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-rw-r--r--projects/board-test/keystore-perf.c198
1 files changed, 198 insertions, 0 deletions
diff --git a/projects/board-test/keystore-perf.c b/projects/board-test/keystore-perf.c
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+/*
+ * Test read/write/erase performance of the flash keystore.
+ */
+
+#include "string.h"
+
+#include "stm-init.h"
+#include "stm-led.h"
+#include "stm-uart.h"
+#include "stm-keystore.h"
+
+/*
+ * 1. Read the entire flash by subsectors, ignoring data.
+ */
+static void test_read_data(void)
+{
+ uint8_t read_buf[KEYSTORE_SUBSECTOR_SIZE];
+ uint32_t i;
+ int err;
+
+ for (i = 0; i < KEYSTORE_NUM_SUBSECTORS; ++i) {
+ err = keystore_read_data(i * KEYSTORE_SUBSECTOR_SIZE, read_buf, KEYSTORE_SUBSECTOR_SIZE);
+ if (err != 1) {
+ uart_send_string("ERROR: keystore_read_data returned ");
+ uart_send_integer(err, 0);
+ uart_send_string("\r\n");
+ break;
+ }
+ }
+}
+
+/*
+ * Read the flash data and verify it against a known pattern.
+ */
+static void _read_verify(uint8_t *vrfy_buf)
+{
+ uint8_t read_buf[KEYSTORE_SUBSECTOR_SIZE];
+ uint32_t i;
+ int err;
+
+ for (i = 0; i < KEYSTORE_NUM_SUBSECTORS; ++i) {
+ err = keystore_read_data(i * KEYSTORE_SUBSECTOR_SIZE, read_buf, KEYSTORE_SUBSECTOR_SIZE);
+ if (err != 1) {
+ uart_send_string("ERROR: keystore_read_data returned ");
+ uart_send_integer(err, 0);
+ uart_send_string("\r\n");
+ break;
+ }
+ if (memcmp(read_buf, vrfy_buf, KEYSTORE_SUBSECTOR_SIZE) != 0) {
+ uart_send_string("ERROR: verify failed in subsector ");
+ uart_send_integer(i, 0);
+ uart_send_string("\r\n");
+ break;
+ }
+ }
+}
+
+/*
+ * 2a. Erase the entire flash by sectors.
+ */
+static void test_erase_sector(void)
+{
+ uint32_t i;
+ int err;
+
+ for (i = 0; i < KEYSTORE_NUM_SECTORS; ++i) {
+ err = keystore_erase_sectors(i, i);
+ if (err != 1) {
+ uart_send_string("ERROR: keystore_erase_sector returned ");
+ uart_send_integer(err, 0);
+ uart_send_string("\r\n");
+ break;
+ }
+ }
+}
+
+/*
+ * 2b. Erase the entire flash by subsectors.
+ */
+static void test_erase_subsector(void)
+{
+ uint32_t i;
+ int err;
+
+ for (i = 0; i < KEYSTORE_NUM_SUBSECTORS; ++i) {
+ err = keystore_erase_subsectors(i, i);
+ if (err != 1) {
+ uart_send_string("ERROR: keystore_erase_subsector returned ");
+ uart_send_integer(err, 0);
+ uart_send_string("\r\n");
+ break;
+ }
+ }
+}
+
+/*
+ * 2c. Read the entire flash, verify erasure.
+ */
+static void test_verify_erase(void)
+{
+ uint8_t vrfy_buf[KEYSTORE_SUBSECTOR_SIZE];
+ uint32_t i;
+
+ for (i = 0; i < sizeof(vrfy_buf); ++i)
+ vrfy_buf[i] = 0xFF;
+
+ _read_verify(vrfy_buf);
+}
+
+/*
+ * 3a. Write the entire flash with a pattern.
+ */
+static void test_write_data(void)
+{
+ uint8_t write_buf[KEYSTORE_SUBSECTOR_SIZE];
+ uint32_t i;
+ int err;
+
+ for (i = 0; i < sizeof(write_buf); ++i)
+ write_buf[i] = i & 0xFF;
+
+ for (i = 0; i < KEYSTORE_NUM_SUBSECTORS; ++i) {
+ err = keystore_write_data(i * KEYSTORE_SUBSECTOR_SIZE, write_buf, KEYSTORE_SUBSECTOR_SIZE);
+ if (err != 1) {
+ uart_send_string("ERROR: keystore_write_data returned ");
+ uart_send_integer(err, 0);
+ uart_send_string(" for subsector ");
+ uart_send_integer(i, 0);
+ uart_send_string("\r\n");
+ break;
+ }
+ }
+}
+
+/*
+ * 3b. Read the entire flash, verify data.
+ */
+static void test_verify_write(void)
+{
+ uint8_t vrfy_buf[KEYSTORE_SUBSECTOR_SIZE];
+ uint32_t i;
+
+ for (i = 0; i < sizeof(vrfy_buf); ++i)
+ vrfy_buf[i] = i & 0xFF;
+
+ _read_verify(vrfy_buf);
+}
+
+static void _time_check(char *label, const uint32_t t0, uint32_t n_rounds)
+{
+ uint32_t t = HAL_GetTick() - t0;
+
+ uart_send_string(label);
+ uart_send_integer(t / 1000, 0);
+ uart_send_char('.');
+ uart_send_integer(t % 1000, 3);
+ uart_send_string(" sec");
+ if (n_rounds > 1) {
+ uart_send_string(" for ");
+ uart_send_integer(n_rounds, 0);
+ uart_send_string(" rounds, ");
+ uart_send_integer(t / n_rounds, 0);
+ uart_send_char('.');
+ uart_send_integer(((t % n_rounds) * 100) / n_rounds, 2);
+ uart_send_string(" ms each");
+ }
+ uart_send_string("\r\n");
+}
+
+#define time_check(_label_, _expr_, _n_) \
+ do { \
+ uint32_t _t = HAL_GetTick(); \
+ (_expr_); \
+ _time_check(_label_, _t, _n_); \
+ } while (0)
+
+int main(void)
+{
+ stm_init();
+ uart_set_default(STM_UART_MGMT);
+
+ if (keystore_check_id() != 1) {
+ uart_send_string("ERROR: keystore_check_id failed\r\n");
+ return 0;
+ }
+
+ uart_send_string("Starting...\r\n");
+
+ time_check("read data ", test_read_data(), KEYSTORE_NUM_SUBSECTORS);
+ time_check("erase sector ", test_erase_sector(), KEYSTORE_NUM_SECTORS);
+ time_check("erase subsector ", test_erase_subsector(), KEYSTORE_NUM_SUBSECTORS);
+ time_check("verify erase ", test_verify_erase(), KEYSTORE_NUM_SUBSECTORS);
+ time_check("write data ", test_write_data(), KEYSTORE_NUM_SUBSECTORS);
+ time_check("verify write ", test_verify_write(), KEYSTORE_NUM_SUBSECTORS);
+
+ uart_send_string("Done.\r\n\r\n");
+ return 0;
+}