/*
* sparc helpers
- *
+ *
* Copyright (c) 2003-2005 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
spin_unlock(&global_cpu_lock);
}
-#if defined(CONFIG_USER_ONLY)
+#if defined(CONFIG_USER_ONLY)
int cpu_sparc_handle_mmu_fault(CPUState *env, target_ulong address, int rw,
int is_user, int is_softmmu)
{ 2, 2, 2, 0, 2, 2, 2, 0 }
};
-/* 1 = write OK */
-static const int rw_table[2][8] = {
- { 0, 1, 0, 1, 0, 1, 0, 1 },
- { 0, 1, 0, 1, 0, 0, 0, 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,
+ }
};
int get_physical_address (CPUState *env, target_phys_addr_t *physical, int *prot,
- int *access_index, target_ulong address, int rw,
- int is_user)
+ int *access_index, target_ulong address, int rw,
+ int is_user)
{
int access_perms = 0;
target_phys_addr_t pde_ptr;
unsigned long page_offset;
virt_addr = address & TARGET_PAGE_MASK;
+
if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
- *physical = address;
- *prot = PAGE_READ | PAGE_WRITE;
+ // Boot mode: instruction fetches are taken from PROM
+ if (rw == 2 && (env->mmuregs[0] & MMU_BM)) {
+ *physical = 0xff0000000ULL | (address & 0x3ffffULL);
+ *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 = 0xfffff000;
+ *physical = 0xffffffffffff0000ULL;
/* SPARC reference MMU table walk: Context table->L1->L2->PTE */
/* Context base + context number */
switch (pde & PTE_ENTRYTYPE_MASK) {
default:
case 0: /* Invalid */
- return 1 << 2;
+ 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_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);
+ 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);
+ 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;
- }
+ 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;
+ 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))
- return error_code;
+ if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user))
+ return error_code;
/* the page can be put in the TLB */
- *prot = PAGE_READ;
- if (pde & PG_MODIFIED_MASK) {
+ *prot = perm_table[is_user][access_perms];
+ if (!(pde & PG_MODIFIED_MASK)) {
/* only set write access if already dirty... otherwise wait
for dirty access */
- if (rw_table[is_user][access_perms])
- *prot |= PAGE_WRITE;
+ *prot &= ~PAGE_WRITE;
}
/* Even if large ptes, we map only one 4KB page in the cache to
avoid filling it too fast */
- *physical = ((pde & PTE_ADDR_MASK) << 4) + page_offset;
+ *physical = ((target_phys_addr_t)(pde & PTE_ADDR_MASK) << 4) + page_offset;
return error_code;
}
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
int is_user, int is_softmmu)
{
- target_ulong virt_addr;
target_phys_addr_t paddr;
- unsigned long vaddr;
+ target_ulong vaddr;
int error_code = 0, prot, ret = 0, access_index;
error_code = get_physical_address(env, &paddr, &prot, &access_index, address, rw, is_user);
if (error_code == 0) {
- virt_addr = address & TARGET_PAGE_MASK;
- vaddr = virt_addr + ((address & TARGET_PAGE_MASK) & (TARGET_PAGE_SIZE - 1));
- ret = tlb_set_page(env, vaddr, paddr, prot, is_user, is_softmmu);
- return ret;
+ 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, is_user, is_softmmu);
+ return ret;
}
if (env->mmuregs[3]) /* Fault status register */
- env->mmuregs[3] = 1; /* overflow (not read before another fault) */
+ 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 */
// 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;
- ret = tlb_set_page(env, vaddr, paddr, prot, is_user, is_softmmu);
- return ret;
+ vaddr = address & TARGET_PAGE_MASK;
+ prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
+ ret = tlb_set_page_exec(env, vaddr, paddr, prot, is_user, is_softmmu);
+ return ret;
} else {
if (rw & 2)
env->exception_index = TT_TFAULT;
return 1;
}
}
-#else
+
+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)
+ 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;
+ *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;
+ 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%llx\n", address);
+ 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;
- }
+ 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%llx\n", address);
+ 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)
+ 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_READ;
+ *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;
+ 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%llx\n", address);
+ printf("TFAULT at 0x%" PRIx64 "\n", address);
#endif
- return 1;
- }
- *physical = (env->itlb_tte[i] & mask & 0x1fffffff000ULL) + (address & ~mask & 0x1fffffff000ULL);
- *prot = PAGE_READ;
- return 0;
- }
+ return 1;
+ }
+ *physical = (env->itlb_tte[i] & mask & 0x1fffffff000ULL) + (address & ~mask & 0x1fffffff000ULL);
+ *prot = PAGE_EXEC;
+ return 0;
+ }
}
#ifdef DEBUG_MMU
- printf("TMISS at 0x%llx\n", address);
+ printf("TMISS at 0x%" PRIx64 "\n", address);
#endif
env->exception_index = TT_TMISS;
return 1;
}
int get_physical_address(CPUState *env, target_phys_addr_t *physical, int *prot,
- int *access_index, target_ulong address, int rw,
- int is_user)
+ int *access_index, target_ulong address, int rw,
+ int is_user)
{
if (rw == 2)
- return get_physical_address_code(env, physical, prot, access_index, address, rw, is_user);
+ 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);
+ return get_physical_address_data(env, physical, prot, access_index, address, rw, is_user);
}
/* Perform address translation */
error_code = get_physical_address(env, &paddr, &prot, &access_index, address, rw, is_user);
if (error_code == 0) {
- virt_addr = address & TARGET_PAGE_MASK;
- vaddr = virt_addr + ((address & TARGET_PAGE_MASK) & (TARGET_PAGE_SIZE - 1));
+ virt_addr = address & TARGET_PAGE_MASK;
+ vaddr = virt_addr + ((address & TARGET_PAGE_MASK) & (TARGET_PAGE_SIZE - 1));
#ifdef DEBUG_MMU
- printf("Translate at 0x%llx -> 0x%llx, vaddr 0x%llx\n", address, paddr, vaddr);
+ printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64 "\n", address, paddr, vaddr);
#endif
- ret = tlb_set_page(env, vaddr, paddr, prot, is_user, is_softmmu);
- return ret;
+ ret = tlb_set_page_exec(env, vaddr, paddr, prot, is_user, is_softmmu);
+ return ret;
}
// XXX
return 1;
}
-#endif
-#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];
-}
-
-#if !defined(TARGET_SPARC64)
-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 = (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_lx ", ctx: %d\n", env->mmuregs[1] << 4, env->mmuregs[2]);
- for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) {
- pde_ptr = mmu_probe(env, va, 2);
- if (pde_ptr) {
- pa = cpu_get_phys_page_debug(env, va);
- printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx " PDE: " TARGET_FMT_lx "\n", va, pa, pde_ptr);
- for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) {
- pde_ptr = mmu_probe(env, va1, 1);
- if (pde_ptr) {
- pa = cpu_get_phys_page_debug(env, va1);
- printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx " PDE: " TARGET_FMT_lx "\n", va1, pa, pde_ptr);
- for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) {
- pde_ptr = mmu_probe(env, va2, 0);
- if (pde_ptr) {
- pa = cpu_get_phys_page_debug(env, va2);
- printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx " PTE: " TARGET_FMT_lx "\n", va2, pa, pde_ptr);
- }
- }
- }
- }
- }
- }
- printf("MMU dump ends\n");
-}
-#endif
-#else
#ifdef DEBUG_MMU
void dump_mmu(CPUState *env)
{
unsigned int i;
const char *mask;
- printf("MMU contexts: Primary: %lld, Secondary: %lld\n", env->dmmuregs[1], env->dmmuregs[2]);
+ printf("MMU contexts: Primary: %" PRId64 ", Secondary: %" PRId64 "\n", env->dmmuregs[1], env->dmmuregs[2]);
if ((env->lsu & DMMU_E) == 0) {
- printf("DMMU disabled\n");
+ 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 %lld\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);
- }
- }
+ 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");
+ 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 %lld\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);
- }
- }
+ 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
-#endif
+#endif /* DEBUG_MMU */
+
+#endif /* TARGET_SPARC64 */
+#endif /* !CONFIG_USER_ONLY */
+
+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];
+}
projects / qemu / blobdiff