aboutsummaryrefslogtreecommitdiff
path: root/target-sparc
diff options
context:
space:
mode:
authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-10-30 21:23:39 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-10-30 21:23:39 +0000
commit24741ef3de1de0e5dca6ebf621d405f2ac0919af (patch)
tree5a3223441fd4f8fa55e19fdbed8ccd8ef5148041 /target-sparc
parent74c33bed31839bbff861877194a5a39f8000c284 (diff)
avoid using physical accesses in user emulation
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1592 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-sparc')
-rw-r--r--target-sparc/helper.c235
-rw-r--r--target-sparc/op_helper.c11
2 files changed, 127 insertions, 119 deletions
diff --git a/target-sparc/helper.c b/target-sparc/helper.c
index 78a033bc53..ad1ae5bbb9 100644
--- a/target-sparc/helper.c
+++ b/target-sparc/helper.c
@@ -230,7 +230,107 @@ int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
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 = (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 /* DEBUG_MMU */
+
+#else /* !TARGET_SPARC64 */
/*
* UltraSparc IIi I/DMMUs
*/
@@ -382,121 +482,6 @@ int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
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)
{
@@ -568,5 +553,19 @@ void dump_mmu(CPUState *env)
}
}
}
-#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];
+}
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index e931f9a32e..695bc21e09 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -221,6 +221,15 @@ void do_fcmpd_fcc3 (void)
#undef FS
#endif
+#if defined(CONFIG_USER_ONLY)
+void helper_ld_asi(int asi, int size, int sign)
+{
+}
+
+void helper_st_asi(int asi, int size, int sign)
+{
+}
+#else
#ifndef TARGET_SPARC64
void helper_ld_asi(int asi, int size, int sign)
{
@@ -727,8 +736,8 @@ void helper_st_asi(int asi, int size, int sign)
return;
}
}
-
#endif
+#endif /* !CONFIG_USER_ONLY */
#ifndef TARGET_SPARC64
void helper_rett()