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     struct Task         *IdleTask;
  10 } tls_t;
  11
  12 #define TLS_OFFSET(name) ((char *)&(((tls_t *)0)->name)-(char *)0)
  13
  14 ////
  15
  16 #define TLS_GET(name) \
  17     ({ \
  18         tls_t *__tls; \
  19         asm volatile("mrc p15, 0, %0, c13, c0, 3":"=r"(__tls)); \
  20         typeof(__tls -> name) __ret = (__tls -> name); \
  21         __ret;  \
  22     })
  23
  24 #define TLS_SET(name, val) \
  25     do { \
  26         tls_t *__tls; \
  27         asm volatile("mrc p15, 0, %0, c13, c0, 3":"=r"(__tls)); \
  28         (__tls -> name) = val; \
  29     } while(0);
  30
  31 #endif