projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| b2899495 SJS |
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 | ||
| d5fee0bb SJS |
28 | /* Process Table Entry */ |
| 29 | struct prtb_entry { | |
| 30 | uint64_t prtbe0, prtbe1; | |
| 31 | }; | |
| 32 | ||
| b2899495 SJS |
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 */ |