diff options
Diffstat (limited to 'src/core/hle/kernel/kernel.cpp')
| -rw-r--r-- | src/core/hle/kernel/kernel.cpp | 85 |
1 files changed, 1 insertions, 84 deletions
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index b0af5b9b8..7470a97ca 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp | |||
| @@ -2,11 +2,8 @@ | |||
| 2 | // Licensed under GPLv2 or any later version | 2 | // Licensed under GPLv2 or any later version |
| 3 | // Refer to the license.txt file included. | 3 | // Refer to the license.txt file included. |
| 4 | 4 | ||
| 5 | #include <algorithm> | ||
| 6 | #include "common/assert.h" | ||
| 7 | #include "common/logging/log.h" | ||
| 8 | #include "core/hle/config_mem.h" | 5 | #include "core/hle/config_mem.h" |
| 9 | #include "core/hle/kernel/errors.h" | 6 | #include "core/hle/kernel/handle_table.h" |
| 10 | #include "core/hle/kernel/kernel.h" | 7 | #include "core/hle/kernel/kernel.h" |
| 11 | #include "core/hle/kernel/memory.h" | 8 | #include "core/hle/kernel/memory.h" |
| 12 | #include "core/hle/kernel/process.h" | 9 | #include "core/hle/kernel/process.h" |
| @@ -18,86 +15,6 @@ | |||
| 18 | namespace Kernel { | 15 | namespace Kernel { |
| 19 | 16 | ||
| 20 | unsigned int Object::next_object_id; | 17 | unsigned int Object::next_object_id; |
| 21 | HandleTable g_handle_table; | ||
| 22 | |||
| 23 | HandleTable::HandleTable() { | ||
| 24 | next_generation = 1; | ||
| 25 | Clear(); | ||
| 26 | } | ||
| 27 | |||
| 28 | ResultVal<Handle> HandleTable::Create(SharedPtr<Object> obj) { | ||
| 29 | DEBUG_ASSERT(obj != nullptr); | ||
| 30 | |||
| 31 | u16 slot = next_free_slot; | ||
| 32 | if (slot >= generations.size()) { | ||
| 33 | LOG_ERROR(Kernel, "Unable to allocate Handle, too many slots in use."); | ||
| 34 | return ERR_OUT_OF_HANDLES; | ||
| 35 | } | ||
| 36 | next_free_slot = generations[slot]; | ||
| 37 | |||
| 38 | u16 generation = next_generation++; | ||
| 39 | |||
| 40 | // Overflow count so it fits in the 15 bits dedicated to the generation in the handle. | ||
| 41 | // CTR-OS doesn't use generation 0, so skip straight to 1. | ||
| 42 | if (next_generation >= (1 << 15)) | ||
| 43 | next_generation = 1; | ||
| 44 | |||
| 45 | generations[slot] = generation; | ||
| 46 | objects[slot] = std::move(obj); | ||
| 47 | |||
| 48 | Handle handle = generation | (slot << 15); | ||
| 49 | return MakeResult<Handle>(handle); | ||
| 50 | } | ||
| 51 | |||
| 52 | ResultVal<Handle> HandleTable::Duplicate(Handle handle) { | ||
| 53 | SharedPtr<Object> object = GetGeneric(handle); | ||
| 54 | if (object == nullptr) { | ||
| 55 | LOG_ERROR(Kernel, "Tried to duplicate invalid handle: %08X", handle); | ||
| 56 | return ERR_INVALID_HANDLE; | ||
| 57 | } | ||
| 58 | return Create(std::move(object)); | ||
| 59 | } | ||
| 60 | |||
| 61 | ResultCode HandleTable::Close(Handle handle) { | ||
| 62 | if (!IsValid(handle)) | ||
| 63 | return ERR_INVALID_HANDLE; | ||
| 64 | |||
| 65 | u16 slot = GetSlot(handle); | ||
| 66 | |||
| 67 | objects[slot] = nullptr; | ||
| 68 | |||
| 69 | generations[slot] = next_free_slot; | ||
| 70 | next_free_slot = slot; | ||
| 71 | return RESULT_SUCCESS; | ||
| 72 | } | ||
| 73 | |||
| 74 | bool HandleTable::IsValid(Handle handle) const { | ||
| 75 | size_t slot = GetSlot(handle); | ||
| 76 | u16 generation = GetGeneration(handle); | ||
| 77 | |||
| 78 | return slot < MAX_COUNT && objects[slot] != nullptr && generations[slot] == generation; | ||
| 79 | } | ||
| 80 | |||
| 81 | SharedPtr<Object> HandleTable::GetGeneric(Handle handle) const { | ||
| 82 | if (handle == CurrentThread) { | ||
| 83 | return GetCurrentThread(); | ||
| 84 | } else if (handle == CurrentProcess) { | ||
| 85 | return g_current_process; | ||
| 86 | } | ||
| 87 | |||
| 88 | if (!IsValid(handle)) { | ||
| 89 | return nullptr; | ||
| 90 | } | ||
| 91 | return objects[GetSlot(handle)]; | ||
| 92 | } | ||
| 93 | |||
| 94 | void HandleTable::Clear() { | ||
| 95 | for (u16 i = 0; i < MAX_COUNT; ++i) { | ||
| 96 | generations[i] = i + 1; | ||
| 97 | objects[i] = nullptr; | ||
| 98 | } | ||
| 99 | next_free_slot = 0; | ||
| 100 | } | ||
| 101 | 18 | ||
| 102 | /// Initialize the kernel | 19 | /// Initialize the kernel |
| 103 | void Init(u32 system_mode) { | 20 | void Init(u32 system_mode) { |