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dfu: mcuboot_shell: Add command to enter serial recovery

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Adds a command which can be used to enter mcuboot's serial recovery
mode when the retention subsystem is enabled.

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
This commit is contained in:
Jamie McCrae 2023-02-23 16:01:43 +00:00 • committed by Carles Cufí
commit 5e8b067364
2 changed files with 35 additions and 1 deletions
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34
subsys/dfu/boot/mcuboot_shell.c
View file

@ -12,6 +12,13 @@
#include "mcuboot_priv.h"
#ifdef CONFIG_RETENTION_BOOT_MODE
#include <zephyr/retention/bootmode.h>
#ifdef CONFIG_REBOOT
#include <zephyr/sys/reboot.h>
#endif
#endif
struct area_desc {
const char *name;
unsigned int id;
@ -129,6 +136,30 @@ static int cmd_mcuboot_request_upgrade(const struct shell *sh, size_t argc,
return err;
}
#ifdef CONFIG_RETENTION_BOOT_MODE
static int cmd_mcuboot_serial_recovery(const struct shell *sh, size_t argc,
char **argv)
{
int rc;
rc = bootmode_set(BOOT_MODE_TYPE_BOOTLOADER);
if (rc) {
shell_error(sh, "Failed to set serial recovery mode: %d", rc);
return rc;
}
#ifdef CONFIG_REBOOT
sys_reboot(SYS_REBOOT_COLD);
#else
shell_error(sh, "mcuboot serial recovery mode set, please reboot your device");
#endif
return rc;
}
#endif
static int cmd_mcuboot_info_area(const struct shell *sh,
const struct area_desc *area)
{
@ -196,6 +227,9 @@ SHELL_STATIC_SUBCMD_SET_CREATE(mcuboot_cmds,
SHELL_CMD_ARG(erase, NULL, "erase <area_id>", cmd_mcuboot_erase, 2, 0),
SHELL_CMD_ARG(request_upgrade, NULL, "request_upgrade [permanent]",
cmd_mcuboot_request_upgrade, 1, 1),
#ifdef CONFIG_RETENTION_BOOT_MODE
SHELL_CMD_ARG(serial_recovery, NULL, "serial_recovery", cmd_mcuboot_serial_recovery, 1, 0),
#endif
SHELL_SUBCMD_SET_END /* Array terminated. */
);

2
subsys/retention/bootmode.c
View file

@ -19,7 +19,7 @@ int bootmode_check(uint8_t boot_mode)
rc = retention_is_valid(boot_mode_dev);
if (rc == 1) {
if (rc == 1 || rc == -ENOTSUP) {
uint8_t stored_mode;
rc = retention_read(boot_mode_dev, 0, &stored_mode, sizeof(stored_mode));