#pragma once

#include <stdint.h>

// Arbitrary max size for application name and version.
#define BOLOS_APPNAME_MAX_SIZE_B    32
#define BOLOS_APPVERSION_MAX_SIZE_B 16

/* ----------------------------------------------------------------------- */
/* -                       APPLICATION FUNCTIONS                         - */
/* ----------------------------------------------------------------------- */

typedef void (*appmain_t) (void);

#define BOLOS_TAG_APPNAME 0x01
#define BOLOS_TAG_APPVERSION 0x02
#define BOLOS_TAG_ICON 0x03
#define BOLOS_TAG_DERIVEPATH 0x04
#define BOLOS_TAG_DATA_SIZE 0x05 // meta tag to retrieve the size of the data section for the application
// Library Dependencies are a tuple of 2 LV, the lib appname and the lib version (only exact for now). When lib version is not specified, it is not check, only name is asserted
// The DEPENDENCY tag may have several occurences, one for each dependency (by name). Malformed (multiple dep to the same lib with different version is is not ORed but ANDed, and then considered bogus)
#define BOLOS_TAG_DEPENDENCY 0x06
// first autorised tag value for user data
#define BOLOS_TAG_USER_TAG 0x20

// application slot description
typedef struct application_s {

  // nvram start address for this application (to check overlap when loading, and mpu lock)
  unsigned char * nvram_begin;
  // nvram stop address (exclusive) for this application (to check overlap when loading, and mpu lock)
  unsigned char * nvram_end;

  // address of the main address, must be set according to BLX spec ( ORed with 1 when jumping into Thumb code
  appmain_t       main;

#ifdef HAVE_BACKGROUND_IMG
  // special flags for this application
  uint64_t  flags;
#else
  // special flags for this application
  uint32_t  flags;
#endif

  // Memory organization: [ code (RX) |alignpage| data (RW) |alignpage| install params (R) ]

  // length of the code section of the application (RX)
  unsigned int code_length;

  // NOTE: code_length+params_length must be a multiple of PAGE_SIZE
  // Length of the DATA section of the application. (RW)
  unsigned int data_length;

  // NOTE: code_length+params_length must be a multiple of PAGE_SIZE
  // length of the parameters sections of the application (R)
  unsigned int params_length;

  // Intermediate hash of the application's loaded code and data segments
  unsigned char   sha256_code_data[32];
  // Hash of the application's loaded code, data and instantiation parameters
  unsigned char   sha256_full[32];

} application_t;