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Merge pull request #4783 from bunnei/nvdrv-freespace

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hle: service: nvdrv: Implement nvhost_as_gpu::FreeSpace.
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bunnei 2020-10-18 12:41:18 -07:00 committed by GitHub
commit 54b977acaa
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2 changed files with 25 additions and 0 deletions
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16
src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
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@ -46,6 +46,8 @@ u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, const std:
return GetVARegions(input, output);
case IoctlCommand::IocUnmapBufferCommand:
return UnmapBuffer(input, output);
case IoctlCommand::IocFreeSpaceCommand:
return FreeSpace(input, output);
default:
break;
}
@ -91,6 +93,20 @@ u32 nvhost_as_gpu::AllocateSpace(const std::vector<u8>& input, std::vector<u8>&
return result;
}
u32 nvhost_as_gpu::FreeSpace(const std::vector<u8>& input, std::vector<u8>& output) {
IoctlFreeSpace params{};
std::memcpy(&params, input.data(), input.size());
LOG_DEBUG(Service_NVDRV, "called, offset={:X}, pages={:X}, page_size={:X}", params.offset,
params.pages, params.page_size);
system.GPU().MemoryManager().Unmap(params.offset,
static_cast<std::size_t>(params.pages) * params.page_size);
std::memcpy(output.data(), &params, output.size());
return NvErrCodes::Success;
}
u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output) {
const auto num_entries = input.size() / sizeof(IoctlRemapEntry);

9
src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h
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@ -82,6 +82,7 @@ private:
IocBindChannelCommand = 0x40044101,
IocGetVaRegionsCommand = 0xC0404108,
IocUnmapBufferCommand = 0xC0084105,
IocFreeSpaceCommand = 0xC0104103,
};
struct IoctlInitalizeEx {
@ -107,6 +108,13 @@ private:
};
static_assert(sizeof(IoctlAllocSpace) == 24, "IoctlInitalizeEx is incorrect size");
struct IoctlFreeSpace {
u64_le offset;
u32_le pages;
u32_le page_size;
};
static_assert(sizeof(IoctlFreeSpace) == 16, "IoctlFreeSpace is incorrect size");
struct IoctlRemapEntry {
u16_le flags;
u16_le kind;
@ -162,6 +170,7 @@ private:
u32 Remap(const std::vector<u8>& input, std::vector<u8>& output);
u32 MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
u32 UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
u32 FreeSpace(const std::vector<u8>& input, std::vector<u8>& output);
u32 BindChannel(const std::vector<u8>& input, std::vector<u8>& output);
u32 GetVARegions(const std::vector<u8>& input, std::vector<u8>& output);