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Merge pull request #1257 from yuriks/svcGetSystemInfo
Kernel: Implement svcGetSystemInfo
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commit
bec9049597
@ -159,6 +159,14 @@ template<ResultCode func(s32*, u32, s32)> void Wrap() {
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FuncReturn(retval);
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}
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template<ResultCode func(s64*, u32, s32)> void Wrap() {
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s64 param_1 = 0;
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u32 retval = func(¶m_1, PARAM(1), PARAM(2)).raw;
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Core::g_app_core->SetReg(1, (u32)param_1);
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Core::g_app_core->SetReg(2, (u32)(param_1 >> 32));
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FuncReturn(retval);
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}
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template<ResultCode func(u32*, u32, u32, u32, u32)> void Wrap() {
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u32 param_1 = 0;
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u32 retval = func(¶m_1, PARAM(1), PARAM(2), PARAM(3), PARAM(4)).raw;
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@ -51,6 +51,7 @@ void MemoryInit(u32 mem_type) {
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for (int i = 0; i < 3; ++i) {
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memory_regions[i].base = base;
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memory_regions[i].size = memory_region_sizes[mem_type][i];
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memory_regions[i].used = 0;
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memory_regions[i].linear_heap_memory = std::make_shared<std::vector<u8>>();
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base += memory_regions[i].size;
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@ -72,6 +73,7 @@ void MemoryShutdown() {
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for (auto& region : memory_regions) {
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region.base = 0;
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region.size = 0;
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region.used = 0;
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region.linear_heap_memory = nullptr;
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}
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}
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@ -17,6 +17,7 @@ class VMManager;
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struct MemoryRegionInfo {
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u32 base; // Not an address, but offset from start of FCRAM
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u32 size;
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u32 used;
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std::shared_ptr<std::vector<u8>> linear_heap_memory;
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};
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@ -111,6 +111,7 @@ void Process::Run(s32 main_thread_priority, u32 stack_size) {
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segment.offset, segment.size, memory_state).Unwrap();
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vm_manager.Reprotect(vma, permissions);
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misc_memory_used += segment.size;
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memory_region->used += segment.size;
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};
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// Map CodeSet segments
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@ -123,6 +124,7 @@ void Process::Run(s32 main_thread_priority, u32 stack_size) {
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std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size, MemoryState::Locked
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).Unwrap();
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misc_memory_used += stack_size;
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memory_region->used += stack_size;
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vm_manager.LogLayout(Log::Level::Debug);
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Kernel::SetupMainThread(codeset->entrypoint, main_thread_priority);
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@ -165,6 +167,7 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u32 size, VMAPermission per
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vm_manager.Reprotect(vma, perms);
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heap_used += size;
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memory_region->used += size;
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return MakeResult<VAddr>(heap_end - size);
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}
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@ -182,6 +185,7 @@ ResultCode Process::HeapFree(VAddr target, u32 size) {
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if (result.IsError()) return result;
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heap_used -= size;
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memory_region->used -= size;
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return RESULT_SUCCESS;
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}
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@ -217,6 +221,7 @@ ResultVal<VAddr> Process::LinearAllocate(VAddr target, u32 size, VMAPermission p
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vm_manager.Reprotect(vma, perms);
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linear_heap_used += size;
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memory_region->used += size;
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return MakeResult<VAddr>(target);
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}
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@ -243,6 +248,7 @@ ResultCode Process::LinearFree(VAddr target, u32 size) {
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if (result.IsError()) return result;
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linear_heap_used -= size;
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memory_region->used -= size;
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if (target + size == heap_end) {
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// End of linear heap has been freed, so check what's the last allocated block in it and
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@ -20,6 +20,7 @@
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/kernel/memory.h"
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#include "core/hle/kernel/mutex.h"
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#include "core/hle/result.h"
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#include "core/memory.h"
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@ -118,6 +119,7 @@ void Thread::Stop() {
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Kernel::g_current_process->used_tls_slots[tls_index] = false;
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g_current_process->misc_memory_used -= Memory::TLS_ENTRY_SIZE;
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g_current_process->memory_region->used -= Memory::TLS_ENTRY_SIZE;
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HLE::Reschedule(__func__);
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}
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@ -416,6 +418,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
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ASSERT_MSG(thread->tls_index != -1, "Out of TLS space");
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g_current_process->misc_memory_used += Memory::TLS_ENTRY_SIZE;
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g_current_process->memory_region->used += Memory::TLS_ENTRY_SIZE;
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// TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
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// to initialize the context
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@ -778,6 +778,51 @@ static ResultCode CreateMemoryBlock(Handle* out_handle, u32 addr, u32 size, u32
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return RESULT_SUCCESS;
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}
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static ResultCode GetSystemInfo(s64* out, u32 type, s32 param) {
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using Kernel::MemoryRegion;
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LOG_TRACE(Kernel_SVC, "called process=0x%08X type=%u param=%d", process_handle, type, param);
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switch ((SystemInfoType)type) {
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case SystemInfoType::REGION_MEMORY_USAGE:
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switch ((SystemInfoMemUsageRegion)param) {
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case SystemInfoMemUsageRegion::ALL:
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*out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::APPLICATION)->used
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+ Kernel::GetMemoryRegion(Kernel::MemoryRegion::SYSTEM)->used
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+ Kernel::GetMemoryRegion(Kernel::MemoryRegion::BASE)->used;
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break;
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case SystemInfoMemUsageRegion::APPLICATION:
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*out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::APPLICATION)->used;
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break;
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case SystemInfoMemUsageRegion::SYSTEM:
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*out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::SYSTEM)->used;
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break;
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case SystemInfoMemUsageRegion::BASE:
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*out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::BASE)->used;
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break;
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default:
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LOG_ERROR(Kernel_SVC, "unknown GetSystemInfo type=0 region: param=%d", param);
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*out = 0;
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break;
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}
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break;
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case SystemInfoType::KERNEL_ALLOCATED_PAGES:
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LOG_ERROR(Kernel_SVC, "unimplemented GetSystemInfo type=2 param=%d", type, param);
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*out = 0;
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break;
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case SystemInfoType::KERNEL_SPAWNED_PIDS:
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*out = 5;
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break;
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default:
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LOG_ERROR(Kernel_SVC, "unknown GetSystemInfo type=%u param=%d", type, param);
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*out = 0;
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break;
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}
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// This function never returns an error, even if invalid parameters were passed.
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return RESULT_SUCCESS;
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}
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static ResultCode GetProcessInfo(s64* out, Handle process_handle, u32 type) {
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LOG_TRACE(Kernel_SVC, "called process=0x%08X type=%u", process_handle, type);
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@ -877,7 +922,7 @@ static const FunctionDef SVC_Table[] = {
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{0x27, HLE::Wrap<DuplicateHandle>, "DuplicateHandle"},
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{0x28, HLE::Wrap<GetSystemTick>, "GetSystemTick"},
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{0x29, nullptr, "GetHandleInfo"},
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{0x2A, nullptr, "GetSystemInfo"},
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{0x2A, HLE::Wrap<GetSystemInfo>, "GetSystemInfo"},
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{0x2B, HLE::Wrap<GetProcessInfo>, "GetProcessInfo"},
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{0x2C, nullptr, "GetThreadInfo"},
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{0x2D, HLE::Wrap<ConnectToPort>, "ConnectToPort"},
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@ -41,6 +41,35 @@ enum ArbitrationType {
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namespace SVC {
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/// Values accepted by svcGetSystemInfo's type parameter.
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enum class SystemInfoType {
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/**
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* Reports total used memory for all regions or a specific one, according to the extra
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* parameter. See `SystemInfoMemUsageRegion`.
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*/
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REGION_MEMORY_USAGE = 0,
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/**
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* Returns the memory usage for certain allocations done internally by the kernel.
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*/
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KERNEL_ALLOCATED_PAGES = 2,
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/**
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* "This returns the total number of processes which were launched directly by the kernel.
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* For the ARM11 NATIVE_FIRM kernel, this is 5, for processes sm, fs, pm, loader, and pxi."
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*/
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KERNEL_SPAWNED_PIDS = 26,
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};
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/**
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* Accepted by svcGetSystemInfo param with REGION_MEMORY_USAGE type. Selects a region to query
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* memory usage of.
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*/
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enum class SystemInfoMemUsageRegion {
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ALL = 0,
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APPLICATION = 1,
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SYSTEM = 2,
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BASE = 3,
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};
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void CallSVC(u32 immediate);
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} // namespace
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