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-rw-r--r--hw/xtensa/xtensa_memory.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/hw/xtensa/xtensa_memory.c b/hw/xtensa/xtensa_memory.c
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+++ b/hw/xtensa/xtensa_memory.c
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+/*
+ * Copyright (c) 2017, 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 "qemu/osdep.h"
+#include "qapi/error.h"
+#include "exec/memory.h"
+#include "qemu/error-report.h"
+#include "xtensa_memory.h"
+
+void xtensa_create_memory_regions(const XtensaMemory *memory,
+ const char *name,
+ MemoryRegion *super)
+{
+ unsigned i;
+ GString *num_name = g_string_new(NULL);
+
+ for (i = 0; i < memory->num; ++i) {
+ MemoryRegion *m;
+
+ g_string_printf(num_name, "%s%u", name, i);
+ m = g_new(MemoryRegion, 1);
+ memory_region_init_ram(m, NULL, num_name->str,
+ memory->location[i].size, &error_fatal);
+ memory_region_add_subregion(super, memory->location[i].addr, m);
+ }
+ g_string_free(num_name, true);
+}