 ca10f86763
			
		
	
	
		ca10f86763
		
	
	
	
	
		
			
			(Kevin Wolf) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4191 c046a42c-6fe2-441c-8c8c-71466251a162
		
			
				
	
	
		
			1154 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1154 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  *  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, write to the Free Software
 | |
|  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 | |
|  */
 | |
| #include <stdarg.h>
 | |
| #include <stdlib.h>
 | |
| #include <stdio.h>
 | |
| #include <string.h>
 | |
| #include <inttypes.h>
 | |
| #include <signal.h>
 | |
| #include <assert.h>
 | |
| 
 | |
| #include "cpu.h"
 | |
| #include "exec-all.h"
 | |
| #include "qemu-common.h"
 | |
| 
 | |
| //#define DEBUG_MMU
 | |
| 
 | |
| typedef struct sparc_def_t sparc_def_t;
 | |
| 
 | |
| struct sparc_def_t {
 | |
|     const unsigned char *name;
 | |
|     target_ulong iu_version;
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|     uint32_t fpu_version;
 | |
|     uint32_t mmu_version;
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|     uint32_t mmu_bm;
 | |
|     uint32_t mmu_ctpr_mask;
 | |
|     uint32_t mmu_cxr_mask;
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|     uint32_t mmu_sfsr_mask;
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|     uint32_t mmu_trcr_mask;
 | |
| };
 | |
| 
 | |
| static const sparc_def_t *cpu_sparc_find_by_name(const unsigned char *name);
 | |
| 
 | |
| /* Sparc MMU emulation */
 | |
| 
 | |
| /* thread support */
 | |
| 
 | |
| 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 *env, target_ulong address, int rw,
 | |
|                                int mmu_idx, int is_softmmu)
 | |
| {
 | |
|     if (rw & 2)
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|         env->exception_index = TT_TFAULT;
 | |
|     else
 | |
|         env->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, 2, 0, 3, 3 },
 | |
|     { 0, 0, 0, 0, 2, 0, 0, 0 },
 | |
|     { 2, 2, 0, 0, 0, 2, 3, 3 },
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|     { 2, 2, 0, 0, 0, 2, 0, 0 },
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|     { 2, 0, 2, 0, 2, 2, 3, 3 },
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|     { 2, 0, 2, 0, 2, 0, 2, 0 },
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|     { 2, 2, 2, 0, 2, 2, 3, 3 },
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|     { 2, 2, 2, 0, 2, 2, 2, 0 }
 | |
| };
 | |
| 
 | |
| static const int perm_table[2][8] = {
 | |
|     {
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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
 | |
|     },
 | |
|     {
 | |
|         PAGE_READ,
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|         PAGE_READ | PAGE_WRITE,
 | |
|         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,
 | |
|         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;
 | |
|     target_ulong virt_addr;
 | |
|     int error_code = 0, is_dirty, is_user;
 | |
|     unsigned long page_offset;
 | |
| 
 | |
|     is_user = mmu_idx == MMU_USER_IDX;
 | |
|     virt_addr = address & TARGET_PAGE_MASK;
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| 
 | |
|     if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
 | |
|         // Boot mode: instruction fetches are taken from PROM
 | |
|         if (rw == 2 && (env->mmuregs[0] & env->mmu_bm)) {
 | |
|             *physical = env->prom_addr | (address & 0x7ffffULL);
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|             *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);
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| 
 | |
|         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 */
 | |
|                     virt_addr = address & TARGET_PAGE_MASK;
 | |
|                     page_offset = (address & TARGET_PAGE_MASK) & (TARGET_PAGE_SIZE - 1);
 | |
|                 }
 | |
|                 break;
 | |
|             case 2: /* L2 PTE */
 | |
|                 virt_addr = address & ~0x3ffff;
 | |
|                 page_offset = address & 0x3ffff;
 | |
|             }
 | |
|             break;
 | |
|         case 2: /* L1 PTE */
 | |
|             virt_addr = address & ~0xffffff;
 | |
|             page_offset = address & 0xffffff;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /* 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);
 | |
|     }
 | |
|     /* 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;
 | |
| 
 | |
|     /* 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
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|            for dirty access */
 | |
|         *prot &= ~PAGE_WRITE;
 | |
|     }
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| 
 | |
|     /* Even if large ptes, we map only one 4KB page in the cache to
 | |
|        avoid filling it too fast */
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|     *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 */
 | |
| /*
 | |
|  * UltraSparc IIi I/DMMUs
 | |
|  */
 | |
| static int get_physical_address_data(CPUState *env, target_phys_addr_t *physical, int *prot,
 | |
|                           int *access_index, target_ulong address, int rw,
 | |
|                           int is_user)
 | |
| {
 | |
|     target_ulong mask;
 | |
|     unsigned int i;
 | |
| 
 | |
|     if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */
 | |
|         *physical = address;
 | |
|         *prot = PAGE_READ | PAGE_WRITE;
 | |
|         return 0;
 | |
|     }
 | |
| 
 | |
|     for (i = 0; i < 64; i++) {
 | |
|         switch ((env->dtlb_tte[i] >> 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;
 | |
|         }
 | |
|         // ctx match, vaddr match?
 | |
|         if (env->dmmuregs[1] == (env->dtlb_tag[i] & 0x1fff) &&
 | |
|             (address & mask) == (env->dtlb_tag[i] & ~0x1fffULL)) {
 | |
|             // valid, access ok?
 | |
|             if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0 ||
 | |
|                 ((env->dtlb_tte[i] & 0x4) && is_user) ||
 | |
|                 (!(env->dtlb_tte[i] & 0x2) && (rw == 1))) {
 | |
|                 if (env->dmmuregs[3]) /* Fault status register */
 | |
|                     env->dmmuregs[3] = 2; /* overflow (not read before another fault) */
 | |
|                 env->dmmuregs[3] |= (is_user << 3) | ((rw == 1) << 2) | 1;
 | |
|                 env->dmmuregs[4] = address; /* Fault address register */
 | |
|                 env->exception_index = TT_DFAULT;
 | |
| #ifdef DEBUG_MMU
 | |
|                 printf("DFAULT at 0x%" PRIx64 "\n", address);
 | |
| #endif
 | |
|                 return 1;
 | |
|             }
 | |
|             *physical = (env->dtlb_tte[i] & mask & 0x1fffffff000ULL) + (address & ~mask & 0x1fffffff000ULL);
 | |
|             *prot = PAGE_READ;
 | |
|             if (env->dtlb_tte[i] & 0x2)
 | |
|                 *prot |= PAGE_WRITE;
 | |
|             return 0;
 | |
|         }
 | |
|     }
 | |
| #ifdef DEBUG_MMU
 | |
|     printf("DMISS at 0x%" PRIx64 "\n", address);
 | |
| #endif
 | |
|     env->exception_index = TT_DMISS;
 | |
|     return 1;
 | |
| }
 | |
| 
 | |
| static int get_physical_address_code(CPUState *env, target_phys_addr_t *physical, int *prot,
 | |
|                           int *access_index, target_ulong address, int rw,
 | |
|                           int is_user)
 | |
| {
 | |
|     target_ulong mask;
 | |
|     unsigned int i;
 | |
| 
 | |
|     if ((env->lsu & IMMU_E) == 0) { /* IMMU disabled */
 | |
|         *physical = address;
 | |
|         *prot = PAGE_EXEC;
 | |
|         return 0;
 | |
|     }
 | |
| 
 | |
|     for (i = 0; i < 64; i++) {
 | |
|         switch ((env->itlb_tte[i] >> 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;
 | |
|         }
 | |
|         // ctx match, vaddr match?
 | |
|         if (env->dmmuregs[1] == (env->itlb_tag[i] & 0x1fff) &&
 | |
|             (address & mask) == (env->itlb_tag[i] & ~0x1fffULL)) {
 | |
|             // valid, access ok?
 | |
|             if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0 ||
 | |
|                 ((env->itlb_tte[i] & 0x4) && is_user)) {
 | |
|                 if (env->immuregs[3]) /* Fault status register */
 | |
|                     env->immuregs[3] = 2; /* overflow (not read before another fault) */
 | |
|                 env->immuregs[3] |= (is_user << 3) | 1;
 | |
|                 env->exception_index = TT_TFAULT;
 | |
| #ifdef DEBUG_MMU
 | |
|                 printf("TFAULT at 0x%" PRIx64 "\n", address);
 | |
| #endif
 | |
|                 return 1;
 | |
|             }
 | |
|             *physical = (env->itlb_tte[i] & mask & 0x1fffffff000ULL) + (address & ~mask & 0x1fffffff000ULL);
 | |
|             *prot = PAGE_EXEC;
 | |
|             return 0;
 | |
|         }
 | |
|     }
 | |
| #ifdef DEBUG_MMU
 | |
|     printf("TMISS at 0x%" PRIx64 "\n", address);
 | |
| #endif
 | |
|     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, access_index, address, rw, is_user);
 | |
|     else
 | |
|         return get_physical_address_data(env, physical, prot, access_index, 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->dmmuregs[1], env->dmmuregs[2]);
 | |
|     if ((env->lsu & DMMU_E) == 0) {
 | |
|         printf("DMMU disabled\n");
 | |
|     } else {
 | |
|         printf("DMMU dump:\n");
 | |
|         for (i = 0; i < 64; i++) {
 | |
|             switch ((env->dtlb_tte[i] >> 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_tte[i] & 0x8000000000000000ULL) != 0) {
 | |
|                 printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx ", %s, %s, %s, %s, ctx %" PRId64 "\n",
 | |
|                        env->dtlb_tag[i] & ~0x1fffULL,
 | |
|                        env->dtlb_tte[i] & 0x1ffffffe000ULL,
 | |
|                        mask,
 | |
|                        env->dtlb_tte[i] & 0x4? "priv": "user",
 | |
|                        env->dtlb_tte[i] & 0x2? "RW": "RO",
 | |
|                        env->dtlb_tte[i] & 0x40? "locked": "unlocked",
 | |
|                        env->dtlb_tag[i] & 0x1fffULL);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     if ((env->lsu & IMMU_E) == 0) {
 | |
|         printf("IMMU disabled\n");
 | |
|     } else {
 | |
|         printf("IMMU dump:\n");
 | |
|         for (i = 0; i < 64; i++) {
 | |
|             switch ((env->itlb_tte[i] >> 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_tte[i] & 0x8000000000000000ULL) != 0) {
 | |
|                 printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx ", %s, %s, %s, ctx %" PRId64 "\n",
 | |
|                        env->itlb_tag[i] & ~0x1fffULL,
 | |
|                        env->itlb_tte[i] & 0x1ffffffe000ULL,
 | |
|                        mask,
 | |
|                        env->itlb_tte[i] & 0x4? "priv": "user",
 | |
|                        env->itlb_tte[i] & 0x40? "locked": "unlocked",
 | |
|                        env->itlb_tag[i] & 0x1fffULL);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| }
 | |
| #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 memcpy32(target_ulong *dst, const target_ulong *src)
 | |
| {
 | |
|     dst[0] = src[0];
 | |
|     dst[1] = src[1];
 | |
|     dst[2] = src[2];
 | |
|     dst[3] = src[3];
 | |
|     dst[4] = src[4];
 | |
|     dst[5] = src[5];
 | |
|     dst[6] = src[6];
 | |
|     dst[7] = src[7];
 | |
| }
 | |
| 
 | |
| void helper_flush(target_ulong addr)
 | |
| {
 | |
|     addr &= ~7;
 | |
|     tb_invalidate_page_range(addr, addr + 8);
 | |
| }
 | |
| 
 | |
| void cpu_reset(CPUSPARCState *env)
 | |
| {
 | |
|     tlb_flush(env, 1);
 | |
|     env->cwp = 0;
 | |
|     env->wim = 1;
 | |
|     env->regwptr = env->regbase + (env->cwp * 16);
 | |
| #if defined(CONFIG_USER_ONLY)
 | |
|     env->user_mode_only = 1;
 | |
| #ifdef TARGET_SPARC64
 | |
|     env->cleanwin = NWINDOWS - 2;
 | |
|     env->cansave = NWINDOWS - 2;
 | |
|     env->pstate = PS_RMO | PS_PEF | PS_IE;
 | |
|     env->asi = 0x82; // Primary no-fault
 | |
| #endif
 | |
| #else
 | |
|     env->psret = 0;
 | |
|     env->psrs = 1;
 | |
|     env->psrps = 1;
 | |
| #ifdef TARGET_SPARC64
 | |
|     env->pstate = PS_PRIV;
 | |
|     env->hpstate = HS_PRIV;
 | |
|     env->pc = 0x1fff0000000ULL;
 | |
|     env->tsptr = &env->ts[env->tl];
 | |
| #else
 | |
|     env->pc = 0;
 | |
|     env->mmuregs[0] &= ~(MMU_E | MMU_NF);
 | |
|     env->mmuregs[0] |= env->mmu_bm;
 | |
| #endif
 | |
|     env->npc = env->pc + 4;
 | |
| #endif
 | |
| }
 | |
| 
 | |
| CPUSPARCState *cpu_sparc_init(const char *cpu_model)
 | |
| {
 | |
|     CPUSPARCState *env;
 | |
|     const sparc_def_t *def;
 | |
| 
 | |
|     def = cpu_sparc_find_by_name(cpu_model);
 | |
|     if (!def)
 | |
|         return NULL;
 | |
| 
 | |
|     env = qemu_mallocz(sizeof(CPUSPARCState));
 | |
|     if (!env)
 | |
|         return NULL;
 | |
|     cpu_exec_init(env);
 | |
|     env->cpu_model_str = cpu_model;
 | |
|     env->version = def->iu_version;
 | |
|     env->fsr = def->fpu_version;
 | |
| #if !defined(TARGET_SPARC64)
 | |
|     env->mmu_bm = def->mmu_bm;
 | |
|     env->mmu_ctpr_mask = def->mmu_ctpr_mask;
 | |
|     env->mmu_cxr_mask = def->mmu_cxr_mask;
 | |
|     env->mmu_sfsr_mask = def->mmu_sfsr_mask;
 | |
|     env->mmu_trcr_mask = def->mmu_trcr_mask;
 | |
|     env->mmuregs[0] |= def->mmu_version;
 | |
|     cpu_sparc_set_id(env, 0);
 | |
| #endif
 | |
| 
 | |
|     gen_intermediate_code_init(env);
 | |
| 
 | |
|     cpu_reset(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)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "Fujitsu Sparc64 III",
 | |
|         .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "Fujitsu Sparc64 IV",
 | |
|         .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "Fujitsu Sparc64 V",
 | |
|         .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "TI UltraSparc I",
 | |
|         .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "TI UltraSparc II",
 | |
|         .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "TI UltraSparc IIi",
 | |
|         .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "TI UltraSparc IIe",
 | |
|         .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "Sun UltraSparc III",
 | |
|         .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "Sun UltraSparc III Cu",
 | |
|         .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "Sun UltraSparc IIIi",
 | |
|         .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "Sun UltraSparc IV",
 | |
|         .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "Sun UltraSparc IV+",
 | |
|         .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "Sun UltraSparc IIIi+",
 | |
|         .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
|     {
 | |
|         .name = "NEC UltraSparc I",
 | |
|         .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)
 | |
|                        | (MAXTL << 8) | (NWINDOWS - 1)),
 | |
|         .fpu_version = 0x00000000,
 | |
|         .mmu_version = 0,
 | |
|     },
 | |
| #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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .name = "TI SuperSparc II",
 | |
|         .iu_version = 0x40000000,
 | |
|         .fpu_version = 0 << 17,
 | |
|         .mmu_version = 0x04000000,
 | |
|         .mmu_bm = 0x00002000,
 | |
|         .mmu_ctpr_mask = 0xffffffc0,
 | |
|         .mmu_cxr_mask = 0x0000ffff,
 | |
|         .mmu_sfsr_mask = 0xffffffff,
 | |
|         .mmu_trcr_mask = 0xffffffff,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .name = "TI SuperSparc 51",
 | |
|         .iu_version = 0x43000000,
 | |
|         .fpu_version = 0 << 17,
 | |
|         .mmu_version = 0x04000000,
 | |
|         .mmu_bm = 0x00002000,
 | |
|         .mmu_ctpr_mask = 0xffffffc0,
 | |
|         .mmu_cxr_mask = 0x0000ffff,
 | |
|         .mmu_sfsr_mask = 0xffffffff,
 | |
|         .mmu_trcr_mask = 0xffffffff,
 | |
|     },
 | |
|     {
 | |
|         .name = "TI SuperSparc 61",
 | |
|         .iu_version = 0x44000000,
 | |
|         .fpu_version = 0 << 17,
 | |
|         .mmu_version = 0x04000000,
 | |
|         .mmu_bm = 0x00002000,
 | |
|         .mmu_ctpr_mask = 0xffffffc0,
 | |
|         .mmu_cxr_mask = 0x0000ffff,
 | |
|         .mmu_sfsr_mask = 0xffffffff,
 | |
|         .mmu_trcr_mask = 0xffffffff,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
|     {
 | |
|         .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,
 | |
|     },
 | |
| #endif
 | |
| };
 | |
| 
 | |
| static const sparc_def_t *cpu_sparc_find_by_name(const unsigned char *name)
 | |
| {
 | |
|     unsigned int i;
 | |
| 
 | |
|     for (i = 0; i < sizeof(sparc_defs) / sizeof(sparc_def_t); i++) {
 | |
|         if (strcasecmp(name, sparc_defs[i].name) == 0) {
 | |
|             return &sparc_defs[i];
 | |
|         }
 | |
|     }
 | |
|     return NULL;
 | |
| }
 | |
| 
 | |
| void sparc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
 | |
| {
 | |
|     unsigned int i;
 | |
| 
 | |
|     for (i = 0; i < sizeof(sparc_defs) / sizeof(sparc_def_t); i++) {
 | |
|         (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x\n",
 | |
|                        sparc_defs[i].name,
 | |
|                        sparc_defs[i].iu_version,
 | |
|                        sparc_defs[i].fpu_version,
 | |
|                        sparc_defs[i].mmu_version);
 | |
|     }
 | |
| }
 | |
| 
 | |
| #define GET_FLAG(a,b) ((env->psr & a)?b:'-')
 | |
| 
 | |
| 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 < 4; i++)
 | |
|         cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
 | |
|     cpu_fprintf(f, "\n");
 | |
|     for (; i < 8; i++)
 | |
|         cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
 | |
|     cpu_fprintf(f, "\nCurrent Register Window:\n");
 | |
|     for (x = 0; x < 3; x++) {
 | |
|         for (i = 0; i < 4; i++)
 | |
|             cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
 | |
|                     (x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i,
 | |
|                     env->regwptr[i + x * 8]);
 | |
|         cpu_fprintf(f, "\n");
 | |
|         for (; i < 8; i++)
 | |
|             cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
 | |
|                     (x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i,
 | |
|                     env->regwptr[i + x * 8]);
 | |
|         cpu_fprintf(f, "\n");
 | |
|     }
 | |
|     cpu_fprintf(f, "\nFloating Point Registers:\n");
 | |
|     for (i = 0; i < 32; i++) {
 | |
|         if ((i & 3) == 0)
 | |
|             cpu_fprintf(f, "%%f%02d:", i);
 | |
|         cpu_fprintf(f, " %016lf", env->fpr[i]);
 | |
|         if ((i & 3) == 3)
 | |
|             cpu_fprintf(f, "\n");
 | |
|     }
 | |
| #ifdef TARGET_SPARC64
 | |
|     cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
 | |
|                 env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs);
 | |
|     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, NWINDOWS - 1 - env->cwp);
 | |
| #else
 | |
|     cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n", GET_PSR(env),
 | |
|             GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'),
 | |
|             GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'),
 | |
|             env->psrs?'S':'-', env->psrps?'P':'-',
 | |
|             env->psret?'E':'-', env->wim);
 | |
| #endif
 | |
|     cpu_fprintf(f, "fsr: 0x%08x\n", GET_FSR32(env));
 | |
| }
 | |
| 
 | |
| #ifdef TARGET_SPARC64
 | |
| #if !defined(CONFIG_USER_ONLY)
 | |
| #include "qemu-common.h"
 | |
| #include "hw/irq.h"
 | |
| #include "qemu-timer.h"
 | |
| #endif
 | |
| 
 | |
| void helper_tick_set_count(void *opaque, uint64_t count)
 | |
| {
 | |
| #if !defined(CONFIG_USER_ONLY)
 | |
|     ptimer_set_count(opaque, -count);
 | |
| #endif
 | |
| }
 | |
| 
 | |
| uint64_t helper_tick_get_count(void *opaque)
 | |
| {
 | |
| #if !defined(CONFIG_USER_ONLY)
 | |
|     return -ptimer_get_count(opaque);
 | |
| #else
 | |
|     return 0;
 | |
| #endif
 | |
| }
 | |
| 
 | |
| void helper_tick_set_limit(void *opaque, uint64_t limit)
 | |
| {
 | |
| #if !defined(CONFIG_USER_ONLY)
 | |
|     ptimer_set_limit(opaque, -limit, 0);
 | |
| #endif
 | |
| }
 | |
| #endif
 |