]> git.proxmox.com Git - mirror_qemu.git/blobdiff - target/sparc/mmu_helper.c
Merge tag 'hw-cpus-20240105' of https://github.com/philmd/qemu into staging
[mirror_qemu.git] / target / sparc / mmu_helper.c
index 919448a49401745007eddbbffef93e5b74b5c593..453498c6704fa5aa56e8e0781271b5490b6b0491 100644 (file)
@@ -64,10 +64,9 @@ static const int perm_table[2][8] = {
     }
 };
 
-static int get_physical_address(CPUSPARCState *env, hwaddr *physical,
-                                int *prot, int *access_index, MemTxAttrs *attrs,
-                                target_ulong address, int rw, int mmu_idx,
-                                target_ulong *page_size)
+static int get_physical_address(CPUSPARCState *env, CPUTLBEntryFull *full,
+                                int *access_index, target_ulong address,
+                                int rw, int mmu_idx)
 {
     int access_perms = 0;
     hwaddr pde_ptr;
@@ -80,20 +79,20 @@ static int get_physical_address(CPUSPARCState *env, hwaddr *physical,
     is_user = mmu_idx == MMU_USER_IDX;
 
     if (mmu_idx == MMU_PHYS_IDX) {
-        *page_size = TARGET_PAGE_SIZE;
+        full->lg_page_size = TARGET_PAGE_BITS;
         /* 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;
+            full->phys_addr = env->prom_addr | (address & 0x7ffffULL);
+            full->prot = PAGE_READ | PAGE_EXEC;
             return 0;
         }
-        *physical = address;
-        *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
+        full->phys_addr = address;
+        full->prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
         return 0;
     }
 
     *access_index = ((rw & 1) << 2) | (rw & 2) | (is_user ? 0 : 1);
-    *physical = 0xffffffffffff0000ULL;
+    full->phys_addr = 0xffffffffffff0000ULL;
 
     /* SPARC reference MMU table walk: Context table->L1->L2->PTE */
     /* Context base + context number */
@@ -157,16 +156,17 @@ static int get_physical_address(CPUSPARCState *env, hwaddr *physical,
                 case 2: /* L3 PTE */
                     page_offset = 0;
                 }
-                *page_size = TARGET_PAGE_SIZE;
+                full->lg_page_size = TARGET_PAGE_BITS;
                 break;
             case 2: /* L2 PTE */
                 page_offset = address & 0x3f000;
-                *page_size = 0x40000;
+                full->lg_page_size = 18;
             }
             break;
         case 2: /* L1 PTE */
             page_offset = address & 0xfff000;
-            *page_size = 0x1000000;
+            full->lg_page_size = 24;
+            break;
         }
     }
 
@@ -188,16 +188,16 @@ static int get_physical_address(CPUSPARCState *env, hwaddr *physical,
     }
 
     /* the page can be put in the TLB */
-    *prot = perm_table[is_user][access_perms];
+    full->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;
+        full->prot &= ~PAGE_WRITE;
     }
 
     /* Even if large ptes, we map only one 4KB page in the cache to
        avoid filling it too fast */
-    *physical = ((hwaddr)(pde & PTE_ADDR_MASK) << 4) + page_offset;
+    full->phys_addr = ((hwaddr)(pde & PTE_ADDR_MASK) << 4) + page_offset;
     return error_code;
 }
 
@@ -208,11 +208,9 @@ bool sparc_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
 {
     SPARCCPU *cpu = SPARC_CPU(cs);
     CPUSPARCState *env = &cpu->env;
-    hwaddr paddr;
+    CPUTLBEntryFull full = {};
     target_ulong vaddr;
-    target_ulong page_size;
-    int error_code = 0, prot, access_index;
-    MemTxAttrs attrs = {};
+    int error_code = 0, access_index;
 
     /*
      * TODO: If we ever need tlb_vaddr_to_host for this target,
@@ -223,16 +221,15 @@ bool sparc_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
     assert(!probe);
 
     address &= TARGET_PAGE_MASK;
-    error_code = get_physical_address(env, &paddr, &prot, &access_index, &attrs,
-                                      address, access_type,
-                                      mmu_idx, &page_size);
+    error_code = get_physical_address(env, &full, &access_index,
+                                      address, access_type, mmu_idx);
     vaddr = address;
     if (likely(error_code == 0)) {
         qemu_log_mask(CPU_LOG_MMU,
                       "Translate at %" VADDR_PRIx " -> "
-                      TARGET_FMT_plx ", vaddr " TARGET_FMT_lx "\n",
-                      address, paddr, vaddr);
-        tlb_set_page(cs, vaddr, paddr, prot, mmu_idx, page_size);
+                      HWADDR_FMT_plx ", vaddr " TARGET_FMT_lx "\n",
+                      address, full.phys_addr, vaddr);
+        tlb_set_page_full(cs, mmu_idx, vaddr, &full);
         return true;
     }
 
@@ -247,8 +244,8 @@ bool sparc_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
            permissions. If no mapping is available, redirect accesses to
            neverland. Fake/overridden mappings will be flushed when
            switching to normal mode. */
-        prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
-        tlb_set_page(cs, vaddr, paddr, prot, mmu_idx, TARGET_PAGE_SIZE);
+        full.prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
+        tlb_set_page_full(cs, mmu_idx, vaddr, &full);
         return true;
     } else {
         if (access_type == MMU_INST_FETCH) {
@@ -356,27 +353,27 @@ void dump_mmu(CPUSPARCState *env)
     hwaddr pa;
     uint32_t pde;
 
-    qemu_printf("Root ptr: " TARGET_FMT_plx ", ctx: %d\n",
+    qemu_printf("Root ptr: " HWADDR_FMT_plx ", ctx: %d\n",
                 (hwaddr)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(cs, va);
-            qemu_printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
+            qemu_printf("VA: " TARGET_FMT_lx ", PA: " HWADDR_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(cs, va1);
                     qemu_printf(" VA: " TARGET_FMT_lx ", PA: "
-                                TARGET_FMT_plx " PDE: " TARGET_FMT_lx "\n",
+                                HWADDR_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(cs, va2);
                             qemu_printf("  VA: " TARGET_FMT_lx ", PA: "
-                                        TARGET_FMT_plx " PTE: "
+                                        HWADDR_FMT_plx " PTE: "
                                         TARGET_FMT_lx "\n",
                                         va2, pa, pde);
                         }
@@ -545,8 +542,7 @@ static uint64_t build_sfsr(CPUSPARCState *env, int mmu_idx, int rw)
     return sfsr;
 }
 
-static int get_physical_address_data(CPUSPARCState *env, hwaddr *physical,
-                                     int *prot, MemTxAttrs *attrs,
+static int get_physical_address_data(CPUSPARCState *env, CPUTLBEntryFull *full,
                                      target_ulong address, int rw, int mmu_idx)
 {
     CPUState *cs = env_cpu(env);
@@ -579,11 +575,12 @@ static int get_physical_address_data(CPUSPARCState *env, hwaddr *physical,
 
     for (i = 0; i < 64; i++) {
         /* ctx match, vaddr match, valid? */
-        if (ultrasparc_tag_match(&env->dtlb[i], address, context, physical)) {
+        if (ultrasparc_tag_match(&env->dtlb[i], address, context,
+                                 &full->phys_addr)) {
             int do_fault = 0;
 
             if (TTE_IS_IE(env->dtlb[i].tte)) {
-                attrs->byte_swap = true;
+                full->attrs.byte_swap = true;
             }
 
             /* access ok? */
@@ -616,9 +613,9 @@ static int get_physical_address_data(CPUSPARCState *env, hwaddr *physical,
             }
 
             if (!do_fault) {
-                *prot = PAGE_READ;
+                full->prot = PAGE_READ;
                 if (TTE_IS_W_OK(env->dtlb[i].tte)) {
-                    *prot |= PAGE_WRITE;
+                    full->prot |= PAGE_WRITE;
                 }
 
                 TTE_SET_USED(env->dtlb[i].tte);
@@ -645,8 +642,7 @@ static int get_physical_address_data(CPUSPARCState *env, hwaddr *physical,
     return 1;
 }
 
-static int get_physical_address_code(CPUSPARCState *env, hwaddr *physical,
-                                     int *prot, MemTxAttrs *attrs,
+static int get_physical_address_code(CPUSPARCState *env, CPUTLBEntryFull *full,
                                      target_ulong address, int mmu_idx)
 {
     CPUState *cs = env_cpu(env);
@@ -681,7 +677,7 @@ static int get_physical_address_code(CPUSPARCState *env, hwaddr *physical,
     for (i = 0; i < 64; i++) {
         /* ctx match, vaddr match, valid? */
         if (ultrasparc_tag_match(&env->itlb[i],
-                                 address, context, physical)) {
+                                 address, context, &full->phys_addr)) {
             /* access ok? */
             if (TTE_IS_PRIV(env->itlb[i].tte) && is_user) {
                 /* Fault status register */
@@ -708,7 +704,7 @@ static int get_physical_address_code(CPUSPARCState *env, hwaddr *physical,
 
                 return 1;
             }
-            *prot = PAGE_EXEC;
+            full->prot = PAGE_EXEC;
             TTE_SET_USED(env->itlb[i].tte);
             return 0;
         }
@@ -722,14 +718,13 @@ static int get_physical_address_code(CPUSPARCState *env, hwaddr *physical,
     return 1;
 }
 
-static int get_physical_address(CPUSPARCState *env, hwaddr *physical,
-                                int *prot, int *access_index, MemTxAttrs *attrs,
-                                target_ulong address, int rw, int mmu_idx,
-                                target_ulong *page_size)
+static int get_physical_address(CPUSPARCState *env, CPUTLBEntryFull *full,
+                                int *access_index, target_ulong address,
+                                int rw, int mmu_idx)
 {
     /* ??? We treat everything as a small page, then explicitly flush
        everything when an entry is evicted.  */
-    *page_size = TARGET_PAGE_SIZE;
+    full->lg_page_size = TARGET_PAGE_BITS;
 
     /* safety net to catch wrong softmmu index use from dynamic code */
     if (env->tl > 0 && mmu_idx != MMU_NUCLEUS_IDX) {
@@ -747,17 +742,15 @@ static int get_physical_address(CPUSPARCState *env, hwaddr *physical,
     }
 
     if (mmu_idx == MMU_PHYS_IDX) {
-        *physical = ultrasparc_truncate_physical(address);
-        *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
+        full->phys_addr = ultrasparc_truncate_physical(address);
+        full->prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
         return 0;
     }
 
     if (rw == 2) {
-        return get_physical_address_code(env, physical, prot, attrs, address,
-                                         mmu_idx);
+        return get_physical_address_code(env, full, address, mmu_idx);
     } else {
-        return get_physical_address_data(env, physical, prot, attrs, address,
-                                         rw, mmu_idx);
+        return get_physical_address_data(env, full, address, rw, mmu_idx);
     }
 }
 
@@ -768,25 +761,17 @@ bool sparc_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
 {
     SPARCCPU *cpu = SPARC_CPU(cs);
     CPUSPARCState *env = &cpu->env;
-    target_ulong vaddr;
-    hwaddr paddr;
-    target_ulong page_size;
-    MemTxAttrs attrs = {};
-    int error_code = 0, prot, access_index;
+    CPUTLBEntryFull full = {};
+    int error_code = 0, access_index;
 
     address &= TARGET_PAGE_MASK;
-    error_code = get_physical_address(env, &paddr, &prot, &access_index, &attrs,
-                                      address, access_type,
-                                      mmu_idx, &page_size);
+    error_code = get_physical_address(env, &full, &access_index,
+                                      address, access_type, mmu_idx);
     if (likely(error_code == 0)) {
-        vaddr = address;
-
-        trace_mmu_helper_mmu_fault(address, paddr, mmu_idx, env->tl,
+        trace_mmu_helper_mmu_fault(address, full.phys_addr, mmu_idx, env->tl,
                                    env->dmmu.mmu_primary_context,
                                    env->dmmu.mmu_secondary_context);
-
-        tlb_set_page_with_attrs(cs, vaddr, paddr, attrs, prot, mmu_idx,
-                                page_size);
+        tlb_set_page_full(cs, mmu_idx, address, &full);
         return true;
     }
     if (probe) {
@@ -888,12 +873,14 @@ void dump_mmu(CPUSPARCState *env)
 static int cpu_sparc_get_phys_page(CPUSPARCState *env, hwaddr *phys,
                                    target_ulong addr, int rw, int mmu_idx)
 {
-    target_ulong page_size;
-    int prot, access_index;
-    MemTxAttrs attrs = {};
+    CPUTLBEntryFull full = {};
+    int access_index, ret;
 
-    return get_physical_address(env, phys, &prot, &access_index, &attrs, addr,
-                                rw, mmu_idx, &page_size);
+    ret = get_physical_address(env, &full, &access_index, addr, rw, mmu_idx);
+    if (ret == 0) {
+        *phys = full.phys_addr;
+    }
+    return ret;
 }
 
 #if defined(TARGET_SPARC64)
@@ -924,7 +911,6 @@ hwaddr sparc_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
     return phys_addr;
 }
 
-#ifndef CONFIG_USER_ONLY
 G_NORETURN void sparc_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
                                               MMUAccessType access_type,
                                               int mmu_idx,
@@ -942,4 +928,3 @@ G_NORETURN void sparc_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
 
     cpu_raise_exception_ra(env, TT_UNALIGNED, retaddr);
 }
-#endif /* !CONFIG_USER_ONLY */