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author | Lioncash <mathew1800@gmail.com> | 2018-11-27 01:14:29 +0100 |
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committer | Lioncash <mathew1800@gmail.com> | 2018-11-27 03:23:11 +0100 |
commit | eb5596044dfb3ee862ca239f9cb08eb4b9b3903f (patch) | |
tree | 6407a55837956cbf6f3c7cac114bceea903d4203 /src/core | |
parent | svc: Implement svcGetResourceLimitLimitValue() (diff) | |
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Diffstat (limited to 'src/core')
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 65 |
1 files changed, 49 insertions, 16 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 5e604411b..9d1b000b5 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -105,6 +105,38 @@ ResultCode MapUnmapMemorySanityChecks(const VMManager& vm_manager, VAddr dst_add return RESULT_SUCCESS; } + +enum class ResourceLimitValueType { + CurrentValue, + LimitValue, +}; + +ResultVal<s64> RetrieveResourceLimitValue(Handle resource_limit, u32 resource_type, + ResourceLimitValueType value_type) { + const auto type = static_cast<ResourceType>(resource_type); + if (!IsValidResourceType(type)) { + LOG_ERROR(Kernel_SVC, "Invalid resource limit type: '{}'", resource_type); + return ERR_INVALID_ENUM_VALUE; + } + + const auto& kernel = Core::System::GetInstance().Kernel(); + const auto* const current_process = kernel.CurrentProcess(); + ASSERT(current_process != nullptr); + + const auto resource_limit_object = + current_process->GetHandleTable().Get<ResourceLimit>(resource_limit); + if (!resource_limit_object) { + LOG_ERROR(Kernel_SVC, "Handle to non-existent resource limit instance used. Handle={:08X}", + resource_limit); + return ERR_INVALID_HANDLE; + } + + if (value_type == ResourceLimitValueType::CurrentValue) { + return MakeResult(resource_limit_object->GetCurrentResourceValue(type)); + } + + return MakeResult(resource_limit_object->GetMaxResourceValue(type)); +} } // Anonymous namespace /// Set the process heap to a given Size. It can both extend and shrink the heap. @@ -1368,26 +1400,27 @@ static ResultCode GetResourceLimitLimitValue(u64* out_value, Handle resource_lim u32 resource_type) { LOG_DEBUG(Kernel_SVC, "called. Handle={:08X}, Resource type={}", resource_limit, resource_type); - const auto type = static_cast<ResourceType>(resource_type); - if (!IsValidResourceType(type)) { - LOG_ERROR(Kernel_SVC, "Invalid resource limit type: '{}'.", resource_type); - return ERR_INVALID_ENUM_VALUE; + const auto limit_value = RetrieveResourceLimitValue(resource_limit, resource_type, + ResourceLimitValueType::LimitValue); + if (limit_value.Failed()) { + return limit_value.Code(); } - const auto& kernel = Core::System::GetInstance().Kernel(); - const auto* const current_process = kernel.CurrentProcess(); - ASSERT(current_process != nullptr); + *out_value = static_cast<u64>(*limit_value); + return RESULT_SUCCESS; +} - const auto resource_limit_object = - current_process->GetHandleTable().Get<ResourceLimit>(resource_limit); - if (!resource_limit_object) { - LOG_ERROR(Kernel_SVC, "Handle to non-existent resource limit instance used. Handle={:08X}", - resource_limit); - return ERR_INVALID_HANDLE; +static ResultCode GetResourceLimitCurrentValue(u64* out_value, Handle resource_limit, + u32 resource_type) { + LOG_DEBUG(Kernel_SVC, "called. Handle={:08X}, Resource type={}", resource_limit, resource_type); + + const auto current_value = RetrieveResourceLimitValue(resource_limit, resource_type, + ResourceLimitValueType::CurrentValue); + if (current_value.Failed()) { + return current_value.Code(); } - const s64 limit_value = resource_limit_object->GetMaxResourceValue(type); - *out_value = static_cast<u64>(limit_value); + *out_value = static_cast<u64>(*current_value); return RESULT_SUCCESS; } @@ -1451,7 +1484,7 @@ static const FunctionDef SVC_Table[] = { {0x2E, nullptr, "GetFutureThreadInfo"}, {0x2F, nullptr, "GetLastThreadInfo"}, {0x30, SvcWrap<GetResourceLimitLimitValue>, "GetResourceLimitLimitValue"}, - {0x31, nullptr, "GetResourceLimitCurrentValue"}, + {0x31, SvcWrap<GetResourceLimitCurrentValue>, "GetResourceLimitCurrentValue"}, {0x32, SvcWrap<SetThreadActivity>, "SetThreadActivity"}, {0x33, SvcWrap<GetThreadContext>, "GetThreadContext"}, {0x34, SvcWrap<WaitForAddress>, "WaitForAddress"}, |