arch/arm/include/asm/secure.h

   1 #ifndef __ASM_SECURE_H
   2 #define __ASM_SECURE_H
   3
   4 #include <config.h>
   5
   6 #define __secure __attribute__ ((section ("._secure.text")))
   7
   8 #ifdef CONFIG_ARMV7_SECURE_BASE
   9 /*
  10  * Warning, horror ahead.
  11  *
  12  * The target code lives in our "secure ram", but u-boot doesn't know
  13  * that, and has blindly added reloc_off to every relocation
  14  * entry. Gahh. Do the opposite conversion. This hack also prevents
  15  * GCC from generating code veeners, which u-boot doesn't relocate at
  16  * all...
  17  */
  18 #define secure_ram_addr(_fn) ({                                         \
  19                         DECLARE_GLOBAL_DATA_PTR;                        \
  20                         void *__fn = _fn;                               \
  21                         typeof(_fn) *__tmp = (__fn - gd->reloc_off);    \
  22                         __tmp;                                          \
  23                 })
  24 #else
  25 #define secure_ram_addr(_fn)    (_fn)
  26 #endif
  27
  28 #endif