diff options
Diffstat (limited to 'sys/powerpc/booke/machdep.c')
| -rw-r--r-- | sys/powerpc/booke/machdep.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/sys/powerpc/booke/machdep.c b/sys/powerpc/booke/machdep.c index d2e25e7..e9a0099 100644 --- a/sys/powerpc/booke/machdep.c +++ b/sys/powerpc/booke/machdep.c @@ -706,6 +706,7 @@ cpu_idle (int busy) register_t msr; msr = mfmsr(); + #ifdef INVARIANTS if ((msr & PSL_EE) != PSL_EE) { struct thread *td = curthread; @@ -713,19 +714,10 @@ cpu_idle (int busy) panic("ints disabled in idleproc!"); } #endif -#if 0 - /* - * Freescale E500 core RM section 6.4.1 - */ - msr = msr | PSL_WE; - __asm__(" msync;" - " mtmsr %0;" - " isync;" - "loop: b loop" : - /* no output */ : - "r" (msr)); -#endif + /* Freescale E500 core RM section 6.4.1. */ + msr = msr | PSL_WE; + __asm __volatile("msync; mtmsr %0; isync" :: "r" (msr)); } int |
