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-rw-r--r--src/core/hle/kernel/resource_limit.h6
-rw-r--r--src/core/hle/kernel/svc.cpp121
-rw-r--r--src/core/hle/kernel/svc_wrap.h8
3 files changed, 130 insertions, 5 deletions
diff --git a/src/core/hle/kernel/resource_limit.h b/src/core/hle/kernel/resource_limit.h
index bec065543..59dc11c22 100644
--- a/src/core/hle/kernel/resource_limit.h
+++ b/src/core/hle/kernel/resource_limit.h
@@ -14,7 +14,7 @@ namespace Kernel {
class KernelCore;
-enum class ResourceType {
+enum class ResourceType : u32 {
PhysicalMemory,
Threads,
Events,
@@ -25,6 +25,10 @@ enum class ResourceType {
ResourceTypeCount
};
+constexpr bool IsValidResourceType(ResourceType type) {
+ return type < ResourceType::ResourceTypeCount;
+}
+
class ResourceLimit final : public Object {
public:
/**
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index f287f7c97..1f19d5576 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.
@@ -1346,6 +1378,87 @@ static ResultCode GetProcessInfo(u64* out, Handle process_handle, u32 type) {
return RESULT_SUCCESS;
}
+static ResultCode CreateResourceLimit(Handle* out_handle) {
+ LOG_DEBUG(Kernel_SVC, "called");
+
+ auto& kernel = Core::System::GetInstance().Kernel();
+ auto resource_limit = ResourceLimit::Create(kernel);
+
+ auto* const current_process = kernel.CurrentProcess();
+ ASSERT(current_process != nullptr);
+
+ const auto handle = current_process->GetHandleTable().Create(std::move(resource_limit));
+ if (handle.Failed()) {
+ return handle.Code();
+ }
+
+ *out_handle = *handle;
+ return RESULT_SUCCESS;
+}
+
+static ResultCode GetResourceLimitLimitValue(u64* out_value, Handle resource_limit,
+ u32 resource_type) {
+ LOG_DEBUG(Kernel_SVC, "called. Handle={:08X}, Resource type={}", resource_limit, resource_type);
+
+ const auto limit_value = RetrieveResourceLimitValue(resource_limit, resource_type,
+ ResourceLimitValueType::LimitValue);
+ if (limit_value.Failed()) {
+ return limit_value.Code();
+ }
+
+ *out_value = static_cast<u64>(*limit_value);
+ return RESULT_SUCCESS;
+}
+
+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();
+ }
+
+ *out_value = static_cast<u64>(*current_value);
+ 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();
@@ -1405,8 +1518,8 @@ static const FunctionDef SVC_Table[] = {
{0x2D, nullptr, "UnmapPhysicalMemory"},
{0x2E, nullptr, "GetFutureThreadInfo"},
{0x2F, nullptr, "GetLastThreadInfo"},
- {0x30, nullptr, "GetResourceLimitLimitValue"},
- {0x31, nullptr, "GetResourceLimitCurrentValue"},
+ {0x30, SvcWrap<GetResourceLimitLimitValue>, "GetResourceLimitLimitValue"},
+ {0x31, SvcWrap<GetResourceLimitCurrentValue>, "GetResourceLimitCurrentValue"},
{0x32, SvcWrap<SetThreadActivity>, "SetThreadActivity"},
{0x33, SvcWrap<GetThreadContext>, "GetThreadContext"},
{0x34, SvcWrap<WaitForAddress>, "WaitForAddress"},
@@ -1482,8 +1595,8 @@ static const FunctionDef SVC_Table[] = {
{0x7A, nullptr, "StartProcess"},
{0x7B, nullptr, "TerminateProcess"},
{0x7C, SvcWrap<GetProcessInfo>, "GetProcessInfo"},
- {0x7D, nullptr, "CreateResourceLimit"},
- {0x7E, nullptr, "SetResourceLimitLimitValue"},
+ {0x7D, SvcWrap<CreateResourceLimit>, "CreateResourceLimit"},
+ {0x7E, SvcWrap<SetResourceLimitLimitValue>, "SetResourceLimitLimitValue"},
{0x7F, nullptr, "CallSecureMonitor"},
};
diff --git a/src/core/hle/kernel/svc_wrap.h b/src/core/hle/kernel/svc_wrap.h
index 233a99fb0..fa1116624 100644
--- a/src/core/hle/kernel/svc_wrap.h
+++ b/src/core/hle/kernel/svc_wrap.h
@@ -43,6 +43,14 @@ void SvcWrap() {
FuncReturn(func(static_cast<u32>(Param(0)), static_cast<u32>(Param(1))).raw);
}
+template <ResultCode func(u32*)>
+void SvcWrap() {
+ u32 param = 0;
+ const u32 retval = func(&param).raw;
+ Core::CurrentArmInterface().SetReg(1, param);
+ FuncReturn(retval);
+}
+
template <ResultCode func(u32*, u32)>
void SvcWrap() {
u32 param_1 = 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 03:58:46 +0100