Merge remote-tracking branch 'origin/master' into staging

* origin/master:
  sun4u: implement interrupt clearing registers
  sun4u: initialize OBIO interrupt mappings
  fix block loads broken in commit 30038fd818
  Implement address masking for SPARC v9 CPUs
  vga: disable default VGA if appropriate -device is used
  cputlb: fix watchpoints handling

cputlb.c

@@ -272,10 +272,10 @@ void tlb_set_page(CPUArchState *env, target_ulong vaddr,
     } else {
         addend = 0;
     }
-    iotlb = memory_region_section_get_iotlb(env, section, vaddr, paddr, prot,
-                                            &address);
 
     code_address = address;
+    iotlb = memory_region_section_get_iotlb(env, section, vaddr, paddr, prot,
+                                            &address);
 
     index = (vaddr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
     env->iotlb[mmu_idx][index] = iotlb - vaddr;

hw/apb_pci.c

@@ -85,6 +85,8 @@ typedef struct APBState {
     unsigned int nr_resets;
 } APBState;
 
+static void pci_apb_set_irq(void *opaque, int irq_num, int level);
+
 static void apb_config_writel (void *opaque, target_phys_addr_t addr,
                                uint64_t val, unsigned size)
 {
@@ -113,6 +115,16 @@ static void apb_config_writel (void *opaque, target_phys_addr_t addr,
             s->obio_irq_map[(addr & 0xff) >> 3] |= val & ~PBM_PCI_IMR_MASK;
         }
         break;
+    case 0x1400 ... 0x143f: /* PCI interrupt clear */
+        if (addr & 4) {
+            pci_apb_set_irq(s, (addr & 0x3f) >> 3, 0);
+        }
+        break;
+    case 0x1800 ... 0x1860: /* OBIO interrupt clear */
+        if (addr & 4) {
+            pci_apb_set_irq(s, 0x20 | ((addr & 0xff) >> 3), 0);
+        }
+        break;
     case 0x2000 ... 0x202f: /* PCI control */
         s->pci_control[(addr & 0x3f) >> 2] = val;
         break;
@@ -404,6 +416,9 @@ static void pci_pbm_reset(DeviceState *d)
     for (i = 0; i < 8; i++) {
         s->pci_irq_map[i] &= PBM_PCI_IMR_MASK;
     }
+    for (i = 0; i < 32; i++) {
+        s->obio_irq_map[i] &= PBM_PCI_IMR_MASK;
+    }
 
     if (s->nr_resets++ == 0) {
         /* Power on reset */
@@ -426,6 +441,9 @@ static int pci_pbm_init_device(SysBusDevice *dev)
     for (i = 0; i < 8; i++) {
         s->pci_irq_map[i] = (0x1f << 6) | (i << 2);
     }
+    for (i = 0; i < 32; i++) {
+        s->obio_irq_map[i] = ((0x1f << 6) | 0x20) + i;
+    }
     s->pbm_irqs = qemu_allocate_irqs(pci_apb_set_irq, s, MAX_IVEC);
 
     /* apb_config */

target-sparc/ldst_helper.c

@@ -2098,7 +2098,7 @@ void helper_ldf_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
             return;
         }
         helper_check_align(env, addr, 0x3f);
-        for (i = 0; i < 8; i++, rd += 2, addr += 4) {
+        for (i = 0; i < 8; i++, rd += 2, addr += 8) {
             env->fpr[rd / 2].ll = helper_ld_asi(env, addr, asi & 0x19, 8, 0);
         }
         return;

target-sparc/translate.c

@@ -1343,6 +1343,11 @@ static void do_branch(DisasContext *dc, int32_t offset, uint32_t insn, int cc,
     unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
     target_ulong target = dc->pc + offset;
 
+#ifdef TARGET_SPARC64
+    if (unlikely(AM_CHECK(dc))) {
+        target &= 0xffffffffULL;
+    }
+#endif
     if (cond == 0x0) {
         /* unconditional not taken */
         if (a) {
@@ -1388,6 +1393,11 @@ static void do_fbranch(DisasContext *dc, int32_t offset, uint32_t insn, int cc,
     unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
     target_ulong target = dc->pc + offset;
 
+#ifdef TARGET_SPARC64
+    if (unlikely(AM_CHECK(dc))) {
+        target &= 0xffffffffULL;
+    }
+#endif
     if (cond == 0x0) {
         /* unconditional not taken */
         if (a) {
@@ -1434,6 +1444,9 @@ static void do_branch_reg(DisasContext *dc, int32_t offset, uint32_t insn,
     unsigned int cond = GET_FIELD_SP(insn, 25, 27), a = (insn & (1 << 29));
     target_ulong target = dc->pc + offset;
 
+    if (unlikely(AM_CHECK(dc))) {
+        target &= 0xffffffffULL;
+    }
     flush_cond(dc, r_cond);
     gen_cond_reg(r_cond, cond, r_reg);
     if (a) {
@@ -2486,6 +2499,11 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
             tcg_temp_free(r_const);
             target += dc->pc;
             gen_mov_pc_npc(dc, cpu_cond);
+#ifdef TARGET_SPARC64
+            if (unlikely(AM_CHECK(dc))) {
+                target &= 0xffffffffULL;
+            }
+#endif
             dc->npc = target;
         }
         goto jmp_insn;
@@ -2610,7 +2628,11 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
                     {
                         TCGv r_const;
 
-                        r_const = tcg_const_tl(dc->pc);
+                        if (unlikely(AM_CHECK(dc))) {
+                            r_const = tcg_const_tl(dc->pc & 0xffffffffULL);
+                        } else {
+                           r_const = tcg_const_tl(dc->pc);
+                        }
                         gen_movl_TN_reg(rd, r_const);
                         tcg_temp_free(r_const);
                     }
@@ -4579,6 +4601,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
                         r_const = tcg_const_i32(3);
                         gen_helper_check_align(cpu_env, cpu_dst, r_const);
                         tcg_temp_free_i32(r_const);
+                        gen_address_mask(dc, cpu_dst);
                         tcg_gen_mov_tl(cpu_npc, cpu_dst);
                         dc->npc = DYNAMIC_PC;
                     }

vl.c

@@ -273,6 +273,7 @@ static int default_monitor = 1;
 static int default_floppy = 1;
 static int default_cdrom = 1;
 static int default_sdcard = 1;
+static int default_vga = 1;
 
 static struct {
     const char *driver;
@@ -288,6 +289,12 @@ static struct {
     { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
     { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
     { .driver = "virtio-serial",        .flag = &default_virtcon   },
+    { .driver = "VGA",                  .flag = &default_vga       },
+    { .driver = "isa-vga",              .flag = &default_vga       },
+    { .driver = "cirrus-vga",           .flag = &default_vga       },
+    { .driver = "isa-cirrus-vga",       .flag = &default_vga       },
+    { .driver = "vmware-svga",          .flag = &default_vga       },
+    { .driver = "qxl-vga",              .flag = &default_vga       },
 };
 
 static void res_free(void)
@@ -2277,7 +2284,7 @@ int main(int argc, char **argv, char **envp)
     const char *loadvm = NULL;
     QEMUMachine *machine;
     const char *cpu_model;
-    const char *vga_model = NULL;
+    const char *vga_model = "none";
     const char *pid_file = NULL;
     const char *incoming = NULL;
 #ifdef CONFIG_VNC
@@ -2707,6 +2714,7 @@ int main(int argc, char **argv, char **envp)
                 break;
             case QEMU_OPTION_vga:
                 vga_model = optarg;
+                default_vga = 0;
                 break;
             case QEMU_OPTION_g:
                 {
@@ -3116,7 +3124,7 @@ int main(int argc, char **argv, char **envp)
                 default_floppy = 0;
                 default_cdrom = 0;
                 default_sdcard = 0;
-                vga_model = "none";
+                default_vga = 0;
                 break;
             case QEMU_OPTION_xen_domid:
                 if (!(xen_available())) {
@@ -3486,14 +3494,11 @@ int main(int argc, char **argv, char **envp)
     if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
         exit(1);
 
-    /* must be after qdev registration but before machine init */
-    if (vga_model) {
-        select_vgahw(vga_model);
-    } else if (cirrus_vga_available()) {
-        select_vgahw("cirrus");
-    } else {
-        select_vgahw("none");
+    /* If no default VGA is requested, the default is "none".  */
+    if (default_vga && cirrus_vga_available()) {
+        vga_model = "cirrus";
     }
+    select_vgahw(vga_model);
 
     if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
         exit(0);