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[svc] Implement GetSystemInfo (#3217) 

This function is a copy-cat implementation of Ryujinx's method

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3217
Reviewed-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: Maufeat <sahyno1996@gmail.com>
Co-committed-by: Maufeat <sahyno1996@gmail.com>
This commit is contained in:
Maufeat 2025-12-27 22:39:38 +01:00 committed by crueter
parent ba3eda83d3
commit 1d629fe83c
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1 changed files with 42 additions and 2 deletions
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44
src/core/hle/kernel/svc/svc_info.cpp
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@ -6,6 +6,7 @@
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/kernel/k_memory_manager.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/svc.h"
@ -271,8 +272,47 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
Result GetSystemInfo(Core::System& system, uint64_t* out, SystemInfoType info_type, Handle handle,
uint64_t info_subtype) {
UNIMPLEMENTED();
R_THROW(ResultNotImplemented);
const u32 info_id = static_cast<u32>(info_type);
R_UNLESS(info_id <= 2, ResultInvalidEnumValue);
R_UNLESS(handle == 0, ResultInvalidHandle);
if (info_id < 2) {
R_UNLESS(info_subtype <= 3, ResultInvalidCombination);
auto& memory_manager = system.Kernel().MemoryManager();
const auto pool = static_cast<KMemoryManager::Pool>(info_subtype);
switch (info_type) {
case SystemInfoType::TotalPhysicalMemorySize:
*out = memory_manager.GetSize(pool);
break;
case SystemInfoType::UsedPhysicalMemorySize:
*out = memory_manager.GetSize(pool) - memory_manager.GetFreeSize(pool);
break;
default:
R_THROW(ResultInvalidEnumValue);
}
} else {
R_UNLESS(info_subtype <= 1, ResultInvalidCombination);
constexpr u64 PrivilegedProcessLowestId = 1;
constexpr u64 PrivilegedProcessHighestId = 8;
switch (info_subtype) {
case 0:
*out = PrivilegedProcessLowestId;
break;
case 1:
*out = PrivilegedProcessHighestId;
break;
default:
R_THROW(ResultInvalidCombination);
}
}
R_SUCCEED();
}
Result GetInfo64(Core::System& system, uint64_t* out, InfoType info_type, Handle handle,