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Merge pull request #2690 from SciresM/physmem_fixes

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Implement MapPhysicalMemory/UnmapPhysicalMemory
This commit is contained in:
Fernando Sahmkow 2019-07-14 09:16:46 -04:00 • committed by GitHub
commit 4882c058fd
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 507 additions and 45 deletions
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117
src/core/hle/kernel/svc.cpp
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@ -736,16 +736,16 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
StackRegionBaseAddr = 14,
StackRegionSize = 15,
// 3.0.0+
IsVirtualAddressMemoryEnabled = 16,
PersonalMmHeapUsage = 17,
SystemResourceSize = 16,
SystemResourceUsage = 17,
TitleId = 18,
// 4.0.0+
PrivilegedProcessId = 19,
// 5.0.0+
UserExceptionContextAddr = 20,
// 6.0.0+
TotalPhysicalMemoryAvailableWithoutMmHeap = 21,
TotalPhysicalMemoryUsedWithoutMmHeap = 22,
TotalPhysicalMemoryAvailableWithoutSystemResource = 21,
TotalPhysicalMemoryUsedWithoutSystemResource = 22,
};
const auto info_id_type = static_cast<GetInfoType>(info_id);
@ -763,12 +763,12 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
case GetInfoType::StackRegionSize:
case GetInfoType::TotalPhysicalMemoryAvailable:
case GetInfoType::TotalPhysicalMemoryUsed:
case GetInfoType::IsVirtualAddressMemoryEnabled:
case GetInfoType::PersonalMmHeapUsage:
case GetInfoType::SystemResourceSize:
case GetInfoType::SystemResourceUsage:
case GetInfoType::TitleId:
case GetInfoType::UserExceptionContextAddr:
case GetInfoType::TotalPhysicalMemoryAvailableWithoutMmHeap:
case GetInfoType::TotalPhysicalMemoryUsedWithoutMmHeap: {
case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource: {
if (info_sub_id != 0) {
return ERR_INVALID_ENUM_VALUE;
}
@ -829,8 +829,13 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
*result = process->GetTotalPhysicalMemoryUsed();
return RESULT_SUCCESS;
case GetInfoType::IsVirtualAddressMemoryEnabled:
*result = process->IsVirtualMemoryEnabled();
case GetInfoType::SystemResourceSize:
*result = process->GetSystemResourceSize();
return RESULT_SUCCESS;
case GetInfoType::SystemResourceUsage:
LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query system resource usage");
*result = process->GetSystemResourceUsage();
return RESULT_SUCCESS;
case GetInfoType::TitleId:
@ -843,12 +848,12 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
*result = 0;
return RESULT_SUCCESS;
case GetInfoType::TotalPhysicalMemoryAvailableWithoutMmHeap:
*result = process->GetTotalPhysicalMemoryAvailable();
case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
*result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource();
return RESULT_SUCCESS;
case GetInfoType::TotalPhysicalMemoryUsedWithoutMmHeap:
*result = process->GetTotalPhysicalMemoryUsedWithoutMmHeap();
case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource:
*result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource();
return RESULT_SUCCESS;
default:
@ -953,6 +958,86 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
}
}
/// Maps memory at a desired address
static ResultCode MapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size);
if (!Common::Is4KBAligned(addr)) {
LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, 0x{:016X}", addr);
return ERR_INVALID_ADDRESS;
}
if (!Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:X}", size);
return ERR_INVALID_SIZE;
}
if (size == 0) {
LOG_ERROR(Kernel_SVC, "Size is zero");
return ERR_INVALID_SIZE;
}
if (!(addr < addr + size)) {
LOG_ERROR(Kernel_SVC, "Size causes 64-bit overflow of address");
return ERR_INVALID_MEMORY_RANGE;
}
Process* const current_process = system.Kernel().CurrentProcess();
auto& vm_manager = current_process->VMManager();
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");
return ERR_INVALID_MEMORY_RANGE;
}
return vm_manager.MapPhysicalMemory(addr, size);
}
/// Unmaps memory previously mapped via MapPhysicalMemory
static ResultCode UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size);
if (!Common::Is4KBAligned(addr)) {
LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, 0x{:016X}", addr);
return ERR_INVALID_ADDRESS;
}
if (!Common::Is4KBAligned(size)) {
LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:X}", size);
return ERR_INVALID_SIZE;
}
if (size == 0) {
LOG_ERROR(Kernel_SVC, "Size is zero");
return ERR_INVALID_SIZE;
}
if (!(addr < addr + size)) {
LOG_ERROR(Kernel_SVC, "Size causes 64-bit overflow of address");
return ERR_INVALID_MEMORY_RANGE;
}
Process* const current_process = system.Kernel().CurrentProcess();
auto& vm_manager = current_process->VMManager();
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");
return ERR_INVALID_MEMORY_RANGE;
}
return vm_manager.UnmapPhysicalMemory(addr, size);
}
/// Sets the thread activity
static ResultCode SetThreadActivity(Core::System& system, Handle handle, u32 activity) {
LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, activity=0x{:08X}", handle, activity);
@ -2310,8 +2395,8 @@ static const FunctionDef SVC_Table[] = {
{0x29, SvcWrap<GetInfo>, "GetInfo"},
{0x2A, nullptr, "FlushEntireDataCache"},
{0x2B, nullptr, "FlushDataCache"},
{0x2C, nullptr, "MapPhysicalMemory"},
{0x2D, nullptr, "UnmapPhysicalMemory"},
{0x2C, SvcWrap<MapPhysicalMemory>, "MapPhysicalMemory"},
{0x2D, SvcWrap<UnmapPhysicalMemory>, "UnmapPhysicalMemory"},
{0x2E, nullptr, "GetFutureThreadInfo"},
{0x2F, nullptr, "GetLastThreadInfo"},
{0x30, SvcWrap<GetResourceLimitLimitValue>, "GetResourceLimitLimitValue"},