diff options
Diffstat (limited to 'src/common/x64/cpu_detect.cpp')
| -rw-r--r-- | src/common/x64/cpu_detect.cpp | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/src/common/x64/cpu_detect.cpp b/src/common/x64/cpu_detect.cpp index fee00914a..23adc5c75 100644 --- a/src/common/x64/cpu_detect.cpp +++ b/src/common/x64/cpu_detect.cpp @@ -1,7 +1,9 @@ // Copyright 2013 Dolphin Emulator Project / 2015 Citra Emulator Project / 2022 Yuzu Emulator // Project Licensed under GPLv2 or any later version Refer to the license.txt file included. +#include <array> #include <cstring> +#include <span> #include "common/bit_util.h" #include "common/common_types.h" #include "common/x64/cpu_detect.h" @@ -17,7 +19,7 @@ // clang-format on #endif -static inline void __cpuidex(int info[4], int function_id, int subfunction_id) { +static inline void __cpuidex(const std::span<u32, 4> info, u32 function_id, u32 subfunction_id) { #if defined(__DragonFly__) || defined(__FreeBSD__) // Despite the name, this is just do_cpuid() with ECX as second input. cpuid_count((u_int)function_id, (u_int)subfunction_id, (u_int*)info); @@ -30,7 +32,7 @@ static inline void __cpuidex(int info[4], int function_id, int subfunction_id) { #endif } -static inline void __cpuid(int info[4], int function_id) { +static inline void __cpuid(const std::span<u32, 4> info, u32 function_id) { return __cpuidex(info, function_id, 0); } @@ -52,16 +54,16 @@ static CPUCaps Detect() { // Assumes the CPU supports the CPUID instruction. Those that don't would likely not support // yuzu at all anyway - int cpu_id[4]; - memset(caps.brand_string, 0, sizeof(caps.brand_string)); + std::array<u32, 4> cpu_id; + std::memset(caps.brand_string, 0, sizeof(caps.brand_string)); // Detect CPU's CPUID capabilities and grab CPU string __cpuid(cpu_id, 0x00000000); u32 max_std_fn = cpu_id[0]; // EAX - std::memcpy(&caps.brand_string[0], &cpu_id[1], sizeof(int)); - std::memcpy(&caps.brand_string[4], &cpu_id[3], sizeof(int)); - std::memcpy(&caps.brand_string[8], &cpu_id[2], sizeof(int)); + std::memcpy(&caps.brand_string[0], &cpu_id[1], sizeof(u32)); + std::memcpy(&caps.brand_string[4], &cpu_id[3], sizeof(u32)); + std::memcpy(&caps.brand_string[8], &cpu_id[2], sizeof(u32)); if (cpu_id[1] == 0x756e6547 && cpu_id[2] == 0x6c65746e && cpu_id[3] == 0x49656e69) caps.manufacturer = Manufacturer::Intel; else if (cpu_id[1] == 0x68747541 && cpu_id[2] == 0x444d4163 && cpu_id[3] == 0x69746e65) @@ -76,7 +78,7 @@ static CPUCaps Detect() { u32 max_ex_fn = cpu_id[0]; // Set reasonable default brand string even if brand string not available - strcpy(caps.cpu_string, caps.brand_string); + std::strcpy(caps.cpu_string, caps.brand_string); // Detect family and other miscellaneous features if (max_std_fn >= 1) { @@ -119,11 +121,11 @@ static CPUCaps Detect() { if (max_ex_fn >= 0x80000004) { // Extract CPU model string __cpuid(cpu_id, 0x80000002); - std::memcpy(caps.cpu_string, cpu_id, sizeof(cpu_id)); + std::memcpy(caps.cpu_string, cpu_id.data(), sizeof(cpu_id)); __cpuid(cpu_id, 0x80000003); - std::memcpy(caps.cpu_string + 16, cpu_id, sizeof(cpu_id)); + std::memcpy(caps.cpu_string + 16, cpu_id.data(), sizeof(cpu_id)); __cpuid(cpu_id, 0x80000004); - std::memcpy(caps.cpu_string + 32, cpu_id, sizeof(cpu_id)); + std::memcpy(caps.cpu_string + 32, cpu_id.data(), sizeof(cpu_id)); } if (max_ex_fn >= 0x80000001) { |