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[Qemu-devel] [PATCH v2 30/31] target-xtensa: add dc232b core and board


From: Max Filippov
Subject: [Qemu-devel] [PATCH v2 30/31] target-xtensa: add dc232b core and board
Date: Sun, 24 Jul 2011 21:11:08 +0400

This is Diamond 232L Standard Core Rev.B (LE).

Signed-off-by: Max Filippov <address@hidden>
---
 Makefile.target                   |    1 +
 hw/xtensa_dc232b.c                |  112 ++++++++++++++++
 target-xtensa/gdb-config-dc232b.c |  261 +++++++++++++++++++++++++++++++++++++
 target-xtensa/helper.c            |  167 +++++++++++++++++++++++
 4 files changed, 541 insertions(+), 0 deletions(-)
 create mode 100644 hw/xtensa_dc232b.c
 create mode 100644 target-xtensa/gdb-config-dc232b.c

diff --git a/Makefile.target b/Makefile.target
index 9afce5c..6400cd7 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -374,6 +374,7 @@ obj-alpha-y += vga.o cirrus_vga.o
 
 obj-xtensa-y += xtensa_pic.o
 obj-xtensa-y += xtensa_sample.o
+obj-xtensa-y += xtensa_dc232b.o
 obj-xtensa-y += xtensa-semi.o
 
 main.o: QEMU_CFLAGS+=$(GPROF_CFLAGS)
diff --git a/hw/xtensa_dc232b.c b/hw/xtensa_dc232b.c
new file mode 100644
index 0000000..9b0bac7
--- /dev/null
+++ b/hw/xtensa_dc232b.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2011, 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 "sysemu.h"
+#include "boards.h"
+#include "loader.h"
+#include "elf.h"
+
+static uint64_t translate_phys_addr(void *env, uint64_t addr)
+{
+    return cpu_get_phys_page_debug(env, addr);
+}
+
+static void dc232b_reset(void *env)
+{
+    cpu_reset(env);
+}
+
+static void dc232b_init(ram_addr_t ram_size,
+        const char *boot_device,
+        const char *kernel_filename, const char *kernel_cmdline,
+        const char *initrd_filename, const char *cpu_model)
+{
+    CPUState *env = NULL;
+    ram_addr_t ram_offset;
+    int n;
+
+    for (n = 0; n < smp_cpus; n++) {
+        env = cpu_init(cpu_model);
+        if (!env) {
+            fprintf(stderr, "Unable to find CPU definition\n");
+            exit(1);
+        }
+        env->sregs[PRID] = n;
+        qemu_register_reset(dc232b_reset, env);
+        /* Need MMU initialized prior to ELF loading,
+         * so that ELF gets loaded into virtual addresses
+         */
+        dc232b_reset(env);
+    }
+
+    ram_offset = qemu_ram_alloc(NULL, "xtensa.sram", ram_size);
+    cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
+
+    ram_offset = qemu_ram_alloc(NULL, "xtensa.rom", 0x1000);
+    cpu_register_physical_memory(0xfe000000, 0x1000, ram_offset | IO_MEM_RAM);
+
+    if (kernel_filename) {
+        uint64_t elf_entry;
+        uint64_t elf_lowaddr;
+#ifdef TARGET_WORDS_BIGENDIAN
+        int success = load_elf(kernel_filename, translate_phys_addr, env,
+                &elf_entry, &elf_lowaddr, NULL, 1, ELF_MACHINE, 0);
+#else
+        int success = load_elf(kernel_filename, translate_phys_addr, env,
+                &elf_entry, &elf_lowaddr, NULL, 0, ELF_MACHINE, 0);
+#endif
+        if (success > 0) {
+            env->pc = elf_entry;
+        }
+    }
+}
+
+static void xtensa_dc232b_init(ram_addr_t ram_size,
+                     const char *boot_device,
+                     const char *kernel_filename, const char *kernel_cmdline,
+                     const char *initrd_filename, const char *cpu_model)
+{
+    if (!cpu_model) {
+        cpu_model = "dc232b";
+    }
+    dc232b_init(ram_size, boot_device, kernel_filename, kernel_cmdline,
+            initrd_filename, cpu_model);
+}
+
+static QEMUMachine xtensa_dc232b_machine = {
+    .name = "dc232b",
+    .desc = "Diamond 232L Standard Core Rev.B (LE) (dc232b)",
+    .init = xtensa_dc232b_init,
+    .max_cpus = 4,
+};
+
+static void xtensa_dc232b_machine_init(void)
+{
+    qemu_register_machine(&xtensa_dc232b_machine);
+}
+
+machine_init(xtensa_dc232b_machine_init);
diff --git a/target-xtensa/gdb-config-dc232b.c 
b/target-xtensa/gdb-config-dc232b.c
new file mode 100644
index 0000000..13aba5e
--- /dev/null
+++ b/target-xtensa/gdb-config-dc232b.c
@@ -0,0 +1,261 @@
+/* Configuration for the Xtensa architecture for GDB, the GNU debugger.
+
+   Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+  XTREG(0,   0, 32, 4, 4, 0x0020, 0x0006, -2, 9, 0x0100, pc,
+          0, 0, 0, 0, 0, 0)
+  XTREG(1,   4, 32, 4, 4, 0x0100, 0x0006, -2, 1, 0x0002, ar0,
+          0, 0, 0, 0, 0, 0)
+  XTREG(2,   8, 32, 4, 4, 0x0101, 0x0006, -2, 1, 0x0002, ar1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(3,  12, 32, 4, 4, 0x0102, 0x0006, -2, 1, 0x0002, ar2,
+          0, 0, 0, 0, 0, 0)
+  XTREG(4,  16, 32, 4, 4, 0x0103, 0x0006, -2, 1, 0x0002, ar3,
+          0, 0, 0, 0, 0, 0)
+  XTREG(5,  20, 32, 4, 4, 0x0104, 0x0006, -2, 1, 0x0002, ar4,
+          0, 0, 0, 0, 0, 0)
+  XTREG(6,  24, 32, 4, 4, 0x0105, 0x0006, -2, 1, 0x0002, ar5,
+          0, 0, 0, 0, 0, 0)
+  XTREG(7,  28, 32, 4, 4, 0x0106, 0x0006, -2, 1, 0x0002, ar6,
+          0, 0, 0, 0, 0, 0)
+  XTREG(8,  32, 32, 4, 4, 0x0107, 0x0006, -2, 1, 0x0002, ar7,
+          0, 0, 0, 0, 0, 0)
+  XTREG(9,  36, 32, 4, 4, 0x0108, 0x0006, -2, 1, 0x0002, ar8,
+          0, 0, 0, 0, 0, 0)
+  XTREG(10,  40, 32, 4, 4, 0x0109, 0x0006, -2, 1, 0x0002, ar9,
+          0, 0, 0, 0, 0, 0)
+  XTREG(11,  44, 32, 4, 4, 0x010a, 0x0006, -2, 1, 0x0002, ar10,
+          0, 0, 0, 0, 0, 0)
+  XTREG(12,  48, 32, 4, 4, 0x010b, 0x0006, -2, 1, 0x0002, ar11,
+          0, 0, 0, 0, 0, 0)
+  XTREG(13,  52, 32, 4, 4, 0x010c, 0x0006, -2, 1, 0x0002, ar12,
+          0, 0, 0, 0, 0, 0)
+  XTREG(14,  56, 32, 4, 4, 0x010d, 0x0006, -2, 1, 0x0002, ar13,
+          0, 0, 0, 0, 0, 0)
+  XTREG(15,  60, 32, 4, 4, 0x010e, 0x0006, -2, 1, 0x0002, ar14,
+          0, 0, 0, 0, 0, 0)
+  XTREG(16,  64, 32, 4, 4, 0x010f, 0x0006, -2, 1, 0x0002, ar15,
+          0, 0, 0, 0, 0, 0)
+  XTREG(17,  68, 32, 4, 4, 0x0110, 0x0006, -2, 1, 0x0002, ar16,
+          0, 0, 0, 0, 0, 0)
+  XTREG(18,  72, 32, 4, 4, 0x0111, 0x0006, -2, 1, 0x0002, ar17,
+          0, 0, 0, 0, 0, 0)
+  XTREG(19,  76, 32, 4, 4, 0x0112, 0x0006, -2, 1, 0x0002, ar18,
+          0, 0, 0, 0, 0, 0)
+  XTREG(20,  80, 32, 4, 4, 0x0113, 0x0006, -2, 1, 0x0002, ar19,
+          0, 0, 0, 0, 0, 0)
+  XTREG(21,  84, 32, 4, 4, 0x0114, 0x0006, -2, 1, 0x0002, ar20,
+          0, 0, 0, 0, 0, 0)
+  XTREG(22,  88, 32, 4, 4, 0x0115, 0x0006, -2, 1, 0x0002, ar21,
+          0, 0, 0, 0, 0, 0)
+  XTREG(23,  92, 32, 4, 4, 0x0116, 0x0006, -2, 1, 0x0002, ar22,
+          0, 0, 0, 0, 0, 0)
+  XTREG(24,  96, 32, 4, 4, 0x0117, 0x0006, -2, 1, 0x0002, ar23,
+          0, 0, 0, 0, 0, 0)
+  XTREG(25, 100, 32, 4, 4, 0x0118, 0x0006, -2, 1, 0x0002, ar24,
+          0, 0, 0, 0, 0, 0)
+  XTREG(26, 104, 32, 4, 4, 0x0119, 0x0006, -2, 1, 0x0002, ar25,
+          0, 0, 0, 0, 0, 0)
+  XTREG(27, 108, 32, 4, 4, 0x011a, 0x0006, -2, 1, 0x0002, ar26,
+          0, 0, 0, 0, 0, 0)
+  XTREG(28, 112, 32, 4, 4, 0x011b, 0x0006, -2, 1, 0x0002, ar27,
+          0, 0, 0, 0, 0, 0)
+  XTREG(29, 116, 32, 4, 4, 0x011c, 0x0006, -2, 1, 0x0002, ar28,
+          0, 0, 0, 0, 0, 0)
+  XTREG(30, 120, 32, 4, 4, 0x011d, 0x0006, -2, 1, 0x0002, ar29,
+          0, 0, 0, 0, 0, 0)
+  XTREG(31, 124, 32, 4, 4, 0x011e, 0x0006, -2, 1, 0x0002, ar30,
+          0, 0, 0, 0, 0, 0)
+  XTREG(32, 128, 32, 4, 4, 0x011f, 0x0006, -2, 1, 0x0002, ar31,
+          0, 0, 0, 0, 0, 0)
+  XTREG(33, 132, 32, 4, 4, 0x0200, 0x0006, -2, 2, 0x1100, lbeg,
+          0, 0, 0, 0, 0, 0)
+  XTREG(34, 136, 32, 4, 4, 0x0201, 0x0006, -2, 2, 0x1100, lend,
+          0, 0, 0, 0, 0, 0)
+  XTREG(35, 140, 32, 4, 4, 0x0202, 0x0006, -2, 2, 0x1100, lcount,
+          0, 0, 0, 0, 0, 0)
+  XTREG(36, 144,  6, 4, 4, 0x0203, 0x0006, -2, 2, 0x1100, sar,
+          0, 0, 0, 0, 0, 0)
+  XTREG(37, 148, 32, 4, 4, 0x0205, 0x0006, -2, 2, 0x1100, litbase,
+          0, 0, 0, 0, 0, 0)
+  XTREG(38, 152,  3, 4, 4, 0x0248, 0x0006, -2, 2, 0x1002, windowbase,
+          0, 0, 0, 0, 0, 0)
+  XTREG(39, 156,  8, 4, 4, 0x0249, 0x0006, -2, 2, 0x1002, windowstart,
+          0, 0, 0, 0, 0, 0)
+  XTREG(40, 160, 32, 4, 4, 0x02b0, 0x0002, -2, 2, 0x1000, sr176,
+          0, 0, 0, 0, 0, 0)
+  XTREG(41, 164, 32, 4, 4, 0x02d0, 0x0002, -2, 2, 0x1000, sr208,
+          0, 0, 0, 0, 0, 0)
+  XTREG(42, 168, 19, 4, 4, 0x02e6, 0x0006, -2, 2, 0x1100, ps,
+          0, 0, 0, 0, 0, 0)
+  XTREG(43, 172, 32, 4, 4, 0x03e7, 0x0006, -2, 3, 0x0110, threadptr,
+          0, 0, 0, 0, 0, 0)
+  XTREG(44, 176, 32, 4, 4, 0x020c, 0x0006, -1, 2, 0x1100, scompare1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(45, 180, 32, 4, 4, 0x0210, 0x0006, -1, 2, 0x1100, acclo,
+          0, 0, 0, 0, 0, 0)
+  XTREG(46, 184,  8, 4, 4, 0x0211, 0x0006, -1, 2, 0x1100, acchi,
+          0, 0, 0, 0, 0, 0)
+  XTREG(47, 188, 32, 4, 4, 0x0220, 0x0006, -1, 2, 0x1100, m0,
+          0, 0, 0, 0, 0, 0)
+  XTREG(48, 192, 32, 4, 4, 0x0221, 0x0006, -1, 2, 0x1100, m1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(49, 196, 32, 4, 4, 0x0222, 0x0006, -1, 2, 0x1100, m2,
+          0, 0, 0, 0, 0, 0)
+  XTREG(50, 200, 32, 4, 4, 0x0223, 0x0006, -1, 2, 0x1100, m3,
+          0, 0, 0, 0, 0, 0)
+  XTREG(51, 204, 32, 4, 4, 0x03e6, 0x000e, -1, 3, 0x0110, expstate,
+          0, 0, 0, 0, 0, 0)
+  XTREG(52, 208, 32, 4, 4, 0x0253, 0x0007, -2, 2, 0x1000, ptevaddr,
+          0, 0, 0, 0, 0, 0)
+  XTREG(53, 212, 32, 4, 4, 0x0259, 0x000d, -2, 2, 0x1000, mmid,
+          0, 0, 0, 0, 0, 0)
+  XTREG(54, 216, 32, 4, 4, 0x025a, 0x0007, -2, 2, 0x1000, rasid,
+          0, 0, 0, 0, 0, 0)
+  XTREG(55, 220, 18, 4, 4, 0x025b, 0x0007, -2, 2, 0x1000, itlbcfg,
+          0, 0, 0, 0, 0, 0)
+  XTREG(56, 224, 18, 4, 4, 0x025c, 0x0007, -2, 2, 0x1000, dtlbcfg,
+          0, 0, 0, 0, 0, 0)
+  XTREG(57, 228,  2, 4, 4, 0x0260, 0x0007, -2, 2, 0x1000, ibreakenable,
+          0, 0, 0, 0, 0, 0)
+  XTREG(58, 232, 32, 4, 4, 0x0268, 0x0007, -2, 2, 0x1000, ddr,
+          0, 0, 0, 0, 0, 0)
+  XTREG(59, 236, 32, 4, 4, 0x0280, 0x0007, -2, 2, 0x1000, ibreaka0,
+          0, 0, 0, 0, 0, 0)
+  XTREG(60, 240, 32, 4, 4, 0x0281, 0x0007, -2, 2, 0x1000, ibreaka1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(61, 244, 32, 4, 4, 0x0290, 0x0007, -2, 2, 0x1000, dbreaka0,
+          0, 0, 0, 0, 0, 0)
+  XTREG(62, 248, 32, 4, 4, 0x0291, 0x0007, -2, 2, 0x1000, dbreaka1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(63, 252, 32, 4, 4, 0x02a0, 0x0007, -2, 2, 0x1000, dbreakc0,
+          0, 0, 0, 0, 0, 0)
+  XTREG(64, 256, 32, 4, 4, 0x02a1, 0x0007, -2, 2, 0x1000, dbreakc1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(65, 260, 32, 4, 4, 0x02b1, 0x0007, -2, 2, 0x1000, epc1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(66, 264, 32, 4, 4, 0x02b2, 0x0007, -2, 2, 0x1000, epc2,
+          0, 0, 0, 0, 0, 0)
+  XTREG(67, 268, 32, 4, 4, 0x02b3, 0x0007, -2, 2, 0x1000, epc3,
+          0, 0, 0, 0, 0, 0)
+  XTREG(68, 272, 32, 4, 4, 0x02b4, 0x0007, -2, 2, 0x1000, epc4,
+          0, 0, 0, 0, 0, 0)
+  XTREG(69, 276, 32, 4, 4, 0x02b5, 0x0007, -2, 2, 0x1000, epc5,
+          0, 0, 0, 0, 0, 0)
+  XTREG(70, 280, 32, 4, 4, 0x02b6, 0x0007, -2, 2, 0x1000, epc6,
+          0, 0, 0, 0, 0, 0)
+  XTREG(71, 284, 32, 4, 4, 0x02b7, 0x0007, -2, 2, 0x1000, epc7,
+          0, 0, 0, 0, 0, 0)
+  XTREG(72, 288, 32, 4, 4, 0x02c0, 0x0007, -2, 2, 0x1000, depc,
+          0, 0, 0, 0, 0, 0)
+  XTREG(73, 292, 19, 4, 4, 0x02c2, 0x0007, -2, 2, 0x1000, eps2,
+          0, 0, 0, 0, 0, 0)
+  XTREG(74, 296, 19, 4, 4, 0x02c3, 0x0007, -2, 2, 0x1000, eps3,
+          0, 0, 0, 0, 0, 0)
+  XTREG(75, 300, 19, 4, 4, 0x02c4, 0x0007, -2, 2, 0x1000, eps4,
+          0, 0, 0, 0, 0, 0)
+  XTREG(76, 304, 19, 4, 4, 0x02c5, 0x0007, -2, 2, 0x1000, eps5,
+          0, 0, 0, 0, 0, 0)
+  XTREG(77, 308, 19, 4, 4, 0x02c6, 0x0007, -2, 2, 0x1000, eps6,
+          0, 0, 0, 0, 0, 0)
+  XTREG(78, 312, 19, 4, 4, 0x02c7, 0x0007, -2, 2, 0x1000, eps7,
+          0, 0, 0, 0, 0, 0)
+  XTREG(79, 316, 32, 4, 4, 0x02d1, 0x0007, -2, 2, 0x1000, excsave1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(80, 320, 32, 4, 4, 0x02d2, 0x0007, -2, 2, 0x1000, excsave2,
+          0, 0, 0, 0, 0, 0)
+  XTREG(81, 324, 32, 4, 4, 0x02d3, 0x0007, -2, 2, 0x1000, excsave3,
+          0, 0, 0, 0, 0, 0)
+  XTREG(82, 328, 32, 4, 4, 0x02d4, 0x0007, -2, 2, 0x1000, excsave4,
+          0, 0, 0, 0, 0, 0)
+  XTREG(83, 332, 32, 4, 4, 0x02d5, 0x0007, -2, 2, 0x1000, excsave5,
+          0, 0, 0, 0, 0, 0)
+  XTREG(84, 336, 32, 4, 4, 0x02d6, 0x0007, -2, 2, 0x1000, excsave6,
+          0, 0, 0, 0, 0, 0)
+  XTREG(85, 340, 32, 4, 4, 0x02d7, 0x0007, -2, 2, 0x1000, excsave7,
+          0, 0, 0, 0, 0, 0)
+  XTREG(86, 344,  8, 4, 4, 0x02e0, 0x0007, -2, 2, 0x1000, cpenable,
+          0, 0, 0, 0, 0, 0)
+  XTREG(87, 348, 22, 4, 4, 0x02e2, 0x000b, -2, 2, 0x1000, interrupt,
+          0, 0, 0, 0, 0, 0)
+  XTREG(88, 352, 22, 4, 4, 0x02e2, 0x000d, -2, 2, 0x1000, intset,
+          0, 0, 0, 0, 0, 0)
+  XTREG(89, 356, 22, 4, 4, 0x02e3, 0x000d, -2, 2, 0x1000, intclear,
+          0, 0, 0, 0, 0, 0)
+  XTREG(90, 360, 22, 4, 4, 0x02e4, 0x0007, -2, 2, 0x1000, intenable,
+          0, 0, 0, 0, 0, 0)
+  XTREG(91, 364, 32, 4, 4, 0x02e7, 0x0007, -2, 2, 0x1000, vecbase,
+          0, 0, 0, 0, 0, 0)
+  XTREG(92, 368,  6, 4, 4, 0x02e8, 0x0007, -2, 2, 0x1000, exccause,
+          0, 0, 0, 0, 0, 0)
+  XTREG(93, 372, 12, 4, 4, 0x02e9, 0x0003, -2, 2, 0x1000, debugcause,
+          0, 0, 0, 0, 0, 0)
+  XTREG(94, 376, 32, 4, 4, 0x02ea, 0x000f, -2, 2, 0x1000, ccount,
+          0, 0, 0, 0, 0, 0)
+  XTREG(95, 380, 32, 4, 4, 0x02eb, 0x0003, -2, 2, 0x1000, prid,
+          0, 0, 0, 0, 0, 0)
+  XTREG(96, 384, 32, 4, 4, 0x02ec, 0x000f, -2, 2, 0x1000, icount,
+          0, 0, 0, 0, 0, 0)
+  XTREG(97, 388,  4, 4, 4, 0x02ed, 0x0007, -2, 2, 0x1000, icountlevel,
+          0, 0, 0, 0, 0, 0)
+  XTREG(98, 392, 32, 4, 4, 0x02ee, 0x0007, -2, 2, 0x1000, excvaddr,
+          0, 0, 0, 0, 0, 0)
+  XTREG(99, 396, 32, 4, 4, 0x02f0, 0x000f, -2, 2, 0x1000, ccompare0,
+          0, 0, 0, 0, 0, 0)
+  XTREG(100, 400, 32, 4, 4, 0x02f1, 0x000f, -2, 2, 0x1000, ccompare1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(101, 404, 32, 4, 4, 0x02f2, 0x000f, -2, 2, 0x1000, ccompare2,
+          0, 0, 0, 0, 0, 0)
+  XTREG(102, 408, 32, 4, 4, 0x02f4, 0x0007, -2, 2, 0x1000, misc0,
+          0, 0, 0, 0, 0, 0)
+  XTREG(103, 412, 32, 4, 4, 0x02f5, 0x0007, -2, 2, 0x1000, misc1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(104, 416, 32, 4, 4, 0x0000, 0x0006, -2, 8, 0x0100, a0,
+          0, 0, 0, 0, 0, 0)
+  XTREG(105, 420, 32, 4, 4, 0x0001, 0x0006, -2, 8, 0x0100, a1,
+          0, 0, 0, 0, 0, 0)
+  XTREG(106, 424, 32, 4, 4, 0x0002, 0x0006, -2, 8, 0x0100, a2,
+          0, 0, 0, 0, 0, 0)
+  XTREG(107, 428, 32, 4, 4, 0x0003, 0x0006, -2, 8, 0x0100, a3,
+          0, 0, 0, 0, 0, 0)
+  XTREG(108, 432, 32, 4, 4, 0x0004, 0x0006, -2, 8, 0x0100, a4,
+          0, 0, 0, 0, 0, 0)
+  XTREG(109, 436, 32, 4, 4, 0x0005, 0x0006, -2, 8, 0x0100, a5,
+          0, 0, 0, 0, 0, 0)
+  XTREG(110, 440, 32, 4, 4, 0x0006, 0x0006, -2, 8, 0x0100, a6,
+          0, 0, 0, 0, 0, 0)
+  XTREG(111, 444, 32, 4, 4, 0x0007, 0x0006, -2, 8, 0x0100, a7,
+          0, 0, 0, 0, 0, 0)
+  XTREG(112, 448, 32, 4, 4, 0x0008, 0x0006, -2, 8, 0x0100, a8,
+          0, 0, 0, 0, 0, 0)
+  XTREG(113, 452, 32, 4, 4, 0x0009, 0x0006, -2, 8, 0x0100, a9,
+          0, 0, 0, 0, 0, 0)
+  XTREG(114, 456, 32, 4, 4, 0x000a, 0x0006, -2, 8, 0x0100, a10,
+          0, 0, 0, 0, 0, 0)
+  XTREG(115, 460, 32, 4, 4, 0x000b, 0x0006, -2, 8, 0x0100, a11,
+          0, 0, 0, 0, 0, 0)
+  XTREG(116, 464, 32, 4, 4, 0x000c, 0x0006, -2, 8, 0x0100, a12,
+          0, 0, 0, 0, 0, 0)
+  XTREG(117, 468, 32, 4, 4, 0x000d, 0x0006, -2, 8, 0x0100, a13,
+          0, 0, 0, 0, 0, 0)
+  XTREG(118, 472, 32, 4, 4, 0x000e, 0x0006, -2, 8, 0x0100, a14,
+          0, 0, 0, 0, 0, 0)
+  XTREG(119, 476, 32, 4, 4, 0x000f, 0x0006, -2, 8, 0x0100, a15,
+          0, 0, 0, 0, 0, 0)
diff --git a/target-xtensa/helper.c b/target-xtensa/helper.c
index f994161..504e54c 100644
--- a/target-xtensa/helper.c
+++ b/target-xtensa/helper.c
@@ -106,6 +106,173 @@ static const XtensaConfig core_config[] = {
             [0] = 0,
         },
         .clock_freq_khz = 912000,
+    }, {
+        .name = "dc232b",
+        .options = -1 ^
+            (XTENSA_OPTION_BIT(XTENSA_OPTION_HW_ALIGNMENT) |
+             XTENSA_OPTION_BIT(XTENSA_OPTION_REGION_PROTECTION) |
+             XTENSA_OPTION_BIT(XTENSA_OPTION_REGION_TRANSLATION)),
+        .gdb_regmap = {
+            .num_regs = 120,
+            .num_core_regs = 52,
+            .reg = {
+#include "gdb-config-dc232b.c"
+            }
+        },
+        .nareg = 32,
+        .ndepc = 1,
+        .excm_level = 3,
+        .vecbase = 0xd0000000,
+        .exception_vector = {
+            [EXC_RESET] = 0xfe000000,
+            [EXC_WINDOW_OVERFLOW4] = 0xd0000000,
+            [EXC_WINDOW_UNDERFLOW4] = 0xd0000040,
+            [EXC_WINDOW_OVERFLOW8] = 0xd0000080,
+            [EXC_WINDOW_UNDERFLOW8] = 0xd00000c0,
+            [EXC_WINDOW_OVERFLOW12] = 0xd0000100,
+            [EXC_WINDOW_UNDERFLOW12] = 0xd0000140,
+            [EXC_KERNEL] = 0xd0000300,
+            [EXC_USER] = 0xd0000340,
+            [EXC_DOUBLE] = 0xd00003c0,
+        },
+        .ninterrupt = 22,
+        .nlevel = 6,
+        .interrupt_vector = {
+            0,
+            0,
+            0xd0000180,
+            0xd00001c0,
+            0xd0000200,
+            0xd0000240,
+            0xd0000280,
+            0xd00002c0,
+        },
+        .level_mask = {
+            [1] = 0x3fffff,
+            [2] = 0x207f00,
+            [3] = 0x207e00,
+            [4] = 0x007000,
+            [5] = 0x005000,
+            [6] = 0x005000,
+            [7] = 0x004000,
+        },
+        .interrupt = {
+            [0] = {
+                .level = 1,
+                .inttype = INTTYPE_LEVEL,
+            },
+            [1] = {
+                .level = 1,
+                .inttype = INTTYPE_LEVEL,
+            },
+            [1] = {
+                .level = 1,
+                .inttype = INTTYPE_LEVEL,
+            },
+            [2] = {
+                .level = 1,
+                .inttype = INTTYPE_LEVEL,
+            },
+            [3] = {
+                .level = 1,
+                .inttype = INTTYPE_LEVEL,
+            },
+            [4] = {
+                .level = 1,
+                .inttype = INTTYPE_LEVEL,
+            },
+            [5] = {
+                .level = 1,
+                .inttype = INTTYPE_LEVEL,
+            },
+            [6] = {
+                .level = 1,
+                .inttype = INTTYPE_TIMER,
+            },
+            [7] = {
+                .level = 1,
+                .inttype = INTTYPE_SOFTWARE,
+            },
+            [8] = {
+                .level = 2,
+                .inttype = INTTYPE_LEVEL,
+            },
+            [9] = {
+                .level = 3,
+                .inttype = INTTYPE_LEVEL,
+            },
+            [10] = {
+                .level = 3,
+                .inttype = INTTYPE_TIMER,
+            },
+            [11] = {
+                .level = 3,
+                .inttype = INTTYPE_SOFTWARE,
+            },
+            [12] = {
+                .level = 4,
+                .inttype = INTTYPE_LEVEL,
+            },
+            [13] = {
+                .level = 5,
+                .inttype = INTTYPE_TIMER,
+            },
+            [14] = {
+                .level = 7,
+                .inttype = INTTYPE_NMI,
+            },
+            [15] = {
+                .level = 1,
+                .inttype = INTTYPE_EDGE,
+            },
+            [16] = {
+                .level = 1,
+                .inttype = INTTYPE_EDGE,
+            },
+            [17] = {
+                .level = 1,
+                .inttype = INTTYPE_EDGE,
+            },
+            [18] = {
+                .level = 1,
+                .inttype = INTTYPE_EDGE,
+            },
+            [19] = {
+                .level = 1,
+                .inttype = INTTYPE_EDGE,
+            },
+            [20] = {
+                .level = 1,
+                .inttype = INTTYPE_EDGE,
+            },
+            [21] = {
+                .level = 3,
+                .inttype = INTTYPE_EDGE,
+            },
+        },
+        .nccompare = 3,
+        .timerint = {
+            [0] = 6,
+            [1] = 10,
+            [2] = 13,
+        },
+        .clock_freq_khz = 912000,
+        .itlb = {
+            .nways = 7,
+            .way_size = {
+                4, 4, 4, 4, 4, 2, 2,
+            },
+            .varway56 = false,
+            .nrefillentries = 16,
+        },
+        .dtlb = {
+            .nways = 10,
+            .way_size = {
+                4, 4, 4, 4, 4, 2, 2, 1, 1, 1,
+            },
+            .varway56 = false,
+            .nrefillentries = 16,
+        },
     },
 };
 
-- 
1.7.3.4




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