mirror of
https://github.com/yuzu-emu/yuzu.git
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Merge pull request #28 from bunnei/shared-memory
Shared memory - adds preliminary support for shared memory kernel objects and correct block mapping.
This commit is contained in:
commit
6084084a5d
@ -38,6 +38,7 @@ set(SRCS core.cpp
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hle/kernel/event.cpp
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hle/kernel/kernel.cpp
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hle/kernel/mutex.cpp
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hle/kernel/shared_memory.cpp
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hle/kernel/thread.cpp
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hle/service/apt.cpp
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hle/service/fs.cpp
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@ -85,6 +86,7 @@ set(HEADERS core.h
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hle/kernel/archive.h
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hle/kernel/kernel.h
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hle/kernel/mutex.h
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hle/kernel/shared_memory.h
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hle/kernel/thread.h
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hle/function_wrappers.h
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hle/service/apt.h
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@ -170,6 +170,7 @@
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<ClCompile Include="hle\kernel\event.cpp" />
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<ClCompile Include="hle\kernel\kernel.cpp" />
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<ClCompile Include="hle\kernel\mutex.cpp" />
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<ClCompile Include="hle\kernel\shared_memory.cpp" />
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<ClCompile Include="hle\kernel\thread.cpp" />
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<ClCompile Include="hle\service\apt.cpp" />
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<ClCompile Include="hle\service\fs.cpp" />
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@ -222,6 +223,7 @@
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<ClInclude Include="hle\kernel\event.h" />
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<ClInclude Include="hle\kernel\kernel.h" />
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<ClInclude Include="hle\kernel\mutex.h" />
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<ClInclude Include="hle\kernel\shared_memory.h" />
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<ClInclude Include="hle\kernel\thread.h" />
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<ClInclude Include="hle\service\apt.h" />
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<ClInclude Include="hle\service\fs.h" />
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@ -179,6 +179,9 @@
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<ClCompile Include="file_sys\archive_romfs.cpp">
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<Filter>file_sys</Filter>
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</ClCompile>
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<ClCompile Include="hle\kernel\shared_memory.cpp">
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<Filter>hle\kernel</Filter>
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</ClCompile>
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="arm\disassembler\arm_disasm.h">
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@ -320,6 +323,9 @@
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<ClInclude Include="file_sys\archive_romfs.h">
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<Filter>file_sys</Filter>
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</ClInclude>
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<ClInclude Include="hle\kernel\shared_memory.h">
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<Filter>hle\kernel</Filter>
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</ClInclude>
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</ItemGroup>
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<ItemGroup>
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<Text Include="CMakeLists.txt" />
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105
src/core/hle/kernel/shared_memory.cpp
Normal file
105
src/core/hle/kernel/shared_memory.cpp
Normal file
@ -0,0 +1,105 @@
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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "common/common.h"
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#include "core/mem_map.h"
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#include "core/hle/kernel/shared_memory.h"
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namespace Kernel {
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class SharedMemory : public Object {
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public:
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const char* GetTypeName() const { return "SharedMemory"; }
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static Kernel::HandleType GetStaticHandleType() { return Kernel::HandleType::SharedMemory; }
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Kernel::HandleType GetHandleType() const { return Kernel::HandleType::SharedMemory; }
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/**
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* Wait for kernel object to synchronize
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* @param wait Boolean wait set if current thread should wait as a result of sync operation
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* @return Result of operation, 0 on success, otherwise error code
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*/
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Result WaitSynchronization(bool* wait) {
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// TODO(bunnei): ImplementMe
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ERROR_LOG(OSHLE, "(UNIMPLEMENTED)");
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return 0;
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}
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u32 base_address; ///< Address of shared memory block in RAM
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MemoryPermission permissions; ///< Permissions of shared memory block (SVC field)
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MemoryPermission other_permissions; ///< Other permissions of shared memory block (SVC field)
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std::string name; ///< Name of shared memory object (optional)
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Creates a shared memory object
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* @param handle Handle of newly created shared memory object
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* @param name Name of shared memory object
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* @return Pointer to newly created shared memory object
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*/
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SharedMemory* CreateSharedMemory(Handle& handle, const std::string& name) {
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SharedMemory* shared_memory = new SharedMemory;
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handle = Kernel::g_object_pool.Create(shared_memory);
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shared_memory->name = name;
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return shared_memory;
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}
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/**
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* Creates a shared memory object
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* @param name Optional name of shared memory object
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* @return Handle of newly created shared memory object
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*/
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Handle CreateSharedMemory(const std::string& name) {
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Handle handle;
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CreateSharedMemory(handle, name);
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return handle;
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}
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/**
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* Maps a shared memory block to an address in system memory
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* @param handle Shared memory block handle
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* @param address Address in system memory to map shared memory block to
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* @param permissions Memory block map permissions (specified by SVC field)
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* @param other_permissions Memory block map other permissions (specified by SVC field)
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* @return Result of operation, 0 on success, otherwise error code
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*/
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Result MapSharedMemory(u32 handle, u32 address, MemoryPermission permissions,
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MemoryPermission other_permissions) {
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if (address < Memory::SHARED_MEMORY_VADDR || address >= Memory::SHARED_MEMORY_VADDR_END) {
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ERROR_LOG(KERNEL, "cannot map handle=0x%08X, address=0x%08X outside of shared mem bounds!",
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handle);
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return -1;
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}
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SharedMemory* shared_memory = Kernel::g_object_pool.GetFast<SharedMemory>(handle);
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_assert_msg_(KERNEL, (shared_memory != nullptr), "handle 0x%08X is not valid!", handle);
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shared_memory->base_address = address;
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shared_memory->permissions = permissions;
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shared_memory->other_permissions = other_permissions;
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return 0;
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}
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/**
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* Gets a pointer to the shared memory block
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* @param handle Shared memory block handle
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* @param offset Offset from the start of the shared memory block to get pointer
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* @return Pointer to the shared memory block from the specified offset
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*/
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u8* GetSharedMemoryPointer(Handle handle, u32 offset) {
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SharedMemory* shared_memory = Kernel::g_object_pool.GetFast<SharedMemory>(handle);
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_assert_msg_(KERNEL, (shared_memory != nullptr), "handle 0x%08X is not valid!", handle);
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if (0 != shared_memory->base_address)
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return Memory::GetPointer(shared_memory->base_address + offset);
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ERROR_LOG(KERNEL, "memory block handle=0x%08X not mapped!", handle);
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return nullptr;
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}
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} // namespace
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48
src/core/hle/kernel/shared_memory.h
Normal file
48
src/core/hle/kernel/shared_memory.h
Normal file
@ -0,0 +1,48 @@
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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_types.h"
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#include "core/hle/kernel/kernel.h"
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namespace Kernel {
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/// Permissions for mapped shared memory blocks
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enum class MemoryPermission : u32 {
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None = 0,
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Read = (1u << 0),
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Write = (1u << 1),
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ReadWrite = (Read | Write),
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DontCare = (1u << 28)
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};
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/**
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* Creates a shared memory object
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* @param name Optional name of shared memory object
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* @return Handle of newly created shared memory object
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*/
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Handle CreateSharedMemory(const std::string& name="Unknown");
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/**
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* Maps a shared memory block to an address in system memory
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* @param handle Shared memory block handle
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* @param address Address in system memory to map shared memory block to
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* @param permissions Memory block map permissions (specified by SVC field)
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* @param other_permissions Memory block map other permissions (specified by SVC field)
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* @return Result of operation, 0 on success, otherwise error code
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*/
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Result MapSharedMemory(u32 handle, u32 address, MemoryPermission permissions,
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MemoryPermission other_permissions);
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/**
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* Gets a pointer to the shared memory block
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* @param handle Shared memory block handle
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* @param offset Offset from the start of the shared memory block to get pointer
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* @return Pointer to the shared memory block from the specified offset
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*/
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u8* GetSharedMemoryPointer(Handle handle, u32 offset);
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} // namespace
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@ -9,6 +9,7 @@
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#include "core/mem_map.h"
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#include "core/hle/hle.h"
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#include "core/hle/kernel/event.h"
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#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/service/gsp.h"
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#include "core/hw/gpu.h"
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@ -36,14 +37,24 @@ union GX_CmdBufferHeader {
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BitField<8,8,u32> number_commands;
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};
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/// Gets the address of the start (header) of a command buffer in GSP shared memory
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static inline u32 GX_GetCmdBufferAddress(u32 thread_id) {
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return (0x10002000 + 0x800 + (thread_id * 0x200));
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace GSP_GPU
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namespace GSP_GPU {
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Handle g_event = 0;
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Handle g_shared_memory = 0;
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u32 g_thread_id = 0;
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enum {
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REG_FRAMEBUFFER_1 = 0x00400468,
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REG_FRAMEBUFFER_2 = 0x00400494,
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};
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/// Gets a pointer to the start (header) of a command buffer in GSP shared memory
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static inline u8* GX_GetCmdBufferPointer(u32 thread_id, u32 offset=0) {
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return Memory::GetPointer(GX_GetCmdBufferAddress(thread_id) + offset);
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return Kernel::GetSharedMemoryPointer(g_shared_memory, 0x800 + (thread_id * 0x200) + offset);
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}
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/// Finishes execution of a GSP command
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@ -56,19 +67,6 @@ void GX_FinishCommand(u32 thread_id) {
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// TODO: Increment header->index?
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace GSP_GPU
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namespace GSP_GPU {
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Handle g_event_handle = 0;
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u32 g_thread_id = 0;
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enum {
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REG_FRAMEBUFFER_1 = 0x00400468,
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REG_FRAMEBUFFER_2 = 0x00400494,
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};
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/// Read a GSP GPU hardware register
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void ReadHWRegs(Service::Interface* self) {
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static const u32 framebuffer_1[] = {GPU::PADDR_VRAM_TOP_LEFT_FRAME1, GPU::PADDR_VRAM_TOP_RIGHT_FRAME1};
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@ -103,24 +101,34 @@ void ReadHWRegs(Service::Interface* self) {
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}
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/**
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* GSP_GPU::RegisterInterruptRelayQueue service function
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* Inputs:
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* 1 : "Flags" field, purpose is unknown
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* 3 : Handle to GSP synchronization event
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* Outputs:
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* 0 : Result of function, 0 on success, otherwise error code
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* 2 : Thread index into GSP command buffer
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* 4 : Handle to GSP shared memory
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*/
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void RegisterInterruptRelayQueue(Service::Interface* self) {
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u32* cmd_buff = Service::GetCommandBuffer();
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u32 flags = cmd_buff[1];
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u32 event_handle = cmd_buff[3];
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g_event = cmd_buff[3];
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_assert_msg_(GSP, (event_handle != 0), "called, but event is nullptr!");
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_assert_msg_(GSP, (g_event != 0), "handle is not valid!");
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g_event_handle = event_handle;
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Kernel::SetEventLocked(event_handle, false);
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Kernel::SetEventLocked(g_event, false);
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// Hack - This function will permanently set the state of the GSP event such that GPU command
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// synchronization barriers always passthrough. Correct solution would be to set this after the
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// GPU as processed all queued up commands, but due to the emulator being single-threaded they
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// will always be ready.
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Kernel::SetPermanentLock(event_handle, true);
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Kernel::SetPermanentLock(g_event, true);
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cmd_buff[0] = 0; // Result - no error
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cmd_buff[2] = g_thread_id; // ThreadID
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cmd_buff[4] = g_shared_memory; // GSP shared memory
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}
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@ -208,6 +216,7 @@ const Interface::FunctionInfo FunctionTable[] = {
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Interface::Interface() {
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Register(FunctionTable, ARRAY_SIZE(FunctionTable));
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g_shared_memory = Kernel::CreateSharedMemory("GSPSharedMem");
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}
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Interface::~Interface() {
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@ -12,6 +12,7 @@
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#include "core/hle/kernel/event.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/mutex.h"
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#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/function_wrappers.h"
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@ -28,11 +29,6 @@ enum ControlMemoryOperation {
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MEMORY_OPERATION_GSP_HEAP = 0x00010003,
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};
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enum MapMemoryPermission {
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MEMORY_PERMISSION_UNMAP = 0x00000000,
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MEMORY_PERMISSION_NORMAL = 0x00000001,
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};
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/// Map application or GSP heap memory
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Result ControlMemory(u32* out_addr, u32 operation, u32 addr0, u32 addr1, u32 size, u32 permissions) {
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DEBUG_LOG(SVC,"called operation=0x%08X, addr0=0x%08X, addr1=0x%08X, size=%08X, permissions=0x%08X",
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@ -58,17 +54,21 @@ Result ControlMemory(u32* out_addr, u32 operation, u32 addr0, u32 addr1, u32 siz
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}
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/// Maps a memory block to specified address
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Result MapMemoryBlock(Handle memblock, u32 addr, u32 mypermissions, u32 otherpermission) {
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Result MapMemoryBlock(Handle handle, u32 addr, u32 permissions, u32 other_permissions) {
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DEBUG_LOG(SVC, "called memblock=0x08X, addr=0x%08X, mypermissions=0x%08X, otherpermission=%d",
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memblock, addr, mypermissions, otherpermission);
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switch (mypermissions) {
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case MEMORY_PERMISSION_NORMAL:
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case MEMORY_PERMISSION_NORMAL + 1:
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case MEMORY_PERMISSION_NORMAL + 2:
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Memory::MapBlock_Shared(memblock, addr, mypermissions);
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handle, addr, permissions, other_permissions);
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Kernel::MemoryPermission permissions_type = static_cast<Kernel::MemoryPermission>(permissions);
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switch (permissions_type) {
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case Kernel::MemoryPermission::Read:
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case Kernel::MemoryPermission::Write:
|
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case Kernel::MemoryPermission::ReadWrite:
|
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case Kernel::MemoryPermission::DontCare:
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Kernel::MapSharedMemory(handle, addr, permissions_type,
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static_cast<Kernel::MemoryPermission>(other_permissions));
|
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break;
|
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default:
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ERROR_LOG(OSHLE, "unknown permissions=0x%08X", mypermissions);
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ERROR_LOG(OSHLE, "unknown permissions=0x%08X", permissions);
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}
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return 0;
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}
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|
@ -128,6 +128,12 @@ extern u8* g_exefs_code; ///< ExeFS:/.code is loaded here
|
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void Init();
|
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void Shutdown();
|
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|
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template <typename T>
|
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inline void Read(T &var, const u32 addr);
|
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|
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template <typename T>
|
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inline void Write(u32 addr, const T data);
|
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|
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u8 Read8(const u32 addr);
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u16 Read16(const u32 addr);
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u32 Read32(const u32 addr);
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@ -143,14 +149,6 @@ void WriteBlock(const u32 addr, const u8* data, const int size);
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u8* GetPointer(const u32 Address);
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/**
|
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* Maps a block of memory in shared memory
|
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* @param handle Handle to map memory block for
|
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* @param addr Address to map memory block to
|
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* @param permissions Memory map permissions
|
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*/
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u32 MapBlock_Shared(u32 handle, u32 addr,u32 permissions) ;
|
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|
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/**
|
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* Maps a block of memory on the heap
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* @param size Size of block in bytes
|
||||
|
@ -41,7 +41,7 @@ u32 _VirtualAddress(const u32 addr) {
|
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}
|
||||
|
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template <typename T>
|
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inline void _Read(T &var, const u32 addr) {
|
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inline void Read(T &var, const u32 addr) {
|
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// TODO: Figure out the fastest order of tests for both read and write (they are probably different).
|
||||
// TODO: Make sure this represents the mirrors in a correct way.
|
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// Could just do a base-relative read, too.... TODO
|
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@ -91,7 +91,7 @@ inline void _Read(T &var, const u32 addr) {
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
inline void _Write(u32 addr, const T data) {
|
||||
inline void Write(u32 addr, const T data) {
|
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u32 vaddr = _VirtualAddress(addr);
|
||||
|
||||
// Kernel memory command buffer
|
||||
@ -177,28 +177,6 @@ u8 *GetPointer(const u32 addr) {
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
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* Maps a block of memory in shared memory
|
||||
* @param handle Handle to map memory block for
|
||||
* @param addr Address to map memory block to
|
||||
* @param permissions Memory map permissions
|
||||
*/
|
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u32 MapBlock_Shared(u32 handle, u32 addr,u32 permissions) {
|
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MemoryBlock block;
|
||||
|
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block.handle = handle;
|
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block.base_address = addr;
|
||||
block.permissions = permissions;
|
||||
|
||||
if (g_shared_map.size() > 0) {
|
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const MemoryBlock last_block = g_shared_map.rbegin()->second;
|
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block.address = last_block.address + last_block.size;
|
||||
}
|
||||
g_shared_map[block.GetVirtualAddress()] = block;
|
||||
|
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return block.GetVirtualAddress();
|
||||
}
|
||||
|
||||
/**
|
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* Maps a block of memory on the heap
|
||||
* @param size Size of block in bytes
|
||||
@ -247,25 +225,25 @@ u32 MapBlock_HeapGSP(u32 size, u32 operation, u32 permissions) {
|
||||
|
||||
u8 Read8(const u32 addr) {
|
||||
u8 _var = 0;
|
||||
_Read<u8>(_var, addr);
|
||||
Read<u8>(_var, addr);
|
||||
return (u8)_var;
|
||||
}
|
||||
|
||||
u16 Read16(const u32 addr) {
|
||||
u16_le _var = 0;
|
||||
_Read<u16_le>(_var, addr);
|
||||
Read<u16_le>(_var, addr);
|
||||
return (u16)_var;
|
||||
}
|
||||
|
||||
u32 Read32(const u32 addr) {
|
||||
u32_le _var = 0;
|
||||
_Read<u32_le>(_var, addr);
|
||||
Read<u32_le>(_var, addr);
|
||||
return _var;
|
||||
}
|
||||
|
||||
u64 Read64(const u32 addr) {
|
||||
u64_le _var = 0;
|
||||
_Read<u64_le>(_var, addr);
|
||||
Read<u64_le>(_var, addr);
|
||||
return _var;
|
||||
}
|
||||
|
||||
@ -278,19 +256,19 @@ u32 Read16_ZX(const u32 addr) {
|
||||
}
|
||||
|
||||
void Write8(const u32 addr, const u8 data) {
|
||||
_Write<u8>(addr, data);
|
||||
Write<u8>(addr, data);
|
||||
}
|
||||
|
||||
void Write16(const u32 addr, const u16 data) {
|
||||
_Write<u16_le>(addr, data);
|
||||
Write<u16_le>(addr, data);
|
||||
}
|
||||
|
||||
void Write32(const u32 addr, const u32 data) {
|
||||
_Write<u32_le>(addr, data);
|
||||
Write<u32_le>(addr, data);
|
||||
}
|
||||
|
||||
void Write64(const u32 addr, const u64 data) {
|
||||
_Write<u64_le>(addr, data);
|
||||
Write<u64_le>(addr, data);
|
||||
}
|
||||
|
||||
void WriteBlock(const u32 addr, const u8* data, const int size) {
|
||||
|
Loading…
Reference in New Issue
Block a user