Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-06 11:03:16 +00:00
Code Issues Projects Releases Packages Wiki Activity

[XDK] Add Read/Write helper functions

Browse source
This commit is contained in:
Timo Kreuzer 2021-06-09 15:44:10 +03:00
parent c70f741627
commit d6cfd00ae2
4 changed files with 730 additions and 49 deletions
Download patch file Download diff file Expand all files Collapse all files

49
sdk/include/xdk/winnt_old.h
View file

@ -4572,55 +4572,6 @@ FORCEINLINE PVOID GetFiberData(VOID)
return *((PVOID *)GetCurrentFiber());
}
/* TODO: Other architectures than X86 */
#if defined(_M_IX86)
#define PF_TEMPORAL_LEVEL_1
#define PF_NON_TEMPORAL_LEVEL_ALL
#define PreFetchCacheLine(l, a)
#elif defined (_M_AMD64)
#define PreFetchCacheLine(l, a)
#elif defined(_M_PPC)
#define PreFetchCacheLine(l, a)
#elif defined(_M_ARM)
#define PreFetchCacheLine(l, a)
#elif defined(_M_ARM64)
#define PreFetchCacheLine(l, a)
#else
#error Unknown architecture
#endif
/* TODO: Other architectures than X86 */
#if defined(_M_IX86)
#if defined(_MSC_VER)
FORCEINLINE
VOID
MemoryBarrier(VOID)
{
LONG Barrier;
__asm { xchg Barrier, eax }
}
#else
FORCEINLINE
VOID
MemoryBarrier(VOID)
{
LONG Barrier, *Dummy = &Barrier;
(VOID)Dummy;
__asm__ __volatile__("xchgl %%eax, %[Barrier]" : : [Barrier] "m" (Barrier) : "memory");
}
#endif
#elif defined (_M_AMD64)
#define MemoryBarrier __faststorefence
#elif defined(_M_PPC)
#define MemoryBarrier()
#elif defined(_M_ARM)
#define MemoryBarrier()
#elif defined(_M_ARM64)
#define MemoryBarrier()
#else
#error Unknown architecture
#endif
#if defined(_M_IX86) || defined(_M_AMD64)
#define YieldProcessor _mm_pause