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HLE/SVC: Implement UnmapMemoryBlock.

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This implementation will need to be (almost completely) changed when we implement multiprocess support.
This commit is contained in:
Subv 2015-12-31 09:46:32 -05:00
parent 82087672b7
commit d90d5a0ee6
5 changed files with 60 additions and 5 deletions
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32
src/core/hle/svc.cpp
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@ -161,6 +161,8 @@ static ResultCode MapMemoryBlock(Handle handle, u32 addr, u32 permissions, u32 o
LOG_TRACE(Kernel_SVC, "called memblock=0x%08X, addr=0x%08X, mypermissions=0x%08X, otherpermission=%d",
handle, addr, permissions, other_permissions);
// TODO(Subv): The same process that created a SharedMemory object can not map it in its own address space
SharedPtr<SharedMemory> shared_memory = Kernel::g_handle_table.Get<SharedMemory>(handle);
if (shared_memory == nullptr)
return ERR_INVALID_HANDLE;
@ -175,13 +177,27 @@ static ResultCode MapMemoryBlock(Handle handle, u32 addr, u32 permissions, u32 o
case MemoryPermission::WriteExecute:
case MemoryPermission::ReadWriteExecute:
case MemoryPermission::DontCare:
shared_memory->Map(addr, permissions_type,
return shared_memory->Map(addr, permissions_type,
static_cast<MemoryPermission>(other_permissions));
break;
default:
LOG_ERROR(Kernel_SVC, "unknown permissions=0x%08X", permissions);
}
return RESULT_SUCCESS;
return ResultCode(ErrorDescription::InvalidCombination, ErrorModule::OS, ErrorSummary::InvalidArgument, ErrorLevel::Usage);
}
static ResultCode UnmapMemoryBlock(Handle handle, u32 addr) {
using Kernel::SharedMemory;
LOG_TRACE(Kernel_SVC, "called memblock=0x%08X, addr=0x%08X", handle, addr);
// TODO(Subv): Return E0A01BF5 if the address is not in the application's heap
SharedPtr<SharedMemory> shared_memory = Kernel::g_handle_table.Get<SharedMemory>(handle);
if (shared_memory == nullptr)
return ERR_INVALID_HANDLE;
return shared_memory->Unmap(addr);
}
/// Connect to an OS service given the port name, returns the handle to the port to out
@ -765,7 +781,13 @@ static s64 GetSystemTick() {
static ResultCode CreateMemoryBlock(Handle* out_handle, u32 addr, u32 size, u32 my_permission,
u32 other_permission) {
using Kernel::SharedMemory;
// TODO(Subv): Implement this function
if (size % Memory::PAGE_SIZE != 0)
return ResultCode(ErrorDescription::MisalignedSize, ErrorModule::OS, ErrorSummary::InvalidArgument, ErrorLevel::Usage);
// TODO(Subv): Return E0A01BF5 if the address is not in the application's heap
// TODO(Subv): Implement this function properly
using Kernel::MemoryPermission;
SharedPtr<SharedMemory> shared_memory = SharedMemory::Create(size,
@ -912,7 +934,7 @@ static const FunctionDef SVC_Table[] = {
{0x1D, HLE::Wrap<ClearTimer>, "ClearTimer"},
{0x1E, HLE::Wrap<CreateMemoryBlock>, "CreateMemoryBlock"},
{0x1F, HLE::Wrap<MapMemoryBlock>, "MapMemoryBlock"},
{0x20, nullptr, "UnmapMemoryBlock"},
{0x20, HLE::Wrap<UnmapMemoryBlock>, "UnmapMemoryBlock"},
{0x21, HLE::Wrap<CreateAddressArbiter>, "CreateAddressArbiter"},
{0x22, HLE::Wrap<ArbitrateAddress>, "ArbitrateAddress"},
{0x23, HLE::Wrap<CloseHandle>, "CloseHandle"},