetInstance().GPU();
gpu.Guard(true);
u32 current_syncpoint_value = gpu.GetSyncpointValue(params.syncpt_id);
if (current_syncpoint_value >= params.threshold) {
params.value = current_syncpoint_value;
std::memcpy(output.data(), &params, sizeof(params));
gpu.Guard(false);
return NvResult::Success;
}
@ -73,6 +75,7 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
if (params.timeout == 0) {
std::memcpy(output.data(), &params, sizeof(params));
gpu.Guard(false);
return NvResult::Timeout;
}
@ -81,6 +84,7 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
event_id = params.value & 0x00FF;
if (event_id >= 64) {
std::memcpy(output.data(), &params, sizeof(params));
gpu.Guard(false);
return NvResult::BadParameter;
}
} else {
@ -100,9 +104,11 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
params.value |= event_id;
gpu.RegisterEvent(event_id, params.syncpt_id, params.threshold);
std::memcpy(output.data(), &params, sizeof(params));
gpu.Guard(false);
return NvResult::Timeout;
}
std::memcpy(output.data(), &params, sizeof(params));
gpu.Guard(false);
return NvResult::BadParameter;
}

2
src/video_core/gpu.cpp
View file

@ -69,6 +69,7 @@ const DmaPusher& GPU::DmaPusher() const {
void GPU::IncrementSyncPoint(const u32 syncpoint_id) {
syncpoints[syncpoint_id]++;
sync_guard.lock();
if (!events[syncpoint_id].empty()) {
u32 value = syncpoints[syncpoint_id].load();
auto it = events[syncpoint_id].begin();
@ -81,6 +82,7 @@ void GPU::IncrementSyncPoint(const u32 syncpoint_id) {
it++;
}
}
sync_guard.unlock();
}
u32 GPU::GetSyncpointValue(const u32 syncpoint_id) const {

11
src/video_core/gpu.h
View file

@ -12,6 +12,7 @@
#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvflinger/buffer_queue.h"
#include "video_core/dma_pusher.h"
#include "common/spin_lock.h"
using CacheAddr = std::uintptr_t;
inline CacheAddr ToCacheAddr(const void* host_ptr) {
@ -175,6 +176,14 @@ public:
void CancelEvent(const u32 event_id, const u32 syncpoint_id, const u32 value);
void Guard(bool guard_set) {
if (guard_set) {
sync_guard.lock();
} else {
sync_guard.unlock();
}
}
/// Returns a const reference to the GPU DMA pusher.
const Tegra::DmaPusher& DmaPusher() const;
@ -287,6 +296,8 @@ private:
};
std::array<std::list<Event>, Service::Nvidia::MaxSyncPoints> events;
Common::SpinLock sync_guard{};
};
#define ASSERT_REG_POSITION(field_name, position) \