1 files changed, 157 insertions, 0 deletions
diff --git a/src/core/hle/kernel/resource_limit.cpp b/src/core/hle/kernel/resource_limit.cpp
new file mode 100644
index 00000000..94b3e329
--- /dev/null
+++ b/src/core/hle/kernel/resource_limit.cpp
@@ -0,0 +1,157 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstring>
+
+#include "common/logging/log.h"
+
+#include "core/mem_map.h"
+#include "core/hle/kernel/resource_limit.h"
+
+namespace Kernel {
+
+static SharedPtr<ResourceLimit> resource_limits[4];
+
+ResourceLimit::ResourceLimit() {}
+ResourceLimit::~ResourceLimit() {}
+
+SharedPtr<ResourceLimit> ResourceLimit::Create(std::string name) {
+    SharedPtr<ResourceLimit> resource_limit(new ResourceLimit);
+
+    resource_limit->name = std::move(name);
+    return resource_limit;
+}
+
+SharedPtr<ResourceLimit> ResourceLimit::GetForCategory(ResourceLimitCategory category) {
+    switch (category)
+    {
+        case ResourceLimitCategory::APPLICATION:
+        case ResourceLimitCategory::SYS_APPLET:
+        case ResourceLimitCategory::LIB_APPLET:
+        case ResourceLimitCategory::OTHER:
+            return resource_limits[static_cast<u8>(category)];
+        default:
+            LOG_CRITICAL(Kernel, "Unknown resource limit category");
+            UNREACHABLE();
+    }
+}
+
+s32 ResourceLimit::GetCurrentResourceValue(u32 resource) const {
+    switch (resource) {
+        case COMMIT:
+            return current_commit;
+        case THREAD:
+            return current_threads;
+        case EVENT:
+            return current_events;
+        case MUTEX:
+            return current_mutexes;
+        case SEMAPHORE:
+            return current_semaphores;
+        case TIMER:
+            return current_timers;
+        case SHARED_MEMORY:
+            return current_shared_mems;
+        case ADDRESS_ARBITER:
+            return current_address_arbiters;
+        case CPU_TIME:
+            return current_cpu_time;
+        default:
+            LOG_ERROR(Kernel, "Unknown resource type=%08X", resource);
+            UNIMPLEMENTED();
+            return 0;
+    }
+}
+
+s32 ResourceLimit::GetMaxResourceValue(u32 resource) const {
+    switch (resource) {
+        case COMMIT:
+            return max_commit;
+        case THREAD:
+            return max_threads;
+        case EVENT:
+            return max_events;
+        case MUTEX:
+            return max_mutexes;
+        case SEMAPHORE:
+            return max_semaphores;
+        case TIMER:
+            return max_timers;
+        case SHARED_MEMORY:
+            return max_shared_mems;
+        case ADDRESS_ARBITER:
+            return max_address_arbiters;
+        case CPU_TIME:
+            return max_cpu_time;
+        default:
+            LOG_ERROR(Kernel, "Unknown resource type=%08X", resource);
+            UNIMPLEMENTED();
+            return 0;
+    }
+}
+
+void ResourceLimitsInit() {
+    // Create the four resource limits that the system uses
+    // Create the APPLICATION resource limit
+    SharedPtr<ResourceLimit> resource_limit = ResourceLimit::Create("Applications");
+    resource_limit->max_priority = 0x18;
+    resource_limit->max_commit = 0x4000000;
+    resource_limit->max_threads = 0x20;
+    resource_limit->max_events = 0x20;
+    resource_limit->max_mutexes = 0x20;
+    resource_limit->max_semaphores = 0x8;
+    resource_limit->max_timers = 0x8;
+    resource_limit->max_shared_mems = 0x10;
+    resource_limit->max_address_arbiters = 0x2;
+    resource_limit->max_cpu_time = 0x1E;
+    resource_limits[static_cast<u8>(ResourceLimitCategory::APPLICATION)] = resource_limit;
+
+    // Create the SYS_APPLET resource limit
+    resource_limit = ResourceLimit::Create("System Applets");
+    resource_limit->max_priority = 0x4;
+    resource_limit->max_commit = 0x5E00000;
+    resource_limit->max_threads = 0x1D;
+    resource_limit->max_events = 0xB;
+    resource_limit->max_mutexes = 0x8;
+    resource_limit->max_semaphores = 0x4;
+    resource_limit->max_timers = 0x4;
+    resource_limit->max_shared_mems = 0x8;
+    resource_limit->max_address_arbiters = 0x3;
+    resource_limit->max_cpu_time = 0x2710;
+    resource_limits[static_cast<u8>(ResourceLimitCategory::SYS_APPLET)] = resource_limit;
+
+    // Create the LIB_APPLET resource limit
+    resource_limit = ResourceLimit::Create("Library Applets");
+    resource_limit->max_priority = 0x4;
+    resource_limit->max_commit = 0x600000;
+    resource_limit->max_threads = 0xE;
+    resource_limit->max_events = 0x8;
+    resource_limit->max_mutexes = 0x8;
+    resource_limit->max_semaphores = 0x4;
+    resource_limit->max_timers = 0x4;
+    resource_limit->max_shared_mems = 0x8;
+    resource_limit->max_address_arbiters = 0x1;
+    resource_limit->max_cpu_time = 0x2710;
+    resource_limits[static_cast<u8>(ResourceLimitCategory::LIB_APPLET)] = resource_limit;
+
+    // Create the OTHER resource limit
+    resource_limit = ResourceLimit::Create("Others");
+    resource_limit->max_priority = 0x4;
+    resource_limit->max_commit = 0x2180000;
+    resource_limit->max_threads = 0xE1;
+    resource_limit->max_events = 0x108;
+    resource_limit->max_mutexes = 0x25;
+    resource_limit->max_semaphores = 0x43;
+    resource_limit->max_timers = 0x2C;
+    resource_limit->max_shared_mems = 0x1F;
+    resource_limit->max_address_arbiters = 0x2D;
+    resource_limit->max_cpu_time = 0x3E8;
+    resource_limits[static_cast<u8>(ResourceLimitCategory::OTHER)] = resource_limit;
+}
+
+void ResourceLimitsShutdown() {
+
+}
+
+} // namespace