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/*
* PowerPC ISAV3 BookS emulation generic mmu definitions for qemu.
*
* Copyright (c) 2017 Suraj Jitindar Singh, IBM Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MMU_BOOOK3S_V3_H
#define MMU_BOOOK3S_V3_H
#ifndef CONFIG_USER_ONLY
/*
* Partition table definitions
*/
#define PTCR_PATB 0x0FFFFFFFFFFFF000ULL /* Partition Table Base */
#define PTCR_PATS 0x000000000000001FULL /* Partition Table Size */
/* Partition Table Entry Fields */
#define PATE0_HR 0x8000000000000000
/*
* WARNING: This field doesn't actually exist in the final version of
* the architecture and is unused by hardware. However, qemu uses it
* as an indication of a radix guest in the pseudo-PATB entry that it
* maintains for SPAPR guests and in the migration stream, so we need
* to keep it around
*/
#define PATE1_GR 0x8000000000000000
/* Process Table Entry */
struct prtb_entry {
uint64_t prtbe0, prtbe1;
};
#ifdef TARGET_PPC64
static inline bool ppc64_use_proc_tbl(PowerPCCPU *cpu)
{
return !!(cpu->env.spr[SPR_LPCR] & LPCR_UPRT);
}
/*
* The LPCR:HR bit is a shortcut that avoids having to
* dig out the partition table in the fast path. This is
* also how the HW uses it.
*/
static inline bool ppc64_v3_radix(PowerPCCPU *cpu)
{
return !!(cpu->env.spr[SPR_LPCR] & LPCR_HR);
}
hwaddr ppc64_v3_get_phys_page_debug(PowerPCCPU *cpu, vaddr eaddr);
int ppc64_v3_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx,
int mmu_idx);
#endif /* TARGET_PPC64 */
#endif /* CONFIG_USER_ONLY */
#endif /* MMU_BOOOK3S_V3_H */
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