eden-emu
/
eden
mirror of https://git.eden-emu.dev/eden-emu/eden.git
1
0
Fork 0
Code Releases Wiki Activity
Browse Source

kernel: svc: Updates for new VMM. 

- Includes removing some SVC impls. that are untested.
nce_cpp
bunnei 6 years ago
parent
8a67b3058e
commit
6b40850b9a
1 changed files with 116 additions and 488 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 604
      src/core/hle/kernel/svc.cpp

604
src/core/hle/kernel/svc.cpp
View File

@ -24,6 +24,8 @@
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/memory_block.h"
#include "core/hle/kernel/memory/page_table.h"
#include "core/hle/kernel/mutex.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/readable_event.h"
@ -59,8 +61,8 @@ constexpr u64 MAIN_MEMORY_SIZE = 0x200000000;
// Helper function that performs the common sanity checks for svcMapMemory
// and svcUnmapMemory. This is doable, as both functions perform their sanitizing
// in the same order.
ResultCode MapUnmapMemorySanityChecks(const VMManager& vm_manager, VAddr dst_addr, VAddr src_addr,
u64 size) {
ResultCode MapUnmapMemorySanityChecks(const Memory::PageTable& manager, VAddr dst_addr,
VAddr src_addr, u64 size) {
if (!Common::Is4KBAligned(dst_addr)) {
LOG_ERROR(Kernel_SVC, "Destination address is not aligned to 4KB, 0x{:016X}", dst_addr);
return ERR_INVALID_ADDRESS;
@ -94,36 +96,33 @@ ResultCode MapUnmapMemorySanityChecks(const VMManager& vm_manager, VAddr dst_add
return ERR_INVALID_ADDRESS_STATE;
}
if (!vm_manager.IsWithinAddressSpace(src_addr, size)) {
if (!manager.IsInsideAddressSpace(src_addr, size)) {
LOG_ERROR(Kernel_SVC,
"Source is not within the address space, addr=0x{:016X}, size=0x{:016X}",
src_addr, size);
return ERR_INVALID_ADDRESS_STATE;
}
if (!vm_manager.IsWithinStackRegion(dst_addr, size)) {
if (manager.IsOutsideStackRegion(dst_addr, size)) {
LOG_ERROR(Kernel_SVC,
"Destination is not within the stack region, addr=0x{:016X}, size=0x{:016X}",
dst_addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
const VAddr dst_end_address = dst_addr + size;
if (dst_end_address > vm_manager.GetHeapRegionBaseAddress() &&
vm_manager.GetHeapRegionEndAddress() > dst_addr) {
if (manager.IsInsideHeapRegion(dst_addr, size)) {
LOG_ERROR(Kernel_SVC,
"Destination does not fit within the heap region, addr=0x{:016X}, "
"size=0x{:016X}, end_addr=0x{:016X}",
dst_addr, size, dst_end_address);
"size=0x{:016X}",
dst_addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
if (dst_end_address > vm_manager.GetMapRegionBaseAddress() &&
vm_manager.GetMapRegionEndAddress() > dst_addr) {
if (manager.IsInsideAliasRegion(dst_addr, size)) {
LOG_ERROR(Kernel_SVC,
"Destination does not fit within the map region, addr=0x{:016X}, "
"size=0x{:016X}, end_addr=0x{:016X}",
dst_addr, size, dst_end_address);
"size=0x{:016X}",
dst_addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
@ -178,13 +177,10 @@ static ResultCode SetHeapSize(Core::System& system, VAddr* heap_addr, u64 heap_s
return ERR_INVALID_SIZE;
}
auto& vm_manager = system.Kernel().CurrentProcess()->VMManager();
const auto alloc_result = vm_manager.SetHeapSize(heap_size);
if (alloc_result.Failed()) {
return alloc_result.Code();
}
auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
CASCADE_RESULT(*heap_addr, page_table.SetHeapSize(heap_size));
*heap_addr = *alloc_result;
return RESULT_SUCCESS;
}
@ -195,63 +191,6 @@ static ResultCode SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_s
return result;
}
static ResultCode SetMemoryPermission(Core::System& system, VAddr addr, u64 size, u32 prot) {
LOG_TRACE(Kernel_SVC, "called, addr=0x{:X}, size=0x{:X}, prot=0x{:X}", addr, size, prot);
if (!Common::Is4KBAligned(addr)) {
LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, addr=0x{:016X}", addr);
return ERR_INVALID_ADDRESS;
}
if (size == 0) {
LOG_ERROR(Kernel_SVC, "Size is 0");
return ERR_INVALID_SIZE;
}
if (!Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, size=0x{:016X}", size);
return ERR_INVALID_SIZE;
}
if (!IsValidAddressRange(addr, size)) {
LOG_ERROR(Kernel_SVC, "Region is not a valid address range, addr=0x{:016X}, size=0x{:016X}",
addr, size);
return ERR_INVALID_ADDRESS_STATE;
}
const auto permission = static_cast<MemoryPermission>(prot);
if (permission != MemoryPermission::None && permission != MemoryPermission::Read &&
permission != MemoryPermission::ReadWrite) {
LOG_ERROR(Kernel_SVC, "Invalid memory permission specified, Got memory permission=0x{:08X}",
static_cast<u32>(permission));
return ERR_INVALID_MEMORY_PERMISSIONS;
}
auto* const current_process = system.Kernel().CurrentProcess();
auto& vm_manager = current_process->VMManager();
if (!vm_manager.IsWithinAddressSpace(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Source is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr,
size);
return ERR_INVALID_ADDRESS_STATE;
}
const VMManager::VMAHandle iter = vm_manager.FindVMA(addr);
if (!vm_manager.IsValidHandle(iter)) {
LOG_ERROR(Kernel_SVC, "Unable to find VMA for address=0x{:016X}", addr);
return ERR_INVALID_ADDRESS_STATE;
}
LOG_WARNING(Kernel_SVC, "Uniformity check on protected memory is not implemented.");
// TODO: Performs a uniformity check to make sure only protected memory is changed (it doesn't
// make sense to allow changing permissions on kernel memory itself, etc).
const auto converted_permissions = SharedMemory::ConvertPermissions(permission);
return vm_manager.ReprotectRange(addr, size, converted_permissions);
}
static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 size, u32 mask,
u32 attribute) {
LOG_DEBUG(Kernel_SVC,
@ -275,30 +214,19 @@ static ResultCode SetMemoryAttribute(Core::System& system, VAddr address, u64 si
return ERR_INVALID_ADDRESS_STATE;
}
const auto mem_attribute = static_cast<MemoryAttribute>(attribute);
const auto mem_mask = static_cast<MemoryAttribute>(mask);
const auto attribute_with_mask = mem_attribute | mem_mask;
if (attribute_with_mask != mem_mask) {
const auto attributes{static_cast<Memory::MemoryAttribute>(mask | attribute)};
if (attributes != static_cast<Memory::MemoryAttribute>(mask) ||
(attributes | Memory::MemoryAttribute::Uncached) != Memory::MemoryAttribute::Uncached) {
LOG_ERROR(Kernel_SVC,
"Memory attribute doesn't match the given mask (Attribute: 0x{:X}, Mask: {:X}",
attribute, mask);
return ERR_INVALID_COMBINATION;
}
if ((attribute_with_mask | MemoryAttribute::Uncached) != MemoryAttribute::Uncached) {
LOG_ERROR(Kernel_SVC, "Specified attribute isn't equal to MemoryAttributeUncached (8).");
return ERR_INVALID_COMBINATION;
}
auto& vm_manager = system.Kernel().CurrentProcess()->VMManager();
if (!vm_manager.IsWithinAddressSpace(address, size)) {
LOG_ERROR(Kernel_SVC,
"Given address (0x{:016X}) is outside the bounds of the address space.", address);
return ERR_INVALID_ADDRESS_STATE;
}
auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
return vm_manager.SetMemoryAttribute(address, size, mem_mask, mem_attribute);
return page_table.SetMemoryAttribute(address, size, static_cast<Memory::MemoryAttribute>(mask),
static_cast<Memory::MemoryAttribute>(attribute));
}
/// Maps a memory range into a different range.
@ -306,14 +234,14 @@ static ResultCode MapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr
LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
src_addr, size);
auto& vm_manager = system.Kernel().CurrentProcess()->VMManager();
const auto result = MapUnmapMemorySanityChecks(vm_manager, dst_addr, src_addr, size);
auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
if (result.IsError()) {
if (const ResultCode result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
result.IsError()) {
return result;
}
return vm_manager.MirrorMemory(dst_addr, src_addr, size, MemoryState::Stack);
return page_table.Map(dst_addr, src_addr, size);
}
/// Unmaps a region that was previously mapped with svcMapMemory
@ -321,21 +249,14 @@ static ResultCode UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_ad
LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
src_addr, size);
auto& vm_manager = system.Kernel().CurrentProcess()->VMManager();
const auto result = MapUnmapMemorySanityChecks(vm_manager, dst_addr, src_addr, size);
auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
if (result.IsError()) {
if (const ResultCode result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
result.IsError()) {
return result;
}
const auto unmap_res = vm_manager.UnmapRange(dst_addr, size);
// Reprotect the source mapping on success
if (unmap_res.IsSuccess()) {
ASSERT(vm_manager.ReprotectRange(src_addr, size, VMAPermission::ReadWrite).IsSuccess());
}
return unmap_res;
return page_table.Unmap(dst_addr, src_addr, size);
}
/// Connect to an OS service given the port name, returns the handle to the port to out
@ -368,6 +289,8 @@ static ResultCode ConnectToNamedPort(Core::System& system, Handle* out_handle,
return ERR_NOT_FOUND;
}
ASSERT(kernel.CurrentProcess()->GetResourceLimit()->Reserve(ResourceType::Sessions, 1));
auto client_port = it->second;
std::shared_ptr<ClientSession> client_session;
@ -684,7 +607,6 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
auto* const current_thread = system.CurrentScheduler().GetCurrentThread();
const auto thread_processor_id = current_thread->GetProcessorID();
system.ArmInterface(static_cast<std::size_t>(thread_processor_id)).LogBacktrace();
ASSERT(false);
system.Kernel().CurrentProcess()->PrepareForTermination();
@ -786,35 +708,35 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
return RESULT_SUCCESS;
case GetInfoType::MapRegionBaseAddr:
*result = process->VMManager().GetMapRegionBaseAddress();
*result = process->PageTable().GetAliasRegionStart();
return RESULT_SUCCESS;
case GetInfoType::MapRegionSize:
*result = process->VMManager().GetMapRegionSize();
*result = process->PageTable().GetAliasRegionSize();
return RESULT_SUCCESS;
case GetInfoType::HeapRegionBaseAddr:
*result = process->VMManager().GetHeapRegionBaseAddress();
*result = process->PageTable().GetHeapRegionStart();
return RESULT_SUCCESS;
case GetInfoType::HeapRegionSize:
*result = process->VMManager().GetHeapRegionSize();
*result = process->PageTable().GetHeapRegionSize();
return RESULT_SUCCESS;
case GetInfoType::ASLRRegionBaseAddr:
*result = process->VMManager().GetASLRRegionBaseAddress();
*result = process->PageTable().GetAliasCodeRegionStart();
return RESULT_SUCCESS;
case GetInfoType::ASLRRegionSize:
*result = process->VMManager().GetASLRRegionSize();
*result = process->PageTable().GetAliasCodeRegionSize();
return RESULT_SUCCESS;
case GetInfoType::StackRegionBaseAddr:
*result = process->VMManager().GetStackRegionBaseAddress();
*result = process->PageTable().GetStackRegionStart();
return RESULT_SUCCESS;
case GetInfoType::StackRegionSize:
*result = process->VMManager().GetStackRegionSize();
*result = process->PageTable().GetStackRegionSize();
return RESULT_SUCCESS;
case GetInfoType::TotalPhysicalMemoryAvailable:
@ -988,20 +910,29 @@ static ResultCode MapPhysicalMemory(Core::System& system, VAddr addr, u64 size)
return ERR_INVALID_MEMORY_RANGE;
}
Process* const current_process = system.Kernel().CurrentProcess();
auto& vm_manager = current_process->VMManager();
Process* const current_process{system.Kernel().CurrentProcess()};
auto& page_table{current_process->PageTable()};
if (current_process->GetSystemResourceSize() == 0) {
LOG_ERROR(Kernel_SVC, "System Resource Size is zero");
return ERR_INVALID_STATE;
}
if (!vm_manager.IsWithinMapRegion(addr, size)) {
LOG_ERROR(Kernel_SVC, "Range not within map region");
if (!page_table.IsInsideAddressSpace(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Address is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr,
size);
return ERR_INVALID_MEMORY_RANGE;
}
if (page_table.IsOutsideAliasRegion(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Address is not within the alias region, addr=0x{:016X}, size=0x{:016X}", addr,
size);
return ERR_INVALID_MEMORY_RANGE;
}
return vm_manager.MapPhysicalMemory(addr, size);
return page_table.MapPhysicalMemory(addr, size);
}
/// Unmaps memory previously mapped via MapPhysicalMemory
@ -1028,20 +959,29 @@ static ResultCode UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size
return ERR_INVALID_MEMORY_RANGE;
}
Process* const current_process = system.Kernel().CurrentProcess();
auto& vm_manager = current_process->VMManager();
Process* const current_process{system.Kernel().CurrentProcess()};
auto& page_table{current_process->PageTable()};
if (current_process->GetSystemResourceSize() == 0) {
LOG_ERROR(Kernel_SVC, "System Resource Size is zero");
return ERR_INVALID_STATE;
}
if (!vm_manager.IsWithinMapRegion(addr, size)) {
LOG_ERROR(Kernel_SVC, "Range not within map region");
if (!page_table.IsInsideAddressSpace(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Address is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr,
size);
return ERR_INVALID_MEMORY_RANGE;
}
if (page_table.IsOutsideAliasRegion(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Address is not within the alias region, addr=0x{:016X}, size=0x{:016X}", addr,
size);
return ERR_INVALID_MEMORY_RANGE;
}
return vm_manager.UnmapPhysicalMemory(addr, size);
return page_table.UnmapPhysicalMemory(addr, size);
}
/// Sets the thread activity
@ -1198,74 +1138,49 @@ static ResultCode MapSharedMemory(Core::System& system, Handle shared_memory_han
return ERR_INVALID_ADDRESS_STATE;
}
const auto permissions_type = static_cast<MemoryPermission>(permissions);
if (permissions_type != MemoryPermission::Read &&
permissions_type != MemoryPermission::ReadWrite) {
const auto permission_type = static_cast<Memory::MemoryPermission>(permissions);
if ((permission_type | Memory::MemoryPermission::Write) !=
Memory::MemoryPermission::ReadAndWrite) {
LOG_ERROR(Kernel_SVC, "Expected Read or ReadWrite permission but got permissions=0x{:08X}",
permissions);
return ERR_INVALID_MEMORY_PERMISSIONS;
}
auto* const current_process = system.Kernel().CurrentProcess();
auto shared_memory = current_process->GetHandleTable().Get<SharedMemory>(shared_memory_handle);
if (!shared_memory) {
LOG_ERROR(Kernel_SVC, "Shared memory does not exist, shared_memory_handle=0x{:08X}",
shared_memory_handle);
return ERR_INVALID_HANDLE;
}
auto* const current_process{system.Kernel().CurrentProcess()};
auto& page_table{current_process->PageTable()};
const auto& vm_manager = current_process->VMManager();
if (!vm_manager.IsWithinASLRRegion(addr, size)) {
LOG_ERROR(Kernel_SVC, "Region is not within the ASLR region. addr=0x{:016X}, size={:016X}",
if (page_table.IsInvalidRegion(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Addr does not fit within the valid region, addr=0x{:016X}, "
"size=0x{:016X}",
addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
return shared_memory->Map(*current_process, addr, permissions_type, MemoryPermission::DontCare);
}
static ResultCode UnmapSharedMemory(Core::System& system, Handle shared_memory_handle, VAddr addr,
u64 size) {
LOG_WARNING(Kernel_SVC, "called, shared_memory_handle=0x{:08X}, addr=0x{:X}, size=0x{:X}",
shared_memory_handle, addr, size);
if (!Common::Is4KBAligned(addr)) {
LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, addr=0x{:016X}", addr);
return ERR_INVALID_ADDRESS;
}
if (size == 0) {
LOG_ERROR(Kernel_SVC, "Size is 0");
return ERR_INVALID_SIZE;
}
if (!Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, size=0x{:016X}", size);
return ERR_INVALID_SIZE;
if (page_table.IsInsideHeapRegion(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Addr does not fit within the heap region, addr=0x{:016X}, "
"size=0x{:016X}",
addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
if (!IsValidAddressRange(addr, size)) {
LOG_ERROR(Kernel_SVC, "Region is not a valid address range, addr=0x{:016X}, size=0x{:016X}",
if (page_table.IsInsideAliasRegion(addr, size)) {
LOG_ERROR(Kernel_SVC,
"Address does not fit within the map region, addr=0x{:016X}, "
"size=0x{:016X}",
addr, size);
return ERR_INVALID_ADDRESS_STATE;
return ERR_INVALID_MEMORY_RANGE;
}
auto* const current_process = system.Kernel().CurrentProcess();
auto shared_memory = current_process->GetHandleTable().Get<SharedMemory>(shared_memory_handle);
auto shared_memory{current_process->GetHandleTable().Get<SharedMemory>(shared_memory_handle)};
if (!shared_memory) {
LOG_ERROR(Kernel_SVC, "Shared memory does not exist, shared_memory_handle=0x{:08X}",
shared_memory_handle);
return ERR_INVALID_HANDLE;
}
const auto& vm_manager = current_process->VMManager();
if (!vm_manager.IsWithinASLRRegion(addr, size)) {
LOG_ERROR(Kernel_SVC, "Region is not within the ASLR region. addr=0x{:016X}, size={:016X}",
addr, size);
return ERR_INVALID_MEMORY_RANGE;
}
return shared_memory->Unmap(*current_process, addr, size);
return shared_memory->Map(*current_process, addr, size, permission_type);
}
static ResultCode QueryProcessMemory(Core::System& system, VAddr memory_info_address,
@ -1280,18 +1195,17 @@ static ResultCode QueryProcessMemory(Core::System& system, VAddr memory_info_add
return ERR_INVALID_HANDLE;
}
auto& memory = system.Memory();
const auto& vm_manager = process->VMManager();
const MemoryInfo memory_info = vm_manager.QueryMemory(address);
memory.Write64(memory_info_address, memory_info.base_address);
memory.Write64(memory_info_address + 8, memory_info.size);
memory.Write32(memory_info_address + 16, memory_info.state);
memory.Write32(memory_info_address + 20, memory_info.attributes);
memory.Write32(memory_info_address + 24, memory_info.permission);
memory.Write32(memory_info_address + 32, memory_info.ipc_ref_count);
memory.Write32(memory_info_address + 28, memory_info.device_ref_count);
memory.Write32(memory_info_address + 36, 0);
auto& memory{system.Memory()};
const Svc::MemoryInfo memory_info{process->PageTable().QueryInfo(address).GetSvcMemoryInfo()};
memory.Write64(memory_info_address + 0x00, memory_info.addr);
memory.Write64(memory_info_address + 0x08, memory_info.size);
memory.Write32(memory_info_address + 0x10, static_cast<u32>(memory_info.state) & 0xff);
memory.Write32(memory_info_address + 0x14, static_cast<u32>(memory_info.attr));
memory.Write32(memory_info_address + 0x18, static_cast<u32>(memory_info.perm));
memory.Write32(memory_info_address + 0x1c, memory_info.ipc_refcount);
memory.Write32(memory_info_address + 0x20, memory_info.device_refcount);
memory.Write32(memory_info_address + 0x24, 0);
// Page info appears to be currently unused by the kernel and is always set to zero.
memory.Write32(page_info_address, 0);
@ -1315,142 +1229,6 @@ static ResultCode QueryMemory32(Core::System& system, u32 memory_info_address,
return QueryMemory(system, memory_info_address, page_info_address, query_address);
}
static ResultCode MapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
u64 src_address, u64 size) {
LOG_DEBUG(Kernel_SVC,
"called. process_handle=0x{:08X}, dst_address=0x{:016X}, "
"src_address=0x{:016X}, size=0x{:016X}",
process_handle, dst_address, src_address, size);
if (!Common::Is4KBAligned(src_address)) {
LOG_ERROR(Kernel_SVC, "src_address is not page-aligned (src_address=0x{:016X}).",
src_address);
return ERR_INVALID_ADDRESS;
}
if (!Common::Is4KBAligned(dst_address)) {
LOG_ERROR(Kernel_SVC, "dst_address is not page-aligned (dst_address=0x{:016X}).",
dst_address);
return ERR_INVALID_ADDRESS;
}
if (size == 0 || !Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is zero or not page-aligned (size=0x{:016X})", size);
return ERR_INVALID_SIZE;
}
if (!IsValidAddressRange(dst_address, size)) {
LOG_ERROR(Kernel_SVC,
"Destination address range overflows the address space (dst_address=0x{:016X}, "
"size=0x{:016X}).",
dst_address, size);
return ERR_INVALID_ADDRESS_STATE;
}
if (!IsValidAddressRange(src_address, size)) {
LOG_ERROR(Kernel_SVC,
"Source address range overflows the address space (src_address=0x{:016X}, "
"size=0x{:016X}).",
src_address, size);
return ERR_INVALID_ADDRESS_STATE;
}
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
auto process = handle_table.Get<Process>(process_handle);
if (!process) {
LOG_ERROR(Kernel_SVC, "Invalid process handle specified (handle=0x{:08X}).",
process_handle);
return ERR_INVALID_HANDLE;
}
auto& vm_manager = process->VMManager();
if (!vm_manager.IsWithinAddressSpace(src_address, size)) {
LOG_ERROR(Kernel_SVC,
"Source address range is not within the address space (src_address=0x{:016X}, "
"size=0x{:016X}).",
src_address, size);
return ERR_INVALID_ADDRESS_STATE;
}
if (!vm_manager.IsWithinASLRRegion(dst_address, size)) {
LOG_ERROR(Kernel_SVC,
"Destination address range is not within the ASLR region (dst_address=0x{:016X}, "
"size=0x{:016X}).",
dst_address, size);
return ERR_INVALID_MEMORY_RANGE;
}
return vm_manager.MapCodeMemory(dst_address, src_address, size);
}
static ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_handle,
u64 dst_address, u64 src_address, u64 size) {
LOG_DEBUG(Kernel_SVC,
"called. process_handle=0x{:08X}, dst_address=0x{:016X}, src_address=0x{:016X}, "
"size=0x{:016X}",
process_handle, dst_address, src_address, size);
if (!Common::Is4KBAligned(dst_address)) {
LOG_ERROR(Kernel_SVC, "dst_address is not page-aligned (dst_address=0x{:016X}).",
dst_address);
return ERR_INVALID_ADDRESS;
}
if (!Common::Is4KBAligned(src_address)) {
LOG_ERROR(Kernel_SVC, "src_address is not page-aligned (src_address=0x{:016X}).",
src_address);
return ERR_INVALID_ADDRESS;
}
if (size == 0 || Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is zero or not page-aligned (size=0x{:016X}).", size);
return ERR_INVALID_SIZE;
}
if (!IsValidAddressRange(dst_address, size)) {
LOG_ERROR(Kernel_SVC,
"Destination address range overflows the address space (dst_address=0x{:016X}, "
"size=0x{:016X}).",
dst_address, size);
return ERR_INVALID_ADDRESS_STATE;
}
if (!IsValidAddressRange(src_address, size)) {
LOG_ERROR(Kernel_SVC,
"Source address range overflows the address space (src_address=0x{:016X}, "
"size=0x{:016X}).",
src_address, size);
return ERR_INVALID_ADDRESS_STATE;
}
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
auto process = handle_table.Get<Process>(process_handle);
if (!process) {
LOG_ERROR(Kernel_SVC, "Invalid process handle specified (handle=0x{:08X}).",
process_handle);
return ERR_INVALID_HANDLE;
}
auto& vm_manager = process->VMManager();
if (!vm_manager.IsWithinAddressSpace(src_address, size)) {
LOG_ERROR(Kernel_SVC,
"Source address range is not within the address space (src_address=0x{:016X}, "
"size=0x{:016X}).",
src_address, size);
return ERR_INVALID_ADDRESS_STATE;
}
if (!vm_manager.IsWithinASLRRegion(dst_address, size)) {
LOG_ERROR(Kernel_SVC,
"Destination address range is not within the ASLR region (dst_address=0x{:016X}, "
"size=0x{:016X}).",
dst_address, size);
return ERR_INVALID_MEMORY_RANGE;
}
return vm_manager.UnmapCodeMemory(dst_address, src_address, size);
}
/// Exits the current process
static void ExitProcess(Core::System& system) {
auto* current_process = system.Kernel().CurrentProcess();
@ -1507,6 +1285,9 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
}
auto& kernel = system.Kernel();
ASSERT(kernel.CurrentProcess()->GetResourceLimit()->Reserve(ResourceType::Threads, 1));
CASCADE_RESULT(std::shared_ptr<Thread> thread,
Thread::Create(kernel, "", entry_point, priority, arg, processor_id, stack_top,
*current_process));
@ -1866,9 +1647,9 @@ static ResultCode CreateTransferMemory(Core::System& system, Handle* handle, VAd
return ERR_INVALID_ADDRESS_STATE;
}
const auto perms = static_cast<MemoryPermission>(permissions);
if (perms != MemoryPermission::None && perms != MemoryPermission::Read &&
perms != MemoryPermission::ReadWrite) {
const auto perms{static_cast<Memory::MemoryPermission>(permissions)};
if (perms > Memory::MemoryPermission::ReadAndWrite ||
perms == Memory::MemoryPermission::Write) {
LOG_ERROR(Kernel_SVC, "Invalid memory permissions for transfer memory! (perms={:08X})",
permissions);
return ERR_INVALID_MEMORY_PERMISSIONS;
@ -1891,111 +1672,6 @@ static ResultCode CreateTransferMemory(Core::System& system, Handle* handle, VAd
return RESULT_SUCCESS;
}
static ResultCode MapTransferMemory(Core::System& system, Handle handle, VAddr address, u64 size,
u32 permission_raw) {
LOG_DEBUG(Kernel_SVC,
"called. handle=0x{:08X}, address=0x{:016X}, size=0x{:016X}, permissions=0x{:08X}",
handle, address, size, permission_raw);
if (!Common::Is4KBAligned(address)) {
LOG_ERROR(Kernel_SVC, "Transfer memory addresses must be 4KB aligned (size=0x{:016X}).",
address);
return ERR_INVALID_ADDRESS;
}
if (size == 0 || !Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC,
"Transfer memory sizes must be 4KB aligned and not be zero (size=0x{:016X}).",
size);
return ERR_INVALID_SIZE;
}
if (!IsValidAddressRange(address, size)) {
LOG_ERROR(Kernel_SVC,
"Given address and size overflows the 64-bit range (address=0x{:016X}, "
"size=0x{:016X}).",
address, size);
return ERR_INVALID_ADDRESS_STATE;
}
const auto permissions = static_cast<MemoryPermission>(permission_raw);
if (permissions != MemoryPermission::None && permissions != MemoryPermission::Read &&
permissions != MemoryPermission::ReadWrite) {
LOG_ERROR(Kernel_SVC, "Invalid transfer memory permissions given (permissions=0x{:08X}).",
permission_raw);
return ERR_INVALID_STATE;
}
const auto& kernel = system.Kernel();
const auto* const current_process = kernel.CurrentProcess();
const auto& handle_table = current_process->GetHandleTable();
auto transfer_memory = handle_table.Get<TransferMemory>(handle);
if (!transfer_memory) {
LOG_ERROR(Kernel_SVC, "Nonexistent transfer memory handle given (handle=0x{:08X}).",
handle);
return ERR_INVALID_HANDLE;
}
if (!current_process->VMManager().IsWithinASLRRegion(address, size)) {
LOG_ERROR(Kernel_SVC,
"Given address and size don't fully fit within the ASLR region "
"(address=0x{:016X}, size=0x{:016X}).",
address, size);
return ERR_INVALID_MEMORY_RANGE;
}
return transfer_memory->MapMemory(address, size, permissions);
}
static ResultCode UnmapTransferMemory(Core::System& system, Handle handle, VAddr address,
u64 size) {
LOG_DEBUG(Kernel_SVC, "called. handle=0x{:08X}, address=0x{:016X}, size=0x{:016X}", handle,
address, size);
if (!Common::Is4KBAligned(address)) {
LOG_ERROR(Kernel_SVC, "Transfer memory addresses must be 4KB aligned (size=0x{:016X}).",
address);
return ERR_INVALID_ADDRESS;
}
if (size == 0 || !Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC,
"Transfer memory sizes must be 4KB aligned and not be zero (size=0x{:016X}).",
size);
return ERR_INVALID_SIZE;
}
if (!IsValidAddressRange(address, size)) {
LOG_ERROR(Kernel_SVC,
"Given address and size overflows the 64-bit range (address=0x{:016X}, "
"size=0x{:016X}).",
address, size);
return ERR_INVALID_ADDRESS_STATE;
}
const auto& kernel = system.Kernel();
const auto* const current_process = kernel.CurrentProcess();
const auto& handle_table = current_process->GetHandleTable();
auto transfer_memory = handle_table.Get<TransferMemory>(handle);
if (!transfer_memory) {
LOG_ERROR(Kernel_SVC, "Nonexistent transfer memory handle given (handle=0x{:08X}).",
handle);
return ERR_INVALID_HANDLE;
}
if (!current_process->VMManager().IsWithinASLRRegion(address, size)) {
LOG_ERROR(Kernel_SVC,
"Given address and size don't fully fit within the ASLR region "
"(address=0x{:016X}, size=0x{:016X}).",
address, size);
return ERR_INVALID_MEMORY_RANGE;
}
return transfer_memory->UnmapMemory(address, size);
}
static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle, u32* core,
u64* mask) {
LOG_TRACE(Kernel_SVC, "called, handle=0x{:08X}", thread_handle);
@ -2074,52 +1750,6 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle,
return RESULT_SUCCESS;
}
static ResultCode CreateSharedMemory(Core::System& system, Handle* handle, u64 size,
u32 local_permissions, u32 remote_permissions) {
LOG_TRACE(Kernel_SVC, "called, size=0x{:X}, localPerms=0x{:08X}, remotePerms=0x{:08X}", size,
local_permissions, remote_permissions);
if (size == 0) {
LOG_ERROR(Kernel_SVC, "Size is 0");
return ERR_INVALID_SIZE;
}
if (!Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:016X}", size);
return ERR_INVALID_SIZE;
}
if (size >= MAIN_MEMORY_SIZE) {
LOG_ERROR(Kernel_SVC, "Size is not less than 8GB, 0x{:016X}", size);
return ERR_INVALID_SIZE;
}
const auto local_perms = static_cast<MemoryPermission>(local_permissions);
if (local_perms != MemoryPermission::Read && local_perms != MemoryPermission::ReadWrite) {
LOG_ERROR(Kernel_SVC,
"Invalid local memory permissions, expected Read or ReadWrite but got "
"local_permissions={}",
static_cast<u32>(local_permissions));
return ERR_INVALID_MEMORY_PERMISSIONS;
}
const auto remote_perms = static_cast<MemoryPermission>(remote_permissions);
if (remote_perms != MemoryPermission::Read && remote_perms != MemoryPermission::ReadWrite &&
remote_perms != MemoryPermission::DontCare) {
LOG_ERROR(Kernel_SVC,
"Invalid remote memory permissions, expected Read, ReadWrite or DontCare but got "
"remote_permissions={}",
static_cast<u32>(remote_permissions));
return ERR_INVALID_MEMORY_PERMISSIONS;
}
auto& kernel = system.Kernel();
auto process = kernel.CurrentProcess();
auto& handle_table = process->GetHandleTable();
auto shared_mem_handle = SharedMemory::Create(kernel, process, size, local_perms, remote_perms);
CASCADE_RESULT(*handle, handle_table.Create(shared_mem_handle));
return RESULT_SUCCESS;
}
static ResultCode CreateEvent(Core::System& system, Handle* write_handle, Handle* read_handle) {
LOG_DEBUG(Kernel_SVC, "called");
@ -2306,11 +1936,10 @@ static ResultCode GetProcessList(Core::System& system, u32* out_num_processes,
}
const auto& kernel = system.Kernel();
const auto& vm_manager = kernel.CurrentProcess()->VMManager();
const auto total_copy_size = out_process_ids_size * sizeof(u64);
if (out_process_ids_size > 0 &&
!vm_manager.IsWithinAddressSpace(out_process_ids, total_copy_size)) {
if (out_process_ids_size > 0 && !kernel.CurrentProcess()->PageTable().IsInsideAddressSpace(
out_process_ids, total_copy_size)) {
LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
out_process_ids, out_process_ids + total_copy_size);
return ERR_INVALID_ADDRESS_STATE;
@ -2346,11 +1975,10 @@ static ResultCode GetThreadList(Core::System& system, u32* out_num_threads, VAdd
}
const auto* const current_process = system.Kernel().CurrentProcess();
const auto& vm_manager = current_process->VMManager();
const auto total_copy_size = out_thread_ids_size * sizeof(u64);
if (out_thread_ids_size > 0 &&
!vm_manager.IsWithinAddressSpace(out_thread_ids, total_copy_size)) {
!current_process->PageTable().IsInsideAddressSpace(out_thread_ids, total_copy_size)) {
LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
out_thread_ids, out_thread_ids + total_copy_size);
return ERR_INVALID_ADDRESS_STATE;
@ -2511,7 +2139,7 @@ static const FunctionDef SVC_Table_32[] = {
static const FunctionDef SVC_Table_64[] = {
{0x00, nullptr, "Unknown"},
{0x01, SvcWrap64<SetHeapSize>, "SetHeapSize"},
{0x02, SvcWrap64<SetMemoryPermission>, "SetMemoryPermission"},
{0x02, nullptr, "SetMemoryPermission"},
{0x03, SvcWrap64<SetMemoryAttribute>, "SetMemoryAttribute"},
{0x04, SvcWrap64<MapMemory>, "MapMemory"},
{0x05, SvcWrap64<UnmapMemory>, "UnmapMemory"},
@ -2529,7 +2157,7 @@ static const FunctionDef SVC_Table_64[] = {
{0x11, SvcWrap64<SignalEvent>, "SignalEvent"},
{0x12, SvcWrap64<ClearEvent>, "ClearEvent"},
{0x13, SvcWrap64<MapSharedMemory>, "MapSharedMemory"},
{0x14, SvcWrap64<UnmapSharedMemory>, "UnmapSharedMemory"},
{0x14, nullptr, "UnmapSharedMemory"},
{0x15, SvcWrap64<CreateTransferMemory>, "CreateTransferMemory"},
{0x16, SvcWrap64<CloseHandle>, "CloseHandle"},
{0x17, SvcWrap64<ResetSignal>, "ResetSignal"},
@ -2589,9 +2217,9 @@ static const FunctionDef SVC_Table_64[] = {
{0x4D, nullptr, "SleepSystem"},
{0x4E, nullptr, "ReadWriteRegister"},
{0x4F, nullptr, "SetProcessActivity"},
{0x50, SvcWrap64<CreateSharedMemory>, "CreateSharedMemory"},
{0x51, SvcWrap64<MapTransferMemory>, "MapTransferMemory"},
{0x52, SvcWrap64<UnmapTransferMemory>, "UnmapTransferMemory"},
{0x50, nullptr, "CreateSharedMemory"},
{0x51, nullptr, "MapTransferMemory"},
{0x52, nullptr, "UnmapTransferMemory"},
{0x53, nullptr, "CreateInterruptEvent"},
{0x54, nullptr, "QueryPhysicalAddress"},
{0x55, nullptr, "QueryIoMapping"},
@ -2628,8 +2256,8 @@ static const FunctionDef SVC_Table_64[] = {
{0x74, nullptr, "MapProcessMemory"},
{0x75, nullptr, "UnmapProcessMemory"},
{0x76, SvcWrap64<QueryProcessMemory>, "QueryProcessMemory"},
{0x77, SvcWrap64<MapProcessCodeMemory>, "MapProcessCodeMemory"},
{0x78, SvcWrap64<UnmapProcessCodeMemory>, "UnmapProcessCodeMemory"},
{0x77, nullptr, "MapProcessCodeMemory"},
{0x78, nullptr, "UnmapProcessCodeMemory"},
{0x79, nullptr, "CreateProcess"},
{0x7A, nullptr, "StartProcess"},
{0x7B, nullptr, "TerminateProcess"},

Write Preview
Loading…
Cancel
Save