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rv1126-uboot/common/image-android.c

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/*
* Copyright (c) 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <image.h>
#include <android_image.h>
#include <android_bootloader.h>
#include <malloc.h>
#include <mapmem.h>
#include <errno.h>
#include <boot_rkimg.h>
#include <crypto.h>
#include <sysmem.h>
#include <u-boot/sha1.h>
#ifdef CONFIG_RKIMG_BOOTLOADER
#include <asm/arch/resource_img.h>
#endif
#ifdef CONFIG_RK_AVB_LIBAVB_USER
#include <android_avb/avb_slot_verify.h>
#include <android_avb/avb_ops_user.h>
#include <android_avb/rk_avb_ops_user.h>
#endif
#include <optee_include/OpteeClientInterface.h>
DECLARE_GLOBAL_DATA_PTR;
#define ANDROID_IMAGE_DEFAULT_KERNEL_ADDR 0x10008000
#define ANDROID_ARG_FDT_FILENAME "rk-kernel.dtb"
#define ANDROID_Q_VER 10
/* Defined by rockchip legacy mkboot tool(SDK version < 8.1) */
#define ANDROID_ROCKCHIP_LEGACY_PAGE_SIZE 0x4000
static char andr_tmp_str[ANDR_BOOT_ARGS_SIZE + 1];
static u32 android_kernel_comp_type = IH_COMP_NONE;
u32 android_image_major_version(void)
{
/* MSB 7-bits */
return gd->bd->bi_andr_version >> 25;
}
u32 android_bcb_msg_sector_offset(void)
{
/*
* Rockchip platforms defines BCB message at the 16KB offset of
* misc partition while the Google defines it at 0x0 offset.
*
* From Android-Q, the 0x0 offset is mandary on Google VTS, so that
* this is a compatibility according to android image 'os_version'.
*/
#ifdef CONFIG_RKIMG_BOOTLOADER
return (android_image_major_version() >= ANDROID_Q_VER) ? 0x0 : 0x20;
#else
return 0x0;
#endif
}
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 address 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;
#ifdef CONFIG_ARCH_ROCKCHIP
/*
* If kernel is compressed, kernel_addr is set as decompressed address
* after compressed being loaded to ram, so let's use it.
*/
if (android_kernel_comp_type != IH_COMP_NONE &&
android_kernel_comp_type != IH_COMP_ZIMAGE)
return hdr->kernel_addr;
/*
* Compatble with rockchip legacy packing with kernel/ramdisk/second
* address base from 0x60000000(SDK versiont < 8.1), these are invalid
* address, so we calc it by real size.
*/
return (ulong)hdr + hdr->page_size;
#else
return hdr->kernel_addr;
#endif
}
void android_image_set_comp(struct andr_img_hdr *hdr, u32 comp)
{
android_kernel_comp_type = comp;
}
u32 android_image_get_comp(const struct andr_img_hdr *hdr)
{
return android_kernel_comp_type;
}
int android_image_parse_kernel_comp(const struct andr_img_hdr *hdr)
{
ulong kaddr = android_image_get_kernel_addr(hdr);
return bootm_parse_comp((const unsigned char *)kaddr);
}
/**
* android_image_get_kernel() - processes kernel part of Android boot images
* @hdr: Pointer to image header, which is at the start
* of the image.
* @verify: Checksum verification flag. Currently unimplemented.
* @os_data: Pointer to a ulong variable, will hold os data start
* address.
* @os_len: Pointer to a ulong variable, will hold os data length.
*
* This function returns the os image's start address and length. Also,
* it appends the kernel command line to the bootargs env variable.
*
* Return: Zero, os start address and length on success,
* otherwise on failure.
*/
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
* string is null terminated so we take care of this.
*/
strncpy(andr_tmp_str, hdr->name, ANDR_BOOT_NAME_SIZE);
andr_tmp_str[ANDR_BOOT_NAME_SIZE] = '\0';
if (strlen(andr_tmp_str))
printf("Android's image name: %s\n", andr_tmp_str);
printf("Kernel load addr 0x%08x size %u KiB\n",
kernel_addr, DIV_ROUND_UP(hdr->kernel_size, 1024));
int len = 0;
if (*hdr->cmdline) {
debug("Kernel command line: %s\n", hdr->cmdline);
len += strlen(hdr->cmdline);
}
char *bootargs = env_get("bootargs");
if (bootargs)
len += strlen(bootargs);
char *newbootargs = malloc(len + 2);
if (!newbootargs) {
puts("Error: malloc in android_image_get_kernel failed!\n");
return -ENOMEM;
}
*newbootargs = '\0';
if (bootargs) {
strcpy(newbootargs, bootargs);
strcat(newbootargs, " ");
}
if (*hdr->cmdline)
strcat(newbootargs, hdr->cmdline);
env_set("bootargs", newbootargs);
if (os_data) {
*os_data = (ulong)hdr;
*os_data += hdr->page_size;
}
if (os_len)
*os_len = hdr->kernel_size;
return 0;
}
int android_image_check_header(const struct andr_img_hdr *hdr)
{
return memcmp(ANDR_BOOT_MAGIC, hdr->magic, ANDR_BOOT_MAGIC_SIZE);
}
ulong android_image_get_end(const struct andr_img_hdr *hdr)
{
ulong end;
/*
* The header takes a full page, the remaining components are aligned
* on page boundary
*/
end = (ulong)hdr;
end += hdr->page_size;
end += ALIGN(hdr->kernel_size, hdr->page_size);
end += ALIGN(hdr->ramdisk_size, hdr->page_size);
end += ALIGN(hdr->second_size, hdr->page_size);
if (hdr->header_version >= 1)
end += ALIGN(hdr->recovery_dtbo_size, hdr->page_size);
return end;
}
u32 android_image_get_ksize(const struct andr_img_hdr *hdr)
{
return hdr->kernel_size;
}
void android_image_set_kload(struct andr_img_hdr *hdr, u32 load_address)
{
hdr->kernel_addr = load_address;
}
ulong android_image_get_kload(const struct andr_img_hdr *hdr)
{
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) {
*rd_data = *rd_len = 0;
return -1;
}
/* We have load ramdisk at "ramdisk_addr_r" */
#ifdef CONFIG_ANDROID_BOOT_IMAGE_SEPARATE
ulong ramdisk_addr_r;
ramdisk_addr_r = env_get_ulong("ramdisk_addr_r", 16, 0);
if (!ramdisk_addr_r) {
printf("No Found Ramdisk Load Address.\n");
return -1;
}
*rd_data = ramdisk_addr_r;
#else
*rd_data = (unsigned long)hdr;
*rd_data += hdr->page_size;
*rd_data += ALIGN(hdr->kernel_size, hdr->page_size);
#endif
*rd_len = hdr->ramdisk_size;
printf("RAM disk load addr 0x%08lx size %u KiB\n",
*rd_data, DIV_ROUND_UP(hdr->ramdisk_size, 1024));
return 0;
}
int android_image_get_fdt(const struct andr_img_hdr *hdr,
ulong *rd_data)
{
if (!hdr->second_size) {
*rd_data = 0;
return -1;
}
/* We have load fdt at "fdt_addr_r" */
#if defined(CONFIG_USING_KERNEL_DTB) || \
defined(CONFIG_ANDROID_BOOT_IMAGE_SEPARATE)
ulong fdt_addr_r;
fdt_addr_r = env_get_ulong("fdt_addr_r", 16, 0);
if (!fdt_addr_r) {
printf("No Found FDT Load Address.\n");
return -1;
}
*rd_data = fdt_addr_r;
#else
*rd_data = (unsigned long)hdr;
*rd_data += hdr->page_size;
*rd_data += ALIGN(hdr->kernel_size, hdr->page_size);
*rd_data += ALIGN(hdr->ramdisk_size, hdr->page_size);
#endif
debug("FDT load addr 0x%08x size %u KiB\n",
hdr->second_addr, DIV_ROUND_UP(hdr->second_size, 1024));
return 0;
}
#ifdef CONFIG_ANDROID_BOOT_IMAGE_HASH
static void print_hash(const char *label, u8 *hash, int len)
{
int i;
printf("%s:\n 0x", label ? : "Hash");
for (i = 0; i < len; i++)
printf("%02x", hash[i]);
printf("\n");
}
/*
* This is only for Non-AVB image, because AVB image is verified by AVB bootflow.
* The kernel/ramdisk/second address should be the real address in hdr before
* calling this function.
*
* mkbootimg tool always use SHA1 for images.
*/
static int android_image_hash_verify(struct andr_img_hdr *hdr)
{
u8 hash[20];
#ifdef DEBUG
android_print_contents(hdr);
#endif
if (hdr->kernel_addr == ANDROID_IMAGE_DEFAULT_KERNEL_ADDR) {
printf("No real image address in android hdr\n");
return -EINVAL;
}
#ifdef CONFIG_DM_CRYPTO
struct udevice *dev;
sha_context ctx;
dev = crypto_get_device(CRYPTO_SHA1);
if (!dev) {
printf("Can't find crypto device for SHA1 capability\n");
return -ENODEV;
}
ctx.algo = CRYPTO_SHA1;
ctx.length = hdr->kernel_size + sizeof(hdr->kernel_size) +
hdr->ramdisk_size + sizeof(hdr->ramdisk_size) +
hdr->second_size + sizeof(hdr->second_size);
#ifdef CONFIG_HASH_ROCKCHIP_LEGACY
ctx.length += sizeof(hdr->tags_addr) + sizeof(hdr->page_size) +
sizeof(hdr->unused) + sizeof(hdr->name) +
sizeof(hdr->cmdline);
#endif
crypto_sha_init(dev, &ctx);
crypto_sha_update(dev, (u32 *)(ulong)hdr->kernel_addr,
hdr->kernel_size);
crypto_sha_update(dev, (u32 *)&hdr->kernel_size,
sizeof(hdr->kernel_size));
crypto_sha_update(dev, (u32 *)(ulong)hdr->ramdisk_addr,
hdr->ramdisk_size);
crypto_sha_update(dev, (u32 *)&hdr->ramdisk_size,
sizeof(hdr->ramdisk_size));
crypto_sha_update(dev, (u32 *)(ulong)hdr->second_addr,
hdr->second_size);
crypto_sha_update(dev, (u32 *)&hdr->second_size,
sizeof(hdr->second_size));
#ifdef CONFIG_HASH_ROCKCHIP_LEGACY
crypto_sha_update(dev, (u32 *)&hdr->tags_addr, sizeof(hdr->tags_addr));
crypto_sha_update(dev, (u32 *)&hdr->page_size, sizeof(hdr->page_size));
crypto_sha_update(dev, (u32 *)&hdr->header_version,
sizeof(hdr->header_version));
crypto_sha_update(dev, (u32 *)&hdr->os_version, sizeof(hdr->os_version));
crypto_sha_update(dev, (u32 *)&hdr->name, sizeof(hdr->name));
crypto_sha_update(dev, (u32 *)&hdr->cmdline, sizeof(hdr->cmdline));
#endif
crypto_sha_final(dev, &ctx, hash);
#elif CONFIG_SHA1
sha1_context ctx;
sha1_starts(&ctx);
sha1_update(&ctx, (u8 *)(ulong)hdr->kernel_addr, hdr->kernel_size);
sha1_update(&ctx, (u8 *)&hdr->kernel_size, sizeof(hdr->kernel_size));
sha1_update(&ctx, (u8 *)(ulong)hdr->ramdisk_addr, hdr->ramdisk_size);
sha1_update(&ctx, (u8 *)&hdr->ramdisk_size, sizeof(hdr->ramdisk_size));
sha1_update(&ctx, (u8 *)(ulong)hdr->second_addr, hdr->second_size);
sha1_update(&ctx, (u8 *)&hdr->second_size, sizeof(hdr->second_size));
#ifdef CONFIG_HASH_ROCKCHIP_LEGACY
sha1_update(&ctx, (u8 *)&hdr->tags_addr, sizeof(hdr->tags_addr));
sha1_update(&ctx, (u8 *)&hdr->page_size, sizeof(hdr->page_size));
sha1_update(&ctx, (u8 *)&hdr->header_version,
sizeof(hdr->header_version));
sha1_update(&ctx, (u8 *)&hdr->os_version, sizeof(hdr->os_version));
sha1_update(&ctx, (u8 *)&hdr->name, sizeof(hdr->name));
sha1_update(&ctx, (u8 *)&hdr->cmdline, sizeof(hdr->cmdline));
#endif
sha1_finish(&ctx, hash);
#endif /* CONFIG_SHA1 */
if (memcmp(hash, hdr->id, 20)) {
print_hash("SHA1 from image header", (u8 *)hdr->id, 20);
print_hash("SHA1 real", (u8 *)hash, 20);
return -EBADFD;
}
return 0;
}
#endif
#ifdef CONFIG_ANDROID_BOOT_IMAGE_SEPARATE
int android_image_load_separate(struct andr_img_hdr *hdr,
const disk_partition_t *part,
void *load_address, void *ram_src)
{
struct blk_desc *dev_desc = rockchip_get_bootdev();
ulong ramdisk_addr_r = env_get_ulong("ramdisk_addr_r", 16, 0);
ulong kernel_addr_r = env_get_ulong("kernel_addr_r", 16, 0);
char *fdt_high = env_get("fdt_high");
char *ramdisk_high = env_get("initrd_high");
ulong blk_start, blk_cnt, size;
ulong start, second_addr_r = 0;
int ret, blk_read = 0;
if (android_image_check_header(hdr)) {
printf("Bad android image header\n");
return -EINVAL;
}
if (hdr->kernel_size) {
size = hdr->kernel_size + hdr->page_size;
blk_cnt = DIV_ROUND_UP(size, dev_desc->blksz);
if (!sysmem_alloc_base(MEMBLK_ID_KERNEL,
(phys_addr_t)load_address,
blk_cnt * dev_desc->blksz))
return -ENXIO;
if (ram_src) {
start = (ulong)ram_src;
memcpy((char *)load_address, (char *)start, size);
} else {
blk_start = part->start;
ret = blk_dread(dev_desc, blk_start,
blk_cnt, load_address);
if (ret != blk_cnt) {
printf("%s: read kernel failed, ret=%d\n",
__func__, ret);
return -1;
}
blk_read += ret;
}
}
if (hdr->ramdisk_size) {
size = hdr->page_size + ALIGN(hdr->kernel_size, hdr->page_size);
blk_cnt = DIV_ROUND_UP(hdr->ramdisk_size, dev_desc->blksz);
if (!sysmem_alloc_base(MEMBLK_ID_RAMDISK,
ramdisk_addr_r,
blk_cnt * dev_desc->blksz))
return -ENXIO;
if (ram_src) {
start = (unsigned long)ram_src;
start += hdr->page_size;
start += ALIGN(hdr->kernel_size, hdr->page_size);
memcpy((char *)ramdisk_addr_r,
(char *)start, hdr->ramdisk_size);
} else {
blk_start = part->start +
DIV_ROUND_UP(size, dev_desc->blksz);
ret = blk_dread(dev_desc, blk_start,
blk_cnt, (void *)ramdisk_addr_r);
if (ret != blk_cnt) {
printf("%s: read ramdisk failed, ret=%d\n",
__func__, ret);
return -1;
}
blk_read += ret;
}
}
/*
* Load dtb file by rockchip_read_dtb_file() which support pack
* dtb in second position or resource file.
*/
#ifdef CONFIG_RKIMG_BOOTLOADER
ulong fdt_addr_r = env_get_ulong("fdt_addr_r", 16, 0);
if (hdr->second_size && (gd->fdt_blob != (void *)fdt_addr_r)) {
ulong fdt_size;
fdt_size = rockchip_read_dtb_file((void *)fdt_addr_r);
if (fdt_size < 0) {
printf("%s: read fdt failed\n", __func__);
return ret;
}
blk_read += DIV_ROUND_UP(fdt_size, dev_desc->blksz);
}
#endif
#ifdef CONFIG_ANDROID_BOOT_IMAGE_HASH
if (hdr->second_size) {
ulong blk_start, blk_cnt;
/* Just for image data hash calculation */
second_addr_r = (ulong)malloc(hdr->second_size);
if (!second_addr_r)
return -ENOMEM;
size = hdr->page_size +
ALIGN(hdr->kernel_size, hdr->page_size) +
ALIGN(hdr->ramdisk_size, hdr->page_size);
blk_cnt = DIV_ROUND_UP(hdr->second_size, dev_desc->blksz);
if (ram_src) {
start = (unsigned long)ram_src;
start += hdr->page_size;
start += ALIGN(hdr->kernel_size, hdr->page_size);
start += ALIGN(hdr->ramdisk_size, hdr->page_size);
memcpy((char *)second_addr_r,
(char *)start, hdr->second_size);
} else {
blk_start = part->start +
DIV_ROUND_UP(size, dev_desc->blksz);
ret = blk_dread(dev_desc, blk_start, blk_cnt,
(void *)second_addr_r);
if (ret != blk_cnt) {
printf("%s: read second pos failed, ret=%d\n",
__func__, ret);
return -1;
}
blk_read += blk_cnt;
}
}
#endif
/* Update hdr with real image address */
hdr->kernel_addr = kernel_addr_r;
hdr->second_addr = second_addr_r;
hdr->ramdisk_addr = ramdisk_addr_r;
/*
* Since images are loaded separate, fdt/ramdisk relocation
* can be disabled, it saves boot time.
*/
if (blk_read > 0 || ram_src) {
if (!fdt_high) {
env_set_hex("fdt_high", -1UL);
printf("Fdt ");
}
if (!ramdisk_high) {
env_set_hex("initrd_high", -1UL);
printf("Ramdisk ");
}
if (!fdt_high || !ramdisk_high)
printf("skip relocation\n");
}
return blk_read;
}
int android_image_memcpy_separate(struct andr_img_hdr *hdr, void *load_address)
{
return android_image_load_separate(hdr, NULL, load_address, hdr);
}
#endif /* CONFIG_ANDROID_BOOT_IMAGE_SEPARATE */
long android_image_load(struct blk_desc *dev_desc,
const disk_partition_t *part_info,
unsigned long load_address,
unsigned long max_size) {
struct andr_img_hdr *hdr;
u32 blksz = dev_desc->blksz;
u32 pszcnt, hdrcnt, kercnt;
void *buf;
long blk_cnt = 0;
long blk_read = 0;
u32 comp;
u32 kload_addr;
if (max_size < part_info->blksz)
return -1;
/*
* read Android image header and leave enough space for page_size align
* and kernel image header(1 block maybe enough).
*
* ANDROID_ROCKCHIP_LEGACY_PAGE_SIZE is defined by rockchip legacy
* mkboot tool(SDK version < 8.1) and larger than Google defined.
*
* To compatible this, we malloc enough buffer but only read android
* header and kernel image(1 block) from storage(ignore page size).
*/
kercnt = 1;
hdrcnt = DIV_ROUND_UP(sizeof(*hdr), blksz);
pszcnt = DIV_ROUND_UP(ANDROID_ROCKCHIP_LEGACY_PAGE_SIZE, blksz);
hdr = memalign(ARCH_DMA_MINALIGN, (hdrcnt + pszcnt + kercnt) * blksz);
if (!hdr) {
printf("%s: no memory\n", __func__);
return -1;
}
if (blk_dread(dev_desc, part_info->start, hdrcnt, hdr) != hdrcnt)
blk_read = -1;
if (!blk_read && android_image_check_header(hdr) != 0) {
printf("** Invalid Android Image header **\n");
blk_read = -1;
}
/*
* Update and skip pszcnt(hdr is included) according to hdr->page_size,
* reading kernel image for compress validation.
*/
pszcnt = DIV_ROUND_UP(hdr->page_size, blksz);
if (blk_dread(dev_desc, part_info->start + pszcnt, kercnt,
(void *)((ulong)hdr + hdr->page_size)) != kercnt)
blk_read = -1;
/* page_size for image header */
load_address -= hdr->page_size;
/* We don't know the size of the Android image before reading the header
* so we don't limit the size of the mapped memory.
*/
buf = map_sysmem(load_address, 0 /* size */);
if (!blk_read) {
blk_cnt = (android_image_get_end(hdr) - (ulong)hdr +
part_info->blksz - 1) / part_info->blksz;
comp = android_image_parse_kernel_comp(hdr);
/*
* We should load compressed kernel Image to high memory at
* address "kernel_addr_c".
*/
if (comp != IH_COMP_NONE) {
ulong kernel_addr_c;
env_set_ulong("os_comp", comp);
kernel_addr_c = env_get_ulong("kernel_addr_c", 16, 0);
if (kernel_addr_c) {
load_address = kernel_addr_c - hdr->page_size;
unmap_sysmem(buf);
buf = map_sysmem(load_address, 0 /* size */);
}
#ifdef CONFIG_ARM64
else {
printf("Warn: \"kernel_addr_c\" is not defined "
"for compressed kernel Image!\n");
load_address += android_image_get_ksize(hdr) * 3;
load_address = ALIGN(load_address, ARCH_DMA_MINALIGN);
env_set_ulong("kernel_addr_c", load_address);
load_address -= hdr->page_size;
unmap_sysmem(buf);
buf = map_sysmem(load_address, 0 /* size */);
}
#endif
}
if (blk_cnt * part_info->blksz > max_size) {
debug("Android Image too big (%lu bytes, max %lu)\n",
android_image_get_end(hdr) - (ulong)hdr,
max_size);
blk_read = -1;
} else {
debug("Loading Android Image (%lu blocks) to 0x%lx... ",
blk_cnt, load_address);
#ifdef CONFIG_ANDROID_BOOT_IMAGE_SEPARATE
blk_read =
android_image_load_separate(hdr, part_info, buf, NULL);
#else
if (!sysmem_alloc_base(MEMBLK_ID_ANDROID,
(phys_addr_t)buf,
blk_cnt * part_info->blksz))
return -ENXIO;
blk_read = blk_dread(dev_desc, part_info->start,
blk_cnt, buf);
#endif
}
/* Verify image hash */
#ifdef CONFIG_ANDROID_BOOT_IMAGE_HASH
if (android_image_hash_verify(hdr)) {
printf("Image hash miss match!\n");
return -EBADFD;
}
printf("Image hash verify ok\n");
#endif
/*
* zImage is not need to decompress
* kernel will handle decompress itself
*/
if (comp != IH_COMP_NONE && comp != IH_COMP_ZIMAGE) {
kload_addr = env_get_ulong("kernel_addr_r", 16, 0x02080000);
android_image_set_kload(buf, kload_addr);
android_image_set_comp(buf, comp);
} else {
android_image_set_comp(buf, IH_COMP_NONE);
}
}
free(hdr);
unmap_sysmem(buf);
#ifndef CONFIG_ANDROID_BOOT_IMAGE_SEPARATE
debug("%lu blocks read: %s\n",
blk_read, (blk_read == blk_cnt) ? "OK" : "ERROR");
if (blk_read != blk_cnt)
return -1;
#else
debug("%lu blocks read\n", blk_read);
if (blk_read < 0)
return blk_read;
#endif
return load_address;
}
#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);
u32 header_version = hdr->header_version;
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);
printf("%sheader_version: %x\n", p, header_version);
/* 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);
if (header_version >= 1) {
printf("%srecovery dtbo size: %x\n", p, hdr->recovery_dtbo_size);
printf("%srecovery dtbo offset: %llx\n", p, hdr->recovery_dtbo_offset);
printf("%sheader size: %x\n", p, hdr->header_size);
}
if (header_version >= 2) {
printf("%sdtb size: %x\n", p, hdr->dtb_size);
printf("%sdtb addr: %llx\n", p, hdr->dtb_addr);
}
}
#endif
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