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hle: kernel: system_control: Add function GenerateRandomU64.

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This commit is contained in:
bunnei 2021-02-08 18:08:08 -08:00
parent c9235764c7
commit e7c33d1ad6
2 changed files with 5 additions and 3 deletions
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7
src/core/hle/kernel/memory/system_control.cpp
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@ -25,16 +25,17 @@ u64 GenerateUniformRange(u64 min, u64 max, F f) {
} }
} }
u64 GenerateRandomU64ForInit() { } // Anonymous namespace
u64 GenerateRandomU64() {
static std::random_device device; static std::random_device device;
static std::mt19937 gen(device()); static std::mt19937 gen(device());
static std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max()); static std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
return distribution(gen); return distribution(gen);
} }
} // Anonymous namespace
u64 GenerateRandomRange(u64 min, u64 max) { u64 GenerateRandomRange(u64 min, u64 max) {
return GenerateUniformRange(min, max, GenerateRandomU64ForInit); return GenerateUniformRange(min, max, GenerateRandomU64);
} }
} // namespace Kernel::Memory::SystemControl } // namespace Kernel::Memory::SystemControl

1
src/core/hle/kernel/memory/system_control.h
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@ -9,5 +9,6 @@
namespace Kernel::Memory::SystemControl { namespace Kernel::Memory::SystemControl {
u64 GenerateRandomRange(u64 min, u64 max); u64 GenerateRandomRange(u64 min, u64 max);
u64 GenerateRandomU64();
} // namespace Kernel::Memory::SystemControl } // namespace Kernel::Memory::SystemControl