| import os |
| |
| import infra.basetest |
| |
| |
| class TestMtd(infra.basetest.BRTest): |
| config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \ |
| """ |
| BR2_PACKAGE_MTD=y |
| # BR2_TARGET_ROOTFS_TAR is not set |
| BR2_TARGET_ROOTFS_CPIO=y |
| """ |
| |
| def test_run(self): |
| cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio") |
| self.emulator.boot(arch="armv7", |
| kernel="builtin", |
| options=["-initrd", cpio_file]) |
| |
| self.emulator.login() |
| |
| mtd = "/dev/mtd0" |
| erasesize = 256 * 1024 |
| test_sectors = 4 |
| test_size = erasesize * test_sectors |
| |
| output, exit_code = self.emulator.run(f"mtd_debug info {mtd}") |
| output = [x.strip() for x in output if x.strip()] |
| self.assertEqual(output, [ |
| "mtd.type = MTD_NORFLASH", |
| "mtd.flags = MTD_CAP_NORFLASH", |
| "mtd.size = 134217728 (128M)", |
| "mtd.erasesize = 262144 (256K)", |
| "mtd.writesize = 1", |
| "mtd.oobsize = 0", |
| "regions = 0", |
| ]) |
| |
| # Test flashcp |
| self.assertRunOk(f"dd if=/dev/urandom of=random.bin bs={test_size} count=1") |
| self.assertRunOk(f"flashcp random.bin {mtd}") |
| self.assertRunOk(f"cmp -s -n {test_size} random.bin {mtd}") |
| |
| # Test flash_erase |
| self.assertRunOk(f"dd if=/dev/zero bs={test_size} count=1 | tr '\\000' '\\377' >nor-erase.bin") |
| self.assertRunOk(f"flash_erase {mtd} 0 {test_sectors}") |
| self.assertRunOk(f"cmp -s -n {test_size} nor-erase.bin {mtd}") |
