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- # Copyright (c) 2018, Linaro Limited
- #
- # SPDX-License-Identifier: GPL-2.0+
- #
- # Android Verified Boot 2.0 Test
- """
- This tests Android Verified Boot 2.0 support in U-boot:
- For additional details about how to build proper vbmeta partition
- check doc/README.avb2
- For configuration verification:
- - Corrupt boot partition and check for failure
- - Corrupt vbmeta partition and check for failure
- """
- import pytest
- import u_boot_utils as util
- # defauld mmc id
- mmc_dev = 1
- temp_addr = 0x90000000
- temp_addr2 = 0x90002000
- @pytest.mark.buildconfigspec('cmd_avb', 'cmd_mmc')
- def test_avb_verify(u_boot_console):
- """Run AVB 2.0 boot verification chain with avb subset of commands
- """
- success_str = "Verification passed successfully"
- response = u_boot_console.run_command('avb init %s' %str(mmc_dev))
- assert response == ''
- response = u_boot_console.run_command('avb verify')
- assert response.find(success_str)
- @pytest.mark.buildconfigspec('cmd_avb', 'cmd_mmc')
- def test_avb_mmc_uuid(u_boot_console):
- """Check if 'avb get_uuid' works, compare results with
- 'part list mmc 1' output
- """
- response = u_boot_console.run_command('avb init %s' % str(mmc_dev))
- assert response == ''
- response = u_boot_console.run_command('mmc rescan; mmc dev %s' %
- str(mmc_dev))
- assert response.find('is current device')
- part_lines = u_boot_console.run_command('mmc part').splitlines()
- part_list = {}
- cur_partname = ''
- for line in part_lines:
- if '"' in line:
- start_pt = line.find('"')
- end_pt = line.find('"', start_pt + 1)
- cur_partname = line[start_pt + 1: end_pt]
- if 'guid:' in line:
- guid_to_check = line.split('guid:\t')
- part_list[cur_partname] = guid_to_check[1]
- # lets check all guids with avb get_guid
- for part, guid in part_list.iteritems():
- avb_guid_resp = u_boot_console.run_command('avb get_uuid %s' % part)
- assert guid == avb_guid_resp.split('UUID: ')[1]
- @pytest.mark.buildconfigspec('cmd_avb')
- def test_avb_read_rb(u_boot_console):
- """Test reading rollback indexes
- """
- response = u_boot_console.run_command('avb init %s' % str(mmc_dev))
- assert response == ''
- response = u_boot_console.run_command('avb read_rb 1')
- assert response == 'Rollback index: 0'
- @pytest.mark.buildconfigspec('cmd_avb')
- def test_avb_is_unlocked(u_boot_console):
- """Test if device is in the unlocked state
- """
- response = u_boot_console.run_command('avb init %s' % str(mmc_dev))
- assert response == ''
- response = u_boot_console.run_command('avb is_unlocked')
- assert response == 'Unlocked = 1'
- @pytest.mark.buildconfigspec('cmd_avb', 'cmd_mmc')
- def test_avb_mmc_read(u_boot_console):
- """Test mmc read operation
- """
- response = u_boot_console.run_command('mmc rescan; mmc dev %s 0' %
- str(mmc_dev))
- assert response.find('is current device')
- response = u_boot_console.run_command('mmc read 0x%x 0x100 0x1' % temp_addr)
- assert response.find('read: OK')
- response = u_boot_console.run_command('avb init %s' % str(mmc_dev))
- assert response == ''
- response = u_boot_console.run_command('avb read_part xloader 0 100 0x%x' %
- temp_addr2)
- assert response.find('Read 512 bytes')
- # Now lets compare two buffers
- response = u_boot_console.run_command('cmp 0x%x 0x%x 40' %
- (temp_addr, temp_addr2))
- assert response.find('64 word')
- @pytest.mark.buildconfigspec('cmd_avb')
- @pytest.mark.buildconfigspec('optee_ta_avb')
- def test_avb_persistent_values(u_boot_console):
- """Test reading/writing persistent storage to avb
- """
- response = u_boot_console.run_command('avb init %s' % str(mmc_dev))
- assert response == ''
- response = u_boot_console.run_command('avb write_pvalue test value_value')
- assert response == 'Wrote 12 bytes'
- response = u_boot_console.run_command('avb read_pvalue test 12')
- assert response == 'Read 12 bytes, value = value_value'
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