qemu/target/ppc/mmu-book3s-v3.h
Cédric Le Goater 4a7518e0fd target/ppc: add basic support for PTCR on POWER9
The Partition Table Control Register (PTCR) is a hypervisor privileged
SPR. It contains the host real address of the Partition Table and its
size.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-05-04 09:56:27 +10:00

62 lines
1.7 KiB
C

/*
* 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_H
#define MMU_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 PATBE1_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);
}
static inline bool ppc64_radix_guest(PowerPCCPU *cpu)
{
PPCVirtualHypervisorClass *vhc =
PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp);
return !!(vhc->get_patbe(cpu->vhyp) & PATBE1_GR);
}
int ppc64_v3_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx,
int mmu_idx);
#endif /* TARGET_PPC64 */
#endif /* CONFIG_USER_ONLY */
#endif /* MMU_H */