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-rw-r--r--src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp202
-rw-r--r--src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h79
-rw-r--r--src/core/hle/service/nvdrv/devices/nvmap.cpp33
-rw-r--r--src/core/hle/service/nvdrv/devices/nvmap.h6
4 files changed, 227 insertions, 93 deletions
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
index 195421cc0..d4ba88147 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
@@ -16,11 +16,12 @@
#include "video_core/renderer_base.h"
namespace Service::Nvidia::Devices {
+
namespace NvErrCodes {
-enum {
- InvalidNmapHandle = -22,
-};
-}
+constexpr u32 Success{};
+constexpr u32 OutOfMemory{static_cast<u32>(-12)};
+constexpr u32 InvalidInput{static_cast<u32>(-22)};
+} // namespace NvErrCodes
nvhost_as_gpu::nvhost_as_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev)
: nvdevice(system), nvmap_dev(std::move(nvmap_dev)) {}
@@ -49,8 +50,9 @@ u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, const std:
break;
}
- if (static_cast<IoctlCommand>(command.cmd.Value()) == IoctlCommand::IocRemapCommand)
+ if (static_cast<IoctlCommand>(command.cmd.Value()) == IoctlCommand::IocRemapCommand) {
return Remap(input, output);
+ }
UNIMPLEMENTED_MSG("Unimplemented ioctl command");
return 0;
@@ -59,6 +61,7 @@ u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, const std:
u32 nvhost_as_gpu::InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output) {
IoctlInitalizeEx params{};
std::memcpy(&params, input.data(), input.size());
+
LOG_WARNING(Service_NVDRV, "(STUBBED) called, big_page_size=0x{:X}", params.big_page_size);
return 0;
@@ -67,53 +70,61 @@ u32 nvhost_as_gpu::InitalizeEx(const std::vector<u8>& input, std::vector<u8>& ou
u32 nvhost_as_gpu::AllocateSpace(const std::vector<u8>& input, std::vector<u8>& output) {
IoctlAllocSpace params{};
std::memcpy(&params, input.data(), input.size());
+
LOG_DEBUG(Service_NVDRV, "called, pages={:X}, page_size={:X}, flags={:X}", params.pages,
params.page_size, params.flags);
- auto& gpu = system.GPU();
- const u64 size{static_cast<u64>(params.pages) * static_cast<u64>(params.page_size)};
- if (params.flags & 1) {
- params.offset = gpu.MemoryManager().AllocateSpace(params.offset, size, 1);
+ const auto size{static_cast<u64>(params.pages) * static_cast<u64>(params.page_size)};
+ if ((params.flags & AddressSpaceFlags::FixedOffset) != AddressSpaceFlags::None) {
+ params.offset = *system.GPU().MemoryManager().AllocateFixed(params.offset, size);
} else {
- params.offset = gpu.MemoryManager().AllocateSpace(size, params.align);
+ params.offset = system.GPU().MemoryManager().Allocate(size, params.align);
+ }
+
+ auto result{NvErrCodes::Success};
+ if (!params.offset) {
+ LOG_CRITICAL(Service_NVDRV, "allocation failed for size {}", size);
+ result = NvErrCodes::OutOfMemory;
}
std::memcpy(output.data(), &params, output.size());
- return 0;
+ return result;
}
u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output) {
- std::size_t num_entries = input.size() / sizeof(IoctlRemapEntry);
+ const auto num_entries = input.size() / sizeof(IoctlRemapEntry);
- LOG_WARNING(Service_NVDRV, "(STUBBED) called, num_entries=0x{:X}", num_entries);
+ LOG_DEBUG(Service_NVDRV, "called, num_entries=0x{:X}", num_entries);
+ auto result{NvErrCodes::Success};
std::vector<IoctlRemapEntry> entries(num_entries);
std::memcpy(entries.data(), input.data(), input.size());
- auto& gpu = system.GPU();
for (const auto& entry : entries) {
- LOG_WARNING(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}",
- entry.offset, entry.nvmap_handle, entry.pages);
- GPUVAddr offset = static_cast<GPUVAddr>(entry.offset) << 0x10;
- auto object = nvmap_dev->GetObject(entry.nvmap_handle);
+ LOG_DEBUG(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}",
+ entry.offset, entry.nvmap_handle, entry.pages);
+
+ const auto object{nvmap_dev->GetObject(entry.nvmap_handle)};
if (!object) {
- LOG_CRITICAL(Service_NVDRV, "nvmap {} is an invalid handle!", entry.nvmap_handle);
- std::memcpy(output.data(), entries.data(), output.size());
- return static_cast<u32>(NvErrCodes::InvalidNmapHandle);
+ LOG_CRITICAL(Service_NVDRV, "invalid nvmap_handle={:X}", entry.nvmap_handle);
+ result = NvErrCodes::InvalidInput;
+ break;
}
- ASSERT(object->status == nvmap::Object::Status::Allocated);
+ const auto offset{static_cast<GPUVAddr>(entry.offset) << 0x10};
+ const auto size{static_cast<u64>(entry.pages) << 0x10};
+ const auto map_offset{static_cast<u64>(entry.map_offset) << 0x10};
+ const auto addr{system.GPU().MemoryManager().Map(object->addr + map_offset, offset, size)};
- const u64 size = static_cast<u64>(entry.pages) << 0x10;
- ASSERT(size <= object->size);
- const u64 map_offset = static_cast<u64>(entry.map_offset) << 0x10;
-
- const GPUVAddr returned =
- gpu.MemoryManager().MapBufferEx(object->addr + map_offset, offset, size);
- ASSERT(returned == offset);
+ if (!addr) {
+ LOG_CRITICAL(Service_NVDRV, "map returned an invalid address!");
+ result = NvErrCodes::InvalidInput;
+ break;
+ }
}
+
std::memcpy(output.data(), entries.data(), output.size());
- return 0;
+ return result;
}
u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
@@ -126,44 +137,76 @@ u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& ou
params.flags, params.nvmap_handle, params.buffer_offset, params.mapping_size,
params.offset);
- if (!params.nvmap_handle) {
- return 0;
+ const auto object{nvmap_dev->GetObject(params.nvmap_handle)};
+ if (!object) {
+ LOG_CRITICAL(Service_NVDRV, "invalid nvmap_handle={:X}", params.nvmap_handle);
+ std::memcpy(output.data(), &params, output.size());
+ return NvErrCodes::InvalidInput;
}
- auto object = nvmap_dev->GetObject(params.nvmap_handle);
- ASSERT(object);
-
- // We can only map objects that have already been assigned a CPU address.
- ASSERT(object->status == nvmap::Object::Status::Allocated);
-
- ASSERT(params.buffer_offset == 0);
-
// The real nvservices doesn't make a distinction between handles and ids, and
// object can only have one handle and it will be the same as its id. Assert that this is the
// case to prevent unexpected behavior.
ASSERT(object->id == params.nvmap_handle);
-
auto& gpu = system.GPU();
- if (params.flags & 1) {
- params.offset = gpu.MemoryManager().MapBufferEx(object->addr, params.offset, object->size);
- } else {
- params.offset = gpu.MemoryManager().MapBufferEx(object->addr, object->size);
+ u64 page_size{params.page_size};
+ if (!page_size) {
+ page_size = object->align;
+ }
+
+ if ((params.flags & AddressSpaceFlags::Remap) != AddressSpaceFlags::None) {
+ if (const auto buffer_map{FindBufferMap(params.offset)}; buffer_map) {
+ const auto cpu_addr{static_cast<VAddr>(buffer_map->CpuAddr() + params.buffer_offset)};
+ const auto gpu_addr{static_cast<GPUVAddr>(params.offset + params.buffer_offset)};
+
+ if (!gpu.MemoryManager().Map(cpu_addr, gpu_addr, params.mapping_size)) {
+ LOG_CRITICAL(Service_NVDRV,
+ "remap failed, flags={:X}, nvmap_handle={:X}, buffer_offset={}, "
+ "mapping_size = {}, offset={}",
+ params.flags, params.nvmap_handle, params.buffer_offset,
+ params.mapping_size, params.offset);
+
+ std::memcpy(output.data(), &params, output.size());
+ return NvErrCodes::InvalidInput;
+ }
+
+ std::memcpy(output.data(), &params, output.size());
+ return NvErrCodes::Success;
+ } else {
+ LOG_CRITICAL(Service_NVDRV, "address not mapped offset={}", params.offset);
+
+ std::memcpy(output.data(), &params, output.size());
+ return NvErrCodes::InvalidInput;
+ }
}
- // Create a new mapping entry for this operation.
- ASSERT_MSG(buffer_mappings.find(params.offset) == buffer_mappings.end(),
- "Offset is already mapped");
+ // We can only map objects that have already been assigned a CPU address.
+ ASSERT(object->status == nvmap::Object::Status::Allocated);
+
+ const auto physical_address{object->addr + params.buffer_offset};
+ u64 size{params.mapping_size};
+ if (!size) {
+ size = object->size;
+ }
- BufferMapping mapping{};
- mapping.nvmap_handle = params.nvmap_handle;
- mapping.offset = params.offset;
- mapping.size = object->size;
+ const bool is_alloc{(params.flags & AddressSpaceFlags::FixedOffset) == AddressSpaceFlags::None};
+ if (is_alloc) {
+ params.offset = gpu.MemoryManager().MapAllocate(physical_address, size, page_size);
+ } else {
+ params.offset = gpu.MemoryManager().Map(physical_address, params.offset, size);
+ }
- buffer_mappings[params.offset] = mapping;
+ auto result{NvErrCodes::Success};
+ if (!params.offset) {
+ LOG_CRITICAL(Service_NVDRV, "failed to map size={}", size);
+ result = NvErrCodes::InvalidInput;
+ } else {
+ AddBufferMap(params.offset, size, physical_address, is_alloc);
+ }
std::memcpy(output.data(), &params, output.size());
- return 0;
+ return result;
}
u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
@@ -172,24 +215,20 @@ u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& ou
LOG_DEBUG(Service_NVDRV, "called, offset=0x{:X}", params.offset);
- const auto itr = buffer_mappings.find(params.offset);
- if (itr == buffer_mappings.end()) {
- LOG_WARNING(Service_NVDRV, "Tried to unmap an invalid offset 0x{:X}", params.offset);
- // Hardware tests shows that unmapping an already unmapped buffer always returns successful
- // and doesn't fail.
- return 0;
+ if (const auto size{RemoveBufferMap(params.offset)}; size) {
+ system.GPU().MemoryManager().Unmap(params.offset, *size);
+ } else {
+ LOG_ERROR(Service_NVDRV, "invalid offset=0x{:X}", params.offset);
}
- params.offset = system.GPU().MemoryManager().UnmapBuffer(params.offset, itr->second.size);
- buffer_mappings.erase(itr->second.offset);
-
std::memcpy(output.data(), &params, output.size());
- return 0;
+ return NvErrCodes::Success;
}
u32 nvhost_as_gpu::BindChannel(const std::vector<u8>& input, std::vector<u8>& output) {
IoctlBindChannel params{};
std::memcpy(&params, input.data(), input.size());
+
LOG_DEBUG(Service_NVDRV, "called, fd={:X}", params.fd);
channel = params.fd;
@@ -199,6 +238,7 @@ u32 nvhost_as_gpu::BindChannel(const std::vector<u8>& input, std::vector<u8>& ou
u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& output) {
IoctlGetVaRegions params{};
std::memcpy(&params, input.data(), input.size());
+
LOG_WARNING(Service_NVDRV, "(STUBBED) called, buf_addr={:X}, buf_size={:X}", params.buf_addr,
params.buf_size);
@@ -210,9 +250,43 @@ u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& o
params.regions[1].offset = 0x04000000;
params.regions[1].page_size = 0x10000;
params.regions[1].pages = 0x1bffff;
+
// TODO(ogniK): This probably can stay stubbed but should add support way way later
+
std::memcpy(output.data(), &params, output.size());
return 0;
}
+std::optional<nvhost_as_gpu::BufferMap> nvhost_as_gpu::FindBufferMap(GPUVAddr gpu_addr) const {
+ const auto end{buffer_mappings.upper_bound(gpu_addr)};
+ for (auto iter{buffer_mappings.begin()}; iter != end; ++iter) {
+ if (gpu_addr >= iter->second.StartAddr() && gpu_addr < iter->second.EndAddr()) {
+ return iter->second;
+ }
+ }
+
+ return {};
+}
+
+void nvhost_as_gpu::AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr,
+ bool is_allocated) {
+ buffer_mappings[gpu_addr] = {gpu_addr, size, cpu_addr, is_allocated};
+}
+
+std::optional<std::size_t> nvhost_as_gpu::RemoveBufferMap(GPUVAddr gpu_addr) {
+ if (const auto iter{buffer_mappings.find(gpu_addr)}; iter != buffer_mappings.end()) {
+ std::size_t size{};
+
+ if (iter->second.IsAllocated()) {
+ size = iter->second.Size();
+ }
+
+ buffer_mappings.erase(iter);
+
+ return size;
+ }
+
+ return {};
+}
+
} // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h
index f79fcc065..9a0cdff0c 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h
+++ b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h
@@ -4,9 +4,12 @@
#pragma once
+#include <map>
#include <memory>
-#include <unordered_map>
+#include <optional>
#include <vector>
+
+#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/hle/service/nvdrv/devices/nvdevice.h"
@@ -15,6 +18,13 @@ namespace Service::Nvidia::Devices {
class nvmap;
+enum class AddressSpaceFlags : u32 {
+ None = 0x0,
+ FixedOffset = 0x1,
+ Remap = 0x100,
+};
+DECLARE_ENUM_FLAG_OPERATORS(AddressSpaceFlags);
+
class nvhost_as_gpu final : public nvdevice {
public:
explicit nvhost_as_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
@@ -25,6 +35,45 @@ public:
IoctlVersion version) override;
private:
+ class BufferMap final {
+ public:
+ constexpr BufferMap() = default;
+
+ constexpr BufferMap(GPUVAddr start_addr, std::size_t size)
+ : start_addr{start_addr}, end_addr{start_addr + size} {}
+
+ constexpr BufferMap(GPUVAddr start_addr, std::size_t size, VAddr cpu_addr,
+ bool is_allocated)
+ : start_addr{start_addr}, end_addr{start_addr + size}, cpu_addr{cpu_addr},
+ is_allocated{is_allocated} {}
+
+ constexpr VAddr StartAddr() const {
+ return start_addr;
+ }
+
+ constexpr VAddr EndAddr() const {
+ return end_addr;
+ }
+
+ constexpr std::size_t Size() const {
+ return end_addr - start_addr;
+ }
+
+ constexpr VAddr CpuAddr() const {
+ return cpu_addr;
+ }
+
+ constexpr bool IsAllocated() const {
+ return is_allocated;
+ }
+
+ private:
+ GPUVAddr start_addr{};
+ GPUVAddr end_addr{};
+ VAddr cpu_addr{};
+ bool is_allocated{};
+ };
+
enum class IoctlCommand : u32_le {
IocInitalizeExCommand = 0x40284109,
IocAllocateSpaceCommand = 0xC0184102,
@@ -49,7 +98,7 @@ private:
struct IoctlAllocSpace {
u32_le pages;
u32_le page_size;
- u32_le flags;
+ AddressSpaceFlags flags;
INSERT_PADDING_WORDS(1);
union {
u64_le offset;
@@ -69,18 +118,18 @@ private:
static_assert(sizeof(IoctlRemapEntry) == 20, "IoctlRemapEntry is incorrect size");
struct IoctlMapBufferEx {
- u32_le flags; // bit0: fixed_offset, bit2: cacheable
- u32_le kind; // -1 is default
+ AddressSpaceFlags flags; // bit0: fixed_offset, bit2: cacheable
+ u32_le kind; // -1 is default
u32_le nvmap_handle;
u32_le page_size; // 0 means don't care
- u64_le buffer_offset;
+ s64_le buffer_offset;
u64_le mapping_size;
- u64_le offset;
+ s64_le offset;
};
static_assert(sizeof(IoctlMapBufferEx) == 40, "IoctlMapBufferEx is incorrect size");
struct IoctlUnmapBuffer {
- u64_le offset;
+ s64_le offset;
};
static_assert(sizeof(IoctlUnmapBuffer) == 8, "IoctlUnmapBuffer is incorrect size");
@@ -106,15 +155,6 @@ private:
static_assert(sizeof(IoctlGetVaRegions) == 16 + sizeof(IoctlVaRegion) * 2,
"IoctlGetVaRegions is incorrect size");
- struct BufferMapping {
- u64 offset;
- u64 size;
- u32 nvmap_handle;
- };
-
- /// Map containing the nvmap object mappings in GPU memory.
- std::unordered_map<u64, BufferMapping> buffer_mappings;
-
u32 channel{};
u32 InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output);
@@ -125,7 +165,14 @@ private:
u32 BindChannel(const std::vector<u8>& input, std::vector<u8>& output);
u32 GetVARegions(const std::vector<u8>& input, std::vector<u8>& output);
+ std::optional<BufferMap> FindBufferMap(GPUVAddr gpu_addr) const;
+ void AddBufferMap(GPUVAddr gpu_addr, std::size_t size, VAddr cpu_addr, bool is_allocated);
+ std::optional<std::size_t> RemoveBufferMap(GPUVAddr gpu_addr);
+
std::shared_ptr<nvmap> nvmap_dev;
+
+ // This is expected to be ordered, therefore we must use a map, not unordered_map
+ std::map<GPUVAddr, BufferMap> buffer_mappings;
};
} // namespace Service::Nvidia::Devices
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.cpp b/src/core/hle/service/nvdrv/devices/nvmap.cpp
index 8c742316c..9436e16ad 100644
--- a/src/core/hle/service/nvdrv/devices/nvmap.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvmap.cpp
@@ -18,7 +18,12 @@ enum {
};
}
-nvmap::nvmap(Core::System& system) : nvdevice(system) {}
+nvmap::nvmap(Core::System& system) : nvdevice(system) {
+ // Handle 0 appears to be used when remapping, so we create a placeholder empty nvmap object to
+ // represent this.
+ CreateObject(0);
+}
+
nvmap::~nvmap() = default;
VAddr nvmap::GetObjectAddress(u32 handle) const {
@@ -50,6 +55,21 @@ u32 nvmap::ioctl(Ioctl command, const std::vector<u8>& input, const std::vector<
return 0;
}
+u32 nvmap::CreateObject(u32 size) {
+ // Create a new nvmap object and obtain a handle to it.
+ auto object = std::make_shared<Object>();
+ object->id = next_id++;
+ object->size = size;
+ object->status = Object::Status::Created;
+ object->refcount = 1;
+
+ const u32 handle = next_handle++;
+
+ handles.insert_or_assign(handle, std::move(object));
+
+ return handle;
+}
+
u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
IocCreateParams params;
std::memcpy(&params, input.data(), sizeof(params));
@@ -59,17 +79,8 @@ u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) {
LOG_ERROR(Service_NVDRV, "Size is 0");
return static_cast<u32>(NvErrCodes::InvalidValue);
}
- // Create a new nvmap object and obtain a handle to it.
- auto object = std::make_shared<Object>();
- object->id = next_id++;
- object->size = params.size;
- object->status = Object::Status::Created;
- object->refcount = 1;
-
- u32 handle = next_handle++;
- handles[handle] = std::move(object);
- params.handle = handle;
+ params.handle = CreateObject(params.size);
std::memcpy(output.data(), &params, sizeof(params));
return 0;
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.h b/src/core/hle/service/nvdrv/devices/nvmap.h
index 73c2e8809..84624be00 100644
--- a/src/core/hle/service/nvdrv/devices/nvmap.h
+++ b/src/core/hle/service/nvdrv/devices/nvmap.h
@@ -49,10 +49,10 @@ public:
private:
/// Id to use for the next handle that is created.
- u32 next_handle = 1;
+ u32 next_handle = 0;
/// Id to use for the next object that is created.
- u32 next_id = 1;
+ u32 next_id = 0;
/// Mapping of currently allocated handles to the objects they represent.
std::unordered_map<u32, std::shared_ptr<Object>> handles;
@@ -119,6 +119,8 @@ private:
};
static_assert(sizeof(IocGetIdParams) == 8, "IocGetIdParams has wrong size");
+ u32 CreateObject(u32 size);
+
u32 IocCreate(const std::vector<u8>& input, std::vector<u8>& output);
u32 IocAlloc(const std::vector<u8>& input, std::vector<u8>& output);
u32 IocGetId(const std::vector<u8>& input, std::vector<u8>& output);