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pl_u: Implement basic shared font loading from RAM dump.
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parent
fa58d95027
commit
42c062c620
@ -124,6 +124,10 @@ add_library(core STATIC
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hle/service/nifm/nifm_s.h
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hle/service/nifm/nifm_u.cpp
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hle/service/nifm/nifm_u.h
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hle/service/ns/ns.cpp
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hle/service/ns/ns.h
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hle/service/ns/pl_u.cpp
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hle/service/ns/pl_u.h
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hle/service/nvdrv/devices/nvdevice.h
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hle/service/nvdrv/devices/nvdisp_disp0.cpp
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hle/service/nvdrv/devices/nvdisp_disp0.h
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16
src/core/hle/service/ns/ns.cpp
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src/core/hle/service/ns/ns.cpp
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/hle/service/ns/ns.h"
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#include "core/hle/service/ns/pl_u.h"
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namespace Service {
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namespace NS {
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void InstallInterfaces(SM::ServiceManager& service_manager) {
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std::make_shared<PL_U>()->InstallAsService(service_manager);
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}
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} // namespace NS
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} // namespace Service
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src/core/hle/service/ns/ns.h
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src/core/hle/service/ns/ns.h
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "core/hle/service/service.h"
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namespace Service {
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namespace NS {
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/// Registers all NS services with the specified service manager.
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void InstallInterfaces(SM::ServiceManager& service_manager);
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} // namespace NS
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} // namespace Service
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111
src/core/hle/service/ns/pl_u.cpp
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111
src/core/hle/service/ns/pl_u.cpp
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@ -0,0 +1,111 @@
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/common_paths.h"
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#include "common/file_util.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/service/ns/pl_u.h"
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namespace Service {
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namespace NS {
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struct FontRegion {
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u32 offset;
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u32 size;
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};
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// The below data is specific to shared font data dumped from Switch on f/w 2.2
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// Virtual address and offsets/sizes likely will vary by dump
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static constexpr VAddr SHARED_FONT_MEM_VADDR{0x00000009d3016000ULL};
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static constexpr u64 SHARED_FONT_MEM_SIZE{0x1100000};
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static constexpr std::array<FontRegion, 6> SHARED_FONT_REGIONS{
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FontRegion{0x00000008, 0x001fe764}, FontRegion{0x001fe774, 0x00773e58},
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FontRegion{0x009725d4, 0x0001aca8}, FontRegion{0x0098d284, 0x00369cec},
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FontRegion{0x00cf6f78, 0x0039b858}, FontRegion{0x010927d8, 0x00019e80},
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};
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enum class LoadState : u32 {
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Loading = 0,
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Done = 1,
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};
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PL_U::PL_U() : ServiceFramework("pl:u") {
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static const FunctionInfo functions[] = {
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{1, &PL_U::GetLoadState, "GetLoadState"},
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{2, &PL_U::GetSize, "GetSize"},
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{3, &PL_U::GetSharedMemoryAddressOffset, "GetSharedMemoryAddressOffset"},
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{4, &PL_U::GetSharedMemoryNativeHandle, "GetSharedMemoryNativeHandle"}};
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RegisterHandlers(functions);
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// Attempt to load shared font data from disk
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const std::string filepath{FileUtil::GetUserPath(D_SYSDATA_IDX) + SHARED_FONT};
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FileUtil::CreateFullPath(filepath); // Create path if not already created
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FileUtil::IOFile file(filepath, "rb");
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if (file.IsOpen()) {
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// Read shared font data
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ASSERT(file.GetSize() == SHARED_FONT_MEM_SIZE);
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shared_font = std::make_shared<std::vector<u8>>(static_cast<size_t>(file.GetSize()));
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file.ReadBytes(shared_font->data(), shared_font->size());
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} else {
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LOG_WARNING(Service_NS, "Unable to load shared font: %s", filepath.c_str());
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}
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}
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void PL_U::GetLoadState(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u32 font_id{rp.Pop<u32>()};
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LOG_DEBUG(Service_NS, "called, font_id=%d", font_id);
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u32>(static_cast<u32>(LoadState::Done));
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}
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void PL_U::GetSize(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u32 font_id{rp.Pop<u32>()};
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LOG_DEBUG(Service_NS, "called, font_id=%d", font_id);
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u32>(SHARED_FONT_REGIONS[font_id].size);
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}
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void PL_U::GetSharedMemoryAddressOffset(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u32 font_id{rp.Pop<u32>()};
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LOG_DEBUG(Service_NS, "called, font_id=%d", font_id);
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u32>(SHARED_FONT_REGIONS[font_id].offset);
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}
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void PL_U::GetSharedMemoryNativeHandle(Kernel::HLERequestContext& ctx) {
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if (shared_font != nullptr) {
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// TODO(bunnei): This is a less-than-ideal solution to load a RAM dump of the Switch shared
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// font data. This (likely) relies on exact address, size, and offsets from the original
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// dump. In the future, we need to replace this with a more robust solution.
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// Map backing memory for the font data
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Kernel::g_current_process->vm_manager.MapMemoryBlock(SHARED_FONT_MEM_VADDR, shared_font, 0,
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SHARED_FONT_MEM_SIZE,
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Kernel::MemoryState::Shared);
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// Create shared font memory object
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shared_font_mem = Kernel::SharedMemory::Create(
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Kernel::g_current_process, SHARED_FONT_MEM_SIZE, Kernel::MemoryPermission::ReadWrite,
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Kernel::MemoryPermission::Read, SHARED_FONT_MEM_VADDR, Kernel::MemoryRegion::BASE,
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"PL_U:shared_font_mem");
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}
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LOG_DEBUG(Service_NS, "called");
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IPC::ResponseBuilder rb{ctx, 2, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushCopyObjects(shared_font_mem);
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}
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} // namespace NS
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} // namespace Service
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33
src/core/hle/service/ns/pl_u.h
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33
src/core/hle/service/ns/pl_u.h
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@ -0,0 +1,33 @@
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/service/service.h"
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namespace Service {
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namespace NS {
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class PL_U final : public ServiceFramework<PL_U> {
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public:
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PL_U();
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~PL_U() = default;
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private:
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void GetLoadState(Kernel::HLERequestContext& ctx);
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void GetSize(Kernel::HLERequestContext& ctx);
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void GetSharedMemoryAddressOffset(Kernel::HLERequestContext& ctx);
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void GetSharedMemoryNativeHandle(Kernel::HLERequestContext& ctx);
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/// Handle to shared memory region designated for a shared font
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Kernel::SharedPtr<Kernel::SharedMemory> shared_font_mem;
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/// Backing memory for the shared font data
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std::shared_ptr<std::vector<u8>> shared_font;
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};
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} // namespace NS
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} // namespace Service
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@ -23,6 +23,7 @@
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#include "core/hle/service/hid/hid.h"
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#include "core/hle/service/lm/lm.h"
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#include "core/hle/service/nifm/nifm.h"
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#include "core/hle/service/ns/ns.h"
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#include "core/hle/service/nvdrv/nvdrv.h"
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#include "core/hle/service/pctl/pctl.h"
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#include "core/hle/service/service.h"
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@ -182,6 +183,7 @@ void Init() {
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HID::InstallInterfaces(*SM::g_service_manager);
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LM::InstallInterfaces(*SM::g_service_manager);
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NIFM::InstallInterfaces(*SM::g_service_manager);
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NS::InstallInterfaces(*SM::g_service_manager);
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Nvidia::InstallInterfaces(*SM::g_service_manager);
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PCTL::InstallInterfaces(*SM::g_service_manager);
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Sockets::InstallInterfaces(*SM::g_service_manager);
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