Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-5.1-pull-request' into staging

Trivial branch pull request 20200610

Convert DPRINTF() to traces or qemu_logs
Use IEC binary prefix definitions
Use qemu_semihosting_log_out() in target/unicore32
Some code and doc cleanup

# gpg: Signature made Wed 10 Jun 2020 14:08:36 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-for-5.1-pull-request:
  semihosting: remove the pthread include which seems unused
  hw/openrisc/openrisc_sim: Add assertion to silence GCC warning
  target/unicore32: Prefer qemu_semihosting_log_out() over curses
  target/unicore32: Replace DPRINTF() by qemu_log_mask(GUEST_ERROR)
  target/unicore32: Remove unused headers
  target/i386/cpu: Use the IEC binary prefix definitions
  hw/i386/xen/xen-hvm: Use the IEC binary prefix definitions
  hw/hppa/dino: Use the IEC binary prefix definitions
  hw/arm/aspeed: Correct DRAM container region size
  qemu-img: Fix doc typo for 'bitmap' subcommand
  hw/misc/auxbus: Use qemu_log_mask(UNIMP) instead of debug printf
  hw/isa/apm: Convert debug printf()s to trace events
  hw/unicore32/puv3: Use qemu_log_mask(ERROR) instead of debug printf()
  .mailmap: Update Fred Konrad email address
  net: Do not include a newline in the id of -nic devices
  Fix parameter type in vhost migration log path

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	.mailmap

20 files changed, 73 insertions, 92 deletions

diff --git a/.mailmap b/.mailmap
index 84f36592ba..926cac6bb8 100644
--- a/.mailmap
+++ b/.mailmap
@@ -46,6 +46,7 @@ Aleksandar Rikalo <aleksandar.rikalo@syrmia.com> <arikalo@wavecomp.com>
 Aleksandar Rikalo <aleksandar.rikalo@syrmia.com> <aleksandar.rikalo@rt-rk.com>
 Anthony Liguori <anthony@codemonkey.ws> Anthony Liguori <aliguori@us.ibm.com>
 Filip Bozuta <filip.bozuta@syrmia.com> <filip.bozuta@rt-rk.com.com>
+Frederic Konrad <konrad@adacore.com> <fred.konrad@greensocs.com>
 James Hogan <jhogan@kernel.org> <james.hogan@imgtec.com>
 Leif Lindholm <leif@nuviainc.com> <leif.lindholm@linaro.org>
 Paul Burton <pburton@wavecomp.com> <paul.burton@mips.com>
diff --git a/default-configs/unicore32-softmmu.mak b/default-configs/unicore32-softmmu.mak
index 0bfce48c6d..899288e3d7 100644
--- a/default-configs/unicore32-softmmu.mak
+++ b/default-configs/unicore32-softmmu.mak
@@ -3,3 +3,4 @@
 # Boards:
 #
 CONFIG_PUV3=y
+CONFIG_SEMIHOSTING=y
diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index 2c23297edf..62344ac6a3 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -262,7 +262,7 @@ static void aspeed_machine_init(MachineState *machine)
     bmc = g_new0(AspeedBoardState, 1);
 
     memory_region_init(&bmc->ram_container, NULL, "aspeed-ram-container",
-                       UINT32_MAX);
+                       4 * GiB);
     memory_region_add_subregion(&bmc->ram_container, 0, machine->ram);
 
     object_initialize_child(OBJECT(machine), "soc", &bmc->soc,
diff --git a/hw/dma/puv3_dma.c b/hw/dma/puv3_dma.c
index 5488d388a9..7fa979180f 100644
--- a/hw/dma/puv3_dma.c
+++ b/hw/dma/puv3_dma.c
@@ -15,6 +15,7 @@
 #undef DEBUG_PUV3
 #include "hw/unicore32/puv3.h"
 #include "qemu/module.h"
+#include "qemu/log.h"
 
 #define PUV3_DMA_CH_NR          (6)
 #define PUV3_DMA_CH_MASK        (0xff)
@@ -43,7 +44,9 @@ static uint64_t puv3_dma_read(void *opaque, hwaddr offset,
         ret = s->reg_CFG[PUV3_DMA_CH(offset)];
         break;
     default:
-        DPRINTF("Bad offset 0x%x\n", offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
+                      __func__, offset);
     }
     DPRINTF("offset 0x%x, value 0x%x\n", offset, ret);
 
@@ -62,7 +65,9 @@ static void puv3_dma_write(void *opaque, hwaddr offset,
         s->reg_CFG[PUV3_DMA_CH(offset)] = value;
         break;
     default:
-        DPRINTF("Bad offset 0x%x\n", offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
+                      __func__, offset);
     }
     DPRINTF("offset 0x%x, value 0x%x\n", offset, value);
 }
diff --git a/hw/gpio/puv3_gpio.c b/hw/gpio/puv3_gpio.c
index d19e342514..7362b6715f 100644
--- a/hw/gpio/puv3_gpio.c
+++ b/hw/gpio/puv3_gpio.c
@@ -15,6 +15,7 @@
 #undef DEBUG_PUV3
 #include "hw/unicore32/puv3.h"
 #include "qemu/module.h"
+#include "qemu/log.h"
 
 #define TYPE_PUV3_GPIO "puv3_gpio"
 #define PUV3_GPIO(obj) OBJECT_CHECK(PUV3GPIOState, (obj), TYPE_PUV3_GPIO)
@@ -47,7 +48,9 @@ static uint64_t puv3_gpio_read(void *opaque, hwaddr offset,
         ret = s->reg_GPIR;
         break;
     default:
-        DPRINTF("Bad offset 0x%x\n", offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
+                      __func__, offset);
     }
     DPRINTF("offset 0x%x, value 0x%x\n", offset, ret);
 
@@ -68,14 +71,16 @@ static void puv3_gpio_write(void *opaque, hwaddr offset,
         if (s->reg_GPDR & value) {
             s->reg_GPLR |= value;
         } else {
-            DPRINTF("Write gpio input port error!");
+            qemu_log_mask(LOG_GUEST_ERROR, "%s: Write gpio input port\n",
+                          __func__);
         }
         break;
     case 0x0c:
         if (s->reg_GPDR & value) {
             s->reg_GPLR &= ~value;
         } else {
-            DPRINTF("Write gpio input port error!");
+            qemu_log_mask(LOG_GUEST_ERROR, "%s: Write gpio input port\n",
+                          __func__);
         }
         break;
     case 0x10: /* GRER */
@@ -86,7 +91,9 @@ static void puv3_gpio_write(void *opaque, hwaddr offset,
         s->reg_GPIR = value;
         break;
     default:
-        DPRINTF("Bad offset 0x%x\n", offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
+                      __func__, offset);
     }
 }
 
diff --git a/hw/hppa/dino.c b/hw/hppa/dino.c
index 2b1b38c58a..7290f23962 100644
--- a/hw/hppa/dino.c
+++ b/hw/hppa/dino.c
@@ -542,7 +542,7 @@ PCIBus *dino_init(MemoryRegion *addr_space,
                                 &s->parent_obj.data_mem);
 
     /* Dino PCI bus memory.  */
-    memory_region_init(&s->pci_mem, OBJECT(s), "pci-memory", 1ull << 32);
+    memory_region_init(&s->pci_mem, OBJECT(s), "pci-memory", 4 * GiB);
 
     b = pci_register_root_bus(dev, "pci", dino_set_irq, dino_pci_map_irq, s,
                               &s->pci_mem, get_system_io(),
@@ -561,7 +561,7 @@ PCIBus *dino_init(MemoryRegion *addr_space,
     }
 
     /* Set up PCI view of memory: Bus master address space.  */
-    memory_region_init(&s->bm, OBJECT(s), "bm-dino", 1ull << 32);
+    memory_region_init(&s->bm, OBJECT(s), "bm-dino", 4 * GiB);
     memory_region_init_alias(&s->bm_ram_alias, OBJECT(s),
                              "bm-system", addr_space, 0,
                              0xf0000000 + DINO_MEM_CHUNK_SIZE);
diff --git a/hw/i386/xen/xen-hvm.c b/hw/i386/xen/xen-hvm.c
index 82ece6b9e7..94fe5d65e9 100644
--- a/hw/i386/xen/xen-hvm.c
+++ b/hw/i386/xen/xen-hvm.c
@@ -9,6 +9,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/units.h"
 
 #include "cpu.h"
 #include "hw/pci/pci.h"
@@ -230,7 +231,7 @@ static void xen_ram_init(PCMachineState *pcms,
          * Xen does not allocate the memory continuously, it keeps a
          * hole of the size computed above or passed in.
          */
-        block_len = (1ULL << 32) + x86ms->above_4g_mem_size;
+        block_len = (4 * GiB) + x86ms->above_4g_mem_size;
     }
     memory_region_init_ram(&ram_memory, NULL, "xen.ram", block_len,
                            &error_fatal);
diff --git a/hw/intc/puv3_intc.c b/hw/intc/puv3_intc.c
index e018955ce8..090d4839d1 100644
--- a/hw/intc/puv3_intc.c
+++ b/hw/intc/puv3_intc.c
@@ -16,6 +16,7 @@
 #undef DEBUG_PUV3
 #include "hw/unicore32/puv3.h"
 #include "qemu/module.h"
+#include "qemu/log.h"
 
 #define TYPE_PUV3_INTC "puv3_intc"
 #define PUV3_INTC(obj) OBJECT_CHECK(PUV3INTCState, (obj), TYPE_PUV3_INTC)
@@ -68,7 +69,9 @@ static uint64_t puv3_intc_read(void *opaque, hwaddr offset,
         ret = s->reg_ICPR; /* the same value with ICPR */
         break;
     default:
-        DPRINTF("Bad offset %x\n", (int)offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
+                      __func__, offset);
     }
     DPRINTF("offset 0x%x, value 0x%x\n", offset, ret);
     return ret;
@@ -88,7 +91,9 @@ static void puv3_intc_write(void *opaque, hwaddr offset,
         s->reg_ICMR = value;
         break;
     default:
-        DPRINTF("Bad offset 0x%x\n", (int)offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
+                      __func__, offset);
         return;
     }
     puv3_intc_update(s);
diff --git a/hw/isa/apm.c b/hw/isa/apm.c
index 6300b1ba7a..bce266b957 100644
--- a/hw/isa/apm.c
+++ b/hw/isa/apm.c
@@ -24,14 +24,8 @@
 #include "hw/isa/apm.h"
 #include "hw/pci/pci.h"
 #include "migration/vmstate.h"
+#include "trace.h"
 
-//#define DEBUG
-
-#ifdef DEBUG
-# define APM_DPRINTF(format, ...)       printf(format, ## __VA_ARGS__)
-#else
-# define APM_DPRINTF(format, ...)       do { } while (0)
-#endif
 
 /* fixed I/O location */
 #define APM_STS_IOPORT  0xb3
@@ -41,8 +35,8 @@ static void apm_ioport_writeb(void *opaque, hwaddr addr, uint64_t val,
 {
     APMState *apm = opaque;
     addr &= 1;
-    APM_DPRINTF("apm_ioport_writeb addr=0x%" HWADDR_PRIx
-                " val=0x%02" PRIx64 "\n", addr, val);
+
+    trace_apm_io_write(addr, val);
     if (addr == 0) {
         apm->apmc = val;
 
@@ -65,7 +59,8 @@ static uint64_t apm_ioport_readb(void *opaque, hwaddr addr, unsigned size)
     } else {
         val = apm->apms;
     }
-    APM_DPRINTF("apm_ioport_readb addr=0x%" HWADDR_PRIx " val=0x%02x\n", addr, val);
+    trace_apm_io_read(addr, val);
+
     return val;
 }
 
diff --git a/hw/isa/trace-events b/hw/isa/trace-events
index 202f8938e7..3544c6213c 100644
--- a/hw/isa/trace-events
+++ b/hw/isa/trace-events
@@ -9,3 +9,7 @@ superio_create_ide(int id, uint16_t base, unsigned int irq) "id=%d, base 0x%03x,
 # pc87312.c
 pc87312_io_read(uint32_t addr, uint32_t val) "read addr=0x%x val=0x%x"
 pc87312_io_write(uint32_t addr, uint32_t val) "write addr=0x%x val=0x%x"
+
+# apm.c
+apm_io_read(uint8_t addr, uint8_t val) "read addr=0x%x val=0x%02x"
+apm_io_write(uint8_t addr, uint8_t val) "write addr=0x%x val=0x%02x"
diff --git a/hw/misc/auxbus.c b/hw/misc/auxbus.c
index f8e7b97971..06aabf20c5 100644
--- a/hw/misc/auxbus.c
+++ b/hw/misc/auxbus.c
@@ -196,7 +196,7 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
         }
         break;
     default:
-        DPRINTF("Not implemented!\n");
+        qemu_log_mask(LOG_UNIMP, "AUX cmd=%u not implemented\n", cmd);
         return AUX_NACK;
     }
 
diff --git a/hw/misc/puv3_pm.c b/hw/misc/puv3_pm.c
index c213500d9c..8989d363cd 100644
--- a/hw/misc/puv3_pm.c
+++ b/hw/misc/puv3_pm.c
@@ -15,6 +15,7 @@
 #undef DEBUG_PUV3
 #include "hw/unicore32/puv3.h"
 #include "qemu/module.h"
+#include "qemu/log.h"
 
 #define TYPE_PUV3_PM "puv3_pm"
 #define PUV3_PM(obj) OBJECT_CHECK(PUV3PMState, (obj), TYPE_PUV3_PM)
@@ -73,7 +74,9 @@ static uint64_t puv3_pm_read(void *opaque, hwaddr offset,
         ret = 0x7;
         break;
     default:
-        DPRINTF("Bad offset 0x%x\n", offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
+                      __func__, offset);
     }
     DPRINTF("offset 0x%x, value 0x%x\n", offset, ret);
 
@@ -105,7 +108,9 @@ static void puv3_pm_write(void *opaque, hwaddr offset,
     case 0x38:
         break;
     default:
-        DPRINTF("Bad offset 0x%x\n", offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
+                      __func__, offset);
     }
     DPRINTF("offset 0x%x, value 0x%x\n", offset, value);
 }
diff --git a/hw/openrisc/openrisc_sim.c b/hw/openrisc/openrisc_sim.c
index d08ce61811..02f5259e5e 100644
--- a/hw/openrisc/openrisc_sim.c
+++ b/hw/openrisc/openrisc_sim.c
@@ -134,6 +134,7 @@ static void openrisc_sim_init(MachineState *machine)
     int n;
     unsigned int smp_cpus = machine->smp.cpus;
 
+    assert(smp_cpus >= 1 && smp_cpus <= 2);
     for (n = 0; n < smp_cpus; n++) {
         cpu = OPENRISC_CPU(cpu_create(machine->cpu_type));
         if (cpu == NULL) {
diff --git a/hw/semihosting/console.c b/hw/semihosting/console.c
index 6346bd7f50..22e7827824 100644
--- a/hw/semihosting/console.c
+++ b/hw/semihosting/console.c
@@ -23,7 +23,6 @@
 #include "exec/exec-all.h"
 #include "qemu/log.h"
 #include "chardev/char.h"
-#include <pthread.h>
 #include "chardev/char-fe.h"
 #include "sysemu/sysemu.h"
 #include "qemu/main-loop.h"
diff --git a/hw/timer/puv3_ost.c b/hw/timer/puv3_ost.c
index 697519593b..f76b0bb1ca 100644
--- a/hw/timer/puv3_ost.c
+++ b/hw/timer/puv3_ost.c
@@ -14,6 +14,7 @@
 #include "hw/irq.h"
 #include "hw/ptimer.h"
 #include "qemu/module.h"
+#include "qemu/log.h"
 
 #undef DEBUG_PUV3
 #include "hw/unicore32/puv3.h"
@@ -52,7 +53,9 @@ static uint64_t puv3_ost_read(void *opaque, hwaddr offset,
         ret = s->reg_OIER;
         break;
     default:
-        DPRINTF("Bad offset %x\n", (int)offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
+                      __func__, offset);
     }
     DPRINTF("offset 0x%x, value 0x%x\n", offset, ret);
     return ret;
@@ -88,7 +91,9 @@ static void puv3_ost_write(void *opaque, hwaddr offset,
         s->reg_OIER = value;
         break;
     default:
-        DPRINTF("Bad offset %x\n", (int)offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
+                      __func__, offset);
     }
 }
 
diff --git a/hw/unicore32/puv3.c b/hw/unicore32/puv3.c
index 7f9c0238fe..eacacb4249 100644
--- a/hw/unicore32/puv3.c
+++ b/hw/unicore32/puv3.c
@@ -16,8 +16,6 @@
 #include "hw/boards.h"
 #include "hw/loader.h"
 #include "sysemu/qtest.h"
-
-#undef DEBUG_PUV3
 #include "hw/unicore32/puv3.h"
 #include "hw/input/i8042.h"
 #include "hw/irq.h"
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index e3e2181290..5fd25fe520 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -834,12 +834,12 @@ err_features:
     return r;
 }
 
-static int vhost_migration_log(MemoryListener *listener, int enable)
+static int vhost_migration_log(MemoryListener *listener, bool enable)
 {
     struct vhost_dev *dev = container_of(listener, struct vhost_dev,
                                          memory_listener);
     int r;
-    if (!!enable == dev->log_enabled) {
+    if (enable == dev->log_enabled) {
         return 0;
     }
     if (!dev->started) {
diff --git a/net/net.c b/net/net.c
index 38778e831d..cbeeeadff8 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1506,7 +1506,7 @@ static int net_param_nic(void *dummy, QemuOpts *opts, Error **errp)
     /* Create an ID if the user did not specify one */
     nd_id = g_strdup(qemu_opts_id(opts));
     if (!nd_id) {
-        nd_id = g_strdup_printf("__org.qemu.nic%i\n", idx);
+        nd_id = g_strdup_printf("__org.qemu.nic%i", idx);
         qemu_opts_set_id(opts, nd_id);
     }
 
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index ba05da3f2e..02065e35d4 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -6159,7 +6159,7 @@ static void x86_cpu_machine_done(Notifier *n, void *unused)
     if (smram) {
         cpu->smram = g_new(MemoryRegion, 1);
         memory_region_init_alias(cpu->smram, OBJECT(cpu), "smram",
-                                 smram, 0, 1ull << 32);
+                                 smram, 0, 4 * GiB);
         memory_region_set_enabled(cpu->smram, true);
         memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->smram, 1);
     }
diff --git a/target/unicore32/helper.c b/target/unicore32/helper.c
index 7d538e2144..54c26871fe 100644
--- a/target/unicore32/helper.c
+++ b/target/unicore32/helper.c
@@ -10,14 +10,11 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/log.h"
 #include "cpu.h"
 #include "exec/exec-all.h"
-#include "exec/gdbstub.h"
 #include "exec/helper-proto.h"
-#include "qemu/host-utils.h"
-#ifndef CONFIG_USER_ONLY
-#include "ui/console.h"
-#endif
+#include "hw/semihosting/console.h"
 
 #undef DEBUG_UC32
 
@@ -108,8 +105,9 @@ void helper_cp0_set(CPUUniCore32State *env, uint32_t val, uint32_t creg,
     }
     return;
 unrecognized:
-    DPRINTF("Wrong register (%d) or wrong operation (%d) in cp0_set!\n",
-            creg, cop);
+    qemu_log_mask(LOG_GUEST_ERROR,
+                  "Wrong register (%d) or wrong operation (%d) in cp0_set!\n",
+                  creg, cop);
 }
 
 uint32_t helper_cp0_get(CPUUniCore32State *env, uint32_t creg, uint32_t cop)
@@ -155,63 +153,19 @@ uint32_t helper_cp0_get(CPUUniCore32State *env, uint32_t creg, uint32_t cop)
         }
         break;
     }
-    DPRINTF("Wrong register (%d) or wrong operation (%d) in cp0_set!\n",
-            creg, cop);
+    qemu_log_mask(LOG_GUEST_ERROR,
+                  "Wrong register (%d) or wrong operation (%d) in cp0_set!\n",
+                  creg, cop);
     return 0;
 }
 
-#ifdef CONFIG_CURSES
-
-/* KEY_EVENT is defined in wincon.h and in curses.h. Avoid redefinition. */
-#undef KEY_EVENT
-#include <curses.h>
-#undef KEY_EVENT
-
-/*
- * FIXME:
- *     1. curses windows will be blank when switching back
- *     2. backspace is not handled yet
- */
-static void putc_on_screen(unsigned char ch)
+void helper_cp1_putc(target_ulong regval)
 {
-    static WINDOW *localwin;
-    static int init;
-
-    if (!init) {
-        /* Assume 80 * 30 screen to minimize the implementation */
-        localwin = newwin(30, 80, 0, 0);
-        scrollok(localwin, TRUE);
-        init = TRUE;
-    }
+    const char c = regval;
 
-    if (isprint(ch)) {
-        wprintw(localwin, "%c", ch);
-    } else {
-        switch (ch) {
-        case '\n':
-            wprintw(localwin, "%c", ch);
-            break;
-        case '\r':
-            /* If '\r' is put before '\n', the curses window will destroy the
-             * last print line. And meanwhile, '\n' implifies '\r' inside. */
-            break;
-        default: /* Not handled, so just print it hex code */
-            wprintw(localwin, "-- 0x%x --", ch);
-        }
-    }
-
-    wrefresh(localwin);
-}
-#else
-#define putc_on_screen(c)               do { } while (0)
-#endif
-
-void helper_cp1_putc(target_ulong x)
-{
-    putc_on_screen((unsigned char)x);   /* Output to screen */
-    DPRINTF("%c", x);                   /* Output to stdout */
+    qemu_semihosting_log_out(&c, sizeof(c));
 }
-#endif
+#endif /* !CONFIG_USER_ONLY */
 
 bool uc32_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
 {