mirror of
https://github.com/espressif/esp-idf.git
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64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
#
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# Copyright 2021 Espressif Systems (Shanghai) CO., LTD
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from construct import Int16ul, Int32ul, Padding, Struct
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from . import BaseArchMethodsMixin, BaseTargetMethods, ESPCoreDumpLoaderError
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try:
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from typing import Any, Optional, Tuple
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except ImportError:
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pass
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RISCV_GP_REGS_COUNT = 32
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PRSTATUS_SIZE = 204
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PRSTATUS_OFFSET_PR_CURSIG = 12
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PRSTATUS_OFFSET_PR_PID = 24
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PRSTATUS_OFFSET_PR_REG = 72
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ELF_GREGSET_T_SIZE = 128
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PrStruct = Struct(
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Padding(PRSTATUS_OFFSET_PR_CURSIG),
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'pr_cursig' / Int16ul,
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Padding(PRSTATUS_OFFSET_PR_PID - PRSTATUS_OFFSET_PR_CURSIG - Int16ul.sizeof()),
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'pr_pid' / Int32ul,
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Padding(PRSTATUS_OFFSET_PR_REG - PRSTATUS_OFFSET_PR_PID - Int32ul.sizeof()),
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'regs' / Int32ul[RISCV_GP_REGS_COUNT],
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Padding(PRSTATUS_SIZE - PRSTATUS_OFFSET_PR_REG - ELF_GREGSET_T_SIZE)
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)
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class RiscvMethodsMixin(BaseArchMethodsMixin):
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@staticmethod
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def get_registers_from_stack(data, grows_down):
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# type: (bytes, bool) -> Tuple[list[int], Optional[dict[int, int]]]
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regs = Int32ul[RISCV_GP_REGS_COUNT].parse(data)
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if not grows_down:
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raise ESPCoreDumpLoaderError('Growing up stacks are not supported for now!')
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return regs, None
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@staticmethod
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def build_prstatus_data(tcb_addr, task_regs): # type: (int, list[int]) -> Any
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return PrStruct.build({
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'pr_cursig': 0,
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'pr_pid': tcb_addr,
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'regs': task_regs,
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})
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class Esp32c3Methods(BaseTargetMethods, RiscvMethodsMixin):
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TARGET = 'esp32c3'
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