On 01/23/2012 06:29 PM, Scott Wood wrote:
On 01/20/2012 10:15 PM, Alexander Graf wrote:+/* returns bitmap of supported page sizes for a given TLB */ +static inline uint32_t booke206_tlbnps(CPUState *env, const int tlbn) +{ + bool mav2 = false; + uint32_t ret = 0; + + if (mav2) { + ret = env->spr[SPR_BOOKE_TLB0PS + tlbn]; + } else { + uint32_t tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn]; + uint32_t min = (tlbncfg& TLBnCFG_MINSIZE)>> TLBnCFG_MINSIZE_SHIFT; + uint32_t max = (tlbncfg& TLBnCFG_MAXSIZE)>> TLBnCFG_MAXSIZE_SHIFT; + int i; + for (i = min; i<= max; i++) { + ret |= (1<< (i<< 1)); + } + }For mav1 only the even sizes are supported.
Yes, which is why min and max are >> 1 compared to the MAV2 values. Alex
