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/*
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* sparc helpers
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*
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* Copyright (c) 2003-2005 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <inttypes.h> |
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|
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#include "cpu.h" |
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#include "qemu-common.h" |
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|
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//#define DEBUG_MMU
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//#define DEBUG_FEATURES
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|
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#ifdef DEBUG_MMU
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#define DPRINTF_MMU(fmt, ...) \
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do { printf("MMU: " fmt , ## __VA_ARGS__); } while (0) |
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#else
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#define DPRINTF_MMU(fmt, ...) do {} while (0) |
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#endif
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|
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static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model); |
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/* Sparc MMU emulation */
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#if defined(CONFIG_USER_ONLY)
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int cpu_sparc_handle_mmu_fault(CPUState *env1, target_ulong address, int rw, |
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int mmu_idx, int is_softmmu) |
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{ |
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if (rw & 2) |
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env1->exception_index = TT_TFAULT; |
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else
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env1->exception_index = TT_DFAULT; |
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return 1; |
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} |
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|
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#else
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#ifndef TARGET_SPARC64
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/*
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* Sparc V8 Reference MMU (SRMMU)
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*/
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static const int access_table[8][8] = { |
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{ 0, 0, 0, 0, 8, 0, 12, 12 }, |
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{ 0, 0, 0, 0, 8, 0, 0, 0 }, |
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{ 8, 8, 0, 0, 0, 8, 12, 12 }, |
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{ 8, 8, 0, 0, 0, 8, 0, 0 }, |
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{ 8, 0, 8, 0, 8, 8, 12, 12 }, |
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{ 8, 0, 8, 0, 8, 0, 8, 0 }, |
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{ 8, 8, 8, 0, 8, 8, 12, 12 }, |
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{ 8, 8, 8, 0, 8, 8, 8, 0 } |
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}; |
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|
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static const int perm_table[2][8] = { |
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{ |
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PAGE_READ, |
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PAGE_READ | PAGE_WRITE, |
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PAGE_READ | PAGE_EXEC, |
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PAGE_READ | PAGE_WRITE | PAGE_EXEC, |
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PAGE_EXEC, |
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PAGE_READ | PAGE_WRITE, |
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PAGE_READ | PAGE_EXEC, |
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PAGE_READ | PAGE_WRITE | PAGE_EXEC |
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}, |
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{ |
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PAGE_READ, |
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PAGE_READ | PAGE_WRITE, |
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PAGE_READ | PAGE_EXEC, |
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PAGE_READ | PAGE_WRITE | PAGE_EXEC, |
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PAGE_EXEC, |
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PAGE_READ, |
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0,
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0,
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} |
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}; |
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|
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static int get_physical_address(CPUState *env, target_phys_addr_t *physical, |
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int *prot, int *access_index, |
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target_ulong address, int rw, int mmu_idx, |
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target_ulong *page_size) |
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{ |
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int access_perms = 0; |
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target_phys_addr_t pde_ptr; |
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uint32_t pde; |
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int error_code = 0, is_dirty, is_user; |
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unsigned long page_offset; |
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|
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is_user = mmu_idx == MMU_USER_IDX; |
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|
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if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */ |
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*page_size = TARGET_PAGE_SIZE; |
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// Boot mode: instruction fetches are taken from PROM
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if (rw == 2 && (env->mmuregs[0] & env->def->mmu_bm)) { |
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*physical = env->prom_addr | (address & 0x7ffffULL);
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*prot = PAGE_READ | PAGE_EXEC; |
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return 0; |
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} |
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*physical = address; |
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*prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; |
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return 0; |
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} |
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|
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*access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1); |
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*physical = 0xffffffffffff0000ULL;
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|
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/* SPARC reference MMU table walk: Context table->L1->L2->PTE */
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/* Context base + context number */
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pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2); |
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pde = ldl_phys(pde_ptr); |
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|
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/* Ctx pde */
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switch (pde & PTE_ENTRYTYPE_MASK) {
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default:
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case 0: /* Invalid */ |
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return 1 << 2; |
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case 2: /* L0 PTE, maybe should not happen? */ |
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case 3: /* Reserved */ |
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return 4 << 2; |
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case 1: /* L0 PDE */ |
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pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4); |
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pde = ldl_phys(pde_ptr); |
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switch (pde & PTE_ENTRYTYPE_MASK) {
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default:
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case 0: /* Invalid */ |
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return (1 << 8) | (1 << 2); |
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case 3: /* Reserved */ |
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return (1 << 8) | (4 << 2); |
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case 1: /* L1 PDE */ |
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pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4); |
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pde = ldl_phys(pde_ptr); |
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switch (pde & PTE_ENTRYTYPE_MASK) {
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default:
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case 0: /* Invalid */ |
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return (2 << 8) | (1 << 2); |
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case 3: /* Reserved */ |
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return (2 << 8) | (4 << 2); |
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case 1: /* L2 PDE */ |
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pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4); |
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pde = ldl_phys(pde_ptr); |
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switch (pde & PTE_ENTRYTYPE_MASK) {
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default:
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case 0: /* Invalid */ |
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return (3 << 8) | (1 << 2); |
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case 1: /* PDE, should not happen */ |
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case 3: /* Reserved */ |
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return (3 << 8) | (4 << 2); |
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case 2: /* L3 PTE */ |
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page_offset = (address & TARGET_PAGE_MASK) & |
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(TARGET_PAGE_SIZE - 1);
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} |
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*page_size = TARGET_PAGE_SIZE; |
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break;
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case 2: /* L2 PTE */ |
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page_offset = address & 0x3ffff;
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*page_size = 0x40000;
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} |
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break;
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case 2: /* L1 PTE */ |
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page_offset = address & 0xffffff;
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*page_size = 0x1000000;
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} |
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} |
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/* check access */
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access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT; |
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error_code = access_table[*access_index][access_perms]; |
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if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user)) |
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return error_code;
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/* update page modified and dirty bits */
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is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK);
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if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
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pde |= PG_ACCESSED_MASK; |
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if (is_dirty)
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pde |= PG_MODIFIED_MASK; |
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stl_phys_notdirty(pde_ptr, pde); |
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} |
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/* the page can be put in the TLB */
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*prot = perm_table[is_user][access_perms]; |
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if (!(pde & PG_MODIFIED_MASK)) {
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/* only set write access if already dirty... otherwise wait
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for dirty access */
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*prot &= ~PAGE_WRITE; |
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} |
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/* Even if large ptes, we map only one 4KB page in the cache to
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avoid filling it too fast */
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*physical = ((target_phys_addr_t)(pde & PTE_ADDR_MASK) << 4) + page_offset;
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return error_code;
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} |
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/* Perform address translation */
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int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
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int mmu_idx, int is_softmmu) |
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{ |
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target_phys_addr_t paddr; |
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target_ulong vaddr; |
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target_ulong page_size; |
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int error_code = 0, prot, access_index; |
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error_code = get_physical_address(env, &paddr, &prot, &access_index, |
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address, rw, mmu_idx, &page_size); |
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if (error_code == 0) { |
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vaddr = address & TARGET_PAGE_MASK; |
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paddr &= TARGET_PAGE_MASK; |
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#ifdef DEBUG_MMU
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printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr " |
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TARGET_FMT_lx "\n", address, paddr, vaddr);
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#endif
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tlb_set_page(env, vaddr, paddr, prot, mmu_idx, page_size); |
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return 0; |
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} |
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|
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if (env->mmuregs[3]) /* Fault status register */ |
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env->mmuregs[3] = 1; /* overflow (not read before another fault) */ |
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env->mmuregs[3] |= (access_index << 5) | error_code | 2; |
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env->mmuregs[4] = address; /* Fault address register */ |
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|
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if ((env->mmuregs[0] & MMU_NF) || env->psret == 0) { |
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// No fault mode: if a mapping is available, just override
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// permissions. If no mapping is available, redirect accesses to
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// neverland. Fake/overridden mappings will be flushed when
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// switching to normal mode.
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vaddr = address & TARGET_PAGE_MASK; |
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prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; |
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tlb_set_page(env, vaddr, paddr, prot, mmu_idx, TARGET_PAGE_SIZE); |
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return 0; |
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} else {
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if (rw & 2) |
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env->exception_index = TT_TFAULT; |
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else
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env->exception_index = TT_DFAULT; |
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return 1; |
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} |
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} |
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|
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target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev)
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{ |
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target_phys_addr_t pde_ptr; |
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uint32_t pde; |
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|
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/* Context base + context number */
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pde_ptr = (target_phys_addr_t)(env->mmuregs[1] << 4) + |
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(env->mmuregs[2] << 2); |
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pde = ldl_phys(pde_ptr); |
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|
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switch (pde & PTE_ENTRYTYPE_MASK) {
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default:
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case 0: /* Invalid */ |
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case 2: /* PTE, maybe should not happen? */ |
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case 3: /* Reserved */ |
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return 0; |
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case 1: /* L1 PDE */ |
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if (mmulev == 3) |
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return pde;
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pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4); |
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pde = ldl_phys(pde_ptr); |
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|
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switch (pde & PTE_ENTRYTYPE_MASK) {
|
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default:
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case 0: /* Invalid */ |
283 |
case 3: /* Reserved */ |
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return 0; |
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case 2: /* L1 PTE */ |
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return pde;
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case 1: /* L2 PDE */ |
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if (mmulev == 2) |
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return pde;
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pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4); |
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pde = ldl_phys(pde_ptr); |
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|
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switch (pde & PTE_ENTRYTYPE_MASK) {
|
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default:
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case 0: /* Invalid */ |
296 |
case 3: /* Reserved */ |
297 |
return 0; |
298 |
case 2: /* L2 PTE */ |
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return pde;
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case 1: /* L3 PDE */ |
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if (mmulev == 1) |
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return pde;
|
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pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4); |
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pde = ldl_phys(pde_ptr); |
305 |
|
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switch (pde & PTE_ENTRYTYPE_MASK) {
|
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default:
|
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case 0: /* Invalid */ |
309 |
case 1: /* PDE, should not happen */ |
310 |
case 3: /* Reserved */ |
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return 0; |
312 |
case 2: /* L3 PTE */ |
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return pde;
|
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} |
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} |
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} |
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} |
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return 0; |
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} |
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|
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void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUState *env)
|
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{ |
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target_ulong va, va1, va2; |
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unsigned int n, m, o; |
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target_phys_addr_t pde_ptr, pa; |
326 |
uint32_t pde; |
327 |
|
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pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2); |
329 |
pde = ldl_phys(pde_ptr); |
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(*cpu_fprintf)(f, "Root ptr: " TARGET_FMT_plx ", ctx: %d\n", |
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(target_phys_addr_t)env->mmuregs[1] << 4, env->mmuregs[2]); |
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for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) { |
333 |
pde = mmu_probe(env, va, 2);
|
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if (pde) {
|
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pa = cpu_get_phys_page_debug(env, va); |
336 |
(*cpu_fprintf)(f, "VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx |
337 |
" PDE: " TARGET_FMT_lx "\n", va, pa, pde); |
338 |
for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) { |
339 |
pde = mmu_probe(env, va1, 1);
|
340 |
if (pde) {
|
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pa = cpu_get_phys_page_debug(env, va1); |
342 |
(*cpu_fprintf)(f, " VA: " TARGET_FMT_lx ", PA: " |
343 |
TARGET_FMT_plx " PDE: " TARGET_FMT_lx "\n", |
344 |
va1, pa, pde); |
345 |
for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) { |
346 |
pde = mmu_probe(env, va2, 0);
|
347 |
if (pde) {
|
348 |
pa = cpu_get_phys_page_debug(env, va2); |
349 |
(*cpu_fprintf)(f, " VA: " TARGET_FMT_lx ", PA: " |
350 |
TARGET_FMT_plx " PTE: "
|
351 |
TARGET_FMT_lx "\n",
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352 |
va2, pa, pde); |
353 |
} |
354 |
} |
355 |
} |
356 |
} |
357 |
} |
358 |
} |
359 |
} |
360 |
|
361 |
#else /* !TARGET_SPARC64 */ |
362 |
|
363 |
// 41 bit physical address space
|
364 |
static inline target_phys_addr_t ultrasparc_truncate_physical(uint64_t x) |
365 |
{ |
366 |
return x & 0x1ffffffffffULL; |
367 |
} |
368 |
|
369 |
/*
|
370 |
* UltraSparc IIi I/DMMUs
|
371 |
*/
|
372 |
|
373 |
// Returns true if TTE tag is valid and matches virtual address value in context
|
374 |
// requires virtual address mask value calculated from TTE entry size
|
375 |
static inline int ultrasparc_tag_match(SparcTLBEntry *tlb, |
376 |
uint64_t address, uint64_t context, |
377 |
target_phys_addr_t *physical) |
378 |
{ |
379 |
uint64_t mask; |
380 |
|
381 |
switch (TTE_PGSIZE(tlb->tte)) {
|
382 |
default:
|
383 |
case 0x0: // 8k |
384 |
mask = 0xffffffffffffe000ULL;
|
385 |
break;
|
386 |
case 0x1: // 64k |
387 |
mask = 0xffffffffffff0000ULL;
|
388 |
break;
|
389 |
case 0x2: // 512k |
390 |
mask = 0xfffffffffff80000ULL;
|
391 |
break;
|
392 |
case 0x3: // 4M |
393 |
mask = 0xffffffffffc00000ULL;
|
394 |
break;
|
395 |
} |
396 |
|
397 |
// valid, context match, virtual address match?
|
398 |
if (TTE_IS_VALID(tlb->tte) &&
|
399 |
(TTE_IS_GLOBAL(tlb->tte) || tlb_compare_context(tlb, context)) |
400 |
&& compare_masked(address, tlb->tag, mask)) |
401 |
{ |
402 |
// decode physical address
|
403 |
*physical = ((tlb->tte & mask) | (address & ~mask)) & 0x1ffffffe000ULL;
|
404 |
return 1; |
405 |
} |
406 |
|
407 |
return 0; |
408 |
} |
409 |
|
410 |
static int get_physical_address_data(CPUState *env, |
411 |
target_phys_addr_t *physical, int *prot,
|
412 |
target_ulong address, int rw, int mmu_idx) |
413 |
{ |
414 |
unsigned int i; |
415 |
uint64_t context; |
416 |
uint64_t sfsr = 0;
|
417 |
|
418 |
int is_user = (mmu_idx == MMU_USER_IDX ||
|
419 |
mmu_idx == MMU_USER_SECONDARY_IDX); |
420 |
|
421 |
if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */ |
422 |
*physical = ultrasparc_truncate_physical(address); |
423 |
*prot = PAGE_READ | PAGE_WRITE; |
424 |
return 0; |
425 |
} |
426 |
|
427 |
switch(mmu_idx) {
|
428 |
case MMU_USER_IDX:
|
429 |
case MMU_KERNEL_IDX:
|
430 |
context = env->dmmu.mmu_primary_context & 0x1fff;
|
431 |
sfsr |= SFSR_CT_PRIMARY; |
432 |
break;
|
433 |
case MMU_USER_SECONDARY_IDX:
|
434 |
case MMU_KERNEL_SECONDARY_IDX:
|
435 |
context = env->dmmu.mmu_secondary_context & 0x1fff;
|
436 |
sfsr |= SFSR_CT_SECONDARY; |
437 |
break;
|
438 |
case MMU_NUCLEUS_IDX:
|
439 |
sfsr |= SFSR_CT_NUCLEUS; |
440 |
/* FALLTHRU */
|
441 |
default:
|
442 |
context = 0;
|
443 |
break;
|
444 |
} |
445 |
|
446 |
if (rw == 1) { |
447 |
sfsr |= SFSR_WRITE_BIT; |
448 |
} else if (rw == 4) { |
449 |
sfsr |= SFSR_NF_BIT; |
450 |
} |
451 |
|
452 |
for (i = 0; i < 64; i++) { |
453 |
// ctx match, vaddr match, valid?
|
454 |
if (ultrasparc_tag_match(&env->dtlb[i], address, context, physical)) {
|
455 |
int do_fault = 0; |
456 |
|
457 |
// access ok?
|
458 |
/* multiple bits in SFSR.FT may be set on TT_DFAULT */
|
459 |
if (TTE_IS_PRIV(env->dtlb[i].tte) && is_user) {
|
460 |
do_fault = 1;
|
461 |
sfsr |= SFSR_FT_PRIV_BIT; /* privilege violation */
|
462 |
|
463 |
DPRINTF_MMU("DFAULT at %" PRIx64 " context %" PRIx64 |
464 |
" mmu_idx=%d tl=%d\n",
|
465 |
address, context, mmu_idx, env->tl); |
466 |
} |
467 |
if (rw == 4) { |
468 |
if (TTE_IS_SIDEEFFECT(env->dtlb[i].tte)) {
|
469 |
do_fault = 1;
|
470 |
sfsr |= SFSR_FT_NF_E_BIT; |
471 |
} |
472 |
} else {
|
473 |
if (TTE_IS_NFO(env->dtlb[i].tte)) {
|
474 |
do_fault = 1;
|
475 |
sfsr |= SFSR_FT_NFO_BIT; |
476 |
} |
477 |
} |
478 |
|
479 |
if (do_fault) {
|
480 |
/* faults above are reported with TT_DFAULT. */
|
481 |
env->exception_index = TT_DFAULT; |
482 |
} else if (!TTE_IS_W_OK(env->dtlb[i].tte) && (rw == 1)) { |
483 |
do_fault = 1;
|
484 |
env->exception_index = TT_DPROT; |
485 |
|
486 |
DPRINTF_MMU("DPROT at %" PRIx64 " context %" PRIx64 |
487 |
" mmu_idx=%d tl=%d\n",
|
488 |
address, context, mmu_idx, env->tl); |
489 |
} |
490 |
|
491 |
if (!do_fault) {
|
492 |
*prot = PAGE_READ; |
493 |
if (TTE_IS_W_OK(env->dtlb[i].tte)) {
|
494 |
*prot |= PAGE_WRITE; |
495 |
} |
496 |
|
497 |
TTE_SET_USED(env->dtlb[i].tte); |
498 |
|
499 |
return 0; |
500 |
} |
501 |
|
502 |
if (env->dmmu.sfsr & SFSR_VALID_BIT) { /* Fault status register */ |
503 |
sfsr |= SFSR_OW_BIT; /* overflow (not read before
|
504 |
another fault) */
|
505 |
} |
506 |
|
507 |
if (env->pstate & PS_PRIV) {
|
508 |
sfsr |= SFSR_PR_BIT; |
509 |
} |
510 |
|
511 |
/* FIXME: ASI field in SFSR must be set */
|
512 |
env->dmmu.sfsr = sfsr | SFSR_VALID_BIT; |
513 |
|
514 |
env->dmmu.sfar = address; /* Fault address register */
|
515 |
|
516 |
env->dmmu.tag_access = (address & ~0x1fffULL) | context;
|
517 |
|
518 |
return 1; |
519 |
} |
520 |
} |
521 |
|
522 |
DPRINTF_MMU("DMISS at %" PRIx64 " context %" PRIx64 "\n", |
523 |
address, context); |
524 |
|
525 |
/*
|
526 |
* On MMU misses:
|
527 |
* - UltraSPARC IIi: SFSR and SFAR unmodified
|
528 |
* - JPS1: SFAR updated and some fields of SFSR updated
|
529 |
*/
|
530 |
env->dmmu.tag_access = (address & ~0x1fffULL) | context;
|
531 |
env->exception_index = TT_DMISS; |
532 |
return 1; |
533 |
} |
534 |
|
535 |
static int get_physical_address_code(CPUState *env, |
536 |
target_phys_addr_t *physical, int *prot,
|
537 |
target_ulong address, int mmu_idx)
|
538 |
{ |
539 |
unsigned int i; |
540 |
uint64_t context; |
541 |
|
542 |
int is_user = (mmu_idx == MMU_USER_IDX ||
|
543 |
mmu_idx == MMU_USER_SECONDARY_IDX); |
544 |
|
545 |
if ((env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0) { |
546 |
/* IMMU disabled */
|
547 |
*physical = ultrasparc_truncate_physical(address); |
548 |
*prot = PAGE_EXEC; |
549 |
return 0; |
550 |
} |
551 |
|
552 |
if (env->tl == 0) { |
553 |
/* PRIMARY context */
|
554 |
context = env->dmmu.mmu_primary_context & 0x1fff;
|
555 |
} else {
|
556 |
/* NUCLEUS context */
|
557 |
context = 0;
|
558 |
} |
559 |
|
560 |
for (i = 0; i < 64; i++) { |
561 |
// ctx match, vaddr match, valid?
|
562 |
if (ultrasparc_tag_match(&env->itlb[i],
|
563 |
address, context, physical)) { |
564 |
// access ok?
|
565 |
if (TTE_IS_PRIV(env->itlb[i].tte) && is_user) {
|
566 |
/* Fault status register */
|
567 |
if (env->immu.sfsr & SFSR_VALID_BIT) {
|
568 |
env->immu.sfsr = SFSR_OW_BIT; /* overflow (not read before
|
569 |
another fault) */
|
570 |
} else {
|
571 |
env->immu.sfsr = 0;
|
572 |
} |
573 |
if (env->pstate & PS_PRIV) {
|
574 |
env->immu.sfsr |= SFSR_PR_BIT; |
575 |
} |
576 |
if (env->tl > 0) { |
577 |
env->immu.sfsr |= SFSR_CT_NUCLEUS; |
578 |
} |
579 |
|
580 |
/* FIXME: ASI field in SFSR must be set */
|
581 |
env->immu.sfsr |= SFSR_FT_PRIV_BIT | SFSR_VALID_BIT; |
582 |
env->exception_index = TT_TFAULT; |
583 |
|
584 |
env->immu.tag_access = (address & ~0x1fffULL) | context;
|
585 |
|
586 |
DPRINTF_MMU("TFAULT at %" PRIx64 " context %" PRIx64 "\n", |
587 |
address, context); |
588 |
|
589 |
return 1; |
590 |
} |
591 |
*prot = PAGE_EXEC; |
592 |
TTE_SET_USED(env->itlb[i].tte); |
593 |
return 0; |
594 |
} |
595 |
} |
596 |
|
597 |
DPRINTF_MMU("TMISS at %" PRIx64 " context %" PRIx64 "\n", |
598 |
address, context); |
599 |
|
600 |
/* Context is stored in DMMU (dmmuregs[1]) also for IMMU */
|
601 |
env->immu.tag_access = (address & ~0x1fffULL) | context;
|
602 |
env->exception_index = TT_TMISS; |
603 |
return 1; |
604 |
} |
605 |
|
606 |
static int get_physical_address(CPUState *env, target_phys_addr_t *physical, |
607 |
int *prot, int *access_index, |
608 |
target_ulong address, int rw, int mmu_idx, |
609 |
target_ulong *page_size) |
610 |
{ |
611 |
/* ??? We treat everything as a small page, then explicitly flush
|
612 |
everything when an entry is evicted. */
|
613 |
*page_size = TARGET_PAGE_SIZE; |
614 |
|
615 |
#if defined (DEBUG_MMU)
|
616 |
/* safety net to catch wrong softmmu index use from dynamic code */
|
617 |
if (env->tl > 0 && mmu_idx != MMU_NUCLEUS_IDX) { |
618 |
DPRINTF_MMU("get_physical_address %s tl=%d mmu_idx=%d"
|
619 |
" primary context=%" PRIx64
|
620 |
" secondary context=%" PRIx64
|
621 |
" address=%" PRIx64
|
622 |
"\n",
|
623 |
(rw == 2 ? "CODE" : "DATA"), |
624 |
env->tl, mmu_idx, |
625 |
env->dmmu.mmu_primary_context, |
626 |
env->dmmu.mmu_secondary_context, |
627 |
address); |
628 |
} |
629 |
#endif
|
630 |
|
631 |
if (rw == 2) |
632 |
return get_physical_address_code(env, physical, prot, address,
|
633 |
mmu_idx); |
634 |
else
|
635 |
return get_physical_address_data(env, physical, prot, address, rw,
|
636 |
mmu_idx); |
637 |
} |
638 |
|
639 |
/* Perform address translation */
|
640 |
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
641 |
int mmu_idx, int is_softmmu) |
642 |
{ |
643 |
target_ulong virt_addr, vaddr; |
644 |
target_phys_addr_t paddr; |
645 |
target_ulong page_size; |
646 |
int error_code = 0, prot, access_index; |
647 |
|
648 |
error_code = get_physical_address(env, &paddr, &prot, &access_index, |
649 |
address, rw, mmu_idx, &page_size); |
650 |
if (error_code == 0) { |
651 |
virt_addr = address & TARGET_PAGE_MASK; |
652 |
vaddr = virt_addr + ((address & TARGET_PAGE_MASK) & |
653 |
(TARGET_PAGE_SIZE - 1));
|
654 |
|
655 |
DPRINTF_MMU("Translate at %" PRIx64 " -> %" PRIx64 "," |
656 |
" vaddr %" PRIx64
|
657 |
" mmu_idx=%d"
|
658 |
" tl=%d"
|
659 |
" primary context=%" PRIx64
|
660 |
" secondary context=%" PRIx64
|
661 |
"\n",
|
662 |
address, paddr, vaddr, mmu_idx, env->tl, |
663 |
env->dmmu.mmu_primary_context, |
664 |
env->dmmu.mmu_secondary_context); |
665 |
|
666 |
tlb_set_page(env, vaddr, paddr, prot, mmu_idx, page_size); |
667 |
return 0; |
668 |
} |
669 |
// XXX
|
670 |
return 1; |
671 |
} |
672 |
|
673 |
void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUState *env)
|
674 |
{ |
675 |
unsigned int i; |
676 |
const char *mask; |
677 |
|
678 |
(*cpu_fprintf)(f, "MMU contexts: Primary: %" PRId64 ", Secondary: %" |
679 |
PRId64 "\n",
|
680 |
env->dmmu.mmu_primary_context, |
681 |
env->dmmu.mmu_secondary_context); |
682 |
if ((env->lsu & DMMU_E) == 0) { |
683 |
(*cpu_fprintf)(f, "DMMU disabled\n");
|
684 |
} else {
|
685 |
(*cpu_fprintf)(f, "DMMU dump\n");
|
686 |
for (i = 0; i < 64; i++) { |
687 |
switch (TTE_PGSIZE(env->dtlb[i].tte)) {
|
688 |
default:
|
689 |
case 0x0: |
690 |
mask = " 8k";
|
691 |
break;
|
692 |
case 0x1: |
693 |
mask = " 64k";
|
694 |
break;
|
695 |
case 0x2: |
696 |
mask = "512k";
|
697 |
break;
|
698 |
case 0x3: |
699 |
mask = " 4M";
|
700 |
break;
|
701 |
} |
702 |
if (TTE_IS_VALID(env->dtlb[i].tte)) {
|
703 |
(*cpu_fprintf)(f, "[%02u] VA: %" PRIx64 ", PA: %" PRIx64 |
704 |
", %s, %s, %s, %s, ctx %" PRId64 " %s\n", |
705 |
i, |
706 |
env->dtlb[i].tag & (uint64_t)~0x1fffULL,
|
707 |
TTE_PA(env->dtlb[i].tte), |
708 |
mask, |
709 |
TTE_IS_PRIV(env->dtlb[i].tte) ? "priv" : "user", |
710 |
TTE_IS_W_OK(env->dtlb[i].tte) ? "RW" : "RO", |
711 |
TTE_IS_LOCKED(env->dtlb[i].tte) ? |
712 |
"locked" : "unlocked", |
713 |
env->dtlb[i].tag & (uint64_t)0x1fffULL,
|
714 |
TTE_IS_GLOBAL(env->dtlb[i].tte)? |
715 |
"global" : "local"); |
716 |
} |
717 |
} |
718 |
} |
719 |
if ((env->lsu & IMMU_E) == 0) { |
720 |
(*cpu_fprintf)(f, "IMMU disabled\n");
|
721 |
} else {
|
722 |
(*cpu_fprintf)(f, "IMMU dump\n");
|
723 |
for (i = 0; i < 64; i++) { |
724 |
switch (TTE_PGSIZE(env->itlb[i].tte)) {
|
725 |
default:
|
726 |
case 0x0: |
727 |
mask = " 8k";
|
728 |
break;
|
729 |
case 0x1: |
730 |
mask = " 64k";
|
731 |
break;
|
732 |
case 0x2: |
733 |
mask = "512k";
|
734 |
break;
|
735 |
case 0x3: |
736 |
mask = " 4M";
|
737 |
break;
|
738 |
} |
739 |
if (TTE_IS_VALID(env->itlb[i].tte)) {
|
740 |
(*cpu_fprintf)(f, "[%02u] VA: %" PRIx64 ", PA: %" PRIx64 |
741 |
", %s, %s, %s, ctx %" PRId64 " %s\n", |
742 |
i, |
743 |
env->itlb[i].tag & (uint64_t)~0x1fffULL,
|
744 |
TTE_PA(env->itlb[i].tte), |
745 |
mask, |
746 |
TTE_IS_PRIV(env->itlb[i].tte) ? "priv" : "user", |
747 |
TTE_IS_LOCKED(env->itlb[i].tte) ? |
748 |
"locked" : "unlocked", |
749 |
env->itlb[i].tag & (uint64_t)0x1fffULL,
|
750 |
TTE_IS_GLOBAL(env->itlb[i].tte)? |
751 |
"global" : "local"); |
752 |
} |
753 |
} |
754 |
} |
755 |
} |
756 |
|
757 |
#endif /* TARGET_SPARC64 */ |
758 |
#endif /* !CONFIG_USER_ONLY */ |
759 |
|
760 |
|
761 |
#if !defined(CONFIG_USER_ONLY)
|
762 |
static int cpu_sparc_get_phys_page(CPUState *env, target_phys_addr_t *phys, |
763 |
target_ulong addr, int rw, int mmu_idx) |
764 |
{ |
765 |
target_ulong page_size; |
766 |
int prot, access_index;
|
767 |
|
768 |
return get_physical_address(env, phys, &prot, &access_index, addr, rw,
|
769 |
mmu_idx, &page_size); |
770 |
} |
771 |
|
772 |
#if defined(TARGET_SPARC64)
|
773 |
target_phys_addr_t cpu_get_phys_page_nofault(CPUState *env, target_ulong addr, |
774 |
int mmu_idx)
|
775 |
{ |
776 |
target_phys_addr_t phys_addr; |
777 |
|
778 |
if (cpu_sparc_get_phys_page(env, &phys_addr, addr, 4, mmu_idx) != 0) { |
779 |
return -1; |
780 |
} |
781 |
return phys_addr;
|
782 |
} |
783 |
#endif
|
784 |
|
785 |
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
786 |
{ |
787 |
target_phys_addr_t phys_addr; |
788 |
int mmu_idx = cpu_mmu_index(env);
|
789 |
|
790 |
if (cpu_sparc_get_phys_page(env, &phys_addr, addr, 2, mmu_idx) != 0) { |
791 |
if (cpu_sparc_get_phys_page(env, &phys_addr, addr, 0, mmu_idx) != 0) { |
792 |
return -1; |
793 |
} |
794 |
} |
795 |
if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED) {
|
796 |
return -1; |
797 |
} |
798 |
return phys_addr;
|
799 |
} |
800 |
#endif
|
801 |
|
802 |
#ifdef TARGET_SPARC64
|
803 |
#ifdef DEBUG_PCALL
|
804 |
static const char * const excp_names[0x80] = { |
805 |
[TT_TFAULT] = "Instruction Access Fault",
|
806 |
[TT_TMISS] = "Instruction Access MMU Miss",
|
807 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
808 |
[TT_ILL_INSN] = "Illegal Instruction",
|
809 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
810 |
[TT_NFPU_INSN] = "FPU Disabled",
|
811 |
[TT_FP_EXCP] = "FPU Exception",
|
812 |
[TT_TOVF] = "Tag Overflow",
|
813 |
[TT_CLRWIN] = "Clean Windows",
|
814 |
[TT_DIV_ZERO] = "Division By Zero",
|
815 |
[TT_DFAULT] = "Data Access Fault",
|
816 |
[TT_DMISS] = "Data Access MMU Miss",
|
817 |
[TT_DATA_ACCESS] = "Data Access Error",
|
818 |
[TT_DPROT] = "Data Protection Error",
|
819 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
820 |
[TT_PRIV_ACT] = "Privileged Action",
|
821 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
822 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
823 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
824 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
825 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
826 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
827 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
828 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
829 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
830 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
831 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
832 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
833 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
834 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
835 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
836 |
}; |
837 |
#endif
|
838 |
|
839 |
void do_interrupt(CPUState *env)
|
840 |
{ |
841 |
int intno = env->exception_index;
|
842 |
trap_state *tsptr; |
843 |
|
844 |
#ifdef DEBUG_PCALL
|
845 |
if (qemu_loglevel_mask(CPU_LOG_INT)) {
|
846 |
static int count; |
847 |
const char *name; |
848 |
|
849 |
if (intno < 0 || intno >= 0x180) { |
850 |
name = "Unknown";
|
851 |
} else if (intno >= 0x100) { |
852 |
name = "Trap Instruction";
|
853 |
} else if (intno >= 0xc0) { |
854 |
name = "Window Fill";
|
855 |
} else if (intno >= 0x80) { |
856 |
name = "Window Spill";
|
857 |
} else {
|
858 |
name = excp_names[intno]; |
859 |
if (!name) {
|
860 |
name = "Unknown";
|
861 |
} |
862 |
} |
863 |
|
864 |
qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64 |
865 |
" SP=%016" PRIx64 "\n", |
866 |
count, name, intno, |
867 |
env->pc, |
868 |
env->npc, env->regwptr[6]);
|
869 |
log_cpu_state(env, 0);
|
870 |
#if 0
|
871 |
{
|
872 |
int i;
|
873 |
uint8_t *ptr;
|
874 |
|
875 |
qemu_log(" code=");
|
876 |
ptr = (uint8_t *)env->pc;
|
877 |
for (i = 0; i < 16; i++) {
|
878 |
qemu_log(" %02x", ldub(ptr + i));
|
879 |
}
|
880 |
qemu_log("\n");
|
881 |
}
|
882 |
#endif
|
883 |
count++; |
884 |
} |
885 |
#endif
|
886 |
#if !defined(CONFIG_USER_ONLY)
|
887 |
if (env->tl >= env->maxtl) {
|
888 |
cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
|
889 |
" Error state", env->exception_index, env->tl, env->maxtl);
|
890 |
return;
|
891 |
} |
892 |
#endif
|
893 |
if (env->tl < env->maxtl - 1) { |
894 |
env->tl++; |
895 |
} else {
|
896 |
env->pstate |= PS_RED; |
897 |
if (env->tl < env->maxtl) {
|
898 |
env->tl++; |
899 |
} |
900 |
} |
901 |
tsptr = cpu_tsptr(env); |
902 |
|
903 |
tsptr->tstate = (cpu_get_ccr(env) << 32) |
|
904 |
((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) | |
905 |
cpu_get_cwp64(env); |
906 |
tsptr->tpc = env->pc; |
907 |
tsptr->tnpc = env->npc; |
908 |
tsptr->tt = intno; |
909 |
|
910 |
switch (intno) {
|
911 |
case TT_IVEC:
|
912 |
cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_IG); |
913 |
break;
|
914 |
case TT_TFAULT:
|
915 |
case TT_DFAULT:
|
916 |
case TT_TMISS ... TT_TMISS + 3: |
917 |
case TT_DMISS ... TT_DMISS + 3: |
918 |
case TT_DPROT ... TT_DPROT + 3: |
919 |
cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_MG); |
920 |
break;
|
921 |
default:
|
922 |
cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_AG); |
923 |
break;
|
924 |
} |
925 |
|
926 |
if (intno == TT_CLRWIN) {
|
927 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
|
928 |
} else if ((intno & 0x1c0) == TT_SPILL) { |
929 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
|
930 |
} else if ((intno & 0x1c0) == TT_FILL) { |
931 |
cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
|
932 |
} |
933 |
env->tbr &= ~0x7fffULL;
|
934 |
env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); |
935 |
env->pc = env->tbr; |
936 |
env->npc = env->pc + 4;
|
937 |
env->exception_index = -1;
|
938 |
} |
939 |
#else
|
940 |
#ifdef DEBUG_PCALL
|
941 |
static const char * const excp_names[0x80] = { |
942 |
[TT_TFAULT] = "Instruction Access Fault",
|
943 |
[TT_ILL_INSN] = "Illegal Instruction",
|
944 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
945 |
[TT_NFPU_INSN] = "FPU Disabled",
|
946 |
[TT_WIN_OVF] = "Window Overflow",
|
947 |
[TT_WIN_UNF] = "Window Underflow",
|
948 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
949 |
[TT_FP_EXCP] = "FPU Exception",
|
950 |
[TT_DFAULT] = "Data Access Fault",
|
951 |
[TT_TOVF] = "Tag Overflow",
|
952 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
953 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
954 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
955 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
956 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
957 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
958 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
959 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
960 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
961 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
962 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
963 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
964 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
965 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
966 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
967 |
[TT_TOVF] = "Tag Overflow",
|
968 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
969 |
[TT_DATA_ACCESS] = "Data Access Error",
|
970 |
[TT_DIV_ZERO] = "Division By Zero",
|
971 |
[TT_NCP_INSN] = "Coprocessor Disabled",
|
972 |
}; |
973 |
#endif
|
974 |
|
975 |
void do_interrupt(CPUState *env)
|
976 |
{ |
977 |
int cwp, intno = env->exception_index;
|
978 |
|
979 |
#ifdef DEBUG_PCALL
|
980 |
if (qemu_loglevel_mask(CPU_LOG_INT)) {
|
981 |
static int count; |
982 |
const char *name; |
983 |
|
984 |
if (intno < 0 || intno >= 0x100) { |
985 |
name = "Unknown";
|
986 |
} else if (intno >= 0x80) { |
987 |
name = "Trap Instruction";
|
988 |
} else {
|
989 |
name = excp_names[intno]; |
990 |
if (!name) {
|
991 |
name = "Unknown";
|
992 |
} |
993 |
} |
994 |
|
995 |
qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
|
996 |
count, name, intno, |
997 |
env->pc, |
998 |
env->npc, env->regwptr[6]);
|
999 |
log_cpu_state(env, 0);
|
1000 |
#if 0
|
1001 |
{
|
1002 |
int i;
|
1003 |
uint8_t *ptr;
|
1004 |
|
1005 |
qemu_log(" code=");
|
1006 |
ptr = (uint8_t *)env->pc;
|
1007 |
for (i = 0; i < 16; i++) {
|
1008 |
qemu_log(" %02x", ldub(ptr + i));
|
1009 |
}
|
1010 |
qemu_log("\n");
|
1011 |
}
|
1012 |
#endif
|
1013 |
count++; |
1014 |
} |
1015 |
#endif
|
1016 |
#if !defined(CONFIG_USER_ONLY)
|
1017 |
if (env->psret == 0) { |
1018 |
cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
|
1019 |
env->exception_index); |
1020 |
return;
|
1021 |
} |
1022 |
#endif
|
1023 |
env->psret = 0;
|
1024 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
1025 |
cpu_set_cwp(env, cwp); |
1026 |
env->regwptr[9] = env->pc;
|
1027 |
env->regwptr[10] = env->npc;
|
1028 |
env->psrps = env->psrs; |
1029 |
env->psrs = 1;
|
1030 |
env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
|
1031 |
env->pc = env->tbr; |
1032 |
env->npc = env->pc + 4;
|
1033 |
env->exception_index = -1;
|
1034 |
|
1035 |
#if !defined(CONFIG_USER_ONLY)
|
1036 |
/* IRQ acknowledgment */
|
1037 |
if ((intno & ~15) == TT_EXTINT && env->qemu_irq_ack != NULL) { |
1038 |
env->qemu_irq_ack(env->irq_manager, intno); |
1039 |
} |
1040 |
#endif
|
1041 |
} |
1042 |
#endif
|
1043 |
|
1044 |
void cpu_reset(CPUSPARCState *env)
|
1045 |
{ |
1046 |
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
1047 |
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
1048 |
log_cpu_state(env, 0);
|
1049 |
} |
1050 |
|
1051 |
tlb_flush(env, 1);
|
1052 |
env->cwp = 0;
|
1053 |
#ifndef TARGET_SPARC64
|
1054 |
env->wim = 1;
|
1055 |
#endif
|
1056 |
env->regwptr = env->regbase + (env->cwp * 16);
|
1057 |
CC_OP = CC_OP_FLAGS; |
1058 |
#if defined(CONFIG_USER_ONLY)
|
1059 |
#ifdef TARGET_SPARC64
|
1060 |
env->cleanwin = env->nwindows - 2;
|
1061 |
env->cansave = env->nwindows - 2;
|
1062 |
env->pstate = PS_RMO | PS_PEF | PS_IE; |
1063 |
env->asi = 0x82; // Primary no-fault |
1064 |
#endif
|
1065 |
#else
|
1066 |
#if !defined(TARGET_SPARC64)
|
1067 |
env->psret = 0;
|
1068 |
env->psrs = 1;
|
1069 |
env->psrps = 1;
|
1070 |
#endif
|
1071 |
#ifdef TARGET_SPARC64
|
1072 |
env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG; |
1073 |
env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
|
1074 |
env->tl = env->maxtl; |
1075 |
cpu_tsptr(env)->tt = TT_POWER_ON_RESET; |
1076 |
env->lsu = 0;
|
1077 |
#else
|
1078 |
env->mmuregs[0] &= ~(MMU_E | MMU_NF);
|
1079 |
env->mmuregs[0] |= env->def->mmu_bm;
|
1080 |
#endif
|
1081 |
env->pc = 0;
|
1082 |
env->npc = env->pc + 4;
|
1083 |
#endif
|
1084 |
env->cache_control = 0;
|
1085 |
} |
1086 |
|
1087 |
static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model) |
1088 |
{ |
1089 |
sparc_def_t def1, *def = &def1; |
1090 |
|
1091 |
if (cpu_sparc_find_by_name(def, cpu_model) < 0) |
1092 |
return -1; |
1093 |
|
1094 |
env->def = qemu_mallocz(sizeof(*def));
|
1095 |
memcpy(env->def, def, sizeof(*def));
|
1096 |
#if defined(CONFIG_USER_ONLY)
|
1097 |
if ((env->def->features & CPU_FEATURE_FLOAT))
|
1098 |
env->def->features |= CPU_FEATURE_FLOAT128; |
1099 |
#endif
|
1100 |
env->cpu_model_str = cpu_model; |
1101 |
env->version = def->iu_version; |
1102 |
env->fsr = def->fpu_version; |
1103 |
env->nwindows = def->nwindows; |
1104 |
#if !defined(TARGET_SPARC64)
|
1105 |
env->mmuregs[0] |= def->mmu_version;
|
1106 |
cpu_sparc_set_id(env, 0);
|
1107 |
env->mxccregs[7] |= def->mxcc_version;
|
1108 |
#else
|
1109 |
env->mmu_version = def->mmu_version; |
1110 |
env->maxtl = def->maxtl; |
1111 |
env->version |= def->maxtl << 8;
|
1112 |
env->version |= def->nwindows - 1;
|
1113 |
#endif
|
1114 |
return 0; |
1115 |
} |
1116 |
|
1117 |
static void cpu_sparc_close(CPUSPARCState *env) |
1118 |
{ |
1119 |
free(env->def); |
1120 |
free(env); |
1121 |
} |
1122 |
|
1123 |
CPUSPARCState *cpu_sparc_init(const char *cpu_model) |
1124 |
{ |
1125 |
CPUSPARCState *env; |
1126 |
|
1127 |
env = qemu_mallocz(sizeof(CPUSPARCState));
|
1128 |
cpu_exec_init(env); |
1129 |
|
1130 |
gen_intermediate_code_init(env); |
1131 |
|
1132 |
if (cpu_sparc_register(env, cpu_model) < 0) { |
1133 |
cpu_sparc_close(env); |
1134 |
return NULL; |
1135 |
} |
1136 |
qemu_init_vcpu(env); |
1137 |
|
1138 |
return env;
|
1139 |
} |
1140 |
|
1141 |
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu) |
1142 |
{ |
1143 |
#if !defined(TARGET_SPARC64)
|
1144 |
env->mxccregs[7] = ((cpu + 8) & 0xf) << 24; |
1145 |
#endif
|
1146 |
} |
1147 |
|
1148 |
static const sparc_def_t sparc_defs[] = { |
1149 |
#ifdef TARGET_SPARC64
|
1150 |
{ |
1151 |
.name = "Fujitsu Sparc64",
|
1152 |
.iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)), |
1153 |
.fpu_version = 0x00000000,
|
1154 |
.mmu_version = mmu_us_12, |
1155 |
.nwindows = 4,
|
1156 |
.maxtl = 4,
|
1157 |
.features = CPU_DEFAULT_FEATURES, |
1158 |
}, |
1159 |
{ |
1160 |
.name = "Fujitsu Sparc64 III",
|
1161 |
.iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)), |
1162 |
.fpu_version = 0x00000000,
|
1163 |
.mmu_version = mmu_us_12, |
1164 |
.nwindows = 5,
|
1165 |
.maxtl = 4,
|
1166 |
.features = CPU_DEFAULT_FEATURES, |
1167 |
}, |
1168 |
{ |
1169 |
.name = "Fujitsu Sparc64 IV",
|
1170 |
.iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)), |
1171 |
.fpu_version = 0x00000000,
|
1172 |
.mmu_version = mmu_us_12, |
1173 |
.nwindows = 8,
|
1174 |
.maxtl = 5,
|
1175 |
.features = CPU_DEFAULT_FEATURES, |
1176 |
}, |
1177 |
{ |
1178 |
.name = "Fujitsu Sparc64 V",
|
1179 |
.iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)), |
1180 |
.fpu_version = 0x00000000,
|
1181 |
.mmu_version = mmu_us_12, |
1182 |
.nwindows = 8,
|
1183 |
.maxtl = 5,
|
1184 |
.features = CPU_DEFAULT_FEATURES, |
1185 |
}, |
1186 |
{ |
1187 |
.name = "TI UltraSparc I",
|
1188 |
.iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), |
1189 |
.fpu_version = 0x00000000,
|
1190 |
.mmu_version = mmu_us_12, |
1191 |
.nwindows = 8,
|
1192 |
.maxtl = 5,
|
1193 |
.features = CPU_DEFAULT_FEATURES, |
1194 |
}, |
1195 |
{ |
1196 |
.name = "TI UltraSparc II",
|
1197 |
.iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)), |
1198 |
.fpu_version = 0x00000000,
|
1199 |
.mmu_version = mmu_us_12, |
1200 |
.nwindows = 8,
|
1201 |
.maxtl = 5,
|
1202 |
.features = CPU_DEFAULT_FEATURES, |
1203 |
}, |
1204 |
{ |
1205 |
.name = "TI UltraSparc IIi",
|
1206 |
.iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)), |
1207 |
.fpu_version = 0x00000000,
|
1208 |
.mmu_version = mmu_us_12, |
1209 |
.nwindows = 8,
|
1210 |
.maxtl = 5,
|
1211 |
.features = CPU_DEFAULT_FEATURES, |
1212 |
}, |
1213 |
{ |
1214 |
.name = "TI UltraSparc IIe",
|
1215 |
.iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)), |
1216 |
.fpu_version = 0x00000000,
|
1217 |
.mmu_version = mmu_us_12, |
1218 |
.nwindows = 8,
|
1219 |
.maxtl = 5,
|
1220 |
.features = CPU_DEFAULT_FEATURES, |
1221 |
}, |
1222 |
{ |
1223 |
.name = "Sun UltraSparc III",
|
1224 |
.iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)), |
1225 |
.fpu_version = 0x00000000,
|
1226 |
.mmu_version = mmu_us_12, |
1227 |
.nwindows = 8,
|
1228 |
.maxtl = 5,
|
1229 |
.features = CPU_DEFAULT_FEATURES, |
1230 |
}, |
1231 |
{ |
1232 |
.name = "Sun UltraSparc III Cu",
|
1233 |
.iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)), |
1234 |
.fpu_version = 0x00000000,
|
1235 |
.mmu_version = mmu_us_3, |
1236 |
.nwindows = 8,
|
1237 |
.maxtl = 5,
|
1238 |
.features = CPU_DEFAULT_FEATURES, |
1239 |
}, |
1240 |
{ |
1241 |
.name = "Sun UltraSparc IIIi",
|
1242 |
.iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)), |
1243 |
.fpu_version = 0x00000000,
|
1244 |
.mmu_version = mmu_us_12, |
1245 |
.nwindows = 8,
|
1246 |
.maxtl = 5,
|
1247 |
.features = CPU_DEFAULT_FEATURES, |
1248 |
}, |
1249 |
{ |
1250 |
.name = "Sun UltraSparc IV",
|
1251 |
.iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)), |
1252 |
.fpu_version = 0x00000000,
|
1253 |
.mmu_version = mmu_us_4, |
1254 |
.nwindows = 8,
|
1255 |
.maxtl = 5,
|
1256 |
.features = CPU_DEFAULT_FEATURES, |
1257 |
}, |
1258 |
{ |
1259 |
.name = "Sun UltraSparc IV+",
|
1260 |
.iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)), |
1261 |
.fpu_version = 0x00000000,
|
1262 |
.mmu_version = mmu_us_12, |
1263 |
.nwindows = 8,
|
1264 |
.maxtl = 5,
|
1265 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT, |
1266 |
}, |
1267 |
{ |
1268 |
.name = "Sun UltraSparc IIIi+",
|
1269 |
.iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)), |
1270 |
.fpu_version = 0x00000000,
|
1271 |
.mmu_version = mmu_us_3, |
1272 |
.nwindows = 8,
|
1273 |
.maxtl = 5,
|
1274 |
.features = CPU_DEFAULT_FEATURES, |
1275 |
}, |
1276 |
{ |
1277 |
.name = "Sun UltraSparc T1",
|
1278 |
// defined in sparc_ifu_fdp.v and ctu.h
|
1279 |
.iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)), |
1280 |
.fpu_version = 0x00000000,
|
1281 |
.mmu_version = mmu_sun4v, |
1282 |
.nwindows = 8,
|
1283 |
.maxtl = 6,
|
1284 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT |
1285 |
| CPU_FEATURE_GL, |
1286 |
}, |
1287 |
{ |
1288 |
.name = "Sun UltraSparc T2",
|
1289 |
// defined in tlu_asi_ctl.v and n2_revid_cust.v
|
1290 |
.iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)), |
1291 |
.fpu_version = 0x00000000,
|
1292 |
.mmu_version = mmu_sun4v, |
1293 |
.nwindows = 8,
|
1294 |
.maxtl = 6,
|
1295 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT |
1296 |
| CPU_FEATURE_GL, |
1297 |
}, |
1298 |
{ |
1299 |
.name = "NEC UltraSparc I",
|
1300 |
.iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), |
1301 |
.fpu_version = 0x00000000,
|
1302 |
.mmu_version = mmu_us_12, |
1303 |
.nwindows = 8,
|
1304 |
.maxtl = 5,
|
1305 |
.features = CPU_DEFAULT_FEATURES, |
1306 |
}, |
1307 |
#else
|
1308 |
{ |
1309 |
.name = "Fujitsu MB86900",
|
1310 |
.iu_version = 0x00 << 24, /* Impl 0, ver 0 */ |
1311 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
1312 |
.mmu_version = 0x00 << 24, /* Impl 0, ver 0 */ |
1313 |
.mmu_bm = 0x00004000,
|
1314 |
.mmu_ctpr_mask = 0x007ffff0,
|
1315 |
.mmu_cxr_mask = 0x0000003f,
|
1316 |
.mmu_sfsr_mask = 0xffffffff,
|
1317 |
.mmu_trcr_mask = 0xffffffff,
|
1318 |
.nwindows = 7,
|
1319 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD, |
1320 |
}, |
1321 |
{ |
1322 |
.name = "Fujitsu MB86904",
|
1323 |
.iu_version = 0x04 << 24, /* Impl 0, ver 4 */ |
1324 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
1325 |
.mmu_version = 0x04 << 24, /* Impl 0, ver 4 */ |
1326 |
.mmu_bm = 0x00004000,
|
1327 |
.mmu_ctpr_mask = 0x00ffffc0,
|
1328 |
.mmu_cxr_mask = 0x000000ff,
|
1329 |
.mmu_sfsr_mask = 0x00016fff,
|
1330 |
.mmu_trcr_mask = 0x00ffffff,
|
1331 |
.nwindows = 8,
|
1332 |
.features = CPU_DEFAULT_FEATURES, |
1333 |
}, |
1334 |
{ |
1335 |
.name = "Fujitsu MB86907",
|
1336 |
.iu_version = 0x05 << 24, /* Impl 0, ver 5 */ |
1337 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
1338 |
.mmu_version = 0x05 << 24, /* Impl 0, ver 5 */ |
1339 |
.mmu_bm = 0x00004000,
|
1340 |
.mmu_ctpr_mask = 0xffffffc0,
|
1341 |
.mmu_cxr_mask = 0x000000ff,
|
1342 |
.mmu_sfsr_mask = 0x00016fff,
|
1343 |
.mmu_trcr_mask = 0xffffffff,
|
1344 |
.nwindows = 8,
|
1345 |
.features = CPU_DEFAULT_FEATURES, |
1346 |
}, |
1347 |
{ |
1348 |
.name = "LSI L64811",
|
1349 |
.iu_version = 0x10 << 24, /* Impl 1, ver 0 */ |
1350 |
.fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */ |
1351 |
.mmu_version = 0x10 << 24, |
1352 |
.mmu_bm = 0x00004000,
|
1353 |
.mmu_ctpr_mask = 0x007ffff0,
|
1354 |
.mmu_cxr_mask = 0x0000003f,
|
1355 |
.mmu_sfsr_mask = 0xffffffff,
|
1356 |
.mmu_trcr_mask = 0xffffffff,
|
1357 |
.nwindows = 8,
|
1358 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
1359 |
CPU_FEATURE_FSMULD, |
1360 |
}, |
1361 |
{ |
1362 |
.name = "Cypress CY7C601",
|
1363 |
.iu_version = 0x11 << 24, /* Impl 1, ver 1 */ |
1364 |
.fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */ |
1365 |
.mmu_version = 0x10 << 24, |
1366 |
.mmu_bm = 0x00004000,
|
1367 |
.mmu_ctpr_mask = 0x007ffff0,
|
1368 |
.mmu_cxr_mask = 0x0000003f,
|
1369 |
.mmu_sfsr_mask = 0xffffffff,
|
1370 |
.mmu_trcr_mask = 0xffffffff,
|
1371 |
.nwindows = 8,
|
1372 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
1373 |
CPU_FEATURE_FSMULD, |
1374 |
}, |
1375 |
{ |
1376 |
.name = "Cypress CY7C611",
|
1377 |
.iu_version = 0x13 << 24, /* Impl 1, ver 3 */ |
1378 |
.fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */ |
1379 |
.mmu_version = 0x10 << 24, |
1380 |
.mmu_bm = 0x00004000,
|
1381 |
.mmu_ctpr_mask = 0x007ffff0,
|
1382 |
.mmu_cxr_mask = 0x0000003f,
|
1383 |
.mmu_sfsr_mask = 0xffffffff,
|
1384 |
.mmu_trcr_mask = 0xffffffff,
|
1385 |
.nwindows = 8,
|
1386 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
1387 |
CPU_FEATURE_FSMULD, |
1388 |
}, |
1389 |
{ |
1390 |
.name = "TI MicroSparc I",
|
1391 |
.iu_version = 0x41000000,
|
1392 |
.fpu_version = 4 << 17, |
1393 |
.mmu_version = 0x41000000,
|
1394 |
.mmu_bm = 0x00004000,
|
1395 |
.mmu_ctpr_mask = 0x007ffff0,
|
1396 |
.mmu_cxr_mask = 0x0000003f,
|
1397 |
.mmu_sfsr_mask = 0x00016fff,
|
1398 |
.mmu_trcr_mask = 0x0000003f,
|
1399 |
.nwindows = 7,
|
1400 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL | |
1401 |
CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | |
1402 |
CPU_FEATURE_FMUL, |
1403 |
}, |
1404 |
{ |
1405 |
.name = "TI MicroSparc II",
|
1406 |
.iu_version = 0x42000000,
|
1407 |
.fpu_version = 4 << 17, |
1408 |
.mmu_version = 0x02000000,
|
1409 |
.mmu_bm = 0x00004000,
|
1410 |
.mmu_ctpr_mask = 0x00ffffc0,
|
1411 |
.mmu_cxr_mask = 0x000000ff,
|
1412 |
.mmu_sfsr_mask = 0x00016fff,
|
1413 |
.mmu_trcr_mask = 0x00ffffff,
|
1414 |
.nwindows = 8,
|
1415 |
.features = CPU_DEFAULT_FEATURES, |
1416 |
}, |
1417 |
{ |
1418 |
.name = "TI MicroSparc IIep",
|
1419 |
.iu_version = 0x42000000,
|
1420 |
.fpu_version = 4 << 17, |
1421 |
.mmu_version = 0x04000000,
|
1422 |
.mmu_bm = 0x00004000,
|
1423 |
.mmu_ctpr_mask = 0x00ffffc0,
|
1424 |
.mmu_cxr_mask = 0x000000ff,
|
1425 |
.mmu_sfsr_mask = 0x00016bff,
|
1426 |
.mmu_trcr_mask = 0x00ffffff,
|
1427 |
.nwindows = 8,
|
1428 |
.features = CPU_DEFAULT_FEATURES, |
1429 |
}, |
1430 |
{ |
1431 |
.name = "TI SuperSparc 40", // STP1020NPGA |
1432 |
.iu_version = 0x41000000, // SuperSPARC 2.x |
1433 |
.fpu_version = 0 << 17, |
1434 |
.mmu_version = 0x00000800, // SuperSPARC 2.x, no MXCC |
1435 |
.mmu_bm = 0x00002000,
|
1436 |
.mmu_ctpr_mask = 0xffffffc0,
|
1437 |
.mmu_cxr_mask = 0x0000ffff,
|
1438 |
.mmu_sfsr_mask = 0xffffffff,
|
1439 |
.mmu_trcr_mask = 0xffffffff,
|
1440 |
.nwindows = 8,
|
1441 |
.features = CPU_DEFAULT_FEATURES, |
1442 |
}, |
1443 |
{ |
1444 |
.name = "TI SuperSparc 50", // STP1020PGA |
1445 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
1446 |
.fpu_version = 0 << 17, |
1447 |
.mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC |
1448 |
.mmu_bm = 0x00002000,
|
1449 |
.mmu_ctpr_mask = 0xffffffc0,
|
1450 |
.mmu_cxr_mask = 0x0000ffff,
|
1451 |
.mmu_sfsr_mask = 0xffffffff,
|
1452 |
.mmu_trcr_mask = 0xffffffff,
|
1453 |
.nwindows = 8,
|
1454 |
.features = CPU_DEFAULT_FEATURES, |
1455 |
}, |
1456 |
{ |
1457 |
.name = "TI SuperSparc 51",
|
1458 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
1459 |
.fpu_version = 0 << 17, |
1460 |
.mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC |
1461 |
.mmu_bm = 0x00002000,
|
1462 |
.mmu_ctpr_mask = 0xffffffc0,
|
1463 |
.mmu_cxr_mask = 0x0000ffff,
|
1464 |
.mmu_sfsr_mask = 0xffffffff,
|
1465 |
.mmu_trcr_mask = 0xffffffff,
|
1466 |
.mxcc_version = 0x00000104,
|
1467 |
.nwindows = 8,
|
1468 |
.features = CPU_DEFAULT_FEATURES, |
1469 |
}, |
1470 |
{ |
1471 |
.name = "TI SuperSparc 60", // STP1020APGA |
1472 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
1473 |
.fpu_version = 0 << 17, |
1474 |
.mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC |
1475 |
.mmu_bm = 0x00002000,
|
1476 |
.mmu_ctpr_mask = 0xffffffc0,
|
1477 |
.mmu_cxr_mask = 0x0000ffff,
|
1478 |
.mmu_sfsr_mask = 0xffffffff,
|
1479 |
.mmu_trcr_mask = 0xffffffff,
|
1480 |
.nwindows = 8,
|
1481 |
.features = CPU_DEFAULT_FEATURES, |
1482 |
}, |
1483 |
{ |
1484 |
.name = "TI SuperSparc 61",
|
1485 |
.iu_version = 0x44000000, // SuperSPARC 3.x |
1486 |
.fpu_version = 0 << 17, |
1487 |
.mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC |
1488 |
.mmu_bm = 0x00002000,
|
1489 |
.mmu_ctpr_mask = 0xffffffc0,
|
1490 |
.mmu_cxr_mask = 0x0000ffff,
|
1491 |
.mmu_sfsr_mask = 0xffffffff,
|
1492 |
.mmu_trcr_mask = 0xffffffff,
|
1493 |
.mxcc_version = 0x00000104,
|
1494 |
.nwindows = 8,
|
1495 |
.features = CPU_DEFAULT_FEATURES, |
1496 |
}, |
1497 |
{ |
1498 |
.name = "TI SuperSparc II",
|
1499 |
.iu_version = 0x40000000, // SuperSPARC II 1.x |
1500 |
.fpu_version = 0 << 17, |
1501 |
.mmu_version = 0x08000000, // SuperSPARC II 1.x, MXCC |
1502 |
.mmu_bm = 0x00002000,
|
1503 |
.mmu_ctpr_mask = 0xffffffc0,
|
1504 |
.mmu_cxr_mask = 0x0000ffff,
|
1505 |
.mmu_sfsr_mask = 0xffffffff,
|
1506 |
.mmu_trcr_mask = 0xffffffff,
|
1507 |
.mxcc_version = 0x00000104,
|
1508 |
.nwindows = 8,
|
1509 |
.features = CPU_DEFAULT_FEATURES, |
1510 |
}, |
1511 |
{ |
1512 |
.name = "Ross RT625",
|
1513 |
.iu_version = 0x1e000000,
|
1514 |
.fpu_version = 1 << 17, |
1515 |
.mmu_version = 0x1e000000,
|
1516 |
.mmu_bm = 0x00004000,
|
1517 |
.mmu_ctpr_mask = 0x007ffff0,
|
1518 |
.mmu_cxr_mask = 0x0000003f,
|
1519 |
.mmu_sfsr_mask = 0xffffffff,
|
1520 |
.mmu_trcr_mask = 0xffffffff,
|
1521 |
.nwindows = 8,
|
1522 |
.features = CPU_DEFAULT_FEATURES, |
1523 |
}, |
1524 |
{ |
1525 |
.name = "Ross RT620",
|
1526 |
.iu_version = 0x1f000000,
|
1527 |
.fpu_version = 1 << 17, |
1528 |
.mmu_version = 0x1f000000,
|
1529 |
.mmu_bm = 0x00004000,
|
1530 |
.mmu_ctpr_mask = 0x007ffff0,
|
1531 |
.mmu_cxr_mask = 0x0000003f,
|
1532 |
.mmu_sfsr_mask = 0xffffffff,
|
1533 |
.mmu_trcr_mask = 0xffffffff,
|
1534 |
.nwindows = 8,
|
1535 |
.features = CPU_DEFAULT_FEATURES, |
1536 |
}, |
1537 |
{ |
1538 |
.name = "BIT B5010",
|
1539 |
.iu_version = 0x20000000,
|
1540 |
.fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */ |
1541 |
.mmu_version = 0x20000000,
|
1542 |
.mmu_bm = 0x00004000,
|
1543 |
.mmu_ctpr_mask = 0x007ffff0,
|
1544 |
.mmu_cxr_mask = 0x0000003f,
|
1545 |
.mmu_sfsr_mask = 0xffffffff,
|
1546 |
.mmu_trcr_mask = 0xffffffff,
|
1547 |
.nwindows = 8,
|
1548 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
1549 |
CPU_FEATURE_FSMULD, |
1550 |
}, |
1551 |
{ |
1552 |
.name = "Matsushita MN10501",
|
1553 |
.iu_version = 0x50000000,
|
1554 |
.fpu_version = 0 << 17, |
1555 |
.mmu_version = 0x50000000,
|
1556 |
.mmu_bm = 0x00004000,
|
1557 |
.mmu_ctpr_mask = 0x007ffff0,
|
1558 |
.mmu_cxr_mask = 0x0000003f,
|
1559 |
.mmu_sfsr_mask = 0xffffffff,
|
1560 |
.mmu_trcr_mask = 0xffffffff,
|
1561 |
.nwindows = 8,
|
1562 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT | |
1563 |
CPU_FEATURE_FSMULD, |
1564 |
}, |
1565 |
{ |
1566 |
.name = "Weitek W8601",
|
1567 |
.iu_version = 0x90 << 24, /* Impl 9, ver 0 */ |
1568 |
.fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */ |
1569 |
.mmu_version = 0x10 << 24, |
1570 |
.mmu_bm = 0x00004000,
|
1571 |
.mmu_ctpr_mask = 0x007ffff0,
|
1572 |
.mmu_cxr_mask = 0x0000003f,
|
1573 |
.mmu_sfsr_mask = 0xffffffff,
|
1574 |
.mmu_trcr_mask = 0xffffffff,
|
1575 |
.nwindows = 8,
|
1576 |
.features = CPU_DEFAULT_FEATURES, |
1577 |
}, |
1578 |
{ |
1579 |
.name = "LEON2",
|
1580 |
.iu_version = 0xf2000000,
|
1581 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
1582 |
.mmu_version = 0xf2000000,
|
1583 |
.mmu_bm = 0x00004000,
|
1584 |
.mmu_ctpr_mask = 0x007ffff0,
|
1585 |
.mmu_cxr_mask = 0x0000003f,
|
1586 |
.mmu_sfsr_mask = 0xffffffff,
|
1587 |
.mmu_trcr_mask = 0xffffffff,
|
1588 |
.nwindows = 8,
|
1589 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN, |
1590 |
}, |
1591 |
{ |
1592 |
.name = "LEON3",
|
1593 |
.iu_version = 0xf3000000,
|
1594 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
1595 |
.mmu_version = 0xf3000000,
|
1596 |
.mmu_bm = 0x00000000,
|
1597 |
.mmu_ctpr_mask = 0x007ffff0,
|
1598 |
.mmu_cxr_mask = 0x0000003f,
|
1599 |
.mmu_sfsr_mask = 0xffffffff,
|
1600 |
.mmu_trcr_mask = 0xffffffff,
|
1601 |
.nwindows = 8,
|
1602 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN | |
1603 |
CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL, |
1604 |
}, |
1605 |
#endif
|
1606 |
}; |
1607 |
|
1608 |
static const char * const feature_name[] = { |
1609 |
"float",
|
1610 |
"float128",
|
1611 |
"swap",
|
1612 |
"mul",
|
1613 |
"div",
|
1614 |
"flush",
|
1615 |
"fsqrt",
|
1616 |
"fmul",
|
1617 |
"vis1",
|
1618 |
"vis2",
|
1619 |
"fsmuld",
|
1620 |
"hypv",
|
1621 |
"cmt",
|
1622 |
"gl",
|
1623 |
}; |
1624 |
|
1625 |
static void print_features(FILE *f, fprintf_function cpu_fprintf, |
1626 |
uint32_t features, const char *prefix) |
1627 |
{ |
1628 |
unsigned int i; |
1629 |
|
1630 |
for (i = 0; i < ARRAY_SIZE(feature_name); i++) |
1631 |
if (feature_name[i] && (features & (1 << i))) { |
1632 |
if (prefix)
|
1633 |
(*cpu_fprintf)(f, "%s", prefix);
|
1634 |
(*cpu_fprintf)(f, "%s ", feature_name[i]);
|
1635 |
} |
1636 |
} |
1637 |
|
1638 |
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features) |
1639 |
{ |
1640 |
unsigned int i; |
1641 |
|
1642 |
for (i = 0; i < ARRAY_SIZE(feature_name); i++) |
1643 |
if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
|
1644 |
*features |= 1 << i;
|
1645 |
return;
|
1646 |
} |
1647 |
fprintf(stderr, "CPU feature %s not found\n", flagname);
|
1648 |
} |
1649 |
|
1650 |
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) |
1651 |
{ |
1652 |
unsigned int i; |
1653 |
const sparc_def_t *def = NULL; |
1654 |
char *s = strdup(cpu_model);
|
1655 |
char *featurestr, *name = strtok(s, ","); |
1656 |
uint32_t plus_features = 0;
|
1657 |
uint32_t minus_features = 0;
|
1658 |
uint64_t iu_version; |
1659 |
uint32_t fpu_version, mmu_version, nwindows; |
1660 |
|
1661 |
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { |
1662 |
if (strcasecmp(name, sparc_defs[i].name) == 0) { |
1663 |
def = &sparc_defs[i]; |
1664 |
} |
1665 |
} |
1666 |
if (!def)
|
1667 |
goto error;
|
1668 |
memcpy(cpu_def, def, sizeof(*def));
|
1669 |
|
1670 |
featurestr = strtok(NULL, ","); |
1671 |
while (featurestr) {
|
1672 |
char *val;
|
1673 |
|
1674 |
if (featurestr[0] == '+') { |
1675 |
add_flagname_to_bitmaps(featurestr + 1, &plus_features);
|
1676 |
} else if (featurestr[0] == '-') { |
1677 |
add_flagname_to_bitmaps(featurestr + 1, &minus_features);
|
1678 |
} else if ((val = strchr(featurestr, '='))) { |
1679 |
*val = 0; val++;
|
1680 |
if (!strcmp(featurestr, "iu_version")) { |
1681 |
char *err;
|
1682 |
|
1683 |
iu_version = strtoll(val, &err, 0);
|
1684 |
if (!*val || *err) {
|
1685 |
fprintf(stderr, "bad numerical value %s\n", val);
|
1686 |
goto error;
|
1687 |
} |
1688 |
cpu_def->iu_version = iu_version; |
1689 |
#ifdef DEBUG_FEATURES
|
1690 |
fprintf(stderr, "iu_version %" PRIx64 "\n", iu_version); |
1691 |
#endif
|
1692 |
} else if (!strcmp(featurestr, "fpu_version")) { |
1693 |
char *err;
|
1694 |
|
1695 |
fpu_version = strtol(val, &err, 0);
|
1696 |
if (!*val || *err) {
|
1697 |
fprintf(stderr, "bad numerical value %s\n", val);
|
1698 |
goto error;
|
1699 |
} |
1700 |
cpu_def->fpu_version = fpu_version; |
1701 |
#ifdef DEBUG_FEATURES
|
1702 |
fprintf(stderr, "fpu_version %x\n", fpu_version);
|
1703 |
#endif
|
1704 |
} else if (!strcmp(featurestr, "mmu_version")) { |
1705 |
char *err;
|
1706 |
|
1707 |
mmu_version = strtol(val, &err, 0);
|
1708 |
if (!*val || *err) {
|
1709 |
fprintf(stderr, "bad numerical value %s\n", val);
|
1710 |
goto error;
|
1711 |
} |
1712 |
cpu_def->mmu_version = mmu_version; |
1713 |
#ifdef DEBUG_FEATURES
|
1714 |
fprintf(stderr, "mmu_version %x\n", mmu_version);
|
1715 |
#endif
|
1716 |
} else if (!strcmp(featurestr, "nwindows")) { |
1717 |
char *err;
|
1718 |
|
1719 |
nwindows = strtol(val, &err, 0);
|
1720 |
if (!*val || *err || nwindows > MAX_NWINDOWS ||
|
1721 |
nwindows < MIN_NWINDOWS) { |
1722 |
fprintf(stderr, "bad numerical value %s\n", val);
|
1723 |
goto error;
|
1724 |
} |
1725 |
cpu_def->nwindows = nwindows; |
1726 |
#ifdef DEBUG_FEATURES
|
1727 |
fprintf(stderr, "nwindows %d\n", nwindows);
|
1728 |
#endif
|
1729 |
} else {
|
1730 |
fprintf(stderr, "unrecognized feature %s\n", featurestr);
|
1731 |
goto error;
|
1732 |
} |
1733 |
} else {
|
1734 |
fprintf(stderr, "feature string `%s' not in format "
|
1735 |
"(+feature|-feature|feature=xyz)\n", featurestr);
|
1736 |
goto error;
|
1737 |
} |
1738 |
featurestr = strtok(NULL, ","); |
1739 |
} |
1740 |
cpu_def->features |= plus_features; |
1741 |
cpu_def->features &= ~minus_features; |
1742 |
#ifdef DEBUG_FEATURES
|
1743 |
print_features(stderr, fprintf, cpu_def->features, NULL);
|
1744 |
#endif
|
1745 |
free(s); |
1746 |
return 0; |
1747 |
|
1748 |
error:
|
1749 |
free(s); |
1750 |
return -1; |
1751 |
} |
1752 |
|
1753 |
void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
|
1754 |
{ |
1755 |
unsigned int i; |
1756 |
|
1757 |
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { |
1758 |
(*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ", |
1759 |
sparc_defs[i].name, |
1760 |
sparc_defs[i].iu_version, |
1761 |
sparc_defs[i].fpu_version, |
1762 |
sparc_defs[i].mmu_version, |
1763 |
sparc_defs[i].nwindows); |
1764 |
print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES & |
1765 |
~sparc_defs[i].features, "-");
|
1766 |
print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES & |
1767 |
sparc_defs[i].features, "+");
|
1768 |
(*cpu_fprintf)(f, "\n");
|
1769 |
} |
1770 |
(*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
|
1771 |
print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
|
1772 |
(*cpu_fprintf)(f, "\n");
|
1773 |
(*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
|
1774 |
print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
|
1775 |
(*cpu_fprintf)(f, "\n");
|
1776 |
(*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
|
1777 |
"fpu_version mmu_version nwindows\n");
|
1778 |
} |
1779 |
|
1780 |
static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf, |
1781 |
uint32_t cc) |
1782 |
{ |
1783 |
cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG? 'N' : '-', |
1784 |
cc & PSR_ZERO? 'Z' : '-', cc & PSR_OVF? 'V' : '-', |
1785 |
cc & PSR_CARRY? 'C' : '-'); |
1786 |
} |
1787 |
|
1788 |
#ifdef TARGET_SPARC64
|
1789 |
#define REGS_PER_LINE 4 |
1790 |
#else
|
1791 |
#define REGS_PER_LINE 8 |
1792 |
#endif
|
1793 |
|
1794 |
void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
|
1795 |
int flags)
|
1796 |
{ |
1797 |
int i, x;
|
1798 |
|
1799 |
cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, |
1800 |
env->npc); |
1801 |
cpu_fprintf(f, "General Registers:\n");
|
1802 |
|
1803 |
for (i = 0; i < 8; i++) { |
1804 |
if (i % REGS_PER_LINE == 0) { |
1805 |
cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1); |
1806 |
} |
1807 |
cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
|
1808 |
if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { |
1809 |
cpu_fprintf(f, "\n");
|
1810 |
} |
1811 |
} |
1812 |
cpu_fprintf(f, "\nCurrent Register Window:\n");
|
1813 |
for (x = 0; x < 3; x++) { |
1814 |
for (i = 0; i < 8; i++) { |
1815 |
if (i % REGS_PER_LINE == 0) { |
1816 |
cpu_fprintf(f, "%%%c%d-%d: ",
|
1817 |
x == 0 ? 'o' : (x == 1 ? 'l' : 'i'), |
1818 |
i, i + REGS_PER_LINE - 1);
|
1819 |
} |
1820 |
cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]); |
1821 |
if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { |
1822 |
cpu_fprintf(f, "\n");
|
1823 |
} |
1824 |
} |
1825 |
} |
1826 |
cpu_fprintf(f, "\nFloating Point Registers:\n");
|
1827 |
for (i = 0; i < TARGET_FPREGS; i++) { |
1828 |
if ((i & 3) == 0) |
1829 |
cpu_fprintf(f, "%%f%02d:", i);
|
1830 |
cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]); |
1831 |
if ((i & 3) == 3) |
1832 |
cpu_fprintf(f, "\n");
|
1833 |
} |
1834 |
#ifdef TARGET_SPARC64
|
1835 |
cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
|
1836 |
(unsigned)cpu_get_ccr(env));
|
1837 |
cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT); |
1838 |
cpu_fprintf(f, " xcc: ");
|
1839 |
cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
|
1840 |
cpu_fprintf(f, ") asi: %02x tl: %d pil: %x\n", env->asi, env->tl,
|
1841 |
env->psrpil); |
1842 |
cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
|
1843 |
"cleanwin: %d cwp: %d\n",
|
1844 |
env->cansave, env->canrestore, env->otherwin, env->wstate, |
1845 |
env->cleanwin, env->nwindows - 1 - env->cwp);
|
1846 |
cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: " |
1847 |
TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
|
1848 |
#else
|
1849 |
cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
|
1850 |
cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env)); |
1851 |
cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs? 'S' : '-', |
1852 |
env->psrps? 'P' : '-', env->psret? 'E' : '-', |
1853 |
env->wim); |
1854 |
cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n", |
1855 |
env->fsr, env->y); |
1856 |
#endif
|
1857 |
} |