process.cc (3114:7a4771b9b720) process.cc (3415:72c48f292f6a)
1/*
2 * Copyright (c) 2003-2004 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 52 unchanged lines hidden (view full) ---

61 stack_base = (Addr)0x80000000000ULL;
62
63 // Set up region for mmaps. Tru64 seems to start just above 0 and
64 // grow up from there.
65 mmap_start = mmap_end = 0xfffff80000000000ULL;
66
67 // Set pointer for next thread stack. Reserve 8M for main stack.
68 next_thread_stack_base = stack_base - (8 * 1024 * 1024);
1/*
2 * Copyright (c) 2003-2004 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 52 unchanged lines hidden (view full) ---

61 stack_base = (Addr)0x80000000000ULL;
62
63 // Set up region for mmaps. Tru64 seems to start just above 0 and
64 // grow up from there.
65 mmap_start = mmap_end = 0xfffff80000000000ULL;
66
67 // Set pointer for next thread stack. Reserve 8M for main stack.
68 next_thread_stack_base = stack_base - (8 * 1024 * 1024);
69
70 //Initialize these to 0s
71 fillStart = 0;
72 spillStart = 0;
69}
70
71void
72SparcLiveProcess::startup()
73{
74 argsInit(MachineBytes, VMPageSize);
75
76 //From the SPARC ABI

--- 6 unchanged lines hidden (view full) ---

83
84 threadContexts[0]->setMiscReg(MISCREG_TICK, 0);
85 //
86 /*
87 * Register window management registers
88 */
89
90 //No windows contain info from other programs
73}
74
75void
76SparcLiveProcess::startup()
77{
78 argsInit(MachineBytes, VMPageSize);
79
80 //From the SPARC ABI

--- 6 unchanged lines hidden (view full) ---

87
88 threadContexts[0]->setMiscReg(MISCREG_TICK, 0);
89 //
90 /*
91 * Register window management registers
92 */
93
94 //No windows contain info from other programs
91 threadContexts[0]->setMiscRegWithEffect(MISCREG_OTHERWIN, 0);
95 threadContexts[0]->setMiscReg(MISCREG_OTHERWIN, 0);
92 //There are no windows to pop
96 //There are no windows to pop
93 threadContexts[0]->setMiscRegWithEffect(MISCREG_CANRESTORE, 0);
97 threadContexts[0]->setMiscReg(MISCREG_CANRESTORE, 0);
94 //All windows are available to save into
98 //All windows are available to save into
95 threadContexts[0]->setMiscRegWithEffect(MISCREG_CANSAVE, NWindows - 2);
99 threadContexts[0]->setMiscReg(MISCREG_CANSAVE, NWindows - 2);
96 //All windows are "clean"
100 //All windows are "clean"
97 threadContexts[0]->setMiscRegWithEffect(MISCREG_CLEANWIN, NWindows);
101 threadContexts[0]->setMiscReg(MISCREG_CLEANWIN, NWindows);
98 //Start with register window 0
102 //Start with register window 0
99 threadContexts[0]->setMiscRegWithEffect(MISCREG_CWP, 0);
103 threadContexts[0]->setMiscReg(MISCREG_CWP, 0);
104 //Always use spill and fill traps 0
105 threadContexts[0]->setMiscReg(MISCREG_WSTATE, 0);
106 //Set the trap level to 0
107 threadContexts[0]->setMiscReg(MISCREG_TL, 0);
100}
101
102m5_auxv_t buildAuxVect(int64_t type, int64_t val)
103{
104 m5_auxv_t result;
105 result.a_type = TheISA::htog(type);
106 result.a_val = TheISA::htog(val);
107 return result;
108}
109
108}
109
110m5_auxv_t buildAuxVect(int64_t type, int64_t val)
111{
112 m5_auxv_t result;
113 result.a_type = TheISA::htog(type);
114 result.a_val = TheISA::htog(val);
115 return result;
116}
117
118//We only use 19 instructions for the trap handlers, but there would be
119//space for 32 in a real SPARC trap table.
120const int numFillInsts = 32;
121const int numSpillInsts = 32;
122
123MachInst fillHandler[numFillInsts] =
124{
125 htog(0x87802018), //wr %g0, ASI_AIUP, %asi
126 htog(0xe0dba7ff), //ldxa [%sp + BIAS + (0*8)] %asi, %l0
127 htog(0xe2dba807), //ldxa [%sp + BIAS + (1*8)] %asi, %l1
128 htog(0xe4dba80f), //ldxa [%sp + BIAS + (2*8)] %asi, %l2
129 htog(0xe6dba817), //ldxa [%sp + BIAS + (3*8)] %asi, %l3
130 htog(0xe8dba81f), //ldxa [%sp + BIAS + (4*8)] %asi, %l4
131 htog(0xeadba827), //ldxa [%sp + BIAS + (5*8)] %asi, %l5
132 htog(0xecdba82f), //ldxa [%sp + BIAS + (6*8)] %asi, %l6
133 htog(0xeedba837), //ldxa [%sp + BIAS + (7*8)] %asi, %l7
134 htog(0xf0dba83f), //ldxa [%sp + BIAS + (8*8)] %asi, %i0
135 htog(0xf2dba847), //ldxa [%sp + BIAS + (9*8)] %asi, %i1
136 htog(0xf4dba84f), //ldxa [%sp + BIAS + (10*8)] %asi, %i2
137 htog(0xf6dba857), //ldxa [%sp + BIAS + (11*8)] %asi, %i3
138 htog(0xf8dba85f), //ldxa [%sp + BIAS + (12*8)] %asi, %i4
139 htog(0xfadba867), //ldxa [%sp + BIAS + (13*8)] %asi, %i5
140 htog(0xfcdba86f), //ldxa [%sp + BIAS + (14*8)] %asi, %i6
141 htog(0xfedba877), //ldxa [%sp + BIAS + (15*8)] %asi, %i7
142 htog(0x83880000), //restored
143 htog(0x83F00000), //retry
144 htog(0x00000000), //illtrap
145 htog(0x00000000), //illtrap
146 htog(0x00000000), //illtrap
147 htog(0x00000000), //illtrap
148 htog(0x00000000), //illtrap
149 htog(0x00000000), //illtrap
150 htog(0x00000000), //illtrap
151 htog(0x00000000), //illtrap
152 htog(0x00000000), //illtrap
153 htog(0x00000000), //illtrap
154 htog(0x00000000), //illtrap
155 htog(0x00000000), //illtrap
156 htog(0x00000000) //illtrap
157};
158
159MachInst spillHandler[numSpillInsts] =
160{
161 htog(0x87802018), //wr %g0, ASI_AIUP, %asi
162 htog(0xe0f3a7ff), //stxa %l0, [%sp + BIAS + (0*8)] %asi
163 htog(0xe2f3a807), //stxa %l1, [%sp + BIAS + (1*8)] %asi
164 htog(0xe4f3a80f), //stxa %l2, [%sp + BIAS + (2*8)] %asi
165 htog(0xe6f3a817), //stxa %l3, [%sp + BIAS + (3*8)] %asi
166 htog(0xe8f3a81f), //stxa %l4, [%sp + BIAS + (4*8)] %asi
167 htog(0xeaf3a827), //stxa %l5, [%sp + BIAS + (5*8)] %asi
168 htog(0xecf3a82f), //stxa %l6, [%sp + BIAS + (6*8)] %asi
169 htog(0xeef3a837), //stxa %l7, [%sp + BIAS + (7*8)] %asi
170 htog(0xf0f3a83f), //stxa %i0, [%sp + BIAS + (8*8)] %asi
171 htog(0xf2f3a847), //stxa %i1, [%sp + BIAS + (9*8)] %asi
172 htog(0xf4f3a84f), //stxa %i2, [%sp + BIAS + (10*8)] %asi
173 htog(0xf6f3a857), //stxa %i3, [%sp + BIAS + (11*8)] %asi
174 htog(0xf8f3a85f), //stxa %i4, [%sp + BIAS + (12*8)] %asi
175 htog(0xfaf3a867), //stxa %i5, [%sp + BIAS + (13*8)] %asi
176 htog(0xfcf3a86f), //stxa %i6, [%sp + BIAS + (14*8)] %asi
177 htog(0xfef3a877), //stxa %i7, [%sp + BIAS + (15*8)] %asi
178 htog(0x81880000), //saved
179 htog(0x83F00000), //retry
180 htog(0x00000000), //illtrap
181 htog(0x00000000), //illtrap
182 htog(0x00000000), //illtrap
183 htog(0x00000000), //illtrap
184 htog(0x00000000), //illtrap
185 htog(0x00000000), //illtrap
186 htog(0x00000000), //illtrap
187 htog(0x00000000), //illtrap
188 htog(0x00000000), //illtrap
189 htog(0x00000000), //illtrap
190 htog(0x00000000), //illtrap
191 htog(0x00000000), //illtrap
192 htog(0x00000000) //illtrap
193};
194
110void
111SparcLiveProcess::argsInit(int intSize, int pageSize)
112{
113 Process::startup();
114
115 string filename;
116 if(argv.size() < 1)
117 filename = "";

--- 194 unchanged lines hidden (view full) ---

312 initVirtMem->writeBlob(auxv_array_base + 2 * intSize * auxv.size(),
313 (uint8_t*)&zero, 2 * intSize);
314
315 copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
316 copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
317
318 initVirtMem->writeBlob(argc_base, (uint8_t*)&guestArgc, intSize);
319
195void
196SparcLiveProcess::argsInit(int intSize, int pageSize)
197{
198 Process::startup();
199
200 string filename;
201 if(argv.size() < 1)
202 filename = "";

--- 194 unchanged lines hidden (view full) ---

397 initVirtMem->writeBlob(auxv_array_base + 2 * intSize * auxv.size(),
398 (uint8_t*)&zero, 2 * intSize);
399
400 copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
401 copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);
402
403 initVirtMem->writeBlob(argc_base, (uint8_t*)&guestArgc, intSize);
404
405 //Stuff the trap handlers into the processes address space.
406 //Since the stack grows down and is the highest area in the processes
407 //address space, we can put stuff above it and stay out of the way.
408 int fillSize = sizeof(MachInst) * numFillInsts;
409 int spillSize = sizeof(MachInst) * numSpillInsts;
410 fillStart = stack_base;
411 spillStart = fillStart + fillSize;
412 initVirtMem->writeBlob(fillStart, (uint8_t*)fillHandler, fillSize);
413 initVirtMem->writeBlob(spillStart, (uint8_t*)spillHandler, spillSize);
414
415 //Set up the thread context to start running the process
320 threadContexts[0]->setIntReg(ArgumentReg0, argc);
321 threadContexts[0]->setIntReg(ArgumentReg1, argv_array_base);
322 threadContexts[0]->setIntReg(StackPointerReg, stack_min - StackBias);
323
324 Addr prog_entry = objFile->entryPoint();
325 threadContexts[0]->setPC(prog_entry);
326 threadContexts[0]->setNextPC(prog_entry + sizeof(MachInst));
327 threadContexts[0]->setNextNPC(prog_entry + (2 * sizeof(MachInst)));
328
329// num_processes++;
330}
416 threadContexts[0]->setIntReg(ArgumentReg0, argc);
417 threadContexts[0]->setIntReg(ArgumentReg1, argv_array_base);
418 threadContexts[0]->setIntReg(StackPointerReg, stack_min - StackBias);
419
420 Addr prog_entry = objFile->entryPoint();
421 threadContexts[0]->setPC(prog_entry);
422 threadContexts[0]->setNextPC(prog_entry + sizeof(MachInst));
423 threadContexts[0]->setNextNPC(prog_entry + (2 * sizeof(MachInst)));
424
425// num_processes++;
426}