1 files changed, 79 insertions, 0 deletions
diff --git a/libboot/flash.c b/libboot/flash.c
new file mode 100644
index 0000000..f1503dc
--- /dev/null
+++ b/libboot/flash.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * 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.
+ *
+ * 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
+ * COPYRIGHT OWNER OR CONTRIBUTORS 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 <boot/boot.h>
+#include <boot/flash.h>
+
+#define MAX_PTN 16
+
+static ptentry ptable[MAX_PTN];
+static unsigned pcount = 0;
+
+void flash_add_ptn(ptentry *ptn)
+{
+    if(pcount < MAX_PTN){
+        memcpy(ptable + pcount, ptn, sizeof(*ptn));
+        pcount++;
+    }
+}
+
+void flash_dump_ptn(void)
+{
+    unsigned n;
+    for(n = 0; n < pcount; n++) {
+        ptentry *ptn = ptable + n;
+        dprintf("ptn %d name='%s' start=%d len=%d\n",
+                n, ptn->name, ptn->start, ptn->length);
+    }
+}
+
+
+ptentry *flash_find_ptn(const char *name)
+{
+    unsigned n;
+    for(n = 0; n < pcount; n++) {
+        if(!strcmp(ptable[n].name, name)) {
+            return ptable + n;
+        }
+    }
+    return 0;
+}
+
+ptentry *flash_get_ptn(unsigned n)
+{
+    if(n < pcount) {
+        return ptable + n;
+    } else {
+        return 0;
+    }
+}
+
+unsigned flash_get_ptn_count(void)
+{
+    return pcount;
+}