LXR linux/arch/powerpc/include/asm/asm-compat.h

   1#ifndef _ASM_POWERPC_ASM_COMPAT_H
   2#define _ASM_POWERPC_ASM_COMPAT_H
   3
   4#include <asm/types.h>
   5#include <asm/ppc-opcode.h>
   6
   7#ifdef __ASSEMBLY__
   8#  define stringify_in_c(...)   __VA_ARGS__
   9#  define ASM_CONST(x)          x
  10#else
  11/* This version of stringify will deal with commas... */
  12#  define __stringify_in_c(...) #__VA_ARGS__
  13#  define stringify_in_c(...)   __stringify_in_c(__VA_ARGS__) " "
  14#  define __ASM_CONST(x)        x##UL
  15#  define ASM_CONST(x)          __ASM_CONST(x)
  16#endif
  17
  18
  19#ifdef __powerpc64__
  20
  21/* operations for longs and pointers */
  22#define PPC_LL          stringify_in_c(ld)
  23#define PPC_STL         stringify_in_c(std)
  24#define PPC_STLU        stringify_in_c(stdu)
  25#define PPC_LCMPI       stringify_in_c(cmpdi)
  26#define PPC_LONG        stringify_in_c(.llong)
  27#define PPC_LONG_ALIGN  stringify_in_c(.balign 8)
  28#define PPC_TLNEI       stringify_in_c(tdnei)
  29#define PPC_LLARX(t, a, b, eh)  PPC_LDARX(t, a, b, eh)
  30#define PPC_STLCX       stringify_in_c(stdcx.)
  31#define PPC_CNTLZL      stringify_in_c(cntlzd)
  32#define PPC_MTOCRF(FXM, RS) MTOCRF((FXM), RS)
  33#define PPC_LR_STKOFF   16
  34#define PPC_MIN_STKFRM  112
  35
  36#ifdef __BIG_ENDIAN__
  37#define LDX_BE  stringify_in_c(ldx)
  38#define STDX_BE stringify_in_c(stdx)
  39#else
  40#define LDX_BE  stringify_in_c(ldbrx)
  41#define STDX_BE stringify_in_c(stdbrx)
  42#endif
  43
  44#else /* 32-bit */
  45
  46/* operations for longs and pointers */
  47#define PPC_LL          stringify_in_c(lwz)
  48#define PPC_STL         stringify_in_c(stw)
  49#define PPC_STLU        stringify_in_c(stwu)
  50#define PPC_LCMPI       stringify_in_c(cmpwi)
  51#define PPC_LONG        stringify_in_c(.long)
  52#define PPC_LONG_ALIGN  stringify_in_c(.balign 4)
  53#define PPC_TLNEI       stringify_in_c(twnei)
  54#define PPC_LLARX(t, a, b, eh)  PPC_LWARX(t, a, b, eh)
  55#define PPC_STLCX       stringify_in_c(stwcx.)
  56#define PPC_CNTLZL      stringify_in_c(cntlzw)
  57#define PPC_MTOCRF      stringify_in_c(mtcrf)
  58#define PPC_LR_STKOFF   4
  59#define PPC_MIN_STKFRM  16
  60
  61#endif
  62
  63#ifdef __KERNEL__
  64#ifdef CONFIG_IBM405_ERR77
  65/* Erratum #77 on the 405 means we need a sync or dcbt before every
  66 * stwcx.  The old ATOMIC_SYNC_FIX covered some but not all of this.
  67 */
  68#define PPC405_ERR77(ra,rb)     stringify_in_c(dcbt     ra, rb;)
  69#define PPC405_ERR77_SYNC       stringify_in_c(sync;)
  70#else
  71#define PPC405_ERR77(ra,rb)
  72#define PPC405_ERR77_SYNC
  73#endif
  74#endif
  75
  76#endif /* _ASM_POWERPC_ASM_COMPAT_H */
  77