1//===-- AVR.td - Describe the AVR Target Machine ----------*- tablegen -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===---------------------------------------------------------------------===//
8// This is the top level entry point for the AVR target.
9//===---------------------------------------------------------------------===//
10
11//===---------------------------------------------------------------------===//
12// Target-independent interfaces which we are implementing
13//===---------------------------------------------------------------------===//
14
15include "llvm/Target/Target.td"
16
17//===---------------------------------------------------------------------===//
18// AVR Device Definitions
19//===---------------------------------------------------------------------===//
20
21include "AVRDevices.td"
22
23//===---------------------------------------------------------------------===//
24// Register File Description
25//===---------------------------------------------------------------------===//
26
27include "AVRRegisterInfo.td"
28
29//===---------------------------------------------------------------------===//
30// Instruction Descriptions
31//===---------------------------------------------------------------------===//
32
33include "AVRInstrInfo.td"
34
35def AVRInstrInfo : InstrInfo;
36
37//===---------------------------------------------------------------------===//
38// Calling Conventions
39//===---------------------------------------------------------------------===//
40
41include "AVRCallingConv.td"
42
43//===---------------------------------------------------------------------===//
44// Assembly Printers
45//===---------------------------------------------------------------------===//
46
47def AVRAsmWriter : AsmWriter {
48  string AsmWriterClassName = "InstPrinter";
49  bit isMCAsmWriter = 1;
50}
51
52//===---------------------------------------------------------------------===//
53// Assembly Parsers
54//===---------------------------------------------------------------------===//
55
56def AVRAsmParser : AsmParser {
57  let ShouldEmitMatchRegisterName = 1;
58  let ShouldEmitMatchRegisterAltName = 1;
59}
60
61def AVRAsmParserVariant : AsmParserVariant {
62  int Variant = 0;
63
64  // Recognize hard coded registers.
65  string RegisterPrefix = "$";
66  string TokenizingCharacters = "+";
67}
68
69//===---------------------------------------------------------------------===//
70// Target Declaration
71//===---------------------------------------------------------------------===//
72
73def AVR : Target {
74  let InstructionSet = AVRInstrInfo;
75  let AssemblyWriters = [AVRAsmWriter];
76
77  let AssemblyParsers = [AVRAsmParser];
78  let AssemblyParserVariants = [AVRAsmParserVariant];
79}
80