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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 = {