unleashed-firmware/lib/flipper_application/flipper_application.h
Sergei Gavrilov d8ef0991fb
ELF, Flipper application: do not crash on "out of memory" (#3664)
* ELF, Flipper application: do not crash on "out of memory"
* loader: better error messages
* typo
* fix position
* Loader: QR code for common errors
* NFC: error message
* Loader: error descriptions
2024-06-17 16:40:47 +01:00

160 lines
4.7 KiB
C

/**
* @file flipper_application.h
* Flipper application
*/
#pragma once
#include "application_manifest.h"
#include "elf/elf_api_interface.h"
#include <furi.h>
#include <storage/storage.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
FlipperApplicationPreloadStatusSuccess = 0,
FlipperApplicationPreloadStatusInvalidFile,
FlipperApplicationPreloadStatusNotEnoughMemory,
FlipperApplicationPreloadStatusInvalidManifest,
FlipperApplicationPreloadStatusApiTooOld,
FlipperApplicationPreloadStatusApiTooNew,
FlipperApplicationPreloadStatusTargetMismatch,
} FlipperApplicationPreloadStatus;
typedef enum {
FlipperApplicationLoadStatusSuccess = 0,
FlipperApplicationLoadStatusUnspecifiedError,
FlipperApplicationLoadStatusMissingImports,
} FlipperApplicationLoadStatus;
/** Get text description of preload status
* @param status Status code
* @return String pointer to description
*/
const char* flipper_application_preload_status_to_string(FlipperApplicationPreloadStatus status);
/** Get text description of load status
* @param status Status code
* @return String pointer to description
*/
const char* flipper_application_load_status_to_string(FlipperApplicationLoadStatus status);
typedef struct FlipperApplication FlipperApplication;
typedef struct {
const char* name;
uint32_t address;
} FlipperApplicationMemoryMapEntry;
typedef struct {
uint32_t mmap_entry_count;
FlipperApplicationMemoryMapEntry* mmap_entries;
uint32_t debug_link_size;
uint8_t* debug_link;
} FlipperApplicationState;
/** Initialize FlipperApplication object
* @param storage Storage instance
* @param api_interface ELF API interface to use for pre-loading and symbol resolving
* @return Application instance
*/
FlipperApplication*
flipper_application_alloc(Storage* storage, const ElfApiInterface* api_interface);
/** Destroy FlipperApplication object
* @param app Application pointer
*/
void flipper_application_free(FlipperApplication* app);
/** Validate elf file and load application metadata
*
* @param app Application pointer
* @param[in] path The path to fap file
*
* @return Preload result code
*/
FlipperApplicationPreloadStatus
flipper_application_preload(FlipperApplication* app, const char* path);
/** Validate elf file and load application manifest
*
* @param app Application pointer
* @param[in] path The path to fap file
*
* @return Preload result code
*/
FlipperApplicationPreloadStatus
flipper_application_preload_manifest(FlipperApplication* app, const char* path);
/** Get pointer to application manifest for preloaded application
* @param app Application pointer
* @return Pointer to application manifest
*/
const FlipperApplicationManifest* flipper_application_get_manifest(FlipperApplication* app);
/** Load sections and process relocations for already pre-loaded application
* @param app Application pointer
* @return Load result code
*/
FlipperApplicationLoadStatus flipper_application_map_to_memory(FlipperApplication* app);
/** Allocate application thread at entry point address, using app name and
* stack size from metadata. Returned thread isn't started yet.
* Can be only called once for application instance.
* @param app Applicaiton pointer
* @param args Args to pass to app's entry point
* @return Created thread
*/
FuriThread* flipper_application_alloc_thread(FlipperApplication* app, const char* args);
/** Check if application is a plugin (not a runnable standalone app)
* @param app Application pointer
* @return true if application is a plugin, false otherwise
*/
bool flipper_application_is_plugin(FlipperApplication* app);
/** Entry point prototype for standalone applications
*/
typedef int32_t (*FlipperApplicationEntryPoint)(void*);
/** An object that describes a plugin - must be returned by plugin's entry point
*/
typedef struct {
const char* appid;
const uint32_t ep_api_version;
const void* entry_point;
} FlipperAppPluginDescriptor;
/** Entry point prototype for plugins
*/
typedef const FlipperAppPluginDescriptor* (*FlipperApplicationPluginEntryPoint)(void);
/** Get plugin descriptor for preloaded plugin
* @param app Application pointer
* @return Pointer to plugin descriptor
*/
const FlipperAppPluginDescriptor*
flipper_application_plugin_get_descriptor(FlipperApplication* app);
/** Load name and icon from FAP file.
*
* @param path Path to FAP file.
* @param storage Storage instance.
* @param icon_ptr Icon pointer.
* @param item_name Application name.
* @return true if icon and name were loaded successfully.
*/
bool flipper_application_load_name_and_icon(
FuriString* path,
Storage* storage,
uint8_t** icon_ptr,
FuriString* item_name);
#ifdef __cplusplus
}
#endif