arm64intr.h File Reference

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Typedefs
typedef enum _tag_ARM64INTR_BARRIER_TYPE	_ARM64INTR_BARRIER_TYPE

Enumerations
enum	_tag_ARM64INTR_BARRIER_TYPE {   _ARM64_BARRIER_SY = 0xF , _ARM64_BARRIER_ST = 0xE , _ARM64_BARRIER_LD = 0xD , _ARM64_BARRIER_ISH = 0xB ,   _ARM64_BARRIER_ISHST = 0xA , _ARM64_BARRIER_ISHLD = 0x9 , _ARM64_BARRIER_NSH = 0x7 , _ARM64_BARRIER_NSHST = 0x6 ,   _ARM64_BARRIER_NSHLD = 0x5 , _ARM64_BARRIER_OSH = 0x3 , _ARM64_BARRIER_OSHST = 0x2 , _ARM64_BARRIER_OSHLD = 0x1 }

Functions
void	__dmb (unsigned int _Type)
void	__dsb (unsigned int _Type)
void	__isb (unsigned int _Type)

Typedef Documentation

_ARM64INTR_BARRIER_TYPE

typedef enum _tag_ARM64INTR_BARRIER_TYPE _ARM64INTR_BARRIER_TYPE

Enumeration Type Documentation

_tag_ARM64INTR_BARRIER_TYPE

enum _tag_ARM64INTR_BARRIER_TYPE

Enumerator
_ARM64_BARRIER_SY
_ARM64_BARRIER_ST
_ARM64_BARRIER_LD
_ARM64_BARRIER_ISH
_ARM64_BARRIER_ISHST
_ARM64_BARRIER_ISHLD
_ARM64_BARRIER_NSH
_ARM64_BARRIER_NSHST
_ARM64_BARRIER_NSHLD
_ARM64_BARRIER_OSH
_ARM64_BARRIER_OSHST
_ARM64_BARRIER_OSHLD

Definition at line 14 of file arm64intr.h.

{
    _ARM64_BARRIER_SY     = 0xF,
    _ARM64_BARRIER_ST     = 0xE,
    _ARM64_BARRIER_LD     = 0xD,
    _ARM64_BARRIER_ISH    = 0xB,
    _ARM64_BARRIER_ISHST  = 0xA,
    _ARM64_BARRIER_ISHLD  = 0x9,
    _ARM64_BARRIER_NSH    = 0x7,
    _ARM64_BARRIER_NSHST  = 0x6,
    _ARM64_BARRIER_NSHLD  = 0x5,
    _ARM64_BARRIER_OSH    = 0x3,
    _ARM64_BARRIER_OSHST  = 0x2,
    _ARM64_BARRIER_OSHLD  = 0x1
} _ARM64INTR_BARRIER_TYPE;

Function Documentation

__dmb()

void __dmb

(

unsigned int

_Type

)

Definition at line 694 of file intrin_arm64.h.

{
    /* MS _ARM64_BARRIER_* constants: OSHLD=1 OSHST=2 OSH=3 NSHLD=5 NSHST=6
       NSH=7 ISHLD=9 ISHST=10 ISH=11 LD=13 ST=14 SY=15. The dmb option must
       be an assembler literal, so we dispatch on the runtime value. */
    switch (type)
    {
    case 1:  __asm__ __volatile__("dmb oshld" ::: "memory"); break;
    case 2:  __asm__ __volatile__("dmb oshst" ::: "memory"); break;
    case 3:  __asm__ __volatile__("dmb osh"   ::: "memory"); break;
    case 5:  __asm__ __volatile__("dmb nshld" ::: "memory"); break;
    case 6:  __asm__ __volatile__("dmb nshst" ::: "memory"); break;
    case 7:  __asm__ __volatile__("dmb nsh"   ::: "memory"); break;
    case 9:  __asm__ __volatile__("dmb ishld" ::: "memory"); break;
    case 10: __asm__ __volatile__("dmb ishst" ::: "memory"); break;
    case 11: __asm__ __volatile__("dmb ish"   ::: "memory"); break;
    case 13: __asm__ __volatile__("dmb ld"    ::: "memory"); break;
    case 14: __asm__ __volatile__("dmb st"    ::: "memory"); break;
    default: __asm__ __volatile__("dmb sy"    ::: "memory"); break;
    }
}

Referenced by YieldProcessor().

__dsb()

void __dsb

(

unsigned int

_Type

)

Definition at line 718 of file intrin_arm64.h.

{
    switch (type)
    {
    case 1:  __asm__ __volatile__("dsb oshld" ::: "memory"); break;
    case 2:  __asm__ __volatile__("dsb oshst" ::: "memory"); break;
    case 3:  __asm__ __volatile__("dsb osh"   ::: "memory"); break;
    case 5:  __asm__ __volatile__("dsb nshld" ::: "memory"); break;
    case 6:  __asm__ __volatile__("dsb nshst" ::: "memory"); break;
    case 7:  __asm__ __volatile__("dsb nsh"   ::: "memory"); break;
    case 9:  __asm__ __volatile__("dsb ishld" ::: "memory"); break;
    case 10: __asm__ __volatile__("dsb ishst" ::: "memory"); break;
    case 11: __asm__ __volatile__("dsb ish"   ::: "memory"); break;
    case 13: __asm__ __volatile__("dsb ld"    ::: "memory"); break;
    case 14: __asm__ __volatile__("dsb st"    ::: "memory"); break;
    default: __asm__ __volatile__("dsb sy"    ::: "memory"); break;
    }
}

__isb()

void __isb

(

unsigned int

_Type

)

Definition at line 739 of file intrin_arm64.h.

{
    /* ISB on ARM64 only supports the 'sy' option; accept the type arg
       for API compatibility with MS docs and ignore it. */
    (void)type;
    __asm__ __volatile__("isb" ::: "memory");
}