From cd1c38be8d15d3caf52f566a9e8dc20504c61068 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Sat, 7 Mar 2020 18:59:42 -0400 Subject: ARM/Memory: Correct Exclusive Monitor and Implement Exclusive Memory Writes. --- src/common/atomic_ops.cpp | 70 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 src/common/atomic_ops.cpp (limited to 'src/common/atomic_ops.cpp') diff --git a/src/common/atomic_ops.cpp b/src/common/atomic_ops.cpp new file mode 100644 index 000000000..65cdfb4fd --- /dev/null +++ b/src/common/atomic_ops.cpp @@ -0,0 +1,70 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include + +#include "common/atomic_ops.h" + +#if _MSC_VER +#include +#endif + +namespace Common { + +#if _MSC_VER + +bool AtomicCompareAndSwap(u8 volatile* pointer, u8 value, u8 expected) { + u8 result = _InterlockedCompareExchange8((char*)pointer, value, expected); + return result == expected; +} + +bool AtomicCompareAndSwap(u16 volatile* pointer, u16 value, u16 expected) { + u16 result = _InterlockedCompareExchange16((short*)pointer, value, expected); + return result == expected; +} + +bool AtomicCompareAndSwap(u32 volatile* pointer, u32 value, u32 expected) { + u32 result = _InterlockedCompareExchange((long*)pointer, value, expected); + return result == expected; +} + +bool AtomicCompareAndSwap(u64 volatile* pointer, u64 value, u64 expected) { + u64 result = _InterlockedCompareExchange64((__int64*)pointer, value, expected); + return result == expected; +} + +bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { + return _InterlockedCompareExchange128((__int64*)pointer, value[1], value[0], (__int64*)expected.data()) != 0; +} + + +#else + +bool AtomicCompareAndSwap(u8 volatile* pointer, u8 value, u8 expected) { + return __sync_bool_compare_and_swap (pointer, value, expected); +} + +bool AtomicCompareAndSwap(u16 volatile* pointer, u16 value, u16 expected) { + return __sync_bool_compare_and_swap (pointer, value, expected); +} + +bool AtomicCompareAndSwap(u32 volatile* pointer, u32 value, u32 expected) { + return __sync_bool_compare_and_swap (pointer, value, expected); +} + +bool AtomicCompareAndSwap(u64 volatile* pointer, u64 value, u64 expected) { + return __sync_bool_compare_and_swap (pointer, value, expected); +} + +bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { + unsigned __int128 value_a; + unsigned __int128 expected_a; + std::memcpy(&value_a, value.data(), sizeof(u128)); + std::memcpy(&expected_a, expected.data(), sizeof(u128)); + return __sync_bool_compare_and_swap ((unsigned __int128*)pointer, value_a, expected_a); +} + +#endif + +} // namespace Common -- cgit v1.2.3 From 467d43570e10b98fa33067352d35fe62ceb3cb9e Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Fri, 8 May 2020 18:53:13 -0400 Subject: Clang Format. --- src/common/atomic_ops.cpp | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'src/common/atomic_ops.cpp') diff --git a/src/common/atomic_ops.cpp b/src/common/atomic_ops.cpp index 65cdfb4fd..6b2236114 100644 --- a/src/common/atomic_ops.cpp +++ b/src/common/atomic_ops.cpp @@ -35,26 +35,26 @@ bool AtomicCompareAndSwap(u64 volatile* pointer, u64 value, u64 expected) { } bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { - return _InterlockedCompareExchange128((__int64*)pointer, value[1], value[0], (__int64*)expected.data()) != 0; + return _InterlockedCompareExchange128((__int64*)pointer, value[1], value[0], + (__int64*)expected.data()) != 0; } - #else bool AtomicCompareAndSwap(u8 volatile* pointer, u8 value, u8 expected) { - return __sync_bool_compare_and_swap (pointer, value, expected); + return __sync_bool_compare_and_swap(pointer, value, expected); } bool AtomicCompareAndSwap(u16 volatile* pointer, u16 value, u16 expected) { - return __sync_bool_compare_and_swap (pointer, value, expected); + return __sync_bool_compare_and_swap(pointer, value, expected); } bool AtomicCompareAndSwap(u32 volatile* pointer, u32 value, u32 expected) { - return __sync_bool_compare_and_swap (pointer, value, expected); + return __sync_bool_compare_and_swap(pointer, value, expected); } bool AtomicCompareAndSwap(u64 volatile* pointer, u64 value, u64 expected) { - return __sync_bool_compare_and_swap (pointer, value, expected); + return __sync_bool_compare_and_swap(pointer, value, expected); } bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { @@ -62,7 +62,7 @@ bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { unsigned __int128 expected_a; std::memcpy(&value_a, value.data(), sizeof(u128)); std::memcpy(&expected_a, expected.data(), sizeof(u128)); - return __sync_bool_compare_and_swap ((unsigned __int128*)pointer, value_a, expected_a); + return __sync_bool_compare_and_swap((unsigned __int128*)pointer, value_a, expected_a); } #endif -- cgit v1.2.3 From 7b1804dab40fabfbf73157cd5ce76793de1375ee Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Thu, 14 May 2020 14:44:03 -0400 Subject: Common/AtomicOps: Correct GCC Intrinsic argument ordering. --- src/common/atomic_ops.cpp | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'src/common/atomic_ops.cpp') diff --git a/src/common/atomic_ops.cpp b/src/common/atomic_ops.cpp index 6b2236114..1098e21ff 100644 --- a/src/common/atomic_ops.cpp +++ b/src/common/atomic_ops.cpp @@ -42,19 +42,19 @@ bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { #else bool AtomicCompareAndSwap(u8 volatile* pointer, u8 value, u8 expected) { - return __sync_bool_compare_and_swap(pointer, value, expected); + return __sync_bool_compare_and_swap(pointer, expected, value); } bool AtomicCompareAndSwap(u16 volatile* pointer, u16 value, u16 expected) { - return __sync_bool_compare_and_swap(pointer, value, expected); + return __sync_bool_compare_and_swap(pointer, expected, value); } bool AtomicCompareAndSwap(u32 volatile* pointer, u32 value, u32 expected) { - return __sync_bool_compare_and_swap(pointer, value, expected); + return __sync_bool_compare_and_swap(pointer, expected, value); } bool AtomicCompareAndSwap(u64 volatile* pointer, u64 value, u64 expected) { - return __sync_bool_compare_and_swap(pointer, value, expected); + return __sync_bool_compare_and_swap(pointer, expected, value); } bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { @@ -62,7 +62,7 @@ bool AtomicCompareAndSwap(u64 volatile* pointer, u128 value, u128 expected) { unsigned __int128 expected_a; std::memcpy(&value_a, value.data(), sizeof(u128)); std::memcpy(&expected_a, expected.data(), sizeof(u128)); - return __sync_bool_compare_and_swap((unsigned __int128*)pointer, value_a, expected_a); + return __sync_bool_compare_and_swap((unsigned __int128*)pointer, expected_a, value_a); } #endif -- cgit v1.2.3