1// -*- mode:c++ -*-
2
3// Copyright (c) 2010 ARM Limited
4// All rights reserved
5//
6// The license below extends only to copyright in the software and shall
7// not be construed as granting a license to any other intellectual
8// property including but not limited to intellectual property relating

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78def template LoadStoreConstructor {{
79 inline %(class_name)s::%(class_name)s(ExtMachInst machInst)
80 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
81 {
82 %(constructor)s;
83 }
84}};
85
86let {{
87 def buildPUBWLCase(p, u, b, w, l):
88 return (p << 4) + (u << 3) + (b << 2) + (w << 1) + (l << 0)
89
90 def buildMode3Inst(p, u, i, w, type, code, mnem):
91 op = ("-", "+")[u]
92 offset = ("%s Rm", "%s hilo")[i] % op
93 ea_code = "EA = Rn %s;" % ("", offset)[p]
94 if p == 0 or w == 1:
95 code += "Rn = Rn %s;" % offset
96 newSuffix = "_P%dU%dI%dW%d" % (p, u, i, w)
97 suffix = ("Reg", "Hilo")[i]
98 return LoadStoreBase(mnem, mnem.capitalize() + newSuffix,
99 ea_code, code, mem_flags = [], inst_flags = [],
100 base_class = 'Memory' + suffix,
101 exec_template_base = type.capitalize())
102}};
103
104def format AddrMode2(imm) {{
105 if eval(imm):
106 imm = True
107 else:
108 imm = False
109
110 header_output = decoder_output = exec_output = ""
111 decode_block = "switch(PUBWL) {\n"
112
113 # Loop over all the values of p, u, b, w and l and build instructions and
114 # a decode block for them.
115 for p in (0, 1):
116 for u in (0, 1):
117 for b in (0, 1):
118 for w in (0, 1):
119 post = (p == 0)
120 user = (p == 0 and w == 0)
121 writeback = (p == 0 or w == 1)
122 add = (u == 1)
123 if b == 0:
124 size = 4
125 else:
126 size = 1
127 if add:
128 addStr = "true"
129 else:
130 addStr = "false"
131 if imm:
132 newDecode = "return new %s(machInst, RD, RN," + \
133 "%s, machInst.immed11_0);"
134 loadClass = loadImmClassName(post, add, writeback,
135 size, False, user)
136 storeClass = storeImmClassName(post, add, writeback,
137 size, False, user)
138 loadDecode = newDecode % (loadClass, addStr)
139 storeDecode = newDecode % (storeClass, addStr)
140 else:
141 newDecode = "return new %s(machInst, RD, RN, %s," + \
142 "machInst.shiftSize," + \
143 "machInst.shift, RM);"
144 loadClass = loadRegClassName(post, add, writeback,
145 size, False, user)
146 storeClass = storeRegClassName(post, add, writeback,
147 size, False, user)
148 loadDecode = newDecode % (loadClass, addStr)
149 storeDecode = newDecode % (storeClass, addStr)
150 decode = '''
151 case %#x:
152 {%s}
153 break;
154 '''
155 decode_block += decode % \
156 (buildPUBWLCase(p,u,b,w,1), loadDecode)
157 decode_block += decode % \
158 (buildPUBWLCase(p,u,b,w,0), storeDecode)
159 decode_block += '''
160 default:
161 return new Unknown(machInst);
162 break;
163 }'''
164}};
165
166def format AddrMode3(l0Type, l0Code, l1Type, l1Code) {{

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