arch/arm-native/kernel/tls.h

   1 #ifndef ASM_TLS_H
   2 #define ASM_TLS_H
   3
   4 typedef struct tls
   5 {
   6     struct ExecBase     *SysBase;
   7     void *              *KernelBase;    /* Base of kernel.resource */
   8     struct Task         *ThisTask;      /* Currently running task on this core */
   9 } tls_t;
  10
  11 #define TLS_OFFSET(name) ((char *)&(((tls_t *)0)->name)-(char *)0)
  12
  13 ////
  14
  15 #define TLS_GET(name) \
  16     ({ \
  17         tls_t *__tls; \
  18         asm volatile("mrc p15, 0, %0, c13, c0, 3":"=r"(__tls)); \
  19         typeof(__tls -> name) __ret = (__tls -> name); \
  20         __ret;  \
  21     })
  22
  23 #define TLS_SET(name, val) \
  24     do { \
  25         tls_t *__tls; \
  26         asm volatile("mrc p15, 0, %0, c13, c0, 3":"=r"(__tls)); \
  27         (__tls -> name) = val; \
  28     } while(0);
  29
  30 #endif