bool tlb_dirty; /* Set to non-zero when modifying TLB */
bool kvm_sw_tlb; /* non-zero if KVM SW TLB API is active */
uint32_t tlb_need_flush; /* Delayed flush needed */
+#define TLB_NEED_LOCAL_FLUSH 0x1
#endif
/* Other registers */
static inline void check_tlb_flush(CPUPPCState *env)
{
CPUState *cs = CPU(ppc_env_get_cpu(env));
- if (env->tlb_need_flush) {
- env->tlb_need_flush = 0;
+ if (env->tlb_need_flush & TLB_NEED_LOCAL_FLUSH) {
tlb_flush(cs, 1);
+ env->tlb_need_flush &= ~TLB_NEED_LOCAL_FLUSH;
}
}
#else
* and we still don't have a tlb_flush_mask(env, n, mask)
* in QEMU, we just invalidate all TLBs
*/
- env->tlb_need_flush = 1;
+ env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH;
}
}
}
* and we still don't have a tlb_flush_mask(env, n, mask)
* in QEMU, we just invalidate all TLBs
*/
- env->tlb_need_flush = 1;
+ env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH;
}
}
* we just mark the TLB to be flushed later (context synchronizing
* event or sync instruction on 32-bit).
*/
- env->tlb_need_flush = 1;
+ env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH;
break;
#if defined(TARGET_PPC64)
case POWERPC_MMU_64B:
* and we still don't have a tlb_flush_mask(env, n, mask) in QEMU,
* we just invalidate all TLBs
*/
- env->tlb_need_flush = 1;
+ env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH;
break;
#endif /* defined(TARGET_PPC64) */
default:
}
}
#else
- env->tlb_need_flush = 1;
+ env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH;
#endif
}
}