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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
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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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#include "cpu.h" |
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#include "exec-all.h" |
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#include "qemu-common.h" |
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//#define DEBUG_MMU
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//#define DEBUG_FEATURES
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static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model); |
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/* Sparc MMU emulation */
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/* thread support */
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static spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED;
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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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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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#if defined(CONFIG_USER_ONLY)
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int cpu_sparc_handle_mmu_fault(CPUState *env1, target_ulong address, int rw, |
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int mmu_idx, int is_softmmu) |
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{ |
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if (rw & 2) |
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env1->exception_index = TT_TFAULT; |
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else
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env1->exception_index = TT_DFAULT; |
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return 1; |
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} |
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#else
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#ifndef TARGET_SPARC64
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/*
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* Sparc V8 Reference MMU (SRMMU)
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*/
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static const int access_table[8][8] = { |
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{ 0, 0, 0, 0, 8, 0, 12, 12 }, |
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{ 0, 0, 0, 0, 8, 0, 0, 0 }, |
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{ 8, 8, 0, 0, 0, 8, 12, 12 }, |
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{ 8, 8, 0, 0, 0, 8, 0, 0 }, |
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{ 8, 0, 8, 0, 8, 8, 12, 12 }, |
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{ 8, 0, 8, 0, 8, 0, 8, 0 }, |
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{ 8, 8, 8, 0, 8, 8, 12, 12 }, |
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{ 8, 8, 8, 0, 8, 8, 8, 0 } |
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}; |
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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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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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is_user = mmu_idx == MMU_USER_IDX; |
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virt_addr = address & TARGET_PAGE_MASK; |
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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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*access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1); |
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*physical = 0xffffffffffff0000ULL;
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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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/* Ctx pde */
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switch (pde & PTE_ENTRYTYPE_MASK) {
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default:
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case 0: /* Invalid */ |
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return 1 << 2; |
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case 2: /* L0 PTE, maybe should not happen? */ |
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case 3: /* Reserved */ |
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return 4 << 2; |
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case 1: /* L0 PDE */ |
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pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4); |
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pde = ldl_phys(pde_ptr); |
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switch (pde & PTE_ENTRYTYPE_MASK) {
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default:
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case 0: /* Invalid */ |
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return (1 << 8) | (1 << 2); |
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case 3: /* Reserved */ |
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return (1 << 8) | (4 << 2); |
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case 1: /* L1 PDE */ |
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pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4); |
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pde = ldl_phys(pde_ptr); |
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switch (pde & PTE_ENTRYTYPE_MASK) {
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default:
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case 0: /* Invalid */ |
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return (2 << 8) | (1 << 2); |
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case 3: /* Reserved */ |
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return (2 << 8) | (4 << 2); |
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case 1: /* L2 PDE */ |
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pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4); |
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pde = ldl_phys(pde_ptr); |
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switch (pde & PTE_ENTRYTYPE_MASK) {
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default:
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case 0: /* Invalid */ |
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return (3 << 8) | (1 << 2); |
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case 1: /* PDE, should not happen */ |
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case 3: /* Reserved */ |
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return (3 << 8) | (4 << 2); |
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case 2: /* L3 PTE */ |
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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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/* 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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/* 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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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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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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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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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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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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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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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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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 */ |
318 |
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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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); |
348 |
for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) { |
349 |
pde = mmu_probe(env, va1, 1);
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if (pde) {
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pa = cpu_get_phys_page_debug(env, va1); |
352 |
printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx |
353 |
" PDE: " TARGET_FMT_lx "\n", va1, pa, pde); |
354 |
for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) { |
355 |
pde = mmu_probe(env, va2, 0);
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356 |
if (pde) {
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pa = cpu_get_phys_page_debug(env, va2); |
358 |
printf(" VA: " TARGET_FMT_lx ", PA: " |
359 |
TARGET_FMT_plx " PTE: " TARGET_FMT_lx "\n", |
360 |
va2, pa, pde); |
361 |
} |
362 |
} |
363 |
} |
364 |
} |
365 |
} |
366 |
} |
367 |
printf("MMU dump ends\n");
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368 |
} |
369 |
#endif /* DEBUG_MMU */ |
370 |
|
371 |
#else /* !TARGET_SPARC64 */ |
372 |
/*
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* UltraSparc IIi I/DMMUs
|
374 |
*/
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375 |
static int get_physical_address_data(CPUState *env, |
376 |
target_phys_addr_t *physical, int *prot,
|
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target_ulong address, int rw, int is_user) |
378 |
{ |
379 |
target_ulong mask; |
380 |
unsigned int i; |
381 |
|
382 |
if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */ |
383 |
*physical = address; |
384 |
*prot = PAGE_READ | PAGE_WRITE; |
385 |
return 0; |
386 |
} |
387 |
|
388 |
for (i = 0; i < 64; i++) { |
389 |
switch ((env->dtlb_tte[i] >> 61) & 3) { |
390 |
default:
|
391 |
case 0x0: // 8k |
392 |
mask = 0xffffffffffffe000ULL;
|
393 |
break;
|
394 |
case 0x1: // 64k |
395 |
mask = 0xffffffffffff0000ULL;
|
396 |
break;
|
397 |
case 0x2: // 512k |
398 |
mask = 0xfffffffffff80000ULL;
|
399 |
break;
|
400 |
case 0x3: // 4M |
401 |
mask = 0xffffffffffc00000ULL;
|
402 |
break;
|
403 |
} |
404 |
// ctx match, vaddr match, valid?
|
405 |
if (env->dmmuregs[1] == (env->dtlb_tag[i] & 0x1fff) && |
406 |
(address & mask) == (env->dtlb_tag[i] & mask) && |
407 |
(env->dtlb_tte[i] & 0x8000000000000000ULL)) {
|
408 |
// access ok?
|
409 |
if (((env->dtlb_tte[i] & 0x4) && is_user) || |
410 |
(!(env->dtlb_tte[i] & 0x2) && (rw == 1))) { |
411 |
if (env->dmmuregs[3]) /* Fault status register */ |
412 |
env->dmmuregs[3] = 2; /* overflow (not read before |
413 |
another fault) */
|
414 |
env->dmmuregs[3] |= (is_user << 3) | ((rw == 1) << 2) | 1; |
415 |
env->dmmuregs[4] = address; /* Fault address register */ |
416 |
env->exception_index = TT_DFAULT; |
417 |
#ifdef DEBUG_MMU
|
418 |
printf("DFAULT at 0x%" PRIx64 "\n", address); |
419 |
#endif
|
420 |
return 1; |
421 |
} |
422 |
*physical = ((env->dtlb_tte[i] & mask) | (address & ~mask)) & |
423 |
0x1ffffffe000ULL;
|
424 |
*prot = PAGE_READ; |
425 |
if (env->dtlb_tte[i] & 0x2) |
426 |
*prot |= PAGE_WRITE; |
427 |
return 0; |
428 |
} |
429 |
} |
430 |
#ifdef DEBUG_MMU
|
431 |
printf("DMISS at 0x%" PRIx64 "\n", address); |
432 |
#endif
|
433 |
env->dmmuregs[6] = (address & ~0x1fffULL) | (env->dmmuregs[1] & 0x1fff); |
434 |
env->exception_index = TT_DMISS; |
435 |
return 1; |
436 |
} |
437 |
|
438 |
static int get_physical_address_code(CPUState *env, |
439 |
target_phys_addr_t *physical, int *prot,
|
440 |
target_ulong address, int is_user)
|
441 |
{ |
442 |
target_ulong mask; |
443 |
unsigned int i; |
444 |
|
445 |
if ((env->lsu & IMMU_E) == 0) { /* IMMU disabled */ |
446 |
*physical = address; |
447 |
*prot = PAGE_EXEC; |
448 |
return 0; |
449 |
} |
450 |
|
451 |
for (i = 0; i < 64; i++) { |
452 |
switch ((env->itlb_tte[i] >> 61) & 3) { |
453 |
default:
|
454 |
case 0x0: // 8k |
455 |
mask = 0xffffffffffffe000ULL;
|
456 |
break;
|
457 |
case 0x1: // 64k |
458 |
mask = 0xffffffffffff0000ULL;
|
459 |
break;
|
460 |
case 0x2: // 512k |
461 |
mask = 0xfffffffffff80000ULL;
|
462 |
break;
|
463 |
case 0x3: // 4M |
464 |
mask = 0xffffffffffc00000ULL;
|
465 |
break;
|
466 |
} |
467 |
// ctx match, vaddr match, valid?
|
468 |
if (env->dmmuregs[1] == (env->itlb_tag[i] & 0x1fff) && |
469 |
(address & mask) == (env->itlb_tag[i] & mask) && |
470 |
(env->itlb_tte[i] & 0x8000000000000000ULL)) {
|
471 |
// access ok?
|
472 |
if ((env->itlb_tte[i] & 0x4) && is_user) { |
473 |
if (env->immuregs[3]) /* Fault status register */ |
474 |
env->immuregs[3] = 2; /* overflow (not read before |
475 |
another fault) */
|
476 |
env->immuregs[3] |= (is_user << 3) | 1; |
477 |
env->exception_index = TT_TFAULT; |
478 |
#ifdef DEBUG_MMU
|
479 |
printf("TFAULT at 0x%" PRIx64 "\n", address); |
480 |
#endif
|
481 |
return 1; |
482 |
} |
483 |
*physical = ((env->itlb_tte[i] & mask) | (address & ~mask)) & |
484 |
0x1ffffffe000ULL;
|
485 |
*prot = PAGE_EXEC; |
486 |
return 0; |
487 |
} |
488 |
} |
489 |
#ifdef DEBUG_MMU
|
490 |
printf("TMISS at 0x%" PRIx64 "\n", address); |
491 |
#endif
|
492 |
/* Context is stored in DMMU (dmmuregs[1]) also for IMMU */
|
493 |
env->immuregs[6] = (address & ~0x1fffULL) | (env->dmmuregs[1] & 0x1fff); |
494 |
env->exception_index = TT_TMISS; |
495 |
return 1; |
496 |
} |
497 |
|
498 |
static int get_physical_address(CPUState *env, target_phys_addr_t *physical, |
499 |
int *prot, int *access_index, |
500 |
target_ulong address, int rw, int mmu_idx) |
501 |
{ |
502 |
int is_user = mmu_idx == MMU_USER_IDX;
|
503 |
|
504 |
if (rw == 2) |
505 |
return get_physical_address_code(env, physical, prot, address,
|
506 |
is_user); |
507 |
else
|
508 |
return get_physical_address_data(env, physical, prot, address, rw,
|
509 |
is_user); |
510 |
} |
511 |
|
512 |
/* Perform address translation */
|
513 |
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
514 |
int mmu_idx, int is_softmmu) |
515 |
{ |
516 |
target_ulong virt_addr, vaddr; |
517 |
target_phys_addr_t paddr; |
518 |
int error_code = 0, prot, ret = 0, access_index; |
519 |
|
520 |
error_code = get_physical_address(env, &paddr, &prot, &access_index, |
521 |
address, rw, mmu_idx); |
522 |
if (error_code == 0) { |
523 |
virt_addr = address & TARGET_PAGE_MASK; |
524 |
vaddr = virt_addr + ((address & TARGET_PAGE_MASK) & |
525 |
(TARGET_PAGE_SIZE - 1));
|
526 |
#ifdef DEBUG_MMU
|
527 |
printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64 |
528 |
"\n", address, paddr, vaddr);
|
529 |
#endif
|
530 |
ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu); |
531 |
return ret;
|
532 |
} |
533 |
// XXX
|
534 |
return 1; |
535 |
} |
536 |
|
537 |
#ifdef DEBUG_MMU
|
538 |
void dump_mmu(CPUState *env)
|
539 |
{ |
540 |
unsigned int i; |
541 |
const char *mask; |
542 |
|
543 |
printf("MMU contexts: Primary: %" PRId64 ", Secondary: %" PRId64 "\n", |
544 |
env->dmmuregs[1], env->dmmuregs[2]); |
545 |
if ((env->lsu & DMMU_E) == 0) { |
546 |
printf("DMMU disabled\n");
|
547 |
} else {
|
548 |
printf("DMMU dump:\n");
|
549 |
for (i = 0; i < 64; i++) { |
550 |
switch ((env->dtlb_tte[i] >> 61) & 3) { |
551 |
default:
|
552 |
case 0x0: |
553 |
mask = " 8k";
|
554 |
break;
|
555 |
case 0x1: |
556 |
mask = " 64k";
|
557 |
break;
|
558 |
case 0x2: |
559 |
mask = "512k";
|
560 |
break;
|
561 |
case 0x3: |
562 |
mask = " 4M";
|
563 |
break;
|
564 |
} |
565 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) { |
566 |
printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx |
567 |
", %s, %s, %s, %s, ctx %" PRId64 "\n", |
568 |
env->dtlb_tag[i] & ~0x1fffULL,
|
569 |
env->dtlb_tte[i] & 0x1ffffffe000ULL,
|
570 |
mask, |
571 |
env->dtlb_tte[i] & 0x4? "priv": "user", |
572 |
env->dtlb_tte[i] & 0x2? "RW": "RO", |
573 |
env->dtlb_tte[i] & 0x40? "locked": "unlocked", |
574 |
env->dtlb_tag[i] & 0x1fffULL);
|
575 |
} |
576 |
} |
577 |
} |
578 |
if ((env->lsu & IMMU_E) == 0) { |
579 |
printf("IMMU disabled\n");
|
580 |
} else {
|
581 |
printf("IMMU dump:\n");
|
582 |
for (i = 0; i < 64; i++) { |
583 |
switch ((env->itlb_tte[i] >> 61) & 3) { |
584 |
default:
|
585 |
case 0x0: |
586 |
mask = " 8k";
|
587 |
break;
|
588 |
case 0x1: |
589 |
mask = " 64k";
|
590 |
break;
|
591 |
case 0x2: |
592 |
mask = "512k";
|
593 |
break;
|
594 |
case 0x3: |
595 |
mask = " 4M";
|
596 |
break;
|
597 |
} |
598 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) { |
599 |
printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx |
600 |
", %s, %s, %s, ctx %" PRId64 "\n", |
601 |
env->itlb_tag[i] & ~0x1fffULL,
|
602 |
env->itlb_tte[i] & 0x1ffffffe000ULL,
|
603 |
mask, |
604 |
env->itlb_tte[i] & 0x4? "priv": "user", |
605 |
env->itlb_tte[i] & 0x40? "locked": "unlocked", |
606 |
env->itlb_tag[i] & 0x1fffULL);
|
607 |
} |
608 |
} |
609 |
} |
610 |
} |
611 |
#endif /* DEBUG_MMU */ |
612 |
|
613 |
#endif /* TARGET_SPARC64 */ |
614 |
#endif /* !CONFIG_USER_ONLY */ |
615 |
|
616 |
|
617 |
#if defined(CONFIG_USER_ONLY)
|
618 |
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
619 |
{ |
620 |
return addr;
|
621 |
} |
622 |
|
623 |
#else
|
624 |
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
625 |
{ |
626 |
target_phys_addr_t phys_addr; |
627 |
int prot, access_index;
|
628 |
|
629 |
if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2, |
630 |
MMU_KERNEL_IDX) != 0)
|
631 |
if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
|
632 |
0, MMU_KERNEL_IDX) != 0) |
633 |
return -1; |
634 |
if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
|
635 |
return -1; |
636 |
return phys_addr;
|
637 |
} |
638 |
#endif
|
639 |
|
640 |
void cpu_reset(CPUSPARCState *env)
|
641 |
{ |
642 |
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
643 |
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
644 |
log_cpu_state(env, 0);
|
645 |
} |
646 |
|
647 |
tlb_flush(env, 1);
|
648 |
env->cwp = 0;
|
649 |
env->wim = 1;
|
650 |
env->regwptr = env->regbase + (env->cwp * 16);
|
651 |
#if defined(CONFIG_USER_ONLY)
|
652 |
#ifdef TARGET_SPARC64
|
653 |
env->cleanwin = env->nwindows - 2;
|
654 |
env->cansave = env->nwindows - 2;
|
655 |
env->pstate = PS_RMO | PS_PEF | PS_IE; |
656 |
env->asi = 0x82; // Primary no-fault |
657 |
#endif
|
658 |
#else
|
659 |
env->psret = 0;
|
660 |
env->psrs = 1;
|
661 |
env->psrps = 1;
|
662 |
CC_OP = CC_OP_FLAGS; |
663 |
#ifdef TARGET_SPARC64
|
664 |
env->pstate = PS_PRIV; |
665 |
env->hpstate = HS_PRIV; |
666 |
env->tsptr = &env->ts[env->tl & MAXTL_MASK]; |
667 |
env->lsu = 0;
|
668 |
#else
|
669 |
env->mmuregs[0] &= ~(MMU_E | MMU_NF);
|
670 |
env->mmuregs[0] |= env->def->mmu_bm;
|
671 |
#endif
|
672 |
env->pc = 0;
|
673 |
env->npc = env->pc + 4;
|
674 |
#endif
|
675 |
} |
676 |
|
677 |
static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model) |
678 |
{ |
679 |
sparc_def_t def1, *def = &def1; |
680 |
|
681 |
if (cpu_sparc_find_by_name(def, cpu_model) < 0) |
682 |
return -1; |
683 |
|
684 |
env->def = qemu_mallocz(sizeof(*def));
|
685 |
memcpy(env->def, def, sizeof(*def));
|
686 |
#if defined(CONFIG_USER_ONLY)
|
687 |
if ((env->def->features & CPU_FEATURE_FLOAT))
|
688 |
env->def->features |= CPU_FEATURE_FLOAT128; |
689 |
#endif
|
690 |
env->cpu_model_str = cpu_model; |
691 |
env->version = def->iu_version; |
692 |
env->fsr = def->fpu_version; |
693 |
env->nwindows = def->nwindows; |
694 |
#if !defined(TARGET_SPARC64)
|
695 |
env->mmuregs[0] |= def->mmu_version;
|
696 |
cpu_sparc_set_id(env, 0);
|
697 |
env->mxccregs[7] |= def->mxcc_version;
|
698 |
#else
|
699 |
env->mmu_version = def->mmu_version; |
700 |
env->maxtl = def->maxtl; |
701 |
env->version |= def->maxtl << 8;
|
702 |
env->version |= def->nwindows - 1;
|
703 |
#endif
|
704 |
return 0; |
705 |
} |
706 |
|
707 |
static void cpu_sparc_close(CPUSPARCState *env) |
708 |
{ |
709 |
free(env->def); |
710 |
free(env); |
711 |
} |
712 |
|
713 |
CPUSPARCState *cpu_sparc_init(const char *cpu_model) |
714 |
{ |
715 |
CPUSPARCState *env; |
716 |
|
717 |
env = qemu_mallocz(sizeof(CPUSPARCState));
|
718 |
cpu_exec_init(env); |
719 |
|
720 |
gen_intermediate_code_init(env); |
721 |
|
722 |
if (cpu_sparc_register(env, cpu_model) < 0) { |
723 |
cpu_sparc_close(env); |
724 |
return NULL; |
725 |
} |
726 |
cpu_reset(env); |
727 |
qemu_init_vcpu(env); |
728 |
|
729 |
return env;
|
730 |
} |
731 |
|
732 |
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu) |
733 |
{ |
734 |
#if !defined(TARGET_SPARC64)
|
735 |
env->mxccregs[7] = ((cpu + 8) & 0xf) << 24; |
736 |
#endif
|
737 |
} |
738 |
|
739 |
static const sparc_def_t sparc_defs[] = { |
740 |
#ifdef TARGET_SPARC64
|
741 |
{ |
742 |
.name = "Fujitsu Sparc64",
|
743 |
.iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)), |
744 |
.fpu_version = 0x00000000,
|
745 |
.mmu_version = mmu_us_12, |
746 |
.nwindows = 4,
|
747 |
.maxtl = 4,
|
748 |
.features = CPU_DEFAULT_FEATURES, |
749 |
}, |
750 |
{ |
751 |
.name = "Fujitsu Sparc64 III",
|
752 |
.iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)), |
753 |
.fpu_version = 0x00000000,
|
754 |
.mmu_version = mmu_us_12, |
755 |
.nwindows = 5,
|
756 |
.maxtl = 4,
|
757 |
.features = CPU_DEFAULT_FEATURES, |
758 |
}, |
759 |
{ |
760 |
.name = "Fujitsu Sparc64 IV",
|
761 |
.iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)), |
762 |
.fpu_version = 0x00000000,
|
763 |
.mmu_version = mmu_us_12, |
764 |
.nwindows = 8,
|
765 |
.maxtl = 5,
|
766 |
.features = CPU_DEFAULT_FEATURES, |
767 |
}, |
768 |
{ |
769 |
.name = "Fujitsu Sparc64 V",
|
770 |
.iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)), |
771 |
.fpu_version = 0x00000000,
|
772 |
.mmu_version = mmu_us_12, |
773 |
.nwindows = 8,
|
774 |
.maxtl = 5,
|
775 |
.features = CPU_DEFAULT_FEATURES, |
776 |
}, |
777 |
{ |
778 |
.name = "TI UltraSparc I",
|
779 |
.iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), |
780 |
.fpu_version = 0x00000000,
|
781 |
.mmu_version = mmu_us_12, |
782 |
.nwindows = 8,
|
783 |
.maxtl = 5,
|
784 |
.features = CPU_DEFAULT_FEATURES, |
785 |
}, |
786 |
{ |
787 |
.name = "TI UltraSparc II",
|
788 |
.iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)), |
789 |
.fpu_version = 0x00000000,
|
790 |
.mmu_version = mmu_us_12, |
791 |
.nwindows = 8,
|
792 |
.maxtl = 5,
|
793 |
.features = CPU_DEFAULT_FEATURES, |
794 |
}, |
795 |
{ |
796 |
.name = "TI UltraSparc IIi",
|
797 |
.iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)), |
798 |
.fpu_version = 0x00000000,
|
799 |
.mmu_version = mmu_us_12, |
800 |
.nwindows = 8,
|
801 |
.maxtl = 5,
|
802 |
.features = CPU_DEFAULT_FEATURES, |
803 |
}, |
804 |
{ |
805 |
.name = "TI UltraSparc IIe",
|
806 |
.iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)), |
807 |
.fpu_version = 0x00000000,
|
808 |
.mmu_version = mmu_us_12, |
809 |
.nwindows = 8,
|
810 |
.maxtl = 5,
|
811 |
.features = CPU_DEFAULT_FEATURES, |
812 |
}, |
813 |
{ |
814 |
.name = "Sun UltraSparc III",
|
815 |
.iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)), |
816 |
.fpu_version = 0x00000000,
|
817 |
.mmu_version = mmu_us_12, |
818 |
.nwindows = 8,
|
819 |
.maxtl = 5,
|
820 |
.features = CPU_DEFAULT_FEATURES, |
821 |
}, |
822 |
{ |
823 |
.name = "Sun UltraSparc III Cu",
|
824 |
.iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)), |
825 |
.fpu_version = 0x00000000,
|
826 |
.mmu_version = mmu_us_3, |
827 |
.nwindows = 8,
|
828 |
.maxtl = 5,
|
829 |
.features = CPU_DEFAULT_FEATURES, |
830 |
}, |
831 |
{ |
832 |
.name = "Sun UltraSparc IIIi",
|
833 |
.iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)), |
834 |
.fpu_version = 0x00000000,
|
835 |
.mmu_version = mmu_us_12, |
836 |
.nwindows = 8,
|
837 |
.maxtl = 5,
|
838 |
.features = CPU_DEFAULT_FEATURES, |
839 |
}, |
840 |
{ |
841 |
.name = "Sun UltraSparc IV",
|
842 |
.iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)), |
843 |
.fpu_version = 0x00000000,
|
844 |
.mmu_version = mmu_us_4, |
845 |
.nwindows = 8,
|
846 |
.maxtl = 5,
|
847 |
.features = CPU_DEFAULT_FEATURES, |
848 |
}, |
849 |
{ |
850 |
.name = "Sun UltraSparc IV+",
|
851 |
.iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)), |
852 |
.fpu_version = 0x00000000,
|
853 |
.mmu_version = mmu_us_12, |
854 |
.nwindows = 8,
|
855 |
.maxtl = 5,
|
856 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT, |
857 |
}, |
858 |
{ |
859 |
.name = "Sun UltraSparc IIIi+",
|
860 |
.iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)), |
861 |
.fpu_version = 0x00000000,
|
862 |
.mmu_version = mmu_us_3, |
863 |
.nwindows = 8,
|
864 |
.maxtl = 5,
|
865 |
.features = CPU_DEFAULT_FEATURES, |
866 |
}, |
867 |
{ |
868 |
.name = "Sun UltraSparc T1",
|
869 |
// defined in sparc_ifu_fdp.v and ctu.h
|
870 |
.iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)), |
871 |
.fpu_version = 0x00000000,
|
872 |
.mmu_version = mmu_sun4v, |
873 |
.nwindows = 8,
|
874 |
.maxtl = 6,
|
875 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT |
876 |
| CPU_FEATURE_GL, |
877 |
}, |
878 |
{ |
879 |
.name = "Sun UltraSparc T2",
|
880 |
// defined in tlu_asi_ctl.v and n2_revid_cust.v
|
881 |
.iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)), |
882 |
.fpu_version = 0x00000000,
|
883 |
.mmu_version = mmu_sun4v, |
884 |
.nwindows = 8,
|
885 |
.maxtl = 6,
|
886 |
.features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT |
887 |
| CPU_FEATURE_GL, |
888 |
}, |
889 |
{ |
890 |
.name = "NEC UltraSparc I",
|
891 |
.iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), |
892 |
.fpu_version = 0x00000000,
|
893 |
.mmu_version = mmu_us_12, |
894 |
.nwindows = 8,
|
895 |
.maxtl = 5,
|
896 |
.features = CPU_DEFAULT_FEATURES, |
897 |
}, |
898 |
#else
|
899 |
{ |
900 |
.name = "Fujitsu MB86900",
|
901 |
.iu_version = 0x00 << 24, /* Impl 0, ver 0 */ |
902 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
903 |
.mmu_version = 0x00 << 24, /* Impl 0, ver 0 */ |
904 |
.mmu_bm = 0x00004000,
|
905 |
.mmu_ctpr_mask = 0x007ffff0,
|
906 |
.mmu_cxr_mask = 0x0000003f,
|
907 |
.mmu_sfsr_mask = 0xffffffff,
|
908 |
.mmu_trcr_mask = 0xffffffff,
|
909 |
.nwindows = 7,
|
910 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD, |
911 |
}, |
912 |
{ |
913 |
.name = "Fujitsu MB86904",
|
914 |
.iu_version = 0x04 << 24, /* Impl 0, ver 4 */ |
915 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
916 |
.mmu_version = 0x04 << 24, /* Impl 0, ver 4 */ |
917 |
.mmu_bm = 0x00004000,
|
918 |
.mmu_ctpr_mask = 0x00ffffc0,
|
919 |
.mmu_cxr_mask = 0x000000ff,
|
920 |
.mmu_sfsr_mask = 0x00016fff,
|
921 |
.mmu_trcr_mask = 0x00ffffff,
|
922 |
.nwindows = 8,
|
923 |
.features = CPU_DEFAULT_FEATURES, |
924 |
}, |
925 |
{ |
926 |
.name = "Fujitsu MB86907",
|
927 |
.iu_version = 0x05 << 24, /* Impl 0, ver 5 */ |
928 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
929 |
.mmu_version = 0x05 << 24, /* Impl 0, ver 5 */ |
930 |
.mmu_bm = 0x00004000,
|
931 |
.mmu_ctpr_mask = 0xffffffc0,
|
932 |
.mmu_cxr_mask = 0x000000ff,
|
933 |
.mmu_sfsr_mask = 0x00016fff,
|
934 |
.mmu_trcr_mask = 0xffffffff,
|
935 |
.nwindows = 8,
|
936 |
.features = CPU_DEFAULT_FEATURES, |
937 |
}, |
938 |
{ |
939 |
.name = "LSI L64811",
|
940 |
.iu_version = 0x10 << 24, /* Impl 1, ver 0 */ |
941 |
.fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */ |
942 |
.mmu_version = 0x10 << 24, |
943 |
.mmu_bm = 0x00004000,
|
944 |
.mmu_ctpr_mask = 0x007ffff0,
|
945 |
.mmu_cxr_mask = 0x0000003f,
|
946 |
.mmu_sfsr_mask = 0xffffffff,
|
947 |
.mmu_trcr_mask = 0xffffffff,
|
948 |
.nwindows = 8,
|
949 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
950 |
CPU_FEATURE_FSMULD, |
951 |
}, |
952 |
{ |
953 |
.name = "Cypress CY7C601",
|
954 |
.iu_version = 0x11 << 24, /* Impl 1, ver 1 */ |
955 |
.fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */ |
956 |
.mmu_version = 0x10 << 24, |
957 |
.mmu_bm = 0x00004000,
|
958 |
.mmu_ctpr_mask = 0x007ffff0,
|
959 |
.mmu_cxr_mask = 0x0000003f,
|
960 |
.mmu_sfsr_mask = 0xffffffff,
|
961 |
.mmu_trcr_mask = 0xffffffff,
|
962 |
.nwindows = 8,
|
963 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
964 |
CPU_FEATURE_FSMULD, |
965 |
}, |
966 |
{ |
967 |
.name = "Cypress CY7C611",
|
968 |
.iu_version = 0x13 << 24, /* Impl 1, ver 3 */ |
969 |
.fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */ |
970 |
.mmu_version = 0x10 << 24, |
971 |
.mmu_bm = 0x00004000,
|
972 |
.mmu_ctpr_mask = 0x007ffff0,
|
973 |
.mmu_cxr_mask = 0x0000003f,
|
974 |
.mmu_sfsr_mask = 0xffffffff,
|
975 |
.mmu_trcr_mask = 0xffffffff,
|
976 |
.nwindows = 8,
|
977 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
978 |
CPU_FEATURE_FSMULD, |
979 |
}, |
980 |
{ |
981 |
.name = "TI MicroSparc I",
|
982 |
.iu_version = 0x41000000,
|
983 |
.fpu_version = 4 << 17, |
984 |
.mmu_version = 0x41000000,
|
985 |
.mmu_bm = 0x00004000,
|
986 |
.mmu_ctpr_mask = 0x007ffff0,
|
987 |
.mmu_cxr_mask = 0x0000003f,
|
988 |
.mmu_sfsr_mask = 0x00016fff,
|
989 |
.mmu_trcr_mask = 0x0000003f,
|
990 |
.nwindows = 7,
|
991 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL | |
992 |
CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | |
993 |
CPU_FEATURE_FMUL, |
994 |
}, |
995 |
{ |
996 |
.name = "TI MicroSparc II",
|
997 |
.iu_version = 0x42000000,
|
998 |
.fpu_version = 4 << 17, |
999 |
.mmu_version = 0x02000000,
|
1000 |
.mmu_bm = 0x00004000,
|
1001 |
.mmu_ctpr_mask = 0x00ffffc0,
|
1002 |
.mmu_cxr_mask = 0x000000ff,
|
1003 |
.mmu_sfsr_mask = 0x00016fff,
|
1004 |
.mmu_trcr_mask = 0x00ffffff,
|
1005 |
.nwindows = 8,
|
1006 |
.features = CPU_DEFAULT_FEATURES, |
1007 |
}, |
1008 |
{ |
1009 |
.name = "TI MicroSparc IIep",
|
1010 |
.iu_version = 0x42000000,
|
1011 |
.fpu_version = 4 << 17, |
1012 |
.mmu_version = 0x04000000,
|
1013 |
.mmu_bm = 0x00004000,
|
1014 |
.mmu_ctpr_mask = 0x00ffffc0,
|
1015 |
.mmu_cxr_mask = 0x000000ff,
|
1016 |
.mmu_sfsr_mask = 0x00016bff,
|
1017 |
.mmu_trcr_mask = 0x00ffffff,
|
1018 |
.nwindows = 8,
|
1019 |
.features = CPU_DEFAULT_FEATURES, |
1020 |
}, |
1021 |
{ |
1022 |
.name = "TI SuperSparc 40", // STP1020NPGA |
1023 |
.iu_version = 0x41000000, // SuperSPARC 2.x |
1024 |
.fpu_version = 0 << 17, |
1025 |
.mmu_version = 0x00000800, // SuperSPARC 2.x, no MXCC |
1026 |
.mmu_bm = 0x00002000,
|
1027 |
.mmu_ctpr_mask = 0xffffffc0,
|
1028 |
.mmu_cxr_mask = 0x0000ffff,
|
1029 |
.mmu_sfsr_mask = 0xffffffff,
|
1030 |
.mmu_trcr_mask = 0xffffffff,
|
1031 |
.nwindows = 8,
|
1032 |
.features = CPU_DEFAULT_FEATURES, |
1033 |
}, |
1034 |
{ |
1035 |
.name = "TI SuperSparc 50", // STP1020PGA |
1036 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
1037 |
.fpu_version = 0 << 17, |
1038 |
.mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC |
1039 |
.mmu_bm = 0x00002000,
|
1040 |
.mmu_ctpr_mask = 0xffffffc0,
|
1041 |
.mmu_cxr_mask = 0x0000ffff,
|
1042 |
.mmu_sfsr_mask = 0xffffffff,
|
1043 |
.mmu_trcr_mask = 0xffffffff,
|
1044 |
.nwindows = 8,
|
1045 |
.features = CPU_DEFAULT_FEATURES, |
1046 |
}, |
1047 |
{ |
1048 |
.name = "TI SuperSparc 51",
|
1049 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
1050 |
.fpu_version = 0 << 17, |
1051 |
.mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC |
1052 |
.mmu_bm = 0x00002000,
|
1053 |
.mmu_ctpr_mask = 0xffffffc0,
|
1054 |
.mmu_cxr_mask = 0x0000ffff,
|
1055 |
.mmu_sfsr_mask = 0xffffffff,
|
1056 |
.mmu_trcr_mask = 0xffffffff,
|
1057 |
.mxcc_version = 0x00000104,
|
1058 |
.nwindows = 8,
|
1059 |
.features = CPU_DEFAULT_FEATURES, |
1060 |
}, |
1061 |
{ |
1062 |
.name = "TI SuperSparc 60", // STP1020APGA |
1063 |
.iu_version = 0x40000000, // SuperSPARC 3.x |
1064 |
.fpu_version = 0 << 17, |
1065 |
.mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC |
1066 |
.mmu_bm = 0x00002000,
|
1067 |
.mmu_ctpr_mask = 0xffffffc0,
|
1068 |
.mmu_cxr_mask = 0x0000ffff,
|
1069 |
.mmu_sfsr_mask = 0xffffffff,
|
1070 |
.mmu_trcr_mask = 0xffffffff,
|
1071 |
.nwindows = 8,
|
1072 |
.features = CPU_DEFAULT_FEATURES, |
1073 |
}, |
1074 |
{ |
1075 |
.name = "TI SuperSparc 61",
|
1076 |
.iu_version = 0x44000000, // SuperSPARC 3.x |
1077 |
.fpu_version = 0 << 17, |
1078 |
.mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC |
1079 |
.mmu_bm = 0x00002000,
|
1080 |
.mmu_ctpr_mask = 0xffffffc0,
|
1081 |
.mmu_cxr_mask = 0x0000ffff,
|
1082 |
.mmu_sfsr_mask = 0xffffffff,
|
1083 |
.mmu_trcr_mask = 0xffffffff,
|
1084 |
.mxcc_version = 0x00000104,
|
1085 |
.nwindows = 8,
|
1086 |
.features = CPU_DEFAULT_FEATURES, |
1087 |
}, |
1088 |
{ |
1089 |
.name = "TI SuperSparc II",
|
1090 |
.iu_version = 0x40000000, // SuperSPARC II 1.x |
1091 |
.fpu_version = 0 << 17, |
1092 |
.mmu_version = 0x08000000, // SuperSPARC II 1.x, MXCC |
1093 |
.mmu_bm = 0x00002000,
|
1094 |
.mmu_ctpr_mask = 0xffffffc0,
|
1095 |
.mmu_cxr_mask = 0x0000ffff,
|
1096 |
.mmu_sfsr_mask = 0xffffffff,
|
1097 |
.mmu_trcr_mask = 0xffffffff,
|
1098 |
.mxcc_version = 0x00000104,
|
1099 |
.nwindows = 8,
|
1100 |
.features = CPU_DEFAULT_FEATURES, |
1101 |
}, |
1102 |
{ |
1103 |
.name = "Ross RT625",
|
1104 |
.iu_version = 0x1e000000,
|
1105 |
.fpu_version = 1 << 17, |
1106 |
.mmu_version = 0x1e000000,
|
1107 |
.mmu_bm = 0x00004000,
|
1108 |
.mmu_ctpr_mask = 0x007ffff0,
|
1109 |
.mmu_cxr_mask = 0x0000003f,
|
1110 |
.mmu_sfsr_mask = 0xffffffff,
|
1111 |
.mmu_trcr_mask = 0xffffffff,
|
1112 |
.nwindows = 8,
|
1113 |
.features = CPU_DEFAULT_FEATURES, |
1114 |
}, |
1115 |
{ |
1116 |
.name = "Ross RT620",
|
1117 |
.iu_version = 0x1f000000,
|
1118 |
.fpu_version = 1 << 17, |
1119 |
.mmu_version = 0x1f000000,
|
1120 |
.mmu_bm = 0x00004000,
|
1121 |
.mmu_ctpr_mask = 0x007ffff0,
|
1122 |
.mmu_cxr_mask = 0x0000003f,
|
1123 |
.mmu_sfsr_mask = 0xffffffff,
|
1124 |
.mmu_trcr_mask = 0xffffffff,
|
1125 |
.nwindows = 8,
|
1126 |
.features = CPU_DEFAULT_FEATURES, |
1127 |
}, |
1128 |
{ |
1129 |
.name = "BIT B5010",
|
1130 |
.iu_version = 0x20000000,
|
1131 |
.fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */ |
1132 |
.mmu_version = 0x20000000,
|
1133 |
.mmu_bm = 0x00004000,
|
1134 |
.mmu_ctpr_mask = 0x007ffff0,
|
1135 |
.mmu_cxr_mask = 0x0000003f,
|
1136 |
.mmu_sfsr_mask = 0xffffffff,
|
1137 |
.mmu_trcr_mask = 0xffffffff,
|
1138 |
.nwindows = 8,
|
1139 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
1140 |
CPU_FEATURE_FSMULD, |
1141 |
}, |
1142 |
{ |
1143 |
.name = "Matsushita MN10501",
|
1144 |
.iu_version = 0x50000000,
|
1145 |
.fpu_version = 0 << 17, |
1146 |
.mmu_version = 0x50000000,
|
1147 |
.mmu_bm = 0x00004000,
|
1148 |
.mmu_ctpr_mask = 0x007ffff0,
|
1149 |
.mmu_cxr_mask = 0x0000003f,
|
1150 |
.mmu_sfsr_mask = 0xffffffff,
|
1151 |
.mmu_trcr_mask = 0xffffffff,
|
1152 |
.nwindows = 8,
|
1153 |
.features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT | |
1154 |
CPU_FEATURE_FSMULD, |
1155 |
}, |
1156 |
{ |
1157 |
.name = "Weitek W8601",
|
1158 |
.iu_version = 0x90 << 24, /* Impl 9, ver 0 */ |
1159 |
.fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */ |
1160 |
.mmu_version = 0x10 << 24, |
1161 |
.mmu_bm = 0x00004000,
|
1162 |
.mmu_ctpr_mask = 0x007ffff0,
|
1163 |
.mmu_cxr_mask = 0x0000003f,
|
1164 |
.mmu_sfsr_mask = 0xffffffff,
|
1165 |
.mmu_trcr_mask = 0xffffffff,
|
1166 |
.nwindows = 8,
|
1167 |
.features = CPU_DEFAULT_FEATURES, |
1168 |
}, |
1169 |
{ |
1170 |
.name = "LEON2",
|
1171 |
.iu_version = 0xf2000000,
|
1172 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
1173 |
.mmu_version = 0xf2000000,
|
1174 |
.mmu_bm = 0x00004000,
|
1175 |
.mmu_ctpr_mask = 0x007ffff0,
|
1176 |
.mmu_cxr_mask = 0x0000003f,
|
1177 |
.mmu_sfsr_mask = 0xffffffff,
|
1178 |
.mmu_trcr_mask = 0xffffffff,
|
1179 |
.nwindows = 8,
|
1180 |
.features = CPU_DEFAULT_FEATURES, |
1181 |
}, |
1182 |
{ |
1183 |
.name = "LEON3",
|
1184 |
.iu_version = 0xf3000000,
|
1185 |
.fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
1186 |
.mmu_version = 0xf3000000,
|
1187 |
.mmu_bm = 0x00004000,
|
1188 |
.mmu_ctpr_mask = 0x007ffff0,
|
1189 |
.mmu_cxr_mask = 0x0000003f,
|
1190 |
.mmu_sfsr_mask = 0xffffffff,
|
1191 |
.mmu_trcr_mask = 0xffffffff,
|
1192 |
.nwindows = 8,
|
1193 |
.features = CPU_DEFAULT_FEATURES, |
1194 |
}, |
1195 |
#endif
|
1196 |
}; |
1197 |
|
1198 |
static const char * const feature_name[] = { |
1199 |
"float",
|
1200 |
"float128",
|
1201 |
"swap",
|
1202 |
"mul",
|
1203 |
"div",
|
1204 |
"flush",
|
1205 |
"fsqrt",
|
1206 |
"fmul",
|
1207 |
"vis1",
|
1208 |
"vis2",
|
1209 |
"fsmuld",
|
1210 |
"hypv",
|
1211 |
"cmt",
|
1212 |
"gl",
|
1213 |
}; |
1214 |
|
1215 |
static void print_features(FILE *f, |
1216 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
1217 |
uint32_t features, const char *prefix) |
1218 |
{ |
1219 |
unsigned int i; |
1220 |
|
1221 |
for (i = 0; i < ARRAY_SIZE(feature_name); i++) |
1222 |
if (feature_name[i] && (features & (1 << i))) { |
1223 |
if (prefix)
|
1224 |
(*cpu_fprintf)(f, "%s", prefix);
|
1225 |
(*cpu_fprintf)(f, "%s ", feature_name[i]);
|
1226 |
} |
1227 |
} |
1228 |
|
1229 |
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features) |
1230 |
{ |
1231 |
unsigned int i; |
1232 |
|
1233 |
for (i = 0; i < ARRAY_SIZE(feature_name); i++) |
1234 |
if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
|
1235 |
*features |= 1 << i;
|
1236 |
return;
|
1237 |
} |
1238 |
fprintf(stderr, "CPU feature %s not found\n", flagname);
|
1239 |
} |
1240 |
|
1241 |
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) |
1242 |
{ |
1243 |
unsigned int i; |
1244 |
const sparc_def_t *def = NULL; |
1245 |
char *s = strdup(cpu_model);
|
1246 |
char *featurestr, *name = strtok(s, ","); |
1247 |
uint32_t plus_features = 0;
|
1248 |
uint32_t minus_features = 0;
|
1249 |
long long iu_version; |
1250 |
uint32_t fpu_version, mmu_version, nwindows; |
1251 |
|
1252 |
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { |
1253 |
if (strcasecmp(name, sparc_defs[i].name) == 0) { |
1254 |
def = &sparc_defs[i]; |
1255 |
} |
1256 |
} |
1257 |
if (!def)
|
1258 |
goto error;
|
1259 |
memcpy(cpu_def, def, sizeof(*def));
|
1260 |
|
1261 |
featurestr = strtok(NULL, ","); |
1262 |
while (featurestr) {
|
1263 |
char *val;
|
1264 |
|
1265 |
if (featurestr[0] == '+') { |
1266 |
add_flagname_to_bitmaps(featurestr + 1, &plus_features);
|
1267 |
} else if (featurestr[0] == '-') { |
1268 |
add_flagname_to_bitmaps(featurestr + 1, &minus_features);
|
1269 |
} else if ((val = strchr(featurestr, '='))) { |
1270 |
*val = 0; val++;
|
1271 |
if (!strcmp(featurestr, "iu_version")) { |
1272 |
char *err;
|
1273 |
|
1274 |
iu_version = strtoll(val, &err, 0);
|
1275 |
if (!*val || *err) {
|
1276 |
fprintf(stderr, "bad numerical value %s\n", val);
|
1277 |
goto error;
|
1278 |
} |
1279 |
cpu_def->iu_version = iu_version; |
1280 |
#ifdef DEBUG_FEATURES
|
1281 |
fprintf(stderr, "iu_version %llx\n", iu_version);
|
1282 |
#endif
|
1283 |
} else if (!strcmp(featurestr, "fpu_version")) { |
1284 |
char *err;
|
1285 |
|
1286 |
fpu_version = strtol(val, &err, 0);
|
1287 |
if (!*val || *err) {
|
1288 |
fprintf(stderr, "bad numerical value %s\n", val);
|
1289 |
goto error;
|
1290 |
} |
1291 |
cpu_def->fpu_version = fpu_version; |
1292 |
#ifdef DEBUG_FEATURES
|
1293 |
fprintf(stderr, "fpu_version %llx\n", fpu_version);
|
1294 |
#endif
|
1295 |
} else if (!strcmp(featurestr, "mmu_version")) { |
1296 |
char *err;
|
1297 |
|
1298 |
mmu_version = strtol(val, &err, 0);
|
1299 |
if (!*val || *err) {
|
1300 |
fprintf(stderr, "bad numerical value %s\n", val);
|
1301 |
goto error;
|
1302 |
} |
1303 |
cpu_def->mmu_version = mmu_version; |
1304 |
#ifdef DEBUG_FEATURES
|
1305 |
fprintf(stderr, "mmu_version %llx\n", mmu_version);
|
1306 |
#endif
|
1307 |
} else if (!strcmp(featurestr, "nwindows")) { |
1308 |
char *err;
|
1309 |
|
1310 |
nwindows = strtol(val, &err, 0);
|
1311 |
if (!*val || *err || nwindows > MAX_NWINDOWS ||
|
1312 |
nwindows < MIN_NWINDOWS) { |
1313 |
fprintf(stderr, "bad numerical value %s\n", val);
|
1314 |
goto error;
|
1315 |
} |
1316 |
cpu_def->nwindows = nwindows; |
1317 |
#ifdef DEBUG_FEATURES
|
1318 |
fprintf(stderr, "nwindows %d\n", nwindows);
|
1319 |
#endif
|
1320 |
} else {
|
1321 |
fprintf(stderr, "unrecognized feature %s\n", featurestr);
|
1322 |
goto error;
|
1323 |
} |
1324 |
} else {
|
1325 |
fprintf(stderr, "feature string `%s' not in format "
|
1326 |
"(+feature|-feature|feature=xyz)\n", featurestr);
|
1327 |
goto error;
|
1328 |
} |
1329 |
featurestr = strtok(NULL, ","); |
1330 |
} |
1331 |
cpu_def->features |= plus_features; |
1332 |
cpu_def->features &= ~minus_features; |
1333 |
#ifdef DEBUG_FEATURES
|
1334 |
print_features(stderr, fprintf, cpu_def->features, NULL);
|
1335 |
#endif
|
1336 |
free(s); |
1337 |
return 0; |
1338 |
|
1339 |
error:
|
1340 |
free(s); |
1341 |
return -1; |
1342 |
} |
1343 |
|
1344 |
void sparc_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)) |
1345 |
{ |
1346 |
unsigned int i; |
1347 |
|
1348 |
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { |
1349 |
(*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ", |
1350 |
sparc_defs[i].name, |
1351 |
sparc_defs[i].iu_version, |
1352 |
sparc_defs[i].fpu_version, |
1353 |
sparc_defs[i].mmu_version, |
1354 |
sparc_defs[i].nwindows); |
1355 |
print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES & |
1356 |
~sparc_defs[i].features, "-");
|
1357 |
print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES & |
1358 |
sparc_defs[i].features, "+");
|
1359 |
(*cpu_fprintf)(f, "\n");
|
1360 |
} |
1361 |
(*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
|
1362 |
print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
|
1363 |
(*cpu_fprintf)(f, "\n");
|
1364 |
(*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
|
1365 |
print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
|
1366 |
(*cpu_fprintf)(f, "\n");
|
1367 |
(*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
|
1368 |
"fpu_version mmu_version nwindows\n");
|
1369 |
} |
1370 |
|
1371 |
void cpu_dump_state(CPUState *env, FILE *f,
|
1372 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
1373 |
int flags)
|
1374 |
{ |
1375 |
int i, x;
|
1376 |
|
1377 |
cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, |
1378 |
env->npc); |
1379 |
cpu_fprintf(f, "General Registers:\n");
|
1380 |
for (i = 0; i < 4; i++) |
1381 |
cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]); |
1382 |
cpu_fprintf(f, "\n");
|
1383 |
for (; i < 8; i++) |
1384 |
cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]); |
1385 |
cpu_fprintf(f, "\nCurrent Register Window:\n");
|
1386 |
for (x = 0; x < 3; x++) { |
1387 |
for (i = 0; i < 4; i++) |
1388 |
cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t", |
1389 |
(x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i, |
1390 |
env->regwptr[i + x * 8]);
|
1391 |
cpu_fprintf(f, "\n");
|
1392 |
for (; i < 8; i++) |
1393 |
cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t", |
1394 |
(x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i, |
1395 |
env->regwptr[i + x * 8]);
|
1396 |
cpu_fprintf(f, "\n");
|
1397 |
} |
1398 |
cpu_fprintf(f, "\nFloating Point Registers:\n");
|
1399 |
for (i = 0; i < 32; i++) { |
1400 |
if ((i & 3) == 0) |
1401 |
cpu_fprintf(f, "%%f%02d:", i);
|
1402 |
cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]); |
1403 |
if ((i & 3) == 3) |
1404 |
cpu_fprintf(f, "\n");
|
1405 |
} |
1406 |
#ifdef TARGET_SPARC64
|
1407 |
cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
|
1408 |
env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs); |
1409 |
cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate %d "
|
1410 |
"cleanwin %d cwp %d\n",
|
1411 |
env->cansave, env->canrestore, env->otherwin, env->wstate, |
1412 |
env->cleanwin, env->nwindows - 1 - env->cwp);
|
1413 |
#else
|
1414 |
|
1415 |
#define GET_FLAG(a,b) ((env->psr & a)?b:'-') |
1416 |
|
1417 |
cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n",
|
1418 |
GET_PSR(env), GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'), |
1419 |
GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'), |
1420 |
env->psrs?'S':'-', env->psrps?'P':'-', |
1421 |
env->psret?'E':'-', env->wim); |
1422 |
#endif
|
1423 |
cpu_fprintf(f, "fsr: 0x%08x\n", env->fsr);
|
1424 |
} |