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Diffstat (limited to 'hw/misc/mps2-scc.c')
-rw-r--r--hw/misc/mps2-scc.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/hw/misc/mps2-scc.c b/hw/misc/mps2-scc.c
index 9d0909e7b3..ce1dfe9356 100644
--- a/hw/misc/mps2-scc.c
+++ b/hw/misc/mps2-scc.c
@@ -20,11 +20,13 @@
#include "qemu/osdep.h"
#include "qemu/log.h"
#include "qemu/module.h"
+#include "qemu/bitops.h"
#include "trace.h"
#include "hw/sysbus.h"
#include "migration/vmstate.h"
#include "hw/registerfields.h"
#include "hw/misc/mps2-scc.h"
+#include "hw/misc/led.h"
#include "hw/qdev-properties.h"
REG32(CFG0, 0)
@@ -152,18 +154,10 @@ static void mps2_scc_write(void *opaque, hwaddr offset, uint64_t value,
s->cfg0 = value;
break;
case A_CFG1:
- /* CFG1 bits [7:0] control the board LEDs. We don't currently have
- * a mechanism for displaying this graphically, so use a trace event.
- */
- trace_mps2_scc_leds(value & 0x80 ? '*' : '.',
- value & 0x40 ? '*' : '.',
- value & 0x20 ? '*' : '.',
- value & 0x10 ? '*' : '.',
- value & 0x08 ? '*' : '.',
- value & 0x04 ? '*' : '.',
- value & 0x02 ? '*' : '.',
- value & 0x01 ? '*' : '.');
s->cfg1 = value;
+ for (size_t i = 0; i < ARRAY_SIZE(s->led); i++) {
+ led_set_state(s->led[i], extract32(value, i, 1));
+ }
break;
case A_CFGDATA_OUT:
s->cfgdata_out = value;
@@ -236,6 +230,9 @@ static void mps2_scc_reset(DeviceState *dev)
for (i = 0; i < NUM_OSCCLK; i++) {
s->oscclk[i] = s->oscclk_reset[i];
}
+ for (i = 0; i < ARRAY_SIZE(s->led); i++) {
+ device_cold_reset(DEVICE(s->led[i]));
+ }
}
static void mps2_scc_init(Object *obj)
@@ -249,6 +246,14 @@ static void mps2_scc_init(Object *obj)
static void mps2_scc_realize(DeviceState *dev, Error **errp)
{
+ MPS2SCC *s = MPS2_SCC(dev);
+
+ for (size_t i = 0; i < ARRAY_SIZE(s->led); i++) {
+ char *name = g_strdup_printf("SCC LED%zu", i);
+ s->led[i] = led_create_simple(OBJECT(dev), GPIO_POLARITY_ACTIVE_HIGH,
+ LED_COLOR_GREEN, name);
+ g_free(name);
+ }
}
static const VMStateDescription mps2_scc_vmstate = {