Signed-off-by: Fabien Chouteau<address@hidden>
---
hw/grlib_irqmp.c | 416
++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 416 insertions(+), 0 deletions(-)
diff --git a/hw/grlib_irqmp.c b/hw/grlib_irqmp.c
new file mode 100644
index 0000000..69e1553
--- /dev/null
+++ b/hw/grlib_irqmp.c
@@ -0,0 +1,416 @@
+/*
+ * QEMU GRLIB IRQMP Emulator
+ *
+ * (Multiprocessor and extended interrupt not supported)
+ *
+ * Copyright (c) 2010 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.
+ */
+
+#include "sysbus.h"
+#include "cpu.h"
+
+#include "grlib.h"
+
+/* #define DEBUG_IRQ */
+
+#ifdef DEBUG_IRQ
+#define DPRINTF(fmt, ...) \
+ do { printf("IRQMP: " fmt , ## __VA_ARGS__); } while (0)
+#else
+#define DPRINTF(fmt, ...)
+#endif
+
+#define IRQMP_MAX_CPU 16
+#define IRQMP_REG_SIZE 256 /* Size of memory mapped registers */
+
+/* Memory mapped register offsets */
+#define LEVEL_OFFSET 0x00
+#define PENDING_OFFSET 0x04
+#define FORCE0_OFFSET 0x08
+#define CLEAR_OFFSET 0x0C
+#define MP_STATUS_OFFSET 0x10
+#define BROADCAST_OFFSET 0x14
+#define MASK_OFFSET 0x40
+#define FORCE_OFFSET 0x80
+#define EXTENDED_OFFSET 0xC0
+
+typedef struct IRQMP
+{
+ SysBusDevice busdev;
+
+ CPUSPARCState *env;