try:
from typing import Any, Optional, Tuple
except ImportError:
pass
RISCV_GP_REGS_COUNT = 32
PRSTATUS_SIZE = 204
PRSTATUS_OFFSET_PR_CURSIG = 12
PRSTATUS_OFFSET_PR_PID = 24
PRSTATUS_OFFSET_PR_REG = 72
ELF_GREGSET_T_SIZE = 128
PrStruct = Struct(
Padding(PRSTATUS_OFFSET_PR_CURSIG), 'pr_cursig' / Int16ul,
Padding(PRSTATUS_OFFSET_PR_PID - PRSTATUS_OFFSET_PR_CURSIG -
Int16ul.sizeof()), 'pr_pid' / Int32ul,
Padding(PRSTATUS_OFFSET_PR_REG - PRSTATUS_OFFSET_PR_PID -
Int32ul.sizeof()), 'regs' / Int32ul[RISCV_GP_REGS_COUNT],
Padding(PRSTATUS_SIZE - PRSTATUS_OFFSET_PR_REG - ELF_GREGSET_T_SIZE))
class RiscvMethodsMixin(BaseArchMethodsMixin):
@staticmethod
def get_registers_from_stack(data, grows_down):
# type: (bytes, bool) -> Tuple[list[int], Optional[dict[int, int]]]
regs = Int32ul[RISCV_GP_REGS_COUNT].parse(data)
if not grows_down:
raise ESPCoreDumpLoaderError(
'Growing up stacks are not supported for now!')
return regs, None
def checksum_16(data):
c = 0
for i in range(len(data) // 2):
c = c + (data[i * 2 + 1] << 8) + data[i * 2]
return c & 0xFFFF
WriteCommand = Struct("address" / Int16ul, "value" / Int16ul)
WriteMessageRequest = Struct(
"fields" / RawCopy(
Struct(
"length" / Rebuild(
Int16ul,
len_(this.items) * WriteCommand.sizeof() // Int16ul.sizeof() +
2,
),
"command" /
Const(vlxDevConstants.WS_WEB_UI_COMMAND_WRITE_DATA, Int16ul),
"items" / WriteCommand[len_(this.items)],
)),
"checksum" /
Checksum(Int16ul, lambda data: checksum_16(data), this.fields.data),
)
ReadTableResponse = GreedyRange(Int16ub)
ReadTableRequest = Struct(
"fields" / RawCopy(
Struct(