diff options
Diffstat (limited to 'target-ppc/cpu.h')
| -rw-r--r-- | target-ppc/cpu.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h index 6f4cddecfa..1026254605 100644 --- a/target-ppc/cpu.h +++ b/target-ppc/cpu.h @@ -1355,6 +1355,10 @@ static inline void cpu_clone_regs(CPUState *env, target_ulong newsp) #define SPR_BOOKE_DVC2 (0x13F) #define SPR_BOOKE_TSR (0x150) #define SPR_BOOKE_TCR (0x154) +#define SPR_BOOKE_TLB0PS (0x158) +#define SPR_BOOKE_TLB1PS (0x159) +#define SPR_BOOKE_TLB2PS (0x15A) +#define SPR_BOOKE_TLB3PS (0x15B) #define SPR_BOOKE_IVOR0 (0x190) #define SPR_BOOKE_IVOR1 (0x191) #define SPR_BOOKE_IVOR2 (0x192) @@ -2116,6 +2120,27 @@ static inline ppcmas_tlb_t *booke206_get_tlbm(CPUState *env, const int tlbn, return &env->tlb.tlbm[r]; } +/* 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)); + } + } + + return ret; +} + #endif extern void (*cpu_ppc_hypercall)(CPUState *); |