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Diffstat (limited to 'projects/hsm/mgmt-dfu.c')
| -rw-r--r-- | projects/hsm/mgmt-dfu.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/projects/hsm/mgmt-dfu.c b/projects/hsm/mgmt-dfu.c deleted file mode 100644 index e57c521..0000000 --- a/projects/hsm/mgmt-dfu.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * mgmt-dfu.c - * --------- - * CLI code for looking at, jumping to or erasing the loaded firmware. - * - * Copyright (c) 2016, NORDUnet A/S 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 NORDUnet 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER 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 "stm-init.h" -#include "mgmt-cli.h" -#include "stm-uart.h" -#include "stm-flash.h" -#include "mgmt-dfu.h" - -#include <string.h> - -#define DFU_FIRMWARE_ADDR ((uint32_t) &CRYPTECH_FIRMWARE_START) -#define DFU_FIRMWARE_END_ADDR ((uint32_t) &CRYPTECH_FIRMWARE_END) -#define DFU_UPLOAD_CHUNK_SIZE 256 -#define HARDWARE_EARLY_DFU_JUMP 0xBADABADA - -extern uint32_t update_crc(uint32_t crc, uint8_t *buf, int len); - -/* Linker symbols are strange in C. Make regular pointers for sanity. */ -__IO uint32_t *dfu_control = &CRYPTECH_DFU_CONTROL; -__IO uint32_t *dfu_firmware = &CRYPTECH_FIRMWARE_START; -__IO uint32_t *dfu_firmware_end = &CRYPTECH_FIRMWARE_END; -/* The first word in the firmware is an address to the stack (msp) */ -__IO uint32_t *dfu_msp_ptr = &CRYPTECH_FIRMWARE_START; -/* The second word in the firmware is a pointer to the code - * (points at the Reset_Handler from the linker script). - */ -__IO uint32_t *dfu_code_ptr = &CRYPTECH_FIRMWARE_START + 1; - -static int cmd_dfu_dump(struct cli_def *cli, const char *command, char *argv[], int argc) -{ - cli_print(cli, "First 256 bytes from DFU application address %p:\r\n", dfu_firmware); - - uart_send_hexdump(STM_UART_MGMT, (uint8_t *) dfu_firmware, 0, 0xff); - uart_send_string2(STM_UART_MGMT, (char *) "\r\n\r\n"); - - return CLI_OK; -} - -static int cmd_dfu_erase(struct cli_def *cli, const char *command, char *argv[], int argc) -{ - int status; - - cli_print(cli, "Erasing flash sectors %i to %i (address %p to %p) - expect the CLI to crash now", - stm_flash_sector_num((uint32_t) dfu_firmware), - stm_flash_sector_num((uint32_t) dfu_firmware_end), - dfu_firmware, - dfu_firmware_end); - - if ((status = stm_flash_erase_sectors((uint32_t) dfu_firmware, (uint32_t) dfu_firmware_end)) != 0) { - cli_print(cli, "Failed erasing flash sectors (%i)", status); - } - - return CLI_OK; -} - -static int cmd_dfu_jump(struct cli_def *cli, const char *command, char *argv[], int argc) -{ - uint32_t i; - /* Load first byte from the DFU_FIRMWARE_PTR to verify it contains an IVT before - * jumping there. - */ - cli_print(cli, "Checking for application at %p", dfu_firmware); - - i = *dfu_msp_ptr & 0xFF000000; - /* 'new_msp' is supposed to be a pointer to the new applications stack, it should - * point either at RAM (0x20000000) or at the CCM memory (0x10000000). - */ - if (i == 0x20000000 || i == 0x10000000) { - /* Set dfu_control to the magic value that will cause the us to jump to the - * firmware from the CLI main() function after rebooting. - */ - *dfu_control = HARDWARE_EARLY_DFU_JUMP; - cli_print(cli, "Making the leap"); - HAL_NVIC_SystemReset(); - while (1) { ; } - } else { - cli_print(cli, "No loaded application found at %p (read 0x%x)", - dfu_firmware, (unsigned int) *dfu_msp_ptr); - } - - return CLI_OK; -} - -void configure_cli_dfu(struct cli_def *cli) -{ - cli_command_root(dfu); - - cli_command_node(dfu, dump, "Show the first 256 bytes of the loaded firmware"); - cli_command_node(dfu, jump, "Jump to the loaded firmware"); - cli_command_node(dfu, erase, "Erase the firmware memory (will crash the CLI)"); -} |