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/*
* mgmt-show.c
* -----------
* CLI 'show' functions.
*
* 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.
*/
/* Rename both CMSIS HAL_OK and libhal HAL_OK to disambiguate */
#define HAL_OK CMSIS_HAL_OK
#include "stm-init.h"
#include "stm-keystore.h"
#include "stm-fpgacfg.h"
#include "stm-uart.h"
#include "mgmt-cli.h"
#include "mgmt-show.h"
#undef HAL_OK
#define LIBHAL_OK HAL_OK
#include "hal.h"
#define HAL_STATIC_PKEY_STATE_BLOCKS 6
#include "hal_internal.h"
#undef HAL_OK
#include <string.h>
static int cmd_show_cpuspeed(struct cli_def *cli, const char *command, char *argv[], int argc)
{
volatile uint32_t hclk;
hclk = HAL_RCC_GetHCLKFreq();
cli_print(cli, "HSE_VALUE: %li", HSE_VALUE);
cli_print(cli, "HCLK: %li (%i MHz)", hclk, (int) hclk / 1000 / 1000);
cli_print(cli, "SystemCoreClock: %li (%i MHz)", SystemCoreClock, (int) SystemCoreClock / 1000 / 1000);
return CLI_OK;
}
static int cmd_show_fpga_status(struct cli_def *cli, const char *command, char *argv[], int argc)
{
cli_print(cli, "FPGA has %sloaded a bitstream", fpgacfg_check_done() ? "":"NOT ");
return CLI_OK;
}
static int cmd_show_fpga_cores(struct cli_def *cli, const char *command, char *argv[], int argc)
{
hal_core_t *core;
const hal_core_info_t *info;
if (! fpgacfg_check_done()) {
cli_print(cli, "FPGA has not loaded a bitstream");
return CLI_OK;
}
for (core = hal_core_iterate(NULL); core != NULL; core = hal_core_iterate(core)) {
info = hal_core_info(core);
cli_print(cli, "%04x: %8.8s %4.4s",
(unsigned int)info->base, info->name, info->version);
}
return CLI_OK;
}
static int cmd_show_keystore_status(struct cli_def *cli, const char *command, char *argv[], int argc)
{
cli_print(cli, "Keystore memory is %sonline", (keystore_check_id() != 1) ? "NOT ":"");
return CLI_OK;
}
static int cmd_show_keystore_data(struct cli_def *cli, const char *command, char *argv[], int argc)
{
uint8_t buf[KEYSTORE_PAGE_SIZE];
uint32_t i;
if (keystore_check_id() != 1) {
cli_print(cli, "ERROR: The keystore memory is not accessible.");
}
memset(buf, 0, sizeof(buf));
if ((i = keystore_read_data(0, buf, sizeof(buf))) != 1) {
cli_print(cli, "Failed reading first page from keystore memory: %li", i);
return CLI_ERROR;
}
cli_print(cli, "First page from keystore memory:\r\n");
uart_send_hexdump(STM_UART_MGMT, buf, 0, sizeof(buf) - 1);
uart_send_string2(STM_UART_MGMT, (char *) "\r\n\r\n");
for (i = 0; i < 8; i++) {
if (buf[i] == 0xff) break; /* never written */
if (buf[i] != 0x55) break; /* something other than a tombstone */
}
/* As a demo, tombstone byte after byte of the first 8 bytes in the keystore memory
* (as long as they do not appear to contain real data).
* If all of them are tombstones, erase the first sector to start over.
*/
if (i < 8) {
if (buf[i] == 0xff) {
cli_print(cli, "Tombstoning byte %li", i);
buf[i] = 0x55;
if ((i = keystore_write_data(0, buf, sizeof(buf))) != 1) {
cli_print(cli, "Failed writing data at offset 0: %li", i);
return CLI_ERROR;
}
}
} else {
cli_print(cli, "Erasing first sector since all the first 8 bytes are tombstones");
if ((i = keystore_erase_sector(0)) != 1) {
cli_print(cli, "Failed erasing the first sector: %li", i);
return CLI_ERROR;
}
cli_print(cli, "Erase result: %li", i);
}
return CLI_OK;
}
void configure_cli_show(struct cli_def *cli)
{
struct cli_command *c = cli_register_command(cli, NULL, "show", NULL, 0, 0, NULL);
/* show cpuspeed */
cli_register_command(cli, c, "cpuspeed", cmd_show_cpuspeed, 0, 0, "Show the speed at which the CPU currently operates");
struct cli_command *c_fpga = cli_register_command(cli, c, "fpga", NULL, 0, 0, NULL);
/* show fpga status*/
cli_register_command(cli, c_fpga, "status", cmd_show_fpga_status, 0, 0, "Show status about the FPGA");
/* show fpga cores*/
cli_register_command(cli, c_fpga, "cores", cmd_show_fpga_cores, 0, 0, "Show the currently available FPGA cores");
struct cli_command *c_keystore = cli_register_command(cli, c, "keystore", NULL, 0, 0, NULL);
/* show keystore status*/
cli_register_command(cli, c_keystore, "status", cmd_show_keystore_status, 0, 0, "Show status of the keystore memory");
/* show keystore data */
cli_register_command(cli, c_keystore, "data", cmd_show_keystore_data, 0, 0, "Show the first page of the keystore memory");
}
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