system.cc (8741:491297d019f3) system.cc (8799:dac1e33e07b0)
1/*
2 * Copyright (c) 2002-2005 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;

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

33
34#include "arch/alpha/ev5.hh"
35#include "arch/alpha/system.hh"
36#include "arch/vtophys.hh"
37#include "base/loader/object_file.hh"
38#include "base/loader/symtab.hh"
39#include "base/trace.hh"
40#include "debug/Loader.hh"
1/*
2 * Copyright (c) 2002-2005 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;

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

33
34#include "arch/alpha/ev5.hh"
35#include "arch/alpha/system.hh"
36#include "arch/vtophys.hh"
37#include "base/loader/object_file.hh"
38#include "base/loader/symtab.hh"
39#include "base/trace.hh"
40#include "debug/Loader.hh"
41#include "mem/physical.hh"
42#include "mem/vport.hh"
41#include "mem/fs_translating_port_proxy.hh"
43#include "params/AlphaSystem.hh"
44#include "sim/byteswap.hh"
45
46using namespace AlphaISA;
47
48AlphaSystem::AlphaSystem(Params *p)
49 : System(p), intrFreq(0)
50{

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

59 console = createObjectFile(params()->console);
60 if (console == NULL)
61 fatal("Could not load console file %s", params()->console);
62
63 // Load pal file
64 pal = createObjectFile(params()->pal);
65 if (pal == NULL)
66 fatal("Could not load PALcode file %s", params()->pal);
42#include "params/AlphaSystem.hh"
43#include "sim/byteswap.hh"
44
45using namespace AlphaISA;
46
47AlphaSystem::AlphaSystem(Params *p)
48 : System(p), intrFreq(0)
49{

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

58 console = createObjectFile(params()->console);
59 if (console == NULL)
60 fatal("Could not load console file %s", params()->console);
61
62 // Load pal file
63 pal = createObjectFile(params()->pal);
64 if (pal == NULL)
65 fatal("Could not load PALcode file %s", params()->pal);
66}
67
67
68AlphaSystem::~AlphaSystem()
69{
70 delete consoleSymtab;
71 delete console;
72 delete pal;
73#ifdef DEBUG
74 delete consolePanicEvent;
75#endif
76}
68
77
78void
79AlphaSystem::initState()
80{
81 // Moved from the constructor to here since it relies on the
82 // address map being resolved in the interconnect
83
84 // Call the initialisation of the super class
85 System::initState();
86
69 // Load program sections into memory
87 // Load program sections into memory
70 pal->loadSections(functionalPort, loadAddrMask);
71 console->loadSections(functionalPort, loadAddrMask);
88 pal->loadSections(physProxy, loadAddrMask);
89 console->loadSections(physProxy, loadAddrMask);
72
73 // load symbols
74 if (!console->loadGlobalSymbols(consoleSymtab))
75 panic("could not load console symbols\n");
76
77 if (!pal->loadGlobalSymbols(palSymtab))
78 panic("could not load pal symbols\n");
79

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

96
97 /**
98 * Copy the osflags (kernel arguments) into the consoles
99 * memory. (Presently Linux does not use the console service
100 * routine to get these command line arguments, but Tru64 and
101 * others do.)
102 */
103 if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
90
91 // load symbols
92 if (!console->loadGlobalSymbols(consoleSymtab))
93 panic("could not load console symbols\n");
94
95 if (!pal->loadGlobalSymbols(palSymtab))
96 panic("could not load pal symbols\n");
97

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

114
115 /**
116 * Copy the osflags (kernel arguments) into the consoles
117 * memory. (Presently Linux does not use the console service
118 * routine to get these command line arguments, but Tru64 and
119 * others do.)
120 */
121 if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
104 virtPort->writeBlob(addr, (uint8_t*)params()->boot_osflags.c_str(),
105 strlen(params()->boot_osflags.c_str()));
122 virtProxy->writeBlob(addr, (uint8_t*)params()->boot_osflags.c_str(),
123 strlen(params()->boot_osflags.c_str()));
106 }
107
108 /**
109 * Set the hardware reset parameter block system type and revision
110 * information to Tsunami.
111 */
112 if (consoleSymtab->findAddress("m5_rpb", addr)) {
113 uint64_t data;
114 data = htog(params()->system_type);
124 }
125
126 /**
127 * Set the hardware reset parameter block system type and revision
128 * information to Tsunami.
129 */
130 if (consoleSymtab->findAddress("m5_rpb", addr)) {
131 uint64_t data;
132 data = htog(params()->system_type);
115 virtPort->write(addr+0x50, data);
133 virtProxy->write(addr+0x50, data);
116 data = htog(params()->system_rev);
134 data = htog(params()->system_rev);
117 virtPort->write(addr+0x58, data);
135 virtProxy->write(addr+0x58, data);
118 } else
119 panic("could not find hwrpb\n");
120}
121
136 } else
137 panic("could not find hwrpb\n");
138}
139
122AlphaSystem::~AlphaSystem()
123{
124 delete consoleSymtab;
125 delete console;
126 delete pal;
127#ifdef DEBUG
128 delete consolePanicEvent;
129#endif
130}
131
132/**
133 * This function fixes up addresses that are used to match PCs for
134 * hooking simulator events on to target function executions.
135 *
136 * Alpha binaries may have multiple global offset table (GOT)
137 * sections. A function that uses the GOT starts with a
138 * two-instruction prolog which sets the global pointer (gp == r29) to
139 * the appropriate GOT section. The proper gp value is calculated

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

165{
166 // mask for just the opcode, Ra, and Rb fields (not the offset)
167 const uint32_t inst_mask = 0xffff0000;
168 // ldah gp,X(pv): opcode 9, Ra = 29, Rb = 27
169 const uint32_t gp_ldah_pattern = (9 << 26) | (29 << 21) | (27 << 16);
170 // lda gp,Y(gp): opcode 8, Ra = 29, rb = 29
171 const uint32_t gp_lda_pattern = (8 << 26) | (29 << 21) | (29 << 16);
172
140/**
141 * This function fixes up addresses that are used to match PCs for
142 * hooking simulator events on to target function executions.
143 *
144 * Alpha binaries may have multiple global offset table (GOT)
145 * sections. A function that uses the GOT starts with a
146 * two-instruction prolog which sets the global pointer (gp == r29) to
147 * the appropriate GOT section. The proper gp value is calculated

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

173{
174 // mask for just the opcode, Ra, and Rb fields (not the offset)
175 const uint32_t inst_mask = 0xffff0000;
176 // ldah gp,X(pv): opcode 9, Ra = 29, Rb = 27
177 const uint32_t gp_ldah_pattern = (9 << 26) | (29 << 21) | (27 << 16);
178 // lda gp,Y(gp): opcode 8, Ra = 29, rb = 29
179 const uint32_t gp_lda_pattern = (8 << 26) | (29 << 21) | (29 << 16);
180
173 uint32_t i1 = virtPort->read<uint32_t>(addr);
174 uint32_t i2 = virtPort->read<uint32_t>(addr + sizeof(MachInst));
181 uint32_t i1 = virtProxy->read<uint32_t>(addr);
182 uint32_t i2 = virtProxy->read<uint32_t>(addr + sizeof(MachInst));
175
176 if ((i1 & inst_mask) == gp_ldah_pattern &&
177 (i2 & inst_mask) == gp_lda_pattern) {
178 Addr new_addr = addr + 2 * sizeof(MachInst);
179 DPRINTF(Loader, "fixFuncEventAddr: %p -> %p", addr, new_addr);
180 return new_addr;
181 } else {
182 return addr;
183 }
184}
185
186void
187AlphaSystem::setAlphaAccess(Addr access)
188{
189 Addr addr = 0;
190 if (consoleSymtab->findAddress("m5AlphaAccess", addr)) {
183
184 if ((i1 & inst_mask) == gp_ldah_pattern &&
185 (i2 & inst_mask) == gp_lda_pattern) {
186 Addr new_addr = addr + 2 * sizeof(MachInst);
187 DPRINTF(Loader, "fixFuncEventAddr: %p -> %p", addr, new_addr);
188 return new_addr;
189 } else {
190 return addr;
191 }
192}
193
194void
195AlphaSystem::setAlphaAccess(Addr access)
196{
197 Addr addr = 0;
198 if (consoleSymtab->findAddress("m5AlphaAccess", addr)) {
191 virtPort->write(addr, htog(Phys2K0Seg(access)));
199 virtProxy->write(addr, htog(Phys2K0Seg(access)));
192 } else {
193 panic("could not find m5AlphaAccess\n");
194 }
195}
196
197void
198AlphaSystem::serialize(std::ostream &os)
199{

--- 18 unchanged lines hidden --- 		200 } else {
201 panic("could not find m5AlphaAccess\n");
202 }
203}
204
205void
206AlphaSystem::serialize(std::ostream &os)
207{

--- 18 unchanged lines hidden ---