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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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#include <signal.h> |
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|
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#include "cpu.h" |
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#include "exec-all.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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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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/* thread support */
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static spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED;
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|
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void cpu_lock(void) |
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{
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spin_lock(&global_cpu_lock); |
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} |
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|
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void cpu_unlock(void) |
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{
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spin_unlock(&global_cpu_lock); |
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} |
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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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{
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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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target_ulong virt_addr; |
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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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virt_addr = address & TARGET_PAGE_MASK; |
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|
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if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */ |
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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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virt_addr = address & TARGET_PAGE_MASK; |
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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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break;
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case 2: /* L2 PTE */ |
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virt_addr = address & ~0x3ffff;
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page_offset = address & 0x3ffff;
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} |
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break;
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case 2: /* L1 PTE */ |
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virt_addr = address & ~0xffffff;
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page_offset = address & 0xffffff;
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} |
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} |
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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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/* 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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/* 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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|
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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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int error_code = 0, prot, ret = 0, 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); |
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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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ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu); |
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return ret;
|
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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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ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu); |
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return ret;
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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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/* 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); |
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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 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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} |
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|
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#ifdef DEBUG_MMU
|
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void dump_mmu(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; |
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|
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printf("MMU dump:\n");
|
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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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printf("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) { |
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pde = mmu_probe(env, va, 2);
|
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if (pde) {
|
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pa = cpu_get_phys_page_debug(env, va); |
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printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx |
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" PDE: " TARGET_FMT_lx "\n", va, pa, pde); |
| 347 |
for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) { |
| 348 |
pde = mmu_probe(env, va1, 1);
|
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if (pde) {
|
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pa = cpu_get_phys_page_debug(env, va1); |
| 351 |
printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx |
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" PDE: " TARGET_FMT_lx "\n", va1, pa, pde); |
| 353 |
for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) { |
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pde = mmu_probe(env, va2, 0);
|
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if (pde) {
|
| 356 |
pa = cpu_get_phys_page_debug(env, va2); |
| 357 |
printf(" VA: " TARGET_FMT_lx ", PA: " |
| 358 |
TARGET_FMT_plx " PTE: " TARGET_FMT_lx "\n", |
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va2, pa, pde); |
| 360 |
} |
| 361 |
} |
| 362 |
} |
| 363 |
} |
| 364 |
} |
| 365 |
} |
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printf("MMU dump ends\n");
|
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} |
| 368 |
#endif /* DEBUG_MMU */ |
| 369 |
|
| 370 |
#else /* !TARGET_SPARC64 */ |
| 371 |
|
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// 41 bit physical address space
|
| 373 |
static inline target_phys_addr_t ultrasparc_truncate_physical(uint64_t x) |
| 374 |
{
|
| 375 |
return x & 0x1ffffffffffULL; |
| 376 |
} |
| 377 |
|
| 378 |
/*
|
| 379 |
* UltraSparc IIi I/DMMUs
|
| 380 |
*/
|
| 381 |
|
| 382 |
static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask) |
| 383 |
{
|
| 384 |
return (x & mask) == (y & mask);
|
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} |
| 386 |
|
| 387 |
// Returns true if TTE tag is valid and matches virtual address value in context
|
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// requires virtual address mask value calculated from TTE entry size
|
| 389 |
static inline int ultrasparc_tag_match(uint64_t tlb_tag, uint64_t tlb_tte, |
| 390 |
uint64_t address, uint64_t context, |
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target_phys_addr_t *physical) |
| 392 |
{
|
| 393 |
uint64_t mask; |
| 394 |
|
| 395 |
switch ((tlb_tte >> 61) & 3) { |
| 396 |
default:
|
| 397 |
case 0x0: // 8k |
| 398 |
mask = 0xffffffffffffe000ULL;
|
| 399 |
break;
|
| 400 |
case 0x1: // 64k |
| 401 |
mask = 0xffffffffffff0000ULL;
|
| 402 |
break;
|
| 403 |
case 0x2: // 512k |
| 404 |
mask = 0xfffffffffff80000ULL;
|
| 405 |
break;
|
| 406 |
case 0x3: // 4M |
| 407 |
mask = 0xffffffffffc00000ULL;
|
| 408 |
break;
|
| 409 |
} |
| 410 |
|
| 411 |
// valid, context match, virtual address match?
|
| 412 |
if ((tlb_tte & 0x8000000000000000ULL) && |
| 413 |
compare_masked(context, tlb_tag, 0x1fff) &&
|
| 414 |
compare_masked(address, tlb_tag, mask)) |
| 415 |
{
|
| 416 |
// decode physical address
|
| 417 |
*physical = ((tlb_tte & mask) | (address & ~mask)) & 0x1ffffffe000ULL;
|
| 418 |
return 1; |
| 419 |
} |
| 420 |
|
| 421 |
return 0; |
| 422 |
} |
| 423 |
|
| 424 |
static int get_physical_address_data(CPUState *env, |
| 425 |
target_phys_addr_t *physical, int *prot,
|
| 426 |
target_ulong address, int rw, int is_user) |
| 427 |
{
|
| 428 |
unsigned int i; |
| 429 |
uint64_t context; |
| 430 |
|
| 431 |
if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */ |
| 432 |
*physical = ultrasparc_truncate_physical(address); |
| 433 |
*prot = PAGE_READ | PAGE_WRITE; |
| 434 |
return 0; |
| 435 |
} |
| 436 |
|
| 437 |
context = env->dmmuregs[1] & 0x1fff; |
| 438 |
|
| 439 |
for (i = 0; i < 64; i++) { |
| 440 |
// ctx match, vaddr match, valid?
|
| 441 |
if (ultrasparc_tag_match(env->dtlb_tag[i], env->dtlb_tte[i],
|
| 442 |
address, context, physical) |
| 443 |
) {
|
| 444 |
// access ok?
|
| 445 |
if (((env->dtlb_tte[i] & 0x4) && is_user) || |
| 446 |
(!(env->dtlb_tte[i] & 0x2) && (rw == 1))) { |
| 447 |
if (env->dmmuregs[3]) /* Fault status register */ |
| 448 |
env->dmmuregs[3] = 2; /* overflow (not read before |
| 449 |
another fault) */
|
| 450 |
env->dmmuregs[3] |= (is_user << 3) | ((rw == 1) << 2) | 1; |
| 451 |
env->dmmuregs[4] = address; /* Fault address register */ |
| 452 |
env->exception_index = TT_DFAULT; |
| 453 |
#ifdef DEBUG_MMU
|
| 454 |
printf("DFAULT at 0x%" PRIx64 "\n", address); |
| 455 |
#endif
|
| 456 |
return 1; |
| 457 |
} |
| 458 |
*prot = PAGE_READ; |
| 459 |
if (env->dtlb_tte[i] & 0x2) |
| 460 |
*prot |= PAGE_WRITE; |
| 461 |
return 0; |
| 462 |
} |
| 463 |
} |
| 464 |
#ifdef DEBUG_MMU
|
| 465 |
printf("DMISS at 0x%" PRIx64 "\n", address); |
| 466 |
#endif
|
| 467 |
env->dmmuregs[6] = (address & ~0x1fffULL) | context; |
| 468 |
env->exception_index = TT_DMISS; |
| 469 |
return 1; |
| 470 |
} |
| 471 |
|
| 472 |
static int get_physical_address_code(CPUState *env, |
| 473 |
target_phys_addr_t *physical, int *prot,
|
| 474 |
target_ulong address, int is_user)
|
| 475 |
{
|
| 476 |
unsigned int i; |
| 477 |
uint64_t context; |
| 478 |
|
| 479 |
if ((env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0) { |
| 480 |
/* IMMU disabled */
|
| 481 |
*physical = ultrasparc_truncate_physical(address); |
| 482 |
*prot = PAGE_EXEC; |
| 483 |
return 0; |
| 484 |
} |
| 485 |
|
| 486 |
context = env->dmmuregs[1] & 0x1fff; |
| 487 |
|
| 488 |
for (i = 0; i < 64; i++) { |
| 489 |
// ctx match, vaddr match, valid?
|
| 490 |
if (ultrasparc_tag_match(env->itlb_tag[i], env->itlb_tte[i],
|
| 491 |
address, context, physical) |
| 492 |
) {
|
| 493 |
// access ok?
|
| 494 |
if ((env->itlb_tte[i] & 0x4) && is_user) { |
| 495 |
if (env->immuregs[3]) /* Fault status register */ |
| 496 |
env->immuregs[3] = 2; /* overflow (not read before |
| 497 |
another fault) */
|
| 498 |
env->immuregs[3] |= (is_user << 3) | 1; |
| 499 |
env->exception_index = TT_TFAULT; |
| 500 |
#ifdef DEBUG_MMU
|
| 501 |
printf("TFAULT at 0x%" PRIx64 "\n", address); |
| 502 |
#endif
|
| 503 |
return 1; |
| 504 |
} |
| 505 |
*prot = PAGE_EXEC; |
| 506 |
return 0; |
| 507 |
} |
| 508 |
} |
| 509 |
#ifdef DEBUG_MMU
|
| 510 |
printf("TMISS at 0x%" PRIx64 "\n", address); |
| 511 |
#endif
|
| 512 |
/* Context is stored in DMMU (dmmuregs[1]) also for IMMU */
|
| 513 |
env->immuregs[6] = (address & ~0x1fffULL) | context; |
| 514 |
env->exception_index = TT_TMISS; |
| 515 |
return 1; |
| 516 |
} |
| 517 |
|
| 518 |
static int get_physical_address(CPUState *env, target_phys_addr_t *physical, |
| 519 |
int *prot, int *access_index, |
| 520 |
target_ulong address, int rw, int mmu_idx) |
| 521 |
{
|
| 522 |
int is_user = mmu_idx == MMU_USER_IDX;
|
| 523 |
|
| 524 |
if (rw == 2) |
| 525 |
return get_physical_address_code(env, physical, prot, address,
|
| 526 |
is_user); |
| 527 |
else
|
| 528 |
return get_physical_address_data(env, physical, prot, address, rw,
|
| 529 |
is_user); |
| 530 |
} |
| 531 |
|
| 532 |
/* Perform address translation */
|
| 533 |
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
| 534 |
int mmu_idx, int is_softmmu) |
| 535 |
{
|
| 536 |
target_ulong virt_addr, vaddr; |
| 537 |
target_phys_addr_t paddr; |
| 538 |
int error_code = 0, prot, ret = 0, access_index; |
| 539 |
|
| 540 |
error_code = get_physical_address(env, &paddr, &prot, &access_index, |
| 541 |
address, rw, mmu_idx); |
| 542 |
if (error_code == 0) { |
| 543 |
virt_addr = address & TARGET_PAGE_MASK; |
| 544 |
vaddr = virt_addr + ((address & TARGET_PAGE_MASK) & |
| 545 |
(TARGET_PAGE_SIZE - 1));
|
| 546 |
#ifdef DEBUG_MMU
|
| 547 |
printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64 |
| 548 |
"\n", address, paddr, vaddr);
|
| 549 |
#endif
|
| 550 |
ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu); |
| 551 |
return ret;
|
| 552 |
} |
| 553 |
// XXX
|
| 554 |
return 1; |
| 555 |
} |
| 556 |
|
| 557 |
#ifdef DEBUG_MMU
|
| 558 |
void dump_mmu(CPUState *env)
|
| 559 |
{
|
| 560 |
unsigned int i; |
| 561 |
const char *mask; |
| 562 |
|
| 563 |
printf("MMU contexts: Primary: %" PRId64 ", Secondary: %" PRId64 "\n", |
| 564 |
env->dmmuregs[1], env->dmmuregs[2]); |
| 565 |
if ((env->lsu & DMMU_E) == 0) { |
| 566 |
printf("DMMU disabled\n");
|
| 567 |
} else {
|
| 568 |
printf("DMMU dump:\n");
|
| 569 |
for (i = 0; i < 64; i++) { |
| 570 |
switch ((env->dtlb_tte[i] >> 61) & 3) { |
| 571 |
default:
|
| 572 |
case 0x0: |
| 573 |
mask = " 8k";
|
| 574 |
break;
|
| 575 |
case 0x1: |
| 576 |
mask = " 64k";
|
| 577 |
break;
|
| 578 |
case 0x2: |
| 579 |
mask = "512k";
|
| 580 |
break;
|
| 581 |
case 0x3: |
| 582 |
mask = " 4M";
|
| 583 |
break;
|
| 584 |
} |
| 585 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) { |
| 586 |
printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx |
| 587 |
", %s, %s, %s, %s, ctx %" PRId64 "\n", |
| 588 |
env->dtlb_tag[i] & ~0x1fffULL,
|
| 589 |
env->dtlb_tte[i] & 0x1ffffffe000ULL,
|
| 590 |
mask, |
| 591 |
env->dtlb_tte[i] & 0x4? "priv": "user", |
| 592 |
env->dtlb_tte[i] & 0x2? "RW": "RO", |
| 593 |
env->dtlb_tte[i] & 0x40? "locked": "unlocked", |
| 594 |
env->dtlb_tag[i] & 0x1fffULL);
|
| 595 |
} |
| 596 |
} |
| 597 |
} |
| 598 |
if ((env->lsu & IMMU_E) == 0) { |
| 599 |
printf("IMMU disabled\n");
|
| 600 |
} else {
|
| 601 |
printf("IMMU dump:\n");
|
| 602 |
for (i = 0; i < 64; i++) { |
| 603 |
switch ((env->itlb_tte[i] >> 61) & 3) { |
| 604 |
default:
|
| 605 |
case 0x0: |
| 606 |
mask = " 8k";
|
| 607 |
break;
|
| 608 |
case 0x1: |
| 609 |
mask = " 64k";
|
| 610 |
break;
|
| 611 |
case 0x2: |
| 612 |
mask = "512k";
|
| 613 |
break;
|
| 614 |
case 0x3: |
| 615 |
mask = " 4M";
|
| 616 |
break;
|
| 617 |
} |
| 618 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) { |
| 619 |
printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx |
| 620 |
", %s, %s, %s, ctx %" PRId64 "\n", |
| 621 |
env->itlb_tag[i] & ~0x1fffULL,
|
| 622 |
env->itlb_tte[i] & 0x1ffffffe000ULL,
|
| 623 |
mask, |
| 624 |
env->itlb_tte[i] & 0x4? "priv": "user", |
| 625 |
env->itlb_tte[i] & 0x40? "locked": "unlocked", |
| 626 |
env->itlb_tag[i] & 0x1fffULL);
|
| 627 |
} |
| 628 |
} |
| 629 |
} |
| 630 |
} |
| 631 |
#endif /* DEBUG_MMU */ |
| 632 |
|
| 633 |
#endif /* TARGET_SPARC64 */ |
| 634 |
#endif /* !CONFIG_USER_ONLY */ |
| 635 |
|
| 636 |
|
| 637 |
#if defined(CONFIG_USER_ONLY)
|
| 638 |
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
| 639 |
{
|
| 640 |
return addr;
|
| 641 |
} |
| 642 |
|
| 643 |
#else
|
| 644 |
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
| 645 |
{
|
| 646 |
target_phys_addr_t phys_addr; |
| 647 |
int prot, access_index;
|
| 648 |
|
| 649 |
if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2, |
| 650 |
MMU_KERNEL_IDX) != 0)
|
| 651 |
if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
|
| 652 |
0, MMU_KERNEL_IDX) != 0) |
| 653 |
return -1; |
| 654 |
if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
|
| 655 |
return -1; |
| 656 |
return phys_addr;
|
| 657 |
} |
| 658 |
#endif
|
| 659 |
|
| 660 |
void cpu_reset(CPUSPARCState *env)
|
| 661 |
{
|
| 662 |
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
| 663 |
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
| 664 |
log_cpu_state(env, 0);
|
| 665 |
} |
| 666 |
|
| 667 |
tlb_flush(env, 1);
|
| 668 |
env->cwp = 0;
|
| 669 |
#ifndef TARGET_SPARC64
|
| 670 |
env->wim = 1;
|
| 671 |
#endif
|
| 672 |
env->regwptr = env->regbase + (env->cwp * 16);
|
| 673 |
#if defined(CONFIG_USER_ONLY)
|
| 674 |
#ifdef TARGET_SPARC64
|
| 675 |
env->cleanwin = env->nwindows - 2;
|
| 676 |
env->cansave = env->nwindows - 2;
|
| 677 |
env->pstate = PS_RMO | PS_PEF | PS_IE; |
| 678 |
env->asi = 0x82; // Primary no-fault |
| 679 |
#endif
|
| 680 |
#else
|
| 681 |
#if !defined(TARGET_SPARC64)
|
| 682 |
env->psret = 0;
|
| 683 |
#endif
|
| 684 |
env->psrs = 1;
|
| 685 |
env->psrps = 1;
|
| 686 |
CC_OP = CC_OP_FLAGS; |
| 687 |
#ifdef TARGET_SPARC64
|
| 688 |
env->pstate = PS_PRIV; |
| 689 |
env->hpstate = HS_PRIV; |
| 690 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
| 691 |
env->lsu = 0;
|
| 692 |
#else
|
| 693 |
env->mmuregs[0] &= ~(MMU_E | MMU_NF);
|
| 694 |
env->mmuregs[0] |= env->def->mmu_bm;
|
| 695 |
#endif
|
| 696 |
env->pc = 0;
|
| 697 |
env->npc = env->pc + 4;
|
| 698 |
#endif
|
| 699 |
} |
| 700 |
|
| 701 |
static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model) |
| 702 |
{
|
| 703 |
sparc_def_t def1, *def = &def1; |
| 704 |
|
| 705 |
if (cpu_sparc_find_by_name(def, cpu_model) < 0) |
| 706 |
return -1; |
| 707 |
|
| 708 |
env->def = qemu_mallocz(sizeof(*def));
|
| 709 |
memcpy(env->def, def, sizeof(*def));
|
| 710 |
#if defined(CONFIG_USER_ONLY)
|
| 711 |
if ((env->def->features & CPU_FEATURE_FLOAT))
|
| 712 |
env->def->features |= CPU_FEATURE_FLOAT128; |
| 713 |
#endif
|
| 714 |
env->cpu_model_str = cpu_model; |
| 715 |
env->version = def->iu_version; |
| 716 |
env->fsr = def->fpu_version; |
| 717 |
env->nwindows = def->nwindows; |
| 718 |
#if !defined(TARGET_SPARC64)
|
| 719 |
env->mmuregs[0] |= def->mmu_version;
|
| 720 |
cpu_sparc_set_id(env, 0);
|
| 721 |
env->mxccregs[7] |= def->mxcc_version;
|
| 722 |
#else
|
| 723 |
env->mmu_version = def->mmu_version; |
| 724 |
env->maxtl = def->maxtl; |
| 725 |
env->version |= def->maxtl << 8;
|
| 726 |
env->version |= def->nwindows - 1;
|
| 727 |
#endif
|
| 728 |
return 0; |
| 729 |
} |
| 730 |
|
| 731 |
static void cpu_sparc_close(CPUSPARCState *env) |
| 732 |
{
|
| 733 |
free(env->def); |
| 734 |
free(env); |
| 735 |
} |
| 736 |
|
| 737 |
CPUSPARCState *cpu_sparc_init(const char *cpu_model) |
| 738 |
{
|
| 739 |
CPUSPARCState *env; |
| 740 |
|
| 741 |
env = qemu_mallocz(sizeof(CPUSPARCState));
|
| 742 |
cpu_exec_init(env); |
| 743 |
|
| 744 |
gen_intermediate_code_init(env); |
| 745 |
|
| 746 |
if (cpu_sparc_register(env, cpu_model) < 0) { |
| 747 |
cpu_sparc_close(env); |
| 748 |
return NULL; |
| 749 |
} |
| 750 |
cpu_reset(env); |
| 751 |
qemu_init_vcpu(env); |
| 752 |
|
| 753 |
return env;
|
| 754 |
} |
| 755 |
|
| 756 |
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu) |
| 757 |
{
|
| 758 |
#if !defined(TARGET_SPARC64)
|
| 759 |
env->mxccregs[7] = ((cpu + 8) & 0xf) << 24; |
| 760 |
#endif
|
| 761 |
} |
| 762 |
|
| 763 |
static const sparc_def_t sparc_defs[] = { |
| 764 |
#ifdef TARGET_SPARC64
|
| 765 |
{
|
| 766 |
.name = "Fujitsu Sparc64",
|
| 767 |
.iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)), |
| 768 |
.fpu_version = 0x00000000,
|
| 769 |
.mmu_version = mmu_us_12, |
| 770 |
.nwindows = 4,
|
| 771 |
.maxtl = 4,
|
| 772 |
.features = CPU_DEFAULT_FEATURES, |
| 773 |
}, |
| 774 |
{
|
| 775 |
.name = "Fujitsu Sparc64 III",
|
| 776 |
.iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)), |
| 777 |
.fpu_version = 0x00000000,
|
| 778 |
.mmu_version = mmu_us_12, |
| 779 |
.nwindows = 5,
|
| 780 |
.maxtl = 4,
|
| 781 |
.features = CPU_DEFAULT_FEATURES, |
| 782 |
}, |
| 783 |
{
|
| 784 |
.name = "Fujitsu Sparc64 IV",
|
| 785 |
.iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)), |
| 786 |
.fpu_version = 0x00000000,
|
| 787 |
.mmu_version = mmu_us_12, |
| 788 |
.nwindows = 8,
|
| 789 |
.maxtl = 5,
|
| 790 |
.features = CPU_DEFAULT_FEATURES, |
| 791 |
}, |
| 792 |
{
|
| 793 |
.name = "Fujitsu Sparc64 V",
|
| 794 |
.iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)), |
| 795 |
.fpu_version = 0x00000000,
|
| 796 |
.mmu_version = mmu_us_12, |
| 797 |
.nwindows = 8,
|
| 798 |
.maxtl = 5,
|
| 799 |
.features = CPU_DEFAULT_FEATURES, |
| 800 |
}, |
| 801 |
{
|
| 802 |
.name = "TI UltraSparc I",
|
| 803 |
.iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), |
| 804 |
.fpu_version = 0x00000000,
|
| 805 |
.mmu_version = mmu_us_12, |
| 806 |
.nwindows = 8,
|
| 807 |
.maxtl = 5,
|
| 808 |
.features = CPU_DEFAULT_FEATURES, |
| 809 |
}, |
| 810 |
{
|
| 811 |
.name = "TI UltraSparc II",
|
| 812 |
.iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)), |
| 813 |
.fpu_version = 0x00000000,
|
| 814 |
.mmu_version = mmu_us_12, |
| 815 |
.nwindows = 8,
|
| 816 |
.maxtl = 5,
|
| 817 |
.features = CPU_DEFAULT_FEATURES, |
| 818 |
}, |
| 819 |
{
|
| 820 |
.name = "TI UltraSparc IIi",
|
| 821 |
.iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)), |
| 822 |
.fpu_version = 0x00000000,
|
| 823 |
.mmu_version = mmu_us_12, |
| 824 |
.nwindows = 8,
|
| 825 |
.maxtl = 5,
|
| 826 |
.features = CPU_DEFAULT_FEATURES, |
| 827 |
}, |
| 828 |
{
|
| 829 |
.name = "TI UltraSparc IIe",
|
| 830 |
.iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)), |
| 831 |
.fpu_version = 0x00000000,
|
| 832 |
.mmu_version = mmu_us_12, |
| 833 |
.nwindows = 8,
|
| 834 |
.maxtl = 5,
|
| 835 |
.features = CPU_DEFAULT_FEATURES, |
| 836 |
}, |
| 837 |
{
|
| 838 |
.name = "Sun UltraSparc III",
|
| 839 |
.iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)), |
| 840 |
.fpu_version = 0x00000000,
|
| 841 |
.mmu_version = mmu_us_12, |
| 842 |
.nwindows = 8,
|
| 843 |
.maxtl = 5,
|
| 844 |
.features = CPU_DEFAULT_FEATURES, |
| 845 |
}, |
| 846 |
{
|
| 847 |
.name = "Sun UltraSparc III Cu",
|
| 848 |
.iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)), |
| 849 |
.fpu_version = 0x00000000,
|
| 850 |
.mmu_version = mmu_us_3, |
| 851 |
.nwindows = 8,
|
| 852 |
.maxtl = 5,
|
| 853 |
.features = CPU_DEFAULT_FEATURES, |
| 854 |
}, |
| 855 |
{
|
| 856 |
.name = "Sun UltraSparc IIIi",
|
| 857 |
.iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)), |
| 858 |
.fpu_version = 0x00000000,
|
| 859 |
.mmu_version = mmu_us_12, |
| 860 |
.nwindows = 8,
|
| 861 |
.maxtl = 5,
|
| 862 |
.features = CPU_DEFAULT_FEATURES, |
| 863 |
}, |
| 864 |
{
|
| 865 |
.name = "Sun UltraSparc IV",
|
| 866 |
.iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)), |
| 867 |
.fpu_version = 0x00000000,
|
| 868 |
.mmu_version = mmu_us_4, |
| 869 |
.nwindows = 8,
|
| 870 |
.maxtl = 5,
|
| 871 |
.features = CPU_DEFAULT_FEATURES, |
| 872 |
}, |
| 873 |
{
|
| 874 |
.name = "Sun UltraSparc IV+",
|
| 875 |
.iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)), |
| 876 |
.fpu_version = 0x00000000,
|
| 877 |
.mmu_version = mmu_us_12, |
| 878 |
.nwindows = 8,
|
| 879 |
.maxtl = 5,
|
| 880 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT, |
| 881 |
}, |
| 882 |
{
|
| 883 |
.name = "Sun UltraSparc IIIi+",
|
| 884 |
.iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)), |
| 885 |
.fpu_version = 0x00000000,
|
| 886 |
.mmu_version = mmu_us_3, |
| 887 |
.nwindows = 8,
|
| 888 |
.maxtl = 5,
|
| 889 |
.features = CPU_DEFAULT_FEATURES, |
| 890 |
}, |
| 891 |
{
|
| 892 |
.name = "Sun UltraSparc T1",
|
| 893 |
// defined in sparc_ifu_fdp.v and ctu.h
|
| 894 |
.iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)), |
| 895 |
.fpu_version = 0x00000000,
|
| 896 |
.mmu_version = mmu_sun4v, |
| 897 |
.nwindows = 8,
|
| 898 |
.maxtl = 6,
|
| 899 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT |
| 900 |
| CPU_FEATURE_GL, |
| 901 |
}, |
| 902 |
{
|
| 903 |
.name = "Sun UltraSparc T2",
|
| 904 |
// defined in tlu_asi_ctl.v and n2_revid_cust.v
|
| 905 |
.iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)), |
| 906 |
.fpu_version = 0x00000000,
|
| 907 |
.mmu_version = mmu_sun4v, |
| 908 |
.nwindows = 8,
|
| 909 |
.maxtl = 6,
|
| 910 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT |
| 911 |
| CPU_FEATURE_GL, |
| 912 |
}, |
| 913 |
{
|
| 914 |
.name = "NEC UltraSparc I",
|
| 915 |
.iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), |
| 916 |
.fpu_version = 0x00000000,
|
| 917 |
.mmu_version = mmu_us_12, |
| 918 |
.nwindows = 8,
|
| 919 |
.maxtl = 5,
|
| 920 |
.features = CPU_DEFAULT_FEATURES, |
| 921 |
}, |
| 922 |
#else
|
| 923 |
{
|
| 924 |
.name = "Fujitsu MB86900",
|
| 925 |
.iu_version = 0x00 << 24, /* Impl 0, ver 0 */ |
| 926 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| 927 |
.mmu_version = 0x00 << 24, /* Impl 0, ver 0 */ |
| 928 |
.mmu_bm = 0x00004000,
|
| 929 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 930 |
.mmu_cxr_mask = 0x0000003f,
|
| 931 |
.mmu_sfsr_mask = 0xffffffff,
|
| 932 |
.mmu_trcr_mask = 0xffffffff,
|
| 933 |
.nwindows = 7,
|
| 934 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD, |
| 935 |
}, |
| 936 |
{
|
| 937 |
.name = "Fujitsu MB86904",
|
| 938 |
.iu_version = 0x04 << 24, /* Impl 0, ver 4 */ |
| 939 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| 940 |
.mmu_version = 0x04 << 24, /* Impl 0, ver 4 */ |
| 941 |
.mmu_bm = 0x00004000,
|
| 942 |
.mmu_ctpr_mask = 0x00ffffc0,
|
| 943 |
.mmu_cxr_mask = 0x000000ff,
|
| 944 |
.mmu_sfsr_mask = 0x00016fff,
|
| 945 |
.mmu_trcr_mask = 0x00ffffff,
|
| 946 |
.nwindows = 8,
|
| 947 |
.features = CPU_DEFAULT_FEATURES, |
| 948 |
}, |
| 949 |
{
|
| 950 |
.name = "Fujitsu MB86907",
|
| 951 |
.iu_version = 0x05 << 24, /* Impl 0, ver 5 */ |
| 952 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| 953 |
.mmu_version = 0x05 << 24, /* Impl 0, ver 5 */ |
| 954 |
.mmu_bm = 0x00004000,
|
| 955 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 956 |
.mmu_cxr_mask = 0x000000ff,
|
| 957 |
.mmu_sfsr_mask = 0x00016fff,
|
| 958 |
.mmu_trcr_mask = 0xffffffff,
|
| 959 |
.nwindows = 8,
|
| 960 |
.features = CPU_DEFAULT_FEATURES, |
| 961 |
}, |
| 962 |
{
|
| 963 |
.name = "LSI L64811",
|
| 964 |
.iu_version = 0x10 << 24, /* Impl 1, ver 0 */ |
| 965 |
.fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */ |
| 966 |
.mmu_version = 0x10 << 24, |
| 967 |
.mmu_bm = 0x00004000,
|
| 968 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 969 |
.mmu_cxr_mask = 0x0000003f,
|
| 970 |
.mmu_sfsr_mask = 0xffffffff,
|
| 971 |
.mmu_trcr_mask = 0xffffffff,
|
| 972 |
.nwindows = 8,
|
| 973 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| 974 |
CPU_FEATURE_FSMULD, |
| 975 |
}, |
| 976 |
{
|
| 977 |
.name = "Cypress CY7C601",
|
| 978 |
.iu_version = 0x11 << 24, /* Impl 1, ver 1 */ |
| 979 |
.fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */ |
| 980 |
.mmu_version = 0x10 << 24, |
| 981 |
.mmu_bm = 0x00004000,
|
| 982 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 983 |
.mmu_cxr_mask = 0x0000003f,
|
| 984 |
.mmu_sfsr_mask = 0xffffffff,
|
| 985 |
.mmu_trcr_mask = 0xffffffff,
|
| 986 |
.nwindows = 8,
|
| 987 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| 988 |
CPU_FEATURE_FSMULD, |
| 989 |
}, |
| 990 |
{
|
| 991 |
.name = "Cypress CY7C611",
|
| 992 |
.iu_version = 0x13 << 24, /* Impl 1, ver 3 */ |
| 993 |
.fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */ |
| 994 |
.mmu_version = 0x10 << 24, |
| 995 |
.mmu_bm = 0x00004000,
|
| 996 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 997 |
.mmu_cxr_mask = 0x0000003f,
|
| 998 |
.mmu_sfsr_mask = 0xffffffff,
|
| 999 |
.mmu_trcr_mask = 0xffffffff,
|
| 1000 |
.nwindows = 8,
|
| 1001 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| 1002 |
CPU_FEATURE_FSMULD, |
| 1003 |
}, |
| 1004 |
{
|
| 1005 |
.name = "TI MicroSparc I",
|
| 1006 |
.iu_version = 0x41000000,
|
| 1007 |
.fpu_version = 4 << 17, |
| 1008 |
.mmu_version = 0x41000000,
|
| 1009 |
.mmu_bm = 0x00004000,
|
| 1010 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1011 |
.mmu_cxr_mask = 0x0000003f,
|
| 1012 |
.mmu_sfsr_mask = 0x00016fff,
|
| 1013 |
.mmu_trcr_mask = 0x0000003f,
|
| 1014 |
.nwindows = 7,
|
| 1015 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL | |
| 1016 |
CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | |
| 1017 |
CPU_FEATURE_FMUL, |
| 1018 |
}, |
| 1019 |
{
|
| 1020 |
.name = "TI MicroSparc II",
|
| 1021 |
.iu_version = 0x42000000,
|
| 1022 |
.fpu_version = 4 << 17, |
| 1023 |
.mmu_version = 0x02000000,
|
| 1024 |
.mmu_bm = 0x00004000,
|
| 1025 |
.mmu_ctpr_mask = 0x00ffffc0,
|
| 1026 |
.mmu_cxr_mask = 0x000000ff,
|
| 1027 |
.mmu_sfsr_mask = 0x00016fff,
|
| 1028 |
.mmu_trcr_mask = 0x00ffffff,
|
| 1029 |
.nwindows = 8,
|
| 1030 |
.features = CPU_DEFAULT_FEATURES, |
| 1031 |
}, |
| 1032 |
{
|
| 1033 |
.name = "TI MicroSparc IIep",
|
| 1034 |
.iu_version = 0x42000000,
|
| 1035 |
.fpu_version = 4 << 17, |
| 1036 |
.mmu_version = 0x04000000,
|
| 1037 |
.mmu_bm = 0x00004000,
|
| 1038 |
.mmu_ctpr_mask = 0x00ffffc0,
|
| 1039 |
.mmu_cxr_mask = 0x000000ff,
|
| 1040 |
.mmu_sfsr_mask = 0x00016bff,
|
| 1041 |
.mmu_trcr_mask = 0x00ffffff,
|
| 1042 |
.nwindows = 8,
|
| 1043 |
.features = CPU_DEFAULT_FEATURES, |
| 1044 |
}, |
| 1045 |
{
|
| 1046 |
.name = "TI SuperSparc 40", // STP1020NPGA |
| 1047 |
.iu_version = 0x41000000, // SuperSPARC 2.x |
| 1048 |
.fpu_version = 0 << 17, |
| 1049 |
.mmu_version = 0x00000800, // SuperSPARC 2.x, no MXCC |
| 1050 |
.mmu_bm = 0x00002000,
|
| 1051 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1052 |
.mmu_cxr_mask = 0x0000ffff,
|
| 1053 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1054 |
.mmu_trcr_mask = 0xffffffff,
|
| 1055 |
.nwindows = 8,
|
| 1056 |
.features = CPU_DEFAULT_FEATURES, |
| 1057 |
}, |
| 1058 |
{
|
| 1059 |
.name = "TI SuperSparc 50", // STP1020PGA |
| 1060 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
| 1061 |
.fpu_version = 0 << 17, |
| 1062 |
.mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC |
| 1063 |
.mmu_bm = 0x00002000,
|
| 1064 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1065 |
.mmu_cxr_mask = 0x0000ffff,
|
| 1066 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1067 |
.mmu_trcr_mask = 0xffffffff,
|
| 1068 |
.nwindows = 8,
|
| 1069 |
.features = CPU_DEFAULT_FEATURES, |
| 1070 |
}, |
| 1071 |
{
|
| 1072 |
.name = "TI SuperSparc 51",
|
| 1073 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
| 1074 |
.fpu_version = 0 << 17, |
| 1075 |
.mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC |
| 1076 |
.mmu_bm = 0x00002000,
|
| 1077 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1078 |
.mmu_cxr_mask = 0x0000ffff,
|
| 1079 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1080 |
.mmu_trcr_mask = 0xffffffff,
|
| 1081 |
.mxcc_version = 0x00000104,
|
| 1082 |
.nwindows = 8,
|
| 1083 |
.features = CPU_DEFAULT_FEATURES, |
| 1084 |
}, |
| 1085 |
{
|
| 1086 |
.name = "TI SuperSparc 60", // STP1020APGA |
| 1087 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
| 1088 |
.fpu_version = 0 << 17, |
| 1089 |
.mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC |
| 1090 |
.mmu_bm = 0x00002000,
|
| 1091 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1092 |
.mmu_cxr_mask = 0x0000ffff,
|
| 1093 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1094 |
.mmu_trcr_mask = 0xffffffff,
|
| 1095 |
.nwindows = 8,
|
| 1096 |
.features = CPU_DEFAULT_FEATURES, |
| 1097 |
}, |
| 1098 |
{
|
| 1099 |
.name = "TI SuperSparc 61",
|
| 1100 |
.iu_version = 0x44000000, // SuperSPARC 3.x |
| 1101 |
.fpu_version = 0 << 17, |
| 1102 |
.mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC |
| 1103 |
.mmu_bm = 0x00002000,
|
| 1104 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1105 |
.mmu_cxr_mask = 0x0000ffff,
|
| 1106 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1107 |
.mmu_trcr_mask = 0xffffffff,
|
| 1108 |
.mxcc_version = 0x00000104,
|
| 1109 |
.nwindows = 8,
|
| 1110 |
.features = CPU_DEFAULT_FEATURES, |
| 1111 |
}, |
| 1112 |
{
|
| 1113 |
.name = "TI SuperSparc II",
|
| 1114 |
.iu_version = 0x40000000, // SuperSPARC II 1.x |
| 1115 |
.fpu_version = 0 << 17, |
| 1116 |
.mmu_version = 0x08000000, // SuperSPARC II 1.x, MXCC |
| 1117 |
.mmu_bm = 0x00002000,
|
| 1118 |
.mmu_ctpr_mask = 0xffffffc0,
|
| 1119 |
.mmu_cxr_mask = 0x0000ffff,
|
| 1120 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1121 |
.mmu_trcr_mask = 0xffffffff,
|
| 1122 |
.mxcc_version = 0x00000104,
|
| 1123 |
.nwindows = 8,
|
| 1124 |
.features = CPU_DEFAULT_FEATURES, |
| 1125 |
}, |
| 1126 |
{
|
| 1127 |
.name = "Ross RT625",
|
| 1128 |
.iu_version = 0x1e000000,
|
| 1129 |
.fpu_version = 1 << 17, |
| 1130 |
.mmu_version = 0x1e000000,
|
| 1131 |
.mmu_bm = 0x00004000,
|
| 1132 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1133 |
.mmu_cxr_mask = 0x0000003f,
|
| 1134 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1135 |
.mmu_trcr_mask = 0xffffffff,
|
| 1136 |
.nwindows = 8,
|
| 1137 |
.features = CPU_DEFAULT_FEATURES, |
| 1138 |
}, |
| 1139 |
{
|
| 1140 |
.name = "Ross RT620",
|
| 1141 |
.iu_version = 0x1f000000,
|
| 1142 |
.fpu_version = 1 << 17, |
| 1143 |
.mmu_version = 0x1f000000,
|
| 1144 |
.mmu_bm = 0x00004000,
|
| 1145 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1146 |
.mmu_cxr_mask = 0x0000003f,
|
| 1147 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1148 |
.mmu_trcr_mask = 0xffffffff,
|
| 1149 |
.nwindows = 8,
|
| 1150 |
.features = CPU_DEFAULT_FEATURES, |
| 1151 |
}, |
| 1152 |
{
|
| 1153 |
.name = "BIT B5010",
|
| 1154 |
.iu_version = 0x20000000,
|
| 1155 |
.fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */ |
| 1156 |
.mmu_version = 0x20000000,
|
| 1157 |
.mmu_bm = 0x00004000,
|
| 1158 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1159 |
.mmu_cxr_mask = 0x0000003f,
|
| 1160 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1161 |
.mmu_trcr_mask = 0xffffffff,
|
| 1162 |
.nwindows = 8,
|
| 1163 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| 1164 |
CPU_FEATURE_FSMULD, |
| 1165 |
}, |
| 1166 |
{
|
| 1167 |
.name = "Matsushita MN10501",
|
| 1168 |
.iu_version = 0x50000000,
|
| 1169 |
.fpu_version = 0 << 17, |
| 1170 |
.mmu_version = 0x50000000,
|
| 1171 |
.mmu_bm = 0x00004000,
|
| 1172 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1173 |
.mmu_cxr_mask = 0x0000003f,
|
| 1174 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1175 |
.mmu_trcr_mask = 0xffffffff,
|
| 1176 |
.nwindows = 8,
|
| 1177 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT | |
| 1178 |
CPU_FEATURE_FSMULD, |
| 1179 |
}, |
| 1180 |
{
|
| 1181 |
.name = "Weitek W8601",
|
| 1182 |
.iu_version = 0x90 << 24, /* Impl 9, ver 0 */ |
| 1183 |
.fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */ |
| 1184 |
.mmu_version = 0x10 << 24, |
| 1185 |
.mmu_bm = 0x00004000,
|
| 1186 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1187 |
.mmu_cxr_mask = 0x0000003f,
|
| 1188 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1189 |
.mmu_trcr_mask = 0xffffffff,
|
| 1190 |
.nwindows = 8,
|
| 1191 |
.features = CPU_DEFAULT_FEATURES, |
| 1192 |
}, |
| 1193 |
{
|
| 1194 |
.name = "LEON2",
|
| 1195 |
.iu_version = 0xf2000000,
|
| 1196 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| 1197 |
.mmu_version = 0xf2000000,
|
| 1198 |
.mmu_bm = 0x00004000,
|
| 1199 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1200 |
.mmu_cxr_mask = 0x0000003f,
|
| 1201 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1202 |
.mmu_trcr_mask = 0xffffffff,
|
| 1203 |
.nwindows = 8,
|
| 1204 |
.features = CPU_DEFAULT_FEATURES, |
| 1205 |
}, |
| 1206 |
{
|
| 1207 |
.name = "LEON3",
|
| 1208 |
.iu_version = 0xf3000000,
|
| 1209 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| 1210 |
.mmu_version = 0xf3000000,
|
| 1211 |
.mmu_bm = 0x00004000,
|
| 1212 |
.mmu_ctpr_mask = 0x007ffff0,
|
| 1213 |
.mmu_cxr_mask = 0x0000003f,
|
| 1214 |
.mmu_sfsr_mask = 0xffffffff,
|
| 1215 |
.mmu_trcr_mask = 0xffffffff,
|
| 1216 |
.nwindows = 8,
|
| 1217 |
.features = CPU_DEFAULT_FEATURES, |
| 1218 |
}, |
| 1219 |
#endif
|
| 1220 |
}; |
| 1221 |
|
| 1222 |
static const char * const feature_name[] = { |
| 1223 |
"float",
|
| 1224 |
"float128",
|
| 1225 |
"swap",
|
| 1226 |
"mul",
|
| 1227 |
"div",
|
| 1228 |
"flush",
|
| 1229 |
"fsqrt",
|
| 1230 |
"fmul",
|
| 1231 |
"vis1",
|
| 1232 |
"vis2",
|
| 1233 |
"fsmuld",
|
| 1234 |
"hypv",
|
| 1235 |
"cmt",
|
| 1236 |
"gl",
|
| 1237 |
}; |
| 1238 |
|
| 1239 |
static void print_features(FILE *f, |
| 1240 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 1241 |
uint32_t features, const char *prefix) |
| 1242 |
{
|
| 1243 |
unsigned int i; |
| 1244 |
|
| 1245 |
for (i = 0; i < ARRAY_SIZE(feature_name); i++) |
| 1246 |
if (feature_name[i] && (features & (1 << i))) { |
| 1247 |
if (prefix)
|
| 1248 |
(*cpu_fprintf)(f, "%s", prefix);
|
| 1249 |
(*cpu_fprintf)(f, "%s ", feature_name[i]);
|
| 1250 |
} |
| 1251 |
} |
| 1252 |
|
| 1253 |
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features) |
| 1254 |
{
|
| 1255 |
unsigned int i; |
| 1256 |
|
| 1257 |
for (i = 0; i < ARRAY_SIZE(feature_name); i++) |
| 1258 |
if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
|
| 1259 |
*features |= 1 << i;
|
| 1260 |
return;
|
| 1261 |
} |
| 1262 |
fprintf(stderr, "CPU feature %s not found\n", flagname);
|
| 1263 |
} |
| 1264 |
|
| 1265 |
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) |
| 1266 |
{
|
| 1267 |
unsigned int i; |
| 1268 |
const sparc_def_t *def = NULL; |
| 1269 |
char *s = strdup(cpu_model);
|
| 1270 |
char *featurestr, *name = strtok(s, ","); |
| 1271 |
uint32_t plus_features = 0;
|
| 1272 |
uint32_t minus_features = 0;
|
| 1273 |
long long iu_version; |
| 1274 |
uint32_t fpu_version, mmu_version, nwindows; |
| 1275 |
|
| 1276 |
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { |
| 1277 |
if (strcasecmp(name, sparc_defs[i].name) == 0) { |
| 1278 |
def = &sparc_defs[i]; |
| 1279 |
} |
| 1280 |
} |
| 1281 |
if (!def)
|
| 1282 |
goto error;
|
| 1283 |
memcpy(cpu_def, def, sizeof(*def));
|
| 1284 |
|
| 1285 |
featurestr = strtok(NULL, ","); |
| 1286 |
while (featurestr) {
|
| 1287 |
char *val;
|
| 1288 |
|
| 1289 |
if (featurestr[0] == '+') { |
| 1290 |
add_flagname_to_bitmaps(featurestr + 1, &plus_features);
|
| 1291 |
} else if (featurestr[0] == '-') { |
| 1292 |
add_flagname_to_bitmaps(featurestr + 1, &minus_features);
|
| 1293 |
} else if ((val = strchr(featurestr, '='))) { |
| 1294 |
*val = 0; val++;
|
| 1295 |
if (!strcmp(featurestr, "iu_version")) { |
| 1296 |
char *err;
|
| 1297 |
|
| 1298 |
iu_version = strtoll(val, &err, 0);
|
| 1299 |
if (!*val || *err) {
|
| 1300 |
fprintf(stderr, "bad numerical value %s\n", val);
|
| 1301 |
goto error;
|
| 1302 |
} |
| 1303 |
cpu_def->iu_version = iu_version; |
| 1304 |
#ifdef DEBUG_FEATURES
|
| 1305 |
fprintf(stderr, "iu_version %llx\n", iu_version);
|
| 1306 |
#endif
|
| 1307 |
} else if (!strcmp(featurestr, "fpu_version")) { |
| 1308 |
char *err;
|
| 1309 |
|
| 1310 |
fpu_version = strtol(val, &err, 0);
|
| 1311 |
if (!*val || *err) {
|
| 1312 |
fprintf(stderr, "bad numerical value %s\n", val);
|
| 1313 |
goto error;
|
| 1314 |
} |
| 1315 |
cpu_def->fpu_version = fpu_version; |
| 1316 |
#ifdef DEBUG_FEATURES
|
| 1317 |
fprintf(stderr, "fpu_version %llx\n", fpu_version);
|
| 1318 |
#endif
|
| 1319 |
} else if (!strcmp(featurestr, "mmu_version")) { |
| 1320 |
char *err;
|
| 1321 |
|
| 1322 |
mmu_version = strtol(val, &err, 0);
|
| 1323 |
if (!*val || *err) {
|
| 1324 |
fprintf(stderr, "bad numerical value %s\n", val);
|
| 1325 |
goto error;
|
| 1326 |
} |
| 1327 |
cpu_def->mmu_version = mmu_version; |
| 1328 |
#ifdef DEBUG_FEATURES
|
| 1329 |
fprintf(stderr, "mmu_version %llx\n", mmu_version);
|
| 1330 |
#endif
|
| 1331 |
} else if (!strcmp(featurestr, "nwindows")) { |
| 1332 |
char *err;
|
| 1333 |
|
| 1334 |
nwindows = strtol(val, &err, 0);
|
| 1335 |
if (!*val || *err || nwindows > MAX_NWINDOWS ||
|
| 1336 |
nwindows < MIN_NWINDOWS) {
|
| 1337 |
fprintf(stderr, "bad numerical value %s\n", val);
|
| 1338 |
goto error;
|
| 1339 |
} |
| 1340 |
cpu_def->nwindows = nwindows; |
| 1341 |
#ifdef DEBUG_FEATURES
|
| 1342 |
fprintf(stderr, "nwindows %d\n", nwindows);
|
| 1343 |
#endif
|
| 1344 |
} else {
|
| 1345 |
fprintf(stderr, "unrecognized feature %s\n", featurestr);
|
| 1346 |
goto error;
|
| 1347 |
} |
| 1348 |
} else {
|
| 1349 |
fprintf(stderr, "feature string `%s' not in format "
|
| 1350 |
"(+feature|-feature|feature=xyz)\n", featurestr);
|
| 1351 |
goto error;
|
| 1352 |
} |
| 1353 |
featurestr = strtok(NULL, ","); |
| 1354 |
} |
| 1355 |
cpu_def->features |= plus_features; |
| 1356 |
cpu_def->features &= ~minus_features; |
| 1357 |
#ifdef DEBUG_FEATURES
|
| 1358 |
print_features(stderr, fprintf, cpu_def->features, NULL);
|
| 1359 |
#endif
|
| 1360 |
free(s); |
| 1361 |
return 0; |
| 1362 |
|
| 1363 |
error:
|
| 1364 |
free(s); |
| 1365 |
return -1; |
| 1366 |
} |
| 1367 |
|
| 1368 |
void sparc_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)) |
| 1369 |
{
|
| 1370 |
unsigned int i; |
| 1371 |
|
| 1372 |
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { |
| 1373 |
(*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ", |
| 1374 |
sparc_defs[i].name, |
| 1375 |
sparc_defs[i].iu_version, |
| 1376 |
sparc_defs[i].fpu_version, |
| 1377 |
sparc_defs[i].mmu_version, |
| 1378 |
sparc_defs[i].nwindows); |
| 1379 |
print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES & |
| 1380 |
~sparc_defs[i].features, "-");
|
| 1381 |
print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES & |
| 1382 |
sparc_defs[i].features, "+");
|
| 1383 |
(*cpu_fprintf)(f, "\n");
|
| 1384 |
} |
| 1385 |
(*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
|
| 1386 |
print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
|
| 1387 |
(*cpu_fprintf)(f, "\n");
|
| 1388 |
(*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
|
| 1389 |
print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
|
| 1390 |
(*cpu_fprintf)(f, "\n");
|
| 1391 |
(*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
|
| 1392 |
"fpu_version mmu_version nwindows\n");
|
| 1393 |
} |
| 1394 |
|
| 1395 |
void cpu_dump_state(CPUState *env, FILE *f,
|
| 1396 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 1397 |
int flags)
|
| 1398 |
{
|
| 1399 |
int i, x;
|
| 1400 |
|
| 1401 |
cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, |
| 1402 |
env->npc); |
| 1403 |
cpu_fprintf(f, "General Registers:\n");
|
| 1404 |
for (i = 0; i < 4; i++) |
| 1405 |
cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]); |
| 1406 |
cpu_fprintf(f, "\n");
|
| 1407 |
for (; i < 8; i++) |
| 1408 |
cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]); |
| 1409 |
cpu_fprintf(f, "\nCurrent Register Window:\n");
|
| 1410 |
for (x = 0; x < 3; x++) { |
| 1411 |
for (i = 0; i < 4; i++) |
| 1412 |
cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t", |
| 1413 |
(x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i, |
| 1414 |
env->regwptr[i + x * 8]);
|
| 1415 |
cpu_fprintf(f, "\n");
|
| 1416 |
for (; i < 8; i++) |
| 1417 |
cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t", |
| 1418 |
(x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i, |
| 1419 |
env->regwptr[i + x * 8]);
|
| 1420 |
cpu_fprintf(f, "\n");
|
| 1421 |
} |
| 1422 |
cpu_fprintf(f, "\nFloating Point Registers:\n");
|
| 1423 |
for (i = 0; i < 32; i++) { |
| 1424 |
if ((i & 3) == 0) |
| 1425 |
cpu_fprintf(f, "%%f%02d:", i);
|
| 1426 |
cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]); |
| 1427 |
if ((i & 3) == 3) |
| 1428 |
cpu_fprintf(f, "\n");
|
| 1429 |
} |
| 1430 |
#ifdef TARGET_SPARC64
|
| 1431 |
cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
|
| 1432 |
env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs); |
| 1433 |
cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate %d "
|
| 1434 |
"cleanwin %d cwp %d\n",
|
| 1435 |
env->cansave, env->canrestore, env->otherwin, env->wstate, |
| 1436 |
env->cleanwin, env->nwindows - 1 - env->cwp);
|
| 1437 |
#else
|
| 1438 |
|
| 1439 |
#define GET_FLAG(a,b) ((env->psr & a)?b:'-') |
| 1440 |
|
| 1441 |
cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n",
|
| 1442 |
GET_PSR(env), GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'), |
| 1443 |
GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'), |
| 1444 |
env->psrs?'S':'-', env->psrps?'P':'-', |
| 1445 |
env->psret?'E':'-', env->wim); |
| 1446 |
#endif
|
| 1447 |
cpu_fprintf(f, "fsr: 0x%08x\n", env->fsr);
|
| 1448 |
} |