X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=monitor.c;h=70b473ddbff6ba7b3b3373485a05640675a88d2e;hb=e80e1cc4b18d388227d2fa6b8551929a381d2490;hp=de47684bc68f7788e89f6c9e9ee11b4e66377f6f;hpb=7fe48483cd90401de2477733ce65037ee0ed0906;p=qemu

diff --git a/monitor.c b/monitor.c
index de47684..70b473d 100644
--- a/monitor.c
+++ b/monitor.c
@@ -38,7 +38,8 @@
  * 'F'          filename
  * 'B'          block device name
  * 's'          string (accept optional quote)
- * 'i'          integer
+ * 'i'          32 bit integer
+ * 'l'          target long (32 or 64 bit)
  * '/'          optional gdb-like print format (like "/10x")
  *
  * '?'          optional type (for 'F', 's' and 'i')
@@ -63,6 +64,8 @@ static int term_outbuf_index;
 
 static void monitor_start_input(void);
 
+CPUState *mon_cpu = NULL;
+
 void term_flush(void)
 {
     if (term_outbuf_index > 0) {
@@ -190,39 +193,88 @@ static void do_info(const char *item)
     cmd->handler();
 }
 
-static void do_info_network(void)
+static void do_info_version(void)
 {
-    int i, j;
-    NetDriverState *nd;
-    
-    for(i = 0; i < nb_nics; i++) {
-        nd = &nd_table[i];
-        term_printf("%d: ifname=%s macaddr=", i, nd->ifname);
-        for(j = 0; j < 6; j++) {
-            if (j > 0)
-                term_printf(":");
-            term_printf("%02x", nd->macaddr[j]);
-        }
-        term_printf("\n");
-    }
+  term_printf("%s\n", QEMU_VERSION);
 }
- 
+
 static void do_info_block(void)
 {
     bdrv_info();
 }
 
+/* get the current CPU defined by the user */
+int mon_set_cpu(int cpu_index)
+{
+    CPUState *env;
+
+    for(env = first_cpu; env != NULL; env = env->next_cpu) {
+        if (env->cpu_index == cpu_index) {
+            mon_cpu = env;
+            return 0;
+        }
+    }
+    return -1;
+}
+
+CPUState *mon_get_cpu(void)
+{
+    if (!mon_cpu) {
+        mon_set_cpu(0);
+    }
+    return mon_cpu;
+}
+
 static void do_info_registers(void)
 {
+    CPUState *env;
+    env = mon_get_cpu();
+    if (!env)
+        return;
 #ifdef TARGET_I386
-    cpu_dump_state(cpu_single_env, stdout, monitor_fprintf,
-                   X86_DUMP_FPU | X86_DUMP_CCOP);
+    cpu_dump_state(env, NULL, monitor_fprintf,
+                   X86_DUMP_FPU);
 #else
-    cpu_dump_state(cpu_single_env, stdout, monitor_fprintf, 
+    cpu_dump_state(env, NULL, monitor_fprintf, 
                    0);
 #endif
 }
 
+static void do_info_cpus(void)
+{
+    CPUState *env;
+
+    /* just to set the default cpu if not already done */
+    mon_get_cpu();
+
+    for(env = first_cpu; env != NULL; env = env->next_cpu) {
+        term_printf("%c CPU #%d:", 
+                    (env == mon_cpu) ? '*' : ' ',
+                    env->cpu_index);
+#if defined(TARGET_I386)
+        term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
+        if (env->hflags & HF_HALTED_MASK)
+            term_printf(" (halted)");
+#elif defined(TARGET_PPC)
+        term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
+        if (msr_pow)
+            term_printf(" (halted)");
+#endif
+        term_printf("\n");
+    }
+}
+
+static void do_cpu_set(int index)
+{
+    if (mon_set_cpu(index) < 0)
+        term_printf("Invalid CPU index\n");
+}
+
+static void do_info_jit(void)
+{
+    dump_exec_info(NULL, monitor_fprintf);
+}
+
 static void do_info_history (void)
 {
     int i;
@@ -240,6 +292,9 @@ static void do_info_history (void)
 
 static void do_quit(void)
 {
+#ifdef USE_KQEMU
+    kqemu_record_dump();
+#endif
     exit(0);
 }
 
@@ -384,6 +439,7 @@ static void term_printc(int c)
 static void memory_dump(int count, int format, int wsize, 
                         target_ulong addr, int is_physical)
 {
+    CPUState *env;
     int nb_per_line, l, line_size, i, max_digits, len;
     uint8_t buf[16];
     uint64_t v;
@@ -391,19 +447,22 @@ static void memory_dump(int count, int format, int wsize,
     if (format == 'i') {
         int flags;
         flags = 0;
+        env = mon_get_cpu();
+        if (!env && !is_physical)
+            return;
 #ifdef TARGET_I386
         if (wsize == 2) {
             flags = 1;
         } else if (wsize == 4) {
             flags = 0;
         } else {
-            /* as default we use the current CS size */
+                /* as default we use the current CS size */
             flags = 0;
-            if (!(cpu_single_env->segs[R_CS].flags & DESC_B_MASK))
+            if (env && !(env->segs[R_CS].flags & DESC_B_MASK))
                 flags = 1;
         }
 #endif
-        monitor_disas(addr, count, is_physical, flags);
+        monitor_disas(env, addr, count, is_physical, flags);
         return;
     }
 
@@ -433,14 +492,17 @@ static void memory_dump(int count, int format, int wsize,
     }
 
     while (len > 0) {
-        term_printf("0x%08x:", addr);
+        term_printf(TARGET_FMT_lx ":", addr);
         l = len;
         if (l > line_size)
             l = line_size;
         if (is_physical) {
             cpu_physical_memory_rw(addr, buf, l, 0);
         } else {
-            cpu_memory_rw_debug(cpu_single_env, addr, buf, l, 0);
+            env = mon_get_cpu();
+            if (!env)
+                break;
+            cpu_memory_rw_debug(env, addr, buf, l, 0);
         }
         i = 0; 
         while (i < l) {
@@ -453,7 +515,7 @@ static void memory_dump(int count, int format, int wsize,
                 v = lduw_raw(buf + i);
                 break;
             case 4:
-                v = ldl_raw(buf + i);
+                v = (uint32_t)ldl_raw(buf + i);
                 break;
             case 8:
                 v = ldq_raw(buf + i);
@@ -485,18 +547,31 @@ static void memory_dump(int count, int format, int wsize,
     }
 }
 
-static void do_memory_dump(int count, int format, int size, int addr)
+#if TARGET_LONG_BITS == 64
+#define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
+#else
+#define GET_TLONG(h, l) (l)
+#endif
+
+static void do_memory_dump(int count, int format, int size, 
+                           uint32_t addrh, uint32_t addrl)
 {
+    target_long addr = GET_TLONG(addrh, addrl);
     memory_dump(count, format, size, addr, 0);
 }
 
-static void do_physical_memory_dump(int count, int format, int size, int addr)
+static void do_physical_memory_dump(int count, int format, int size,
+                                    uint32_t addrh, uint32_t addrl)
+
 {
+    target_long addr = GET_TLONG(addrh, addrl);
     memory_dump(count, format, size, addr, 1);
 }
 
-static void do_print(int count, int format, int size, int val)
+static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
 {
+    target_long val = GET_TLONG(valh, vall);
+#if TARGET_LONG_BITS == 32
     switch(format) {
     case 'o':
         term_printf("%#o", val);
@@ -515,9 +590,45 @@ static void do_print(int count, int format, int size, int val)
         term_printc(val);
         break;
     }
+#else
+    switch(format) {
+    case 'o':
+        term_printf("%#llo", val);
+        break;
+    case 'x':
+        term_printf("%#llx", val);
+        break;
+    case 'u':
+        term_printf("%llu", val);
+        break;
+    default:
+    case 'd':
+        term_printf("%lld", val);
+        break;
+    case 'c':
+        term_printc(val);
+        break;
+    }
+#endif
     term_printf("\n");
 }
 
+static void do_sum(uint32_t start, uint32_t size)
+{
+    uint32_t addr;
+    uint8_t buf[1];
+    uint16_t sum;
+
+    sum = 0;
+    for(addr = start; addr < (start + size); addr++) {
+        cpu_physical_memory_rw(addr, buf, 1, 0);
+        /* BSD sum algorithm ('sum' Unix command) */
+        sum = (sum >> 1) | (sum << 15);
+        sum += buf[0];
+    }
+    term_printf("%05d\n", sum);
+}
+
 typedef struct {
     int keycode;
     const char *name;
@@ -707,6 +818,11 @@ static void do_system_reset(void)
     qemu_system_reset_request();
 }
 
+static void do_system_powerdown(void)
+{
+    qemu_system_powerdown_request();
+}
+
 #if defined(TARGET_I386)
 static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 {
@@ -725,10 +841,14 @@ static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
 
 static void tlb_info(void)
 {
-    CPUState *env = cpu_single_env;
+    CPUState *env;
     int l1, l2;
     uint32_t pgd, pde, pte;
 
+    env = mon_get_cpu();
+    if (!env)
+        return;
+
     if (!(env->cr[0] & CR0_PG_MASK)) {
         term_printf("PG disabled\n");
         return;
@@ -759,13 +879,15 @@ static void tlb_info(void)
 static void mem_print(uint32_t *pstart, int *plast_prot, 
                       uint32_t end, int prot)
 {
-    if (prot != *plast_prot) {
+    int prot1;
+    prot1 = *plast_prot;
+    if (prot != prot1) {
         if (*pstart != -1) {
             term_printf("%08x-%08x %08x %c%c%c\n",
                         *pstart, end, end - *pstart, 
-                        prot & PG_USER_MASK ? 'u' : '-',
+                        prot1 & PG_USER_MASK ? 'u' : '-',
                         'r',
-                        prot & PG_RW_MASK ? 'w' : '-');
+                        prot1 & PG_RW_MASK ? 'w' : '-');
         }
         if (prot != 0)
             *pstart = end;
@@ -777,10 +899,14 @@ static void mem_print(uint32_t *pstart, int *plast_prot,
 
 static void mem_info(void)
 {
-    CPUState *env = cpu_single_env;
+    CPUState *env;
     int l1, l2, prot, last_prot;
     uint32_t pgd, pde, pte, start, end;
 
+    env = mon_get_cpu();
+    if (!env)
+        return;
+
     if (!(env->cr[0] & CR0_PG_MASK)) {
         term_printf("PG disabled\n");
         return;
@@ -818,6 +944,24 @@ static void mem_info(void)
 }
 #endif
 
+static void do_info_kqemu(void)
+{
+#ifdef USE_KQEMU
+    CPUState *env;
+    int val;
+    val = 0;
+    env = mon_get_cpu();
+    if (!env) {
+        term_printf("No cpu initialized yet");
+        return;
+    }
+    val = env->kqemu_enabled;
+    term_printf("kqemu is %s\n", val ? "enabled" : "disabled");
+#else
+    term_printf("kqemu support is not compiled\n");
+#endif
+} 
+
 static term_cmd_t term_cmds[] = {
     { "help|?", "s?", do_help, 
       "[cmd]", "show the help" },
@@ -847,11 +991,11 @@ static term_cmd_t term_cmds[] = {
     { "gdbserver", "i?", do_gdbserver, 
       "[port]", "start gdbserver session (default port=1234)", },
 #endif
-    { "x", "/i", do_memory_dump, 
+    { "x", "/l", do_memory_dump, 
       "/fmt addr", "virtual memory dump starting at 'addr'", },
-    { "xp", "/i", do_physical_memory_dump, 
+    { "xp", "/l", do_physical_memory_dump, 
       "/fmt addr", "physical memory dump starting at 'addr'", },
-    { "p|print", "/i", do_print, 
+    { "p|print", "/l", do_print, 
       "/fmt expr", "print expression value (use $reg for CPU register access)", },
     { "i", "/ii.", do_ioport_read, 
       "/fmt addr", "I/O port read" },
@@ -860,16 +1004,30 @@ static term_cmd_t term_cmds[] = {
       "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
     { "system_reset", "", do_system_reset, 
       "", "reset the system" },
+    { "system_powerdown", "", do_system_powerdown, 
+      "", "send system power down event" },
+    { "sum", "ii", do_sum, 
+      "addr size", "compute the checksum of a memory region" },
+    { "usb_add", "s", do_usb_add,
+      "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
+    { "usb_del", "s", do_usb_del,
+      "device", "remove USB device 'bus.addr'" },
+    { "cpu", "i", do_cpu_set, 
+      "index", "set the default CPU" },
     { NULL, NULL, }, 
 };
 
 static term_cmd_t info_cmds[] = {
+    { "version", "", do_info_version,
+      "", "show the version of qemu" },
     { "network", "", do_info_network,
       "", "show the network state" },
     { "block", "", do_info_block,
       "", "show the block devices" },
     { "registers", "", do_info_registers,
       "", "show the cpu registers" },
+    { "cpus", "", do_info_cpus,
+      "", "show infos for each CPU" },
     { "history", "", do_info_history,
       "", "show the command line history", },
     { "irq", "", irq_info,
@@ -884,6 +1042,14 @@ static term_cmd_t info_cmds[] = {
     { "mem", "", mem_info,
       "", "show the active virtual memory mappings", },
 #endif
+    { "jit", "", do_info_jit,
+      "", "show dynamic compiler info", },
+    { "kqemu", "", do_info_kqemu,
+      "", "show kqemu information", },
+    { "usb", "", usb_info,
+      "", "show guest USB devices", },
+    { "usbhost", "", usb_host_info,
+      "", "show host USB devices", },
     { NULL, NULL, },
 };
 
@@ -892,84 +1058,118 @@ static term_cmd_t info_cmds[] = {
 static const char *pch;
 static jmp_buf expr_env;
 
+#define MD_TLONG 0
+#define MD_I32   1
+
 typedef struct MonitorDef {
     const char *name;
     int offset;
-    int (*get_value)(struct MonitorDef *md, int val);
+    target_long (*get_value)(struct MonitorDef *md, int val);
+    int type;
 } MonitorDef;
 
 #if defined(TARGET_I386)
-static int monitor_get_pc (struct MonitorDef *md, int val)
+static target_long monitor_get_pc (struct MonitorDef *md, int val)
 {
-    return cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base;
+    CPUState *env = mon_get_cpu();
+    if (!env)
+        return 0;
+    return env->eip + env->segs[R_CS].base;
 }
 #endif
 
 #if defined(TARGET_PPC)
-static int monitor_get_ccr (struct MonitorDef *md, int val)
+static target_long monitor_get_ccr (struct MonitorDef *md, int val)
 {
+    CPUState *env = mon_get_cpu();
     unsigned int u;
     int i;
 
+    if (!env)
+        return 0;
+
     u = 0;
     for (i = 0; i < 8; i++)
-	u |= cpu_single_env->crf[i] << (32 - (4 * i));
+	u |= env->crf[i] << (32 - (4 * i));
 
     return u;
 }
 
-static int monitor_get_msr (struct MonitorDef *md, int val)
+static target_long monitor_get_msr (struct MonitorDef *md, int val)
 {
-    return (cpu_single_env->msr[MSR_POW] << MSR_POW) |
-        (cpu_single_env->msr[MSR_ILE] << MSR_ILE) |
-        (cpu_single_env->msr[MSR_EE] << MSR_EE) |
-        (cpu_single_env->msr[MSR_PR] << MSR_PR) |
-        (cpu_single_env->msr[MSR_FP] << MSR_FP) |
-        (cpu_single_env->msr[MSR_ME] << MSR_ME) |
-        (cpu_single_env->msr[MSR_FE0] << MSR_FE0) |
-        (cpu_single_env->msr[MSR_SE] << MSR_SE) |
-        (cpu_single_env->msr[MSR_BE] << MSR_BE) |
-        (cpu_single_env->msr[MSR_FE1] << MSR_FE1) |
-        (cpu_single_env->msr[MSR_IP] << MSR_IP) |
-        (cpu_single_env->msr[MSR_IR] << MSR_IR) |
-        (cpu_single_env->msr[MSR_DR] << MSR_DR) |
-        (cpu_single_env->msr[MSR_RI] << MSR_RI) |
-        (cpu_single_env->msr[MSR_LE] << MSR_LE);
+    CPUState *env = mon_get_cpu();
+    if (!env)
+        return 0;
+    return (env->msr[MSR_POW] << MSR_POW) |
+        (env->msr[MSR_ILE] << MSR_ILE) |
+        (env->msr[MSR_EE] << MSR_EE) |
+        (env->msr[MSR_PR] << MSR_PR) |
+        (env->msr[MSR_FP] << MSR_FP) |
+        (env->msr[MSR_ME] << MSR_ME) |
+        (env->msr[MSR_FE0] << MSR_FE0) |
+        (env->msr[MSR_SE] << MSR_SE) |
+        (env->msr[MSR_BE] << MSR_BE) |
+        (env->msr[MSR_FE1] << MSR_FE1) |
+        (env->msr[MSR_IP] << MSR_IP) |
+        (env->msr[MSR_IR] << MSR_IR) |
+        (env->msr[MSR_DR] << MSR_DR) |
+        (env->msr[MSR_RI] << MSR_RI) |
+        (env->msr[MSR_LE] << MSR_LE);
 }
 
-static int monitor_get_xer (struct MonitorDef *md, int val)
+static target_long monitor_get_xer (struct MonitorDef *md, int val)
 {
-    return (cpu_single_env->xer[XER_SO] << XER_SO) |
-        (cpu_single_env->xer[XER_OV] << XER_OV) |
-        (cpu_single_env->xer[XER_CA] << XER_CA) |
-        (cpu_single_env->xer[XER_BC] << XER_BC);
+    CPUState *env = mon_get_cpu();
+    if (!env)
+        return 0;
+    return (env->xer[XER_SO] << XER_SO) |
+        (env->xer[XER_OV] << XER_OV) |
+        (env->xer[XER_CA] << XER_CA) |
+        (env->xer[XER_BC] << XER_BC);
 }
 
-static int monitor_get_decr (struct MonitorDef *md, int val)
+static target_long monitor_get_decr (struct MonitorDef *md, int val)
 {
-    return cpu_ppc_load_decr(cpu_single_env);
+    CPUState *env = mon_get_cpu();
+    if (!env)
+        return 0;
+    return cpu_ppc_load_decr(env);
 }
 
-static int monitor_get_tbu (struct MonitorDef *md, int val)
+static target_long monitor_get_tbu (struct MonitorDef *md, int val)
 {
-    return cpu_ppc_load_tbu(cpu_single_env);
+    CPUState *env = mon_get_cpu();
+    if (!env)
+        return 0;
+    return cpu_ppc_load_tbu(env);
 }
 
-static int monitor_get_tbl (struct MonitorDef *md, int val)
+static target_long monitor_get_tbl (struct MonitorDef *md, int val)
 {
-    return cpu_ppc_load_tbl(cpu_single_env);
+    CPUState *env = mon_get_cpu();
+    if (!env)
+        return 0;
+    return cpu_ppc_load_tbl(env);
 }
 #endif
 
 #if defined(TARGET_SPARC)
-static int monitor_get_psr (struct MonitorDef *md, int val)
+#ifndef TARGET_SPARC64
+static target_long monitor_get_psr (struct MonitorDef *md, int val)
 {
-    return GET_PSR(cpu_single_env);
+    CPUState *env = mon_get_cpu();
+    if (!env)
+        return 0;
+    return GET_PSR(env);
 }
+#endif
 
-static int monitor_get_reg(struct MonitorDef *md, int val)
+static target_long monitor_get_reg(struct MonitorDef *md, int val)
 {
-    return cpu_single_env->regwptr[val];
+    CPUState *env = mon_get_cpu();
+    if (!env)
+        return 0;
+    return env->regwptr[val];
 }
 #endif
 
@@ -977,9 +1177,9 @@ static MonitorDef monitor_defs[] = {
 #ifdef TARGET_I386
 
 #define SEG(name, seg) \
-    { name, offsetof(CPUState, segs[seg].selector) },\
+    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
     { name ".base", offsetof(CPUState, segs[seg].base) },\
-    { name ".limit", offsetof(CPUState, segs[seg].limit) },
+    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
 
     { "eax", offsetof(CPUState, regs[0]) },
     { "ecx", offsetof(CPUState, regs[1]) },
@@ -989,6 +1189,16 @@ static MonitorDef monitor_defs[] = {
     { "ebp|fp", offsetof(CPUState, regs[5]) },
     { "esi", offsetof(CPUState, regs[6]) },
     { "edi", offsetof(CPUState, regs[7]) },
+#ifdef TARGET_X86_64
+    { "r8", offsetof(CPUState, regs[8]) },
+    { "r9", offsetof(CPUState, regs[9]) },
+    { "r10", offsetof(CPUState, regs[10]) },
+    { "r11", offsetof(CPUState, regs[11]) },
+    { "r12", offsetof(CPUState, regs[12]) },
+    { "r13", offsetof(CPUState, regs[13]) },
+    { "r14", offsetof(CPUState, regs[14]) },
+    { "r15", offsetof(CPUState, regs[15]) },
+#endif
     { "eflags", offsetof(CPUState, eflags) },
     { "eip", offsetof(CPUState, eip) },
     SEG("cs", R_CS)
@@ -1094,8 +1304,10 @@ static MonitorDef monitor_defs[] = {
     { "pc", offsetof(CPUState, pc) },
     { "npc", offsetof(CPUState, npc) },
     { "y", offsetof(CPUState, y) },
+#ifndef TARGET_SPARC64
     { "psr", 0, &monitor_get_psr, },
     { "wim", offsetof(CPUState, wim) },
+#endif
     { "tbr", offsetof(CPUState, tbr) },
     { "fsr", offsetof(CPUState, fsr) },
     { "f0", offsetof(CPUState, fpr[0]) },
@@ -1130,6 +1342,32 @@ static MonitorDef monitor_defs[] = {
     { "f29", offsetof(CPUState, fpr[29]) },
     { "f30", offsetof(CPUState, fpr[30]) },
     { "f31", offsetof(CPUState, fpr[31]) },
+#ifdef TARGET_SPARC64
+    { "f32", offsetof(CPUState, fpr[32]) },
+    { "f34", offsetof(CPUState, fpr[34]) },
+    { "f36", offsetof(CPUState, fpr[36]) },
+    { "f38", offsetof(CPUState, fpr[38]) },
+    { "f40", offsetof(CPUState, fpr[40]) },
+    { "f42", offsetof(CPUState, fpr[42]) },
+    { "f44", offsetof(CPUState, fpr[44]) },
+    { "f46", offsetof(CPUState, fpr[46]) },
+    { "f48", offsetof(CPUState, fpr[48]) },
+    { "f50", offsetof(CPUState, fpr[50]) },
+    { "f52", offsetof(CPUState, fpr[52]) },
+    { "f54", offsetof(CPUState, fpr[54]) },
+    { "f56", offsetof(CPUState, fpr[56]) },
+    { "f58", offsetof(CPUState, fpr[58]) },
+    { "f60", offsetof(CPUState, fpr[60]) },
+    { "f62", offsetof(CPUState, fpr[62]) },
+    { "asi", offsetof(CPUState, asi) },
+    { "pstate", offsetof(CPUState, pstate) },
+    { "cansave", offsetof(CPUState, cansave) },
+    { "canrestore", offsetof(CPUState, canrestore) },
+    { "otherwin", offsetof(CPUState, otherwin) },
+    { "wstate", offsetof(CPUState, wstate) },
+    { "cleanwin", offsetof(CPUState, cleanwin) },
+    { "fprs", offsetof(CPUState, fprs) },
+#endif
 #endif
     { NULL },
 };
@@ -1141,15 +1379,32 @@ static void expr_error(const char *fmt)
     longjmp(expr_env, 1);
 }
 
-static int get_monitor_def(int *pval, const char *name)
+/* return 0 if OK, -1 if not found, -2 if no CPU defined */
+static int get_monitor_def(target_long *pval, const char *name)
 {
     MonitorDef *md;
+    void *ptr;
+
     for(md = monitor_defs; md->name != NULL; md++) {
         if (compare_cmd(name, md->name)) {
             if (md->get_value) {
                 *pval = md->get_value(md, md->offset);
             } else {
-                *pval = *(uint32_t *)((uint8_t *)cpu_single_env + md->offset);
+                CPUState *env = mon_get_cpu();
+                if (!env)
+                    return -2;
+                ptr = (uint8_t *)env + md->offset;
+                switch(md->type) {
+                case MD_I32:
+                    *pval = *(int32_t *)ptr;
+                    break;
+                case MD_TLONG:
+                    *pval = *(target_long *)ptr;
+                    break;
+                default:
+                    *pval = 0;
+                    break;
+                }
             }
             return 0;
         }
@@ -1166,12 +1421,13 @@ static void next(void)
     }
 }
 
-static int expr_sum(void);
+static target_long expr_sum(void);
 
-static int expr_unary(void)
+static target_long expr_unary(void)
 {
-    int n;
+    target_long n;
     char *p;
+    int ret;
 
     switch(*pch) {
     case '+':
@@ -1221,8 +1477,11 @@ static int expr_unary(void)
             while (isspace(*pch))
                 pch++;
             *q = 0;
-            if (get_monitor_def(&n, buf))
+            ret = get_monitor_def(&n, buf);
+            if (ret == -1)
                 expr_error("unknown register");
+            else if (ret == -2) 
+                expr_error("no cpu defined");
         }
         break;
     case '\0':
@@ -1243,10 +1502,11 @@ static int expr_unary(void)
 }
 
 
-static int expr_prod(void)
+static target_long expr_prod(void)
 {
-    int val, val2, op;
-
+    target_long val, val2;
+    int op;
+    
     val = expr_unary();
     for(;;) {
         op = *pch;
@@ -1273,9 +1533,10 @@ static int expr_prod(void)
     return val;
 }
 
-static int expr_logic(void)
+static target_long expr_logic(void)
 {
-    int val, val2, op;
+    target_long val, val2;
+    int op;
 
     val = expr_prod();
     for(;;) {
@@ -1300,9 +1561,10 @@ static int expr_logic(void)
     return val;
 }
 
-static int expr_sum(void)
+static target_long expr_sum(void)
 {
-    int val, val2, op;
+    target_long val, val2;
+    int op;
 
     val = expr_logic();
     for(;;) {
@@ -1319,7 +1581,7 @@ static int expr_sum(void)
     return val;
 }
 
-static int get_expr(int *pval, const char **pp)
+static int get_expr(target_long *pval, const char **pp)
 {
     pch = *pp;
     if (setjmp(expr_env)) {
@@ -1580,8 +1842,9 @@ static void monitor_handle_command(const char *cmdline)
             }
             break;
         case 'i':
+        case 'l':
             {
-                int val;
+                target_long val;
                 while (isspace(*p)) 
                     p++;
                 if (*typestr == '?' || *typestr == '.') {
@@ -1614,9 +1877,20 @@ static void monitor_handle_command(const char *cmdline)
                 if (get_expr(&val, &p))
                     goto fail;
             add_num:
-                if (nb_args >= MAX_ARGS)
-                    goto error_args;
-                args[nb_args++] = (void *)val;
+                if (c == 'i') {
+                    if (nb_args >= MAX_ARGS)
+                        goto error_args;
+                    args[nb_args++] = (void *)(int)val;
+                } else {
+                    if ((nb_args + 1) >= MAX_ARGS)
+                        goto error_args;
+#if TARGET_LONG_BITS == 64
+                    args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
+#else
+                    args[nb_args++] = (void *)0;
+#endif
+                    args[nb_args++] = (void *)(int)(val & 0xffffffff);
+                }
             }
             break;
         case '-':