static int get_phys_addr_v5(CPUARMState *env, uint32_t address, int access_type, ARMMMUIdx mmu_idx, hwaddr *phys_ptr, int *prot, target_ulong *page_size) { CPUState *cs = CPU(arm_env_get_cpu(env)); int code; uint32_t table; uint32_t desc; int type; int ap; int domain = 0; int domain_prot; hwaddr phys_addr; uint32_t dacr; /* Pagetable walk. */ /* Lookup l1 descriptor. */ if (!get_level1_table_address(env, mmu_idx, &table, address)) { /* Section translation fault if page walk is disabled by PD0 or PD1 */ code = 5; goto do_fault; } desc = ldl_phys(cs->as, table); type = (desc & 3); domain = (desc >> 5) & 0x0f; if (regime_el(env, mmu_idx) == 1) { dacr = env->cp15.dacr_ns; } else { dacr = env->cp15.dacr_s; } domain_prot = (dacr >> (domain * 2)) & 3; if (type == 0) { /* Section translation fault. */ code = 5; goto do_fault; } if (domain_prot == 0 || domain_prot == 2) { if (type == 2) code = 9; /* Section domain fault. */ else code = 11; /* Page domain fault. */ goto do_fault; } if (type == 2) { /* 1Mb section. */ phys_addr = (desc & 0xfff00000) | (address & 0x000fffff); ap = (desc >> 10) & 3; code = 13; *page_size = 1024 * 1024; } else { /* Lookup l2 entry. */ if (type == 1) { /* Coarse pagetable. */ table = (desc & 0xfffffc00) | ((address >> 10) & 0x3fc); } else { /* Fine pagetable. */ table = (desc & 0xfffff000) | ((address >> 8) & 0xffc); } desc = ldl_phys(cs->as, table); switch (desc & 3) { case 0: /* Page translation fault. */ code = 7; goto do_fault; case 1: /* 64k page. */ phys_addr = (desc & 0xffff0000) | (address & 0xffff); ap = (desc >> (4 + ((address >> 13) & 6))) & 3; *page_size = 0x10000; break; case 2: /* 4k page. */ phys_addr = (desc & 0xfffff000) | (address & 0xfff); ap = (desc >> (4 + ((address >> 9) & 6))) & 3; *page_size = 0x1000; break; case 3: /* 1k page. */ if (type == 1) { if (arm_feature(env, ARM_FEATURE_XSCALE)) { phys_addr = (desc & 0xfffff000) | (address & 0xfff); } else { /* Page translation fault. */ code = 7; goto do_fault; } } else { phys_addr = (desc & 0xfffffc00) | (address & 0x3ff); } ap = (desc >> 4) & 3; *page_size = 0x400; break; default: /* Never happens, but compiler isn't smart enough to tell. */ abort(); } code = 15; } *prot = check_ap(env, mmu_idx, ap, domain_prot, access_type); if (!*prot) { /* Access permission fault. */ goto do_fault; } *prot |= PAGE_EXEC; *phys_ptr = phys_addr; return 0; do_fault: return code | (domain << 4); }