Replace qemu_gettimeofday() with g_get_real_time()

GLib g_get_real_time() is an alternative to gettimeofday() which allows
to simplify our code.

For semihosting, a few bits are lost on POSIX host, but this shouldn't
be a big concern.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220307070401.171986-5-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 10 insertions, 12 deletions

diff --git a/target/m68k/m68k-semi.c b/target/m68k/m68k-semi.c
index c5c164e..37343d4 100644
--- a/target/m68k/m68k-semi.c
+++ b/target/m68k/m68k-semi.c
@@ -378,19 +378,17 @@ void do_m68k_semihosting(CPUM68KState *env, int nr)
                            arg0, arg1);
             return;
         } else {
-            qemu_timeval tv;
             struct gdb_timeval *p;
-            result = qemu_gettimeofday(&tv);
-            if (result == 0) {
-                if (!(p = lock_user(VERIFY_WRITE,
-                                    arg0, sizeof(struct gdb_timeval), 0))) {
-                    /* FIXME - check error code? */
-                    result = -1;
-                } else {
-                    p->tv_sec = cpu_to_be32(tv.tv_sec);
-                    p->tv_usec = cpu_to_be64(tv.tv_usec);
-                    unlock_user(p, arg0, sizeof(struct gdb_timeval));
-                }
+            int64_t rt = g_get_real_time();
+            p = lock_user(VERIFY_WRITE, arg0, sizeof(struct gdb_timeval), 0);
+            if (!p) {
+                /* FIXME - check error code? */
+                result = -1;
+            } else {
+                result = 0;
+                p->tv_sec = cpu_to_be32(rt / G_USEC_PER_SEC);
+                p->tv_usec = cpu_to_be64(rt % G_USEC_PER_SEC);
+                unlock_user(p, arg0, sizeof(struct gdb_timeval));
             }
         }
         break;