configure: fix --meson=/path/to/meson
[qemu.git] / target / ppc / mmu-book3s-v3.c
1 /*
2 * PowerPC ISAV3 BookS emulation generic mmu helpers 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 #include "qemu/osdep.h"
21 #include "cpu.h"
22 #include "mmu-hash64.h"
23 #include "mmu-book3s-v3.h"
24 #include "mmu-radix64.h"
25
26 int ppc64_v3_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx,
27 int mmu_idx)
28 {
29 if (ppc64_v3_radix(cpu)) { /* Guest uses radix */
30 return ppc_radix64_handle_mmu_fault(cpu, eaddr, rwx, mmu_idx);
31 } else { /* Guest uses hash */
32 return ppc_hash64_handle_mmu_fault(cpu, eaddr, rwx, mmu_idx);
33 }
34 }
35
36 hwaddr ppc64_v3_get_phys_page_debug(PowerPCCPU *cpu, vaddr eaddr)
37 {
38 if (ppc64_v3_radix(cpu)) {
39 return ppc_radix64_get_phys_page_debug(cpu, eaddr);
40 } else {
41 return ppc_hash64_get_phys_page_debug(cpu, eaddr);
42 }
43 }
44
45 bool ppc64_v3_get_pate(PowerPCCPU *cpu, target_ulong lpid, ppc_v3_pate_t *entry)
46 {
47 uint64_t patb = cpu->env.spr[SPR_PTCR] & PTCR_PATB;
48 uint64_t pats = cpu->env.spr[SPR_PTCR] & PTCR_PATS;
49
50 /* Calculate number of entries */
51 pats = 1ull << (pats + 12 - 4);
52 if (pats <= lpid) {
53 return false;
54 }
55
56 /* Grab entry */
57 patb += 16 * lpid;
58 entry->dw0 = ldq_phys(CPU(cpu)->as, patb);
59 entry->dw1 = ldq_phys(CPU(cpu)->as, patb + 8);
60 return true;
61 }