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_LCMPLI      stringify_in_c(cmpldi)
  27#define PPC_LCMP        stringify_in_c(cmpd)
  28#define PPC_LONG        stringify_in_c(.llong)
  29#define PPC_LONG_ALIGN  stringify_in_c(.balign 8)
  30#define PPC_TLNEI       stringify_in_c(tdnei)
  31#define PPC_LLARX(t, a, b, eh)  PPC_LDARX(t, a, b, eh)
  32#define PPC_STLCX       stringify_in_c(stdcx.)
  33#define PPC_CNTLZL      stringify_in_c(cntlzd)
  34#define PPC_MTOCRF(FXM, RS) MTOCRF((FXM), RS)
  35#define PPC_LR_STKOFF   16
  36#define PPC_MIN_STKFRM  112
  37
  38#ifdef __BIG_ENDIAN__
  39#define LWZX_BE stringify_in_c(lwzx)
  40#define LDX_BE  stringify_in_c(ldx)
  41#define STWX_BE stringify_in_c(stwx)
  42#define STDX_BE stringify_in_c(stdx)
  43#else
  44#define LWZX_BE stringify_in_c(lwbrx)
  45#define LDX_BE  stringify_in_c(ldbrx)
  46#define STWX_BE stringify_in_c(stwbrx)
  47#define STDX_BE stringify_in_c(stdbrx)
  48#endif
  49
  50#else /* 32-bit */
  51
  52/* operations for longs and pointers */
  53#define PPC_LL          stringify_in_c(lwz)
  54#define PPC_STL         stringify_in_c(stw)
  55#define PPC_STLU        stringify_in_c(stwu)
  56#define PPC_LCMPI       stringify_in_c(cmpwi)
  57#define PPC_LCMPLI      stringify_in_c(cmplwi)
  58#define PPC_LCMP        stringify_in_c(cmpw)
  59#define PPC_LONG        stringify_in_c(.long)
  60#define PPC_LONG_ALIGN  stringify_in_c(.balign 4)
  61#define PPC_TLNEI       stringify_in_c(twnei)
  62#define PPC_LLARX(t, a, b, eh)  PPC_LWARX(t, a, b, eh)
  63#define PPC_STLCX       stringify_in_c(stwcx.)
  64#define PPC_CNTLZL      stringify_in_c(cntlzw)
  65#define PPC_MTOCRF      stringify_in_c(mtcrf)
  66#define PPC_LR_STKOFF   4
  67#define PPC_MIN_STKFRM  16
  68
  69#endif
  70
  71#ifdef __KERNEL__
  72#ifdef CONFIG_IBM405_ERR77
  73/* Erratum #77 on the 405 means we need a sync or dcbt before every
  74 * stwcx.  The old ATOMIC_SYNC_FIX covered some but not all of this.
  75 */
  76#define PPC405_ERR77(ra,rb)     stringify_in_c(dcbt     ra, rb;)
  77#define PPC405_ERR77_SYNC       stringify_in_c(sync;)
  78#else
  79#define PPC405_ERR77(ra,rb)
  80#define PPC405_ERR77_SYNC
  81#endif
  82#endif
  83
  84#endif /* _ASM_POWERPC_ASM_COMPAT_H */
  85