1 files changed, 120 insertions, 0 deletions
diff --git a/src/include/hw/sparc/grlib.h b/src/include/hw/sparc/grlib.h
new file mode 100644
index 0000000..9a0db7b
--- /dev/null
+++ b/src/include/hw/sparc/grlib.h
@@ -0,0 +1,120 @@
+/*
+ * QEMU GRLIB Components
+ *
+ * Copyright (c) 2010-2011 AdaCore
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef _GRLIB_H_
+#define _GRLIB_H_
+
+#include "hw/qdev.h"
+#include "hw/sysbus.h"
+
+/* Emulation of GrLib device is base on the GRLIB IP Core User's Manual:
+ * http://www.gaisler.com/products/grlib/grip.pdf
+ */
+
+/* IRQMP */
+
+typedef void (*set_pil_in_fn) (void *opaque, uint32_t pil_in);
+
+void grlib_irqmp_set_irq(void *opaque, int irq, int level);
+
+void grlib_irqmp_ack(DeviceState *dev, int intno);
+
+static inline
+DeviceState *grlib_irqmp_create(hwaddr   base,
+                                CPUSPARCState            *env,
+                                qemu_irq           **cpu_irqs,
+                                uint32_t             nr_irqs,
+                                set_pil_in_fn        set_pil_in)
+{
+    DeviceState *dev;
+
+    assert(cpu_irqs != NULL);
+
+    dev = qdev_create(NULL, "grlib,irqmp");
+    qdev_prop_set_ptr(dev, "set_pil_in", set_pil_in);
+    qdev_prop_set_ptr(dev, "set_pil_in_opaque", env);
+
+    qdev_init_nofail(dev);
+
+    env->irq_manager = dev;
+
+    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
+
+    *cpu_irqs = qemu_allocate_irqs(grlib_irqmp_set_irq,
+                                   dev,
+                                   nr_irqs);
+
+    return dev;
+}
+
+/* GPTimer */
+
+static inline
+DeviceState *grlib_gptimer_create(hwaddr  base,
+                                  uint32_t            nr_timers,
+                                  uint32_t            freq,
+                                  qemu_irq           *cpu_irqs,
+                                  int                 base_irq)
+{
+    DeviceState *dev;
+    int i;
+
+    dev = qdev_create(NULL, "grlib,gptimer");
+    qdev_prop_set_uint32(dev, "nr-timers", nr_timers);
+    qdev_prop_set_uint32(dev, "frequency", freq);
+    qdev_prop_set_uint32(dev, "irq-line", base_irq);
+
+    qdev_init_nofail(dev);
+
+    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
+
+    for (i = 0; i < nr_timers; i++) {
+        sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, cpu_irqs[base_irq + i]);
+    }
+
+    return dev;
+}
+
+/* APB UART */
+
+static inline
+DeviceState *grlib_apbuart_create(hwaddr  base,
+                                  CharDriverState    *serial,
+                                  qemu_irq            irq)
+{
+    DeviceState *dev;
+
+    dev = qdev_create(NULL, "grlib,apbuart");
+    qdev_prop_set_chr(dev, "chrdev", serial);
+
+    qdev_init_nofail(dev);
+
+    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
+
+    sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq);
+
+    return dev;
+}
+
+#endif /* ! _GRLIB_H_ */