1 /* 2 * PowerPC ISAV3 BookS emulation generic mmu definitions for qemu. 3 * 4 * Copyright (c) 2017 Suraj Jitindar Singh, IBM Corporation 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef MMU_H 21 #define MMU_H 22 23 #ifndef CONFIG_USER_ONLY 24 25 /* Partition Table Entry Fields */ 26 #define PATBE1_GR 0x8000000000000000 27 28 /* Process Table Entry */ 29 struct prtb_entry { 30 uint64_t prtbe0, prtbe1; 31 }; 32 33 #ifdef TARGET_PPC64 34 35 static inline bool ppc64_use_proc_tbl(PowerPCCPU *cpu) 36 { 37 return !!(cpu->env.spr[SPR_LPCR] & LPCR_UPRT); 38 } 39 40 static inline bool ppc64_radix_guest(PowerPCCPU *cpu) 41 { 42 PPCVirtualHypervisorClass *vhc = 43 PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp); 44 45 return !!(vhc->get_patbe(cpu->vhyp) & PATBE1_GR); 46 } 47 48 int ppc64_v3_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx, 49 int mmu_idx); 50 51 #endif /* TARGET_PPC64 */ 52 53 #endif /* CONFIG_USER_ONLY */ 54 55 #endif /* MMU_H */ 56