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Kernel/SharedMemory: set and reset source memory state

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This commit is contained in:
Weiyi Wang 2018-11-10 11:14:29 -05:00
parent 560df843b1
commit cfa9a322c7
8 changed files with 49 additions and 32 deletions
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12
src/core/hle/kernel/kernel.h
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@ -170,12 +170,12 @@ public:
* linear heap.
* @param name Optional object name, used for debugging purposes.
*/
SharedPtr<SharedMemory> CreateSharedMemory(Process* owner_process, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions,
VAddr address = 0,
MemoryRegion region = MemoryRegion::BASE,
std::string name = "Unknown");
ResultVal<SharedPtr<SharedMemory>> CreateSharedMemory(Process* owner_process, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions,
VAddr address = 0,
MemoryRegion region = MemoryRegion::BASE,
std::string name = "Unknown");
/**
* Creates a shared memory object from a block of memory managed by an HLE applet.

21
src/core/hle/kernel/shared_memory.cpp
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@ -17,13 +17,16 @@ SharedMemory::~SharedMemory() {
kernel.GetMemoryRegion(MemoryRegion::SYSTEM)
->Free(interval.lower(), interval.upper() - interval.lower());
}
if (base_address != 0 && owner_process != nullptr) {
owner_process->vm_manager.ChangeMemoryState(base_address, size, MemoryState::Locked,
VMAPermission::None, MemoryState::Private,
VMAPermission::ReadWrite);
}
}
SharedPtr<SharedMemory> KernelSystem::CreateSharedMemory(Process* owner_process, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions,
VAddr address, MemoryRegion region,
std::string name) {
ResultVal<SharedPtr<SharedMemory>> KernelSystem::CreateSharedMemory(
Process* owner_process, u32 size, MemoryPermission permissions,
MemoryPermission other_permissions, VAddr address, MemoryRegion region, std::string name) {
SharedPtr<SharedMemory> shared_memory(new SharedMemory(*this));
shared_memory->owner_process = owner_process;
@ -53,13 +56,17 @@ SharedPtr<SharedMemory> KernelSystem::CreateSharedMemory(Process* owner_process,
auto& vm_manager = shared_memory->owner_process->vm_manager;
// The memory is already available and mapped in the owner process.
CASCADE_CODE(vm_manager.ChangeMemoryState(address, size, MemoryState::Private,
VMAPermission::ReadWrite, MemoryState::Locked,
SharedMemory::ConvertPermissions(permissions)));
auto backing_blocks = vm_manager.GetBackingBlocksForRange(address, size);
ASSERT_MSG(backing_blocks.Succeeded(), "Trying to share freed memory");
ASSERT(backing_blocks.Succeeded()); // should success after verifying memory state above
shared_memory->backing_blocks = std::move(backing_blocks).Unwrap();
}
shared_memory->base_address = address;
return shared_memory;
return MakeResult(shared_memory);
}
SharedPtr<SharedMemory> KernelSystem::CreateSharedMemoryForApplet(

7
src/core/hle/kernel/svc.cpp
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@ -1250,9 +1250,10 @@ ResultCode SVC::CreateMemoryBlock(Handle* out_handle, u32 addr, u32 size, u32 my
if (addr == 0 && current_process->flags.shared_device_mem)
region = current_process->flags.memory_region;
shared_memory = kernel.CreateSharedMemory(
current_process.get(), size, static_cast<MemoryPermission>(my_permission),
static_cast<MemoryPermission>(other_permission), addr, region);
CASCADE_RESULT(shared_memory,
kernel.CreateSharedMemory(
current_process.get(), size, static_cast<MemoryPermission>(my_permission),
static_cast<MemoryPermission>(other_permission), addr, region));
CASCADE_RESULT(*out_handle, current_process->handle_table.Create(std::move(shared_memory)));
LOG_WARNING(Kernel_SVC, "called addr=0x{:08X}", addr);

9
src/core/hle/service/apt/apt.cpp
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@ -861,10 +861,11 @@ Module::Module(Core::System& system) : system(system) {
applet_manager = std::make_shared<AppletManager>(system);
using Kernel::MemoryPermission;
shared_font_mem =
system.Kernel().CreateSharedMemory(nullptr, 0x332000, // 3272 KB
MemoryPermission::ReadWrite, MemoryPermission::Read, 0,
Kernel::MemoryRegion::SYSTEM, "APT:SharedFont");
shared_font_mem = system.Kernel()
.CreateSharedMemory(nullptr, 0x332000, // 3272 KB
MemoryPermission::ReadWrite, MemoryPermission::Read,
0, Kernel::MemoryRegion::SYSTEM, "APT:SharedFont")
.Unwrap();
lock = system.Kernel().CreateMutex(false, "APT_U:Lock");
}

8
src/core/hle/service/csnd/csnd_snd.cpp
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@ -20,9 +20,11 @@ void CSND_SND::Initialize(Kernel::HLERequestContext& ctx) {
using Kernel::MemoryPermission;
mutex = system.Kernel().CreateMutex(false, "CSND:mutex");
shared_memory = system.Kernel().CreateSharedMemory(
nullptr, size, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "CSND:SharedMemory");
shared_memory = system.Kernel()
.CreateSharedMemory(nullptr, size, MemoryPermission::ReadWrite,
MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "CSND:SharedMemory")
.Unwrap();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 3);
rb.Push(RESULT_SUCCESS);

8
src/core/hle/service/gsp/gsp_gpu.cpp
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@ -787,9 +787,11 @@ GSP_GPU::GSP_GPU(Core::System& system) : ServiceFramework("gsp::Gpu", 2), system
RegisterHandlers(functions);
using Kernel::MemoryPermission;
shared_memory = system.Kernel().CreateSharedMemory(
nullptr, 0x1000, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "GSP:SharedMemory");
shared_memory = system.Kernel()
.CreateSharedMemory(nullptr, 0x1000, MemoryPermission::ReadWrite,
MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "GSP:SharedMemory")
.Unwrap();
first_initialization = true;
};

8
src/core/hle/service/hid/hid.cpp
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@ -361,9 +361,11 @@ std::shared_ptr<Module> Module::Interface::GetModule() const {
Module::Module(Core::System& system) : system(system) {
using namespace Kernel;
shared_mem = system.Kernel().CreateSharedMemory(nullptr, 0x1000, MemoryPermission::ReadWrite,
MemoryPermission::Read, 0, MemoryRegion::BASE,
"HID:SharedMemory");
shared_mem =
system.Kernel()
.CreateSharedMemory(nullptr, 0x1000, MemoryPermission::ReadWrite,
MemoryPermission::Read, 0, MemoryRegion::BASE, "HID:SharedMemory")
.Unwrap();
// Create event handles
event_pad_or_touch_1 = system.Kernel().CreateEvent(ResetType::OneShot, "HID:EventPadOrTouch1");

8
src/core/hle/service/ir/ir_rst.cpp
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@ -149,9 +149,11 @@ IR_RST::IR_RST(Core::System& system) : ServiceFramework("ir:rst", 1), system(sys
using namespace Kernel;
// Note: these two kernel objects are even available before Initialize service function is
// called.
shared_memory = system.Kernel().CreateSharedMemory(nullptr, 0x1000, MemoryPermission::ReadWrite,
MemoryPermission::Read, 0,
MemoryRegion::BASE, "IRRST:SharedMemory");
shared_memory =
system.Kernel()
.CreateSharedMemory(nullptr, 0x1000, MemoryPermission::ReadWrite,
MemoryPermission::Read, 0, MemoryRegion::BASE, "IRRST:SharedMemory")
.Unwrap();
update_event = system.Kernel().CreateEvent(ResetType::OneShot, "IRRST:UpdateEvent");
update_callback_id = system.CoreTiming().RegisterEvent(