From: KONRAD Frederic <[email protected]>
This prints the clock attached to a DeviceState when using "info qtree" monitor
command.
For example:
bus: main-system-bus
type System
dev: xlnx.zynqmp_crf, id ""
gpio-out "sysbus-irq" 1
gpio-out "RST_A9" 4
qemu-clk "dbg_trace" 0.0
qemu-clk "vpll_to_lpd" 12500000.0
qemu-clk "dp_stc_ref" 0.0
qemu-clk "dpll_to_lpd" 12500000.0
qemu-clk "acpu_clk" 0.0
qemu-clk "pcie_ref" 0.0
qemu-clk "topsw_main" 0.0
qemu-clk "topsw_lsbus" 0.0
qemu-clk "dp_audio_ref" 0.0
qemu-clk "sata_ref" 0.0
qemu-clk "dp_video_ref" 1428571.4
qemu-clk "vpll_clk" 50000000.0
qemu-clk "apll_to_lpd" 12500000.0
qemu-clk "dpll_clk" 50000000.0
qemu-clk "gpu_ref" 0.0
qemu-clk "aux_refclk" 0.0
qemu-clk "video_clk" 27000000.0
qemu-clk "gdma_ref" 0.0
qemu-clk "gt_crx_ref_clk" 0.0
qemu-clk "dbg_fdp" 0.0
qemu-clk "apll_clk" 50000000.0
qemu-clk "pss_alt_ref_clk" 0.0
qemu-clk "ddr" 0.0
qemu-clk "pss_ref_clk" 50000000.0
qemu-clk "dpdma_ref" 0.0
qemu-clk "dbg_tstmp" 0.0
mmio 00000000fd1a0000/000000000000010c
Signed-off-by: KONRAD Frederic <[email protected]>
---
include/qemu/qemu-clock.h | 9 +++++++++
qdev-monitor.c | 2 ++
qemu-clock.c | 28 ++++++++++++++++++++++++++++
3 files changed, 39 insertions(+)
diff --git a/include/qemu/qemu-clock.h b/include/qemu/qemu-clock.h
index 72062de..a517afd 100644
--- a/include/qemu/qemu-clock.h
+++ b/include/qemu/qemu-clock.h
@@ -148,4 +148,13 @@ void qemu_clk_set_callback(qemu_clk clk,
qemu_clk_on_rate_update_cb cb,
void *opaque);
+/**
+ * qemu_clk_print:
+ * @dev: the device for which the clock need to be printed.
+ *
+ * Print the clock information for a given device.
+ *
+ */
+void qemu_clk_print(Monitor *mon, DeviceState *dev, int indent);
+
#endif /* QEMU_CLOCK_H */
diff --git a/qdev-monitor.c b/qdev-monitor.c
index 4f78ecb..4e741f2 100644
--- a/qdev-monitor.c
+++ b/qdev-monitor.c
@@ -29,6 +29,7 @@
#include "qemu/error-report.h"
#include "qemu/help_option.h"
#include "sysemu/block-backend.h"
+#include "qemu/qemu-clock.h"
/*
* Aliases were a bad idea from the start. Let's keep them
@@ -685,6 +686,7 @@ static void qdev_print(Monitor *mon, DeviceState *dev, int
indent)
ngl->num_out);
}
}
+ qemu_clk_print(mon, dev, indent);
class = object_get_class(OBJECT(dev));
do {
qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent);
diff --git a/qemu-clock.c b/qemu-clock.c
index 5c799bc..a380341 100644
--- a/qemu-clock.c
+++ b/qemu-clock.c
@@ -27,6 +27,7 @@
#include "qemu/log.h"
#include "qapi/error.h"
#include "hw/qdev-core.h"
+#include "monitor/monitor.h"
#ifndef DEBUG_QEMU_CLOCK
#define DEBUG_QEMU_CLOCK 0
@@ -132,6 +133,33 @@ qemu_clk qemu_clk_get_pin(DeviceState *dev, const char
*name)
return QEMU_CLOCK(clk);
}
+struct print_opaque {
+ Monitor *mon;
+ int indent;
+};
+
+static int qemu_clk_print_rec(Object *obj, void *opaque)
+{
+ qemu_clk clk = (qemu_clk)(object_dynamic_cast(obj, TYPE_CLOCK));
+ struct print_opaque *po = opaque;
+
+ if (clk) {
+ monitor_printf(po->mon, "%*s" "qemu-clk \"%s\" %" PRIu64 "\n",
+ po->indent, " ", clk->name, clk->out_rate);
+ }
+
+ return 0;
+}
+
+void qemu_clk_print(Monitor *mon, DeviceState *dev, int indent)
+{
+ struct print_opaque po;
+
+ po.indent = indent;
+ po.mon = mon;
+ object_child_foreach(OBJECT(dev), qemu_clk_print_rec, &po);
+}
+
static const TypeInfo qemu_clk_info = {
.name = TYPE_CLOCK,
.parent = TYPE_OBJECT,
--
2.5.5
