mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-17 03:48:09 +00:00
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
|
/*
|
||
|
|
* This file is part of the Trezor project, https://trezor.io/
|
||
|
|
*
|
||
|
|
* Copyright (c) SatoshiLabs
|
||
|
|
*
|
||
|
|
* This program is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef TREZORHAL_APPLET_H
|
||
|
|
#define TREZORHAL_APPLET_H
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#ifdef SYSCALL_DISPATCH
|
||
|
|
|
||
|
|
#include "systask.h"
|
||
|
|
|
||
|
|
// Applet entry point
|
||
|
|
typedef void (*applet_startup_t)(const char* args, uint32_t random);
|
||
|
|
|
||
|
|
// Applet header found at the beginning of the applet binary
|
||
|
|
typedef struct {
|
||
|
|
// Stack area
|
||
|
|
uint32_t stack_start;
|
||
|
|
uint32_t stack_size;
|
||
|
|
// Applet entry point
|
||
|
|
applet_startup_t startup;
|
||
|
|
} applet_header_t;
|
||
|
|
|
||
|
|
// Applet memory layout
|
||
|
|
typedef struct {
|
||
|
|
// Data area 1
|
||
|
|
uint32_t data1_start;
|
||
|
|
uint32_t data1_size;
|
||
|
|
// Data area 2
|
||
|
|
uint32_t data2_start;
|
||
|
|
uint32_t data2_size;
|
||
|
|
|
||
|
|
} applet_layout_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
// Points to the applet header found at the beginning of the applet binary
|
||
|
|
applet_header_t* header;
|
||
|
|
// Applet memory layout describing the memory areas
|
||
|
|
// the applet is allowed to use
|
||
|
|
applet_layout_t layout;
|
||
|
|
// Applet task
|
||
|
|
systask_t task;
|
||
|
|
|
||
|
|
// + privileges
|
||
|
|
|
||
|
|
} applet_t;
|
||
|
|
|
||
|
|
// Initializes the applet structure
|
||
|
|
void applet_init(applet_t* applet, applet_header_t* header,
|
||
|
|
applet_layout_t* layout);
|
||
|
|
|
||
|
|
// Resets the applet and prepares it for execution from its entry point.
|
||
|
|
//
|
||
|
|
// Applet does not start immediately, it needs to be scheduled by
|
||
|
|
// `systask_yield_to(&applet->task)` after calling this function.
|
||
|
|
//
|
||
|
|
// Returns `true` if the applet was successfully reset.
|
||
|
|
bool applet_reset(applet_t* applet, uint32_t cmd, const void* arg,
|
||
|
|
size_t arg_size);
|
||
|
|
|
||
|
|
#endif // SYSCALL_DISPATCH
|
||
|
|
|
||
|
|
#endif // TREZORHAL_APPLET_H
|