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# -*- coding: utf-8 -*-
#
# AWL simulator - Operator types
#
# Copyright 2012-2018 Michael Buesch <m@bues.ch>
#
# 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 2 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.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from __future__ import division, absolute_import, print_function, unicode_literals
#from awlsim.common.cython_support cimport * #@cy
from awlsim.common.compat import *
from awlsim.common.enumeration import *
from awlsim.common.util import *
from awlsim.common.exceptions import *
from awlsim.core.memory import * #+cimport
__all__ = [
"AwlOperatorTypes",
"AwlOperatorWidths",
"makeAwlOperatorWidthMask",
"AwlIndirectOpConst",
]
class __AwlOperatorTypesClass(object): #+cdef
def __init__(self):
EnumGen.start # Operator types
self._IMM_START = EnumGen.item
self.IMM = EnumGen.item # Immediate value (constant)
self.IMM_REAL = EnumGen.item # Real
self.IMM_S5T = EnumGen.item # S5T immediate
self.IMM_TIME = EnumGen.item # T# immediate
self.IMM_DATE = EnumGen.item # D# immediate
self.IMM_TOD = EnumGen.item # TOD# immediate
self.IMM_DT = EnumGen.item # DT# immediate
self.IMM_PTR = EnumGen.item # Pointer immediate (P#x.y, P#area x.y, P#DBn.DBX x.y)
self.IMM_STR = EnumGen.item # STRING immediate ('abc')
self._IMM_END = EnumGen.item
self.MEM_E = EnumGen.item # Input
self.MEM_A = EnumGen.item # Output
self.MEM_M = EnumGen.item # Flags
self.MEM_L = EnumGen.item # Localstack
self.MEM_VL = EnumGen.item # Parent localstack (indirect access)
self.MEM_DB = EnumGen.item # Global datablock
self.MEM_DI = EnumGen.item # Instance datablock
self.MEM_T = EnumGen.item # Timer
self.MEM_Z = EnumGen.item # Counter
self.MEM_PA = EnumGen.item # Peripheral output
self.MEM_PE = EnumGen.item # Peripheral input
self.MEM_STW = EnumGen.item # Status word bit read
self.MEM_STW_Z = EnumGen.item # Status word "==0" read
self.MEM_STW_NZ = EnumGen.item # Status word "<>0" read
self.MEM_STW_POS = EnumGen.item # Status word ">0" read
self.MEM_STW_NEG = EnumGen.item # Status word "<0" read
self.MEM_STW_POSZ = EnumGen.item # Status word ">=0" read
self.MEM_STW_NEGZ = EnumGen.item # Status word "<=0" read
self.MEM_STW_UO = EnumGen.item # Status word "UO" read
self.MEM_DBLG = EnumGen.item # DB-register: DB length
self.MEM_DBNO = EnumGen.item # DB-register: DB number
self.MEM_DILG = EnumGen.item # DI-register: DB length
self.MEM_DINO = EnumGen.item # DI-register: DB number
self.MEM_AR2 = EnumGen.item # AR2 register
self.BLKREF_FC = EnumGen.item # FC reference
self.BLKREF_SFC = EnumGen.item # SFC reference
self.BLKREF_FB = EnumGen.item # FB reference
self.BLKREF_SFB = EnumGen.item # SFB reference
self.BLKREF_UDT = EnumGen.item # UDT reference
self.BLKREF_DB = EnumGen.item # DB reference
self.BLKREF_DI = EnumGen.item # DI reference
self.BLKREF_OB = EnumGen.item # OB reference (only symbol table)
self.BLKREF_VAT = EnumGen.item # VAT reference (only symbol table)
self.MULTI_FB = EnumGen.item # FB multiinstance reference
self.MULTI_SFB = EnumGen.item # SFB multiinstance reference
self.LBL_REF = EnumGen.item # Label reference
self.SYMBOLIC = EnumGen.item # Classic symbolic reference ("xyz")
self.NAMED_LOCAL = EnumGen.item # Named local reference (#abc)
self.NAMED_LOCAL_PTR = EnumGen.item # Pointer to named local (P##abc)
self.NAMED_DBVAR = EnumGen.item # Named DB variable reference (DBx.VAR)
self.INDIRECT = EnumGen.item # Indirect access
self.UNSPEC = EnumGen.item # Not (yet) specified memory region
# Virtual operators used internally in awlsim, only.
# These operators do not have standard AWL mnemonics.
self.VIRT_ACCU = EnumGen.item # Accu
self.VIRT_AR = EnumGen.item # AR
self.VIRT_DBR = EnumGen.item # DB and DI registers
EnumGen.end # Operator types
# Type to string map
self.type2str = {
self.IMM : "IMMEDIATE",
self.IMM_REAL : "REAL",
self.IMM_S5T : "S5T",
self.IMM_TIME : "TIME",
self.IMM_DATE : "DATE",
self.IMM_TOD : "TOD",
self.IMM_DT : "DT",
self.IMM_PTR : "P#",
self.MEM_E : "E",
self.MEM_A : "A",
self.MEM_M : "M",
self.MEM_L : "L",
self.MEM_VL : "VL",
self.MEM_DB : "DB",
self.MEM_DI : "DI",
self.MEM_T : "T",
self.MEM_Z : "Z",
self.MEM_PA : "PA",
self.MEM_PE : "PE",
self.MEM_DBLG : "DBLG",
self.MEM_DBNO : "DBNO",
self.MEM_DILG : "DILG",
self.MEM_DINO : "DINO",
self.MEM_AR2 : "AR2",
self.MEM_STW : "STW",
self.MEM_STW_Z : "==0",
self.MEM_STW_NZ : "<>0",
self.MEM_STW_POS : ">0",
self.MEM_STW_NEG : "<0",
self.MEM_STW_POSZ : ">=0",
self.MEM_STW_NEGZ : "<=0",
self.MEM_STW_UO : "UO",
self.LBL_REF : "LABEL",
self.BLKREF_FC : "BLOCK_FC",
self.BLKREF_SFC : "BLOCK_SFC",
self.BLKREF_FB : "BLOCK_FB",
self.BLKREF_SFB : "BLOCK_SFB",
self.BLKREF_UDT : "BLOCK_UDT",
self.BLKREF_DB : "BLOCK_DB",
self.BLKREF_DI : "BLOCK_DI",
self.BLKREF_OB : "BLOCK_OB",
self.BLKREF_VAT : "BLOCK_VAT",
self.INDIRECT : "__INDIRECT",
self.VIRT_ACCU : "__ACCU",
self.VIRT_AR : "__AR",
self.VIRT_DBR : "__DBR",
}
AwlOperatorTypes = __AwlOperatorTypesClass() #+cdef-public-__AwlOperatorTypesClass
# Make a "width mask".
# That is a bit mask representing a width.
# Different width masks can be ORed together.
# It must be assured that width is either 1, bigger than 32 or a multiple of 8.
# The Cython variant of this function is defined in .pxd.in
def makeAwlOperatorWidthMask(width): #@nocy
return (1 << (width // 8)) if (width <= 32) else 0x10000 #@nocy
class __AwlOperatorWidthsClass(object): #+cdef
def __init__(self):
self.WIDTH_MASK_1 = makeAwlOperatorWidthMask(1)
self.WIDTH_MASK_8 = makeAwlOperatorWidthMask(8)
self.WIDTH_MASK_16 = makeAwlOperatorWidthMask(16)
self.WIDTH_MASK_24 = makeAwlOperatorWidthMask(24)
self.WIDTH_MASK_32 = makeAwlOperatorWidthMask(32)
self.WIDTH_MASK_COMP = makeAwlOperatorWidthMask(0xFFFF) # Compound type
self.WIDTH_MASK_8_16_32 = self.WIDTH_MASK_8 |\
self.WIDTH_MASK_16 |\
self.WIDTH_MASK_32
self.WIDTH_MASK_SCALAR = self.WIDTH_MASK_1 |\
self.WIDTH_MASK_8_16_32
self.WIDTH_MASK_ALL = self.WIDTH_MASK_SCALAR |\
self.WIDTH_MASK_24 |\
self.WIDTH_MASK_COMP
def maskToList(self, widthMask):
ret = []
if widthMask & self.WIDTH_MASK_1:
ret.append(1)
if widthMask & self.WIDTH_MASK_8:
ret.append(8)
if widthMask & self.WIDTH_MASK_16:
ret.append(16)
if widthMask & self.WIDTH_MASK_24:
ret.append(24)
if widthMask & self.WIDTH_MASK_32:
ret.append(32)
return ret
AwlOperatorWidths = __AwlOperatorWidthsClass() #+cdef-public-__AwlOperatorWidthsClass
assert(AwlOperatorWidths.WIDTH_MASK_1 == (1 << 0))
assert(AwlOperatorWidths.WIDTH_MASK_8 == (1 << 1))
assert(AwlOperatorWidths.WIDTH_MASK_16 == (1 << 2))
assert(AwlOperatorWidths.WIDTH_MASK_24 == (1 << 3))
assert(AwlOperatorWidths.WIDTH_MASK_32 == (1 << 4))
assert(AwlOperatorWidths.WIDTH_MASK_COMP == (1 << 16))
class __AwlIndirectOpConstClass(object): #+cdef
def __init__(self):
# Address register
self.AR_NONE = 0 # No address register
self.AR_1 = 1 # Use AR1
self.AR_2 = 2 # Use AR2
# Area code position
self.AREA_SHIFT = 24
self.AREA_MASK = 0xFF
self.AREA_MASK_S = self.AREA_MASK << self.AREA_SHIFT
# Area codes
self.AREA_NONE = 0x00
self.AREA_P = 0x80 # Peripheral area
self.AREA_E = 0x81 # Input
self.AREA_A = 0x82 # Output
self.AREA_M = 0x83 # Flags
self.AREA_DB = 0x84 # Global datablock
self.AREA_DI = 0x85 # Instance datablock
self.AREA_L = 0x86 # Localstack
self.AREA_VL = 0x87 # Parent localstack
# Area codes (shifted to the pointer location)
self.AREA_NONE_S = self.AREA_NONE << self.AREA_SHIFT
self.AREA_P_S = self.AREA_P << self.AREA_SHIFT
self.AREA_E_S = self.AREA_E << self.AREA_SHIFT
self.AREA_A_S = self.AREA_A << self.AREA_SHIFT
self.AREA_M_S = self.AREA_M << self.AREA_SHIFT
self.AREA_DB_S = self.AREA_DB << self.AREA_SHIFT
self.AREA_DI_S = self.AREA_DI << self.AREA_SHIFT
self.AREA_L_S = self.AREA_L << self.AREA_SHIFT
self.AREA_VL_S = self.AREA_VL << self.AREA_SHIFT
# Pointer area constants
self.EXT_AREA_MASK = 0xFFFF
self.EXT_AREA_MASK_S = self.EXT_AREA_MASK << self.AREA_SHIFT
# Extended area encodings. Only used for internal purposes.
# These are not used in the interpreted AWL code.
self.EXT_AREA_T = 0x01FF # Timer
self.EXT_AREA_Z = 0x02FF # Counter
self.EXT_AREA_BLKREF_DB = 0x03FF # DB block reference
self.EXT_AREA_BLKREF_DI = 0x04FF # DI block reference
self.EXT_AREA_BLKREF_FB = 0x05FF # FB block reference
self.EXT_AREA_BLKREF_FC = 0x06FF # FC block reference
# Extended area encodings (shifted).
self.EXT_AREA_T_S = self.EXT_AREA_T << self.AREA_SHIFT
self.EXT_AREA_Z_S = self.EXT_AREA_Z << self.AREA_SHIFT
self.EXT_AREA_BLKREF_DB_S = self.EXT_AREA_BLKREF_DB << self.AREA_SHIFT
self.EXT_AREA_BLKREF_DI_S = self.EXT_AREA_BLKREF_DI << self.AREA_SHIFT
self.EXT_AREA_BLKREF_FB_S = self.EXT_AREA_BLKREF_FB << self.AREA_SHIFT
self.EXT_AREA_BLKREF_FC_S = self.EXT_AREA_BLKREF_FC << self.AREA_SHIFT
# Method for converting area code to operator type for store and fetch operations.
def area2optype(self, area, store): #@nocy
#@cy cdef int32_t area2optype(self, uint64_t area, _Bool store):
if area == self.AREA_M_S:
return AwlOperatorTypes.MEM_M
elif area == self.AREA_E_S:
return AwlOperatorTypes.MEM_E
elif area == self.AREA_A_S:
return AwlOperatorTypes.MEM_A
elif area == self.AREA_L_S:
return AwlOperatorTypes.MEM_L
elif area == self.AREA_VL_S:
return AwlOperatorTypes.MEM_VL
elif area == self.AREA_DB_S:
return AwlOperatorTypes.MEM_DB
elif area == self.AREA_DI_S:
return AwlOperatorTypes.MEM_DI
elif area == self.EXT_AREA_T_S:
return AwlOperatorTypes.MEM_T
elif area == self.EXT_AREA_Z_S:
return AwlOperatorTypes.MEM_Z
elif area == self.AREA_P_S:
if store:
return AwlOperatorTypes.MEM_PA
return AwlOperatorTypes.MEM_PE
elif area == self.EXT_AREA_BLKREF_DB_S:
return AwlOperatorTypes.BLKREF_DB
elif area == self.EXT_AREA_BLKREF_DI_S:
return AwlOperatorTypes.BLKREF_DI
elif area == self.EXT_AREA_BLKREF_FB_S:
return AwlOperatorTypes.BLKREF_FB
elif area == self.EXT_AREA_BLKREF_FC_S:
return AwlOperatorTypes.BLKREF_FC
return -1
# Method for converting operator type to area code
def optype2area(self, operType): #@nocy
#@cy cdef int64_t optype2area(self, uint32_t operType):
if operType == AwlOperatorTypes.MEM_M:
return self.AREA_M_S
elif operType == AwlOperatorTypes.MEM_E:
return self.AREA_E_S
elif operType == AwlOperatorTypes.MEM_A:
return self.AREA_A_S
elif operType == AwlOperatorTypes.MEM_L:
return self.AREA_L_S
elif operType == AwlOperatorTypes.MEM_VL:
return self.AREA_VL_S
elif operType == AwlOperatorTypes.MEM_DB or\
operType == AwlOperatorTypes.NAMED_DBVAR:
return self.AREA_DB_S
elif operType == AwlOperatorTypes.MEM_DI or\
operType == AwlOperatorTypes.MULTI_FB or\
operType == AwlOperatorTypes.MULTI_SFB:
return self.AREA_DI_S
elif operType == AwlOperatorTypes.MEM_T:
return self.EXT_AREA_T_S
elif operType == AwlOperatorTypes.MEM_Z:
return self.EXT_AREA_Z_S
elif operType == AwlOperatorTypes.MEM_PE or\
operType == AwlOperatorTypes.MEM_PA:
return self.AREA_P_S
elif operType == AwlOperatorTypes.BLKREF_DB:
return self.EXT_AREA_BLKREF_DB_S
elif operType == AwlOperatorTypes.BLKREF_DI:
return self.EXT_AREA_BLKREF_DI_S
elif operType == AwlOperatorTypes.BLKREF_FB:
return self.EXT_AREA_BLKREF_FB_S
elif operType == AwlOperatorTypes.BLKREF_FC:
return self.EXT_AREA_BLKREF_FC_S
elif operType == AwlOperatorTypes.UNSPEC:
return self.AREA_NONE_S
return -1
AwlIndirectOpConst = __AwlIndirectOpConstClass() #+cdef-public-__AwlIndirectOpConstClass
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