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diff --git a/include/asm-v850/sim.h b/include/asm-v850/sim.h
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+/*
+ * include/asm-v850/sim.h -- Machine-dependent defs for GDB v850e simulator
+ *
+ * Copyright (C) 2001,02,03 NEC Electronics Corporation
+ * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#ifndef __V850_SIM_H__
+#define __V850_SIM_H__
+
+
+#define CPU_ARCH "v850e"
+#define CPU_MODEL "v850e"
+#define CPU_MODEL_LONG "NEC V850E"
+#define PLATFORM "gdb/v850e"
+#define PLATFORM_LONG "GDB V850E simulator"
+
+
+/* We use a weird value for RAM, not just 0, for testing purposes.
+ These must match the values used in the linker script. */
+#define RAM_ADDR 0x8F000000
+#define RAM_SIZE 0x03000000
+
+
+/* For <asm/page.h> */
+#define PAGE_OFFSET RAM_ADDR
+
+
+/* For <asm/entry.h> */
+/* `R0 RAM', used for a few miscellaneous variables that must be
+ accessible using a load instruction relative to R0. On real
+ processors, this usually is on-chip RAM, but here we just
+ choose an arbitrary address that meets the above constraint. */
+#define R0_RAM_ADDR 0xFFFFF000
+
+
+/* For <asm/param.h> */
+#ifndef HZ
+#define HZ 24 /* Minimum supported frequency. */
+#endif
+
+/* For <asm/irq.h> */
+#define NUM_CPU_IRQS 6
+
+
+#endif /* __V850_SIM_H__ */