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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cinttypes>
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hle/service/nvdrv/devices/nvhost_as_gpu.h"
#include "core/hle/service/nvdrv/devices/nvmap.h"
namespace Service::Nvidia::Devices {
u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
LOG_DEBUG(Service_NVDRV, "called, command=0x%08x, input_size=0x%zx, output_size=0x%zx",
command.raw, input.size(), output.size());
switch (static_cast<IoctlCommand>(command.raw)) {
case IoctlCommand::IocInitalizeExCommand:
return InitalizeEx(input, output);
case IoctlCommand::IocAllocateSpaceCommand:
return AllocateSpace(input, output);
case IoctlCommand::IocMapBufferExCommand:
return MapBufferEx(input, output);
case IoctlCommand::IocBindChannelCommand:
return BindChannel(input, output);
case IoctlCommand::IocGetVaRegionsCommand:
return GetVARegions(input, output);
}
if (static_cast<IoctlCommand>(command.cmd.Value()) == IoctlCommand::IocRemapCommand)
return Remap(input, output);
UNIMPLEMENTED_MSG("Unimplemented ioctl command");
return 0;
}
u32 nvhost_as_gpu::InitalizeEx(const std::vector<u8>& input, std::vector<u8>& output) {
IoctlInitalizeEx params{};
std::memcpy(¶ms, input.data(), input.size());
LOG_WARNING(Service_NVDRV, "(STUBBED) called, big_page_size=0x%x", params.big_page_size);
std::memcpy(output.data(), ¶ms, output.size());
return 0;
}
u32 nvhost_as_gpu::AllocateSpace(const std::vector<u8>& input, std::vector<u8>& output) {
IoctlAllocSpace params{};
std::memcpy(¶ms, 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 = Core::System::GetInstance().GPU();
const u64 size{static_cast<u64>(params.pages) * static_cast<u64>(params.page_size)};
if (params.flags & 1) {
params.offset = gpu.memory_manager->AllocateSpace(params.offset, size, 1);
} else {
params.offset = gpu.memory_manager->AllocateSpace(size, params.align);
}
std::memcpy(output.data(), ¶ms, output.size());
return 0;
}
u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output) {
size_t num_entries = input.size() / sizeof(IoctlRemapEntry);
NGLOG_WARNING(Service_NVDRV, "(STUBBED) called, num_entries=0x{:X}", num_entries);
std::vector<IoctlRemapEntry> entries(num_entries);
std::memcpy(entries.data(), input.data(), input.size());
auto& gpu = Core::System::GetInstance().GPU();
for (const auto& entry : entries) {
NGLOG_WARNING(Service_NVDRV, "remap entry, offset=0x{:X} handle=0x{:X} pages=0x{:X}",
entry.offset, entry.nvmap_handle, entry.pages);
Tegra::GPUVAddr offset = static_cast<Tegra::GPUVAddr>(entry.offset) << 0x10;
auto object = nvmap_dev->GetObject(entry.nvmap_handle);
ASSERT(object);
ASSERT(object->status == nvmap::Object::Status::Allocated);
u64 size = static_cast<u64>(entry.pages) << 0x10;
ASSERT(size <= object->size);
Tegra::GPUVAddr returned = gpu.memory_manager->MapBufferEx(object->addr, offset, size);
ASSERT(returned == offset);
}
std::memcpy(output.data(), entries.data(), output.size());
return 0;
}
u32 nvhost_as_gpu::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
IoctlMapBufferEx params{};
std::memcpy(¶ms, input.data(), input.size());
LOG_DEBUG(Service_NVDRV,
"called, flags=%x, nvmap_handle=%x, buffer_offset=%" PRIu64 ", mapping_size=%" PRIu64
", offset=%" PRIu64,
params.flags, params.nvmap_handle, params.buffer_offset, params.mapping_size,
params.offset);
if (!params.nvmap_handle) {
return 0;
}
auto object = nvmap_dev->GetObject(params.nvmap_handle);
ASSERT(object);
auto& gpu = Core::System::GetInstance().GPU();
if (params.flags & 1) {
params.offset = gpu.memory_manager->MapBufferEx(object->addr, params.offset, object->size);
} else {
params.offset = gpu.memory_manager->MapBufferEx(object->addr, object->size);
}
std::memcpy(output.data(), ¶ms, output.size());
return 0;
}
u32 nvhost_as_gpu::BindChannel(const std::vector<u8>& input, std::vector<u8>& output) {
IoctlBindChannel params{};
std::memcpy(¶ms, input.data(), input.size());
LOG_DEBUG(Service_NVDRV, "called, fd=%x", params.fd);
channel = params.fd;
std::memcpy(output.data(), ¶ms, output.size());
return 0;
}
u32 nvhost_as_gpu::GetVARegions(const std::vector<u8>& input, std::vector<u8>& output) {
IoctlGetVaRegions params{};
std::memcpy(¶ms, input.data(), input.size());
LOG_WARNING(Service_NVDRV, "(STUBBED) called, buf_addr=%" PRIu64 ", buf_size=%x",
params.buf_addr, params.buf_size);
params.buf_size = 0x30;
params.regions[0].offset = 0x04000000;
params.regions[0].page_size = 0x1000;
params.regions[0].pages = 0x3fbfff;
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(), ¶ms, output.size());
return 0;
}
} // namespace Service::Nvidia::Devices
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