diff options
Diffstat (limited to 'target/arm/internals.h')
| -rw-r--r-- | target/arm/internals.h | 69 |
1 files changed, 65 insertions, 4 deletions
diff --git a/target/arm/internals.h b/target/arm/internals.h index 5a02f458f3..232d963875 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -529,11 +529,15 @@ vaddr arm_adjust_watchpoint_address(CPUState *cs, vaddr addr, int len); /* Callback function for when a watchpoint or breakpoint triggers. */ void arm_debug_excp_handler(CPUState *cs); -#ifdef CONFIG_USER_ONLY +#if defined(CONFIG_USER_ONLY) || !defined(CONFIG_TCG) static inline bool arm_is_psci_call(ARMCPU *cpu, int excp_type) { return false; } +static inline void arm_handle_psci_call(ARMCPU *cpu) +{ + g_assert_not_reached(); +} #else /* Return true if the r0/x0 value indicates that this SMC/HVC is a PSCI call. */ bool arm_is_psci_call(ARMCPU *cpu, int excp_type); @@ -765,9 +769,6 @@ bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size, MMUAccessType access_type, int mmu_idx, bool probe, uintptr_t retaddr); -void arm_deliver_fault(ARMCPU *cpu, vaddr addr, MMUAccessType access_type, - int mmu_idx, ARMMMUFaultInfo *fi) QEMU_NORETURN; - /* Return true if the stage 1 translation regime is using LPAE format page * tables */ bool arm_s1_regime_using_lpae_format(CPUARMState *env, ARMMMUIdx mmu_idx); @@ -892,6 +893,27 @@ static inline uint32_t v7m_sp_limit(CPUARMState *env) } /** + * v7m_cpacr_pass: + * Return true if the v7M CPACR permits access to the FPU for the specified + * security state and privilege level. + */ +static inline bool v7m_cpacr_pass(CPUARMState *env, + bool is_secure, bool is_priv) +{ + switch (extract32(env->v7m.cpacr[is_secure], 20, 2)) { + case 0: + case 2: /* UNPREDICTABLE: we treat like 0 */ + return false; + case 1: + return is_priv; + case 3: + return true; + default: + g_assert_not_reached(); + } +} + +/** * aarch32_mode_name(): Return name of the AArch32 CPU mode * @psr: Program Status Register indicating CPU mode * @@ -985,4 +1007,43 @@ static inline int exception_target_el(CPUARMState *env) return target_el; } +#ifndef CONFIG_USER_ONLY + +/* Security attributes for an address, as returned by v8m_security_lookup. */ +typedef struct V8M_SAttributes { + bool subpage; /* true if these attrs don't cover the whole TARGET_PAGE */ + bool ns; + bool nsc; + uint8_t sregion; + bool srvalid; + uint8_t iregion; + bool irvalid; +} V8M_SAttributes; + +void v8m_security_lookup(CPUARMState *env, uint32_t address, + MMUAccessType access_type, ARMMMUIdx mmu_idx, + V8M_SAttributes *sattrs); + +bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address, + MMUAccessType access_type, ARMMMUIdx mmu_idx, + hwaddr *phys_ptr, MemTxAttrs *txattrs, + int *prot, bool *is_subpage, + ARMMMUFaultInfo *fi, uint32_t *mregion); + +/* Cacheability and shareability attributes for a memory access */ +typedef struct ARMCacheAttrs { + unsigned int attrs:8; /* as in the MAIR register encoding */ + unsigned int shareability:2; /* as in the SH field of the VMSAv8-64 PTEs */ +} ARMCacheAttrs; + +bool get_phys_addr(CPUARMState *env, target_ulong address, + MMUAccessType access_type, ARMMMUIdx mmu_idx, + hwaddr *phys_ptr, MemTxAttrs *attrs, int *prot, + target_ulong *page_size, + ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs); + +void arm_log_exception(int idx); + +#endif /* !CONFIG_USER_ONLY */ + #endif |