Add testcases for loading RPU applications in split and lockstep mode including the negative one for AMD's ZynqMP SoC.

Signed-off-by: Love Kumar love.kumar@amd.com --- test/py/tests/test_zynqmp_rpu.py | 208 +++++++++++++++++++++++++++++++ 1 file changed, 208 insertions(+) create mode 100644 test/py/tests/test_zynqmp_rpu.py

diff --git a/test/py/tests/test_zynqmp_rpu.py b/test/py/tests/test_zynqmp_rpu.py new file mode 100644 index 000000000000..479a612b4ec2 --- /dev/null +++ b/test/py/tests/test_zynqmp_rpu.py @@ -0,0 +1,208 @@ +# SPDX-License-Identifier: GPL-2.0 +# (C) Copyright 2023, Advanced Micro Devices, Inc. + +import pytest +import random +import string +import test_net + +""" +Note: This test relies on boardenv_* containing configuration values to define +RPU applications information for AMD's ZynqMP SoC which contains, application +names, processors, address where it is built, expected output and the tftp load +addresses. This test will be automatically skipped without this. + +It also relies on dhcp or setup_static net test to support tftp to load +application on DDR. All the environment parameters are stored sequentially. +The length of all parameters values should be same. For example, if 2 app_names +are defined in a list as a value of parameter 'app_name' then the other +parameters value also should have a list with 2 items. +It will run RPU cases for all the applications defined in boardenv_* +configuration file. + +Example: +env__zynqmp_rpu_apps = { + 'app_name': ['hello_world_r5_0_ddr.elf', 'hello_world_r5_1_ddr.elf'], + 'proc': ['rpu0', 'rpu1'], + 'cpu_num': [4, 5], + 'addr': [0xA00000, 0xB00000], + 'output': ['Successfully ran Hello World application on DDR from RPU0', + 'Successfully ran Hello World application on DDR from RPU1'], + 'tftp_addr': [0x100000, 0x200000], +} +""" + +# Get rpu apps params from env +def get_rpu_apps_env(u_boot_console): + rpu_apps = u_boot_console.config.env.get('env__zynqmp_rpu_apps', False) + if not rpu_apps: + pytest.skip('ZynqMP RPU application info not defined!') + + apps = rpu_apps.get('app_name', None) + if not apps: + pytest.skip('No RPU application found!') + + procs = rpu_apps.get('proc', None) + if not procs: + pytest.skip('No RPU application processor provided!') + + cpu_nums = rpu_apps.get('cpu_num', None) + if not cpu_nums: + pytest.skip('No CPU number for respective processor provided!') + + addrs = rpu_apps.get('addr', None) + if not addrs: + pytest.skip('No RPU application build address found!') + + outputs = rpu_apps.get('output', None) + if not outputs: + pytest.skip('Expected output not found!') + + tftp_addrs = rpu_apps.get('tftp_addr', None) + if not tftp_addrs: + pytest.skip('TFTP address to load application not found!') + + return apps, procs, cpu_nums, addrs, outputs, tftp_addrs + +# Check return code +def ret_code(u_boot_console): + return u_boot_console.run_command('echo $?') + +# Initialize tcm +def tcminit(u_boot_console, rpu_mode): + output = u_boot_console.run_command('zynqmp tcminit %s' % rpu_mode) + assert 'Initializing TCM overwrites TCM content' in output + return ret_code(u_boot_console) + +# Load application in DDR +def load_app_ddr(u_boot_console, tftp_addr, app): + output = u_boot_console.run_command('tftpboot %x %s' % (tftp_addr, app)) + assert 'TIMEOUT' not in output + assert 'Bytes transferred = ' in output + + # Load elf + u_boot_console.run_command('bootelf -p %x' % tftp_addr) + assert ret_code(u_boot_console).endswith('0') + +# Disable cpus +def disable_cpus(u_boot_console, cpu_nums): + for num in cpu_nums: + u_boot_console.run_command(f'cpu {num} disable') + +# Load apps on RPU cores +def rpu_apps_load(u_boot_console, rpu_mode): + apps, procs, cpu_nums, addrs, outputs, tftp_addrs = get_rpu_apps_env( + u_boot_console) + test_net.test_net_dhcp(u_boot_console) + if not test_net.net_set_up: + test_net.test_net_setup_static(u_boot_console) + + try: + assert tcminit(u_boot_console, rpu_mode).endswith('0') + + for i in range(len(apps)): + if rpu_mode == 'lockstep' and procs[i] != 'rpu0': + continue + + load_app_ddr(u_boot_console, tftp_addrs[i], apps[i]) + rel_addr = int(addrs[i] + 0x3C) + + # Release cpu at app load address + cpu_num = cpu_nums[i] + cmd = 'cpu %d release %x %s' % (cpu_num, rel_addr, rpu_mode) + output = u_boot_console.run_command(cmd) + exp_op = f'Using TCM jump trampoline for address {hex(rel_addr)}' + assert exp_op in output + assert f'R5 {rpu_mode} mode' in output + u_boot_console.wait_for(outputs[i]) + assert ret_code(u_boot_console).endswith('0') + finally: + disable_cpus(u_boot_console, cpu_nums) + +@pytest.mark.buildconfigspec('cmd_zynqmp') +def test_zynqmp_rpu_app_load_split(u_boot_console): + rpu_apps_load(u_boot_console, 'split') + +@pytest.mark.buildconfigspec('cmd_zynqmp') +def test_zynqmp_rpu_app_load_lockstep(u_boot_console): + rpu_apps_load(u_boot_console, 'lockstep') + +@pytest.mark.buildconfigspec('cmd_zynqmp') +def test_zynqmp_rpu_app_load_negative(u_boot_console): + apps, procs, cpu_nums, addrs, outputs, tftp_addrs = get_rpu_apps_env( + u_boot_console) + + # Invalid commands + u_boot_console.run_command('zynqmp tcminit mode') + assert ret_code(u_boot_console).endswith('1') + + rand_str = ''.join(random.choices(string.ascii_lowercase, k=4)) + u_boot_console.run_command('zynqmp tcminit %s' % rand_str) + assert ret_code(u_boot_console).endswith('1') + + rand_num = random.randint(2, 100) + u_boot_console.run_command('zynqmp tcminit %d' % rand_num) + assert ret_code(u_boot_console).endswith('1') + + test_net.test_net_dhcp(u_boot_console) + if not test_net.net_set_up: + test_net.test_net_setup_static(u_boot_console) + + try: + rpu_mode = 'split' + assert tcminit(u_boot_console, rpu_mode).endswith('0') + + for i in range(len(apps)): + load_app_ddr(u_boot_console, tftp_addrs[i], apps[i]) + + # Run in split mode at different load address + rel_addr = int(addrs[i]) + random.randint(200, 1000) + cpu_num = cpu_nums[i] + cmd = 'cpu %d release %x %s' % (cpu_num, rel_addr, rpu_mode) + output = u_boot_console.run_command(cmd) + exp_op = f'Using TCM jump trampoline for address {hex(rel_addr)}' + assert exp_op in output + assert f'R5 {rpu_mode} mode' in output + assert not outputs[i] in output + + # Invalid rpu mode + rand_str = ''.join(random.choices(string.ascii_lowercase, k=4)) + cmd = 'cpu %d release %x %s' % (cpu_num, rel_addr, rand_str) + output = u_boot_console.run_command(cmd) + assert exp_op in output + assert f'Unsupported mode' in output + assert not ret_code(u_boot_console).endswith('0') + + # Switch to lockstep mode, without disabling CPUs + rpu_mode = 'lockstep' + u_boot_console.run_command('zynqmp tcminit %s' % rpu_mode) + assert not ret_code(u_boot_console).endswith('0') + + # Disable cpus + disable_cpus(u_boot_console, cpu_nums) + + # Switch to lockstep mode, after disabling CPUs + output = u_boot_console.run_command('zynqmp tcminit %s' % rpu_mode) + assert 'Initializing TCM overwrites TCM content' in output + assert ret_code(u_boot_console).endswith('0') + + # Run lockstep mode for RPU1 + for i in range(len(apps)): + if procs[i] == 'rpu0': + continue + + load_app_ddr(u_boot_console, tftp_addrs[i], apps[i]) + rel_addr = int(addrs[i] + 0x3C) + cpu_num = cpu_nums[i] + cmd = 'cpu %d release %x %s' % (cpu_num, rel_addr, rpu_mode) + output = u_boot_console.run_command(cmd) + exp_op = f'Using TCM jump trampoline for address {hex(rel_addr)}' + assert exp_op in output + assert f'R5 {rpu_mode} mode' in output + assert u_boot_console.p.expect([outputs[i]]) + finally: + disable_cpus(u_boot_console, cpu_nums) + # This forces the console object to be shutdown, so any subsequent test + # will reset the board back into U-Boot. + u_boot_console.drain_console() + u_boot_console.cleanup_spawn()