zephyr/scripts/support/runner/xtensa.py

45 lines
1.3 KiB
Python

# Copyright (c) 2017 Linaro Limited.
#
# SPDX-License-Identifier: Apache-2.0
'''Runner for debugging with xt-gdb.'''
from os import path
from .core import ZephyrBinaryRunner, get_env_or_bail
class XtensaBinaryRunner(ZephyrBinaryRunner):
'''Runner front-end for xt-gdb.'''
def __init__(self, gdb, elf_name, debug=False):
super(XtensaBinaryRunner, self).__init__(debug=debug)
self.gdb_cmd = [gdb]
self.elf_name = elf_name
def replaces_shell_script(shell_script, command):
return command == 'debug' and shell_script == 'xt-gdb.sh'
def create_from_env(command, debug):
'''Create runner from environment.
Required:
- XCC_TOOLS: path to Xtensa tools
- O: build output directory
- KERNEL_ELF_NAME: zephyr kernel binary in ELF format
'''
xt_gdb = path.join(get_env_or_bail('XCC_TOOLS'), 'bin', 'xt-gdb')
elf_name = path.join(get_env_or_bail('O'),
get_env_or_bail('KERNEL_ELF_NAME'))
return XtensaBinaryRunner(xt_gdb, elf_name)
def run(self, command, **kwargs):
if command != 'debug':
raise ValueError('Only debug is supported')
gdb_cmd = (self.gdb_cmd + [self.elf_name])
self.check_call(gdb_cmd)