1# SPDX-License-Identifier: GPL-2.0
2# Copyright (c) 2015 Stephen Warren
3# Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
4
5import pytest
6import u_boot_utils
7
8@pytest.mark.buildconfigspec('cmd_memory')
9def test_md(u_boot_console):
10    """Test that md reads memory as expected, and that memory can be modified
11    using the mw command."""
12
13    ram_base = u_boot_utils.find_ram_base(u_boot_console)
14    addr = '%08x' % ram_base
15    val = 'a5f09876'
16    expected_response = addr + ': ' + val
17    u_boot_console.run_command('mw ' + addr + ' 0 10')
18    response = u_boot_console.run_command('md ' + addr + ' 10')
19    assert(not (expected_response in response))
20    u_boot_console.run_command('mw ' + addr + ' ' + val)
21    response = u_boot_console.run_command('md ' + addr + ' 10')
22    assert(expected_response in response)
23
24@pytest.mark.buildconfigspec('cmd_memory')
25def test_md_repeat(u_boot_console):
26    """Test command repeat (via executing an empty command) operates correctly
27    for "md"; the command must repeat and dump an incrementing address."""
28
29    ram_base = u_boot_utils.find_ram_base(u_boot_console)
30    addr_base = '%08x' % ram_base
31    words = 0x10
32    addr_repeat = '%08x' % (ram_base + (words * 4))
33    u_boot_console.run_command('md %s %x' % (addr_base, words))
34    response = u_boot_console.run_command('')
35    expected_response = addr_repeat + ': '
36    assert(expected_response in response)
37