diff options
Diffstat (limited to 'target/hppa/mem_helper.c')
| -rw-r--r-- | target/hppa/mem_helper.c | 434 |
1 files changed, 319 insertions, 115 deletions
diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c index 350485f619..858ce6ec7f 100644 --- a/target/hppa/mem_helper.c +++ b/target/hppa/mem_helper.c @@ -25,72 +25,136 @@ #include "hw/core/cpu.h" #include "trace.h" -static hppa_tlb_entry *hppa_find_tlb(CPUHPPAState *env, vaddr addr) +hwaddr hppa_abs_to_phys_pa2_w1(vaddr addr) { - int i; - - for (i = 0; i < ARRAY_SIZE(env->tlb); ++i) { - hppa_tlb_entry *ent = &env->tlb[i]; - if (ent->va_b <= addr && addr <= ent->va_e) { - trace_hppa_tlb_find_entry(env, ent + i, ent->entry_valid, - ent->va_b, ent->va_e, ent->pa); - return ent; - } + if (likely(extract64(addr, 58, 4) != 0xf)) { + /* Memory address space */ + return addr & MAKE_64BIT_MASK(0, 62); + } + if (extract64(addr, 54, 4) != 0) { + /* I/O address space */ + return addr | MAKE_64BIT_MASK(62, 2); + } + /* PDC address space */ + return (addr & MAKE_64BIT_MASK(0, 54)) | MAKE_64BIT_MASK(60, 4); +} + +hwaddr hppa_abs_to_phys_pa2_w0(vaddr addr) +{ + if (likely(extract32(addr, 28, 4) != 0xf)) { + /* Memory address space */ + return addr & MAKE_64BIT_MASK(0, 32); + } + if (extract32(addr, 24, 4) != 0) { + /* I/O address space */ + return addr | MAKE_64BIT_MASK(32, 32); + } + /* PDC address space */ + return (addr & MAKE_64BIT_MASK(0, 24)) | MAKE_64BIT_MASK(60, 4); +} + +static hwaddr hppa_abs_to_phys(CPUHPPAState *env, vaddr addr) +{ + if (!hppa_is_pa20(env)) { + return addr; + } else if (env->psw & PSW_W) { + return hppa_abs_to_phys_pa2_w1(addr); + } else { + return hppa_abs_to_phys_pa2_w0(addr); + } +} + +static HPPATLBEntry *hppa_find_tlb(CPUHPPAState *env, vaddr addr) +{ + IntervalTreeNode *i = interval_tree_iter_first(&env->tlb_root, addr, addr); + + if (i) { + HPPATLBEntry *ent = container_of(i, HPPATLBEntry, itree); + trace_hppa_tlb_find_entry(env, ent, ent->entry_valid, + ent->itree.start, ent->itree.last, ent->pa); + return ent; } trace_hppa_tlb_find_entry_not_found(env, addr); return NULL; } -static void hppa_flush_tlb_ent(CPUHPPAState *env, hppa_tlb_entry *ent, +static void hppa_flush_tlb_ent(CPUHPPAState *env, HPPATLBEntry *ent, bool force_flush_btlb) { CPUState *cs = env_cpu(env); + bool is_btlb; if (!ent->entry_valid) { return; } - trace_hppa_tlb_flush_ent(env, ent, ent->va_b, ent->va_e, ent->pa); + trace_hppa_tlb_flush_ent(env, ent, ent->itree.start, + ent->itree.last, ent->pa); - tlb_flush_range_by_mmuidx(cs, ent->va_b, - ent->va_e - ent->va_b + 1, - HPPA_MMU_FLUSH_MASK, TARGET_LONG_BITS); + tlb_flush_range_by_mmuidx(cs, ent->itree.start, + ent->itree.last - ent->itree.start + 1, + HPPA_MMU_FLUSH_MASK, TARGET_LONG_BITS); - /* never clear BTLBs, unless forced to do so. */ - if (ent < &env->tlb[HPPA_BTLB_ENTRIES] && !force_flush_btlb) { + /* Never clear BTLBs, unless forced to do so. */ + is_btlb = ent < &env->tlb[HPPA_BTLB_ENTRIES(env)]; + if (is_btlb && !force_flush_btlb) { return; } + interval_tree_remove(&ent->itree, &env->tlb_root); memset(ent, 0, sizeof(*ent)); - ent->va_b = -1; + + if (!is_btlb) { + ent->unused_next = env->tlb_unused; + env->tlb_unused = ent; + } } -static hppa_tlb_entry *hppa_alloc_tlb_ent(CPUHPPAState *env) +static void hppa_flush_tlb_range(CPUHPPAState *env, vaddr va_b, vaddr va_e) { - hppa_tlb_entry *ent; - uint32_t i; + IntervalTreeNode *i, *n; - if (env->tlb_last < HPPA_BTLB_ENTRIES || env->tlb_last >= ARRAY_SIZE(env->tlb)) { - i = HPPA_BTLB_ENTRIES; - env->tlb_last = HPPA_BTLB_ENTRIES + 1; - } else { - i = env->tlb_last; - env->tlb_last++; + i = interval_tree_iter_first(&env->tlb_root, va_b, va_e); + for (; i ; i = n) { + HPPATLBEntry *ent = container_of(i, HPPATLBEntry, itree); + + /* + * Find the next entry now: In the normal case the current entry + * will be removed, but in the BTLB case it will remain. + */ + n = interval_tree_iter_next(i, va_b, va_e); + hppa_flush_tlb_ent(env, ent, false); } +} + +static HPPATLBEntry *hppa_alloc_tlb_ent(CPUHPPAState *env) +{ + HPPATLBEntry *ent = env->tlb_unused; + + if (ent == NULL) { + uint32_t btlb_entries = HPPA_BTLB_ENTRIES(env); + uint32_t i = env->tlb_last; - ent = &env->tlb[i]; + if (i < btlb_entries || i >= ARRAY_SIZE(env->tlb)) { + i = btlb_entries; + } + env->tlb_last = i + 1; - hppa_flush_tlb_ent(env, ent, false); + ent = &env->tlb[i]; + hppa_flush_tlb_ent(env, ent, false); + } + + env->tlb_unused = ent->unused_next; return ent; } int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, int type, hwaddr *pphys, int *pprot, - hppa_tlb_entry **tlb_entry) + HPPATLBEntry **tlb_entry) { hwaddr phys; int prot, r_prot, w_prot, x_prot, priv; - hppa_tlb_entry *ent; + HPPATLBEntry *ent; int ret = -1; if (tlb_entry) { @@ -106,7 +170,7 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, /* Find a valid tlb entry that matches the virtual address. */ ent = hppa_find_tlb(env, addr); - if (ent == NULL || !ent->entry_valid) { + if (ent == NULL) { phys = 0; prot = 0; ret = (type == PAGE_EXEC) ? EXCP_ITLB_MISS : EXCP_DTLB_MISS; @@ -118,7 +182,7 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, } /* We now know the physical address. */ - phys = ent->pa + (addr - ent->va_b); + phys = ent->pa + (addr - ent->itree.start); /* Map TLB access_rights field to QEMU protection. */ priv = MMU_IDX_TO_PRIV(mmu_idx); @@ -144,7 +208,7 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, } /* access_id == 0 means public page and no check is performed */ - if ((env->psw & PSW_P) && ent->access_id) { + if (ent->access_id && MMU_IDX_TO_P(mmu_idx)) { /* If bits [31:1] match, and bit 0 is set, suppress write. */ int match = ent->access_id * 2 + 1; @@ -197,7 +261,7 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx, } egress: - *pphys = phys; + *pphys = phys = hppa_abs_to_phys(env, phys); *pprot = prot; trace_hppa_tlb_get_physical_address(env, ret, prot, addr, phys); return ret; @@ -213,7 +277,7 @@ hwaddr hppa_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) /* ??? We really ought to know if the code mmu is disabled too, in order to get the correct debugging dumps. */ if (!(cpu->env.psw & PSW_D)) { - return addr; + return hppa_abs_to_phys(&cpu->env, addr); } excp = hppa_get_physical_address(&cpu->env, addr, MMU_KERNEL_IDX, 0, @@ -225,13 +289,60 @@ hwaddr hppa_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) return excp == EXCP_DTLB_MISS ? -1 : phys; } +G_NORETURN static void +raise_exception_with_ior(CPUHPPAState *env, int excp, uintptr_t retaddr, + vaddr addr, bool mmu_disabled) +{ + CPUState *cs = env_cpu(env); + + cs->exception_index = excp; + + if (env->psw & PSW_Q) { + /* + * For pa1.x, the offset and space never overlap, and so we + * simply extract the high and low part of the virtual address. + * + * For pa2.0, the formation of these are described in section + * "Interruption Parameter Registers", page 2-15. + */ + env->cr[CR_IOR] = (uint32_t)addr; + env->cr[CR_ISR] = addr >> 32; + + if (hppa_is_pa20(env)) { + if (mmu_disabled) { + /* + * If data translation was disabled, the ISR contains + * the upper portion of the abs address, zero-extended. + */ + env->cr[CR_ISR] &= 0x3fffffff; + } else { + /* + * If data translation was enabled, the upper two bits + * of the IOR (the b field) are equal to the two space + * bits from the base register used to form the gva. + */ + uint64_t b; + + cpu_restore_state(cs, retaddr); + + b = env->gr[env->unwind_breg]; + b >>= (env->psw & PSW_W ? 62 : 30); + env->cr[CR_IOR] |= b << 62; + + cpu_loop_exit(cs); + } + } + } + cpu_loop_exit_restore(cs, retaddr); +} + bool hppa_cpu_tlb_fill(CPUState *cs, vaddr addr, int size, MMUAccessType type, int mmu_idx, bool probe, uintptr_t retaddr) { HPPACPU *cpu = HPPA_CPU(cs); CPUHPPAState *env = &cpu->env; - hppa_tlb_entry *ent; + HPPATLBEntry *ent; int prot, excp, a_prot; hwaddr phys; @@ -254,56 +365,51 @@ bool hppa_cpu_tlb_fill(CPUState *cs, vaddr addr, int size, return false; } trace_hppa_tlb_fill_excp(env, addr, size, type, mmu_idx); + /* Failure. Raise the indicated exception. */ - cs->exception_index = excp; - if (cpu->env.psw & PSW_Q) { - /* ??? Needs tweaking for hppa64. */ - cpu->env.cr[CR_IOR] = addr; - cpu->env.cr[CR_ISR] = addr >> 32; - } - cpu_loop_exit_restore(cs, retaddr); + raise_exception_with_ior(env, excp, retaddr, + addr, mmu_idx == MMU_PHYS_IDX); } trace_hppa_tlb_fill_success(env, addr & TARGET_PAGE_MASK, phys & TARGET_PAGE_MASK, size, type, mmu_idx); - /* Success! Store the translation into the QEMU TLB. */ + + /* + * Success! Store the translation into the QEMU TLB. + * Note that we always install a single-page entry, because that + * is what works best with softmmu -- anything else will trigger + * the large page protection mask. We do not require this, + * because we record the large page here in the hppa tlb. + */ tlb_set_page(cs, addr & TARGET_PAGE_MASK, phys & TARGET_PAGE_MASK, - prot, mmu_idx, TARGET_PAGE_SIZE << (ent ? 2 * ent->page_size : 0)); + prot, mmu_idx, TARGET_PAGE_SIZE); return true; } /* Insert (Insn/Data) TLB Address. Note this is PA 1.1 only. */ -void HELPER(itlba)(CPUHPPAState *env, target_ulong addr, target_ureg reg) +void HELPER(itlba_pa11)(CPUHPPAState *env, target_ulong addr, target_ulong reg) { - hppa_tlb_entry *empty = NULL; - int i; - - /* Zap any old entries covering ADDR; notice empty entries on the way. */ - for (i = HPPA_BTLB_ENTRIES; i < ARRAY_SIZE(env->tlb); ++i) { - hppa_tlb_entry *ent = &env->tlb[i]; - if (ent->va_b <= addr && addr <= ent->va_e) { - if (ent->entry_valid) { - hppa_flush_tlb_ent(env, ent, false); - } - if (!empty) { - empty = ent; - } - } - } + HPPATLBEntry *ent; - /* If we didn't see an empty entry, evict one. */ - if (empty == NULL) { - empty = hppa_alloc_tlb_ent(env); + /* Zap any old entries covering ADDR. */ + addr &= TARGET_PAGE_MASK; + hppa_flush_tlb_range(env, addr, addr + TARGET_PAGE_SIZE - 1); + + ent = env->tlb_partial; + if (ent == NULL) { + ent = hppa_alloc_tlb_ent(env); + env->tlb_partial = ent; } - /* Note that empty->entry_valid == 0 already. */ - empty->va_b = addr & TARGET_PAGE_MASK; - empty->va_e = empty->va_b + TARGET_PAGE_SIZE - 1; - empty->pa = extract32(reg, 5, 20) << TARGET_PAGE_BITS; - trace_hppa_tlb_itlba(env, empty, empty->va_b, empty->va_e, empty->pa); + /* Note that ent->entry_valid == 0 already. */ + ent->itree.start = addr; + ent->itree.last = addr + TARGET_PAGE_SIZE - 1; + ent->pa = extract32(reg, 5, 20) << TARGET_PAGE_BITS; + trace_hppa_tlb_itlba(env, ent, ent->itree.start, ent->itree.last, ent->pa); } -static void set_access_bits(CPUHPPAState *env, hppa_tlb_entry *ent, target_ureg reg) +static void set_access_bits_pa11(CPUHPPAState *env, HPPATLBEntry *ent, + target_ulong reg) { ent->access_id = extract32(reg, 1, 18); ent->u = extract32(reg, 19, 1); @@ -314,49 +420,153 @@ static void set_access_bits(CPUHPPAState *env, hppa_tlb_entry *ent, target_ureg ent->d = extract32(reg, 28, 1); ent->t = extract32(reg, 29, 1); ent->entry_valid = 1; + + interval_tree_insert(&ent->itree, &env->tlb_root); trace_hppa_tlb_itlbp(env, ent, ent->access_id, ent->u, ent->ar_pl2, ent->ar_pl1, ent->ar_type, ent->b, ent->d, ent->t); } /* Insert (Insn/Data) TLB Protection. Note this is PA 1.1 only. */ -void HELPER(itlbp)(CPUHPPAState *env, target_ulong addr, target_ureg reg) +void HELPER(itlbp_pa11)(CPUHPPAState *env, target_ulong addr, target_ulong reg) { - hppa_tlb_entry *ent = hppa_find_tlb(env, addr); + HPPATLBEntry *ent = env->tlb_partial; - if (unlikely(ent == NULL)) { - qemu_log_mask(LOG_GUEST_ERROR, "ITLBP not following ITLBA\n"); - return; + if (ent) { + env->tlb_partial = NULL; + if (ent->itree.start <= addr && addr <= ent->itree.last) { + set_access_bits_pa11(env, ent, reg); + return; + } } + qemu_log_mask(LOG_GUEST_ERROR, "ITLBP not following ITLBA\n"); +} + +static void itlbt_pa20(CPUHPPAState *env, target_ulong r1, + target_ulong r2, vaddr va_b) +{ + HPPATLBEntry *ent; + vaddr va_e; + uint64_t va_size; + int mask_shift; + + mask_shift = 2 * (r1 & 0xf); + va_size = TARGET_PAGE_SIZE << mask_shift; + va_b &= -va_size; + va_e = va_b + va_size - 1; + + hppa_flush_tlb_range(env, va_b, va_e); + ent = hppa_alloc_tlb_ent(env); + + ent->itree.start = va_b; + ent->itree.last = va_e; + ent->pa = (r1 << 7) & (TARGET_PAGE_MASK << mask_shift); + ent->t = extract64(r2, 61, 1); + ent->d = extract64(r2, 60, 1); + ent->b = extract64(r2, 59, 1); + ent->ar_type = extract64(r2, 56, 3); + ent->ar_pl1 = extract64(r2, 54, 2); + ent->ar_pl2 = extract64(r2, 52, 2); + ent->u = extract64(r2, 51, 1); + /* o = bit 50 */ + /* p = bit 49 */ + ent->access_id = extract64(r2, 1, 31); + ent->entry_valid = 1; - set_access_bits(env, ent, reg); + interval_tree_insert(&ent->itree, &env->tlb_root); + trace_hppa_tlb_itlba(env, ent, ent->itree.start, ent->itree.last, ent->pa); + trace_hppa_tlb_itlbp(env, ent, ent->access_id, ent->u, + ent->ar_pl2, ent->ar_pl1, ent->ar_type, + ent->b, ent->d, ent->t); } -/* Purge (Insn/Data) TLB. This is explicitly page-based, and is - synchronous across all processors. */ +void HELPER(idtlbt_pa20)(CPUHPPAState *env, target_ulong r1, target_ulong r2) +{ + vaddr va_b = deposit64(env->cr[CR_IOR], 32, 32, env->cr[CR_ISR]); + itlbt_pa20(env, r1, r2, va_b); +} + +void HELPER(iitlbt_pa20)(CPUHPPAState *env, target_ulong r1, target_ulong r2) +{ + vaddr va_b = deposit64(env->cr[CR_IIAOQ], 32, 32, env->cr[CR_IIASQ]); + itlbt_pa20(env, r1, r2, va_b); +} + +/* Purge (Insn/Data) TLB. */ static void ptlb_work(CPUState *cpu, run_on_cpu_data data) { CPUHPPAState *env = cpu_env(cpu); - target_ulong addr = (target_ulong) data.target_ptr; - hppa_tlb_entry *ent = hppa_find_tlb(env, addr); + vaddr start = data.target_ptr; + vaddr end; + + /* + * PA2.0 allows a range of pages encoded into GR[b], which we have + * copied into the bottom bits of the otherwise page-aligned address. + * PA1.x will always provide zero here, for a single page flush. + */ + end = start & 0xf; + start &= TARGET_PAGE_MASK; + end = TARGET_PAGE_SIZE << (2 * end); + end = start + end - 1; + + hppa_flush_tlb_range(env, start, end); +} - if (ent && ent->entry_valid) { - hppa_flush_tlb_ent(env, ent, false); - } +/* This is local to the current cpu. */ +void HELPER(ptlb_l)(CPUHPPAState *env, target_ulong addr) +{ + trace_hppa_tlb_ptlb_local(env); + ptlb_work(env_cpu(env), RUN_ON_CPU_TARGET_PTR(addr)); } +/* This is synchronous across all processors. */ void HELPER(ptlb)(CPUHPPAState *env, target_ulong addr) { CPUState *src = env_cpu(env); CPUState *cpu; + bool wait = false; + trace_hppa_tlb_ptlb(env); run_on_cpu_data data = RUN_ON_CPU_TARGET_PTR(addr); CPU_FOREACH(cpu) { if (cpu != src) { async_run_on_cpu(cpu, ptlb_work, data); + wait = true; } } - async_safe_run_on_cpu(src, ptlb_work, data); + if (wait) { + async_safe_run_on_cpu(src, ptlb_work, data); + } else { + ptlb_work(src, data); + } +} + +void hppa_ptlbe(CPUHPPAState *env) +{ + uint32_t btlb_entries = HPPA_BTLB_ENTRIES(env); + uint32_t i; + + /* Zap the (non-btlb) tlb entries themselves. */ + memset(&env->tlb[btlb_entries], 0, + sizeof(env->tlb) - btlb_entries * sizeof(env->tlb[0])); + env->tlb_last = btlb_entries; + env->tlb_partial = NULL; + + /* Put them all onto the unused list. */ + env->tlb_unused = &env->tlb[btlb_entries]; + for (i = btlb_entries; i < ARRAY_SIZE(env->tlb) - 1; ++i) { + env->tlb[i].unused_next = &env->tlb[i + 1]; + } + + /* Re-initialize the interval tree with only the btlb entries. */ + memset(&env->tlb_root, 0, sizeof(env->tlb_root)); + for (i = 0; i < btlb_entries; ++i) { + if (env->tlb[i].entry_valid) { + interval_tree_insert(&env->tlb[i].itree, &env->tlb_root); + } + } + + tlb_flush_by_mmuidx(env_cpu(env), HPPA_MMU_FLUSH_MASK); } /* Purge (Insn/Data) TLB entry. This affects an implementation-defined @@ -365,17 +575,12 @@ void HELPER(ptlbe)(CPUHPPAState *env) { trace_hppa_tlb_ptlbe(env); qemu_log_mask(CPU_LOG_MMU, "FLUSH ALL TLB ENTRIES\n"); - memset(&env->tlb[HPPA_BTLB_ENTRIES], 0, - sizeof(env->tlb) - HPPA_BTLB_ENTRIES * sizeof(env->tlb[0])); - env->tlb_last = HPPA_BTLB_ENTRIES; - tlb_flush_by_mmuidx(env_cpu(env), HPPA_MMU_FLUSH_MASK); + hppa_ptlbe(env); } void cpu_hppa_change_prot_id(CPUHPPAState *env) { - if (env->psw & PSW_P) { - tlb_flush_by_mmuidx(env_cpu(env), HPPA_MMU_FLUSH_MASK); - } + tlb_flush_by_mmuidx(env_cpu(env), HPPA_MMU_FLUSH_P_MASK); } void HELPER(change_prot_id)(CPUHPPAState *env) @@ -383,7 +588,7 @@ void HELPER(change_prot_id)(CPUHPPAState *env) cpu_hppa_change_prot_id(env); } -target_ureg HELPER(lpa)(CPUHPPAState *env, target_ulong addr) +target_ulong HELPER(lpa)(CPUHPPAState *env, target_ulong addr) { hwaddr phys; int prot, excp; @@ -391,16 +596,11 @@ target_ureg HELPER(lpa)(CPUHPPAState *env, target_ulong addr) excp = hppa_get_physical_address(env, addr, MMU_KERNEL_IDX, 0, &phys, &prot, NULL); if (excp >= 0) { - if (env->psw & PSW_Q) { - /* ??? Needs tweaking for hppa64. */ - env->cr[CR_IOR] = addr; - env->cr[CR_ISR] = addr >> 32; - } if (excp == EXCP_DTLB_MISS) { excp = EXCP_NA_DTLB_MISS; } trace_hppa_tlb_lpa_failed(env, addr); - hppa_dynamic_excp(env, excp, GETPC()); + raise_exception_with_ior(env, excp, GETPC(), addr, false); } trace_hppa_tlb_lpa_success(env, addr, phys); return phys; @@ -409,7 +609,7 @@ target_ureg HELPER(lpa)(CPUHPPAState *env, target_ulong addr) /* Return the ar_type of the TLB at VADDR, or -1. */ int hppa_artype_for_page(CPUHPPAState *env, target_ulong vaddr) { - hppa_tlb_entry *ent = hppa_find_tlb(env, vaddr); + HPPATLBEntry *ent = hppa_find_tlb(env, vaddr); return ent ? ent->ar_type : -1; } @@ -424,15 +624,17 @@ void HELPER(diag_btlb)(CPUHPPAState *env) unsigned int phys_page, len, slot; int mmu_idx = cpu_mmu_index(env, 0); uintptr_t ra = GETPC(); - hppa_tlb_entry *btlb; + HPPATLBEntry *btlb; uint64_t virt_page; uint32_t *vaddr; + uint32_t btlb_entries = HPPA_BTLB_ENTRIES(env); -#ifdef TARGET_HPPA64 /* BTLBs are not supported on 64-bit CPUs */ - env->gr[28] = -1; /* nonexistent procedure */ - return; -#endif + if (btlb_entries == 0) { + env->gr[28] = -1; /* nonexistent procedure */ + return; + } + env->gr[28] = 0; /* PDC_OK */ switch (env->gr[25]) { @@ -446,8 +648,8 @@ void HELPER(diag_btlb)(CPUHPPAState *env) } else { vaddr[0] = cpu_to_be32(1); vaddr[1] = cpu_to_be32(16 * 1024); - vaddr[2] = cpu_to_be32(HPPA_BTLB_FIXED); - vaddr[3] = cpu_to_be32(HPPA_BTLB_VARIABLE); + vaddr[2] = cpu_to_be32(PA10_BTLB_FIXED); + vaddr[3] = cpu_to_be32(PA10_BTLB_VARIABLE); } break; case 1: @@ -464,15 +666,17 @@ void HELPER(diag_btlb)(CPUHPPAState *env) (long long) virt_page << TARGET_PAGE_BITS, (long long) (virt_page + len) << TARGET_PAGE_BITS, (long long) virt_page, phys_page, len, slot); - if (slot < HPPA_BTLB_ENTRIES) { + if (slot < btlb_entries) { btlb = &env->tlb[slot]; - /* force flush of possibly existing BTLB entry */ + + /* Force flush of possibly existing BTLB entry. */ hppa_flush_tlb_ent(env, btlb, true); - /* create new BTLB entry */ - btlb->va_b = virt_page << TARGET_PAGE_BITS; - btlb->va_e = btlb->va_b + len * TARGET_PAGE_SIZE - 1; + + /* Create new BTLB entry */ + btlb->itree.start = virt_page << TARGET_PAGE_BITS; + btlb->itree.last = btlb->itree.start + len * TARGET_PAGE_SIZE - 1; btlb->pa = phys_page << TARGET_PAGE_BITS; - set_access_bits(env, btlb, env->gr[20]); + set_access_bits_pa11(env, btlb, env->gr[20]); btlb->t = 0; btlb->d = 1; } else { @@ -484,7 +688,7 @@ void HELPER(diag_btlb)(CPUHPPAState *env) slot = env->gr[22]; qemu_log_mask(CPU_LOG_MMU, "PDC_BLOCK_TLB: PDC_BTLB_PURGE slot %d\n", slot); - if (slot < HPPA_BTLB_ENTRIES) { + if (slot < btlb_entries) { btlb = &env->tlb[slot]; hppa_flush_tlb_ent(env, btlb, true); } else { @@ -494,7 +698,7 @@ void HELPER(diag_btlb)(CPUHPPAState *env) case 3: /* Purge all BTLB entries */ qemu_log_mask(CPU_LOG_MMU, "PDC_BLOCK_TLB: PDC_BTLB_PURGE_ALL\n"); - for (slot = 0; slot < HPPA_BTLB_ENTRIES; slot++) { + for (slot = 0; slot < btlb_entries; slot++) { btlb = &env->tlb[slot]; hppa_flush_tlb_ent(env, btlb, true); } |