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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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|
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/* Sparc MMU emulation */
|
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|
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#if defined(CONFIG_USER_ONLY)
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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 */ |
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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 */ |
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case 3: /* Reserved */ |
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return 0; |
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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 */ |
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case 1: /* PDE, should not happen */ |
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case 3: /* Reserved */ |
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return 0; |
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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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} |
| 320 |
|
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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; |
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uint32_t pde; |
| 327 |
|
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pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2); |
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pde = ldl_phys(pde_ptr); |
| 330 |
(*cpu_fprintf)(f, "Root ptr: " TARGET_FMT_plx ", ctx: %d\n", |
| 331 |
(target_phys_addr_t)env->mmuregs[1] << 4, env->mmuregs[2]); |
| 332 |
for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) { |
| 333 |
pde = mmu_probe(env, va, 2);
|
| 334 |
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) {
|
| 341 |
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",
|
| 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 |
} |
| 449 |
|
| 450 |
for (i = 0; i < 64; i++) { |
| 451 |
// ctx match, vaddr match, valid?
|
| 452 |
if (ultrasparc_tag_match(&env->dtlb[i], address, context, physical)) {
|
| 453 |
|
| 454 |
// access ok?
|
| 455 |
if (TTE_IS_PRIV(env->dtlb[i].tte) && is_user) {
|
| 456 |
sfsr |= SFSR_FT_PRIV_BIT; /* privilege violation */
|
| 457 |
env->exception_index = TT_DFAULT; |
| 458 |
|
| 459 |
DPRINTF_MMU("DFAULT at %" PRIx64 " context %" PRIx64 |
| 460 |
" mmu_idx=%d tl=%d\n",
|
| 461 |
address, context, mmu_idx, env->tl); |
| 462 |
} else if (!TTE_IS_W_OK(env->dtlb[i].tte) && (rw == 1)) { |
| 463 |
env->exception_index = TT_DPROT; |
| 464 |
|
| 465 |
DPRINTF_MMU("DPROT at %" PRIx64 " context %" PRIx64 |
| 466 |
" mmu_idx=%d tl=%d\n",
|
| 467 |
address, context, mmu_idx, env->tl); |
| 468 |
} else {
|
| 469 |
*prot = PAGE_READ; |
| 470 |
if (TTE_IS_W_OK(env->dtlb[i].tte)) {
|
| 471 |
*prot |= PAGE_WRITE; |
| 472 |
} |
| 473 |
|
| 474 |
TTE_SET_USED(env->dtlb[i].tte); |
| 475 |
|
| 476 |
return 0; |
| 477 |
} |
| 478 |
|
| 479 |
if (env->dmmu.sfsr & SFSR_VALID_BIT) { /* Fault status register */ |
| 480 |
sfsr |= SFSR_OW_BIT; /* overflow (not read before
|
| 481 |
another fault) */
|
| 482 |
} |
| 483 |
|
| 484 |
if (env->pstate & PS_PRIV) {
|
| 485 |
sfsr |= SFSR_PR_BIT; |
| 486 |
} |
| 487 |
|
| 488 |
/* FIXME: ASI field in SFSR must be set */
|
| 489 |
env->dmmu.sfsr = sfsr | SFSR_VALID_BIT; |
| 490 |
|
| 491 |
env->dmmu.sfar = address; /* Fault address register */
|
| 492 |
|
| 493 |
env->dmmu.tag_access = (address & ~0x1fffULL) | context;
|
| 494 |
|
| 495 |
return 1; |
| 496 |
} |
| 497 |
} |
| 498 |
|
| 499 |
DPRINTF_MMU("DMISS at %" PRIx64 " context %" PRIx64 "\n", |
| 500 |
address, context); |
| 501 |
|
| 502 |
/*
|
| 503 |
* On MMU misses:
|
| 504 |
* - UltraSPARC IIi: SFSR and SFAR unmodified
|
| 505 |
* - JPS1: SFAR updated and some fields of SFSR updated
|
| 506 |
*/
|
| 507 |
env->dmmu.tag_access = (address & ~0x1fffULL) | context;
|
| 508 |
env->exception_index = TT_DMISS; |
| 509 |
return 1; |
| 510 |
} |
| 511 |
|
| 512 |
static int get_physical_address_code(CPUState *env, |
| 513 |
target_phys_addr_t *physical, int *prot,
|
| 514 |
target_ulong address, int mmu_idx)
|
| 515 |
{
|
| 516 |
unsigned int i; |
| 517 |
uint64_t context; |
| 518 |
|
| 519 |
int is_user = (mmu_idx == MMU_USER_IDX ||
|
| 520 |
mmu_idx == MMU_USER_SECONDARY_IDX); |
| 521 |
|
| 522 |
if ((env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0) { |
| 523 |
/* IMMU disabled */
|
| 524 |
*physical = ultrasparc_truncate_physical(address); |
| 525 |
*prot = PAGE_EXEC; |
| 526 |
return 0; |
| 527 |
} |
| 528 |
|
| 529 |
if (env->tl == 0) { |
| 530 |
/* PRIMARY context */
|
| 531 |
context = env->dmmu.mmu_primary_context & 0x1fff;
|
| 532 |
} else {
|
| 533 |
/* NUCLEUS context */
|
| 534 |
context = 0;
|
| 535 |
} |
| 536 |
|
| 537 |
for (i = 0; i < 64; i++) { |
| 538 |
// ctx match, vaddr match, valid?
|
| 539 |
if (ultrasparc_tag_match(&env->itlb[i],
|
| 540 |
address, context, physical)) {
|
| 541 |
// access ok?
|
| 542 |
if (TTE_IS_PRIV(env->itlb[i].tte) && is_user) {
|
| 543 |
/* Fault status register */
|
| 544 |
if (env->immu.sfsr & SFSR_VALID_BIT) {
|
| 545 |
env->immu.sfsr = SFSR_OW_BIT; /* overflow (not read before
|
| 546 |
another fault) */
|
| 547 |
} else {
|
| 548 |
env->immu.sfsr = 0;
|
| 549 |
} |
| 550 |
if (env->pstate & PS_PRIV) {
|
| 551 |
env->immu.sfsr |= SFSR_PR_BIT; |
| 552 |
} |
| 553 |
if (env->tl > 0) { |
| 554 |
env->immu.sfsr |= SFSR_CT_NUCLEUS; |
| 555 |
} |
| 556 |
|
| 557 |
/* FIXME: ASI field in SFSR must be set */
|
| 558 |
env->immu.sfsr |= SFSR_FT_PRIV_BIT | SFSR_VALID_BIT; |
| 559 |
env->exception_index = TT_TFAULT; |
| 560 |
|
| 561 |
env->immu.tag_access = (address & ~0x1fffULL) | context;
|
| 562 |
|
| 563 |
DPRINTF_MMU("TFAULT at %" PRIx64 " context %" PRIx64 "\n", |
| 564 |
address, context); |
| 565 |
|
| 566 |
return 1; |
| 567 |
} |
| 568 |
*prot = PAGE_EXEC; |
| 569 |
TTE_SET_USED(env->itlb[i].tte); |
| 570 |
return 0; |
| 571 |
} |
| 572 |
} |
| 573 |
|
| 574 |
DPRINTF_MMU("TMISS at %" PRIx64 " context %" PRIx64 "\n", |
| 575 |
address, context); |
| 576 |
|
| 577 |
/* Context is stored in DMMU (dmmuregs[1]) also for IMMU */
|
| 578 |
env->immu.tag_access = (address & ~0x1fffULL) | context;
|
| 579 |
env->exception_index = TT_TMISS; |
| 580 |
return 1; |
| 581 |
} |
| 582 |
|
| 583 |
static int get_physical_address(CPUState *env, target_phys_addr_t *physical, |
| 584 |
int *prot, int *access_index, |
| 585 |
target_ulong address, int rw, int mmu_idx, |
| 586 |
target_ulong *page_size) |
| 587 |
{
|
| 588 |
/* ??? We treat everything as a small page, then explicitly flush
|
| 589 |
everything when an entry is evicted. */
|
| 590 |
*page_size = TARGET_PAGE_SIZE; |
| 591 |
|
| 592 |
#if defined (DEBUG_MMU)
|
| 593 |
/* safety net to catch wrong softmmu index use from dynamic code */
|
| 594 |
if (env->tl > 0 && mmu_idx != MMU_NUCLEUS_IDX) { |
| 595 |
DPRINTF_MMU("get_physical_address %s tl=%d mmu_idx=%d"
|
| 596 |
" primary context=%" PRIx64
|
| 597 |
" secondary context=%" PRIx64
|
| 598 |
" address=%" PRIx64
|
| 599 |
"\n",
|
| 600 |
(rw == 2 ? "CODE" : "DATA"), |
| 601 |
env->tl, mmu_idx, |
| 602 |
env->dmmu.mmu_primary_context, |
| 603 |
env->dmmu.mmu_secondary_context, |
| 604 |
address); |
| 605 |
} |
| 606 |
#endif
|
| 607 |
|
| 608 |
if (rw == 2) |
| 609 |
return get_physical_address_code(env, physical, prot, address,
|
| 610 |
mmu_idx); |
| 611 |
else
|
| 612 |
return get_physical_address_data(env, physical, prot, address, rw,
|
| 613 |
mmu_idx); |
| 614 |
} |
| 615 |
|
| 616 |
/* Perform address translation */
|
| 617 |
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
| 618 |
int mmu_idx, int is_softmmu) |
| 619 |
{
|
| 620 |
target_ulong virt_addr, vaddr; |
| 621 |
target_phys_addr_t paddr; |
| 622 |
target_ulong page_size; |
| 623 |
int error_code = 0, prot, access_index; |
| 624 |
|
| 625 |
error_code = get_physical_address(env, &paddr, &prot, &access_index, |
| 626 |
address, rw, mmu_idx, &page_size); |
| 627 |
if (error_code == 0) { |
| 628 |
virt_addr = address & TARGET_PAGE_MASK; |
| 629 |
vaddr = virt_addr + ((address & TARGET_PAGE_MASK) & |
| 630 |
(TARGET_PAGE_SIZE - 1));
|
| 631 |
|
| 632 |
DPRINTF_MMU("Translate at %" PRIx64 " -> %" PRIx64 "," |
| 633 |
" vaddr %" PRIx64
|
| 634 |
" mmu_idx=%d"
|
| 635 |
" tl=%d"
|
| 636 |
" primary context=%" PRIx64
|
| 637 |
" secondary context=%" PRIx64
|
| 638 |
"\n",
|
| 639 |
address, paddr, vaddr, mmu_idx, env->tl, |
| 640 |
env->dmmu.mmu_primary_context, |
| 641 |
env->dmmu.mmu_secondary_context); |
| 642 |
|
| 643 |
tlb_set_page(env, vaddr, paddr, prot, mmu_idx, page_size); |
| 644 |
return 0; |
| 645 |
} |
| 646 |
// XXX
|
| 647 |
return 1; |
| 648 |
} |
| 649 |
|
| 650 |
void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUState *env)
|
| 651 |
{
|
| 652 |
unsigned int i; |
| 653 |
const char *mask; |
| 654 |
|
| 655 |
(*cpu_fprintf)(f, "MMU contexts: Primary: %" PRId64 ", Secondary: %" |
| 656 |
PRId64 "\n",
|
| 657 |
env->dmmu.mmu_primary_context, |
| 658 |
env->dmmu.mmu_secondary_context); |
| 659 |
if ((env->lsu & DMMU_E) == 0) { |
| 660 |
(*cpu_fprintf)(f, "DMMU disabled\n");
|
| 661 |
} else {
|
| 662 |
(*cpu_fprintf)(f, "DMMU dump\n");
|
| 663 |
for (i = 0; i < 64; i++) { |
| 664 |
switch (TTE_PGSIZE(env->dtlb[i].tte)) {
|
| 665 |
default:
|
| 666 |
case 0x0: |
| 667 |
mask = " 8k";
|
| 668 |
break;
|
| 669 |
case 0x1: |
| 670 |
mask = " 64k";
|
| 671 |
break;
|
| 672 |
case 0x2: |
| 673 |
mask = "512k";
|
| 674 |
break;
|
| 675 |
case 0x3: |
| 676 |
mask = " 4M";
|
| 677 |
break;
|
| 678 |
} |
| 679 |
if (TTE_IS_VALID(env->dtlb[i].tte)) {
|
| 680 |
(*cpu_fprintf)(f, "[%02u] VA: %" PRIx64 ", PA: %" PRIx64 |
| 681 |
", %s, %s, %s, %s, ctx %" PRId64 " %s\n", |
| 682 |
i, |
| 683 |
env->dtlb[i].tag & (uint64_t)~0x1fffULL,
|
| 684 |
TTE_PA(env->dtlb[i].tte), |
| 685 |
mask, |
| 686 |
TTE_IS_PRIV(env->dtlb[i].tte) ? "priv" : "user", |
| 687 |
TTE_IS_W_OK(env->dtlb[i].tte) ? "RW" : "RO", |
| 688 |
TTE_IS_LOCKED(env->dtlb[i].tte) ? |
| 689 |
"locked" : "unlocked", |
| 690 |
env->dtlb[i].tag & (uint64_t)0x1fffULL,
|
| 691 |
TTE_IS_GLOBAL(env->dtlb[i].tte)? |
| 692 |
"global" : "local"); |
| 693 |
} |
| 694 |
} |
| 695 |
} |
| 696 |
if ((env->lsu & IMMU_E) == 0) { |
| 697 |
(*cpu_fprintf)(f, "IMMU disabled\n");
|
| 698 |
} else {
|
| 699 |
(*cpu_fprintf)(f, "IMMU dump\n");
|
| 700 |
for (i = 0; i < 64; i++) { |
| 701 |
switch (TTE_PGSIZE(env->itlb[i].tte)) {
|
| 702 |
default:
|
| 703 |
case 0x0: |
| 704 |
mask = " 8k";
|
| 705 |
break;
|
| 706 |
case 0x1: |
| 707 |
mask = " 64k";
|
| 708 |
break;
|
| 709 |
case 0x2: |
| 710 |
mask = "512k";
|
| 711 |
break;
|
| 712 |
case 0x3: |
| 713 |
mask = " 4M";
|
| 714 |
break;
|
| 715 |
} |
| 716 |
if (TTE_IS_VALID(env->itlb[i].tte)) {
|
| 717 |
(*cpu_fprintf)(f, "[%02u] VA: %" PRIx64 ", PA: %" PRIx64 |
| 718 |
", %s, %s, %s, ctx %" PRId64 " %s\n", |
| 719 |
i, |
| 720 |
env->itlb[i].tag & (uint64_t)~0x1fffULL,
|
| 721 |
TTE_PA(env->itlb[i].tte), |
| 722 |
mask, |
| 723 |
TTE_IS_PRIV(env->itlb[i].tte) ? "priv" : "user", |
| 724 |
TTE_IS_LOCKED(env->itlb[i].tte) ? |
| 725 |
"locked" : "unlocked", |
| 726 |
env->itlb[i].tag & (uint64_t)0x1fffULL,
|
| 727 |
TTE_IS_GLOBAL(env->itlb[i].tte)? |
| 728 |
"global" : "local"); |
| 729 |
} |
| 730 |
} |
| 731 |
} |
| 732 |
} |
| 733 |
|
| 734 |
#endif /* TARGET_SPARC64 */ |
| 735 |
#endif /* !CONFIG_USER_ONLY */ |
| 736 |
|
| 737 |
|
| 738 |
#if !defined(CONFIG_USER_ONLY)
|
| 739 |
target_phys_addr_t cpu_get_phys_page_nofault(CPUState *env, target_ulong addr, |
| 740 |
int mmu_idx)
|
| 741 |
{
|
| 742 |
target_phys_addr_t phys_addr; |
| 743 |
target_ulong page_size; |
| 744 |
int prot, access_index;
|
| 745 |
|
| 746 |
if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2, |
| 747 |
mmu_idx, &page_size) != 0)
|
| 748 |
if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
|
| 749 |
0, mmu_idx, &page_size) != 0) |
| 750 |
return -1; |
| 751 |
if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
|
| 752 |
return -1; |
| 753 |
return phys_addr;
|
| 754 |
} |
| 755 |
|
| 756 |
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
| 757 |
{
|
| 758 |
return cpu_get_phys_page_nofault(env, addr, cpu_mmu_index(env));
|
| 759 |
} |
| 760 |
#endif
|
| 761 |
|
| 762 |
#ifdef TARGET_SPARC64
|
| 763 |
#ifdef DEBUG_PCALL
|
| 764 |
static const char * const excp_names[0x80] = { |
| 765 |
[TT_TFAULT] = "Instruction Access Fault",
|
| 766 |
[TT_TMISS] = "Instruction Access MMU Miss",
|
| 767 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
| 768 |
[TT_ILL_INSN] = "Illegal Instruction",
|
| 769 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
| 770 |
[TT_NFPU_INSN] = "FPU Disabled",
|
| 771 |
[TT_FP_EXCP] = "FPU Exception",
|
| 772 |
[TT_TOVF] = "Tag Overflow",
|
| 773 |
[TT_CLRWIN] = "Clean Windows",
|
| 774 |
[TT_DIV_ZERO] = "Division By Zero",
|
| 775 |
[TT_DFAULT] = "Data Access Fault",
|
| 776 |
[TT_DMISS] = "Data Access MMU Miss",
|
| 777 |
[TT_DATA_ACCESS] = "Data Access Error",
|
| 778 |
[TT_DPROT] = "Data Protection Error",
|
| 779 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
| 780 |
[TT_PRIV_ACT] = "Privileged Action",
|
| 781 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
| 782 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
| 783 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
| 784 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
| 785 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
| 786 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
| 787 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
| 788 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
| 789 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
| 790 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
| 791 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
| 792 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
| 793 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
| 794 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
| 795 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
| 796 |
}; |
| 797 |
#endif
|
| 798 |
|
| 799 |
void do_interrupt(CPUState *env)
|
| 800 |
{
|
| 801 |
int intno = env->exception_index;
|
| 802 |
trap_state *tsptr; |
| 803 |
|
| 804 |
#ifdef DEBUG_PCALL
|
| 805 |
if (qemu_loglevel_mask(CPU_LOG_INT)) {
|
| 806 |
static int count; |
| 807 |
const char *name; |
| 808 |
|
| 809 |
if (intno < 0 || intno >= 0x180) { |
| 810 |
name = "Unknown";
|
| 811 |
} else if (intno >= 0x100) { |
| 812 |
name = "Trap Instruction";
|
| 813 |
} else if (intno >= 0xc0) { |
| 814 |
name = "Window Fill";
|
| 815 |
} else if (intno >= 0x80) { |
| 816 |
name = "Window Spill";
|
| 817 |
} else {
|
| 818 |
name = excp_names[intno]; |
| 819 |
if (!name) {
|
| 820 |
name = "Unknown";
|
| 821 |
} |
| 822 |
} |
| 823 |
|
| 824 |
qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64 |
| 825 |
" SP=%016" PRIx64 "\n", |
| 826 |
count, name, intno, |
| 827 |
env->pc, |
| 828 |
env->npc, env->regwptr[6]);
|
| 829 |
log_cpu_state(env, 0);
|
| 830 |
#if 0
|
| 831 |
{
|
| 832 |
int i;
|
| 833 |
uint8_t *ptr;
|
| 834 |
|
| 835 |
qemu_log(" code=");
|
| 836 |
ptr = (uint8_t *)env->pc;
|
| 837 |
for (i = 0; i < 16; i++) {
|
| 838 |
qemu_log(" %02x", ldub(ptr + i));
|
| 839 |
}
|
| 840 |
qemu_log("\n");
|
| 841 |
}
|
| 842 |
#endif
|
| 843 |
count++; |
| 844 |
} |
| 845 |
#endif
|
| 846 |
#if !defined(CONFIG_USER_ONLY)
|
| 847 |
if (env->tl >= env->maxtl) {
|
| 848 |
cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
|
| 849 |
" Error state", env->exception_index, env->tl, env->maxtl);
|
| 850 |
return;
|
| 851 |
} |
| 852 |
#endif
|
| 853 |
if (env->tl < env->maxtl - 1) { |
| 854 |
env->tl++; |
| 855 |
} else {
|
| 856 |
env->pstate |= PS_RED; |
| 857 |
if (env->tl < env->maxtl) {
|
| 858 |
env->tl++; |
| 859 |
} |
| 860 |
} |
| 861 |
tsptr = cpu_tsptr(env); |
| 862 |
|
| 863 |
tsptr->tstate = (cpu_get_ccr(env) << 32) |
|
| 864 |
((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) | |
| 865 |
cpu_get_cwp64(env); |
| 866 |
tsptr->tpc = env->pc; |
| 867 |
tsptr->tnpc = env->npc; |
| 868 |
tsptr->tt = intno; |
| 869 |
|
| 870 |
switch (intno) {
|
| 871 |
case TT_IVEC:
|
| 872 |
cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_IG); |
| 873 |
break;
|
| 874 |
case TT_TFAULT:
|
| 875 |
case TT_DFAULT:
|
| 876 |
case TT_TMISS ... TT_TMISS + 3: |
| 877 |
case TT_DMISS ... TT_DMISS + 3: |
| 878 |
case TT_DPROT ... TT_DPROT + 3: |
| 879 |
cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_MG); |
| 880 |
break;
|
| 881 |
default:
|
| 882 |
cpu_change_pstate(env, PS_PEF | PS_PRIV | PS_AG); |
| 883 |
break;
|
| 884 |
} |
| 885 |
|
| 886 |
if (intno == TT_CLRWIN) {
|
| 887 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
|
| 888 |
} else if ((intno & 0x1c0) == TT_SPILL) { |
| 889 |
cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
|
| 890 |
} else if ((intno & 0x1c0) == TT_FILL) { |
| 891 |
cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
|
| 892 |
} |
| 893 |
env->tbr &= ~0x7fffULL;
|
| 894 |
env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); |
| 895 |
env->pc = env->tbr; |
| 896 |
env->npc = env->pc + 4;
|
| 897 |
env->exception_index = -1;
|
| 898 |
} |
| 899 |
#else
|
| 900 |
#ifdef DEBUG_PCALL
|
| 901 |
static const char * const excp_names[0x80] = { |
| 902 |
[TT_TFAULT] = "Instruction Access Fault",
|
| 903 |
[TT_ILL_INSN] = "Illegal Instruction",
|
| 904 |
[TT_PRIV_INSN] = "Privileged Instruction",
|
| 905 |
[TT_NFPU_INSN] = "FPU Disabled",
|
| 906 |
[TT_WIN_OVF] = "Window Overflow",
|
| 907 |
[TT_WIN_UNF] = "Window Underflow",
|
| 908 |
[TT_UNALIGNED] = "Unaligned Memory Access",
|
| 909 |
[TT_FP_EXCP] = "FPU Exception",
|
| 910 |
[TT_DFAULT] = "Data Access Fault",
|
| 911 |
[TT_TOVF] = "Tag Overflow",
|
| 912 |
[TT_EXTINT | 0x1] = "External Interrupt 1", |
| 913 |
[TT_EXTINT | 0x2] = "External Interrupt 2", |
| 914 |
[TT_EXTINT | 0x3] = "External Interrupt 3", |
| 915 |
[TT_EXTINT | 0x4] = "External Interrupt 4", |
| 916 |
[TT_EXTINT | 0x5] = "External Interrupt 5", |
| 917 |
[TT_EXTINT | 0x6] = "External Interrupt 6", |
| 918 |
[TT_EXTINT | 0x7] = "External Interrupt 7", |
| 919 |
[TT_EXTINT | 0x8] = "External Interrupt 8", |
| 920 |
[TT_EXTINT | 0x9] = "External Interrupt 9", |
| 921 |
[TT_EXTINT | 0xa] = "External Interrupt 10", |
| 922 |
[TT_EXTINT | 0xb] = "External Interrupt 11", |
| 923 |
[TT_EXTINT | 0xc] = "External Interrupt 12", |
| 924 |
[TT_EXTINT | 0xd] = "External Interrupt 13", |
| 925 |
[TT_EXTINT | 0xe] = "External Interrupt 14", |
| 926 |
[TT_EXTINT | 0xf] = "External Interrupt 15", |
| 927 |
[TT_TOVF] = "Tag Overflow",
|
| 928 |
[TT_CODE_ACCESS] = "Instruction Access Error",
|
| 929 |
[TT_DATA_ACCESS] = "Data Access Error",
|
| 930 |
[TT_DIV_ZERO] = "Division By Zero",
|
| 931 |
[TT_NCP_INSN] = "Coprocessor Disabled",
|
| 932 |
}; |
| 933 |
#endif
|
| 934 |
|
| 935 |
void do_interrupt(CPUState *env)
|
| 936 |
{
|
| 937 |
int cwp, intno = env->exception_index;
|
| 938 |
|
| 939 |
#ifdef DEBUG_PCALL
|
| 940 |
if (qemu_loglevel_mask(CPU_LOG_INT)) {
|
| 941 |
static int count; |
| 942 |
const char *name; |
| 943 |
|
| 944 |
if (intno < 0 || intno >= 0x100) { |
| 945 |
name = "Unknown";
|
| 946 |
} else if (intno >= 0x80) { |
| 947 |
name = "Trap Instruction";
|
| 948 |
} else {
|
| 949 |
name = excp_names[intno]; |
| 950 |
if (!name) {
|
| 951 |
name = "Unknown";
|
| 952 |
} |
| 953 |
} |
| 954 |
|
| 955 |
qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
|
| 956 |
count, name, intno, |
| 957 |
env->pc, |
| 958 |
env->npc, env->regwptr[6]);
|
| 959 |
log_cpu_state(env, 0);
|
| 960 |
#if 0
|
| 961 |
{
|
| 962 |
int i;
|
| 963 |
uint8_t *ptr;
|
| 964 |
|
| 965 |
qemu_log(" code=");
|
| 966 |
ptr = (uint8_t *)env->pc;
|
| 967 |
for (i = 0; i < 16; i++) {
|
| 968 |
qemu_log(" %02x", ldub(ptr + i));
|
| 969 |
}
|
| 970 |
qemu_log("\n");
|
| 971 |
}
|
| 972 |
#endif
|
| 973 |
count++; |
| 974 |
} |
| 975 |
#endif
|
| 976 |
#if !defined(CONFIG_USER_ONLY)
|
| 977 |
if (env->psret == 0) { |
| 978 |
cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
|
| 979 |
env->exception_index); |
| 980 |
return;
|
| 981 |
} |
| 982 |
#endif
|
| 983 |
env->psret = 0;
|
| 984 |
cwp = cpu_cwp_dec(env, env->cwp - 1);
|
| 985 |
cpu_set_cwp(env, cwp); |
| 986 |
env->regwptr[9] = env->pc;
|
| 987 |
env->regwptr[10] = env->npc;
|
| 988 |
env->psrps = env->psrs; |
| 989 |
env->psrs = 1;
|
| 990 |
env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
|
| 991 |
env->pc = env->tbr; |
| 992 |
env->npc = env->pc + 4;
|
| 993 |
env->exception_index = -1;
|
| 994 |
|
| 995 |
#if !defined(CONFIG_USER_ONLY)
|
| 996 |
/* IRQ acknowledgment */
|
| 997 |
if ((intno & ~15) == TT_EXTINT && env->qemu_irq_ack != NULL) { |
| 998 |
env->qemu_irq_ack(env->irq_manager, intno); |
| 999 |
} |
| 1000 |
#endif
|
| 1001 |
} |
| 1002 |
#endif
|
| 1003 |
|
| 1004 |
void cpu_reset(CPUSPARCState *env)
|
| 1005 |
{
|
| 1006 |
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
| 1007 |
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
| 1008 |
log_cpu_state(env, 0);
|
| 1009 |
} |
| 1010 |
|
| 1011 |
tlb_flush(env, 1);
|
| 1012 |
env->cwp = 0;
|
| 1013 |
#ifndef TARGET_SPARC64
|
| 1014 |
env->wim = 1;
|
| 1015 |
#endif
|
| 1016 |
env->regwptr = env->regbase + (env->cwp * 16);
|
| 1017 |
CC_OP = CC_OP_FLAGS; |
| 1018 |
#if defined(CONFIG_USER_ONLY)
|
| 1019 |
#ifdef TARGET_SPARC64
|
| 1020 |
env->cleanwin = env->nwindows - 2;
|
| 1021 |
env->cansave = env->nwindows - 2;
|
| 1022 |
env->pstate = PS_RMO | PS_PEF | PS_IE; |
| 1023 |
env->asi = 0x82; // Primary no-fault |
| 1024 |
#endif
|
| 1025 |
#else
|
| 1026 |
#if !defined(TARGET_SPARC64)
|
| 1027 |
env->psret = 0;
|
| 1028 |
env->psrs = 1;
|
| 1029 |
env->psrps = 1;
|
| 1030 |
#endif
|
| 1031 |
#ifdef TARGET_SPARC64
|
| 1032 |
env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG; |
| 1033 |
env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
|
| 1034 |
env->tl = env->maxtl; |
| 1035 |
cpu_tsptr(env)->tt = TT_POWER_ON_RESET; |
| 1036 |
env->lsu = 0;
|
| 1037 |
#else
|
| 1038 |
env->mmuregs[0] &= ~(MMU_E | MMU_NF);
|
| 1039 |
env->mmuregs[0] |= env->def->mmu_bm;
|
| 1040 |
#endif
|
| 1041 |
env->pc = 0;
|
| 1042 |
env->npc = env->pc + 4;
|
| 1043 |
#endif
|
| 1044 |
env->cache_control = 0;
|
| 1045 |
} |
| 1046 |
|
| 1047 |
static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model) |
| 1048 |
{
|
| 1049 |
sparc_def_t def1, *def = &def1; |
| 1050 |
|
| 1051 |
if (cpu_sparc_find_by_name(def, cpu_model) < 0) |
| 1052 |
return -1; |
| 1053 |
|
| 1054 |
env->def = qemu_mallocz(sizeof(*def));
|
| 1055 |
memcpy(env->def, def, sizeof(*def));
|
| 1056 |
#if defined(CONFIG_USER_ONLY)
|
| 1057 |
if ((env->def->features & CPU_FEATURE_FLOAT))
|
| 1058 |
env->def->features |= CPU_FEATURE_FLOAT128; |
| 1059 |
#endif
|
| 1060 |
env->cpu_model_str = cpu_model; |
| 1061 |
env->version = def->iu_version; |
| 1062 |
env->fsr = def->fpu_version; |
| 1063 |
env->nwindows = def->nwindows; |
| 1064 |
#if !defined(TARGET_SPARC64)
|
| 1065 |
env->mmuregs[0] |= def->mmu_version;
|
| 1066 |
cpu_sparc_set_id(env, 0);
|
| 1067 |
env->mxccregs[7] |= def->mxcc_version;
|
| 1068 |
#else
|
| 1069 |
env->mmu_version = def->mmu_version; |
| 1070 |
env->maxtl = def->maxtl; |
| 1071 |
env->version |= def->maxtl << 8;
|
| 1072 |
env->version |= def->nwindows - 1;
|
| 1073 |
#endif
|
| 1074 |
return 0; |
| 1075 |
} |
| 1076 |
|
| 1077 |
static void cpu_sparc_close(CPUSPARCState *env) |
| 1078 |
{
|
| 1079 |
free(env->def); |
| 1080 |
free(env); |
| 1081 |
} |
| 1082 |
|
| 1083 |
CPUSPARCState *cpu_sparc_init(const char *cpu_model) |
| 1084 |
{
|
| 1085 |
CPUSPARCState *env; |
| 1086 |
|
| 1087 |
env = qemu_mallocz(sizeof(CPUSPARCState));
|
| 1088 |
cpu_exec_init(env); |
| 1089 |
|
| 1090 |
gen_intermediate_code_init(env); |
| 1091 |
|
| 1092 |
if (cpu_sparc_register(env, cpu_model) < 0) { |
| 1093 |
cpu_sparc_close(env); |
| 1094 |
return NULL; |
| 1095 |
} |
| 1096 |
qemu_init_vcpu(env); |
| 1097 |
|
| 1098 |
return env;
|
| 1099 |
} |
| 1100 |
|
| 1101 |
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu) |
| 1102 |
{
|
| 1103 |
#if !defined(TARGET_SPARC64)
|
| 1104 |
env->mxccregs[7] = ((cpu + 8) & 0xf) << 24; |
| 1105 |
#endif
|
| 1106 |
} |
| 1107 |
|
| 1108 |
static const sparc_def_t sparc_defs[] = { |
| 1109 |
#ifdef TARGET_SPARC64
|
| 1110 |
{
|
| 1111 |
.name = "Fujitsu Sparc64",
|
| 1112 |
.iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)), |
| 1113 |
.fpu_version = 0x00000000,
|
| 1114 |
.mmu_version = mmu_us_12, |
| 1115 |
.nwindows = 4,
|
| 1116 |
.maxtl = 4,
|
| 1117 |
.features = CPU_DEFAULT_FEATURES, |
| 1118 |
}, |
| 1119 |
{
|
| 1120 |
.name = "Fujitsu Sparc64 III",
|
| 1121 |
.iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)), |
| 1122 |
.fpu_version = 0x00000000,
|
| 1123 |
.mmu_version = mmu_us_12, |
| 1124 |
.nwindows = 5,
|
| 1125 |
.maxtl = 4,
|
| 1126 |
.features = CPU_DEFAULT_FEATURES, |
| 1127 |
}, |
| 1128 |
{
|
| 1129 |
.name = "Fujitsu Sparc64 IV",
|
| 1130 |
.iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)), |
| 1131 |
.fpu_version = 0x00000000,
|
| 1132 |
.mmu_version = mmu_us_12, |
| 1133 |
.nwindows = 8,
|
| 1134 |
.maxtl = 5,
|
| 1135 |
.features = CPU_DEFAULT_FEATURES, |
| 1136 |
}, |
| 1137 |
{
|
| 1138 |
.name = "Fujitsu Sparc64 V",
|
| 1139 |
.iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)), |
| 1140 |
.fpu_version = 0x00000000,
|
| 1141 |
.mmu_version = mmu_us_12, |
| 1142 |
.nwindows = 8,
|
| 1143 |
.maxtl = 5,
|
| 1144 |
.features = CPU_DEFAULT_FEATURES, |
| 1145 |
}, |
| 1146 |
{
|
| 1147 |
.name = "TI UltraSparc I",
|
| 1148 |
.iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), |
| 1149 |
.fpu_version = 0x00000000,
|
| 1150 |
.mmu_version = mmu_us_12, |
| 1151 |
.nwindows = 8,
|
| 1152 |
.maxtl = 5,
|
| 1153 |
.features = CPU_DEFAULT_FEATURES, |
| 1154 |
}, |
| 1155 |
{
|
| 1156 |
.name = "TI UltraSparc II",
|
| 1157 |
.iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)), |
| 1158 |
.fpu_version = 0x00000000,
|
| 1159 |
.mmu_version = mmu_us_12, |
| 1160 |
.nwindows = 8,
|
| 1161 |
.maxtl = 5,
|
| 1162 |
.features = CPU_DEFAULT_FEATURES, |
| 1163 |
}, |
| 1164 |
{
|
| 1165 |
.name = "TI UltraSparc IIi",
|
| 1166 |
.iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)), |
| 1167 |
.fpu_version = 0x00000000,
|
| 1168 |
.mmu_version = mmu_us_12, |
| 1169 |
.nwindows = 8,
|
| 1170 |
.maxtl = 5,
|
| 1171 |
.features = CPU_DEFAULT_FEATURES, |
| 1172 |
}, |
| 1173 |
{
|
| 1174 |
.name = "TI UltraSparc IIe",
|
| 1175 |
.iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)), |
| 1176 |
.fpu_version = 0x00000000,
|
| 1177 |
.mmu_version = mmu_us_12, |
| 1178 |
.nwindows = 8,
|
| 1179 |
.maxtl = 5,
|
| 1180 |
.features = CPU_DEFAULT_FEATURES, |
| 1181 |
}, |
| 1182 |
{
|
| 1183 |
.name = "Sun UltraSparc III",
|
| 1184 |
.iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)), |
| 1185 |
.fpu_version = 0x00000000,
|
| 1186 |
.mmu_version = mmu_us_12, |
| 1187 |
.nwindows = 8,
|
| 1188 |
.maxtl = 5,
|
| 1189 |
.features = CPU_DEFAULT_FEATURES, |
| 1190 |
}, |
| 1191 |
{
|
| 1192 |
.name = "Sun UltraSparc III Cu",
|
| 1193 |
.iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)), |
| 1194 |
.fpu_version = 0x00000000,
|
| 1195 |
.mmu_version = mmu_us_3, |
| 1196 |
.nwindows = 8,
|
| 1197 |
.maxtl = 5,
|
| 1198 |
.features = CPU_DEFAULT_FEATURES, |
| 1199 |
}, |
| 1200 |
{
|
| 1201 |
.name = "Sun UltraSparc IIIi",
|
| 1202 |
.iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)), |
| 1203 |
.fpu_version = 0x00000000,
|
| 1204 |
.mmu_version = mmu_us_12, |
| 1205 |
.nwindows = 8,
|
| 1206 |
.maxtl = 5,
|
| 1207 |
.features = CPU_DEFAULT_FEATURES, |
| 1208 |
}, |
| 1209 |
{
|
| 1210 |
.name = "Sun UltraSparc IV",
|
| 1211 |
.iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)), |
| 1212 |
.fpu_version = 0x00000000,
|
| 1213 |
.mmu_version = mmu_us_4, |
| 1214 |
.nwindows = 8,
|
| 1215 |
.maxtl = 5,
|
| 1216 |
.features = CPU_DEFAULT_FEATURES, |
| 1217 |
}, |
| 1218 |
{
|
| 1219 |
.name = "Sun UltraSparc IV+",
|
| 1220 |
.iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)), |
| 1221 |
.fpu_version = 0x00000000,
|
| 1222 |
.mmu_version = mmu_us_12, |
| 1223 |
.nwindows = 8,
|
| 1224 |
.maxtl = 5,
|
| 1225 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT, |
| 1226 |
}, |
| 1227 |
{
|
| 1228 |
.name = "Sun UltraSparc IIIi+",
|
| 1229 |
.iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)), |
| 1230 |
.fpu_version = 0x00000000,
|
| 1231 |
.mmu_version = mmu_us_3, |
| 1232 |
.nwindows = 8,
|
| 1233 |
.maxtl = 5,
|
| 1234 |
.features = CPU_DEFAULT_FEATURES, |
| 1235 |
}, |
| 1236 |
{
|
| 1237 |
.name = "Sun UltraSparc T1",
|
| 1238 |
// defined in sparc_ifu_fdp.v and ctu.h
|
| 1239 |
.iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)), |
| 1240 |
.fpu_version = 0x00000000,
|
| 1241 |
.mmu_version = mmu_sun4v, |
| 1242 |
.nwindows = 8,
|
| 1243 |
.maxtl = 6,
|
| 1244 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT |
| 1245 |
| CPU_FEATURE_GL, |
| 1246 |
}, |
| 1247 |
{
|
| 1248 |
.name = "Sun UltraSparc T2",
|
| 1249 |
// defined in tlu_asi_ctl.v and n2_revid_cust.v
|
| 1250 |
.iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)), |
| 1251 |
.fpu_version = 0x00000000,
|
| 1252 |
.mmu_version = mmu_sun4v, |
| 1253 |
.nwindows = 8,
|
| 1254 |
.maxtl = 6,
|
| 1255 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT |
| 1256 |
| CPU_FEATURE_GL, |
| 1257 |
}, |
| 1258 |
{
|
| 1259 |
.name = "NEC UltraSparc I",
|
| 1260 |
.iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), |
| 1261 |
.fpu_version = 0x00000000,
|
| 1262 |
.mmu_version = mmu_us_12, |
| 1263 |
.nwindows = 8,
|
| 1264 |
.maxtl = 5,
|
| 1265 |
.features = CPU_DEFAULT_FEATURES, |
| 1266 |
}, |
| 1267 |
#else
|
| 1268 |
{
|
| 1269 |
.name = "Fujitsu MB86900",
|
| 1270 |
.iu_version = 0x00 << 24, /* Impl 0, ver 0 */ |
| 1271 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| 1272 |
.mmu_version = 0x00 << 24, /* Impl 0, ver 0 */ |
| 1273 |
.mmu_bm = 0x00004000,
|
| 1274 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1275 |
.mmu_cxr_mask = 0x0000003f,
|
| 1276 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1277 |
.mmu_trcr_mask = 0xffffffff,
|
| 1278 |
.nwindows = 7,
|
| 1279 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD, |
| 1280 |
}, |
| 1281 |
{
|
| 1282 |
.name = "Fujitsu MB86904",
|
| 1283 |
.iu_version = 0x04 << 24, /* Impl 0, ver 4 */ |
| 1284 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| 1285 |
.mmu_version = 0x04 << 24, /* Impl 0, ver 4 */ |
| 1286 |
.mmu_bm = 0x00004000,
|
| 1287 |
.mmu_ctpr_mask = 0x00ffffc0,
|
| 1288 |
.mmu_cxr_mask = 0x000000ff,
|
| 1289 |
.mmu_sfsr_mask = 0x00016fff,
|
| 1290 |
.mmu_trcr_mask = 0x00ffffff,
|
| 1291 |
.nwindows = 8,
|
| 1292 |
.features = CPU_DEFAULT_FEATURES, |
| 1293 |
}, |
| 1294 |
{
|
| 1295 |
.name = "Fujitsu MB86907",
|
| 1296 |
.iu_version = 0x05 << 24, /* Impl 0, ver 5 */ |
| 1297 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| 1298 |
.mmu_version = 0x05 << 24, /* Impl 0, ver 5 */ |
| 1299 |
.mmu_bm = 0x00004000,
|
| 1300 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1301 |
.mmu_cxr_mask = 0x000000ff,
|
| 1302 |
.mmu_sfsr_mask = 0x00016fff,
|
| 1303 |
.mmu_trcr_mask = 0xffffffff,
|
| 1304 |
.nwindows = 8,
|
| 1305 |
.features = CPU_DEFAULT_FEATURES, |
| 1306 |
}, |
| 1307 |
{
|
| 1308 |
.name = "LSI L64811",
|
| 1309 |
.iu_version = 0x10 << 24, /* Impl 1, ver 0 */ |
| 1310 |
.fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */ |
| 1311 |
.mmu_version = 0x10 << 24, |
| 1312 |
.mmu_bm = 0x00004000,
|
| 1313 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1314 |
.mmu_cxr_mask = 0x0000003f,
|
| 1315 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1316 |
.mmu_trcr_mask = 0xffffffff,
|
| 1317 |
.nwindows = 8,
|
| 1318 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| 1319 |
CPU_FEATURE_FSMULD, |
| 1320 |
}, |
| 1321 |
{
|
| 1322 |
.name = "Cypress CY7C601",
|
| 1323 |
.iu_version = 0x11 << 24, /* Impl 1, ver 1 */ |
| 1324 |
.fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */ |
| 1325 |
.mmu_version = 0x10 << 24, |
| 1326 |
.mmu_bm = 0x00004000,
|
| 1327 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1328 |
.mmu_cxr_mask = 0x0000003f,
|
| 1329 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1330 |
.mmu_trcr_mask = 0xffffffff,
|
| 1331 |
.nwindows = 8,
|
| 1332 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| 1333 |
CPU_FEATURE_FSMULD, |
| 1334 |
}, |
| 1335 |
{
|
| 1336 |
.name = "Cypress CY7C611",
|
| 1337 |
.iu_version = 0x13 << 24, /* Impl 1, ver 3 */ |
| 1338 |
.fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */ |
| 1339 |
.mmu_version = 0x10 << 24, |
| 1340 |
.mmu_bm = 0x00004000,
|
| 1341 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1342 |
.mmu_cxr_mask = 0x0000003f,
|
| 1343 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1344 |
.mmu_trcr_mask = 0xffffffff,
|
| 1345 |
.nwindows = 8,
|
| 1346 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| 1347 |
CPU_FEATURE_FSMULD, |
| 1348 |
}, |
| 1349 |
{
|
| 1350 |
.name = "TI MicroSparc I",
|
| 1351 |
.iu_version = 0x41000000,
|
| 1352 |
.fpu_version = 4 << 17, |
| 1353 |
.mmu_version = 0x41000000,
|
| 1354 |
.mmu_bm = 0x00004000,
|
| 1355 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1356 |
.mmu_cxr_mask = 0x0000003f,
|
| 1357 |
.mmu_sfsr_mask = 0x00016fff,
|
| 1358 |
.mmu_trcr_mask = 0x0000003f,
|
| 1359 |
.nwindows = 7,
|
| 1360 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL | |
| 1361 |
CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | |
| 1362 |
CPU_FEATURE_FMUL, |
| 1363 |
}, |
| 1364 |
{
|
| 1365 |
.name = "TI MicroSparc II",
|
| 1366 |
.iu_version = 0x42000000,
|
| 1367 |
.fpu_version = 4 << 17, |
| 1368 |
.mmu_version = 0x02000000,
|
| 1369 |
.mmu_bm = 0x00004000,
|
| 1370 |
.mmu_ctpr_mask = 0x00ffffc0,
|
| 1371 |
.mmu_cxr_mask = 0x000000ff,
|
| 1372 |
.mmu_sfsr_mask = 0x00016fff,
|
| 1373 |
.mmu_trcr_mask = 0x00ffffff,
|
| 1374 |
.nwindows = 8,
|
| 1375 |
.features = CPU_DEFAULT_FEATURES, |
| 1376 |
}, |
| 1377 |
{
|
| 1378 |
.name = "TI MicroSparc IIep",
|
| 1379 |
.iu_version = 0x42000000,
|
| 1380 |
.fpu_version = 4 << 17, |
| 1381 |
.mmu_version = 0x04000000,
|
| 1382 |
.mmu_bm = 0x00004000,
|
| 1383 |
.mmu_ctpr_mask = 0x00ffffc0,
|
| 1384 |
.mmu_cxr_mask = 0x000000ff,
|
| 1385 |
.mmu_sfsr_mask = 0x00016bff,
|
| 1386 |
.mmu_trcr_mask = 0x00ffffff,
|
| 1387 |
.nwindows = 8,
|
| 1388 |
.features = CPU_DEFAULT_FEATURES, |
| 1389 |
}, |
| 1390 |
{
|
| 1391 |
.name = "TI SuperSparc 40", // STP1020NPGA |
| 1392 |
.iu_version = 0x41000000, // SuperSPARC 2.x |
| 1393 |
.fpu_version = 0 << 17, |
| 1394 |
.mmu_version = 0x00000800, // SuperSPARC 2.x, no MXCC |
| 1395 |
.mmu_bm = 0x00002000,
|
| 1396 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1397 |
.mmu_cxr_mask = 0x0000ffff,
|
| 1398 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1399 |
.mmu_trcr_mask = 0xffffffff,
|
| 1400 |
.nwindows = 8,
|
| 1401 |
.features = CPU_DEFAULT_FEATURES, |
| 1402 |
}, |
| 1403 |
{
|
| 1404 |
.name = "TI SuperSparc 50", // STP1020PGA |
| 1405 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
| 1406 |
.fpu_version = 0 << 17, |
| 1407 |
.mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC |
| 1408 |
.mmu_bm = 0x00002000,
|
| 1409 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1410 |
.mmu_cxr_mask = 0x0000ffff,
|
| 1411 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1412 |
.mmu_trcr_mask = 0xffffffff,
|
| 1413 |
.nwindows = 8,
|
| 1414 |
.features = CPU_DEFAULT_FEATURES, |
| 1415 |
}, |
| 1416 |
{
|
| 1417 |
.name = "TI SuperSparc 51",
|
| 1418 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
| 1419 |
.fpu_version = 0 << 17, |
| 1420 |
.mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC |
| 1421 |
.mmu_bm = 0x00002000,
|
| 1422 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1423 |
.mmu_cxr_mask = 0x0000ffff,
|
| 1424 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1425 |
.mmu_trcr_mask = 0xffffffff,
|
| 1426 |
.mxcc_version = 0x00000104,
|
| 1427 |
.nwindows = 8,
|
| 1428 |
.features = CPU_DEFAULT_FEATURES, |
| 1429 |
}, |
| 1430 |
{
|
| 1431 |
.name = "TI SuperSparc 60", // STP1020APGA |
| 1432 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
| 1433 |
.fpu_version = 0 << 17, |
| 1434 |
.mmu_version = 0x01000800, // SuperSPARC 3.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 61",
|
| 1445 |
.iu_version = 0x44000000, // SuperSPARC 3.x |
| 1446 |
.fpu_version = 0 << 17, |
| 1447 |
.mmu_version = 0x01000000, // SuperSPARC 3.x, 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 |
.mxcc_version = 0x00000104,
|
| 1454 |
.nwindows = 8,
|
| 1455 |
.features = CPU_DEFAULT_FEATURES, |
| 1456 |
}, |
| 1457 |
{
|
| 1458 |
.name = "TI SuperSparc II",
|
| 1459 |
.iu_version = 0x40000000, // SuperSPARC II 1.x |
| 1460 |
.fpu_version = 0 << 17, |
| 1461 |
.mmu_version = 0x08000000, // SuperSPARC II 1.x, MXCC |
| 1462 |
.mmu_bm = 0x00002000,
|
| 1463 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1464 |
.mmu_cxr_mask = 0x0000ffff,
|
| 1465 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1466 |
.mmu_trcr_mask = 0xffffffff,
|
| 1467 |
.mxcc_version = 0x00000104,
|
| 1468 |
.nwindows = 8,
|
| 1469 |
.features = CPU_DEFAULT_FEATURES, |
| 1470 |
}, |
| 1471 |
{
|
| 1472 |
.name = "Ross RT625",
|
| 1473 |
.iu_version = 0x1e000000,
|
| 1474 |
.fpu_version = 1 << 17, |
| 1475 |
.mmu_version = 0x1e000000,
|
| 1476 |
.mmu_bm = 0x00004000,
|
| 1477 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1478 |
.mmu_cxr_mask = 0x0000003f,
|
| 1479 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1480 |
.mmu_trcr_mask = 0xffffffff,
|
| 1481 |
.nwindows = 8,
|
| 1482 |
.features = CPU_DEFAULT_FEATURES, |
| 1483 |
}, |
| 1484 |
{
|
| 1485 |
.name = "Ross RT620",
|
| 1486 |
.iu_version = 0x1f000000,
|
| 1487 |
.fpu_version = 1 << 17, |
| 1488 |
.mmu_version = 0x1f000000,
|
| 1489 |
.mmu_bm = 0x00004000,
|
| 1490 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1491 |
.mmu_cxr_mask = 0x0000003f,
|
| 1492 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1493 |
.mmu_trcr_mask = 0xffffffff,
|
| 1494 |
.nwindows = 8,
|
| 1495 |
.features = CPU_DEFAULT_FEATURES, |
| 1496 |
}, |
| 1497 |
{
|
| 1498 |
.name = "BIT B5010",
|
| 1499 |
.iu_version = 0x20000000,
|
| 1500 |
.fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */ |
| 1501 |
.mmu_version = 0x20000000,
|
| 1502 |
.mmu_bm = 0x00004000,
|
| 1503 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1504 |
.mmu_cxr_mask = 0x0000003f,
|
| 1505 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1506 |
.mmu_trcr_mask = 0xffffffff,
|
| 1507 |
.nwindows = 8,
|
| 1508 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| 1509 |
CPU_FEATURE_FSMULD, |
| 1510 |
}, |
| 1511 |
{
|
| 1512 |
.name = "Matsushita MN10501",
|
| 1513 |
.iu_version = 0x50000000,
|
| 1514 |
.fpu_version = 0 << 17, |
| 1515 |
.mmu_version = 0x50000000,
|
| 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_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT | |
| 1523 |
CPU_FEATURE_FSMULD, |
| 1524 |
}, |
| 1525 |
{
|
| 1526 |
.name = "Weitek W8601",
|
| 1527 |
.iu_version = 0x90 << 24, /* Impl 9, ver 0 */ |
| 1528 |
.fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */ |
| 1529 |
.mmu_version = 0x10 << 24, |
| 1530 |
.mmu_bm = 0x00004000,
|
| 1531 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1532 |
.mmu_cxr_mask = 0x0000003f,
|
| 1533 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1534 |
.mmu_trcr_mask = 0xffffffff,
|
| 1535 |
.nwindows = 8,
|
| 1536 |
.features = CPU_DEFAULT_FEATURES, |
| 1537 |
}, |
| 1538 |
{
|
| 1539 |
.name = "LEON2",
|
| 1540 |
.iu_version = 0xf2000000,
|
| 1541 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| 1542 |
.mmu_version = 0xf2000000,
|
| 1543 |
.mmu_bm = 0x00004000,
|
| 1544 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1545 |
.mmu_cxr_mask = 0x0000003f,
|
| 1546 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1547 |
.mmu_trcr_mask = 0xffffffff,
|
| 1548 |
.nwindows = 8,
|
| 1549 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN, |
| 1550 |
}, |
| 1551 |
{
|
| 1552 |
.name = "LEON3",
|
| 1553 |
.iu_version = 0xf3000000,
|
| 1554 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| 1555 |
.mmu_version = 0xf3000000,
|
| 1556 |
.mmu_bm = 0x00000000,
|
| 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_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN | |
| 1563 |
CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL, |
| 1564 |
}, |
| 1565 |
#endif
|
| 1566 |
}; |
| 1567 |
|
| 1568 |
static const char * const feature_name[] = { |
| 1569 |
"float",
|
| 1570 |
"float128",
|
| 1571 |
"swap",
|
| 1572 |
"mul",
|
| 1573 |
"div",
|
| 1574 |
"flush",
|
| 1575 |
"fsqrt",
|
| 1576 |
"fmul",
|
| 1577 |
"vis1",
|
| 1578 |
"vis2",
|
| 1579 |
"fsmuld",
|
| 1580 |
"hypv",
|
| 1581 |
"cmt",
|
| 1582 |
"gl",
|
| 1583 |
}; |
| 1584 |
|
| 1585 |
static void print_features(FILE *f, fprintf_function cpu_fprintf, |
| 1586 |
uint32_t features, const char *prefix) |
| 1587 |
{
|
| 1588 |
unsigned int i; |
| 1589 |
|
| 1590 |
for (i = 0; i < ARRAY_SIZE(feature_name); i++) |
| 1591 |
if (feature_name[i] && (features & (1 << i))) { |
| 1592 |
if (prefix)
|
| 1593 |
(*cpu_fprintf)(f, "%s", prefix);
|
| 1594 |
(*cpu_fprintf)(f, "%s ", feature_name[i]);
|
| 1595 |
} |
| 1596 |
} |
| 1597 |
|
| 1598 |
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features) |
| 1599 |
{
|
| 1600 |
unsigned int i; |
| 1601 |
|
| 1602 |
for (i = 0; i < ARRAY_SIZE(feature_name); i++) |
| 1603 |
if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
|
| 1604 |
*features |= 1 << i;
|
| 1605 |
return;
|
| 1606 |
} |
| 1607 |
fprintf(stderr, "CPU feature %s not found\n", flagname);
|
| 1608 |
} |
| 1609 |
|
| 1610 |
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) |
| 1611 |
{
|
| 1612 |
unsigned int i; |
| 1613 |
const sparc_def_t *def = NULL; |
| 1614 |
char *s = strdup(cpu_model);
|
| 1615 |
char *featurestr, *name = strtok(s, ","); |
| 1616 |
uint32_t plus_features = 0;
|
| 1617 |
uint32_t minus_features = 0;
|
| 1618 |
uint64_t iu_version; |
| 1619 |
uint32_t fpu_version, mmu_version, nwindows; |
| 1620 |
|
| 1621 |
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { |
| 1622 |
if (strcasecmp(name, sparc_defs[i].name) == 0) { |
| 1623 |
def = &sparc_defs[i]; |
| 1624 |
} |
| 1625 |
} |
| 1626 |
if (!def)
|
| 1627 |
goto error;
|
| 1628 |
memcpy(cpu_def, def, sizeof(*def));
|
| 1629 |
|
| 1630 |
featurestr = strtok(NULL, ","); |
| 1631 |
while (featurestr) {
|
| 1632 |
char *val;
|
| 1633 |
|
| 1634 |
if (featurestr[0] == '+') { |
| 1635 |
add_flagname_to_bitmaps(featurestr + 1, &plus_features);
|
| 1636 |
} else if (featurestr[0] == '-') { |
| 1637 |
add_flagname_to_bitmaps(featurestr + 1, &minus_features);
|
| 1638 |
} else if ((val = strchr(featurestr, '='))) { |
| 1639 |
*val = 0; val++;
|
| 1640 |
if (!strcmp(featurestr, "iu_version")) { |
| 1641 |
char *err;
|
| 1642 |
|
| 1643 |
iu_version = strtoll(val, &err, 0);
|
| 1644 |
if (!*val || *err) {
|
| 1645 |
fprintf(stderr, "bad numerical value %s\n", val);
|
| 1646 |
goto error;
|
| 1647 |
} |
| 1648 |
cpu_def->iu_version = iu_version; |
| 1649 |
#ifdef DEBUG_FEATURES
|
| 1650 |
fprintf(stderr, "iu_version %" PRIx64 "\n", iu_version); |
| 1651 |
#endif
|
| 1652 |
} else if (!strcmp(featurestr, "fpu_version")) { |
| 1653 |
char *err;
|
| 1654 |
|
| 1655 |
fpu_version = strtol(val, &err, 0);
|
| 1656 |
if (!*val || *err) {
|
| 1657 |
fprintf(stderr, "bad numerical value %s\n", val);
|
| 1658 |
goto error;
|
| 1659 |
} |
| 1660 |
cpu_def->fpu_version = fpu_version; |
| 1661 |
#ifdef DEBUG_FEATURES
|
| 1662 |
fprintf(stderr, "fpu_version %x\n", fpu_version);
|
| 1663 |
#endif
|
| 1664 |
} else if (!strcmp(featurestr, "mmu_version")) { |
| 1665 |
char *err;
|
| 1666 |
|
| 1667 |
mmu_version = strtol(val, &err, 0);
|
| 1668 |
if (!*val || *err) {
|
| 1669 |
fprintf(stderr, "bad numerical value %s\n", val);
|
| 1670 |
goto error;
|
| 1671 |
} |
| 1672 |
cpu_def->mmu_version = mmu_version; |
| 1673 |
#ifdef DEBUG_FEATURES
|
| 1674 |
fprintf(stderr, "mmu_version %x\n", mmu_version);
|
| 1675 |
#endif
|
| 1676 |
} else if (!strcmp(featurestr, "nwindows")) { |
| 1677 |
char *err;
|
| 1678 |
|
| 1679 |
nwindows = strtol(val, &err, 0);
|
| 1680 |
if (!*val || *err || nwindows > MAX_NWINDOWS ||
|
| 1681 |
nwindows < MIN_NWINDOWS) {
|
| 1682 |
fprintf(stderr, "bad numerical value %s\n", val);
|
| 1683 |
goto error;
|
| 1684 |
} |
| 1685 |
cpu_def->nwindows = nwindows; |
| 1686 |
#ifdef DEBUG_FEATURES
|
| 1687 |
fprintf(stderr, "nwindows %d\n", nwindows);
|
| 1688 |
#endif
|
| 1689 |
} else {
|
| 1690 |
fprintf(stderr, "unrecognized feature %s\n", featurestr);
|
| 1691 |
goto error;
|
| 1692 |
} |
| 1693 |
} else {
|
| 1694 |
fprintf(stderr, "feature string `%s' not in format "
|
| 1695 |
"(+feature|-feature|feature=xyz)\n", featurestr);
|
| 1696 |
goto error;
|
| 1697 |
} |
| 1698 |
featurestr = strtok(NULL, ","); |
| 1699 |
} |
| 1700 |
cpu_def->features |= plus_features; |
| 1701 |
cpu_def->features &= ~minus_features; |
| 1702 |
#ifdef DEBUG_FEATURES
|
| 1703 |
print_features(stderr, fprintf, cpu_def->features, NULL);
|
| 1704 |
#endif
|
| 1705 |
free(s); |
| 1706 |
return 0; |
| 1707 |
|
| 1708 |
error:
|
| 1709 |
free(s); |
| 1710 |
return -1; |
| 1711 |
} |
| 1712 |
|
| 1713 |
void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
|
| 1714 |
{
|
| 1715 |
unsigned int i; |
| 1716 |
|
| 1717 |
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { |
| 1718 |
(*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ", |
| 1719 |
sparc_defs[i].name, |
| 1720 |
sparc_defs[i].iu_version, |
| 1721 |
sparc_defs[i].fpu_version, |
| 1722 |
sparc_defs[i].mmu_version, |
| 1723 |
sparc_defs[i].nwindows); |
| 1724 |
print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES & |
| 1725 |
~sparc_defs[i].features, "-");
|
| 1726 |
print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES & |
| 1727 |
sparc_defs[i].features, "+");
|
| 1728 |
(*cpu_fprintf)(f, "\n");
|
| 1729 |
} |
| 1730 |
(*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
|
| 1731 |
print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
|
| 1732 |
(*cpu_fprintf)(f, "\n");
|
| 1733 |
(*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
|
| 1734 |
print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
|
| 1735 |
(*cpu_fprintf)(f, "\n");
|
| 1736 |
(*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
|
| 1737 |
"fpu_version mmu_version nwindows\n");
|
| 1738 |
} |
| 1739 |
|
| 1740 |
static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf, |
| 1741 |
uint32_t cc) |
| 1742 |
{
|
| 1743 |
cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG? 'N' : '-', |
| 1744 |
cc & PSR_ZERO? 'Z' : '-', cc & PSR_OVF? 'V' : '-', |
| 1745 |
cc & PSR_CARRY? 'C' : '-'); |
| 1746 |
} |
| 1747 |
|
| 1748 |
#ifdef TARGET_SPARC64
|
| 1749 |
#define REGS_PER_LINE 4 |
| 1750 |
#else
|
| 1751 |
#define REGS_PER_LINE 8 |
| 1752 |
#endif
|
| 1753 |
|
| 1754 |
void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
|
| 1755 |
int flags)
|
| 1756 |
{
|
| 1757 |
int i, x;
|
| 1758 |
|
| 1759 |
cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, |
| 1760 |
env->npc); |
| 1761 |
cpu_fprintf(f, "General Registers:\n");
|
| 1762 |
|
| 1763 |
for (i = 0; i < 8; i++) { |
| 1764 |
if (i % REGS_PER_LINE == 0) { |
| 1765 |
cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1); |
| 1766 |
} |
| 1767 |
cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
|
| 1768 |
if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { |
| 1769 |
cpu_fprintf(f, "\n");
|
| 1770 |
} |
| 1771 |
} |
| 1772 |
cpu_fprintf(f, "\nCurrent Register Window:\n");
|
| 1773 |
for (x = 0; x < 3; x++) { |
| 1774 |
for (i = 0; i < 8; i++) { |
| 1775 |
if (i % REGS_PER_LINE == 0) { |
| 1776 |
cpu_fprintf(f, "%%%c%d-%d: ",
|
| 1777 |
x == 0 ? 'o' : (x == 1 ? 'l' : 'i'), |
| 1778 |
i, i + REGS_PER_LINE - 1);
|
| 1779 |
} |
| 1780 |
cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]); |
| 1781 |
if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { |
| 1782 |
cpu_fprintf(f, "\n");
|
| 1783 |
} |
| 1784 |
} |
| 1785 |
} |
| 1786 |
cpu_fprintf(f, "\nFloating Point Registers:\n");
|
| 1787 |
for (i = 0; i < TARGET_FPREGS; i++) { |
| 1788 |
if ((i & 3) == 0) |
| 1789 |
cpu_fprintf(f, "%%f%02d:", i);
|
| 1790 |
cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]); |
| 1791 |
if ((i & 3) == 3) |
| 1792 |
cpu_fprintf(f, "\n");
|
| 1793 |
} |
| 1794 |
#ifdef TARGET_SPARC64
|
| 1795 |
cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
|
| 1796 |
(unsigned)cpu_get_ccr(env));
|
| 1797 |
cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT); |
| 1798 |
cpu_fprintf(f, " xcc: ");
|
| 1799 |
cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
|
| 1800 |
cpu_fprintf(f, ") asi: %02x tl: %d pil: %x\n", env->asi, env->tl,
|
| 1801 |
env->psrpil); |
| 1802 |
cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
|
| 1803 |
"cleanwin: %d cwp: %d\n",
|
| 1804 |
env->cansave, env->canrestore, env->otherwin, env->wstate, |
| 1805 |
env->cleanwin, env->nwindows - 1 - env->cwp);
|
| 1806 |
cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: " |
| 1807 |
TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
|
| 1808 |
#else
|
| 1809 |
cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
|
| 1810 |
cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env)); |
| 1811 |
cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs? 'S' : '-', |
| 1812 |
env->psrps? 'P' : '-', env->psret? 'E' : '-', |
| 1813 |
env->wim); |
| 1814 |
cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n", |
| 1815 |
env->fsr, env->y); |
| 1816 |
#endif
|
| 1817 |
} |