diff options
Diffstat (limited to 'target-ppc/op_helper.c')
-rw-r--r-- | target-ppc/op_helper.c | 160 |
1 files changed, 38 insertions, 122 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 29f72e1a34..dde7595fda 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -3959,7 +3959,7 @@ target_ulong helper_4xx_tlbre_hi (target_ulong entry) int size; entry &= PPC4XX_TLB_ENTRY_MASK; - tlb = &env->tlb[entry].tlbe; + tlb = &env->tlb.tlbe[entry]; ret = tlb->EPN; if (tlb->prot & PAGE_VALID) { ret |= PPC4XX_TLBHI_V; @@ -3979,7 +3979,7 @@ target_ulong helper_4xx_tlbre_lo (target_ulong entry) target_ulong ret; entry &= PPC4XX_TLB_ENTRY_MASK; - tlb = &env->tlb[entry].tlbe; + tlb = &env->tlb.tlbe[entry]; ret = tlb->RPN; if (tlb->prot & PAGE_EXEC) { ret |= PPC4XX_TLBLO_EX; @@ -3998,7 +3998,7 @@ void helper_4xx_tlbwe_hi (target_ulong entry, target_ulong val) LOG_SWTLB("%s entry %d val " TARGET_FMT_lx "\n", __func__, (int)entry, val); entry &= PPC4XX_TLB_ENTRY_MASK; - tlb = &env->tlb[entry].tlbe; + tlb = &env->tlb.tlbe[entry]; /* Invalidate previous TLB (if it's valid) */ if (tlb->prot & PAGE_VALID) { end = tlb->EPN + tlb->size; @@ -4056,7 +4056,7 @@ void helper_4xx_tlbwe_lo (target_ulong entry, target_ulong val) LOG_SWTLB("%s entry %i val " TARGET_FMT_lx "\n", __func__, (int)entry, val); entry &= PPC4XX_TLB_ENTRY_MASK; - tlb = &env->tlb[entry].tlbe; + tlb = &env->tlb.tlbe[entry]; tlb->attr = val & PPC4XX_TLBLO_ATTR_MASK; tlb->RPN = val & PPC4XX_TLBLO_RPN_MASK; tlb->prot = PAGE_READ; @@ -4091,7 +4091,7 @@ void helper_440_tlbwe (uint32_t word, target_ulong entry, target_ulong value) __func__, word, (int)entry, value); do_flush_tlbs = 0; entry &= 0x3F; - tlb = &env->tlb[entry].tlbe; + tlb = &env->tlb.tlbe[entry]; switch (word) { default: /* Just here to please gcc */ @@ -4150,7 +4150,7 @@ target_ulong helper_440_tlbre (uint32_t word, target_ulong entry) int size; entry &= 0x3F; - tlb = &env->tlb[entry].tlbe; + tlb = &env->tlb.tlbe[entry]; switch (word) { default: /* Just here to please gcc */ @@ -4196,7 +4196,7 @@ target_ulong helper_440_tlbsx (target_ulong address) /* PowerPC BookE 2.06 TLB management */ -static ppcemb_tlb_t *booke206_cur_tlb(CPUState *env) +static ppcmas_tlb_t *booke206_cur_tlb(CPUState *env) { uint32_t tlbncfg = 0; int esel = (env->spr[SPR_BOOKE_MAS0] & MAS0_ESEL_MASK) >> MAS0_ESEL_SHIFT; @@ -4210,17 +4210,7 @@ static ppcemb_tlb_t *booke206_cur_tlb(CPUState *env) cpu_abort(env, "we don't support HES yet\n"); } - return booke206_get_tlbe(env, tlb, ea, esel); -} - -static inline target_phys_addr_t booke206_tlb_to_page_size(int size) -{ - return (1 << (size << 1)) << 10; -} - -static inline target_phys_addr_t booke206_page_size_to_tlb(uint64_t size) -{ - return (ffs(size >> 10) - 1) >> 1; + return booke206_get_tlbm(env, tlb, ea, esel); } void helper_booke_setpid(uint32_t pidn, target_ulong pid) @@ -4233,9 +4223,7 @@ void helper_booke_setpid(uint32_t pidn, target_ulong pid) void helper_booke206_tlbwe(void) { uint32_t tlbncfg, tlbn; - ppcemb_tlb_t *tlb; - target_phys_addr_t rpn; - int tlbe_size; + ppcmas_tlb_t *tlb; switch (env->spr[SPR_BOOKE_MAS0] & MAS0_WQ_MASK) { case MAS0_WQ_ALWAYS: @@ -4269,116 +4257,43 @@ void helper_booke206_tlbwe(void) if (msr_gs) { cpu_abort(env, "missing HV implementation\n"); - } else { - rpn = ((uint64_t)env->spr[SPR_BOOKE_MAS7] << 32) | - (env->spr[SPR_BOOKE_MAS3] & 0xfffff000); - } - tlb->RPN = rpn; - - tlb->PID = (env->spr[SPR_BOOKE_MAS1] & MAS1_TID_MASK) >> MAS1_TID_SHIFT; - if (tlbncfg & TLBnCFG_AVAIL) { - tlbe_size = (env->spr[SPR_BOOKE_MAS1] & MAS1_TSIZE_MASK) - >> MAS1_TSIZE_SHIFT; - } else { - tlbe_size = (tlbncfg & TLBnCFG_MINSIZE) >> TLBnCFG_MINSIZE_SHIFT; } + tlb->mas7_3 = ((uint64_t)env->spr[SPR_BOOKE_MAS7] << 32) | + env->spr[SPR_BOOKE_MAS3]; + tlb->mas1 = env->spr[SPR_BOOKE_MAS1]; + /* XXX needs to change when supporting 64-bit e500 */ + tlb->mas2 = env->spr[SPR_BOOKE_MAS2] & 0xffffffff; - tlb->size = booke206_tlb_to_page_size(tlbe_size); - tlb->EPN = (uint32_t)(env->spr[SPR_BOOKE_MAS2] & MAS2_EPN_MASK); - tlb->attr = env->spr[SPR_BOOKE_MAS2] & (MAS2_ACM | MAS2_VLE | MAS2_W | - MAS2_I | MAS2_M | MAS2_G | MAS2_E) - << 1; - - if (tlbncfg & TLBnCFG_IPROT) { - tlb->attr |= env->spr[SPR_BOOKE_MAS1] & MAS1_IPROT; - } - tlb->attr |= (env->spr[SPR_BOOKE_MAS3] & - ((MAS3_U0 | MAS3_U1 | MAS3_U2 | MAS3_U3)) << 8); - if (env->spr[SPR_BOOKE_MAS1] & MAS1_TS) { - tlb->attr |= 1; - } - - tlb->prot = 0; - - if (env->spr[SPR_BOOKE_MAS1] & MAS1_VALID) { - tlb->prot |= PAGE_VALID; - } - if (env->spr[SPR_BOOKE_MAS3] & MAS3_UX) { - tlb->prot |= PAGE_EXEC; - } - if (env->spr[SPR_BOOKE_MAS3] & MAS3_SX) { - tlb->prot |= PAGE_EXEC << 4; - } - if (env->spr[SPR_BOOKE_MAS3] & MAS3_UW) { - tlb->prot |= PAGE_WRITE; - } - if (env->spr[SPR_BOOKE_MAS3] & MAS3_SW) { - tlb->prot |= PAGE_WRITE << 4; - } - if (env->spr[SPR_BOOKE_MAS3] & MAS3_UR) { - tlb->prot |= PAGE_READ; - } - if (env->spr[SPR_BOOKE_MAS3] & MAS3_SR) { - tlb->prot |= PAGE_READ << 4; + if (!(tlbncfg & TLBnCFG_IPROT)) { + /* no IPROT supported by TLB */ + tlb->mas1 &= ~MAS1_IPROT; } - if (tlb->size == TARGET_PAGE_SIZE) { - tlb_flush_page(env, tlb->EPN); + if (booke206_tlb_to_page_size(env, tlb) == TARGET_PAGE_SIZE) { + tlb_flush_page(env, tlb->mas2 & MAS2_EPN_MASK); } else { tlb_flush(env, 1); } } -static inline void booke206_tlb_to_mas(CPUState *env, ppcemb_tlb_t *tlb) +static inline void booke206_tlb_to_mas(CPUState *env, ppcmas_tlb_t *tlb) { - int tlbn = booke206_tlbe_to_tlbn(env, tlb); - int way = booke206_tlbe_to_way(env, tlb); + int tlbn = booke206_tlbm_to_tlbn(env, tlb); + int way = booke206_tlbm_to_way(env, tlb); env->spr[SPR_BOOKE_MAS0] = tlbn << MAS0_TLBSEL_SHIFT; env->spr[SPR_BOOKE_MAS0] |= way << MAS0_ESEL_SHIFT; - - env->spr[SPR_BOOKE_MAS1] = MAS1_VALID; - env->spr[SPR_BOOKE_MAS2] = 0; - - env->spr[SPR_BOOKE_MAS7] = (uint64_t)tlb->RPN >> 32; - env->spr[SPR_BOOKE_MAS3] = tlb->RPN; - env->spr[SPR_BOOKE_MAS1] |= tlb->PID << MAS1_TID_SHIFT; - env->spr[SPR_BOOKE_MAS1] |= booke206_page_size_to_tlb(tlb->size) - << MAS1_TSIZE_SHIFT; - env->spr[SPR_BOOKE_MAS1] |= tlb->attr & MAS1_IPROT; - if (tlb->attr & 1) { - env->spr[SPR_BOOKE_MAS1] |= MAS1_TS; - } - - env->spr[SPR_BOOKE_MAS2] = tlb->EPN; - env->spr[SPR_BOOKE_MAS2] |= (tlb->attr >> 1) & - (MAS2_ACM | MAS2_VLE | MAS2_W | MAS2_I | MAS2_M | MAS2_G | MAS2_E); - - if (tlb->prot & PAGE_EXEC) { - env->spr[SPR_BOOKE_MAS3] |= MAS3_UX; - } - if (tlb->prot & (PAGE_EXEC << 4)) { - env->spr[SPR_BOOKE_MAS3] |= MAS3_SX; - } - if (tlb->prot & PAGE_WRITE) { - env->spr[SPR_BOOKE_MAS3] |= MAS3_UW; - } - if (tlb->prot & (PAGE_WRITE << 4)) { - env->spr[SPR_BOOKE_MAS3] |= MAS3_SW; - } - if (tlb->prot & PAGE_READ) { - env->spr[SPR_BOOKE_MAS3] |= MAS3_UR; - } - if (tlb->prot & (PAGE_READ << 4)) { - env->spr[SPR_BOOKE_MAS3] |= MAS3_SR; - } - env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT; + + env->spr[SPR_BOOKE_MAS1] = tlb->mas1; + env->spr[SPR_BOOKE_MAS2] = tlb->mas2; + env->spr[SPR_BOOKE_MAS3] = tlb->mas7_3; + env->spr[SPR_BOOKE_MAS7] = tlb->mas7_3 >> 32; } void helper_booke206_tlbre(void) { - ppcemb_tlb_t *tlb = NULL; + ppcmas_tlb_t *tlb = NULL; tlb = booke206_cur_tlb(env); booke206_tlb_to_mas(env, tlb); @@ -4386,7 +4301,7 @@ void helper_booke206_tlbre(void) void helper_booke206_tlbsx(target_ulong address) { - ppcemb_tlb_t *tlb = NULL; + ppcmas_tlb_t *tlb = NULL; int i, j; target_phys_addr_t raddr; uint32_t spid, sas; @@ -4398,13 +4313,13 @@ void helper_booke206_tlbsx(target_ulong address) int ways = booke206_tlb_ways(env, i); for (j = 0; j < ways; j++) { - tlb = booke206_get_tlbe(env, i, address, j); + tlb = booke206_get_tlbm(env, i, address, j); - if (ppcemb_tlb_check(env, tlb, &raddr, address, spid, 0, j)) { + if (ppcmas_tlb_check(env, tlb, &raddr, address, spid)) { continue; } - if (sas != (tlb->attr & MAS6_SAS)) { + if (sas != ((tlb->mas1 & MAS1_TS) >> MAS1_TS_SHIFT)) { continue; } @@ -4439,13 +4354,14 @@ static inline void booke206_invalidate_ea_tlb(CPUState *env, int tlbn, { int i; int ways = booke206_tlb_ways(env, tlbn); + target_ulong mask; for (i = 0; i < ways; i++) { - ppcemb_tlb_t *tlb = booke206_get_tlbe(env, tlbn, ea, i); - target_phys_addr_t masked_ea = ea & ~(tlb->size - 1); - if ((tlb->EPN == (masked_ea >> MAS2_EPN_SHIFT)) && - !(tlb->attr & MAS1_IPROT)) { - tlb->prot = 0; + ppcmas_tlb_t *tlb = booke206_get_tlbm(env, tlbn, ea, i); + mask = ~(booke206_tlb_to_page_size(env, tlb) - 1); + if (((tlb->mas2 & MAS2_EPN_MASK) == (ea & mask)) && + !(tlb->mas1 & MAS1_IPROT)) { + tlb->mas1 &= ~MAS1_VALID; } } } |