svc: Improve svcGetInfo.
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parent
e9710a2cf7
commit
72f671fd7a
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@ -194,16 +194,38 @@ static void OutputDebugString(VAddr address, s32 len) {
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LOG_DEBUG(Debug_Emulated, "%.*s", len, string.data());
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}
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/// Gets system/memory information for the current process
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static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id) {
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LOG_TRACE(Kernel_SVC, "called, info_id=0x%X, info_sub_id=0x%X, handle=0x%08X", info_id, info_sub_id, handle);
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LOG_TRACE(Kernel_SVC, "called info_id=0x%X, info_sub_id=0x%X, handle=0x%08X", info_id,
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info_sub_id, handle);
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if (!handle) {
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switch (info_id) {
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case 0xB:
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*result = 0; // Used for PRNG seed
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return RESULT_SUCCESS;
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}
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auto& vm_manager = Kernel::g_current_process->vm_manager;
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switch (static_cast<GetInfoType>(info_id)) {
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case GetInfoType::TotalMemoryUsage:
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*result = vm_manager.GetTotalMemoryUsage();
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break;
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case GetInfoType::TotalHeapUsage:
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*result = vm_manager.GetTotalHeapUsage();
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break;
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case GetInfoType::RandomEntropy:
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*result = 0;
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break;
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case GetInfoType::AddressSpaceBaseAddr:
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*result = vm_manager.GetAddressSpaceBaseAddr();
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break;
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case GetInfoType::AddressSpaceSize:
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*result = vm_manager.GetAddressSpaceSize();
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break;
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case GetInfoType::NewMapRegionBaseAddr:
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*result = vm_manager.GetNewMapRegionBaseAddr();
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break;
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case GetInfoType::NewMapRegionSize:
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*result = vm_manager.GetNewMapRegionSize();
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break;
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default:
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UNIMPLEMENTED();
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}
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return RESULT_SUCCESS;
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}
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@ -26,35 +26,19 @@ struct PageInfo {
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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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/// Values accepted by svcGetInfo
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enum class GetInfoType : u64 {
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// 1.0.0+
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TotalMemoryUsage = 6,
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TotalHeapUsage = 7,
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RandomEntropy = 11,
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// 2.0.0+
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AddressSpaceBaseAddr = 12,
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AddressSpaceSize = 13,
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NewMapRegionBaseAddr = 14,
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NewMapRegionSize = 15,
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};
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void CallSVC(u32 immediate);
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} // namespace
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} // namespace SVC
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