target_get_monitor_def() fills an unsigned value.
Have get_monitor_def() fill an unsigned value too.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Dr. David Alan Gilbert <dave@treblig.org>
---
 monitor/monitor-internal.h | 2 +-
 monitor/hmp-target.c       | 4 ++--
 monitor/hmp.c              | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h
index feca111ae31..8dc88963630 100644
--- a/monitor/monitor-internal.h
+++ b/monitor/monitor-internal.h
@@ -181,7 +181,7 @@ void monitor_data_destroy_qmp(MonitorQMP *mon);
 void coroutine_fn monitor_qmp_dispatcher_co(void *data);
 void qmp_dispatcher_co_wake(void);
 
-int get_monitor_def(Monitor *mon, int64_t *pval, const char *name);
+int get_monitor_def(Monitor *mon, uint64_t *pval, const char *name);
 void handle_hmp_command(MonitorHMP *mon, const char *cmdline);
 int hmp_compare_cmd(const char *name, const char *list);
 
diff --git a/monitor/hmp-target.c b/monitor/hmp-target.c
index 1600666ee92..5738b47bb03 100644
--- a/monitor/hmp-target.c
+++ b/monitor/hmp-target.c
@@ -63,7 +63,7 @@ HMPCommand *hmp_cmds_for_target(bool info_command)
  * Set @pval to the value in the register identified by @name.
  * return 0 if OK, -1 if not found
  */
-int get_monitor_def(Monitor *mon, int64_t *pval, const char *name)
+int get_monitor_def(Monitor *mon, uint64_t *pval, const char *name)
 {
     const MonitorDef *md = target_monitor_defs();
     CPUState *cs = mon_get_cpu(mon);
@@ -100,7 +100,7 @@ int get_monitor_def(Monitor *mon, int64_t *pval, const char *name)
 
     ret = target_get_monitor_def(cs, name, &tmp);
     if (!ret) {
-        *pval = (target_long) tmp;
+        *pval = (target_ulong)tmp;
     }
 
     return ret;
diff --git a/monitor/hmp.c b/monitor/hmp.c
index 0a5bbf82197..eee8b7e964e 100644
--- a/monitor/hmp.c
+++ b/monitor/hmp.c
@@ -376,7 +376,7 @@ static int64_t expr_unary(Monitor *mon)
     case '$':
         {
             char buf[128], *q;
-            int64_t reg = 0;
+            uint64_t reg = 0;
 
             pch++;
             q = buf;
-- 
2.52.0