target: Simplify how the TARGET_cpu_list() print

The various TARGET_cpu_list() take an fprintf()-like callback and a
FILE * to pass to it.  Their callers (vl.c's main() via list_cpus(),
bsd-user/main.c's main(), linux-user/main.c's main()) all pass
fprintf() and stdout.  Thus, the flexibility provided by the (rather
tiresome) indirection isn't actually used.

Drop the callback, and call qemu_printf() instead.

Calling printf() would also work, but would make the code unsuitable
for monitor context without making it simpler.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190417191805.28198-10-armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

2 files changed, 5 insertions, 11 deletions

diff --git a/target/m68k/cpu.h b/target/m68k/cpu.h
index f154565117..9c1f0a2458 100644
--- a/target/m68k/cpu.h
+++ b/target/m68k/cpu.h
@@ -499,7 +499,7 @@ static inline int m68k_feature(CPUM68KState *env, int feature)
     return (env->features & (1u << feature)) != 0;
 }
 
-void m68k_cpu_list(FILE *f, fprintf_function cpu_fprintf);
+void m68k_cpu_list(void);
 
 void register_m68k_insns (CPUM68KState *env);
 
diff --git a/target/m68k/helper.c b/target/m68k/helper.c
index 3e26d337bf..bb64cf15c0 100644
--- a/target/m68k/helper.c
+++ b/target/m68k/helper.c
@@ -22,9 +22,9 @@
 #include "cpu.h"
 #include "exec/exec-all.h"
 #include "exec/gdbstub.h"
-
 #include "exec/helper-proto.h"
 #include "fpu/softfloat.h"
+#include "qemu/qemu-print.h"
 
 #define SIGNBIT (1u << 31)
 
@@ -49,28 +49,22 @@ static gint m68k_cpu_list_compare(gconstpointer a, gconstpointer b)
 static void m68k_cpu_list_entry(gpointer data, gpointer user_data)
 {
     ObjectClass *c = data;
-    CPUListState *s = user_data;
     const char *typename;
     char *name;
 
     typename = object_class_get_name(c);
     name = g_strndup(typename, strlen(typename) - strlen("-" TYPE_M68K_CPU));
-    (*s->cpu_fprintf)(s->file, "%s\n",
-                      name);
+    qemu_printf("%s\n", name);
     g_free(name);
 }
 
-void m68k_cpu_list(FILE *f, fprintf_function cpu_fprintf)
+void m68k_cpu_list(void)
 {
-    CPUListState s = {
-        .file = f,
-        .cpu_fprintf = cpu_fprintf,
-    };
     GSList *list;
 
     list = object_class_get_list(TYPE_M68K_CPU, false);
     list = g_slist_sort(list, m68k_cpu_list_compare);
-    g_slist_foreach(list, m68k_cpu_list_entry, &s);
+    g_slist_foreach(list, m68k_cpu_list_entry, NULL);
     g_slist_free(list);
 }