1// -*- mode:c++ -*- 2 3// Copyright (c) 2007-2008 The Florida State University 4// All rights reserved. 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are 8// met: redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28// 29// Authors: Stephen Hines 30// Gabe Black 31 |
32//////////////////////////////////////////////////////////////////// 33// 34// Common microop templates 35// |
36 |
37def template MicroConstructor {{ 38 inline %(class_name)s::%(class_name)s(ExtMachInst machInst, 39 RegIndex _ura, 40 RegIndex _urb, 41 uint8_t _imm) 42 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, 43 _ura, _urb, _imm) 44 { 45 %(constructor)s; 46 } 47}}; 48 |
49//////////////////////////////////////////////////////////////////// 50// |
51// Load/store microops |
52// 53 |
54def template MicroMemDeclare {{ |
55 class %(class_name)s : public %(base_class)s 56 { 57 public: 58 %(class_name)s(ExtMachInst machInst, 59 RegIndex _ura, RegIndex _urb, 60 uint8_t _imm); 61 %(BasicExecDeclare)s |
62 %(InitiateAccDeclare)s 63 %(CompleteAccDeclare)s |
64 }; 65}}; 66 |
67let {{ 68 microLdrUopIop = InstObjParams('ldr_uop', 'MicroLdrUop', 69 'MicroMemOp', 70 {'memacc_code': 'Ra = Mem;', 71 'ea_code': 'EA = Rb + (UP ? imm : -imm);', 72 'predicate_test': predicateTest}, 73 ['IsMicroop']) 74 75 microStrUopIop = InstObjParams('str_uop', 'MicroStrUop', 76 'MicroMemOp', 77 {'memacc_code': 'Mem = Ra;', 78 'ea_code': 'EA = Rb + (UP ? imm : -imm);', 79 'predicate_test': predicateTest}, 80 ['IsMicroop']) 81 82 header_output = MicroMemDeclare.subst(microLdrUopIop) + \ 83 MicroMemDeclare.subst(microStrUopIop) 84 decoder_output = MicroConstructor.subst(microLdrUopIop) + \ 85 MicroConstructor.subst(microStrUopIop) 86 exec_output = LoadExecute.subst(microLdrUopIop) + \ 87 StoreExecute.subst(microStrUopIop) + \ 88 LoadInitiateAcc.subst(microLdrUopIop) + \ 89 StoreInitiateAcc.subst(microStrUopIop) + \ 90 LoadCompleteAcc.subst(microLdrUopIop) + \ 91 StoreCompleteAcc.subst(microStrUopIop) 92}}; 93 94//////////////////////////////////////////////////////////////////// 95// 96// Integer = Integer op Immediate microops 97// 98 99def template MicroIntDeclare {{ 100 class %(class_name)s : public %(base_class)s |
101 { |
102 public: 103 %(class_name)s(ExtMachInst machInst, 104 RegIndex _ura, RegIndex _urb, 105 uint8_t _imm); 106 %(BasicExecDeclare)s 107 }; |
108}}; 109 110let {{ 111 microAddiUopIop = InstObjParams('addi_uop', 'MicroAddiUop', 112 'MicroIntOp', 113 {'code': 'Ra = Rb + imm;', 114 'predicate_test': predicateTest}, 115 ['IsMicroop']) 116 117 microSubiUopIop = InstObjParams('subi_uop', 'MicroSubiUop', 118 'MicroIntOp', 119 {'code': 'Ra = Rb - imm;', 120 'predicate_test': predicateTest}, 121 ['IsMicroop']) 122 123 header_output = MicroIntDeclare.subst(microAddiUopIop) + \ 124 MicroIntDeclare.subst(microSubiUopIop) |
125 decoder_output = MicroConstructor.subst(microAddiUopIop) + \ 126 MicroConstructor.subst(microSubiUopIop) |
127 exec_output = PredOpExecute.subst(microAddiUopIop) + \ 128 PredOpExecute.subst(microSubiUopIop) 129}}; 130 131//////////////////////////////////////////////////////////////////// 132// 133// Macro Memory-format instructions 134// --- 57 unchanged lines hidden (view full) --- 192 193 unsigned j = 0; 194 for (int i = 1; i < ones+1; i++) { 195 // Get next available bit for transfer 196 while (! ( regs_to_handle & (1<<j))) 197 j++; 198 regs_to_handle &= ~(1<<j); 199 |
200 if (loadop) 201 microOps[i] = new MicroLdrUop(machInst, j, 17, start_addr); 202 else 203 microOps[i] = new MicroStrUop(machInst, j, 17, start_addr); |
204 205 if (up) 206 start_addr += 4; 207 else 208 start_addr -= 4; 209 } 210 211 if (writeback) { --- 121 unchanged lines hidden --- |