diff --git a/Android.mk b/Android.mk index 13d765f57..c1a4956f9 100755 --- a/Android.mk +++ b/Android.mk @@ -20,7 +20,7 @@ LOCAL_SRC_FILES := \ $(wildcard $(LOCAL_PATH)/src/audio/*.c) \ $(wildcard $(LOCAL_PATH)/src/audio/android/*.c) \ $(wildcard $(LOCAL_PATH)/src/audio/dummy/*.c) \ - $(LOCAL_PATH)/src/atomic/SDL_atomic.c \ + $(LOCAL_PATH)/src/atomic/SDL_atomic.c.arm \ $(LOCAL_PATH)/src/atomic/SDL_spinlock.c.arm \ $(wildcard $(LOCAL_PATH)/src/core/android/*.c) \ $(wildcard $(LOCAL_PATH)/src/cpuinfo/*.c) \ diff --git a/include/SDL_atomic.h b/include/SDL_atomic.h index b079896f9..6f68ebb27 100644 --- a/include/SDL_atomic.h +++ b/include/SDL_atomic.h @@ -149,6 +149,9 @@ void _ReadWriteBarrier(void); * For more information on these semantics, take a look at the blog post: * http://preshing.com/20120913/acquire-and-release-semantics */ +extern DECLSPEC void SDLCALL SDL_MemoryBarrierReleaseFunction(void); +extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquireFunction(void); + #if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__)) #define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("lwsync" : : : "memory") #define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("lwsync" : : : "memory") @@ -156,11 +159,11 @@ void _ReadWriteBarrier(void); #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__) #define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("dmb ish" : : : "memory") #define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("dmb ish" : : : "memory") -#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) +#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_5TE__) #ifdef __thumb__ /* The mcr instruction isn't available in thumb mode, use real functions */ -extern DECLSPEC void SDLCALL SDL_MemoryBarrierRelease(void); -extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquire(void); +#define SDL_MemoryBarrierRelease() SDL_MemoryBarrierReleaseFunction() +#define SDL_MemoryBarrierAcquire() SDL_MemoryBarrierAcquireFunction() #else #define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r"(0) : "memory") #define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r"(0) : "memory") diff --git a/src/atomic/SDL_atomic.c b/src/atomic/SDL_atomic.c index e3c17134d..828efee76 100644 --- a/src/atomic/SDL_atomic.c +++ b/src/atomic/SDL_atomic.c @@ -228,19 +228,16 @@ SDL_AtomicGetPtr(void **a) return value; } -#ifdef __thumb__ -#if defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) -__asm__( -" .align 2\n" -" .globl _SDL_MemoryBarrierRelease\n" -" .globl _SDL_MemoryBarrierAcquire\n" -"_SDL_MemoryBarrierRelease:\n" -"_SDL_MemoryBarrierAcquire:\n" -" mov r0, #0\n" -" mcr p15, 0, r0, c7, c10, 5\n" -" bx lr\n" -); -#endif -#endif +void +SDL_MemoryBarrierReleaseFunction(void) +{ + SDL_MemoryBarrierRelease(); +} + +void +SDL_MemoryBarrierAcquireFunction(void) +{ + SDL_MemoryBarrierAcquire(); +} /* vi: set ts=4 sw=4 expandtab: */ diff --git a/src/dynapi/SDL_dynapi_overrides.h b/src/dynapi/SDL_dynapi_overrides.h index 4e4acecd6..942737aa7 100644 --- a/src/dynapi/SDL_dynapi_overrides.h +++ b/src/dynapi/SDL_dynapi_overrides.h @@ -27,12 +27,6 @@ #error You should not be here. #endif -/* so annoying. */ -#if defined(__thumb__) && (defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)) -#define SDL_MemoryBarrierRelease SDL_MemoryBarrierRelease_REAL -#define SDL_MemoryBarrierAcquire SDL_MemoryBarrierAcquire_REAL -#endif - #define SDL_SetError SDL_SetError_REAL #define SDL_Log SDL_Log_REAL #define SDL_LogVerbose SDL_LogVerbose_REAL @@ -627,3 +621,5 @@ #define SDL_JoystickGetAxisInitialState SDL_JoystickGetAxisInitialState_REAL #define SDL_JoystickGetDeviceType SDL_JoystickGetDeviceType_REAL #define SDL_JoystickGetType SDL_JoystickGetType_REAL +#define SDL_MemoryBarrierReleaseFunction SDL_MemoryBarrierReleaseFunction_REAL +#define SDL_MemoryBarrierAcquireFunction SDL_MemoryBarrierAcquireFunction_REAL diff --git a/src/dynapi/SDL_dynapi_procs.h b/src/dynapi/SDL_dynapi_procs.h index bec62672a..b54cdfff4 100644 --- a/src/dynapi/SDL_dynapi_procs.h +++ b/src/dynapi/SDL_dynapi_procs.h @@ -60,12 +60,6 @@ SDL_DYNAPI_PROC(SDL_RWops*,SDL_RWFromFP,(FILE *a, SDL_bool b),(a,b),return) SDL_DYNAPI_PROC(SDL_RWops*,SDL_RWFromFP,(void *a, SDL_bool b),(a,b),return) #endif -/* so annoying. */ -#if defined(__thumb__) && (defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)) -SDL_DYNAPI_PROC(void,SDL_MemoryBarrierRelease,(void),(),) -SDL_DYNAPI_PROC(void,SDL_MemoryBarrierAcquire,(void),(),) -#endif - #ifdef __WIN32__ SDL_DYNAPI_PROC(int,SDL_RegisterApp,(char *a, Uint32 b, void *c),(a,b,c),return) SDL_DYNAPI_PROC(void,SDL_UnregisterApp,(void),(),) @@ -659,3 +653,5 @@ SDL_DYNAPI_PROC(char*,SDL_GameControllerMappingForIndex,(int a),(a),return) SDL_DYNAPI_PROC(SDL_bool,SDL_JoystickGetAxisInitialState,(SDL_Joystick *a, int b, Sint16 *c),(a,b,c),return) SDL_DYNAPI_PROC(SDL_JoystickType,SDL_JoystickGetDeviceType,(int a),(a),return) SDL_DYNAPI_PROC(SDL_JoystickType,SDL_JoystickGetType,(SDL_Joystick *a),(a),return) +SDL_DYNAPI_PROC(void,SDL_MemoryBarrierReleaseFunction,(void),(),) +SDL_DYNAPI_PROC(void,SDL_MemoryBarrierAcquireFunction,(void),(),)