target-xtensa: add dc233c core

This is Diamond 233L Standard Core Rev.C (LE), implemented through
linux/gdb overlay.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/target-xtensa/core-dc233c.c b/target-xtensa/core-dc233c.c
new file mode 100644
index 0000000000..d643f41d37
--- /dev/null
+++ b/target-xtensa/core-dc233c.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2012, Max Filippov, Open Source and Linux Lab.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Open Source and Linux Lab nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "cpu.h"
+#include "exec-all.h"
+#include "gdbstub.h"
+#include "qemu-common.h"
+#include "host-utils.h"
+
+#include "core-dc233c/core-isa.h"
+#include "overlay_tool.h"
+
+static const XtensaConfig dc233c = {
+    .name = "dc233c",
+    .options = XTENSA_OPTIONS,
+    .gdb_regmap = {
+        .num_regs = 121,
+        .num_core_regs = 52,
+        .reg = {
+#include "core-dc233c/gdb-config.c"
+        }
+    },
+    .nareg = XCHAL_NUM_AREGS,
+    .ndepc = 1,
+    EXCEPTIONS_SECTION,
+    INTERRUPTS_SECTION,
+    TLB_SECTION,
+    .clock_freq_khz = 10000,
+};
+
+REGISTER_CORE(dc233c)