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hle: service: nvdrv: Implement nvhost_as_gpu::FreeSpace.
- This is used by Super Mario 3D All-Stars.
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@ -46,6 +46,8 @@ u32 nvhost_as_gpu::ioctl(Ioctl command, const std::vector<u8>& input, const std:
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return GetVARegions(input, output);
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case IoctlCommand::IocUnmapBufferCommand:
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return UnmapBuffer(input, output);
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case IoctlCommand::IocFreeSpaceCommand:
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return FreeSpace(input, output);
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default:
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break;
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}
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@ -91,6 +93,20 @@ u32 nvhost_as_gpu::AllocateSpace(const std::vector<u8>& input, std::vector<u8>&
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return result;
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}
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u32 nvhost_as_gpu::FreeSpace(const std::vector<u8>& input, std::vector<u8>& output) {
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IoctlFreeSpace params{};
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std::memcpy(¶ms, input.data(), input.size());
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LOG_DEBUG(Service_NVDRV, "called, offset={:X}, pages={:X}, page_size={:X}", params.offset,
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params.pages, params.page_size);
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system.GPU().MemoryManager().Unmap(params.offset,
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static_cast<std::size_t>(params.pages) * params.page_size);
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std::memcpy(output.data(), ¶ms, output.size());
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return NvErrCodes::Success;
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}
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u32 nvhost_as_gpu::Remap(const std::vector<u8>& input, std::vector<u8>& output) {
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const auto num_entries = input.size() / sizeof(IoctlRemapEntry);
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@ -82,6 +82,7 @@ private:
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IocBindChannelCommand = 0x40044101,
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IocGetVaRegionsCommand = 0xC0404108,
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IocUnmapBufferCommand = 0xC0084105,
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IocFreeSpaceCommand = 0xC0104103,
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};
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struct IoctlInitalizeEx {
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@ -107,6 +108,13 @@ private:
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};
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static_assert(sizeof(IoctlAllocSpace) == 24, "IoctlInitalizeEx is incorrect size");
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struct IoctlFreeSpace {
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u64_le offset;
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u32_le pages;
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u32_le page_size;
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};
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static_assert(sizeof(IoctlFreeSpace) == 16, "IoctlFreeSpace is incorrect size");
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struct IoctlRemapEntry {
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u16_le flags;
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u16_le kind;
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@ -162,6 +170,7 @@ private:
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u32 Remap(const std::vector<u8>& input, std::vector<u8>& output);
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u32 MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
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u32 UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
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u32 FreeSpace(const std::vector<u8>& input, std::vector<u8>& output);
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u32 BindChannel(const std::vector<u8>& input, std::vector<u8>& output);
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u32 GetVARegions(const std::vector<u8>& input, std::vector<u8>& output);
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