+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <malloc.h>
#include <errno.h>
+#define ANDROID_IMAGE_DEFAULT_KERNEL_ADDR 0x10008000
+
static char andr_tmp_str[ANDR_BOOT_ARGS_SIZE + 1];
+static ulong android_image_get_kernel_addr(const struct andr_img_hdr *hdr)
+{
+ /*
+ * All the Android tools that generate a boot.img use this
+ * address as the default.
+ *
+ * Even though it doesn't really make a lot of sense, and it
+ * might be valid on some platforms, we treat that adress as
+ * the default value for this field, and try to execute the
+ * kernel in place in such a case.
+ *
+ * Otherwise, we will return the actual value set by the user.
+ */
+ if (hdr->kernel_addr == ANDROID_IMAGE_DEFAULT_KERNEL_ADDR)
+ return (ulong)hdr + hdr->page_size;
+
+ return hdr->kernel_addr;
+}
+
/**
* android_image_get_kernel() - processes kernel part of Android boot images
* @hdr: Pointer to image header, which is at the start
int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify,
ulong *os_data, ulong *os_len)
{
+ u32 kernel_addr = android_image_get_kernel_addr(hdr);
+
/*
* Not all Android tools use the id field for signing the image with
* sha1 (or anything) so we don't check it. It is not obvious that the
printf("Android's image name: %s\n", andr_tmp_str);
printf("Kernel load addr 0x%08x size %u KiB\n",
- hdr->kernel_addr, DIV_ROUND_UP(hdr->kernel_size, 1024));
+ kernel_addr, DIV_ROUND_UP(hdr->kernel_size, 1024));
int len = 0;
if (*hdr->cmdline) {
len += strlen(hdr->cmdline);
}
- char *bootargs = getenv("bootargs");
+ char *bootargs = env_get("bootargs");
if (bootargs)
len += strlen(bootargs);
if (*hdr->cmdline)
strcat(newbootargs, hdr->cmdline);
- setenv("bootargs", newbootargs);
+ env_set("bootargs", newbootargs);
if (os_data) {
*os_data = (ulong)hdr;
ulong android_image_get_kload(const struct andr_img_hdr *hdr)
{
- return hdr->kernel_addr;
+ return android_image_get_kernel_addr(hdr);
}
int android_image_get_ramdisk(const struct andr_img_hdr *hdr,
ulong *rd_data, ulong *rd_len)
{
- if (!hdr->ramdisk_size)
+ if (!hdr->ramdisk_size) {
+ *rd_data = *rd_len = 0;
return -1;
+ }
printf("RAM disk load addr 0x%08x size %u KiB\n",
hdr->ramdisk_addr, DIV_ROUND_UP(hdr->ramdisk_size, 1024));
*rd_len = hdr->ramdisk_size;
return 0;
}
+
+int android_image_get_second(const struct andr_img_hdr *hdr,
+ ulong *second_data, ulong *second_len)
+{
+ if (!hdr->second_size) {
+ *second_data = *second_len = 0;
+ return -1;
+ }
+
+ *second_data = (unsigned long)hdr;
+ *second_data += hdr->page_size;
+ *second_data += ALIGN(hdr->kernel_size, hdr->page_size);
+ *second_data += ALIGN(hdr->ramdisk_size, hdr->page_size);
+
+ printf("second address is 0x%lx\n",*second_data);
+
+ *second_len = hdr->second_size;
+ return 0;
+}
+
+#if !defined(CONFIG_SPL_BUILD)
+/**
+ * android_print_contents - prints out the contents of the Android format image
+ * @hdr: pointer to the Android format image header
+ *
+ * android_print_contents() formats a multi line Android image contents
+ * description.
+ * The routine prints out Android image properties
+ *
+ * returns:
+ * no returned results
+ */
+void android_print_contents(const struct andr_img_hdr *hdr)
+{
+ const char * const p = IMAGE_INDENT_STRING;
+ /* os_version = ver << 11 | lvl */
+ u32 os_ver = hdr->os_version >> 11;
+ u32 os_lvl = hdr->os_version & ((1U << 11) - 1);
+
+ printf("%skernel size: %x\n", p, hdr->kernel_size);
+ printf("%skernel address: %x\n", p, hdr->kernel_addr);
+ printf("%sramdisk size: %x\n", p, hdr->ramdisk_size);
+ printf("%sramdisk addrress: %x\n", p, hdr->ramdisk_addr);
+ printf("%ssecond size: %x\n", p, hdr->second_size);
+ printf("%ssecond address: %x\n", p, hdr->second_addr);
+ printf("%stags address: %x\n", p, hdr->tags_addr);
+ printf("%spage size: %x\n", p, hdr->page_size);
+ /* ver = A << 14 | B << 7 | C (7 bits for each of A, B, C)
+ * lvl = ((Y - 2000) & 127) << 4 | M (7 bits for Y, 4 bits for M) */
+ printf("%sos_version: %x (ver: %u.%u.%u, level: %u.%u)\n",
+ p, hdr->os_version,
+ (os_ver >> 7) & 0x7F, (os_ver >> 14) & 0x7F, os_ver & 0x7F,
+ (os_lvl >> 4) + 2000, os_lvl & 0x0F);
+ printf("%sname: %s\n", p, hdr->name);
+ printf("%scmdline: %s\n", p, hdr->cmdline);
+}
+#endif