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ncsdk-33093 - Accessing bootloader information in application #2838

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29 changes: 29 additions & 0 deletions samples/subsys/mgmt/mcumgr/smp_svr/boards/nrf54h20dk_nrf54h20_cpuapp_iron.overlay
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
/ {
sram@22007FC0 {
compatible = "zephyr,memory-region", "mmio-sram";
reg = <0x22007FC0 0x40>;
zephyr,memory-region = "RetainedMem";
status = "okay";

retainedmem {
compatible = "zephyr,retained-ram";
status = "okay";
#address-cells = <1>;
#size-cells = <1>;

boot_info0: boot_info@0 {
compatible = "zephyr,retention";
status = "okay";
reg = <0x0 0x40>;
};
};
};

chosen {
zephyr,bootloader-info = &boot_info0;
};
};

&cpuapp_ram0 {
reg = <0x22000000 0x7FC0>;
};
5 changes: 5 additions & 0 deletions samples/subsys/mgmt/mcumgr/smp_svr/prj.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -39,3 +39,8 @@ CONFIG_MCUBOOT_UTIL_LOG_LEVEL_WRN=y

# Disable debug logging
CONFIG_LOG_MAX_LEVEL=3

CONFIG_RETAINED_MEM=y
CONFIG_RETENTION=y
CONFIG_RETENTION_BOOTLOADER_INFO=y
CONFIG_RETENTION_BOOTLOADER_INFO_TYPE_MCUBOOT=y
23 changes: 23 additions & 0 deletions samples/subsys/mgmt/mcumgr/smp_svr/src/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@

#include "common.h"

#include <zephyr/retention/blinfo.h>
#include <bootutil/image.h>

#define STORAGE_PARTITION_LABEL storage_partition
#define STORAGE_PARTITION_ID FIXED_PARTITION_ID(STORAGE_PARTITION_LABEL)

Expand All @@ -50,6 +53,24 @@
};
#endif

static void blinfo_bootloader_version(void)
{
struct image_version version = {0x00};

int ret = blinfo_lookup(BLINFO_BOOTLOADER_VERSION,
(char *)&version,
sizeof(struct image_version));

Check notice on line 62 in samples/subsys/mgmt/mcumgr/smp_svr/src/main.c

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samples/subsys/mgmt/mcumgr/smp_svr/src/main.c:62 
-	int ret = blinfo_lookup(BLINFO_BOOTLOADER_VERSION,
-				(char *)&version,
+	int ret = blinfo_lookup(BLINFO_BOOTLOADER_VERSION, (char *)&version,

if (ret < 0) {
printf("blinfo_lookup error: %d\n", ret);
} else {
printf("bl iv_major: %d\n", version.iv_major);
printf("bl iv_minor: %d\n", version.iv_minor);
printf("bl iv_revision: %d\n", version.iv_revision);
printf("bl iv_build_num: %d\n", version.iv_build_num);
}
}

int main(void)
{
int rc = STATS_INIT_AND_REG(smp_svr_stats, STATS_SIZE_32,
Expand Down Expand Up @@ -85,6 +106,8 @@
*/
LOG_INF("build time: " __DATE__ " " __TIME__);

blinfo_bootloader_version();

/* The system work queue handles all incoming mcumgr requests. Let the
* main thread idle while the mcumgr server runs.
*/
Expand Down
8 changes: 8 additions & 0 deletions samples/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot.conf
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
CONFIG_LOG=y
CONFIG_MCUBOOT_LOG_LEVEL_INF=y

CONFIG_RETAINED_MEM=y
CONFIG_RETENTION=y
CONFIG_BOOT_SHARE_DATA=y
CONFIG_BOOT_SHARE_DATA_BOOTINFO=y
CONFIG_BOOT_SHARE_BACKEND_RETENTION=y
30 changes: 30 additions & 0 deletions samples/subsys/mgmt/mcumgr/smp_svr/sysbuild/mcuboot.overlay
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Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
/ {
sram@22007FC0 {
compatible = "zephyr,memory-region", "mmio-sram";
reg = <0x22007FC0 0x40>;
zephyr,memory-region = "RetainedMem";
status = "okay";

retainedmem {
compatible = "zephyr,retained-ram";
status = "okay";
#address-cells = <1>;
#size-cells = <1>;

boot_info0: boot_info@0 {
compatible = "zephyr,retention";
status = "okay";
reg = <0x0 0x40>;
};
};
};

chosen {
zephyr,bootloader-info = &boot_info0;
zephyr,code-partition = &boot_partition;
};
};

&cpuapp_ram0 {
reg = <0x22000000 0x7FC0>;
};
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