Source code for spinnman.processes.malloc_sdram_process

# Copyright (c) 2017-2019 The University of Manchester
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from spinnman.messages.scp.impl import SDRAMAlloc
from .abstract_multi_connection_process import AbstractMultiConnectionProcess


[docs]class MallocSDRAMProcess(AbstractMultiConnectionProcess): """ A process for allocating a block of SDRAM on a SpiNNaker chip. """ __slots__ = [ "_base_address"] def __init__(self, connection_selector): """ :param connection_selector: :type connection_selector: AbstractMultiConnectionProcessConnectionSelector """ super().__init__(connection_selector) self._base_address = None def _handle_sdram_alloc_response(self, response): self._base_address = response.base_address
[docs] def malloc_sdram(self, x, y, size, app_id, tag): """ Allocate space in the SDRAM space. :param int x: :param int y: :param int size: :param int app_id: :param int tag: """ # pylint: disable=too-many-arguments self._send_request(SDRAMAlloc(x, y, app_id, size, tag), self._handle_sdram_alloc_response) self._finish() self.check_for_error()
@property def base_address(self): """ The address of the allocated memory block. :rtype: int """ return self._base_address