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-rw-r--r--hw/misc/mos6522.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/hw/misc/mos6522.c b/hw/misc/mos6522.c
index 9c8d4ca6ad..2c20decca1 100644
--- a/hw/misc/mos6522.c
+++ b/hw/misc/mos6522.c
@@ -30,6 +30,9 @@
#include "hw/misc/mos6522.h"
#include "hw/qdev-properties.h"
#include "migration/vmstate.h"
+#include "monitor/monitor.h"
+#include "monitor/hmp.h"
+#include "qapi/type-helpers.h"
#include "qemu/timer.h"
#include "qemu/cutils.h"
#include "qemu/log.h"
@@ -415,6 +418,106 @@ void mos6522_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
}
}
+static int qmp_x_query_via_foreach(Object *obj, void *opaque)
+{
+ GString *buf = opaque;
+
+ if (object_dynamic_cast(obj, TYPE_MOS6522)) {
+ MOS6522State *s = MOS6522(obj);
+ int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+ uint16_t t1counter = get_counter(s, &s->timers[0]);
+ uint16_t t2counter = get_counter(s, &s->timers[1]);
+
+ g_string_append_printf(buf, "%s:\n", object_get_typename(obj));
+
+ g_string_append_printf(buf, " Registers:\n");
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[0], s->b);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[1], s->a);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[2], s->dirb);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[3], s->dira);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[4], t1counter & 0xff);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[5], t1counter >> 8);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[6],
+ s->timers[0].latch & 0xff);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[7],
+ s->timers[0].latch >> 8);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[8], t2counter & 0xff);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[9], t2counter >> 8);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[10], s->sr);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[11], s->acr);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[12], s->pcr);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[13], s->ifr);
+ g_string_append_printf(buf, " %-*s: 0x%x\n", 4,
+ mos6522_reg_names[14], s->ier);
+
+ g_string_append_printf(buf, " Timers:\n");
+ g_string_append_printf(buf, " Using current time now(ns)=%"PRId64
+ "\n", now);
+ g_string_append_printf(buf, " T1 freq(hz)=%"PRId64
+ " mode=%s"
+ " counter=0x%x"
+ " latch=0x%x\n"
+ " load_time(ns)=%"PRId64
+ " next_irq_time(ns)=%"PRId64 "\n",
+ s->timers[0].frequency,
+ ((s->acr & T1MODE) == T1MODE_CONT) ? "continuous"
+ : "one-shot",
+ t1counter,
+ s->timers[0].latch,
+ s->timers[0].load_time,
+ get_next_irq_time(s, &s->timers[0], now));
+ g_string_append_printf(buf, " T2 freq(hz)=%"PRId64
+ " mode=%s"
+ " counter=0x%x"
+ " latch=0x%x\n"
+ " load_time(ns)=%"PRId64
+ " next_irq_time(ns)=%"PRId64 "\n",
+ s->timers[1].frequency,
+ "one-shot",
+ t2counter,
+ s->timers[1].latch,
+ s->timers[1].load_time,
+ get_next_irq_time(s, &s->timers[1], now));
+ }
+
+ return 0;
+}
+
+static HumanReadableText *qmp_x_query_via(Error **errp)
+{
+ g_autoptr(GString) buf = g_string_new("");
+
+ object_child_foreach_recursive(object_get_root(),
+ qmp_x_query_via_foreach, buf);
+
+ return human_readable_text_from_str(buf);
+}
+
+void hmp_info_via(Monitor *mon, const QDict *qdict)
+{
+ Error *err = NULL;
+ g_autoptr(HumanReadableText) info = qmp_x_query_via(&err);
+
+ if (hmp_handle_error(mon, err)) {
+ return;
+ }
+ monitor_printf(mon, "%s", info->human_readable_text);
+}
+
static const MemoryRegionOps mos6522_ops = {
.read = mos6522_read,
.write = mos6522_write,