sw/petalinux/diot-util: print information from uboot

Print: - version of the DTB - boot source of uboot - boot source of uimage - reset reason Signed-off-by: Adam Wujek <dev_public@wujek.eu>

sw/petalinux/diot-util: print information from uboot
Print: - version of the DTB - boot source of uboot - boot source of uimage - reset reason Signed-off-by: Adam Wujek <dev_public@wujek.eu>
67e6c343 · Adam Wujek · c010d696 · 67e6c343
Commit 67e6c343 authored Apr 30, 2022 by Adam Wujek
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diot_util.c ...t-spec/meta-user/recipes-apps/diot-util/files/diot_util.c +98 -0

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--- a/sw/petalinux/project-spec/meta-user/recipes-apps/diot-util/files/diot_util.c
+++ b/sw/petalinux/project-spec/meta-user/recipes-apps/diot-util/files/diot_util.c
@@ -26,6 +26,10 @@
 #include "fru.h"
 #include "fru_utils.h"

+#define DTB_HW_VER_FILE		"/sys/firmware/devicetree/base/chosen/hw_ver"
+#define DTB_MODEBOOT_FILE	"/sys/firmware/devicetree/base/chosen/modeboot"
+#define DTB_UIMAGE_SOURCE_FILE	"/sys/firmware/devicetree/base/chosen/uimage_source"
+#define DTB_RESET_REASON_FILE	"/sys/firmware/devicetree/base/chosen/reset_reason"

 #define READLINE_PROMPT "diot_util> "

@@ -39,6 +43,11 @@ struct command_entry {
    char *cmd_params;
 };

+struct string_map {
+	char *index;
+	char *label;
+};
+
 /* readline related */
 char **command_completion(const char *, int, int);
 char *command_name_generator(const char *, int);
@@ -49,6 +58,26 @@ int cmd_exit(char *params);
 int cmd_help(char *params);
 int cmd_version(char *params);

+struct string_map reset_reason_db[] = {
+    { "DEBUG",    "debuger"      },
+    { "SOFT",     "soft"         },
+    { "SRST",     "external"     },
+    { "PS-ONLY",  "ps-only"      },
+    { "PMU",      "pmu"          },
+    { "INTERNAL", "internal POR" },
+    { "EXTERNAL", "external POR" },
+};
+
+struct string_map boot_mode_db[] = {
+    { "usb_dfu_spl", "usb"     },
+    { "jtagboot",    "jtag"    },
+    { "qspiboot",    "qspi"    },
+    { "emmcboot",    "emmc"    },
+    { "sdboot",      "microSD" },
+    { "nandboot",    "nand"    },
+};
+
+
 struct command_entry commands_list[] = {
    { .cmd_name = "status",            .cmd_func = cmd_print_status,    .cmd_help_string = "Print status\n",                               .cmd_params = NULL},
    { .cmd_name = "exit",              .cmd_func = cmd_exit,            .cmd_help_string = "quit program\n",                               .cmd_params = NULL},
@@ -186,6 +215,72 @@ static void print_fmc_status(void)
    free(fru);
 }

+static char * get_file_content(char *filename, char *buff, size_t buff_size)
+{
+    FILE *file_h;
+
+    file_h = fopen(filename, "r");
+    if (!file_h) {
+	diot_error_add("Unable to open file (%s)\n", filename);
+	return "Error";
+    }
+
+    (void)! fread(buff, 1, buff_size, file_h);
+
+    /* make sure the last character is 0 */
+    buff[buff_size - 1] = 0;
+
+    if (ferror(file_h)) {
+	diot_error_add("Error while reading file (%s)\n", filename);
+	return "Error";
+    }
+
+    fclose(file_h);
+
+    return buff;
+}
+
+static char *string_map_get(char *name, struct string_map *map, size_t map_size)
+{
+    int i;
+
+    for (i = 0; i < map_size; i++)
+	if (!strcmp(map[i].index, name))
+	    return map[i].label;
+
+    return "Unknown";
+}
+
+static void print_uboot_info(void)
+{
+    char buff[30];
+
+    printf("Boot information\n");
+    printf("-------------------+----------------+\n");
+
+    printf("DTB for HW version |%15s |\n",
+	    get_file_content(DTB_HW_VER_FILE, buff, sizeof(buff)));
+
+    printf("uboot boot source  |%15s |\n",
+	    string_map_get(get_file_content(DTB_MODEBOOT_FILE, buff,
+					   sizeof(buff)),
+			  boot_mode_db,
+			  sizeof(boot_mode_db)/sizeof(boot_mode_db[0]))
+	  );
+
+    printf("uimage boot source |%15s |\n",
+	    get_file_content(DTB_UIMAGE_SOURCE_FILE, buff, sizeof(buff)));
+
+    printf("reset reason       |%15s |\n",
+	   string_map_get(get_file_content(DTB_RESET_REASON_FILE, buff,
+					   sizeof(buff)),
+			  reset_reason_db,
+			  sizeof(reset_reason_db)/sizeof(reset_reason_db[0]))
+	  );
+
+    printf("-------------------+----------------+\n");
+}
+
 int cmd_print_status(char *params)
 {
    int hw_version;
@@ -216,6 +311,9 @@ int cmd_print_status(char *params)
    print_fmc_status();
    printf("\n");

+    print_uboot_info();
+    printf("\n");
+
    diot_error_print();

    return 1;