Prepare for switching to libziparchive.

Bug: 19765860
Change-Id: I58249d28fbc4975428d0dcac5107d1994c35676c

1 files changed, 85 insertions, 0 deletions

diff --git a/fastboot/bootimg_utils.cpp b/fastboot/bootimg_utils.cpp
new file mode 100644
index 0000000..d8905a6
--- /dev/null
+++ b/fastboot/bootimg_utils.cpp
@@ -0,0 +1,85 @@
+/*
+ * 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 "bootimg_utils.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void bootimg_set_cmdline(boot_img_hdr *h, const char *cmdline)
+{
+    strcpy((char*) h->cmdline, cmdline);
+}
+
+boot_img_hdr *mkbootimg(void *kernel, unsigned kernel_size, unsigned kernel_offset,
+                        void *ramdisk, unsigned ramdisk_size, unsigned ramdisk_offset,
+                        void *second, unsigned second_size, unsigned second_offset,
+                        unsigned page_size, unsigned base, unsigned tags_offset,
+                        unsigned *bootimg_size)
+{
+    unsigned kernel_actual;
+    unsigned ramdisk_actual;
+    unsigned second_actual;
+    unsigned page_mask;
+
+    page_mask = page_size - 1;
+
+    kernel_actual = (kernel_size + page_mask) & (~page_mask);
+    ramdisk_actual = (ramdisk_size + page_mask) & (~page_mask);
+    second_actual = (second_size + page_mask) & (~page_mask);
+
+    *bootimg_size = page_size + kernel_actual + ramdisk_actual + second_actual;
+
+    boot_img_hdr* hdr = reinterpret_cast<boot_img_hdr*>(calloc(*bootimg_size, 1));
+    if (hdr == 0) {
+        return hdr;
+    }
+
+    memcpy(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE);
+
+    hdr->kernel_size =  kernel_size;
+    hdr->ramdisk_size = ramdisk_size;
+    hdr->second_size =  second_size;
+
+    hdr->kernel_addr =  base + kernel_offset;
+    hdr->ramdisk_addr = base + ramdisk_offset;
+    hdr->second_addr =  base + second_offset;
+    hdr->tags_addr =    base + tags_offset;
+
+    hdr->page_size =    page_size;
+
+
+    memcpy(hdr->magic + page_size,
+           kernel, kernel_size);
+    memcpy(hdr->magic + page_size + kernel_actual,
+           ramdisk, ramdisk_size);
+    memcpy(hdr->magic + page_size + kernel_actual + ramdisk_actual,
+           second, second_size);
+    return hdr;
+}