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authorLioncash <mathew1800@gmail.com>2018-11-27 01:51:09 +0100
committerLioncash <mathew1800@gmail.com>2018-11-27 03:23:15 +0100
commit5905162e364abe8312cd95dd04555aaefcfc2293 (patch)
tree6b2b4fe4bbfa474e9210fe97f057df443c56d541
parentsvc: Implement svcGetResourceLimitCurrentValue() (diff)
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-rw-r--r--src/core/hle/kernel/svc.cpp37
1 files changed, 36 insertions, 1 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 9d1b000b5..1f19d5576 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -1424,6 +1424,41 @@ static ResultCode GetResourceLimitCurrentValue(u64* out_value, Handle resource_l
return RESULT_SUCCESS;
}
+static ResultCode SetResourceLimitLimitValue(Handle resource_limit, u32 resource_type, u64 value) {
+ LOG_DEBUG(Kernel_SVC, "called. Handle={:08X}, Resource type={}, Value={}", resource_limit,
+ resource_type, value);
+
+ 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;
+ }
+
+ auto& kernel = Core::System::GetInstance().Kernel();
+ auto* const current_process = kernel.CurrentProcess();
+ ASSERT(current_process != nullptr);
+
+ 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;
+ }
+
+ const auto set_result = resource_limit_object->SetLimitValue(type, static_cast<s64>(value));
+ if (set_result.IsError()) {
+ LOG_ERROR(
+ Kernel_SVC,
+ "Attempted to lower resource limit ({}) for category '{}' below its current value ({})",
+ resource_limit_object->GetMaxResourceValue(type), resource_type,
+ resource_limit_object->GetCurrentResourceValue(type));
+ return set_result;
+ }
+
+ return RESULT_SUCCESS;
+}
+
namespace {
struct FunctionDef {
using Func = void();
@@ -1561,7 +1596,7 @@ static const FunctionDef SVC_Table[] = {
{0x7B, nullptr, "TerminateProcess"},
{0x7C, SvcWrap<GetProcessInfo>, "GetProcessInfo"},
{0x7D, SvcWrap<CreateResourceLimit>, "CreateResourceLimit"},
- {0x7E, nullptr, "SetResourceLimitLimitValue"},
+ {0x7E, SvcWrap<SetResourceLimitLimitValue>, "SetResourceLimitLimitValue"},
{0x7F, nullptr, "CallSecureMonitor"},
};