text: #ifndef _SPARC64_PSRCOMPAT_H
  #define _SPARC64_PSRCOMPAT_H
  
  #include <asm/pstate.h>
  
  /* Old 32-bit PSR fields for the compatibility conversion code. */
  #define PSR_CWP     0x0000001f         /* current window pointer     */
  #define PSR_ET      0x00000020         /* enable traps field         */
  #define PSR_PS      0x00000040         /* previous privilege level   */
  #define PSR_S       0x00000080         /* current privilege level    */
  #define PSR_PIL     0x00000f00         /* processor interrupt level  */
  #define PSR_EF      0x00001000         /* enable floating point      */
  #define PSR_EC      0x00002000         /* enable co-processor        */
  #define PSR_SYSCALL 0x00004000         /* inside of a syscall        */
  #define PSR_LE      0x00008000         /* SuperSparcII little-endian */
  #define PSR_ICC     0x00f00000         /* integer condition codes    */
  #define PSR_C       0x00100000         /* carry bit                  */
  #define PSR_V       0x00200000         /* overflow bit               */
  #define PSR_Z       0x00400000         /* zero bit                   */
  #define PSR_N       0x00800000         /* negative bit               */
  #define PSR_VERS    0x0f000000         /* cpu-version field          */
  #define PSR_IMPL    0xf0000000         /* cpu-implementation field   */
  
  #define PSR_V8PLUS  0xff000000         /* fake impl/ver, meaning a 64bit CPU is present */
  #define PSR_XCC	    0x000f0000         /* if PSR_V8PLUS, this is %xcc */
  
  static inline unsigned int tstate_to_psr(unsigned long tstate)
  {
  	return ((tstate & TSTATE_CWP)			|
  		PSR_S					|
  		((tstate & TSTATE_ICC) >> 12)		|
  		((tstate & TSTATE_XCC) >> 20)		|
  		((tstate & TSTATE_SYSCALL) ? PSR_SYSCALL : 0) |
  		PSR_V8PLUS);
  }
  
  static inline unsigned long psr_to_tstate_icc(unsigned int psr)
  {
  	unsigned long tstate = ((unsigned long)(psr & PSR_ICC)) << 12;
  	if ((psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS)
  		tstate |= ((unsigned long)(psr & PSR_XCC)) << 20;
  	return tstate;
  }
  
  #endif /* !(_SPARC64_PSRCOMPAT_H) */
  