Subversion Repositories HelenOS-historic

Rev

Rev 469 | Rev 501 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 469 Rev 470
Line 53... Line 53...
53 
        ::: "eax", "ebx", "ecx", "edx", "memory"
 53 
        ::: "eax", "ebx", "ecx", "edx", "memory"
54 
    );
 54 
    );
55 
}
 55 
}
56 
 
 56 
 
57 
#ifdef CONFIG_FENCES_P4
 57 
#ifdef CONFIG_FENCES_P4
58 
#   define memory_barrier() __asm__ volatile ("mfence\n" ::: "memory")
 58 
#   define memory_barrier()     __asm__ volatile ("mfence\n" ::: "memory")
59 
#   define read_barrier()       __asm__ volatile ("lfence\n" ::: "memory")
 59 
#   define read_barrier()       __asm__ volatile ("lfence\n" ::: "memory")
- 
 
 60 
#   ifdef CONFIG_WEAK_MEMORY
60 
#   define write_barrier()      __asm__ volatile ("sfence\n" ::: "memory")
 61 
#       define write_barrier()  __asm__ volatile ("sfence\n" ::: "memory")
- 
 
 62 
#   else
- 
 
 63 
#       define write_barrier()
- 
 
 64 
#   endif
61 
#elif CONFIG_FENCES_P3
 65 
#elif CONFIG_FENCES_P3
62 
#   define memory_barrier()     cpuid_serialization()
 66 
#   define memory_barrier()     cpuid_serialization()
63 
#   define read_barrier()       cpuid_serialization()
 67 
#   define read_barrier()       cpuid_serialization()
- 
 
 68 
#   ifdef CONFIG_WEAK_MEMORY
64 
#   define write_barrier()      __asm__ volatile ("sfence\n" ::: "memory")
 69 
#       define write_barrier()  __asm__ volatile ("sfence\n" ::: "memory")
- 
 
 70 
#   else
- 
 
 71 
#       define write_barrier()
- 
 
 72 
#   endif
65 
#else
 73 
#else
66 
#   define memory_barrier()     cpuid_serialization()
 74 
#   define memory_barrier()     cpuid_serialization()
67 
#   define read_barrier()       cpuid_serialization()
 75 
#   define read_barrier()       cpuid_serialization()
- 
 
 76 
#   ifdef CONFIG_WEAK_MEMORY
68 
#   define write_barrier()      cpuid_serialization()
 77 
#       define write_barrier()  cpuid_serialization()
- 
 
 78 
#   else
- 
 
 79 
#       define write_barrier()
- 
 
 80 
#   endif
69 
#endif
 81 
#endif
70 
 
 82 
 
71 
#endif
 83 
#endif