-#ifdef CONFIG_PPC_8xx
- unsigned long tmp2;
-
- __asm__ __volatile__("\
-1: lwarx %0,0,%4\n\
- andc %1,%0,%5\n\
- or %1,%1,%6\n\
- /* 0x200 == Extended encoding, bit 22 */ \
- /* Bit 22 has to be 1 when _PAGE_USER is unset and _PAGE_RO is set */ \
- rlwimi %1,%1,32-1,0x200\n /* get _PAGE_RO */ \
- rlwinm %3,%1,32-2,0x200\n /* get _PAGE_USER */ \
- andc %1,%1,%3\n\
- stwcx. %1,0,%4\n\
- bne- 1b"
- : "=&r" (old), "=&r" (tmp), "=m" (*p), "=&r" (tmp2)
- : "r" (p), "r" (clr), "r" (set), "m" (*p)
- : "cc" );
-#else /* CONFIG_PPC_8xx */