include/asm-arm/vfpmacros.h

   1 /*
   2  * linux/include/asm-arm/vfpmacros.h
   3  *
   4  * Assembler-only file containing VFP macros and register definitions.
   5  */
   6 #include "vfp.h"
   7
   8 @ Macros to allow building with old toolkits (with no VFP support)
   9         .macro  VFPFMRX, rd, sysreg, cond
  10         MRC\cond        p10, 7, \rd, \sysreg, cr0, 0    @ FMRX  \rd, \sysreg
  11         .endm
  12
  13         .macro  VFPFMXR, sysreg, rd, cond
  14         MCR\cond        p10, 7, \rd, \sysreg, cr0, 0    @ FMXR  \sysreg, \rd
  15         .endm
  16
  17         @ read all the working registers back into the VFP
  18         .macro  VFPFLDMIA, base
  19 #if __LINUX_ARM_ARCH__ < 6
  20         LDC     p11, cr0, [\base],#33*4             @ FLDMIAX \base!, {d0-d15}
  21 #else
  22         LDC     p11, cr0, [\base],#32*4             @ FLDMIAD \base!, {d0-d15}
  23 #endif
  24         .endm
  25
  26         @ write all the working registers out of the VFP
  27         .macro  VFPFSTMIA, base
  28 #if __LINUX_ARM_ARCH__ < 6
  29         STC     p11, cr0, [\base],#33*4             @ FSTMIAX \base!, {d0-d15}
  30 #else
  31         STC     p11, cr0, [\base],#32*4             @ FSTMIAD \base!, {d0-d15}
  32 #endif
  33         .endm