system.cc (8741:491297d019f3) system.cc (8775:1e3ca5d77b53)
1/*
2 * Copyright (c) 2004-2006 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;

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42#include "arch/mips/linux/system.hh"
43#include "arch/mips/linux/threadinfo.hh"
44#include "arch/mips/idle_event.hh"
45#include "arch/mips/system.hh"
46#include "arch/vtophys.hh"
47#include "base/loader/symtab.hh"
48#include "cpu/base.hh"
49#include "cpu/thread_context.hh"
1/*
2 * Copyright (c) 2004-2006 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;

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42#include "arch/mips/linux/system.hh"
43#include "arch/mips/linux/threadinfo.hh"
44#include "arch/mips/idle_event.hh"
45#include "arch/mips/system.hh"
46#include "arch/vtophys.hh"
47#include "base/loader/symtab.hh"
48#include "cpu/base.hh"
49#include "cpu/thread_context.hh"
50#include "debug/Thread.hh"
50#include "dev/platform.hh"
51#include "kern/linux/events.hh"
52#include "kern/linux/printk.hh"
53#include "mem/physical.hh"
54#include "mem/port.hh"
55#include "sim/arguments.hh"
56#include "sim/byteswap.hh"
57

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71 if (!kernelSymtab->findAddress("swapper_pg_dir", KernelStart)) {
72 panic("Could not determine start location of kernel");
73 }
74
75 /**
76 * Since we aren't using a bootloader, we have to copy the
77 * kernel arguments directly into the kernel's memory.
78 */
51#include "dev/platform.hh"
52#include "kern/linux/events.hh"
53#include "kern/linux/printk.hh"
54#include "mem/physical.hh"
55#include "mem/port.hh"
56#include "sim/arguments.hh"
57#include "sim/byteswap.hh"
58

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72 if (!kernelSymtab->findAddress("swapper_pg_dir", KernelStart)) {
73 panic("Could not determine start location of kernel");
74 }
75
76 /**
77 * Since we aren't using a bootloader, we have to copy the
78 * kernel arguments directly into the kernel's memory.
79 */
79 virtPort.writeBlob(CommandLine(), (uint8_t*)params()->boot_osflags.c_str(),
80 virtPort->writeBlob(CommandLine(), (uint8_t*)params()->boot_osflags.c_str(),
80 params()->boot_osflags.length()+1);
81
82 /**
83 * find the address of the est_cycle_freq variable and insert it
84 * so we don't through the lengthly process of trying to
85 * calculated it by using the PIT, RTC, etc.
86 */
87 if (kernelSymtab->findAddress("est_cycle_freq", addr))
81 params()->boot_osflags.length()+1);
82
83 /**
84 * find the address of the est_cycle_freq variable and insert it
85 * so we don't through the lengthly process of trying to
86 * calculated it by using the PIT, RTC, etc.
87 */
88 if (kernelSymtab->findAddress("est_cycle_freq", addr))
88 virtPort.write(addr, (uint64_t)(SimClock::Frequency /
89 virtPort->write(addr, (uint64_t)(SimClock::Frequency /
89 p->boot_cpu_frequency));
90
91 /**
92 * EV5 only supports 127 ASNs so we are going to tell the kernel that the
93 * paritiuclar EV6 we have only supports 127 asns.
94 * @todo At some point we should change ev5.hh and the palcode to support
95 * 255 ASNs.
96 */
97 if (kernelSymtab->findAddress("dp264_mv", addr))
90 p->boot_cpu_frequency));
91
92 /**
93 * EV5 only supports 127 ASNs so we are going to tell the kernel that the
94 * paritiuclar EV6 we have only supports 127 asns.
95 * @todo At some point we should change ev5.hh and the palcode to support
96 * 255 ASNs.
97 */
98 if (kernelSymtab->findAddress("dp264_mv", addr))
98 virtPort.write(addr + 0x18, LittleEndianGuest::htog((uint32_t)127));
99 virtPort->write(addr + 0x18, LittleEndianGuest::htog((uint32_t)127));
99 else
100 panic("could not find dp264_mv\n");
101
102#ifndef NDEBUG
103 kernelPanicEvent = addKernelFuncEvent<BreakPCEvent>("panic");
104 if (!kernelPanicEvent)
105 panic("could not find kernel symbol \'panic\'");
106

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101 panic("could not find dp264_mv\n");
102
103#ifndef NDEBUG
104 kernelPanicEvent = addKernelFuncEvent<BreakPCEvent>("panic");
105 if (!kernelPanicEvent)
106 panic("could not find kernel symbol \'panic\'");
107

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