arch/arm/include/asm/secure.h

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