system.cc (2665:a124942bacb8) system.cc (2680:246e7104f744)
1/*
2 * Copyright (c) 2004-2005 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;

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33 * Modifications for the FreeBSD kernel.
34 * Based on kern/linux/linux_system.cc.
35 *
36 */
37
38#include "arch/alpha/system.hh"
39#include "arch/alpha/freebsd/system.hh"
40#include "base/loader/symtab.hh"
1/*
2 * Copyright (c) 2004-2005 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;

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33 * Modifications for the FreeBSD kernel.
34 * Based on kern/linux/linux_system.cc.
35 *
36 */
37
38#include "arch/alpha/system.hh"
39#include "arch/alpha/freebsd/system.hh"
40#include "base/loader/symtab.hh"
41#include "cpu/exec_context.hh"
41#include "cpu/thread_context.hh"
42#include "mem/physical.hh"
43#include "mem/port.hh"
44#include "arch/isa_traits.hh"
45#include "sim/builder.hh"
46#include "sim/byteswap.hh"
47#include "arch/vtophys.hh"
48
49#define TIMER_FREQUENCY 1193180

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67FreebsdAlphaSystem::~FreebsdAlphaSystem()
68{
69 delete skipDelayEvent;
70 delete skipCalibrateClocks;
71}
72
73
74void
42#include "mem/physical.hh"
43#include "mem/port.hh"
44#include "arch/isa_traits.hh"
45#include "sim/builder.hh"
46#include "sim/byteswap.hh"
47#include "arch/vtophys.hh"
48
49#define TIMER_FREQUENCY 1193180

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67FreebsdAlphaSystem::~FreebsdAlphaSystem()
68{
69 delete skipDelayEvent;
70 delete skipCalibrateClocks;
71}
72
73
74void
75FreebsdAlphaSystem::doCalibrateClocks(ExecContext *xc)
75FreebsdAlphaSystem::doCalibrateClocks(ThreadContext *tc)
76{
77 Addr ppc_vaddr = 0;
78 Addr timer_vaddr = 0;
79
76{
77 Addr ppc_vaddr = 0;
78 Addr timer_vaddr = 0;
79
80 ppc_vaddr = (Addr)xc->readIntReg(ArgumentReg1);
81 timer_vaddr = (Addr)xc->readIntReg(ArgumentReg2);
80 ppc_vaddr = (Addr)tc->readIntReg(ArgumentReg1);
81 timer_vaddr = (Addr)tc->readIntReg(ArgumentReg2);
82
83 virtPort.write(ppc_vaddr, (uint32_t)Clock::Frequency);
84 virtPort.write(timer_vaddr, (uint32_t)TIMER_FREQUENCY);
85}
86
87
88void
82
83 virtPort.write(ppc_vaddr, (uint32_t)Clock::Frequency);
84 virtPort.write(timer_vaddr, (uint32_t)TIMER_FREQUENCY);
85}
86
87
88void
89FreebsdAlphaSystem::SkipCalibrateClocksEvent::process(ExecContext *xc)
89FreebsdAlphaSystem::SkipCalibrateClocksEvent::process(ThreadContext *tc)
90{
90{
91 SkipFuncEvent::process(xc);
92 ((FreebsdAlphaSystem *)xc->getSystemPtr())->doCalibrateClocks(xc);
91 SkipFuncEvent::process(tc);
92 ((FreebsdAlphaSystem *)tc->getSystemPtr())->doCalibrateClocks(tc);
93}
94
95
96BEGIN_DECLARE_SIM_OBJECT_PARAMS(FreebsdAlphaSystem)
97
98 Param<Tick> boot_cpu_frequency;
99 SimObjectParam<PhysicalMemory *> physmem;
100

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94
95
96BEGIN_DECLARE_SIM_OBJECT_PARAMS(FreebsdAlphaSystem)
97
98 Param<Tick> boot_cpu_frequency;
99 SimObjectParam<PhysicalMemory *> physmem;
100

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