[v1,2/4] update code which handles Android sparse image format

Message ID 1408815543-4591-3-git-send-email-srae@broadcom.com
State Superseded
Headers show

Commit Message

Steve Rae Aug. 23, 2014, 5:39 p.m.
- remove unnecessary functions

Signed-off-by: Steve Rae <srae@broadcom.com>
---

 common/aboot.c | 2438 --------------------------------------------------------
 1 file changed, 2438 deletions(-)

Patch

diff --git a/common/aboot.c b/common/aboot.c
index 3b5092d..a302c92 100644
--- a/common/aboot.c
+++ b/common/aboot.c
@@ -30,1819 +30,6 @@ 
  *
  */
 
-#include <app.h>
-#include <debug.h>
-#include <arch/arm.h>
-#include <string.h>
-#include <stdlib.h>
-#include <limits.h>
-#include <kernel/thread.h>
-#include <arch/ops.h>
-
-#include <dev/flash.h>
-#include <lib/ptable.h>
-#include <dev/keys.h>
-#include <dev/fbcon.h>
-#include <baseband.h>
-#include <target.h>
-#include <mmc.h>
-#include <partition_parser.h>
-#include <platform.h>
-#include <crypto_hash.h>
-#include <malloc.h>
-#include <boot_stats.h>
-#include <sha.h>
-#include <platform/iomap.h>
-#include <boot_device.h>
-
-#if DEVICE_TREE
-#include <libfdt.h>
-#include <dev_tree.h>
-#endif
-
-#include "image_verify.h"
-#include "recovery.h"
-#include "bootimg.h"
-#include "fastboot.h"
-#include "sparse_format.h"
-#include "mmc.h"
-#include "devinfo.h"
-#include "board.h"
-#include "scm.h"
-
-extern  bool target_use_signed_kernel(void);
-extern void platform_uninit(void);
-extern void target_uninit(void);
-extern int get_target_boot_params(const char *cmdline, const char *part,
-				  char *buf, int buflen);
-
-void write_device_info_mmc(device_info *dev);
-void write_device_info_flash(device_info *dev);
-
-#define EXPAND(NAME) #NAME
-#define TARGET(NAME) EXPAND(NAME)
-
-#ifdef MEMBASE
-#define EMMC_BOOT_IMG_HEADER_ADDR (0xFF000+(MEMBASE))
-#else
-#define EMMC_BOOT_IMG_HEADER_ADDR 0xFF000
-#endif
-
-#ifndef MEMSIZE
-#define MEMSIZE 1024*1024
-#endif
-
-#define MAX_TAGS_SIZE   1024
-
-#define RECOVERY_MODE   0x77665502
-#define FASTBOOT_MODE   0x77665500
-
-/* make 4096 as default size to ensure EFS,EXT4's erasing */
-#define DEFAULT_ERASE_SIZE  4096
-#define MAX_PANEL_BUF_SIZE 128
-
-#define UBI_MAGIC      "UBI#"
-#define DISPLAY_DEFAULT_PREFIX "mdss_mdp"
-#define UBI_MAGIC_SIZE 0x04
-#define BOOT_DEV_MAX_LEN  64
-
-#define IS_ARM64(ptr) (ptr->magic_64 == KERNEL64_HDR_MAGIC) ? true : false
-
-#define ADD_OF(a, b) (UINT_MAX - b > a) ? (a + b) : UINT_MAX
-
-#if UFS_SUPPORT
-static const char *emmc_cmdline = " androidboot.bootdevice=";
-#else
-static const char *emmc_cmdline = " androidboot.emmc=true";
-#endif
-static const char *usb_sn_cmdline = " androidboot.serialno=";
-static const char *androidboot_mode = " androidboot.mode=";
-static const char *loglevel         = " quiet";
-static const char *battchg_pause = " androidboot.mode=charger";
-static const char *auth_kernel = " androidboot.authorized_kernel=true";
-static const char *secondary_gpt_enable = " gpt";
-
-static const char *baseband_apq     = " androidboot.baseband=apq";
-static const char *baseband_msm     = " androidboot.baseband=msm";
-static const char *baseband_csfb    = " androidboot.baseband=csfb";
-static const char *baseband_svlte2a = " androidboot.baseband=svlte2a";
-static const char *baseband_mdm     = " androidboot.baseband=mdm";
-static const char *baseband_mdm2    = " androidboot.baseband=mdm2";
-static const char *baseband_sglte   = " androidboot.baseband=sglte";
-static const char *baseband_dsda    = " androidboot.baseband=dsda";
-static const char *baseband_dsda2   = " androidboot.baseband=dsda2";
-static const char *baseband_sglte2  = " androidboot.baseband=sglte2";
-static const char *warmboot_cmdline = " qpnp-power-on.warm_boot=1";
-
-static unsigned page_size = 0;
-static unsigned page_mask = 0;
-static char ffbm_mode_string[FFBM_MODE_BUF_SIZE];
-static bool boot_into_ffbm;
-static char target_boot_params[64];
-
-/* Assuming unauthorized kernel image by default */
-static int auth_kernel_img = 0;
-
-static device_info device = {DEVICE_MAGIC, 0, 0, 0, 0};
-
-struct atag_ptbl_entry
-{
-	char name[16];
-	unsigned offset;
-	unsigned size;
-	unsigned flags;
-};
-
-/*
- * Partition info, required to be published
- * for fastboot
- */
-struct getvar_partition_info {
-	const char part_name[MAX_GPT_NAME_SIZE]; /* Partition name */
-	char getvar_size[MAX_GET_VAR_NAME_SIZE]; /* fastboot get var name for size */
-	char getvar_type[MAX_GET_VAR_NAME_SIZE]; /* fastboot get var name for type */
-	char size_response[MAX_RSP_SIZE];        /* fastboot response for size */
-	char type_response[MAX_RSP_SIZE];        /* fastboot response for type */
-};
-
-/*
- * Right now, we are publishing the info for only
- * three partitions
- */
-struct getvar_partition_info part_info[] =
-{
-	{ "system"  , "partition-size:", "partition-type:", "", "ext4" },
-	{ "userdata", "partition-size:", "partition-type:", "", "ext4" },
-	{ "cache"   , "partition-size:", "partition-type:", "", "ext4" },
-};
-
-char max_download_size[MAX_RSP_SIZE];
-char charger_screen_enabled[MAX_RSP_SIZE];
-char sn_buf[13];
-char display_panel_buf[MAX_PANEL_BUF_SIZE];
-char panel_display_mode[MAX_RSP_SIZE];
-
-extern int emmc_recovery_init(void);
-
-#if NO_KEYPAD_DRIVER
-extern int fastboot_trigger(void);
-#endif
-
-static void update_ker_tags_rdisk_addr(struct boot_img_hdr *hdr, bool is_arm64)
-{
-	/* overwrite the destination of specified for the project */
-#ifdef ABOOT_IGNORE_BOOT_HEADER_ADDRS
-	if (is_arm64)
-		hdr->kernel_addr = ABOOT_FORCE_KERNEL64_ADDR;
-	else
-		hdr->kernel_addr = ABOOT_FORCE_KERNEL_ADDR;
-	hdr->ramdisk_addr = ABOOT_FORCE_RAMDISK_ADDR;
-	hdr->tags_addr = ABOOT_FORCE_TAGS_ADDR;
-#endif
-}
-
-static void ptentry_to_tag(unsigned **ptr, struct ptentry *ptn)
-{
-	struct atag_ptbl_entry atag_ptn;
-
-	memcpy(atag_ptn.name, ptn->name, 16);
-	atag_ptn.name[15] = '\0';
-	atag_ptn.offset = ptn->start;
-	atag_ptn.size = ptn->length;
-	atag_ptn.flags = ptn->flags;
-	memcpy(*ptr, &atag_ptn, sizeof(struct atag_ptbl_entry));
-	*ptr += sizeof(struct atag_ptbl_entry) / sizeof(unsigned);
-}
-
-unsigned char *update_cmdline(const char * cmdline)
-{
-	int cmdline_len = 0;
-	int have_cmdline = 0;
-	unsigned char *cmdline_final = NULL;
-	int pause_at_bootup = 0;
-	bool warm_boot = false;
-	bool gpt_exists = partition_gpt_exists();
-	int have_target_boot_params = 0;
-	char *boot_dev_buf = NULL;
-
-	if (cmdline && cmdline[0]) {
-		cmdline_len = strlen(cmdline);
-		have_cmdline = 1;
-	}
-	if (target_is_emmc_boot()) {
-		cmdline_len += strlen(emmc_cmdline);
-#if UFS_SUPPORT
-		boot_dev_buf = (char *) malloc(sizeof(char) * BOOT_DEV_MAX_LEN);
-		ASSERT(boot_dev_buf);
-		platform_boot_dev_cmdline(boot_dev_buf);
-		cmdline_len += strlen(boot_dev_buf);
-#endif
-	}
-
-	cmdline_len += strlen(usb_sn_cmdline);
-	cmdline_len += strlen(sn_buf);
-
-	if (boot_into_recovery && gpt_exists)
-		cmdline_len += strlen(secondary_gpt_enable);
-
-	if (boot_into_ffbm) {
-		cmdline_len += strlen(androidboot_mode);
-		cmdline_len += strlen(ffbm_mode_string);
-		/* reduce kernel console messages to speed-up boot */
-		cmdline_len += strlen(loglevel);
-	} else if (device.charger_screen_enabled &&
-			target_pause_for_battery_charge()) {
-		pause_at_bootup = 1;
-		cmdline_len += strlen(battchg_pause);
-	}
-
-	if(target_use_signed_kernel() && auth_kernel_img) {
-		cmdline_len += strlen(auth_kernel);
-	}
-
-	if (get_target_boot_params(cmdline, boot_into_recovery ? "recoveryfs" :
-								 "system",
-				   target_boot_params,
-				   sizeof(target_boot_params)) == 0) {
-		have_target_boot_params = 1;
-		cmdline_len += strlen(target_boot_params);
-	}
-
-	/* Determine correct androidboot.baseband to use */
-	switch(target_baseband())
-	{
-		case BASEBAND_APQ:
-			cmdline_len += strlen(baseband_apq);
-			break;
-
-		case BASEBAND_MSM:
-			cmdline_len += strlen(baseband_msm);
-			break;
-
-		case BASEBAND_CSFB:
-			cmdline_len += strlen(baseband_csfb);
-			break;
-
-		case BASEBAND_SVLTE2A:
-			cmdline_len += strlen(baseband_svlte2a);
-			break;
-
-		case BASEBAND_MDM:
-			cmdline_len += strlen(baseband_mdm);
-			break;
-
-		case BASEBAND_MDM2:
-			cmdline_len += strlen(baseband_mdm2);
-			break;
-
-		case BASEBAND_SGLTE:
-			cmdline_len += strlen(baseband_sglte);
-			break;
-
-		case BASEBAND_SGLTE2:
-			cmdline_len += strlen(baseband_sglte2);
-			break;
-
-		case BASEBAND_DSDA:
-			cmdline_len += strlen(baseband_dsda);
-			break;
-
-		case BASEBAND_DSDA2:
-			cmdline_len += strlen(baseband_dsda2);
-			break;
-	}
-
-	if (cmdline) {
-		if ((strstr(cmdline, DISPLAY_DEFAULT_PREFIX) == NULL) &&
-			target_display_panel_node(device.display_panel,
-			display_panel_buf, MAX_PANEL_BUF_SIZE) &&
-			strlen(display_panel_buf)) {
-			cmdline_len += strlen(display_panel_buf);
-		}
-	}
-
-	if (target_warm_boot()) {
-		warm_boot = true;
-		cmdline_len += strlen(warmboot_cmdline);
-	}
-
-	if (cmdline_len > 0) {
-		const char *src;
-		unsigned char *dst = (unsigned char*) malloc((cmdline_len + 4) & (~3));
-		ASSERT(dst != NULL);
-
-		/* Save start ptr for debug print */
-		cmdline_final = dst;
-		if (have_cmdline) {
-			src = cmdline;
-			while ((*dst++ = *src++));
-		}
-		if (target_is_emmc_boot()) {
-			src = emmc_cmdline;
-			if (have_cmdline) --dst;
-			have_cmdline = 1;
-			while ((*dst++ = *src++));
-#if UFS_SUPPORT
-			src = boot_dev_buf;
-			if (have_cmdline) --dst;
-			while ((*dst++ = *src++));
-#endif
-		}
-
-		src = usb_sn_cmdline;
-		if (have_cmdline) --dst;
-		have_cmdline = 1;
-		while ((*dst++ = *src++));
-		src = sn_buf;
-		if (have_cmdline) --dst;
-		have_cmdline = 1;
-		while ((*dst++ = *src++));
-		if (warm_boot) {
-			if (have_cmdline) --dst;
-			src = warmboot_cmdline;
-			while ((*dst++ = *src++));
-		}
-
-		if (boot_into_recovery && gpt_exists) {
-			src = secondary_gpt_enable;
-			if (have_cmdline) --dst;
-			while ((*dst++ = *src++));
-		}
-
-		if (boot_into_ffbm) {
-			src = androidboot_mode;
-			if (have_cmdline) --dst;
-			while ((*dst++ = *src++));
-			src = ffbm_mode_string;
-			if (have_cmdline) --dst;
-			while ((*dst++ = *src++));
-			src = loglevel;
-			if (have_cmdline) --dst;
-			while ((*dst++ = *src++));
-		} else if (pause_at_bootup) {
-			src = battchg_pause;
-			if (have_cmdline) --dst;
-			while ((*dst++ = *src++));
-		}
-
-		if(target_use_signed_kernel() && auth_kernel_img) {
-			src = auth_kernel;
-			if (have_cmdline) --dst;
-			while ((*dst++ = *src++));
-		}
-
-		switch(target_baseband())
-		{
-			case BASEBAND_APQ:
-				src = baseband_apq;
-				if (have_cmdline) --dst;
-				while ((*dst++ = *src++));
-				break;
-
-			case BASEBAND_MSM:
-				src = baseband_msm;
-				if (have_cmdline) --dst;
-				while ((*dst++ = *src++));
-				break;
-
-			case BASEBAND_CSFB:
-				src = baseband_csfb;
-				if (have_cmdline) --dst;
-				while ((*dst++ = *src++));
-				break;
-
-			case BASEBAND_SVLTE2A:
-				src = baseband_svlte2a;
-				if (have_cmdline) --dst;
-				while ((*dst++ = *src++));
-				break;
-
-			case BASEBAND_MDM:
-				src = baseband_mdm;
-				if (have_cmdline) --dst;
-				while ((*dst++ = *src++));
-				break;
-
-			case BASEBAND_MDM2:
-				src = baseband_mdm2;
-				if (have_cmdline) --dst;
-				while ((*dst++ = *src++));
-				break;
-
-			case BASEBAND_SGLTE:
-				src = baseband_sglte;
-				if (have_cmdline) --dst;
-				while ((*dst++ = *src++));
-				break;
-
-			case BASEBAND_SGLTE2:
-				src = baseband_sglte2;
-				if (have_cmdline) --dst;
-				while ((*dst++ = *src++));
-				break;
-
-			case BASEBAND_DSDA:
-				src = baseband_dsda;
-				if (have_cmdline) --dst;
-				while ((*dst++ = *src++));
-				break;
-
-			case BASEBAND_DSDA2:
-				src = baseband_dsda2;
-				if (have_cmdline) --dst;
-				while ((*dst++ = *src++));
-				break;
-		}
-
-		if (strlen(display_panel_buf)) {
-			src = display_panel_buf;
-			if (have_cmdline) --dst;
-			while ((*dst++ = *src++));
-		}
-
-		if (have_target_boot_params) {
-			if (have_cmdline) --dst;
-			src = target_boot_params;
-			while ((*dst++ = *src++));
-		}
-	}
-
-
-	if (boot_dev_buf)
-		free(boot_dev_buf);
-
-	dprintf(INFO, "cmdline: %s\n", cmdline_final);
-	return cmdline_final;
-}
-
-unsigned *atag_core(unsigned *ptr)
-{
-	/* CORE */
-	*ptr++ = 2;
-	*ptr++ = 0x54410001;
-
-	return ptr;
-
-}
-
-unsigned *atag_ramdisk(unsigned *ptr, void *ramdisk,
-							   unsigned ramdisk_size)
-{
-	if (ramdisk_size) {
-		*ptr++ = 4;
-		*ptr++ = 0x54420005;
-		*ptr++ = (unsigned)ramdisk;
-		*ptr++ = ramdisk_size;
-	}
-
-	return ptr;
-}
-
-unsigned *atag_ptable(unsigned **ptr_addr)
-{
-	int i;
-	struct ptable *ptable;
-
-	if ((ptable = flash_get_ptable()) && (ptable->count != 0)) {
-		*(*ptr_addr)++ = 2 + (ptable->count * (sizeof(struct atag_ptbl_entry) /
-							sizeof(unsigned)));
-		*(*ptr_addr)++ = 0x4d534d70;
-		for (i = 0; i < ptable->count; ++i)
-			ptentry_to_tag(ptr_addr, ptable_get(ptable, i));
-	}
-
-	return (*ptr_addr);
-}
-
-unsigned *atag_cmdline(unsigned *ptr, const char *cmdline)
-{
-	int cmdline_length = 0;
-	int n;
-	char *dest;
-
-	cmdline_length = strlen((const char*)cmdline);
-	n = (cmdline_length + 4) & (~3);
-
-	*ptr++ = (n / 4) + 2;
-	*ptr++ = 0x54410009;
-	dest = (char *) ptr;
-	while ((*dest++ = *cmdline++));
-	ptr += (n / 4);
-
-	return ptr;
-}
-
-unsigned *atag_end(unsigned *ptr)
-{
-	/* END */
-	*ptr++ = 0;
-	*ptr++ = 0;
-
-	return ptr;
-}
-
-void generate_atags(unsigned *ptr, const char *cmdline,
-                    void *ramdisk, unsigned ramdisk_size)
-{
-
-	ptr = atag_core(ptr);
-	ptr = atag_ramdisk(ptr, ramdisk, ramdisk_size);
-	ptr = target_atag_mem(ptr);
-
-	/* Skip NAND partition ATAGS for eMMC boot */
-	if (!target_is_emmc_boot()){
-		ptr = atag_ptable(&ptr);
-	}
-
-	ptr = atag_cmdline(ptr, cmdline);
-	ptr = atag_end(ptr);
-}
-
-typedef void entry_func_ptr(unsigned, unsigned, unsigned*);
-void boot_linux(void *kernel, unsigned *tags,
-		const char *cmdline, unsigned machtype,
-		void *ramdisk, unsigned ramdisk_size)
-{
-	unsigned char *final_cmdline;
-#if DEVICE_TREE
-	int ret = 0;
-#endif
-
-	void (*entry)(unsigned, unsigned, unsigned*) = (entry_func_ptr*)(PA((addr_t)kernel));
-	uint32_t tags_phys = PA((addr_t)tags);
-	struct kernel64_hdr *kptr = (struct kernel64_hdr*)kernel;
-
-	ramdisk = PA(ramdisk);
-
-	final_cmdline = update_cmdline((const char*)cmdline);
-
-#if DEVICE_TREE
-	dprintf(INFO, "Updating device tree: start\n");
-
-	/* Update the Device Tree */
-	ret = update_device_tree((void *)tags, final_cmdline, ramdisk, ramdisk_size);
-	if(ret)
-	{
-		dprintf(CRITICAL, "ERROR: Updating Device Tree Failed \n");
-		ASSERT(0);
-	}
-	dprintf(INFO, "Updating device tree: done\n");
-#else
-	/* Generating the Atags */
-	generate_atags(tags, final_cmdline, ramdisk, ramdisk_size);
-#endif
-
-	/* Perform target specific cleanup */
-	target_uninit();
-
-	/* Turn off splash screen if enabled */
-#if DISPLAY_SPLASH_SCREEN
-	target_display_shutdown();
-#endif
-
-
-	dprintf(INFO, "booting linux @ %p, ramdisk @ %p (%d), tags/device tree @ %p\n",
-		entry, ramdisk, ramdisk_size, tags_phys);
-
-	enter_critical_section();
-
-	/* do any platform specific cleanup before kernel entry */
-	platform_uninit();
-
-	arch_disable_cache(UCACHE);
-
-#if ARM_WITH_MMU
-	arch_disable_mmu();
-#endif
-	bs_set_timestamp(BS_KERNEL_ENTRY);
-
-	if (IS_ARM64(kptr))
-		/* Jump to a 64bit kernel */
-		scm_elexec_call((paddr_t)kernel, tags_phys);
-	else
-		/* Jump to a 32bit kernel */
-		entry(0, machtype, (unsigned*)tags_phys);
-}
-
-/* Function to check if the memory address range falls within the aboot
- * boundaries.
- * start: Start of the memory region
- * size: Size of the memory region
- */
-int check_aboot_addr_range_overlap(uint32_t start, uint32_t size)
-{
-	/* Check for boundary conditions. */
-	if ((UINT_MAX - start) < size)
-		return -1;
-
-	/* Check for memory overlap. */
-	if ((start < MEMBASE) && ((start + size) <= MEMBASE))
-		return 0;
-	else if (start >= (MEMBASE + MEMSIZE))
-		return 0;
-	else
-		return -1;
-}
-
-#define ROUND_TO_PAGE(x,y) (((x) + (y)) & (~(y)))
-
-BUF_DMA_ALIGN(buf, BOOT_IMG_MAX_PAGE_SIZE); //Equal to max-supported pagesize
-#if DEVICE_TREE
-BUF_DMA_ALIGN(dt_buf, BOOT_IMG_MAX_PAGE_SIZE);
-#endif
-
-static void verify_signed_bootimg(uint32_t bootimg_addr, uint32_t bootimg_size)
-{
-	int ret;
-#if IMAGE_VERIF_ALGO_SHA1
-	uint32_t auth_algo = CRYPTO_AUTH_ALG_SHA1;
-#else
-	uint32_t auth_algo = CRYPTO_AUTH_ALG_SHA256;
-#endif
-
-	/* Assume device is rooted at this time. */
-	device.is_tampered = 1;
-
-	dprintf(INFO, "Authenticating boot image (%d): start\n", bootimg_size);
-
-	ret = image_verify((unsigned char *)bootimg_addr,
-					   (unsigned char *)(bootimg_addr + bootimg_size),
-					   bootimg_size,
-					   auth_algo);
-
-	dprintf(INFO, "Authenticating boot image: done return value = %d\n", ret);
-
-	if (ret)
-	{
-		/* Authorized kernel */
-		device.is_tampered = 0;
-		auth_kernel_img = 1;
-	}
-
-#if USE_PCOM_SECBOOT
-	set_tamper_flag(device.is_tampered);
-#endif
-
-	if(device.is_tampered)
-	{
-		write_device_info_mmc(&device);
-	#ifdef TZ_TAMPER_FUSE
-		set_tamper_fuse_cmd();
-	#endif
-	#ifdef ASSERT_ON_TAMPER
-		dprintf(CRITICAL, "Device is tampered. Asserting..\n");
-		ASSERT(0);
-	#endif
-	}
-}
-
-static bool check_format_bit()
-{
-	bool ret = false;
-	int index;
-	uint64_t offset;
-	struct boot_selection_info *in = NULL;
-	char *buf = NULL;
-
-	index = partition_get_index("bootselect");
-	if (index == INVALID_PTN)
-	{
-		dprintf(INFO, "Unable to locate /bootselect partition\n");
-		return ret;
-	}
-	offset = partition_get_offset(index);
-	if(!offset)
-	{
-		dprintf(INFO, "partition /bootselect doesn't exist\n");
-		return ret;
-	}
-	buf = (char *) memalign(CACHE_LINE, ROUNDUP(page_size, CACHE_LINE));
-	ASSERT(buf);
-	if (mmc_read(offset, (unsigned int *)buf, page_size))
-	{
-		dprintf(INFO, "mmc read failure /bootselect %d\n", page_size);
-		free(buf);
-		return ret;
-	}
-	in = (struct boot_selection_info *) buf;
-	if ((in->signature == BOOTSELECT_SIGNATURE) &&
-			(in->version == BOOTSELECT_VERSION)) {
-		if ((in->state_info & BOOTSELECT_FORMAT) &&
-				!(in->state_info & BOOTSELECT_FACTORY))
-			ret = true;
-	} else {
-		dprintf(CRITICAL, "Signature: 0x%08x or version: 0x%08x mismatched of /bootselect\n",
-				in->signature, in->version);
-		ASSERT(0);
-	}
-	free(buf);
-	return ret;
-}
-
-int boot_linux_from_mmc(void)
-{
-	struct boot_img_hdr *hdr = (void*) buf;
-	struct boot_img_hdr *uhdr;
-	unsigned offset = 0;
-	int rcode;
-	unsigned long long ptn = 0;
-	int index = INVALID_PTN;
-
-	unsigned char *image_addr = 0;
-	unsigned kernel_actual;
-	unsigned ramdisk_actual;
-	unsigned imagesize_actual;
-	unsigned second_actual = 0;
-
-#if DEVICE_TREE
-	struct dt_table *table;
-	struct dt_entry dt_entry;
-	unsigned dt_table_offset;
-	uint32_t dt_actual;
-	uint32_t dt_hdr_size;
-#endif
-	BUF_DMA_ALIGN(kbuf, BOOT_IMG_MAX_PAGE_SIZE);
-	struct kernel64_hdr *kptr = (void*) kbuf;
-
-	if (check_format_bit())
-		boot_into_recovery = 1;
-
-	if (!boot_into_recovery) {
-		memset(ffbm_mode_string, '\0', sizeof(ffbm_mode_string));
-		rcode = get_ffbm(ffbm_mode_string, sizeof(ffbm_mode_string));
-		if (rcode <= 0) {
-			boot_into_ffbm = false;
-			if (rcode < 0)
-				dprintf(CRITICAL,"failed to get ffbm cookie");
-		} else
-			boot_into_ffbm = true;
-	} else
-		boot_into_ffbm = false;
-	uhdr = (struct boot_img_hdr *)EMMC_BOOT_IMG_HEADER_ADDR;
-	if (!memcmp(uhdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
-		dprintf(INFO, "Unified boot method!\n");
-		hdr = uhdr;
-		goto unified_boot;
-	}
-	if (!boot_into_recovery) {
-		index = partition_get_index("boot");
-		ptn = partition_get_offset(index);
-		if(ptn == 0) {
-			dprintf(CRITICAL, "ERROR: No boot partition found\n");
-                    return -1;
-		}
-	}
-	else {
-		index = partition_get_index("recovery");
-		ptn = partition_get_offset(index);
-		if(ptn == 0) {
-			dprintf(CRITICAL, "ERROR: No recovery partition found\n");
-                    return -1;
-		}
-	}
-
-	if (mmc_read(ptn + offset, (unsigned int *) buf, page_size)) {
-		dprintf(CRITICAL, "ERROR: Cannot read boot image header\n");
-                return -1;
-	}
-
-	if (memcmp(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
-		dprintf(CRITICAL, "ERROR: Invalid boot image header\n");
-                return -1;
-	}
-
-	if (hdr->page_size && (hdr->page_size != page_size)) {
-
-		if (hdr->page_size > BOOT_IMG_MAX_PAGE_SIZE) {
-			dprintf(CRITICAL, "ERROR: Invalid page size\n");
-			return -1;
-		}
-		page_size = hdr->page_size;
-		page_mask = page_size - 1;
-	}
-
-	/* Read the next page to get kernel Image header
-	 * which lives in the second page for arm64 targets.
-	 */
-
-	if (mmc_read(ptn + page_size, (unsigned int *) kbuf, page_size)) {
-		dprintf(CRITICAL, "ERROR: Cannot read boot image header\n");
-                return -1;
-	}
-
-	/*
-	 * Update the kernel/ramdisk/tags address if the boot image header
-	 * has default values, these default values come from mkbootimg when
-	 * the boot image is flashed using fastboot flash:raw
-	 */
-	update_ker_tags_rdisk_addr(hdr, IS_ARM64(kptr));
-
-	/* Get virtual addresses since the hdr saves physical addresses. */
-	hdr->kernel_addr = VA((addr_t)(hdr->kernel_addr));
-	hdr->ramdisk_addr = VA((addr_t)(hdr->ramdisk_addr));
-	hdr->tags_addr = VA((addr_t)(hdr->tags_addr));
-
-	kernel_actual  = ROUND_TO_PAGE(hdr->kernel_size,  page_mask);
-	ramdisk_actual = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask);
-
-	/* Check if the addresses in the header are valid. */
-	if (check_aboot_addr_range_overlap(hdr->kernel_addr, kernel_actual) ||
-		check_aboot_addr_range_overlap(hdr->ramdisk_addr, ramdisk_actual))
-	{
-		dprintf(CRITICAL, "kernel/ramdisk addresses overlap with aboot addresses.\n");
-		return -1;
-	}
-
-#ifndef DEVICE_TREE
-	if (check_aboot_addr_range_overlap(hdr->tags_addr, MAX_TAGS_SIZE))
-	{
-		dprintf(CRITICAL, "Tags addresses overlap with aboot addresses.\n");
-		return -1;
-	}
-#endif
-
-	/* Authenticate Kernel */
-	dprintf(INFO, "use_signed_kernel=%d, is_unlocked=%d, is_tampered=%d.\n",
-		(int) target_use_signed_kernel(),
-		device.is_unlocked,
-		device.is_tampered);
-
-	if(target_use_signed_kernel() && (!device.is_unlocked))
-	{
-		offset = 0;
-
-		image_addr = (unsigned char *)target_get_scratch_address();
-
-#if DEVICE_TREE
-		dt_actual = ROUND_TO_PAGE(hdr->dt_size, page_mask);
-		imagesize_actual = (page_size + kernel_actual + ramdisk_actual + dt_actual);
-
-		if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_actual))
-		{
-			dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
-			return -1;
-		}
-#else
-		imagesize_actual = (page_size + kernel_actual + ramdisk_actual);
-
-#endif
-
-		dprintf(INFO, "Loading boot image (%d): start\n", imagesize_actual);
-		bs_set_timestamp(BS_KERNEL_LOAD_START);
-
-		if (check_aboot_addr_range_overlap(image_addr, imagesize_actual))
-		{
-			dprintf(CRITICAL, "Boot image buffer address overlaps with aboot addresses.\n");
-			return -1;
-		}
-
-		/* Read image without signature */
-		if (mmc_read(ptn + offset, (void *)image_addr, imagesize_actual))
-		{
-			dprintf(CRITICAL, "ERROR: Cannot read boot image\n");
-				return -1;
-		}
-
-		dprintf(INFO, "Loading boot image (%d): done\n", imagesize_actual);
-		bs_set_timestamp(BS_KERNEL_LOAD_DONE);
-
-		offset = imagesize_actual;
-
-		if (check_aboot_addr_range_overlap(image_addr + offset, page_size))
-		{
-			dprintf(CRITICAL, "Signature read buffer address overlaps with aboot addresses.\n");
-			return -1;
-		}
-
-		/* Read signature */
-		if(mmc_read(ptn + offset, (void *)(image_addr + offset), page_size))
-		{
-			dprintf(CRITICAL, "ERROR: Cannot read boot image signature\n");
-			return -1;
-		}
-
-		verify_signed_bootimg(image_addr, imagesize_actual);
-
-		/* Move kernel, ramdisk and device tree to correct address */
-		memmove((void*) hdr->kernel_addr, (char *)(image_addr + page_size), hdr->kernel_size);
-		memmove((void*) hdr->ramdisk_addr, (char *)(image_addr + page_size + kernel_actual), hdr->ramdisk_size);
-
-		#if DEVICE_TREE
-		if(hdr->dt_size) {
-			dt_table_offset = ((uint32_t)image_addr + page_size + kernel_actual + ramdisk_actual + second_actual);
-			table = (struct dt_table*) dt_table_offset;
-
-			if (dev_tree_validate(table, hdr->page_size, &dt_hdr_size) != 0) {
-				dprintf(CRITICAL, "ERROR: Cannot validate Device Tree Table \n");
-				return -1;
-			}
-
-			/* Find index of device tree within device tree table */
-			if(dev_tree_get_entry_info(table, &dt_entry) != 0){
-				dprintf(CRITICAL, "ERROR: Device Tree Blob cannot be found\n");
-				return -1;
-			}
-
-			/* Validate and Read device device tree in the "tags_add */
-			if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_entry.size))
-			{
-				dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
-				return -1;
-			}
-
-			memmove((void *)hdr->tags_addr, (char *)dt_table_offset + dt_entry.offset, dt_entry.size);
-		} else {
-			/*
-			 * If appended dev tree is found, update the atags with
-			 * memory address to the DTB appended location on RAM.
-			 * Else update with the atags address in the kernel header
-			 */
-			void *dtb;
-			dtb = dev_tree_appended((void*) hdr->kernel_addr,
-						hdr->kernel_size,
-						(void *)hdr->tags_addr);
-			if (!dtb) {
-				dprintf(CRITICAL, "ERROR: Appended Device Tree Blob not found\n");
-				return -1;
-			}
-		}
-		#endif
-	}
-	else
-	{
-		second_actual  = ROUND_TO_PAGE(hdr->second_size,  page_mask);
-
-		dprintf(INFO, "Loading boot image (%d): start\n",
-				kernel_actual + ramdisk_actual);
-		bs_set_timestamp(BS_KERNEL_LOAD_START);
-
-		offset = page_size;
-
-		/* Load kernel */
-		if (mmc_read(ptn + offset, (void *)hdr->kernel_addr, kernel_actual)) {
-			dprintf(CRITICAL, "ERROR: Cannot read kernel image\n");
-					return -1;
-		}
-		offset += kernel_actual;
-
-		/* Load ramdisk */
-		if(ramdisk_actual != 0)
-		{
-			if (mmc_read(ptn + offset, (void *)hdr->ramdisk_addr, ramdisk_actual)) {
-				dprintf(CRITICAL, "ERROR: Cannot read ramdisk image\n");
-				return -1;
-			}
-		}
-		offset += ramdisk_actual;
-
-		dprintf(INFO, "Loading boot image (%d): done\n",
-				kernel_actual + ramdisk_actual);
-		bs_set_timestamp(BS_KERNEL_LOAD_DONE);
-
-		if(hdr->second_size != 0) {
-			offset += second_actual;
-			/* Second image loading not implemented. */
-			ASSERT(0);
-		}
-
-		#if DEVICE_TREE
-		if(hdr->dt_size != 0) {
-			/* Read the first page of device tree table into buffer */
-			if(mmc_read(ptn + offset,(unsigned int *) dt_buf, page_size)) {
-				dprintf(CRITICAL, "ERROR: Cannot read the Device Tree Table\n");
-				return -1;
-			}
-			table = (struct dt_table*) dt_buf;
-
-			if (dev_tree_validate(table, hdr->page_size, &dt_hdr_size) != 0) {
-				dprintf(CRITICAL, "ERROR: Cannot validate Device Tree Table \n");
-				return -1;
-			}
-
-			table = (struct dt_table*) memalign(CACHE_LINE, dt_hdr_size);
-			if (!table)
-				return -1;
-
-			/* Read the entire device tree table into buffer */
-			if(mmc_read(ptn + offset,(unsigned int *) table, dt_hdr_size)) {
-				dprintf(CRITICAL, "ERROR: Cannot read the Device Tree Table\n");
-				return -1;
-			}
-
-			/* Find index of device tree within device tree table */
-			if(dev_tree_get_entry_info(table, &dt_entry) != 0){
-				dprintf(CRITICAL, "ERROR: Getting device tree address failed\n");
-				return -1;
-			}
-
-			/* Validate and Read device device tree in the "tags_add */
-			if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_entry.size))
-			{
-				dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
-				return -1;
-			}
-
-			if(mmc_read(ptn + offset + dt_entry.offset,
-						 (void *)hdr->tags_addr, dt_entry.size)) {
-				dprintf(CRITICAL, "ERROR: Cannot read device tree\n");
-				return -1;
-			}
-			#ifdef TZ_SAVE_KERNEL_HASH
-			aboot_save_boot_hash_mmc(hdr->kernel_addr, kernel_actual,
-				       hdr->ramdisk_addr, ramdisk_actual,
-				       ptn, offset, hdr->dt_size);
-			#endif /* TZ_SAVE_KERNEL_HASH */
-
-		} else {
-
-			/* Validate the tags_addr */
-			if (check_aboot_addr_range_overlap(hdr->tags_addr, kernel_actual))
-			{
-				dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
-				return -1;
-			}
-			/*
-			 * If appended dev tree is found, update the atags with
-			 * memory address to the DTB appended location on RAM.
-			 * Else update with the atags address in the kernel header
-			 */
-			void *dtb;
-			dtb = dev_tree_appended((void*) hdr->kernel_addr,
-						kernel_actual,
-						(void *)hdr->tags_addr);
-			if (!dtb) {
-				dprintf(CRITICAL, "ERROR: Appended Device Tree Blob not found\n");
-				return -1;
-			}
-		}
-		#endif
-	}
-
-	if (boot_into_recovery && !device.is_unlocked && !device.is_tampered)
-		target_load_ssd_keystore();
-
-unified_boot:
-
-	boot_linux((void *)hdr->kernel_addr, (void *)hdr->tags_addr,
-		   (const char *)hdr->cmdline, board_machtype(),
-		   (void *)hdr->ramdisk_addr, hdr->ramdisk_size);
-
-	return 0;
-}
-
-int boot_linux_from_flash(void)
-{
-	struct boot_img_hdr *hdr = (void*) buf;
-	struct ptentry *ptn;
-	struct ptable *ptable;
-	unsigned offset = 0;
-
-	unsigned char *image_addr = 0;
-	unsigned kernel_actual;
-	unsigned ramdisk_actual;
-	unsigned imagesize_actual;
-	unsigned second_actual;
-
-#if DEVICE_TREE
-	struct dt_table *table;
-	struct dt_entry dt_entry;
-	uint32_t dt_actual;
-	uint32_t dt_hdr_size;
-#endif
-
-	if (target_is_emmc_boot()) {
-		hdr = (struct boot_img_hdr *)EMMC_BOOT_IMG_HEADER_ADDR;
-		if (memcmp(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
-			dprintf(CRITICAL, "ERROR: Invalid boot image header\n");
-			return -1;
-		}
-		goto continue_boot;
-	}
-
-	ptable = flash_get_ptable();
-	if (ptable == NULL) {
-		dprintf(CRITICAL, "ERROR: Partition table not found\n");
-		return -1;
-	}
-
-	if(!boot_into_recovery)
-	{
-	        ptn = ptable_find(ptable, "boot");
-
-	        if (ptn == NULL) {
-		        dprintf(CRITICAL, "ERROR: No boot partition found\n");
-		        return -1;
-	        }
-	}
-	else
-	{
-	        ptn = ptable_find(ptable, "recovery");
-	        if (ptn == NULL) {
-		        dprintf(CRITICAL, "ERROR: No recovery partition found\n");
-		        return -1;
-	        }
-	}
-
-	if (flash_read(ptn, offset, buf, page_size)) {
-		dprintf(CRITICAL, "ERROR: Cannot read boot image header\n");
-		return -1;
-	}
-
-	if (memcmp(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
-		dprintf(CRITICAL, "ERROR: Invalid boot image header\n");
-		return -1;
-	}
-
-	if (hdr->page_size != page_size) {
-		dprintf(CRITICAL, "ERROR: Invalid boot image pagesize. Device pagesize: %d, Image pagesize: %d\n",page_size,hdr->page_size);
-		return -1;
-	}
-
-	/*
-	 * Update the kernel/ramdisk/tags address if the boot image header
-	 * has default values, these default values come from mkbootimg when
-	 * the boot image is flashed using fastboot flash:raw
-	 */
-	update_ker_tags_rdisk_addr(hdr, false);
-
-	/* Get virtual addresses since the hdr saves physical addresses. */
-	hdr->kernel_addr = VA((addr_t)(hdr->kernel_addr));
-	hdr->ramdisk_addr = VA((addr_t)(hdr->ramdisk_addr));
-	hdr->tags_addr = VA((addr_t)(hdr->tags_addr));
-
-	kernel_actual  = ROUND_TO_PAGE(hdr->kernel_size,  page_mask);
-	ramdisk_actual = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask);
-
-	/* Check if the addresses in the header are valid. */
-	if (check_aboot_addr_range_overlap(hdr->kernel_addr, kernel_actual) ||
-		check_aboot_addr_range_overlap(hdr->ramdisk_addr, ramdisk_actual))
-	{
-		dprintf(CRITICAL, "kernel/ramdisk addresses overlap with aboot addresses.\n");
-		return -1;
-	}
-
-#ifndef DEVICE_TREE
-		if (check_aboot_addr_range_overlap(hdr->tags_addr, MAX_TAGS_SIZE))
-		{
-			dprintf(CRITICAL, "Tags addresses overlap with aboot addresses.\n");
-			return -1;
-		}
-#endif
-
-	/* Authenticate Kernel */
-	if(target_use_signed_kernel() && (!device.is_unlocked))
-	{
-		image_addr = (unsigned char *)target_get_scratch_address();
-		offset = 0;
-
-#if DEVICE_TREE
-		dt_actual = ROUND_TO_PAGE(hdr->dt_size, page_mask);
-		imagesize_actual = (page_size + kernel_actual + ramdisk_actual + dt_actual);
-
-		if (check_aboot_addr_range_overlap(hdr->tags_addr, hdr->dt_size))
-		{
-			dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
-			return -1;
-		}
-#else
-		imagesize_actual = (page_size + kernel_actual + ramdisk_actual);
-#endif
-
-		dprintf(INFO, "Loading boot image (%d): start\n", imagesize_actual);
-		bs_set_timestamp(BS_KERNEL_LOAD_START);
-
-		/* Read image without signature */
-		if (flash_read(ptn, offset, (void *)image_addr, imagesize_actual))
-		{
-			dprintf(CRITICAL, "ERROR: Cannot read boot image\n");
-				return -1;
-		}
-
-		dprintf(INFO, "Loading boot image (%d): done\n", imagesize_actual);
-		bs_set_timestamp(BS_KERNEL_LOAD_DONE);
-
-		offset = imagesize_actual;
-		/* Read signature */
-		if (flash_read(ptn, offset, (void *)(image_addr + offset), page_size))
-		{
-			dprintf(CRITICAL, "ERROR: Cannot read boot image signature\n");
-			return -1;
-		}
-
-		verify_signed_bootimg(image_addr, imagesize_actual);
-
-		/* Move kernel and ramdisk to correct address */
-		memmove((void*) hdr->kernel_addr, (char *)(image_addr + page_size), hdr->kernel_size);
-		memmove((void*) hdr->ramdisk_addr, (char *)(image_addr + page_size + kernel_actual), hdr->ramdisk_size);
-#if DEVICE_TREE
-		/* Validate and Read device device tree in the "tags_add */
-		if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_entry.size))
-		{
-			dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
-			return -1;
-		}
-
-		memmove((void*) hdr->tags_addr, (char *)(image_addr + page_size + kernel_actual + ramdisk_actual), hdr->dt_size);
-#endif
-
-		/* Make sure everything from scratch address is read before next step!*/
-		if(device.is_tampered)
-		{
-			write_device_info_flash(&device);
-		}
-#if USE_PCOM_SECBOOT
-		set_tamper_flag(device.is_tampered);
-#endif
-	}
-	else
-	{
-		offset = page_size;
-
-		kernel_actual = ROUND_TO_PAGE(hdr->kernel_size, page_mask);
-		ramdisk_actual = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask);
-		second_actual = ROUND_TO_PAGE(hdr->second_size, page_mask);
-
-		dprintf(INFO, "Loading boot image (%d): start\n",
-				kernel_actual + ramdisk_actual);
-		bs_set_timestamp(BS_KERNEL_LOAD_START);
-
-		if (flash_read(ptn, offset, (void *)hdr->kernel_addr, kernel_actual)) {
-			dprintf(CRITICAL, "ERROR: Cannot read kernel image\n");
-			return -1;
-		}
-		offset += kernel_actual;
-
-		if (flash_read(ptn, offset, (void *)hdr->ramdisk_addr, ramdisk_actual)) {
-			dprintf(CRITICAL, "ERROR: Cannot read ramdisk image\n");
-			return -1;
-		}
-		offset += ramdisk_actual;
-
-		dprintf(INFO, "Loading boot image (%d): done\n",
-				kernel_actual + ramdisk_actual);
-		bs_set_timestamp(BS_KERNEL_LOAD_DONE);
-
-		if(hdr->second_size != 0) {
-			offset += second_actual;
-			/* Second image loading not implemented. */
-			ASSERT(0);
-		}
-
-#if DEVICE_TREE
-		if(hdr->dt_size != 0) {
-
-			/* Read the device tree table into buffer */
-			if(flash_read(ptn, offset, (void *) dt_buf, page_size)) {
-				dprintf(CRITICAL, "ERROR: Cannot read the Device Tree Table\n");
-				return -1;
-			}
-
-			table = (struct dt_table*) dt_buf;
-
-			if (dev_tree_validate(table, hdr->page_size, &dt_hdr_size) != 0) {
-				dprintf(CRITICAL, "ERROR: Cannot validate Device Tree Table \n");
-				return -1;
-			}
-
-			table = (struct dt_table*) memalign(CACHE_LINE, dt_hdr_size);
-			if (!table)
-				return -1;
-
-			/* Read the entire device tree table into buffer */
-			if(flash_read(ptn, offset, (void *)table, dt_hdr_size)) {
-				dprintf(CRITICAL, "ERROR: Cannot read the Device Tree Table\n");
-				return -1;
-			}
-
-
-			/* Find index of device tree within device tree table */
-			if(dev_tree_get_entry_info(table, &dt_entry) != 0){
-				dprintf(CRITICAL, "ERROR: Getting device tree address failed\n");
-				return -1;
-			}
-
-			/* Validate and Read device device tree in the "tags_add */
-			if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_entry.size))
-			{
-				dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
-				return -1;
-			}
-
-			/* Read device device tree in the "tags_add */
-			if(flash_read(ptn, offset + dt_entry.offset,
-						 (void *)hdr->tags_addr, dt_entry.size)) {
-				dprintf(CRITICAL, "ERROR: Cannot read device tree\n");
-				return -1;
-			}
-		}
-#endif
-
-	}
-continue_boot:
-
-	/* TODO: create/pass atags to kernel */
-
-	boot_linux((void *)hdr->kernel_addr, (void *)hdr->tags_addr,
-		   (const char *)hdr->cmdline, board_machtype(),
-		   (void *)hdr->ramdisk_addr, hdr->ramdisk_size);
-
-	return 0;
-}
-
-BUF_DMA_ALIGN(info_buf, BOOT_IMG_MAX_PAGE_SIZE);
-void write_device_info_mmc(device_info *dev)
-{
-	struct device_info *info = (void*) info_buf;
-	unsigned long long ptn = 0;
-	unsigned long long size;
-	int index = INVALID_PTN;
-	uint32_t blocksize;
-	uint8_t lun = 0;
-
-	index = partition_get_index("aboot");
-	ptn = partition_get_offset(index);
-	if(ptn == 0)
-	{
-		return;
-	}
-
-	lun = partition_get_lun(index);
-	mmc_set_lun(lun);
-
-	size = partition_get_size(index);
-
-	memcpy(info, dev, sizeof(device_info));
-
-	blocksize = mmc_get_device_blocksize();
-
-	if(mmc_write((ptn + size - blocksize), blocksize, (void *)info_buf))
-	{
-		dprintf(CRITICAL, "ERROR: Cannot write device info\n");
-		return;
-	}
-}
-
-void read_device_info_mmc(device_info *dev)
-{
-	struct device_info *info = (void*) info_buf;
-	unsigned long long ptn = 0;
-	unsigned long long size;
-	int index = INVALID_PTN;
-	uint32_t blocksize;
-
-	index = partition_get_index("aboot");
-	ptn = partition_get_offset(index);
-	if(ptn == 0)
-	{
-		return;
-	}
-
-	size = partition_get_size(index);
-
-	blocksize = mmc_get_device_blocksize();
-
-	if(mmc_read((ptn + size - blocksize), (void *)info_buf, blocksize))
-	{
-		dprintf(CRITICAL, "ERROR: Cannot read device info\n");
-		return;
-	}
-
-	if (memcmp(info->magic, DEVICE_MAGIC, DEVICE_MAGIC_SIZE))
-	{
-		memcpy(info->magic, DEVICE_MAGIC, DEVICE_MAGIC_SIZE);
-		info->is_unlocked = 0;
-		info->is_tampered = 0;
-		info->charger_screen_enabled = 0;
-
-		write_device_info_mmc(info);
-	}
-	memcpy(dev, info, sizeof(device_info));
-}
-
-void write_device_info_flash(device_info *dev)
-{
-	struct device_info *info = (void *) info_buf;
-	struct ptentry *ptn;
-	struct ptable *ptable;
-
-	ptable = flash_get_ptable();
-	if (ptable == NULL)
-	{
-		dprintf(CRITICAL, "ERROR: Partition table not found\n");
-		return;
-	}
-
-	ptn = ptable_find(ptable, "devinfo");
-	if (ptn == NULL)
-	{
-		dprintf(CRITICAL, "ERROR: No boot partition found\n");
-			return;
-	}
-
-	memcpy(info, dev, sizeof(device_info));
-
-	if (flash_write(ptn, 0, (void *)info_buf, page_size))
-	{
-		dprintf(CRITICAL, "ERROR: Cannot write device info\n");
-			return;
-	}
-}
-
-void read_device_info_flash(device_info *dev)
-{
-	struct device_info *info = (void*) info_buf;
-	struct ptentry *ptn;
-	struct ptable *ptable;
-
-	ptable = flash_get_ptable();
-	if (ptable == NULL)
-	{
-		dprintf(CRITICAL, "ERROR: Partition table not found\n");
-		return;
-	}
-
-	ptn = ptable_find(ptable, "devinfo");
-	if (ptn == NULL)
-	{
-		dprintf(CRITICAL, "ERROR: No boot partition found\n");
-			return;
-	}
-
-	if (flash_read(ptn, 0, (void *)info_buf, page_size))
-	{
-		dprintf(CRITICAL, "ERROR: Cannot write device info\n");
-			return;
-	}
-
-	if (memcmp(info->magic, DEVICE_MAGIC, DEVICE_MAGIC_SIZE))
-	{
-		memcpy(info->magic, DEVICE_MAGIC, DEVICE_MAGIC_SIZE);
-		info->is_unlocked = 0;
-		info->is_tampered = 0;
-		write_device_info_flash(info);
-	}
-	memcpy(dev, info, sizeof(device_info));
-}
-
-void write_device_info(device_info *dev)
-{
-	if(target_is_emmc_boot())
-	{
-		write_device_info_mmc(dev);
-	}
-	else
-	{
-		write_device_info_flash(dev);
-	}
-}
-
-void read_device_info(device_info *dev)
-{
-	if(target_is_emmc_boot())
-	{
-		read_device_info_mmc(dev);
-	}
-	else
-	{
-		read_device_info_flash(dev);
-	}
-}
-
-void reset_device_info()
-{
-	dprintf(ALWAYS, "reset_device_info called.");
-	device.is_tampered = 0;
-	write_device_info(&device);
-}
-
-void set_device_root()
-{
-	dprintf(ALWAYS, "set_device_root called.");
-	device.is_tampered = 1;
-	write_device_info(&device);
-}
-
-#if DEVICE_TREE
-int copy_dtb(uint8_t *boot_image_start)
-{
-	uint32 dt_image_offset = 0;
-	uint32_t n;
-	struct dt_table *table;
-	struct dt_entry dt_entry;
-	uint32_t dt_hdr_size;
-
-	struct boot_img_hdr *hdr = (struct boot_img_hdr *) (boot_image_start);
-
-	if(hdr->dt_size != 0) {
-
-		/* add kernel offset */
-		dt_image_offset += page_size;
-		n = ROUND_TO_PAGE(hdr->kernel_size, page_mask);
-		dt_image_offset += n;
-
-		/* add ramdisk offset */
-		n = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask);
-		dt_image_offset += n;
-
-		/* add second offset */
-		if(hdr->second_size != 0) {
-			n = ROUND_TO_PAGE(hdr->second_size, page_mask);
-			dt_image_offset += n;
-		}
-
-		/* offset now point to start of dt.img */
-		table = (struct dt_table*)(boot_image_start + dt_image_offset);
-
-		if (dev_tree_validate(table, hdr->page_size, &dt_hdr_size) != 0) {
-			dprintf(CRITICAL, "ERROR: Cannot validate Device Tree Table \n");
-			return -1;
-		}
-		/* Find index of device tree within device tree table */
-		if(dev_tree_get_entry_info(table, &dt_entry) != 0){
-			dprintf(CRITICAL, "ERROR: Getting device tree address failed\n");
-			return -1;
-		}
-
-		/* Validate and Read device device tree in the "tags_add */
-		if (check_aboot_addr_range_overlap(hdr->tags_addr, dt_entry.size))
-		{
-			dprintf(CRITICAL, "Device tree addresses overlap with aboot addresses.\n");
-			return -1;
-		}
-
-		/* Read device device tree in the "tags_add */
-		memmove((void*) hdr->tags_addr,
-				boot_image_start + dt_image_offset +  dt_entry.offset,
-				dt_entry.size);
-	} else
-		return -1;
-
-	/* Everything looks fine. Return success. */
-	return 0;
-}
-#endif
-
-void cmd_boot(const char *arg, void *data, unsigned sz)
-{
-	unsigned kernel_actual;
-	unsigned ramdisk_actual;
-	uint32_t image_actual;
-	uint32_t dt_actual = 0;
-	uint32_t sig_actual = SIGNATURE_SIZE;
-	struct boot_img_hdr *hdr;
-	struct kernel64_hdr *kptr;
-	char *ptr = ((char*) data);
-	int ret = 0;
-	uint8_t dtb_copied = 0;
-
-	if (sz < sizeof(hdr)) {
-		fastboot_fail("invalid bootimage header");
-		return;
-	}
-
-	hdr = (struct boot_img_hdr *)data;
-
-	/* ensure commandline is terminated */
-	hdr->cmdline[BOOT_ARGS_SIZE-1] = 0;
-
-	if(target_is_emmc_boot() && hdr->page_size) {
-		page_size = hdr->page_size;
-		page_mask = page_size - 1;
-	}
-
-	kernel_actual = ROUND_TO_PAGE(hdr->kernel_size, page_mask);
-	ramdisk_actual = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask);
-#if DEVICE_TREE
-	dt_actual = ROUND_TO_PAGE(hdr->dt_size, page_mask);
-#endif
-
-	image_actual = ADD_OF(page_size, kernel_actual);
-	image_actual = ADD_OF(image_actual, ramdisk_actual);
-	image_actual = ADD_OF(image_actual, dt_actual);
-
-	if (target_use_signed_kernel() && (!device.is_unlocked))
-		image_actual = ADD_OF(image_actual, sig_actual);
-
-	/* sz should have atleast raw boot image */
-	if (image_actual > sz) {
-		fastboot_fail("bootimage: incomplete or not signed");
-		return;
-	}
-
-	/* Verify the boot image
-	 * device & page_size are initialized in aboot_init
-	 */
-	if (target_use_signed_kernel() && (!device.is_unlocked))
-		/* Pass size excluding signature size, otherwise we would try to
-		 * access signature beyond its length
-		 */
-		verify_signed_bootimg((uint32_t)data, (image_actual - sig_actual));
-
-	/*
-	 * Update the kernel/ramdisk/tags address if the boot image header
-	 * has default values, these default values come from mkbootimg when
-	 * the boot image is flashed using fastboot flash:raw
-	 */
-	kptr = (struct kernel64_hdr*)((char*) data + page_size);
-	update_ker_tags_rdisk_addr(hdr, IS_ARM64(kptr));
-
-	/* Get virtual addresses since the hdr saves physical addresses. */
-	hdr->kernel_addr = VA(hdr->kernel_addr);
-	hdr->ramdisk_addr = VA(hdr->ramdisk_addr);
-	hdr->tags_addr = VA(hdr->tags_addr);
-
-	/* Check if the addresses in the header are valid. */
-	if (check_aboot_addr_range_overlap(hdr->kernel_addr, kernel_actual) ||
-		check_aboot_addr_range_overlap(hdr->ramdisk_addr, ramdisk_actual))
-	{
-		dprintf(CRITICAL, "kernel/ramdisk addresses overlap with aboot addresses.\n");
-		return;
-	}
-
-#if DEVICE_TREE
-	/* find correct dtb and copy it to right location */
-	ret = copy_dtb(data);
-
-	dtb_copied = !ret ? 1 : 0;
-#else
-	if (check_aboot_addr_range_overlap(hdr->tags_addr, MAX_TAGS_SIZE))
-	{
-		dprintf(CRITICAL, "Tags addresses overlap with aboot addresses.\n");
-		return;
-	}
-#endif
-
-	/* Load ramdisk & kernel */
-	memmove((void*) hdr->ramdisk_addr, ptr + page_size + kernel_actual, hdr->ramdisk_size);
-	memmove((void*) hdr->kernel_addr, ptr + page_size, hdr->kernel_size);
-
-#if DEVICE_TREE
-	/*
-	 * If dtb is not found look for appended DTB in the kernel.
-	 * If appended dev tree is found, update the atags with
-	 * memory address to the DTB appended location on RAM.
-	 * Else update with the atags address in the kernel header
-	 */
-	if (!dtb_copied) {
-		void *dtb;
-		dtb = dev_tree_appended((void *)hdr->kernel_addr, hdr->kernel_size,
-					(void *)hdr->tags_addr);
-		if (!dtb) {
-			fastboot_fail("dtb not found");
-			return;
-		}
-	}
-#endif
-
-#ifndef DEVICE_TREE
-	if (check_aboot_addr_range_overlap(hdr->tags_addr, MAX_TAGS_SIZE))
-	{
-		dprintf(CRITICAL, "Tags addresses overlap with aboot addresses.\n");
-		return;
-	}
-#endif
-
-	fastboot_okay("");
-	fastboot_stop();
-
-	boot_linux((void*) hdr->kernel_addr, (void*) hdr->tags_addr,
-		   (const char*) hdr->cmdline, board_machtype(),
-		   (void*) hdr->ramdisk_addr, hdr->ramdisk_size);
-}
-
-void cmd_erase(const char *arg, void *data, unsigned sz)
-{
-	struct ptentry *ptn;
-	struct ptable *ptable;
-
-	ptable = flash_get_ptable();
-	if (ptable == NULL) {
-		fastboot_fail("partition table doesn't exist");
-		return;
-	}
-
-	ptn = ptable_find(ptable, arg);
-	if (ptn == NULL) {
-		fastboot_fail("unknown partition name");
-		return;
-	}
-
-	if (flash_erase(ptn)) {
-		fastboot_fail("failed to erase partition");
-		return;
-	}
-	fastboot_okay("");
-}
-
-
-void cmd_erase_mmc(const char *arg, void *data, unsigned sz)
-{
-	BUF_DMA_ALIGN(out, DEFAULT_ERASE_SIZE);
-	unsigned long long ptn = 0;
-	unsigned long long size = 0;
-	int index = INVALID_PTN;
-	uint8_t lun = 0;
-
-	index = partition_get_index(arg);
-	ptn = partition_get_offset(index);
-	size = partition_get_size(index);
-
-	if(ptn == 0) {
-		fastboot_fail("Partition table doesn't exist\n");
-		return;
-	}
-
-	lun = partition_get_lun(index);
-	mmc_set_lun(lun);
-
-#if MMC_SDHCI_SUPPORT
-	if (mmc_erase_card(ptn, size)) {
-		fastboot_fail("failed to erase partition\n");
-		return;
-	}
-#else
-	size = partition_get_size(index);
-	if (size > DEFAULT_ERASE_SIZE)
-		size = DEFAULT_ERASE_SIZE;
-
-	/* Simple inefficient version of erase. Just writing
-       0 in first several blocks */
-	if (mmc_write(ptn , size, (unsigned int *)out)) {
-		fastboot_fail("failed to erase partition");
-		return;
-	}
-#endif
-	fastboot_okay("");
-}
-
-
-void cmd_flash_mmc_img(const char *arg, void *data, unsigned sz)
-{
-	unsigned long long ptn = 0;
-	unsigned long long size = 0;
-	int index = INVALID_PTN;
-	char *token = NULL;
-	char *pname = NULL;
-	uint8_t lun = 0;
-	bool lun_set = false;
-
-	token = strtok(arg, ":");
-	pname = token;
-	token = strtok(NULL, ":");
-	if(token)
-	{
-		lun = atoi(token);
-		mmc_set_lun(lun);
-		lun_set = true;
-	}
-
-	if (pname)
-	{
-		if (!strcmp(pname, "partition"))
-		{
-			dprintf(INFO, "Attempt to write partition image.\n");
-			if (write_partition(sz, (unsigned char *) data)) {
-				fastboot_fail("failed to write partition");
-				return;
-			}
-		}
-		else
-		{
-			index = partition_get_index(pname);
-			ptn = partition_get_offset(index);
-			if(ptn == 0) {
-				fastboot_fail("partition table doesn't exist");
-				return;
-			}
-
-			if (!strcmp(pname, "boot") || !strcmp(pname, "recovery")) {
-				if (memcmp((void *)data, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
-					fastboot_fail("image is not a boot image");
-					return;
-				}
-			}
-
-			if(!lun_set)
-			{
-				lun = partition_get_lun(index);
-				mmc_set_lun(lun);
-			}
-
-			size = partition_get_size(index);
-			if (ROUND_TO_PAGE(sz,511) > size) {
-				fastboot_fail("size too large");
-				return;
-			}
-			else if (mmc_write(ptn , sz, (unsigned int *)data)) {
-				fastboot_fail("flash write failure");
-				return;
-			}
-		}
-	}
-	fastboot_okay("");
-	return;
-}
-
 void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
 {
 	unsigned int chunk;
@@ -2016,628 +203,3 @@  void cmd_flash_mmc_sparse_img(const char *arg, void *data, unsigned sz)
 	fastboot_okay("");
 	return;
 }
-
-void cmd_flash_mmc(const char *arg, void *data, unsigned sz)
-{
-	sparse_header_t *sparse_header;
-	/* 8 Byte Magic + 2048 Byte xml + Encrypted Data */
-	unsigned int *magic_number = (unsigned int *) data;
-
-#ifdef SSD_ENABLE
-	int              ret=0;
-	uint32           major_version=0;
-	uint32           minor_version=0;
-
-	ret = scm_svc_version(&major_version,&minor_version);
-	if(!ret)
-	{
-		if(major_version >= 2)
-		{
-			if( !strcmp(arg, "ssd") || !strcmp(arg, "tqs") )
-			{
-				ret = encrypt_scm((uint32 **) &data, &sz);
-				if (ret != 0) {
-					dprintf(CRITICAL, "ERROR: Encryption Failure\n");
-					return;
-				}
-
-				/* Protect only for SSD */
-				if (!strcmp(arg, "ssd")) {
-					ret = scm_protect_keystore((uint32 *) data, sz);
-					if (ret != 0) {
-						dprintf(CRITICAL, "ERROR: scm_protect_keystore Failed\n");
-						return;
-					}
-				}
-			}
-			else
-			{
-				ret = decrypt_scm_v2((uint32 **) &data, &sz);
-				if(ret != 0)
-				{
-					dprintf(CRITICAL,"ERROR: Decryption Failure\n");
-					return;
-				}
-			}
-		}
-		else
-		{
-			if (magic_number[0] == DECRYPT_MAGIC_0 &&
-			magic_number[1] == DECRYPT_MAGIC_1)
-			{
-				ret = decrypt_scm((uint32 **) &data, &sz);
-				if (ret != 0) {
-					dprintf(CRITICAL, "ERROR: Invalid secure image\n");
-					return;
-				}
-			}
-			else if (magic_number[0] == ENCRYPT_MAGIC_0 &&
-				magic_number[1] == ENCRYPT_MAGIC_1)
-			{
-				ret = encrypt_scm((uint32 **) &data, &sz);
-				if (ret != 0) {
-					dprintf(CRITICAL, "ERROR: Encryption Failure\n");
-					return;
-				}
-			}
-		}
-	}
-	else
-	{
-		dprintf(CRITICAL,"INVALID SVC Version\n");
-		return;
-	}
-#endif /* SSD_ENABLE */
-
-	sparse_header = (sparse_header_t *) data;
-	if (sparse_header->magic != SPARSE_HEADER_MAGIC)
-		cmd_flash_mmc_img(arg, data, sz);
-	else
-		cmd_flash_mmc_sparse_img(arg, data, sz);
-	return;
-}
-
-void cmd_flash(const char *arg, void *data, unsigned sz)
-{
-	struct ptentry *ptn;
-	struct ptable *ptable;
-	unsigned extra = 0;
-
-	ptable = flash_get_ptable();
-	if (ptable == NULL) {
-		fastboot_fail("partition table doesn't exist");
-		return;
-	}
-
-	ptn = ptable_find(ptable, arg);
-	if (ptn == NULL) {
-		fastboot_fail("unknown partition name");
-		return;
-	}
-
-	if (!strcmp(ptn->name, "boot") || !strcmp(ptn->name, "recovery")) {
-		if (memcmp((void *)data, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
-			fastboot_fail("image is not a boot image");
-			return;
-		}
-	}
-
-	if (!strcmp(ptn->name, "system")
-		|| !strcmp(ptn->name, "userdata")
-		|| !strcmp(ptn->name, "persist")
-		|| !strcmp(ptn->name, "recoveryfs")
-		|| !strcmp(ptn->name, "modem"))
-	{
-		if (memcmp((void *)data, UBI_MAGIC, UBI_MAGIC_SIZE))
-			extra = 1;
-		else
-			extra = 0;
-	}
-	else
-		sz = ROUND_TO_PAGE(sz, page_mask);
-
-	dprintf(INFO, "writing %d bytes to '%s'\n", sz, ptn->name);
-	if (flash_write(ptn, extra, data, sz)) {
-		fastboot_fail("flash write failure");
-		return;
-	}
-	dprintf(INFO, "partition '%s' updated\n", ptn->name);
-	fastboot_okay("");
-}
-
-void cmd_continue(const char *arg, void *data, unsigned sz)
-{
-	fastboot_okay("");
-	fastboot_stop();
-	if (target_is_emmc_boot())
-	{
-		boot_linux_from_mmc();
-	}
-	else
-	{
-		boot_linux_from_flash();
-	}
-}
-
-void cmd_reboot(const char *arg, void *data, unsigned sz)
-{
-	dprintf(INFO, "rebooting the device\n");
-	fastboot_okay("");
-	reboot_device(0);
-}
-
-void cmd_reboot_bootloader(const char *arg, void *data, unsigned sz)
-{
-	dprintf(INFO, "rebooting the device\n");
-	fastboot_okay("");
-	reboot_device(FASTBOOT_MODE);
-}
-
-void cmd_oem_enable_charger_screen(const char *arg, void *data, unsigned size)
-{
-	dprintf(INFO, "Enabling charger screen check\n");
-	device.charger_screen_enabled = 1;
-	write_device_info(&device);
-	fastboot_okay("");
-}
-
-void cmd_oem_disable_charger_screen(const char *arg, void *data, unsigned size)
-{
-	dprintf(INFO, "Disabling charger screen check\n");
-	device.charger_screen_enabled = 0;
-	write_device_info(&device);
-	fastboot_okay("");
-}
-
-void cmd_oem_select_display_panel(const char *arg, void *data, unsigned size)
-{
-	dprintf(INFO, "Selecting display panel %s\n", arg);
-	if (arg)
-		strlcpy(device.display_panel, arg,
-			sizeof(device.display_panel));
-	write_device_info(&device);
-	fastboot_okay("");
-}
-
-void cmd_oem_unlock(const char *arg, void *data, unsigned sz)
-{
-	if(!device.is_unlocked)
-	{
-		device.is_unlocked = 1;
-		write_device_info(&device);
-	}
-	fastboot_okay("");
-}
-
-void cmd_oem_devinfo(const char *arg, void *data, unsigned sz)
-{
-	char response[128];
-	snprintf(response, sizeof(response), "\tDevice tampered: %s", (device.is_tampered ? "true" : "false"));
-	fastboot_info(response);
-	snprintf(response, sizeof(response), "\tDevice unlocked: %s", (device.is_unlocked ? "true" : "false"));
-	fastboot_info(response);
-	snprintf(response, sizeof(response), "\tCharger screen enabled: %s", (device.charger_screen_enabled ? "true" : "false"));
-	fastboot_info(response);
-	snprintf(response, sizeof(response), "\tDisplay panel: %s", (device.display_panel));
-	fastboot_info(response);
-	fastboot_okay("");
-}
-
-void cmd_preflash(const char *arg, void *data, unsigned sz)
-{
-	fastboot_okay("");
-}
-
-static struct fbimage logo_header = {0};
-struct fbimage* splash_screen_flash();
-
-int splash_screen_check_header(struct fbimage *logo)
-{
-	if (memcmp(logo->header.magic, LOGO_IMG_MAGIC, 8))
-		return -1;
-	if (logo->header.width == 0 || logo->header.height == 0)
-		return -1;
-	return 0;
-}
-
-struct fbimage* splash_screen_flash()
-{
-	struct ptentry *ptn;
-	struct ptable *ptable;
-	struct fbcon_config *fb_display = NULL;
-	struct fbimage *logo = &logo_header;
-
-
-	ptable = flash_get_ptable();
-	if (ptable == NULL) {
-	dprintf(CRITICAL, "ERROR: Partition table not found\n");
-	return NULL;
-	}
-	ptn = ptable_find(ptable, "splash");
-	if (ptn == NULL) {
-		dprintf(CRITICAL, "ERROR: splash Partition not found\n");
-		return NULL;
-	}
-
-	if (flash_read(ptn, 0,(unsigned int *) logo, sizeof(logo->header))) {
-		dprintf(CRITICAL, "ERROR: Cannot read boot image header\n");
-		return NULL;
-	}
-
-	if (splash_screen_check_header(logo)) {
-		dprintf(CRITICAL, "ERROR: Boot image header invalid\n");
-		return NULL;
-	}
-
-	fb_display = fbcon_display();
-	if (fb_display) {
-		uint8_t *base = (uint8_t *) fb_display->base;
-		if (logo->header.width != fb_display->width || logo->header.height != fb_display->height) {
-				base += LOGO_IMG_OFFSET;
-		}
-
-		if (flash_read(ptn + sizeof(logo->header), 0,
-			base,
-			((((logo->header.width * logo->header.height * fb_display->bpp/8) + 511) >> 9) << 9))) {
-			fbcon_clear();
-			dprintf(CRITICAL, "ERROR: Cannot read splash image\n");
-			return NULL;
-		}
-		logo->image = base;
-	}
-
-	return logo;
-}
-
-struct fbimage* splash_screen_mmc()
-{
-	int index = INVALID_PTN;
-	unsigned long long ptn = 0;
-	struct fbcon_config *fb_display = NULL;
-	struct fbimage *logo = &logo_header;
-
-	index = partition_get_index("splash");
-	if (index == 0) {
-		dprintf(CRITICAL, "ERROR: splash Partition table not found\n");
-		return NULL;
-	}
-
-	ptn = partition_get_offset(index);
-	if (ptn == 0) {
-		dprintf(CRITICAL, "ERROR: splash Partition invalid\n");
-		return NULL;
-	}
-
-	if (mmc_read(ptn, (unsigned int *) logo, sizeof(logo->header))) {
-		dprintf(CRITICAL, "ERROR: Cannot read splash image header\n");
-		return NULL;
-	}
-
-	if (splash_screen_check_header(logo)) {
-		dprintf(CRITICAL, "ERROR: Splash image header invalid\n");
-		return NULL;
-	}
-
-	fb_display = fbcon_display();
-	if (fb_display) {
-		uint8_t *base = (uint8_t *) fb_display->base;
-		if (logo->header.width != fb_display->width || logo->header.height != fb_display->height)
-				base += LOGO_IMG_OFFSET;
-
-		if (mmc_read(ptn + sizeof(logo->header),
-			base,
-			((((logo->header.width * logo->header.height * fb_display->bpp/8) + 511) >> 9) << 9))) {
-			fbcon_clear();
-			dprintf(CRITICAL, "ERROR: Cannot read splash image\n");
-			return NULL;
-		}
-
-		logo->image = base;
-	}
-
-	return logo;
-}
-
-
-struct fbimage* fetch_image_from_partition()
-{
-	if (target_is_emmc_boot()) {
-		return splash_screen_mmc();
-	} else {
-		return splash_screen_flash();
-	}
-}
-
-/* Get the size from partiton name */
-static void get_partition_size(const char *arg, char *response)
-{
-	uint64_t ptn = 0;
-	uint64_t size;
-	int index = INVALID_PTN;
-
-	index = partition_get_index(arg);
-
-	if (index == INVALID_PTN)
-	{
-		dprintf(CRITICAL, "Invalid partition index\n");
-		return;
-	}
-
-	ptn = partition_get_offset(index);
-
-	if(!ptn)
-	{
-		dprintf(CRITICAL, "Invalid partition name %s\n", arg);
-		return;
-	}
-
-	size = partition_get_size(index);
-
-	snprintf(response, MAX_RSP_SIZE, "\t 0x%llx", size);
-	return;
-}
-
-/*
- * Publish the partition type & size info
- * fastboot getvar will publish the required information.
- * fastboot getvar partition_size:<partition_name>: partition size in hex
- * fastboot getvar partition_type:<partition_name>: partition type (ext/fat)
- */
-static void publish_getvar_partition_info(struct getvar_partition_info *info, uint8_t num_parts)
-{
-	uint8_t i;
-
-	for (i = 0; i < num_parts; i++) {
-		get_partition_size(info[i].part_name, info[i].size_response);
-
-		if (strlcat(info[i].getvar_size, info[i].part_name, MAX_GET_VAR_NAME_SIZE) >= MAX_GET_VAR_NAME_SIZE)
-		{
-			dprintf(CRITICAL, "partition size name truncated\n");
-			return;
-		}
-		if (strlcat(info[i].getvar_type, info[i].part_name, MAX_GET_VAR_NAME_SIZE) >= MAX_GET_VAR_NAME_SIZE)
-		{
-			dprintf(CRITICAL, "partition type name truncated\n");
-			return;
-		}
-
-		/* publish partition size & type info */
-		fastboot_publish((const char *) info[i].getvar_size, (const char *) info[i].size_response);
-		fastboot_publish((const char *) info[i].getvar_type, (const char *) info[i].type_response);
-	}
-}
-
-/* register commands and variables for fastboot */
-void aboot_fastboot_register_commands(void)
-{
-	if (target_is_emmc_boot())
-	{
-		fastboot_register("flash:", cmd_flash_mmc);
-		fastboot_register("erase:", cmd_erase_mmc);
-	}
-	else
-	{
-		fastboot_register("flash:", cmd_flash);
-		fastboot_register("erase:", cmd_erase);
-	}
-
-	fastboot_register("boot",              cmd_boot);
-	fastboot_register("continue",          cmd_continue);
-	fastboot_register("reboot",            cmd_reboot);
-	fastboot_register("reboot-bootloader", cmd_reboot_bootloader);
-	fastboot_register("oem unlock",        cmd_oem_unlock);
-	fastboot_register("oem device-info",   cmd_oem_devinfo);
-	fastboot_register("preflash",          cmd_preflash);
-	fastboot_register("oem enable-charger-screen",
-			cmd_oem_enable_charger_screen);
-	fastboot_register("oem disable-charger-screen",
-			cmd_oem_disable_charger_screen);
-	fastboot_register("oem select-display-panel",
-			cmd_oem_select_display_panel);
-	/* publish variables and their values */
-	fastboot_publish("product",  TARGET(BOARD));
-	fastboot_publish("kernel",   "lk");
-	fastboot_publish("serialno", sn_buf);
-
-	/*
-	 * partition info is supported only for emmc partitions
-	 * Calling this for NAND prints some error messages which
-	 * is harmless but misleading. Avoid calling this for NAND
-	 * devices.
-	 */
-	if (target_is_emmc_boot())
-		publish_getvar_partition_info(part_info, ARRAY_SIZE(part_info));
-
-	/* Max download size supported */
-	snprintf(max_download_size, MAX_RSP_SIZE, "\t0x%x",
-			target_get_max_flash_size());
-	fastboot_publish("max-download-size", (const char *) max_download_size);
-	/* Is the charger screen check enabled */
-	snprintf(charger_screen_enabled, MAX_RSP_SIZE, "%d",
-			device.charger_screen_enabled);
-	fastboot_publish("charger-screen-enabled",
-			(const char *) charger_screen_enabled);
-	snprintf(panel_display_mode, MAX_RSP_SIZE, "%s",
-			device.display_panel);
-	fastboot_publish("display-panel",
-			(const char *) panel_display_mode);
-}
-
-void aboot_init(const struct app_descriptor *app)
-{
-	unsigned reboot_mode = 0;
-	bool boot_into_fastboot = false;
-
-	/* Setup page size information for nv storage */
-	if (target_is_emmc_boot())
-	{
-		page_size = mmc_page_size();
-		page_mask = page_size - 1;
-	}
-	else
-	{
-		page_size = flash_page_size();
-		page_mask = page_size - 1;
-	}
-
-	ASSERT((MEMBASE + MEMSIZE) > MEMBASE);
-
-	read_device_info(&device);
-
-	/* Display splash screen if enabled */
-#if DISPLAY_SPLASH_SCREEN
-	dprintf(SPEW, "Display Init: Start\n");
-	target_display_init(device.display_panel);
-	dprintf(SPEW, "Display Init: Done\n");
-#endif
-
-
-	target_serialno((unsigned char *) sn_buf);
-	dprintf(SPEW,"serial number: %s\n",sn_buf);
-
-	memset(display_panel_buf, '\0', MAX_PANEL_BUF_SIZE);
-
-	/* Check if we should do something other than booting up */
-	if (keys_get_state(KEY_VOLUMEUP) && keys_get_state(KEY_VOLUMEDOWN))
-	{
-		dprintf(ALWAYS,"dload mode key sequence detected\n");
-		if (set_download_mode(EMERGENCY_DLOAD))
-		{
-			dprintf(CRITICAL,"dload mode not supported by target\n");
-		}
-		else
-		{
-			reboot_device(DLOAD);
-			dprintf(CRITICAL,"Failed to reboot into dload mode\n");
-		}
-		boot_into_fastboot = true;
-	}
-	if (!boot_into_fastboot)
-	{
-		if (keys_get_state(KEY_HOME) || keys_get_state(KEY_VOLUMEUP))
-			boot_into_recovery = 1;
-		if (!boot_into_recovery &&
-			(keys_get_state(KEY_BACK) || keys_get_state(KEY_VOLUMEDOWN)))
-			boot_into_fastboot = true;
-	}
-	#if NO_KEYPAD_DRIVER
-	if (fastboot_trigger())
-		boot_into_fastboot = true;
-	#endif
-
-	reboot_mode = check_reboot_mode();
-	if (reboot_mode == RECOVERY_MODE) {
-		boot_into_recovery = 1;
-	} else if(reboot_mode == FASTBOOT_MODE) {
-		boot_into_fastboot = true;
-	}
-
-	if (!boot_into_fastboot)
-	{
-		if (target_is_emmc_boot())
-		{
-			if(emmc_recovery_init())
-				dprintf(ALWAYS,"error in emmc_recovery_init\n");
-			if(target_use_signed_kernel())
-			{
-				if((device.is_unlocked) || (device.is_tampered))
-				{
-				#ifdef TZ_TAMPER_FUSE
-					set_tamper_fuse_cmd();
-				#endif
-				#if USE_PCOM_SECBOOT
-					set_tamper_flag(device.is_tampered);
-				#endif
-				}
-			}
-			boot_linux_from_mmc();
-		}
-		else
-		{
-			recovery_init();
-	#if USE_PCOM_SECBOOT
-		if((device.is_unlocked) || (device.is_tampered))
-			set_tamper_flag(device.is_tampered);
-	#endif
-			boot_linux_from_flash();
-		}
-		dprintf(CRITICAL, "ERROR: Could not do normal boot. Reverting "
-			"to fastboot mode.\n");
-	}
-
-	/* We are here means regular boot did not happen. Start fastboot. */
-
-	/* register aboot specific fastboot commands */
-	aboot_fastboot_register_commands();
-
-	/* dump partition table for debug info */
-	partition_dump();
-
-	/* initialize and start fastboot */
-	fastboot_init(target_get_scratch_address(), target_get_max_flash_size());
-}
-
-uint32_t get_page_size()
-{
-	return page_size;
-}
-
-/*
- * Calculated and save hash (SHA256) for non-signed boot image.
- *
- * Hash the same data that is checked on the signed boot image.
- * Kernel and Ramdisk are already read to memory buffers.
- * Need to read the entire device-tree from mmc
- * since non-signed image only read the DT tags of the relevant platform.
- *
- * @param kernel_addr - kernel bufer
- * @param kernel_actual - kernel size in bytes
- * @param ramdisk_addr - ramdisk buffer
- * @param ramdisk_actual - ramdisk size
- * @param ptn - partition
- * @param dt_offset - device tree offset on mmc partition
- * @param dt_size
- *
- * @return int - 0 on success, negative value on failure.
- */
-int aboot_save_boot_hash_mmc(void *kernel_addr, unsigned kernel_actual,
-		   void *ramdisk_addr, unsigned ramdisk_actual,
-		   unsigned long long ptn,
-		   unsigned dt_offset, unsigned dt_size)
-{
-	SHA256_CTX sha256_ctx;
-	char digest[32]={0};
-	char *buf = (char *)target_get_scratch_address();
-	unsigned dt_actual = ROUND_TO_PAGE(dt_size, page_mask);
-	unsigned imagesize_actual = page_size + kernel_actual + ramdisk_actual + dt_actual;
-
-	SHA256_Init(&sha256_ctx);
-
-	/* Read Boot Header */
-	if (mmc_read(ptn, buf, page_size))
-	{
-		dprintf(CRITICAL, "ERROR: mmc_read() fail.\n");
-		return -1;
-	}
-	/* Read entire Device Tree */
-	if (mmc_read(ptn + dt_offset, buf+page_size, dt_actual))
-	{
-		dprintf(CRITICAL, "ERROR: mmc_read() fail.\n");
-		return -1;
-	}
-	SHA256_Update(&sha256_ctx, buf, page_size); // Boot Header
-	SHA256_Update(&sha256_ctx, kernel_addr, kernel_actual);
-	SHA256_Update(&sha256_ctx, ramdisk_addr, ramdisk_actual);
-	SHA256_Update(&sha256_ctx, buf+page_size, dt_actual); // Device Tree
-
-	SHA256_Final(digest, &sha256_ctx);
-
-	save_kernel_hash_cmd(digest);
-	dprintf(INFO, "aboot_save_boot_hash_mmc: imagesize_actual size %d bytes.\n", (int) imagesize_actual);
-
-	return 0;
-}
-
-APP_START(aboot)
-	.init = aboot_init,
-APP_END