| /* |
| * sparc helpers |
| * |
| * Copyright (c) 2003-2005 Fabrice Bellard |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <inttypes.h> |
| #include <signal.h> |
| |
| #include "cpu.h" |
| #include "exec-all.h" |
| #include "qemu-common.h" |
| |
| //#define DEBUG_MMU |
| //#define DEBUG_FEATURES |
| |
| static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model); |
| |
| /* Sparc MMU emulation */ |
| |
| /* thread support */ |
| |
| static spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED; |
| |
| void cpu_lock(void) |
| { |
| spin_lock(&global_cpu_lock); |
| } |
| |
| void cpu_unlock(void) |
| { |
| spin_unlock(&global_cpu_lock); |
| } |
| |
| #if defined(CONFIG_USER_ONLY) |
| |
| int cpu_sparc_handle_mmu_fault(CPUState *env1, target_ulong address, int rw, |
| int mmu_idx, int is_softmmu) |
| { |
| if (rw & 2) |
| env1->exception_index = TT_TFAULT; |
| else |
| env1->exception_index = TT_DFAULT; |
| return 1; |
| } |
| |
| #else |
| |
| #ifndef TARGET_SPARC64 |
| /* |
| * Sparc V8 Reference MMU (SRMMU) |
| */ |
| static const int access_table[8][8] = { |
| { 0, 0, 0, 0, 8, 0, 12, 12 }, |
| { 0, 0, 0, 0, 8, 0, 0, 0 }, |
| { 8, 8, 0, 0, 0, 8, 12, 12 }, |
| { 8, 8, 0, 0, 0, 8, 0, 0 }, |
| { 8, 0, 8, 0, 8, 8, 12, 12 }, |
| { 8, 0, 8, 0, 8, 0, 8, 0 }, |
| { 8, 8, 8, 0, 8, 8, 12, 12 }, |
| { 8, 8, 8, 0, 8, 8, 8, 0 } |
| }; |
| |
| static const int perm_table[2][8] = { |
| { |
| PAGE_READ, |
| PAGE_READ | PAGE_WRITE, |
| PAGE_READ | PAGE_EXEC, |
| PAGE_READ | PAGE_WRITE | PAGE_EXEC, |
| PAGE_EXEC, |
| PAGE_READ | PAGE_WRITE, |
| PAGE_READ | PAGE_EXEC, |
| PAGE_READ | PAGE_WRITE | PAGE_EXEC |
| }, |
| { |
| PAGE_READ, |
| PAGE_READ | PAGE_WRITE, |
| PAGE_READ | PAGE_EXEC, |
| PAGE_READ | PAGE_WRITE | PAGE_EXEC, |
| PAGE_EXEC, |
| PAGE_READ, |
| 0, |
| 0, |
| } |
| }; |
| |
| static int get_physical_address(CPUState *env, target_phys_addr_t *physical, |
| int *prot, int *access_index, |
| target_ulong address, int rw, int mmu_idx) |
| { |
| int access_perms = 0; |
| target_phys_addr_t pde_ptr; |
| uint32_t pde; |
| int error_code = 0, is_dirty, is_user; |
| unsigned long page_offset; |
| |
| is_user = mmu_idx == MMU_USER_IDX; |
| |
| if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */ |
| // Boot mode: instruction fetches are taken from PROM |
| if (rw == 2 && (env->mmuregs[0] & env->def->mmu_bm)) { |
| *physical = env->prom_addr | (address & 0x7ffffULL); |
| *prot = PAGE_READ | PAGE_EXEC; |
| return 0; |
| } |
| *physical = address; |
| *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; |
| return 0; |
| } |
| |
| *access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1); |
| *physical = 0xffffffffffff0000ULL; |
| |
| /* SPARC reference MMU table walk: Context table->L1->L2->PTE */ |
| /* Context base + context number */ |
| pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2); |
| pde = ldl_phys(pde_ptr); |
| |
| /* Ctx pde */ |
| switch (pde & PTE_ENTRYTYPE_MASK) { |
| default: |
| case 0: /* Invalid */ |
| return 1 << 2; |
| case 2: /* L0 PTE, maybe should not happen? */ |
| case 3: /* Reserved */ |
| return 4 << 2; |
| case 1: /* L0 PDE */ |
| pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4); |
| pde = ldl_phys(pde_ptr); |
| |
| switch (pde & PTE_ENTRYTYPE_MASK) { |
| default: |
| case 0: /* Invalid */ |
| return (1 << 8) | (1 << 2); |
| case 3: /* Reserved */ |
| return (1 << 8) | (4 << 2); |
| case 1: /* L1 PDE */ |
| pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4); |
| pde = ldl_phys(pde_ptr); |
| |
| switch (pde & PTE_ENTRYTYPE_MASK) { |
| default: |
| case 0: /* Invalid */ |
| return (2 << 8) | (1 << 2); |
| case 3: /* Reserved */ |
| return (2 << 8) | (4 << 2); |
| case 1: /* L2 PDE */ |
| pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4); |
| pde = ldl_phys(pde_ptr); |
| |
| switch (pde & PTE_ENTRYTYPE_MASK) { |
| default: |
| case 0: /* Invalid */ |
| return (3 << 8) | (1 << 2); |
| case 1: /* PDE, should not happen */ |
| case 3: /* Reserved */ |
| return (3 << 8) | (4 << 2); |
| case 2: /* L3 PTE */ |
| page_offset = (address & TARGET_PAGE_MASK) & |
| (TARGET_PAGE_SIZE - 1); |
| } |
| break; |
| case 2: /* L2 PTE */ |
| page_offset = address & 0x3ffff; |
| } |
| break; |
| case 2: /* L1 PTE */ |
| page_offset = address & 0xffffff; |
| } |
| } |
| |
| /* check access */ |
| access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT; |
| error_code = access_table[*access_index][access_perms]; |
| if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user)) |
| return error_code; |
| |
| /* update page modified and dirty bits */ |
| is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK); |
| if (!(pde & PG_ACCESSED_MASK) || is_dirty) { |
| pde |= PG_ACCESSED_MASK; |
| if (is_dirty) |
| pde |= PG_MODIFIED_MASK; |
| stl_phys_notdirty(pde_ptr, pde); |
| } |
| |
| /* the page can be put in the TLB */ |
| *prot = perm_table[is_user][access_perms]; |
| if (!(pde & PG_MODIFIED_MASK)) { |
| /* only set write access if already dirty... otherwise wait |
| for dirty access */ |
| *prot &= ~PAGE_WRITE; |
| } |
| |
| /* Even if large ptes, we map only one 4KB page in the cache to |
| avoid filling it too fast */ |
| *physical = ((target_phys_addr_t)(pde & PTE_ADDR_MASK) << 4) + page_offset; |
| return error_code; |
| } |
| |
| /* Perform address translation */ |
| int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
| int mmu_idx, int is_softmmu) |
| { |
| target_phys_addr_t paddr; |
| target_ulong vaddr; |
| int error_code = 0, prot, ret = 0, access_index; |
| |
| error_code = get_physical_address(env, &paddr, &prot, &access_index, |
| address, rw, mmu_idx); |
| if (error_code == 0) { |
| vaddr = address & TARGET_PAGE_MASK; |
| paddr &= TARGET_PAGE_MASK; |
| #ifdef DEBUG_MMU |
| printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr " |
| TARGET_FMT_lx "\n", address, paddr, vaddr); |
| #endif |
| ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu); |
| return ret; |
| } |
| |
| if (env->mmuregs[3]) /* Fault status register */ |
| env->mmuregs[3] = 1; /* overflow (not read before another fault) */ |
| env->mmuregs[3] |= (access_index << 5) | error_code | 2; |
| env->mmuregs[4] = address; /* Fault address register */ |
| |
| if ((env->mmuregs[0] & MMU_NF) || env->psret == 0) { |
| // No fault mode: if a mapping is available, just override |
| // permissions. If no mapping is available, redirect accesses to |
| // neverland. Fake/overridden mappings will be flushed when |
| // switching to normal mode. |
| vaddr = address & TARGET_PAGE_MASK; |
| prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; |
| ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu); |
| return ret; |
| } else { |
| if (rw & 2) |
| env->exception_index = TT_TFAULT; |
| else |
| env->exception_index = TT_DFAULT; |
| return 1; |
| } |
| } |
| |
| target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev) |
| { |
| target_phys_addr_t pde_ptr; |
| uint32_t pde; |
| |
| /* Context base + context number */ |
| pde_ptr = (target_phys_addr_t)(env->mmuregs[1] << 4) + |
| (env->mmuregs[2] << 2); |
| pde = ldl_phys(pde_ptr); |
| |
| switch (pde & PTE_ENTRYTYPE_MASK) { |
| default: |
| case 0: /* Invalid */ |
| case 2: /* PTE, maybe should not happen? */ |
| case 3: /* Reserved */ |
| return 0; |
| case 1: /* L1 PDE */ |
| if (mmulev == 3) |
| return pde; |
| pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4); |
| pde = ldl_phys(pde_ptr); |
| |
| switch (pde & PTE_ENTRYTYPE_MASK) { |
| default: |
| case 0: /* Invalid */ |
| case 3: /* Reserved */ |
| return 0; |
| case 2: /* L1 PTE */ |
| return pde; |
| case 1: /* L2 PDE */ |
| if (mmulev == 2) |
| return pde; |
| pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4); |
| pde = ldl_phys(pde_ptr); |
| |
| switch (pde & PTE_ENTRYTYPE_MASK) { |
| default: |
| case 0: /* Invalid */ |
| case 3: /* Reserved */ |
| return 0; |
| case 2: /* L2 PTE */ |
| return pde; |
| case 1: /* L3 PDE */ |
| if (mmulev == 1) |
| return pde; |
| pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4); |
| pde = ldl_phys(pde_ptr); |
| |
| switch (pde & PTE_ENTRYTYPE_MASK) { |
| default: |
| case 0: /* Invalid */ |
| case 1: /* PDE, should not happen */ |
| case 3: /* Reserved */ |
| return 0; |
| case 2: /* L3 PTE */ |
| return pde; |
| } |
| } |
| } |
| } |
| return 0; |
| } |
| |
| #ifdef DEBUG_MMU |
| void dump_mmu(CPUState *env) |
| { |
| target_ulong va, va1, va2; |
| unsigned int n, m, o; |
| target_phys_addr_t pde_ptr, pa; |
| uint32_t pde; |
| |
| printf("MMU dump:\n"); |
| pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2); |
| pde = ldl_phys(pde_ptr); |
| printf("Root ptr: " TARGET_FMT_plx ", ctx: %d\n", |
| (target_phys_addr_t)env->mmuregs[1] << 4, env->mmuregs[2]); |
| for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) { |
| pde = mmu_probe(env, va, 2); |
| if (pde) { |
| pa = cpu_get_phys_page_debug(env, va); |
| printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx |
| " PDE: " TARGET_FMT_lx "\n", va, pa, pde); |
| for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) { |
| pde = mmu_probe(env, va1, 1); |
| if (pde) { |
| pa = cpu_get_phys_page_debug(env, va1); |
| printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx |
| " PDE: " TARGET_FMT_lx "\n", va1, pa, pde); |
| for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) { |
| pde = mmu_probe(env, va2, 0); |
| if (pde) { |
| pa = cpu_get_phys_page_debug(env, va2); |
| printf(" VA: " TARGET_FMT_lx ", PA: " |
| TARGET_FMT_plx " PTE: " TARGET_FMT_lx "\n", |
| va2, pa, pde); |
| } |
| } |
| } |
| } |
| } |
| } |
| printf("MMU dump ends\n"); |
| } |
| #endif /* DEBUG_MMU */ |
| |
| #else /* !TARGET_SPARC64 */ |
| |
| // 41 bit physical address space |
| static inline target_phys_addr_t ultrasparc_truncate_physical(uint64_t x) |
| { |
| return x & 0x1ffffffffffULL; |
| } |
| |
| /* |
| * UltraSparc IIi I/DMMUs |
| */ |
| |
| static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask) |
| { |
| return (x & mask) == (y & mask); |
| } |
| |
| // Returns true if TTE tag is valid and matches virtual address value in context |
| // requires virtual address mask value calculated from TTE entry size |
| static inline int ultrasparc_tag_match(SparcTLBEntry *tlb, |
| uint64_t address, uint64_t context, |
| target_phys_addr_t *physical, |
| int is_nucleus) |
| { |
| uint64_t mask; |
| |
| switch ((tlb->tte >> 61) & 3) { |
| default: |
| case 0x0: // 8k |
| mask = 0xffffffffffffe000ULL; |
| break; |
| case 0x1: // 64k |
| mask = 0xffffffffffff0000ULL; |
| break; |
| case 0x2: // 512k |
| mask = 0xfffffffffff80000ULL; |
| break; |
| case 0x3: // 4M |
| mask = 0xffffffffffc00000ULL; |
| break; |
| } |
| |
| // valid, context match, virtual address match? |
| if (TTE_IS_VALID(tlb->tte) && |
| ((is_nucleus && compare_masked(0, tlb->tag, 0x1fff)) |
| || TTE_IS_GLOBAL(tlb->tte) || compare_masked(context, tlb->tag, 0x1fff)) |
| && compare_masked(address, tlb->tag, mask)) |
| { |
| // decode physical address |
| *physical = ((tlb->tte & mask) | (address & ~mask)) & 0x1ffffffe000ULL; |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static int get_physical_address_data(CPUState *env, |
| target_phys_addr_t *physical, int *prot, |
| target_ulong address, int rw, int is_user) |
| { |
| unsigned int i; |
| uint64_t context; |
| int is_nucleus; |
| |
| if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */ |
| *physical = ultrasparc_truncate_physical(address); |
| *prot = PAGE_READ | PAGE_WRITE; |
| return 0; |
| } |
| |
| context = env->dmmu.mmu_primary_context & 0x1fff; |
| is_nucleus = env->tl > 0; |
| |
| for (i = 0; i < 64; i++) { |
| // ctx match, vaddr match, valid? |
| if (ultrasparc_tag_match(&env->dtlb[i], |
| address, context, physical, |
| is_nucleus)) { |
| // access ok? |
| if (((env->dtlb[i].tte & 0x4) && is_user) || |
| (!(env->dtlb[i].tte & 0x2) && (rw == 1))) { |
| uint8_t fault_type = 0; |
| |
| if ((env->dtlb[i].tte & 0x4) && is_user) { |
| fault_type |= 1; /* privilege violation */ |
| } |
| |
| if (env->dmmu.sfsr & 1) /* Fault status register */ |
| env->dmmu.sfsr = 2; /* overflow (not read before |
| another fault) */ |
| |
| env->dmmu.sfsr |= (is_user << 3) | ((rw == 1) << 2) | 1; |
| |
| env->dmmu.sfsr |= (fault_type << 7); |
| |
| env->dmmu.sfar = address; /* Fault address register */ |
| env->exception_index = TT_DFAULT; |
| #ifdef DEBUG_MMU |
| printf("DFAULT at 0x%" PRIx64 "\n", address); |
| #endif |
| return 1; |
| } |
| *prot = PAGE_READ; |
| if (env->dtlb[i].tte & 0x2) |
| *prot |= PAGE_WRITE; |
| TTE_SET_USED(env->dtlb[i].tte); |
| return 0; |
| } |
| } |
| #ifdef DEBUG_MMU |
| printf("DMISS at 0x%" PRIx64 "\n", address); |
| #endif |
| env->dmmu.tag_access = (address & ~0x1fffULL) | context; |
| env->exception_index = TT_DMISS; |
| return 1; |
| } |
| |
| static int get_physical_address_code(CPUState *env, |
| target_phys_addr_t *physical, int *prot, |
| target_ulong address, int is_user) |
| { |
| unsigned int i; |
| uint64_t context; |
| int is_nucleus; |
| |
| if ((env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0) { |
| /* IMMU disabled */ |
| *physical = ultrasparc_truncate_physical(address); |
| *prot = PAGE_EXEC; |
| return 0; |
| } |
| |
| context = env->dmmu.mmu_primary_context & 0x1fff; |
| is_nucleus = env->tl > 0; |
| |
| for (i = 0; i < 64; i++) { |
| // ctx match, vaddr match, valid? |
| if (ultrasparc_tag_match(&env->itlb[i], |
| address, context, physical, |
| is_nucleus)) { |
| // access ok? |
| if ((env->itlb[i].tte & 0x4) && is_user) { |
| if (env->immu.sfsr) /* Fault status register */ |
| env->immu.sfsr = 2; /* overflow (not read before |
| another fault) */ |
| env->immu.sfsr |= (is_user << 3) | 1; |
| env->exception_index = TT_TFAULT; |
| #ifdef DEBUG_MMU |
| printf("TFAULT at 0x%" PRIx64 "\n", address); |
| #endif |
| return 1; |
| } |
| *prot = PAGE_EXEC; |
| TTE_SET_USED(env->itlb[i].tte); |
| return 0; |
| } |
| } |
| #ifdef DEBUG_MMU |
| printf("TMISS at 0x%" PRIx64 "\n", address); |
| #endif |
| /* Context is stored in DMMU (dmmuregs[1]) also for IMMU */ |
| env->immu.tag_access = (address & ~0x1fffULL) | context; |
| env->exception_index = TT_TMISS; |
| return 1; |
| } |
| |
| static int get_physical_address(CPUState *env, target_phys_addr_t *physical, |
| int *prot, int *access_index, |
| target_ulong address, int rw, int mmu_idx) |
| { |
| int is_user = mmu_idx == MMU_USER_IDX; |
| |
| if (rw == 2) |
| return get_physical_address_code(env, physical, prot, address, |
| is_user); |
| else |
| return get_physical_address_data(env, physical, prot, address, rw, |
| is_user); |
| } |
| |
| /* Perform address translation */ |
| int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
| int mmu_idx, int is_softmmu) |
| { |
| target_ulong virt_addr, vaddr; |
| target_phys_addr_t paddr; |
| int error_code = 0, prot, ret = 0, access_index; |
| |
| error_code = get_physical_address(env, &paddr, &prot, &access_index, |
| address, rw, mmu_idx); |
| if (error_code == 0) { |
| virt_addr = address & TARGET_PAGE_MASK; |
| vaddr = virt_addr + ((address & TARGET_PAGE_MASK) & |
| (TARGET_PAGE_SIZE - 1)); |
| #ifdef DEBUG_MMU |
| printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64 |
| "\n", address, paddr, vaddr); |
| #endif |
| ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu); |
| return ret; |
| } |
| // XXX |
| return 1; |
| } |
| |
| #ifdef DEBUG_MMU |
| void dump_mmu(CPUState *env) |
| { |
| unsigned int i; |
| const char *mask; |
| |
| printf("MMU contexts: Primary: %" PRId64 ", Secondary: %" PRId64 "\n", |
| env->dmmu.mmu_primary_context, env->dmmu.mmu_secondary_context); |
| if ((env->lsu & DMMU_E) == 0) { |
| printf("DMMU disabled\n"); |
| } else { |
| printf("DMMU dump:\n"); |
| for (i = 0; i < 64; i++) { |
| switch ((env->dtlb[i].tte >> 61) & 3) { |
| default: |
| case 0x0: |
| mask = " 8k"; |
| break; |
| case 0x1: |
| mask = " 64k"; |
| break; |
| case 0x2: |
| mask = "512k"; |
| break; |
| case 0x3: |
| mask = " 4M"; |
| break; |
| } |
| if ((env->dtlb[i].tte & 0x8000000000000000ULL) != 0) { |
| printf("[%02u] VA: %" PRIx64 ", PA: %" PRIx64 |
| ", %s, %s, %s, %s, ctx %" PRId64 " %s\n", |
| i, |
| env->dtlb[i].tag & (uint64_t)~0x1fffULL, |
| env->dtlb[i].tte & (uint64_t)0x1ffffffe000ULL, |
| mask, |
| env->dtlb[i].tte & 0x4? "priv": "user", |
| env->dtlb[i].tte & 0x2? "RW": "RO", |
| env->dtlb[i].tte & 0x40? "locked": "unlocked", |
| env->dtlb[i].tag & (uint64_t)0x1fffULL, |
| TTE_IS_GLOBAL(env->dtlb[i].tag)? "global" : "local"); |
| } |
| } |
| } |
| if ((env->lsu & IMMU_E) == 0) { |
| printf("IMMU disabled\n"); |
| } else { |
| printf("IMMU dump:\n"); |
| for (i = 0; i < 64; i++) { |
| switch ((env->itlb[i].tte >> 61) & 3) { |
| default: |
| case 0x0: |
| mask = " 8k"; |
| break; |
| case 0x1: |
| mask = " 64k"; |
| break; |
| case 0x2: |
| mask = "512k"; |
| break; |
| case 0x3: |
| mask = " 4M"; |
| break; |
| } |
| if ((env->itlb[i].tte & 0x8000000000000000ULL) != 0) { |
| printf("[%02u] VA: %" PRIx64 ", PA: %" PRIx64 |
| ", %s, %s, %s, ctx %" PRId64 " %s\n", |
| i, |
| env->itlb[i].tag & (uint64_t)~0x1fffULL, |
| env->itlb[i].tte & (uint64_t)0x1ffffffe000ULL, |
| mask, |
| env->itlb[i].tte & 0x4? "priv": "user", |
| env->itlb[i].tte & 0x40? "locked": "unlocked", |
| env->itlb[i].tag & (uint64_t)0x1fffULL, |
| TTE_IS_GLOBAL(env->itlb[i].tag)? "global" : "local"); |
| } |
| } |
| } |
| } |
| #endif /* DEBUG_MMU */ |
| |
| #endif /* TARGET_SPARC64 */ |
| #endif /* !CONFIG_USER_ONLY */ |
| |
| |
| #if defined(CONFIG_USER_ONLY) |
| target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
| { |
| return addr; |
| } |
| |
| #else |
| target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
| { |
| target_phys_addr_t phys_addr; |
| int prot, access_index; |
| |
| if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2, |
| MMU_KERNEL_IDX) != 0) |
| if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, |
| 0, MMU_KERNEL_IDX) != 0) |
| return -1; |
| if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED) |
| return -1; |
| return phys_addr; |
| } |
| #endif |
| |
| void cpu_reset(CPUSPARCState *env) |
| { |
| if (qemu_loglevel_mask(CPU_LOG_RESET)) { |
| qemu_log("CPU Reset (CPU %d)\n", env->cpu_index); |
| log_cpu_state(env, 0); |
| } |
| |
| tlb_flush(env, 1); |
| env->cwp = 0; |
| #ifndef TARGET_SPARC64 |
| env->wim = 1; |
| #endif |
| env->regwptr = env->regbase + (env->cwp * 16); |
| CC_OP = CC_OP_FLAGS; |
| #if defined(CONFIG_USER_ONLY) |
| #ifdef TARGET_SPARC64 |
| env->cleanwin = env->nwindows - 2; |
| env->cansave = env->nwindows - 2; |
| env->pstate = PS_RMO | PS_PEF | PS_IE; |
| env->asi = 0x82; // Primary no-fault |
| #endif |
| #else |
| #if !defined(TARGET_SPARC64) |
| env->psret = 0; |
| #endif |
| env->psrs = 1; |
| env->psrps = 1; |
| #ifdef TARGET_SPARC64 |
| env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG; |
| env->hpstate = HS_PRIV; |
| env->tl = env->maxtl; |
| cpu_tsptr(env)->tt = TT_POWER_ON_RESET; |
| env->lsu = 0; |
| #else |
| env->mmuregs[0] &= ~(MMU_E | MMU_NF); |
| env->mmuregs[0] |= env->def->mmu_bm; |
| #endif |
| env->pc = 0; |
| env->npc = env->pc + 4; |
| #endif |
| } |
| |
| static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model) |
| { |
| sparc_def_t def1, *def = &def1; |
| |
| if (cpu_sparc_find_by_name(def, cpu_model) < 0) |
| return -1; |
| |
| env->def = qemu_mallocz(sizeof(*def)); |
| memcpy(env->def, def, sizeof(*def)); |
| #if defined(CONFIG_USER_ONLY) |
| if ((env->def->features & CPU_FEATURE_FLOAT)) |
| env->def->features |= CPU_FEATURE_FLOAT128; |
| #endif |
| env->cpu_model_str = cpu_model; |
| env->version = def->iu_version; |
| env->fsr = def->fpu_version; |
| env->nwindows = def->nwindows; |
| #if !defined(TARGET_SPARC64) |
| env->mmuregs[0] |= def->mmu_version; |
| cpu_sparc_set_id(env, 0); |
| env->mxccregs[7] |= def->mxcc_version; |
| #else |
| env->mmu_version = def->mmu_version; |
| env->maxtl = def->maxtl; |
| env->version |= def->maxtl << 8; |
| env->version |= def->nwindows - 1; |
| #endif |
| return 0; |
| } |
| |
| static void cpu_sparc_close(CPUSPARCState *env) |
| { |
| free(env->def); |
| free(env); |
| } |
| |
| CPUSPARCState *cpu_sparc_init(const char *cpu_model) |
| { |
| CPUSPARCState *env; |
| |
| env = qemu_mallocz(sizeof(CPUSPARCState)); |
| cpu_exec_init(env); |
| |
| gen_intermediate_code_init(env); |
| |
| if (cpu_sparc_register(env, cpu_model) < 0) { |
| cpu_sparc_close(env); |
| return NULL; |
| } |
| qemu_init_vcpu(env); |
| |
| return env; |
| } |
| |
| void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu) |
| { |
| #if !defined(TARGET_SPARC64) |
| env->mxccregs[7] = ((cpu + 8) & 0xf) << 24; |
| #endif |
| } |
| |
| static const sparc_def_t sparc_defs[] = { |
| #ifdef TARGET_SPARC64 |
| { |
| .name = "Fujitsu Sparc64", |
| .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 4, |
| .maxtl = 4, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Fujitsu Sparc64 III", |
| .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 5, |
| .maxtl = 4, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Fujitsu Sparc64 IV", |
| .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Fujitsu Sparc64 V", |
| .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI UltraSparc I", |
| .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI UltraSparc II", |
| .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI UltraSparc IIi", |
| .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI UltraSparc IIe", |
| .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Sun UltraSparc III", |
| .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Sun UltraSparc III Cu", |
| .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_3, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Sun UltraSparc IIIi", |
| .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Sun UltraSparc IV", |
| .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_4, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Sun UltraSparc IV+", |
| .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT, |
| }, |
| { |
| .name = "Sun UltraSparc IIIi+", |
| .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_3, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Sun UltraSparc T1", |
| // defined in sparc_ifu_fdp.v and ctu.h |
| .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_sun4v, |
| .nwindows = 8, |
| .maxtl = 6, |
| .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT |
| | CPU_FEATURE_GL, |
| }, |
| { |
| .name = "Sun UltraSparc T2", |
| // defined in tlu_asi_ctl.v and n2_revid_cust.v |
| .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_sun4v, |
| .nwindows = 8, |
| .maxtl = 6, |
| .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT |
| | CPU_FEATURE_GL, |
| }, |
| { |
| .name = "NEC UltraSparc I", |
| .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)), |
| .fpu_version = 0x00000000, |
| .mmu_version = mmu_us_12, |
| .nwindows = 8, |
| .maxtl = 5, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| #else |
| { |
| .name = "Fujitsu MB86900", |
| .iu_version = 0x00 << 24, /* Impl 0, ver 0 */ |
| .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */ |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 7, |
| .features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD, |
| }, |
| { |
| .name = "Fujitsu MB86904", |
| .iu_version = 0x04 << 24, /* Impl 0, ver 4 */ |
| .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */ |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x00ffffc0, |
| .mmu_cxr_mask = 0x000000ff, |
| .mmu_sfsr_mask = 0x00016fff, |
| .mmu_trcr_mask = 0x00ffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Fujitsu MB86907", |
| .iu_version = 0x05 << 24, /* Impl 0, ver 5 */ |
| .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */ |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0xffffffc0, |
| .mmu_cxr_mask = 0x000000ff, |
| .mmu_sfsr_mask = 0x00016fff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "LSI L64811", |
| .iu_version = 0x10 << 24, /* Impl 1, ver 0 */ |
| .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */ |
| .mmu_version = 0x10 << 24, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| CPU_FEATURE_FSMULD, |
| }, |
| { |
| .name = "Cypress CY7C601", |
| .iu_version = 0x11 << 24, /* Impl 1, ver 1 */ |
| .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */ |
| .mmu_version = 0x10 << 24, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| CPU_FEATURE_FSMULD, |
| }, |
| { |
| .name = "Cypress CY7C611", |
| .iu_version = 0x13 << 24, /* Impl 1, ver 3 */ |
| .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */ |
| .mmu_version = 0x10 << 24, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| CPU_FEATURE_FSMULD, |
| }, |
| { |
| .name = "TI MicroSparc I", |
| .iu_version = 0x41000000, |
| .fpu_version = 4 << 17, |
| .mmu_version = 0x41000000, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0x00016fff, |
| .mmu_trcr_mask = 0x0000003f, |
| .nwindows = 7, |
| .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL | |
| CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | |
| CPU_FEATURE_FMUL, |
| }, |
| { |
| .name = "TI MicroSparc II", |
| .iu_version = 0x42000000, |
| .fpu_version = 4 << 17, |
| .mmu_version = 0x02000000, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x00ffffc0, |
| .mmu_cxr_mask = 0x000000ff, |
| .mmu_sfsr_mask = 0x00016fff, |
| .mmu_trcr_mask = 0x00ffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI MicroSparc IIep", |
| .iu_version = 0x42000000, |
| .fpu_version = 4 << 17, |
| .mmu_version = 0x04000000, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x00ffffc0, |
| .mmu_cxr_mask = 0x000000ff, |
| .mmu_sfsr_mask = 0x00016bff, |
| .mmu_trcr_mask = 0x00ffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI SuperSparc 40", // STP1020NPGA |
| .iu_version = 0x41000000, // SuperSPARC 2.x |
| .fpu_version = 0 << 17, |
| .mmu_version = 0x00000800, // SuperSPARC 2.x, no MXCC |
| .mmu_bm = 0x00002000, |
| .mmu_ctpr_mask = 0xffffffc0, |
| .mmu_cxr_mask = 0x0000ffff, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI SuperSparc 50", // STP1020PGA |
| .iu_version = 0x40000000, // SuperSPARC 3.x |
| .fpu_version = 0 << 17, |
| .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC |
| .mmu_bm = 0x00002000, |
| .mmu_ctpr_mask = 0xffffffc0, |
| .mmu_cxr_mask = 0x0000ffff, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI SuperSparc 51", |
| .iu_version = 0x40000000, // SuperSPARC 3.x |
| .fpu_version = 0 << 17, |
| .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC |
| .mmu_bm = 0x00002000, |
| .mmu_ctpr_mask = 0xffffffc0, |
| .mmu_cxr_mask = 0x0000ffff, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .mxcc_version = 0x00000104, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI SuperSparc 60", // STP1020APGA |
| .iu_version = 0x40000000, // SuperSPARC 3.x |
| .fpu_version = 0 << 17, |
| .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC |
| .mmu_bm = 0x00002000, |
| .mmu_ctpr_mask = 0xffffffc0, |
| .mmu_cxr_mask = 0x0000ffff, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI SuperSparc 61", |
| .iu_version = 0x44000000, // SuperSPARC 3.x |
| .fpu_version = 0 << 17, |
| .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC |
| .mmu_bm = 0x00002000, |
| .mmu_ctpr_mask = 0xffffffc0, |
| .mmu_cxr_mask = 0x0000ffff, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .mxcc_version = 0x00000104, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "TI SuperSparc II", |
| .iu_version = 0x40000000, // SuperSPARC II 1.x |
| .fpu_version = 0 << 17, |
| .mmu_version = 0x08000000, // SuperSPARC II 1.x, MXCC |
| .mmu_bm = 0x00002000, |
| .mmu_ctpr_mask = 0xffffffc0, |
| .mmu_cxr_mask = 0x0000ffff, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .mxcc_version = 0x00000104, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Ross RT625", |
| .iu_version = 0x1e000000, |
| .fpu_version = 1 << 17, |
| .mmu_version = 0x1e000000, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "Ross RT620", |
| .iu_version = 0x1f000000, |
| .fpu_version = 1 << 17, |
| .mmu_version = 0x1f000000, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "BIT B5010", |
| .iu_version = 0x20000000, |
| .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */ |
| .mmu_version = 0x20000000, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT | |
| CPU_FEATURE_FSMULD, |
| }, |
| { |
| .name = "Matsushita MN10501", |
| .iu_version = 0x50000000, |
| .fpu_version = 0 << 17, |
| .mmu_version = 0x50000000, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT | |
| CPU_FEATURE_FSMULD, |
| }, |
| { |
| .name = "Weitek W8601", |
| .iu_version = 0x90 << 24, /* Impl 9, ver 0 */ |
| .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */ |
| .mmu_version = 0x10 << 24, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "LEON2", |
| .iu_version = 0xf2000000, |
| .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| .mmu_version = 0xf2000000, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| { |
| .name = "LEON3", |
| .iu_version = 0xf3000000, |
| .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */ |
| .mmu_version = 0xf3000000, |
| .mmu_bm = 0x00004000, |
| .mmu_ctpr_mask = 0x007ffff0, |
| .mmu_cxr_mask = 0x0000003f, |
| .mmu_sfsr_mask = 0xffffffff, |
| .mmu_trcr_mask = 0xffffffff, |
| .nwindows = 8, |
| .features = CPU_DEFAULT_FEATURES, |
| }, |
| #endif |
| }; |
| |
| static const char * const feature_name[] = { |
| "float", |
| "float128", |
| "swap", |
| "mul", |
| "div", |
| "flush", |
| "fsqrt", |
| "fmul", |
| "vis1", |
| "vis2", |
| "fsmuld", |
| "hypv", |
| "cmt", |
| "gl", |
| }; |
| |
| static void print_features(FILE *f, |
| int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| uint32_t features, const char *prefix) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < ARRAY_SIZE(feature_name); i++) |
| if (feature_name[i] && (features & (1 << i))) { |
| if (prefix) |
| (*cpu_fprintf)(f, "%s", prefix); |
| (*cpu_fprintf)(f, "%s ", feature_name[i]); |
| } |
| } |
| |
| static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < ARRAY_SIZE(feature_name); i++) |
| if (feature_name[i] && !strcmp(flagname, feature_name[i])) { |
| *features |= 1 << i; |
| return; |
| } |
| fprintf(stderr, "CPU feature %s not found\n", flagname); |
| } |
| |
| static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model) |
| { |
| unsigned int i; |
| const sparc_def_t *def = NULL; |
| char *s = strdup(cpu_model); |
| char *featurestr, *name = strtok(s, ","); |
| uint32_t plus_features = 0; |
| uint32_t minus_features = 0; |
| long long iu_version; |
| uint32_t fpu_version, mmu_version, nwindows; |
| |
| for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { |
| if (strcasecmp(name, sparc_defs[i].name) == 0) { |
| def = &sparc_defs[i]; |
| } |
| } |
| if (!def) |
| goto error; |
| memcpy(cpu_def, def, sizeof(*def)); |
| |
| featurestr = strtok(NULL, ","); |
| while (featurestr) { |
| char *val; |
| |
| if (featurestr[0] == '+') { |
| add_flagname_to_bitmaps(featurestr + 1, &plus_features); |
| } else if (featurestr[0] == '-') { |
| add_flagname_to_bitmaps(featurestr + 1, &minus_features); |
| } else if ((val = strchr(featurestr, '='))) { |
| *val = 0; val++; |
| if (!strcmp(featurestr, "iu_version")) { |
| char *err; |
| |
| iu_version = strtoll(val, &err, 0); |
| if (!*val || *err) { |
| fprintf(stderr, "bad numerical value %s\n", val); |
| goto error; |
| } |
| cpu_def->iu_version = iu_version; |
| #ifdef DEBUG_FEATURES |
| fprintf(stderr, "iu_version %llx\n", iu_version); |
| #endif |
| } else if (!strcmp(featurestr, "fpu_version")) { |
| char *err; |
| |
| fpu_version = strtol(val, &err, 0); |
| if (!*val || *err) { |
| fprintf(stderr, "bad numerical value %s\n", val); |
| goto error; |
| } |
| cpu_def->fpu_version = fpu_version; |
| #ifdef DEBUG_FEATURES |
| fprintf(stderr, "fpu_version %x\n", fpu_version); |
| #endif |
| } else if (!strcmp(featurestr, "mmu_version")) { |
| char *err; |
| |
| mmu_version = strtol(val, &err, 0); |
| if (!*val || *err) { |
| fprintf(stderr, "bad numerical value %s\n", val); |
| goto error; |
| } |
| cpu_def->mmu_version = mmu_version; |
| #ifdef DEBUG_FEATURES |
| fprintf(stderr, "mmu_version %x\n", mmu_version); |
| #endif |
| } else if (!strcmp(featurestr, "nwindows")) { |
| char *err; |
| |
| nwindows = strtol(val, &err, 0); |
| if (!*val || *err || nwindows > MAX_NWINDOWS || |
| nwindows < MIN_NWINDOWS) { |
| fprintf(stderr, "bad numerical value %s\n", val); |
| goto error; |
| } |
| cpu_def->nwindows = nwindows; |
| #ifdef DEBUG_FEATURES |
| fprintf(stderr, "nwindows %d\n", nwindows); |
| #endif |
| } else { |
| fprintf(stderr, "unrecognized feature %s\n", featurestr); |
| goto error; |
| } |
| } else { |
| fprintf(stderr, "feature string `%s' not in format " |
| "(+feature|-feature|feature=xyz)\n", featurestr); |
| goto error; |
| } |
| featurestr = strtok(NULL, ","); |
| } |
| cpu_def->features |= plus_features; |
| cpu_def->features &= ~minus_features; |
| #ifdef DEBUG_FEATURES |
| print_features(stderr, fprintf, cpu_def->features, NULL); |
| #endif |
| free(s); |
| return 0; |
| |
| error: |
| free(s); |
| return -1; |
| } |
| |
| void sparc_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...)) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) { |
| (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ", |
| sparc_defs[i].name, |
| sparc_defs[i].iu_version, |
| sparc_defs[i].fpu_version, |
| sparc_defs[i].mmu_version, |
| sparc_defs[i].nwindows); |
| print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES & |
| ~sparc_defs[i].features, "-"); |
| print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES & |
| sparc_defs[i].features, "+"); |
| (*cpu_fprintf)(f, "\n"); |
| } |
| (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): "); |
| print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL); |
| (*cpu_fprintf)(f, "\n"); |
| (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): "); |
| print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL); |
| (*cpu_fprintf)(f, "\n"); |
| (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version " |
| "fpu_version mmu_version nwindows\n"); |
| } |
| |
| static void cpu_print_cc(FILE *f, |
| int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| uint32_t cc) |
| { |
| cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG? 'N' : '-', |
| cc & PSR_ZERO? 'Z' : '-', cc & PSR_OVF? 'V' : '-', |
| cc & PSR_CARRY? 'C' : '-'); |
| } |
| |
| #ifdef TARGET_SPARC64 |
| #define REGS_PER_LINE 4 |
| #else |
| #define REGS_PER_LINE 8 |
| #endif |
| |
| void cpu_dump_state(CPUState *env, FILE *f, |
| int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| int flags) |
| { |
| int i, x; |
| |
| cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, |
| env->npc); |
| cpu_fprintf(f, "General Registers:\n"); |
| |
| for (i = 0; i < 8; i++) { |
| if (i % REGS_PER_LINE == 0) { |
| cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1); |
| } |
| cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]); |
| if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { |
| cpu_fprintf(f, "\n"); |
| } |
| } |
| cpu_fprintf(f, "\nCurrent Register Window:\n"); |
| for (x = 0; x < 3; x++) { |
| for (i = 0; i < 8; i++) { |
| if (i % REGS_PER_LINE == 0) { |
| cpu_fprintf(f, "%%%c%d-%d: ", |
| x == 0 ? 'o' : (x == 1 ? 'l' : 'i'), |
| i, i + REGS_PER_LINE - 1); |
| } |
| cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]); |
| if (i % REGS_PER_LINE == REGS_PER_LINE - 1) { |
| cpu_fprintf(f, "\n"); |
| } |
| } |
| } |
| cpu_fprintf(f, "\nFloating Point Registers:\n"); |
| for (i = 0; i < TARGET_FPREGS; i++) { |
| if ((i & 3) == 0) |
| cpu_fprintf(f, "%%f%02d:", i); |
| cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]); |
| if ((i & 3) == 3) |
| cpu_fprintf(f, "\n"); |
| } |
| #ifdef TARGET_SPARC64 |
| cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate, |
| GET_CCR(env)); |
| cpu_print_cc(f, cpu_fprintf, GET_CCR(env) << PSR_CARRY_SHIFT); |
| cpu_fprintf(f, " xcc: "); |
| cpu_print_cc(f, cpu_fprintf, GET_CCR(env) << (PSR_CARRY_SHIFT - 4)); |
| cpu_fprintf(f, ") asi: %02x tl: %d pil: %x\n", env->asi, env->tl, |
| env->psrpil); |
| cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d " |
| "cleanwin: %d cwp: %d\n", |
| env->cansave, env->canrestore, env->otherwin, env->wstate, |
| env->cleanwin, env->nwindows - 1 - env->cwp); |
| cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: " |
| TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs); |
| #else |
| cpu_fprintf(f, "psr: %08x (icc: ", GET_PSR(env)); |
| cpu_print_cc(f, cpu_fprintf, GET_PSR(env)); |
| cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs? 'S' : '-', |
| env->psrps? 'P' : '-', env->psret? 'E' : '-', |
| env->wim); |
| cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n", |
| env->fsr, env->y); |
| #endif |
| } |
