From: Samuel Ortiz <sa...@linux.intel.com> It's only used in op_helper.c, it does not need to be exported and moreover it should only be build when TCG is enabled.
Signed-off-by: Samuel Ortiz <sa...@linux.intel.com> [PMD: Rebased] Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com> --- target/arm/helper.c | 53 --------------------------------------- target/arm/internals.h | 2 ++ target/arm/op_helper.c | 56 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 58 insertions(+), 53 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index 673ada1e86..a4af02c984 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -10621,59 +10621,6 @@ hwaddr arm_cpu_get_phys_page_attrs_debug(CPUState *cs, vaddr addr, #endif -bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, - MMUAccessType access_type, int mmu_idx, - bool probe, uintptr_t retaddr) -{ - ARMCPU *cpu = ARM_CPU(cs); - -#ifdef CONFIG_USER_ONLY - cpu->env.exception.vaddress = address; - if (access_type == MMU_INST_FETCH) { - cs->exception_index = EXCP_PREFETCH_ABORT; - } else { - cs->exception_index = EXCP_DATA_ABORT; - } - cpu_loop_exit_restore(cs, retaddr); -#else - hwaddr phys_addr; - target_ulong page_size; - int prot, ret; - MemTxAttrs attrs = {}; - ARMMMUFaultInfo fi = {}; - - /* - * Walk the page table and (if the mapping exists) add the page - * to the TLB. On success, return true. Otherwise, if probing, - * return false. Otherwise populate fsr with ARM DFSR/IFSR fault - * register format, and signal the fault. - */ - ret = get_phys_addr(&cpu->env, address, access_type, - core_to_arm_mmu_idx(&cpu->env, mmu_idx), - &phys_addr, &attrs, &prot, &page_size, &fi, NULL); - if (likely(!ret)) { - /* - * Map a single [sub]page. Regions smaller than our declared - * target page size are handled specially, so for those we - * pass in the exact addresses. - */ - if (page_size >= TARGET_PAGE_SIZE) { - phys_addr &= TARGET_PAGE_MASK; - address &= TARGET_PAGE_MASK; - } - tlb_set_page_with_attrs(cs, address, phys_addr, attrs, - prot, mmu_idx, page_size); - return true; - } else if (probe) { - return false; - } else { - /* now we have a real cpu fault */ - cpu_restore_state(cs, retaddr, true); - arm_deliver_fault(cpu, address, access_type, mmu_idx, &fi); - } -#endif -} - /* Note that signed overflow is undefined in C. The following routines are careful to use unsigned types where modulo arithmetic is required. Failure to do so _will_ break on newer gcc. */ diff --git a/target/arm/internals.h b/target/arm/internals.h index fe9e4665e2..37ca493635 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -761,9 +761,11 @@ static inline bool arm_extabort_type(MemTxResult result) return result != MEMTX_DECODE_ERROR; } +#ifdef CONFIG_TCG bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, MMUAccessType access_type, int mmu_idx, bool probe, uintptr_t retaddr); +#endif void arm_deliver_fault(ARMCPU *cpu, vaddr addr, MMUAccessType access_type, int mmu_idx, ARMMMUFaultInfo *fi) QEMU_NORETURN; diff --git a/target/arm/op_helper.c b/target/arm/op_helper.c index 29b56039e5..e43c99ebf0 100644 --- a/target/arm/op_helper.c +++ b/target/arm/op_helper.c @@ -179,6 +179,62 @@ void arm_deliver_fault(ARMCPU *cpu, vaddr addr, MMUAccessType access_type, env->exception.fsr = fsr; raise_exception(env, exc, syn, target_el); } +#endif + +bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, + MMUAccessType access_type, int mmu_idx, + bool probe, uintptr_t retaddr) +{ + ARMCPU *cpu = ARM_CPU(cs); + +#ifdef CONFIG_USER_ONLY + cpu->env.exception.vaddress = address; + if (access_type == MMU_INST_FETCH) { + cs->exception_index = EXCP_PREFETCH_ABORT; + } else { + cs->exception_index = EXCP_DATA_ABORT; + } + cpu_loop_exit_restore(cs, retaddr); +#else + hwaddr phys_addr; + target_ulong page_size; + int prot, ret; + MemTxAttrs attrs = {}; + ARMMMUFaultInfo fi = {}; + + /* + * Walk the page table and (if the mapping exists) add the page + * to the TLB. On success, return true. Otherwise, if probing, + * return false. Otherwise populate fsr with ARM DFSR/IFSR fault + * register format, and signal the fault. + */ + ret = get_phys_addr(&cpu->env, address, access_type, + core_to_arm_mmu_idx(&cpu->env, mmu_idx), + &phys_addr, &attrs, &prot, &page_size, &fi, NULL); + if (likely(!ret)) { + /* + * Map a single [sub]page. Regions smaller than our declared + * target page size are handled specially, so for those we + * pass in the exact addresses. + */ + if (page_size >= TARGET_PAGE_SIZE) { + phys_addr &= TARGET_PAGE_MASK; + address &= TARGET_PAGE_MASK; + } + tlb_set_page_with_attrs(cs, address, phys_addr, attrs, + prot, mmu_idx, page_size); + return true; + } else if (probe) { + return false; + } else { + /* now we have a real cpu fault */ + cpu_restore_state(cs, retaddr, true); + arm_deliver_fault(cpu, address, access_type, mmu_idx, &fi); + } +#endif +} + +#if !defined(CONFIG_USER_ONLY) /* Raise a data fault alignment exception for the specified virtual address */ void arm_cpu_do_unaligned_access(CPUState *cs, vaddr vaddr, -- 2.20.1