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author | Subv <subv2112@gmail.com> | 2018-05-20 21:23:49 +0200 |
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committer | Subv <subv2112@gmail.com> | 2018-05-20 21:25:57 +0200 |
commit | 525492428d3b1ccbe2096944a7525b242d4c9e7b (patch) | |
tree | d80f659bdafec951221326e58b0a3aeb02bd349b /src/core/hle/service/nvdrv/devices/nvmap.cpp | |
parent | GPU: Implemented nvhost-as-gpu's UnmapBuffer ioctl. (diff) | |
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Diffstat (limited to 'src/core/hle/service/nvdrv/devices/nvmap.cpp')
-rw-r--r-- | src/core/hle/service/nvdrv/devices/nvmap.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.cpp b/src/core/hle/service/nvdrv/devices/nvmap.cpp index 8d883209f..d66fb3a9c 100644 --- a/src/core/hle/service/nvdrv/devices/nvmap.cpp +++ b/src/core/hle/service/nvdrv/devices/nvmap.cpp @@ -30,6 +30,8 @@ u32 nvmap::ioctl(Ioctl command, const std::vector<u8>& input, std::vector<u8>& o return IocFromId(input, output); case IoctlCommand::Param: return IocParam(input, output); + case IoctlCommand::Free: + return IocFree(input, output); } UNIMPLEMENTED_MSG("Unimplemented ioctl"); @@ -45,6 +47,7 @@ u32 nvmap::IocCreate(const std::vector<u8>& input, std::vector<u8>& output) { 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); @@ -101,6 +104,8 @@ u32 nvmap::IocFromId(const std::vector<u8>& input, std::vector<u8>& output) { [&](const auto& entry) { return entry.second->id == params.id; }); ASSERT(itr != handles.end()); + itr->second->refcount++; + // Return the existing handle instead of creating a new one. params.handle = itr->first; @@ -142,4 +147,34 @@ u32 nvmap::IocParam(const std::vector<u8>& input, std::vector<u8>& output) { return 0; } +u32 nvmap::IocFree(const std::vector<u8>& input, std::vector<u8>& output) { + enum FreeFlags { + Freed = 0, + NotFreedYet = 1, + }; + + IocFreeParams params; + std::memcpy(¶ms, input.data(), sizeof(params)); + + NGLOG_WARNING(Service_NVDRV, "(STUBBED) called"); + + auto itr = handles.find(params.handle); + ASSERT(itr != handles.end()); + + itr->second->refcount--; + + params.refcount = itr->second->refcount; + params.size = itr->second->size; + + if (itr->second->refcount == 0) + params.flags = Freed; + else + params.flags = NotFreedYet; + + handles.erase(params.handle); + + std::memcpy(output.data(), ¶ms, sizeof(params)); + return 0; +} + } // namespace Service::Nvidia::Devices |