app_renesas_rx.c

/* app_renesas_rx.c
 *
 * Test bare-metal application.
 *
 * Copyright (C) 2024 wolfSSL Inc.
 *
 * This file is part of wolfBoot.
 *
 * wolfBoot 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.
 *
 * wolfBoot 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
 */

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "hal.h"
#include "printf.h"
#include "wolfboot/wolfboot.h"
#include "target.h"

/* route stdout to UART */
int write(int fileno, char *buf, int count)
{
    (void)fileno;
    uart_write(buf, count);
    return count;
}

static const char* state2str(uint8_t s)
{
    switch (s) {
        case IMG_STATE_NEW: return "New";
        case IMG_STATE_UPDATING: return "Updating";
        case IMG_STATE_TESTING: return "Testing";
        case IMG_STATE_SUCCESS: return "Success";
        default: return "Unknown";
    }
}

static void printPart(uint8_t *part)
{
    uint8_t *magic;
    uint32_t ver;
    uint8_t  state;
#ifdef WOLFBOOT_DEBUG_PARTION
    uint32_t *v;
    int i;
#endif

    magic = part;
    printf("Magic:    %c%c%c%c\n", magic[0], magic[1], magic[2], magic[3]);
    ver = wolfBoot_get_blob_version(part);
    printf("Version:  %02x\n", (uint8_t)ver);
    state = *(part + WOLFBOOT_PARTITION_SIZE - sizeof(uint32_t) - 1);
    printf("Status:   %02x (%s)\n", state, state2str(state));
    magic = part + WOLFBOOT_PARTITION_SIZE - sizeof(uint32_t);
    printf("Trailer Mgc: %c%c%c%c\n", magic[0], magic[1], magic[2], magic[3]);

#ifdef WOLFBOOT_DEBUG_PARTION
    v = (uint32_t*)part;
    for (i = 0; i < 0x100/4; i++) {
        if(i % 4 == 0)
            print("\n%08x: ", (uint32_t)v+i*4);
        print("%08x ", v[i]);
    }
#endif
}

static void printPartitions(void)
{
    printf("\n=== Boot Partition[%08x] ===\n", WOLFBOOT_PARTITION_BOOT_ADDRESS);
    printPart((uint8_t*)WOLFBOOT_PARTITION_BOOT_ADDRESS);
    printf("\n=== Update Partition[%08x] ===\n", WOLFBOOT_PARTITION_UPDATE_ADDRESS);
    printPart((uint8_t*)WOLFBOOT_PARTITION_UPDATE_ADDRESS);
}

int main(void)
{
    uint8_t firmware_version = 0;

    uart_init();

#if !defined(WOLFBOOT_RENESAS_TSIP)
    printf("| ------------------------------------------------------------------- |\n");
    printf("| Renesas RX User Application in BOOT partition started by wolfBoot   |\n");
    printf("| ------------------------------------------------------------------- |\n\n");
#elif defined(WOLFBOOT_RENESAS_TSIP_SRCVERSION)
    printf("| ------------------------------------------------------------------------------- |\n");
    printf("| Renesas RX w/ TSIP(SRC) User Application in BOOT partition started by wolfBoot  |\n");
    printf("| ------------------------------------------------------------------------------- |\n\n");
#else
    printf("| ------------------------------------------------------------------------------- |\n");
    printf("| Renesas RX w/ TSIP(LIB) User Application in BOOT partition started by wolfBoot  |\n");
    printf("| ------------------------------------------------------------------------------- |\n\n");
#endif

    hal_init();

    printPartitions();

    /* The same as: wolfBoot_get_image_version(PART_BOOT); */
    firmware_version = wolfBoot_current_firmware_version();

    printf("\nCurrent Firmware Version: %d\n", firmware_version);

    if (firmware_version >= 1) {
        if (firmware_version == 1) {
            printf("Hit any key to call wolfBoot_success the firmware.\n");
            getchar();

            wolfBoot_success();
            printPartitions();

            printf("\nHit any key to update the firmware.\n");
            getchar();

            wolfBoot_update_trigger();
            printf("Firmware Update is triggered\n");
            printPartitions();
        }
        else if (firmware_version == 2) {
            printf("Hit any key to call wolfBoot_success the firmware.\n");
            getchar();

            wolfBoot_success();
            printPartitions();
        }
    }
    else {
        printf("Invalid Firmware Version\n");
        goto busy_idle;
    }

busy_idle:
    /* busy wait */
    while (1)
        ;

    return 0;
}