Merge pull request #7394 from Morph1984/svc-SetMemoryPermission
kernel: svc: Implement SetProcessMemoryPermission
This commit is contained in:
commit
daecbd3a7f
@ -685,8 +685,8 @@ ResultCode KPageTable::UnmapPages(VAddr addr, KPageLinkedList& page_linked_list,
|
|||||||
return ResultSuccess;
|
return ResultSuccess;
|
||||||
}
|
}
|
||||||
|
|
||||||
ResultCode KPageTable::SetCodeMemoryPermission(VAddr addr, std::size_t size,
|
ResultCode KPageTable::SetProcessMemoryPermission(VAddr addr, std::size_t size,
|
||||||
KMemoryPermission perm) {
|
KMemoryPermission perm) {
|
||||||
|
|
||||||
std::lock_guard lock{page_table_lock};
|
std::lock_guard lock{page_table_lock};
|
||||||
|
|
||||||
|
@ -41,7 +41,7 @@ public:
|
|||||||
ResultCode MapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state,
|
ResultCode MapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state,
|
||||||
KMemoryPermission perm);
|
KMemoryPermission perm);
|
||||||
ResultCode UnmapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state);
|
ResultCode UnmapPages(VAddr addr, KPageLinkedList& page_linked_list, KMemoryState state);
|
||||||
ResultCode SetCodeMemoryPermission(VAddr addr, std::size_t size, KMemoryPermission perm);
|
ResultCode SetProcessMemoryPermission(VAddr addr, std::size_t size, KMemoryPermission perm);
|
||||||
KMemoryInfo QueryInfo(VAddr addr);
|
KMemoryInfo QueryInfo(VAddr addr);
|
||||||
ResultCode ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm);
|
ResultCode ReserveTransferMemory(VAddr addr, std::size_t size, KMemoryPermission perm);
|
||||||
ResultCode ResetTransferMemory(VAddr addr, std::size_t size);
|
ResultCode ResetTransferMemory(VAddr addr, std::size_t size);
|
||||||
|
@ -528,7 +528,7 @@ void KProcess::LoadModule(CodeSet code_set, VAddr base_addr) {
|
|||||||
std::lock_guard lock{HLE::g_hle_lock};
|
std::lock_guard lock{HLE::g_hle_lock};
|
||||||
const auto ReprotectSegment = [&](const CodeSet::Segment& segment,
|
const auto ReprotectSegment = [&](const CodeSet::Segment& segment,
|
||||||
KMemoryPermission permission) {
|
KMemoryPermission permission) {
|
||||||
page_table->SetCodeMemoryPermission(segment.addr + base_addr, segment.size, permission);
|
page_table->SetProcessMemoryPermission(segment.addr + base_addr, segment.size, permission);
|
||||||
};
|
};
|
||||||
|
|
||||||
kernel.System().Memory().WriteBlock(*this, base_addr, code_set.memory.data(),
|
kernel.System().Memory().WriteBlock(*this, base_addr, code_set.memory.data(),
|
||||||
|
@ -1169,6 +1169,8 @@ static u32 GetCurrentProcessorNumber32(Core::System& system) {
|
|||||||
return GetCurrentProcessorNumber(system);
|
return GetCurrentProcessorNumber(system);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
namespace {
|
||||||
|
|
||||||
constexpr bool IsValidSharedMemoryPermission(Svc::MemoryPermission perm) {
|
constexpr bool IsValidSharedMemoryPermission(Svc::MemoryPermission perm) {
|
||||||
switch (perm) {
|
switch (perm) {
|
||||||
case Svc::MemoryPermission::Read:
|
case Svc::MemoryPermission::Read:
|
||||||
@ -1179,10 +1181,24 @@ constexpr bool IsValidSharedMemoryPermission(Svc::MemoryPermission perm) {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
constexpr bool IsValidRemoteSharedMemoryPermission(Svc::MemoryPermission perm) {
|
[[maybe_unused]] constexpr bool IsValidRemoteSharedMemoryPermission(Svc::MemoryPermission perm) {
|
||||||
return IsValidSharedMemoryPermission(perm) || perm == Svc::MemoryPermission::DontCare;
|
return IsValidSharedMemoryPermission(perm) || perm == Svc::MemoryPermission::DontCare;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
constexpr bool IsValidProcessMemoryPermission(Svc::MemoryPermission perm) {
|
||||||
|
switch (perm) {
|
||||||
|
case Svc::MemoryPermission::None:
|
||||||
|
case Svc::MemoryPermission::Read:
|
||||||
|
case Svc::MemoryPermission::ReadWrite:
|
||||||
|
case Svc::MemoryPermission::ReadExecute:
|
||||||
|
return true;
|
||||||
|
default:
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
} // Anonymous namespace
|
||||||
|
|
||||||
static ResultCode MapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address,
|
static ResultCode MapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address,
|
||||||
u64 size, Svc::MemoryPermission map_perm) {
|
u64 size, Svc::MemoryPermission map_perm) {
|
||||||
LOG_TRACE(Kernel_SVC,
|
LOG_TRACE(Kernel_SVC,
|
||||||
@ -1262,6 +1278,34 @@ static ResultCode UnmapSharedMemory32(Core::System& system, Handle shmem_handle,
|
|||||||
return UnmapSharedMemory(system, shmem_handle, address, size);
|
return UnmapSharedMemory(system, shmem_handle, address, size);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static ResultCode SetProcessMemoryPermission(Core::System& system, Handle process_handle,
|
||||||
|
VAddr address, u64 size, Svc::MemoryPermission perm) {
|
||||||
|
LOG_TRACE(Kernel_SVC,
|
||||||
|
"called, process_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}",
|
||||||
|
process_handle, address, size, perm);
|
||||||
|
|
||||||
|
// Validate the address/size.
|
||||||
|
R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
|
||||||
|
R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
|
||||||
|
R_UNLESS(size > 0, ResultInvalidSize);
|
||||||
|
R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
|
||||||
|
|
||||||
|
// Validate the memory permission.
|
||||||
|
R_UNLESS(IsValidProcessMemoryPermission(perm), ResultInvalidNewMemoryPermission);
|
||||||
|
|
||||||
|
// Get the process from its handle.
|
||||||
|
KScopedAutoObject process =
|
||||||
|
system.CurrentProcess()->GetHandleTable().GetObject<KProcess>(process_handle);
|
||||||
|
R_UNLESS(process.IsNotNull(), ResultInvalidHandle);
|
||||||
|
|
||||||
|
// Validate that the address is in range.
|
||||||
|
auto& page_table = process->PageTable();
|
||||||
|
R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
|
||||||
|
|
||||||
|
// Set the memory permission.
|
||||||
|
return page_table.SetProcessMemoryPermission(address, size, ConvertToKMemoryPermission(perm));
|
||||||
|
}
|
||||||
|
|
||||||
static ResultCode QueryProcessMemory(Core::System& system, VAddr memory_info_address,
|
static ResultCode QueryProcessMemory(Core::System& system, VAddr memory_info_address,
|
||||||
VAddr page_info_address, Handle process_handle,
|
VAddr page_info_address, Handle process_handle,
|
||||||
VAddr address) {
|
VAddr address) {
|
||||||
@ -1459,10 +1503,14 @@ static void ExitProcess32(Core::System& system) {
|
|||||||
ExitProcess(system);
|
ExitProcess(system);
|
||||||
}
|
}
|
||||||
|
|
||||||
static constexpr bool IsValidVirtualCoreId(int32_t core_id) {
|
namespace {
|
||||||
|
|
||||||
|
constexpr bool IsValidVirtualCoreId(int32_t core_id) {
|
||||||
return (0 <= core_id && core_id < static_cast<int32_t>(Core::Hardware::NUM_CPU_CORES));
|
return (0 <= core_id && core_id < static_cast<int32_t>(Core::Hardware::NUM_CPU_CORES));
|
||||||
}
|
}
|
||||||
|
|
||||||
|
} // Anonymous namespace
|
||||||
|
|
||||||
/// Creates a new thread
|
/// Creates a new thread
|
||||||
static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr entry_point, u64 arg,
|
static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr entry_point, u64 arg,
|
||||||
VAddr stack_bottom, u32 priority, s32 core_id) {
|
VAddr stack_bottom, u32 priority, s32 core_id) {
|
||||||
@ -1846,7 +1894,9 @@ static ResultCode ResetSignal32(Core::System& system, Handle handle) {
|
|||||||
return ResetSignal(system, handle);
|
return ResetSignal(system, handle);
|
||||||
}
|
}
|
||||||
|
|
||||||
static constexpr bool IsValidTransferMemoryPermission(MemoryPermission perm) {
|
namespace {
|
||||||
|
|
||||||
|
constexpr bool IsValidTransferMemoryPermission(MemoryPermission perm) {
|
||||||
switch (perm) {
|
switch (perm) {
|
||||||
case MemoryPermission::None:
|
case MemoryPermission::None:
|
||||||
case MemoryPermission::Read:
|
case MemoryPermission::Read:
|
||||||
@ -1857,6 +1907,8 @@ static constexpr bool IsValidTransferMemoryPermission(MemoryPermission perm) {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
} // Anonymous namespace
|
||||||
|
|
||||||
/// Creates a TransferMemory object
|
/// Creates a TransferMemory object
|
||||||
static ResultCode CreateTransferMemory(Core::System& system, Handle* out, VAddr address, u64 size,
|
static ResultCode CreateTransferMemory(Core::System& system, Handle* out, VAddr address, u64 size,
|
||||||
MemoryPermission map_perm) {
|
MemoryPermission map_perm) {
|
||||||
@ -2588,7 +2640,7 @@ static const FunctionDef SVC_Table_64[] = {
|
|||||||
{0x70, nullptr, "CreatePort"},
|
{0x70, nullptr, "CreatePort"},
|
||||||
{0x71, nullptr, "ManageNamedPort"},
|
{0x71, nullptr, "ManageNamedPort"},
|
||||||
{0x72, nullptr, "ConnectToPort"},
|
{0x72, nullptr, "ConnectToPort"},
|
||||||
{0x73, nullptr, "SetProcessMemoryPermission"},
|
{0x73, SvcWrap64<SetProcessMemoryPermission>, "SetProcessMemoryPermission"},
|
||||||
{0x74, nullptr, "MapProcessMemory"},
|
{0x74, nullptr, "MapProcessMemory"},
|
||||||
{0x75, nullptr, "UnmapProcessMemory"},
|
{0x75, nullptr, "UnmapProcessMemory"},
|
||||||
{0x76, SvcWrap64<QueryProcessMemory>, "QueryProcessMemory"},
|
{0x76, SvcWrap64<QueryProcessMemory>, "QueryProcessMemory"},
|
||||||
|
@ -396,12 +396,12 @@ public:
|
|||||||
CopyCode(nro_addr + nro_header.segment_headers[DATA_INDEX].memory_offset, data_start,
|
CopyCode(nro_addr + nro_header.segment_headers[DATA_INDEX].memory_offset, data_start,
|
||||||
nro_header.segment_headers[DATA_INDEX].memory_size);
|
nro_header.segment_headers[DATA_INDEX].memory_size);
|
||||||
|
|
||||||
CASCADE_CODE(process->PageTable().SetCodeMemoryPermission(
|
CASCADE_CODE(process->PageTable().SetProcessMemoryPermission(
|
||||||
text_start, ro_start - text_start, Kernel::KMemoryPermission::ReadAndExecute));
|
text_start, ro_start - text_start, Kernel::KMemoryPermission::ReadAndExecute));
|
||||||
CASCADE_CODE(process->PageTable().SetCodeMemoryPermission(ro_start, data_start - ro_start,
|
CASCADE_CODE(process->PageTable().SetProcessMemoryPermission(
|
||||||
Kernel::KMemoryPermission::Read));
|
ro_start, data_start - ro_start, Kernel::KMemoryPermission::Read));
|
||||||
|
|
||||||
return process->PageTable().SetCodeMemoryPermission(
|
return process->PageTable().SetProcessMemoryPermission(
|
||||||
data_start, bss_end_addr - data_start, Kernel::KMemoryPermission::ReadAndWrite);
|
data_start, bss_end_addr - data_start, Kernel::KMemoryPermission::ReadAndWrite);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user