113 lines
2.4 KiB
Python
113 lines
2.4 KiB
Python
#!/usr/bin/python3
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# The OS/K Team licenses this file to you under the MIT license.
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# See the LICENSE file in the project root for more information.
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from tempfile import TemporaryFile
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fi = open("INSTRS")
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hd = open("arch_i.h", "w")
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ls = open("instrs.lst", "w")
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count = 0
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hd.write("// Auto-generated by arch_i.py from INSTRS\n\n");
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hd.write("#ifdef _NEED_ARCH_I\n")
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hd.write("instr_t arch_i[] =\n{\n\n")
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hd.write("#endif\n")
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fp = TemporaryFile(mode="w+")
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def getflag(s):
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if s == "r":
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return "P_REG"
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if s == "i":
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return "P_IMM"
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if s == "m":
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return "P_MEM"
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return "__ERROR__"
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# "instr ri ri" => "instr r r\ninstr r i\ninstr i r..."
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# not optimal but will do for now
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for _, line in enumerate(fi):
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if line[0] == '#' or line[0] == ' ' or line[0] == '\n':
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continue
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tok = line.strip().split(' ')
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if len(tok) == 0:
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continue
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i = tok[0].strip()
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if len(tok) == 1:
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fp.write("{}\n".format(i))
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continue
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if len(tok) == 2:
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p = tok[1].strip()
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for c in p:
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fp.write("{} {}\n".format(i, c))
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continue
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assert(len(tok) == 3)
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p1 = tok[1].strip()
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p2 = tok[2].strip()
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for c1 in p1:
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for c2 in p2:
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fp.write("{} {} {}\n".format(i, c1, c2))
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fp.seek(0)
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for _, line in enumerate(fp):
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tok = line.strip().split(' ')
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if len(tok) == 1:
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name = tok[0]
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p1 = "NOPRM"
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p2 = "NOPRM"
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elif len(tok) == 2:
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name = "{}_{}".format(tok[0], tok[1].strip())
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p1 = getflag(tok[1])
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p2 = "NOPRM"
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elif len(tok) == 3:
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name = "{}_{}_{}".format(tok[0], tok[1], tok[2].strip())
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p1 = getflag(tok[1])
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p2 = getflag(tok[2])
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else:
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name = "__ERROR__"
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p1 = "__ERROR__"
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p2 = "__ERROR__"
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ls.write("{}\n".format(name));
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hd.write("#ifdef _NEED_ARCH_I\n")
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hd.write('{{ "{}", "{}", {}, {}, i_{} }},\n'\
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.format(tok[0], name, p1, p2, tok[0]))
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hd.write("#else\n")
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hd.write("#define I_{} {}\n".format(name.upper(), count))
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hd.write("extern void i_{}(ctx_t *, acc_t *, acc_t *);\n"
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.format(tok[0]))
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hd.write("#endif\n\n")
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count = count + 1
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hd.write("#ifdef _NEED_ARCH_I\n")
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hd.write("};\n")
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hd.write("#else\n")
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hd.write("#define NINSTRS {}\n\n".format(count))
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hd.write("#endif\n")
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ls.close()
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hd.close()
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fi.close()
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