Sec S3c2443x: Test B D Driver

/* 1. Acquire memory region */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); testbd->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(testbd->base)) return PTR_ERR(testbd->base);

| Parameter | Meaning | |-----------|---------| | mode | 0 = buffer‑overflow test, 1 = timing jitter, 2 = fault‑injection | | iterations | Number of stress cycles (max 10 000) | | seed | Pseudo‑random seed for pattern generation | Sec S3c2443x Test B D Driver

# Run a cryptographic hash benchmark ./testbd_tool --crypto --algo sha256 --src 0x82000000 --len 4194304 base = devm_ioremap_resource(&pdev-&gt

/* 3. Initialize hardware */ sec_testbd_reset(testbd); sec_testbd_configure(testbd, DEFAULT_MODE); base)) return PTR_ERR(testbd-&gt

# Verify device node ls -l /dev/sec_testbd # → crw-rw---- 1 root video 250, 0 Mar 23 12:34 /dev/sec_testbd