From 84a22cb5947b0733a043429032367227e73342dc Mon Sep 17 00:00:00 2001 From: Yuri Kunde Schlesner Date: Thu, 26 Nov 2015 19:00:16 -0800 Subject: Kernel: Implement svcGetSystemInfo This makes smealum/ctrulib@b96dd51d3349961189d4ab1bc2a5c45deff21c09 work with Citra. --- src/core/hle/svc.cpp | 47 ++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 46 insertions(+), 1 deletion(-) (limited to 'src/core/hle/svc.cpp') diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp index 45d5f3c5d..7f63ff505 100644 --- a/src/core/hle/svc.cpp +++ b/src/core/hle/svc.cpp @@ -778,6 +778,51 @@ static ResultCode CreateMemoryBlock(Handle* out_handle, u32 addr, u32 size, u32 return RESULT_SUCCESS; } +static ResultCode GetSystemInfo(s64* out, u32 type, s32 param) { + using Kernel::MemoryRegion; + + LOG_TRACE(Kernel_SVC, "called process=0x%08X type=%u param=%d", process_handle, type, param); + + switch ((SystemInfoType)type) { + case SystemInfoType::REGION_MEMORY_USAGE: + switch ((SystemInfoMemUsageRegion)param) { + case SystemInfoMemUsageRegion::ALL: + *out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::APPLICATION)->used + + Kernel::GetMemoryRegion(Kernel::MemoryRegion::SYSTEM)->used + + Kernel::GetMemoryRegion(Kernel::MemoryRegion::BASE)->used; + break; + case SystemInfoMemUsageRegion::APPLICATION: + *out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::APPLICATION)->used; + break; + case SystemInfoMemUsageRegion::SYSTEM: + *out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::SYSTEM)->used; + break; + case SystemInfoMemUsageRegion::BASE: + *out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::BASE)->used; + break; + default: + LOG_ERROR(Kernel_SVC, "unknown GetSystemInfo type=0 region: param=%d", param); + *out = 0; + break; + } + break; + case SystemInfoType::KERNEL_ALLOCATED_PAGES: + LOG_ERROR(Kernel_SVC, "unimplemented GetSystemInfo type=2 param=%d", type, param); + *out = 0; + break; + case SystemInfoType::KERNEL_SPAWNED_PIDS: + *out = 5; + break; + default: + LOG_ERROR(Kernel_SVC, "unknown GetSystemInfo type=%u param=%d", type, param); + *out = 0; + break; + } + + // This function never returns an error, even if invalid parameters were passed. + return RESULT_SUCCESS; +} + static ResultCode GetProcessInfo(s64* out, Handle process_handle, u32 type) { LOG_TRACE(Kernel_SVC, "called process=0x%08X type=%u", process_handle, type); @@ -877,7 +922,7 @@ static const FunctionDef SVC_Table[] = { {0x27, HLE::Wrap, "DuplicateHandle"}, {0x28, HLE::Wrap, "GetSystemTick"}, {0x29, nullptr, "GetHandleInfo"}, - {0x2A, nullptr, "GetSystemInfo"}, + {0x2A, HLE::Wrap, "GetSystemInfo"}, {0x2B, HLE::Wrap, "GetProcessInfo"}, {0x2C, nullptr, "GetThreadInfo"}, {0x2D, HLE::Wrap, "ConnectToPort"}, -- cgit v1.2.3