Merge "aboot: mdtp : Add generic MTDP image file" into lk.lnx.1.0-dev.1.0
diff --git a/app/aboot/mdtp.c b/app/aboot/mdtp.c
index d44efa3..a2d52bf 100644
--- a/app/aboot/mdtp.c
+++ b/app/aboot/mdtp.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -42,6 +42,8 @@
 #include <image_verify.h>
 #include "scm.h"
 #include "mdtp.h"
+#include "mdtp_fs.h"
+
 
 #define DIP_ENCRYPT              (0)
 #define DIP_DECRYPT              (1)
@@ -208,6 +210,12 @@
 
 	/* calculating the hash value using HW crypto */
 	target_crypto_init_params();
+
+	if(strcmp(name, "mdtp") == 0){
+		buf[0] = 0; // removes first byte
+		dprintf(INFO, "mdtp: verify_partition_single_hash: removes 1st byte\n");
+	}
+
 	hash_find(buf, size, digest, CRYPTO_AUTH_ALG_SHA256);
 
 	if (memcmp(digest, hash_table->hash, HASH_LEN))
@@ -383,6 +391,11 @@
 	return 0;
 }
 
+/* Display the recovery UI in case mdtp image is corrupted */
+static void display_mdtp_fail_recovery_ui(){
+	display_error_msg_mdtp();
+}
+
 /* Display the recovery UI to allow the user to enter the PIN and continue boot */
 static void display_recovery_ui(mdtp_cfg_t *mdtp_cfg)
 {
@@ -554,6 +567,7 @@
 {
 	int i;
 	int verify_failure = 0;
+	int verify_temp_result = 0;
 	int ext_partition_verify_failure = 0;
 	uint32_t total_num_blocks;
 
@@ -579,6 +593,7 @@
 		{
 			for(i=0; i<MAX_PARTITIONS; i++)
 			{
+				verify_temp_result = 0;
 				if(dip->partition_cfg[i].lock_enabled && dip->partition_cfg[i].size)
 				{
 					total_num_blocks = ((dip->partition_cfg[i].size - 1) / MDTP_FWLOCK_BLOCK_SIZE);
@@ -591,12 +606,18 @@
 						break;
 					}
 
-					verify_failure |= (verify_partition(dip->partition_cfg[i].name,
+					verify_temp_result |= (verify_partition(dip->partition_cfg[i].name,
 							dip->partition_cfg[i].size,
 							dip->partition_cfg[i].hash_mode,
 							(dip->partition_cfg[i].verify_ratio * total_num_blocks) / 100,
 							dip->partition_cfg[i].hash_table,
 							dip->partition_cfg[i].force_verify_block) != 0);
+
+					if((verify_temp_result) && (strcmp("mdtp",dip->partition_cfg[i].name) == 0)){
+						*verify_result = VERIFY_MDTP_FAILED;
+					}
+
+					verify_failure |= verify_temp_result;
 				}
 			}
 
@@ -680,7 +701,13 @@
 	else if (verify_result  == VERIFY_SKIPPED)
 	{
 		dprintf(SPEW, "mdtp: validate_DIP_and_firmware: Verify skipped\n");
-	} else /* VERIFY_FAILED */
+	}
+	else if(verify_result  == VERIFY_MDTP_FAILED)
+	{
+		dprintf(CRITICAL, "mdtp: validate_DIP_and_firmware: ERROR, corrupted mdtp image\n");
+		display_mdtp_fail_recovery_ui();
+	}
+	else /* VERIFY_FAILED */
 	{
 		dprintf(CRITICAL, "mdtp: validate_DIP_and_firmware: ERROR, corrupted firmware\n");
 		display_recovery_ui(&mdtp_cfg);
@@ -694,6 +721,7 @@
 	return;
 }
 
+
 /********************************************************************************/
 
 /** Entry point of the MDTP Firmware Lock.
@@ -707,6 +735,10 @@
 	int ret;
 	bool enabled;
 
+	if(mdtp_fs_init() != 0){
+		dprintf(CRITICAL, "mdtp: mdtp_img: ERROR, image file could not be loaded\n");
+		display_error_msg_mdtp(); /* This will never return */
+	}
 	/* sets the default value of this global to be MDTP not activated */
 	is_mdtp_activated = 0;
 
diff --git a/app/aboot/mdtp.h b/app/aboot/mdtp.h
index 03e3b7c..88eff44 100644
--- a/app/aboot/mdtp.h
+++ b/app/aboot/mdtp.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -137,6 +137,7 @@
 	VERIFY_SKIPPED = 0,
 	VERIFY_OK,
 	VERIFY_FAILED,
+	VERIFY_MDTP_FAILED,
 } verify_result_t;
 
 /**
@@ -185,6 +186,15 @@
 void display_error_msg();
 
 /**
+ * display_error_msg_mdtp
+ *
+ * Display error message in case mdtp image corrupted and stop boot process.
+ *
+ * @return - None.
+ */
+void display_error_msg_mdtp();
+
+/**
  * mdtp_activated
  *
  * Indicates whether the MDTP is currently in ACTIVATED state.
diff --git a/app/aboot/mdtp_defs.c b/app/aboot/mdtp_defs.c
index d9eb903..b246e50 100644
--- a/app/aboot/mdtp_defs.c
+++ b/app/aboot/mdtp_defs.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -30,42 +30,6 @@
 #include <compiler.h>
 #include "mdtp_defs.h"
 
-struct mdtp_ui_defs mdtp_ui_defs_default = {
-        // Image dimensions
-        1412,     // error_msg_width;
-        212,      // error_msg_height;
-        1364,     // main_text_width;
-        288,      // main_text_height;
-        180,      // pin_digit_width;
-        180,      // pin_digit_height;
-        644,      // ok_button_width;
-        158,      // ok_button_height;
-        1384,     // digits_instructions_width;
-        166,      // digits_instructions_height;
-        920,      // pin_instructions_width;
-        204,      // pin_instructions_height;
-
-        // Image offsets
-        0x1000,   // error_msg_offset;
-        0xDD000,  // initial_delay_offset;
-        0x1FD000, // enter_pin_offset;
-        0x31D000, // invalid_pin_offset;
-        0x43D000, // pin_digit_0_offset;
-        0x18000,  // pin_digits_offset;
-        0x52D000, // pin_selected_digit_0_offset;
-        0x61D000, // ok_button_offset;
-        0x668000, // selected_ok_button_offset;
-        0x6B3000, // digits_instructions_offset;
-        0x75C000, // pin_instructions_offset;
-
-        //Display settings
-        12        // mdtp_digit_space;
-};
-
-__WEAK struct mdtp_ui_defs mdtp_get_target_ui_defs()
-{
-    return mdtp_ui_defs_default;
-}
 
 __WEAK int mdtp_get_target_efuse(struct mdtp_target_efuse* target_efuse)
 {
diff --git a/app/aboot/mdtp_defs.h b/app/aboot/mdtp_defs.h
index 9fe05ae..b5551ce 100644
--- a/app/aboot/mdtp_defs.h
+++ b/app/aboot/mdtp_defs.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -29,44 +29,10 @@
 
 #include <stdlib.h>
 
-struct mdtp_ui_defs {
-
-    // Image dimensions
-    uint32_t error_msg_width;
-    uint32_t error_msg_height;
-    uint32_t main_text_width;
-    uint32_t main_text_height;
-    uint32_t pin_digit_width;
-    uint32_t pin_digit_height;
-    uint32_t ok_button_width;
-    uint32_t ok_button_height;
-    uint32_t digits_instructions_width;
-    uint32_t digits_instructions_height;
-    uint32_t pin_instructions_width;
-    uint32_t pin_instructions_height;
-
-    // Image offsets
-    uint32_t error_msg_offset;
-    uint32_t initial_delay_offset;
-    uint32_t enter_pin_offset;
-    uint32_t invalid_pin_offset;
-    uint32_t pin_digit_0_offset;
-    uint32_t pin_digits_offset;
-    uint32_t pin_selected_digit_0_offset;
-    uint32_t ok_button_offset;
-    uint32_t selected_ok_button_offset;
-    uint32_t digits_instructions_offset;
-    uint32_t pin_instructions_offset;
-
-    //Display settings
-    uint32_t digit_space;
-};
-
 struct mdtp_target_efuse {
     uint32_t address;
     uint32_t start;
 };
 
-struct mdtp_ui_defs mdtp_get_target_ui_defs();
 
 int mdtp_get_target_efuse(struct mdtp_target_efuse* target_efuse);
diff --git a/app/aboot/mdtp_fs.c b/app/aboot/mdtp_fs.c
new file mode 100644
index 0000000..b848c7a
--- /dev/null
+++ b/app/aboot/mdtp_fs.c
@@ -0,0 +1,115 @@
+/* Copyright (c) 2015-2016, The Linux Foundation. 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.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * 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 <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <debug.h>
+#include <dev/fbcon.h>
+#include <target.h>
+#include <mmc.h>
+#include <partition_parser.h>
+#include <string.h>
+#include "mdtp.h"
+#include "mdtp_fs.h"
+
+/*---------------------------------------------------------
+ * Global Variables
+ *-------------------------------------------------------*/
+static mdtp_image_t mdtp_img;
+
+/*---------------------------------------------------------
+ * External Functions
+ *-------------------------------------------------------*/
+
+uint32_t get_image_offset(mdtp_image_id_t img){
+	return mdtp_img.meta_data.image_params[img].offset;
+}
+
+uint32_t get_image_width(mdtp_image_id_t img){
+	return mdtp_img.meta_data.image_params[img].width;
+}
+
+uint32_t get_image_height(mdtp_image_id_t img){
+	return mdtp_img.meta_data.image_params[img].height;
+}
+
+uint32_t mdtp_fs_get_param(mdtp_parameter_id_t param){
+	return mdtp_img.meta_data.params[param];
+}
+
+
+int mdtp_fs_init(){
+	int index = INVALID_PTN;
+	unsigned long long ptn = 0;
+	int i = 0;
+	uint32_t block_size = mmc_get_device_blocksize();
+
+	index = partition_get_index("mdtp");
+	if (index == 0) {
+		dprintf(CRITICAL, "ERROR: mdtp Partition table not found\n");
+		return 1;
+	}
+
+	ptn = partition_get_offset(index);
+	mmc_set_lun(partition_get_lun(index));
+
+	if (ptn == 0) {
+		dprintf(CRITICAL, "ERROR: mdtp Partition invalid\n");
+		return 1;
+	}
+
+	for(i = 0; i< MAX_PARAMS; i++) {
+		mdtp_img.meta_data.params[i] = -1; //Initiate params for errors check
+	}
+
+	uint8_t *base = memalign(block_size, ROUNDUP(MDTP_HEADER_LEN, block_size));
+	if (!base) {
+		dprintf(CRITICAL, "ERROR: mdtp malloc failed\n");
+		return 1;
+	}
+
+	// read image meta data
+	if (mmc_read(ptn, (void*)base, MDTP_HEADER_LEN)) {
+		dprintf(CRITICAL, "ERROR: mdtp meta data read failed\n");
+		free(base);
+		return 1;
+	}
+
+	uint32_t params_size = MAX_PARAMS * sizeof(uint32_t);
+	uint32_t images_params_size = MAX_IMAGES*sizeof(mdtp_image_params_t);
+	memscpy(mdtp_img.meta_data.params, sizeof(mdtp_img.meta_data.params), base, params_size);
+	memscpy(mdtp_img.meta_data.image_params, META_DATA_PARTITION_LEN,
+			base + sizeof(mdtp_img.meta_data.params), images_params_size);
+
+	dprintf(INFO, "mdtp: mdtp_img loaded\n");
+
+	free(base);
+	return 0;
+}
+
diff --git a/app/aboot/mdtp_fs.h b/app/aboot/mdtp_fs.h
new file mode 100644
index 0000000..33ddf55
--- /dev/null
+++ b/app/aboot/mdtp_fs.h
@@ -0,0 +1,110 @@
+/* Copyright (c) 2015-2016, The Linux Foundation. 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.
+ *   * Neither the name of The Linux Foundation nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * 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.
+ */
+
+#ifndef MDTP_FS_H
+#define MDTP_FS_H
+
+#define MAX_IMAGES					(40)
+#define MDTP_HEADER_LEN 			(4096)
+#define META_DATA_PARTITION_LEN		(2048)
+#define MAX_PARAMS 					(512)
+/*
+MDTP header layout:
+-The mdtp_img header is a fixed length of 4096 Bytes.
+-The mdtp_img header is devided into 2 partitions:
+	1.MDTP parameters (eFuse, digit-space, etc..)
+	2.Images meta-data (offset, width, height)
+-Each partition size is 2048 Bytes.
+-Each parameter is 4 Bytes long, 512 params MAX.
+-Each meta-data part (offset/width/height) is 4 Bytes long.
+*/
+
+
+/* Standalone parameters */
+typedef struct mdtp_image_params {
+	uint32_t offset;
+	uint32_t width;
+	uint32_t height;
+} mdtp_image_params_t;
+
+/* Image parameters */
+typedef struct mdtp_meta_data {
+	uint32_t params[MAX_PARAMS];
+	mdtp_image_params_t image_params[MAX_IMAGES];
+} mdtp_meta_data_t;
+
+/*To make sure the header len is exactly MDTP_HEADER */
+typedef union mdtp_image {
+	mdtp_meta_data_t meta_data;
+	uint8_t header[MDTP_HEADER_LEN];
+} mdtp_image_t;
+
+
+typedef enum{ACCEPTEDIT_TEXT = 0, ALERT_MESSAGE = 1, BTN_OK_OFF = 2,
+	BTN_OK_ON = 3, MAINTEXT_5SECONDS = 4, MAINTEXT_ENTERPIN = 5,
+	MAINTEXT_INCORRECTPIN = 6, PINTEXT = 7,
+	PIN_SELECTED_0 = 8, PIN_SELECTED_1 = 9, PIN_SELECTED_2 = 10, PIN_SELECTED_3 = 11,
+	PIN_SELECTED_4 = 12, PIN_SELECTED_5 = 13, PIN_SELECTED_6 = 14,
+	PIN_SELECTED_7  = 15, PIN_SELECTED_8 = 16, PIN_SELECTED_9 = 17,
+	PIN_UNSELECTED_0 = 18, PIN_UNSELECTED_1 = 19, PIN_UNSELECTED_2 = 20,
+	PIN_UNSELECTED_3 = 21, PIN_UNSELECTED_4 = 22, PIN_UNSELECTED_5 = 23,
+	PIN_UNSELECTED_6 = 24, PIN_UNSELECTED_7 = 25,
+	PIN_UNSELECTED_8 = 26, PIN_UNSELECTED_9 = 27} mdtp_image_id_t;
+
+typedef enum {VIRTUAL_FUSE = 0, DIGIT_SPACE = 1} mdtp_parameter_id_t ;
+
+/*---------------------------------------------------------
+ * External Functions
+ *-------------------------------------------------------*/
+
+/**
+ * Returns an image offset
+ */
+uint32_t get_image_offset(mdtp_image_id_t img);
+
+/**
+ * Returns an image width
+ */
+uint32_t get_image_width(mdtp_image_id_t img);
+
+/**
+ * Returns an image height
+ */
+uint32_t get_image_height(mdtp_image_id_t img);
+
+/**
+ * returns a parameter value
+ */
+uint32_t mdtp_fs_get_param(mdtp_parameter_id_t  param);
+
+/**
+ * Loads MDTP image meta data from EMMC
+ */
+int mdtp_fs_init();
+
+#endif /* MDTP_FS_H */
diff --git a/app/aboot/mdtp_fuse.c b/app/aboot/mdtp_fuse.c
index 7f67661..439fb73 100644
--- a/app/aboot/mdtp_fuse.c
+++ b/app/aboot/mdtp_fuse.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -28,7 +28,6 @@
 
 #include <debug.h>
 #include <target.h>
-#include <mmc.h>
 #include <partition_parser.h>
 #include <string.h>
 #include <stdlib.h>
@@ -36,6 +35,7 @@
 #include "mdtp.h"
 #include "mdtp_defs.h"
 #include "scm.h"
+#include "mdtp_fs.h"
 
 #define MAX_METADATA_SIZE       (0x1000)
 
@@ -105,45 +105,18 @@
 
 /**
  * Read the Firmware Lock Metadata from EMMC
- *
  * @param metadata - Read a metadata block holding eFuse emulation from MDTP partition.
- *
  * @return - negative value for an error, 0 for success.
  */
 static int read_metadata(metadata_t *metadata)
 {
-	unsigned long long ptn = 0;
-	uint32_t actual_size;
-	int index = INVALID_PTN;
-	uint32_t block_size = mmc_get_device_blocksize();
-	unsigned char *buf = (unsigned char *)target_get_scratch_address() + MDTP_SCRATCH_OFFSET;
-
-	index = partition_get_index("mdtp");
-	ptn = partition_get_offset(index);
-
-	if(ptn == 0)
-	{
+	int eFuse = mdtp_fs_get_param(VIRTUAL_FUSE);
+	if(eFuse == -1){ //Error initiating eFuse
+		dprintf(CRITICAL, "mdtp: eFuse reading error\n");
 		return -1;
 	}
-
-	actual_size = ROUNDUP(sizeof(metadata_t), block_size);
-
-	if (actual_size > MAX_METADATA_SIZE)
-	{
-		dprintf(CRITICAL, "mdtp: read_metadata: ERROR, meta data size %d too big\n", actual_size);
-		return -1;
-	}
-
-	if(mmc_read(ptn, (void *)buf, actual_size))
-	{
-		dprintf(CRITICAL, "mdtp: read_metadata: ERROR, cannot read mdtp info\n");
-		return -1;
-	}
-
-	memscpy((uint8_t*)metadata, sizeof(metadata_t), (uint8_t*)(buf), MAX_METADATA_SIZE);
-
-	dprintf(INFO, "mdtp: read_metadata: SUCCESS, read %d bytes\n", actual_size);
-
+	metadata->eFuses.mask = (uint8_t)eFuse;
+	dprintf(INFO, "mdtp: read_metadata: SUCCESS \n");
 	return 0;
 }
 
diff --git a/app/aboot/mdtp_ui.c b/app/aboot/mdtp_ui.c
index 924c4fe..f03b818 100644
--- a/app/aboot/mdtp_ui.c
+++ b/app/aboot/mdtp_ui.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -35,6 +35,8 @@
 #include <string.h>
 #include "mdtp.h"
 #include "mdtp_defs.h"
+#include "mdtp_fs.h"
+#include <display_menu.h>
 
 // Image releative locations
 #define ERROR_MESSAGE_RELATIVE_Y_LOCATION   (0.18)
@@ -75,7 +77,6 @@
 static struct mdtp_fbimage *g_mdtp_header = NULL;
 static struct fbcon_config *fb_config = NULL;
 
-struct mdtp_ui_defs mdtp_ui_defs_data;
 
 /*----------------------------------------------------------------------------
  * Local Functions
@@ -257,10 +258,9 @@
 
     if (fb_config)
 	{
-        uint32_t x = CENTER_IMAGE_ON_X_AXIS(mdtp_ui_defs_data.error_msg_width,fb_config->width);
+        uint32_t x = CENTER_IMAGE_ON_X_AXIS(get_image_width(ALERT_MESSAGE),fb_config->width);
 		uint32_t y = ((fb_config->height)*ERROR_MESSAGE_RELATIVE_Y_LOCATION);
-
-        fbimg = mdtp_read_mmc_image(mdtp_ui_defs_data.error_msg_offset, mdtp_ui_defs_data.error_msg_width, mdtp_ui_defs_data.error_msg_height);
+        fbimg = mdtp_read_mmc_image(get_image_offset(ALERT_MESSAGE),get_image_width(ALERT_MESSAGE), get_image_height(ALERT_MESSAGE));
         if (NULL == fbimg)
         {
             dprintf(CRITICAL,"ERROR: failed to read error image from mmc\n");
@@ -309,10 +309,9 @@
  */
 static void display_initial_delay()
 {
-    uint32_t x = CENTER_IMAGE_ON_X_AXIS(mdtp_ui_defs_data.main_text_width,fb_config->width);
+	uint32_t x = CENTER_IMAGE_ON_X_AXIS(get_image_width(MAINTEXT_5SECONDS),fb_config->width);
 	uint32_t y = (fb_config->height)*MAIN_TEXT_RELATIVE_Y_LOCATION;
-
-	display_image(mdtp_ui_defs_data.initial_delay_offset, mdtp_ui_defs_data.main_text_width, mdtp_ui_defs_data.main_text_height, x, y);
+	display_image(get_image_offset(MAINTEXT_5SECONDS), get_image_width(MAINTEXT_5SECONDS), get_image_height(MAINTEXT_5SECONDS), x, y);
 }
 
 /**
@@ -320,10 +319,9 @@
  */
 static void display_enter_pin()
 {
-    uint32_t x = CENTER_IMAGE_ON_X_AXIS(mdtp_ui_defs_data.main_text_width,fb_config->width);
+	uint32_t x = CENTER_IMAGE_ON_X_AXIS(get_image_width(MAINTEXT_ENTERPIN),fb_config->width);
 	uint32_t y = (fb_config->height)*MAIN_TEXT_RELATIVE_Y_LOCATION;
-
-	display_image(mdtp_ui_defs_data.enter_pin_offset, mdtp_ui_defs_data.main_text_width, mdtp_ui_defs_data.main_text_height, x, y);
+	display_image(get_image_offset(MAINTEXT_ENTERPIN), get_image_width(MAINTEXT_ENTERPIN), get_image_height(MAINTEXT_ENTERPIN), x, y);
 }
 
 /**
@@ -331,10 +329,10 @@
  */
 static void display_invalid_pin()
 {
-    uint32_t x = CENTER_IMAGE_ON_X_AXIS(mdtp_ui_defs_data.main_text_width,fb_config->width);
+    uint32_t x = CENTER_IMAGE_ON_X_AXIS(get_image_width(MAINTEXT_INCORRECTPIN),fb_config->width);
 	uint32_t y = (fb_config->height)*MAIN_TEXT_RELATIVE_Y_LOCATION;
 
-	display_image(mdtp_ui_defs_data.invalid_pin_offset, mdtp_ui_defs_data.main_text_width, mdtp_ui_defs_data.main_text_height, x, y);
+	display_image(get_image_offset(MAINTEXT_INCORRECTPIN), get_image_width(MAINTEXT_INCORRECTPIN), get_image_height(MAINTEXT_INCORRECTPIN), x, y);
 }
 
 /**
@@ -342,10 +340,10 @@
  */
 static void display_digits_instructions()
 {
-    uint32_t x = CENTER_IMAGE_ON_X_AXIS(mdtp_ui_defs_data.digits_instructions_width,fb_config->width);
+    uint32_t x = CENTER_IMAGE_ON_X_AXIS(get_image_width(PINTEXT),fb_config->width);
 	uint32_t y = (fb_config->height)*PIN_TEXT_RELATIVE_Y_LOCATION;
 
-	display_image(mdtp_ui_defs_data.digits_instructions_offset, mdtp_ui_defs_data.digits_instructions_width, mdtp_ui_defs_data.digits_instructions_height, x, y);
+	display_image(get_image_offset(PINTEXT), get_image_width(PINTEXT), get_image_height(PINTEXT), x, y);
 }
 
 /**
@@ -354,8 +352,7 @@
 static void clear_digits_instructions()
 {
     uint32_t y = (fb_config->height)*PIN_TEXT_RELATIVE_Y_LOCATION;
-
-    fbcon_clear_section(y, mdtp_ui_defs_data.digits_instructions_height);
+    fbcon_clear_section(y, get_image_height(PINTEXT));
 }
 
 /**
@@ -363,8 +360,8 @@
  */
 static void display_digit(uint32_t x, uint32_t y, uint32_t digit)
 {
-    display_image(mdtp_ui_defs_data.pin_digit_0_offset + digit*mdtp_ui_defs_data.pin_digits_offset,
-            mdtp_ui_defs_data.pin_digit_width, mdtp_ui_defs_data.pin_digit_height, x, y);
+    display_image(get_image_offset(PIN_UNSELECTED_0 + digit),
+    get_image_width(PIN_UNSELECTED_0 + digit), get_image_height(PIN_UNSELECTED_0 + digit), x, y);
 }
 
 /**
@@ -372,8 +369,9 @@
  */
 static void display_selected_digit(uint32_t x, uint32_t y, uint32_t digit)
 {
-    display_image(mdtp_ui_defs_data.pin_selected_digit_0_offset + digit*mdtp_ui_defs_data.pin_digits_offset,
-			mdtp_ui_defs_data.pin_digit_width, mdtp_ui_defs_data.pin_digit_height, x, y);
+	display_image(get_image_offset(PIN_SELECTED_0 + digit),
+			get_image_width(PIN_SELECTED_0 + digit),
+			get_image_height(PIN_SELECTED_0 + digit), x, y);
 }
 
 /**
@@ -381,10 +379,10 @@
  */
 static void display_ok_button()
 {
-    uint32_t ok_x = CENTER_IMAGE_ON_X_AXIS(mdtp_ui_defs_data.ok_button_width,fb_config->width);
+    uint32_t ok_x = CENTER_IMAGE_ON_X_AXIS(get_image_width(BTN_OK_OFF),fb_config->width);
 	uint32_t ok_y = (fb_config->height)*OK_BUTTON_RELATIVE_Y_LOCATION;
 
-	display_image(mdtp_ui_defs_data.ok_button_offset, mdtp_ui_defs_data.ok_button_width, mdtp_ui_defs_data.ok_button_height, ok_x, ok_y);
+	display_image(get_image_offset(BTN_OK_OFF), get_image_width(BTN_OK_OFF),get_image_height(BTN_OK_OFF), ok_x, ok_y);
 }
 
 /**
@@ -392,21 +390,22 @@
  */
 static void display_selected_ok_button()
 {
-    uint32_t ok_x = CENTER_IMAGE_ON_X_AXIS(mdtp_ui_defs_data.ok_button_width,fb_config->width);
+    uint32_t ok_x = CENTER_IMAGE_ON_X_AXIS(get_image_width(BTN_OK_ON),fb_config->width);
 	uint32_t ok_y = (fb_config->height)*OK_BUTTON_RELATIVE_Y_LOCATION;
 
-	display_image(mdtp_ui_defs_data.selected_ok_button_offset, mdtp_ui_defs_data.ok_button_width, mdtp_ui_defs_data.ok_button_height,  ok_x, ok_y);
+	display_image(get_image_offset(BTN_OK_ON), get_image_width(BTN_OK_ON), get_image_height(BTN_OK_ON),  ok_x, ok_y);
 }
 
+
 /**
  * Display the instructions for the OK button.
  */
 static void display_pin_instructions()
 {
-    uint32_t x = CENTER_IMAGE_ON_X_AXIS(mdtp_ui_defs_data.pin_instructions_width,fb_config->width);
+    uint32_t x = CENTER_IMAGE_ON_X_AXIS(get_image_width(ACCEPTEDIT_TEXT),fb_config->width);
 	uint32_t y = (fb_config->height)*OK_TEXT_RELATIVE_Y_LOCATION;
 
-	display_image(mdtp_ui_defs_data.pin_instructions_offset, mdtp_ui_defs_data.pin_instructions_width, mdtp_ui_defs_data.pin_instructions_height, x, y);
+	display_image(get_image_offset(ACCEPTEDIT_TEXT), get_image_width(ACCEPTEDIT_TEXT), get_image_height(ACCEPTEDIT_TEXT), x, y);
 }
 
 /**
@@ -416,7 +415,7 @@
 {
     uint32_t y = (fb_config->height)*OK_TEXT_RELATIVE_Y_LOCATION;
 
-	fbcon_clear_section(y, mdtp_ui_defs_data.pin_instructions_height);
+	fbcon_clear_section(y,get_image_height(ACCEPTEDIT_TEXT));
 }
 
 /**
@@ -426,7 +425,6 @@
 {
 	fb_config = fbcon_display();
 	alloc_mdtp_image();
-	mdtp_ui_defs_data = mdtp_get_target_ui_defs();
 }
 
 /**
@@ -451,12 +449,12 @@
 
 		g_pin_frames_y_location = ((fb_config->height)*PIN_RELATIVE_Y_LOCATION);
 
-		uint32_t total_pin_length = pin_length*mdtp_ui_defs_data.pin_digit_width + mdtp_ui_defs_data.digit_space*(pin_length - 1);
+		uint32_t total_pin_length = pin_length*get_image_width(PIN_UNSELECTED_0) + mdtp_fs_get_param(DIGIT_SPACE)*(pin_length - 1);
 		uint32_t complete_pin_centered = (fb_config->width - total_pin_length)/2;
 
 		for (uint32_t i=0; i<pin_length; i++)
 		{
-			g_pin_frames_x_location[i] = complete_pin_centered + i*(mdtp_ui_defs_data.digit_space+mdtp_ui_defs_data.pin_digit_width);
+			g_pin_frames_x_location[i] = complete_pin_centered + i*(mdtp_fs_get_param(DIGIT_SPACE) + get_image_width(PIN_UNSELECTED_0));
 		}
 
 		for (uint32_t i=0; i<pin_length; i++)
@@ -603,3 +601,28 @@
 	for(;;);
 }
 
+/**
+ *  Display error message in case mdtp image is corrupted and stop boot process.
+ */
+void display_error_msg_mdtp()
+{
+	int big_factor = 8; // Font size
+	char* str = "Device unable to boot";
+	char* str2 = "\nError - mdtp image is corrupted\n";
+	fbcon_clear();
+	while(*str != 0) {
+		fbcon_putc_factor(*str++, FBCON_COMMON_MSG, big_factor);
+	}
+	fbcon_draw_line(FBCON_COMMON_MSG);
+	while(*str2 != 0) {
+		fbcon_putc_factor(*str2++, FBCON_COMMON_MSG, big_factor);
+	}
+	fbcon_draw_line(FBCON_COMMON_MSG);
+
+	// Invalid state. Nothing to be done but contacting the OEM.
+	// Stop boot process.
+	dprintf(CRITICAL,"ERROR: blocking boot process - mdtp image corrupted\n");
+	for(;;);
+
+}
+
diff --git a/app/aboot/rules.mk b/app/aboot/rules.mk
index 09a5152..68e1c9b 100644
--- a/app/aboot/rules.mk
+++ b/app/aboot/rules.mk
@@ -21,5 +21,6 @@
 	$(LOCAL_DIR)/mdtp.o \
 	$(LOCAL_DIR)/mdtp_ui.o \
 	$(LOCAL_DIR)/mdtp_fuse.o \
-	$(LOCAL_DIR)/mdtp_defs.o
+	$(LOCAL_DIR)/mdtp_defs.o \
+	$(LOCAL_DIR)/mdtp_fs.o
 endif