diff options
Diffstat (limited to 'src/core/core_cpu.h')
| -rw-r--r-- | src/core/core_cpu.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/src/core/core_cpu.h b/src/core/core_cpu.h deleted file mode 100644 index 78f5021a2..000000000 --- a/src/core/core_cpu.h +++ /dev/null | |||
| @@ -1,120 +0,0 @@ | |||
| 1 | // Copyright 2018 yuzu emulator team | ||
| 2 | // Licensed under GPLv2 or any later version | ||
| 3 | // Refer to the license.txt file included. | ||
| 4 | |||
| 5 | #pragma once | ||
| 6 | |||
| 7 | #include <atomic> | ||
| 8 | #include <condition_variable> | ||
| 9 | #include <cstddef> | ||
| 10 | #include <memory> | ||
| 11 | #include <mutex> | ||
| 12 | #include "common/common_types.h" | ||
| 13 | |||
| 14 | namespace Kernel { | ||
| 15 | class GlobalScheduler; | ||
| 16 | class Scheduler; | ||
| 17 | } // namespace Kernel | ||
| 18 | |||
| 19 | namespace Core { | ||
| 20 | class System; | ||
| 21 | } | ||
| 22 | |||
| 23 | namespace Core::Timing { | ||
| 24 | class CoreTiming; | ||
| 25 | } | ||
| 26 | |||
| 27 | namespace Memory { | ||
| 28 | class Memory; | ||
| 29 | } | ||
| 30 | |||
| 31 | namespace Core { | ||
| 32 | |||
| 33 | class ARM_Interface; | ||
| 34 | class ExclusiveMonitor; | ||
| 35 | |||
| 36 | constexpr unsigned NUM_CPU_CORES{4}; | ||
| 37 | |||
| 38 | class CpuBarrier { | ||
| 39 | public: | ||
| 40 | bool IsAlive() const { | ||
| 41 | return !end; | ||
| 42 | } | ||
| 43 | |||
| 44 | void NotifyEnd(); | ||
| 45 | |||
| 46 | bool Rendezvous(); | ||
| 47 | |||
| 48 | private: | ||
| 49 | unsigned cores_waiting{NUM_CPU_CORES}; | ||
| 50 | std::mutex mutex; | ||
| 51 | std::condition_variable condition; | ||
| 52 | std::atomic<bool> end{}; | ||
| 53 | }; | ||
| 54 | |||
| 55 | class Cpu { | ||
| 56 | public: | ||
| 57 | Cpu(System& system, ExclusiveMonitor& exclusive_monitor, CpuBarrier& cpu_barrier, | ||
| 58 | std::size_t core_index); | ||
| 59 | ~Cpu(); | ||
| 60 | |||
| 61 | void RunLoop(bool tight_loop = true); | ||
| 62 | |||
| 63 | void SingleStep(); | ||
| 64 | |||
| 65 | void PrepareReschedule(); | ||
| 66 | |||
| 67 | ARM_Interface& ArmInterface() { | ||
| 68 | return *arm_interface; | ||
| 69 | } | ||
| 70 | |||
| 71 | const ARM_Interface& ArmInterface() const { | ||
| 72 | return *arm_interface; | ||
| 73 | } | ||
| 74 | |||
| 75 | Kernel::Scheduler& Scheduler() { | ||
| 76 | return *scheduler; | ||
| 77 | } | ||
| 78 | |||
| 79 | const Kernel::Scheduler& Scheduler() const { | ||
| 80 | return *scheduler; | ||
| 81 | } | ||
| 82 | |||
| 83 | bool IsMainCore() const { | ||
| 84 | return core_index == 0; | ||
| 85 | } | ||
| 86 | |||
| 87 | std::size_t CoreIndex() const { | ||
| 88 | return core_index; | ||
| 89 | } | ||
| 90 | |||
| 91 | void Shutdown(); | ||
| 92 | |||
| 93 | /** | ||
| 94 | * Creates an exclusive monitor to handle exclusive reads/writes. | ||
| 95 | * | ||
| 96 | * @param memory The current memory subsystem that the monitor may wish | ||
| 97 | * to keep track of. | ||
| 98 | * | ||
| 99 | * @param num_cores The number of cores to assume about the CPU. | ||
| 100 | * | ||
| 101 | * @returns The constructed exclusive monitor instance, or nullptr if the current | ||
| 102 | * CPU backend is unable to use an exclusive monitor. | ||
| 103 | */ | ||
| 104 | static std::unique_ptr<ExclusiveMonitor> MakeExclusiveMonitor(Memory::Memory& memory, | ||
| 105 | std::size_t num_cores); | ||
| 106 | |||
| 107 | private: | ||
| 108 | void Reschedule(); | ||
| 109 | |||
| 110 | std::unique_ptr<ARM_Interface> arm_interface; | ||
| 111 | CpuBarrier& cpu_barrier; | ||
| 112 | Kernel::GlobalScheduler& global_scheduler; | ||
| 113 | std::unique_ptr<Kernel::Scheduler> scheduler; | ||
| 114 | Timing::CoreTiming& core_timing; | ||
| 115 | |||
| 116 | std::atomic<bool> reschedule_pending = false; | ||
| 117 | std::size_t core_index; | ||
| 118 | }; | ||
| 119 | |||
| 120 | } // namespace Core | ||