target/ppc/mmu-book3s-v3.h

   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 */