From ac2357b001b970ff281d05566697c3d73f66ea4a Mon Sep 17 00:00:00 2001
From: Fredrik Thulin <fredrik@thulin.net>
Date: Sat, 21 May 2016 14:40:11 +0200
Subject: Add code to test reading, writing and erasing keystore data.
---
projects/cli-test/cli-test.c | 49 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 49 insertions(+)
(limited to 'projects')
diff --git a/projects/cli-test/cli-test.c b/projects/cli-test/cli-test.c
index 6bc70dd..152c121 100644
--- a/projects/cli-test/cli-test.c
+++ b/projects/cli-test/cli-test.c
@@ -133,6 +133,54 @@ int cmd_show_keystore_status(struct cli_def *cli, const char *command, char *arg
return CLI_OK;
}
+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_sectors(1)) != 1) {
+ cli_print(cli, "Failed erasing the first sector: %li", i);
+ return CLI_ERROR;
+ }
+ cli_print(cli, "Erase result: %li", i);
+ }
+
+ return CLI_OK;
+}
+
/* The chunk size have to be a multiple of the SPI flash page size (256 bytes),
and it has to match the chunk size in the program sending the bitstream over the UART.
*/
@@ -282,6 +330,7 @@ void configure_cli_show(struct cli_def *cli)
cli_command_branch(show, keystore);
/* show keystore status*/
cli_command_node(show_keystore, status, "Show status of the keystore memory");
+ cli_command_node(show_keystore, data, "Show the first page of the keystore memory");
}
void configure_cli_fpga(struct cli_def *cli)
--
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