system.cc (8706:b1838faf3bcc) | system.cc (8741:491297d019f3) |
---|---|
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; --- 35 unchanged lines hidden (view full) --- 44#include "arch/alpha/linux/threadinfo.hh" 45#include "arch/alpha/idle_event.hh" 46#include "arch/alpha/system.hh" 47#include "arch/vtophys.hh" 48#include "base/loader/symtab.hh" 49#include "cpu/base.hh" 50#include "cpu/thread_context.hh" 51#include "debug/Thread.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; --- 35 unchanged lines hidden (view full) --- 44#include "arch/alpha/linux/threadinfo.hh" 45#include "arch/alpha/idle_event.hh" 46#include "arch/alpha/system.hh" 47#include "arch/vtophys.hh" 48#include "base/loader/symtab.hh" 49#include "cpu/base.hh" 50#include "cpu/thread_context.hh" 51#include "debug/Thread.hh" |
52#include "dev/platform.hh" | |
53#include "kern/linux/events.hh" 54#include "kern/linux/printk.hh" 55#include "mem/physical.hh" 56#include "mem/port.hh" 57#include "sim/arguments.hh" 58#include "sim/byteswap.hh" 59 60using namespace std; 61using namespace AlphaISA; 62using namespace Linux; 63 64LinuxAlphaSystem::LinuxAlphaSystem(Params *p) 65 : AlphaSystem(p) 66{ | 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 59using namespace std; 60using namespace AlphaISA; 61using namespace Linux; 62 63LinuxAlphaSystem::LinuxAlphaSystem(Params *p) 64 : AlphaSystem(p) 65{ |
67} 68 69void 70LinuxAlphaSystem::initState() 71{ 72 // Moved from the constructor to here since it relies on the 73 // address map being resolved in the interconnect 74 75 // Call the initialisation of the super class 76 AlphaSystem::initState(); 77 | |
78 Addr addr = 0; 79 80 /** 81 * The symbol swapper_pg_dir marks the beginning of the kernel and 82 * the location of bootloader passed arguments 83 */ 84 if (!kernelSymtab->findAddress("swapper_pg_dir", KernelStart)) { 85 panic("Could not determine start location of kernel"); 86 } 87 88 /** 89 * Since we aren't using a bootloader, we have to copy the 90 * kernel arguments directly into the kernel's memory. 91 */ | 66 Addr addr = 0; 67 68 /** 69 * The symbol swapper_pg_dir marks the beginning of the kernel and 70 * the location of bootloader passed arguments 71 */ 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 */ |
92 virtProxy->writeBlob(CommandLine(), 93 (uint8_t*)params()->boot_osflags.c_str(), 94 params()->boot_osflags.length()+1); | 80 virtPort->writeBlob(CommandLine(), (uint8_t*)params()->boot_osflags.c_str(), 81 params()->boot_osflags.length()+1); |
95 96 /** 97 * find the address of the est_cycle_freq variable and insert it 98 * so we don't through the lengthly process of trying to 99 * calculated it by using the PIT, RTC, etc. 100 */ 101 if (kernelSymtab->findAddress("est_cycle_freq", addr)) | 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)) |
102 virtProxy->write(addr, (uint64_t)(SimClock::Frequency / 103 params()->boot_cpu_frequency)); | 89 virtPort->write(addr, (uint64_t)(SimClock::Frequency / 90 p->boot_cpu_frequency)); |
104 105 106 /** 107 * EV5 only supports 127 ASNs so we are going to tell the kernel that the 108 * paritiuclar EV6 we have only supports 127 asns. 109 * @todo At some point we should change ev5.hh and the palcode to support 110 * 255 ASNs. 111 */ 112 if (kernelSymtab->findAddress("dp264_mv", addr)) | 91 92 93 /** 94 * EV5 only supports 127 ASNs so we are going to tell the kernel that the 95 * paritiuclar EV6 we have only supports 127 asns. 96 * @todo At some point we should change ev5.hh and the palcode to support 97 * 255 ASNs. 98 */ 99 if (kernelSymtab->findAddress("dp264_mv", addr)) |
113 virtProxy->write(addr + 0x18, LittleEndianGuest::htog((uint32_t)127)); | 100 virtPort->write(addr + 0x18, LittleEndianGuest::htog((uint32_t)127)); |
114 else 115 panic("could not find dp264_mv\n"); 116 117#ifndef NDEBUG 118 kernelPanicEvent = addKernelFuncEvent<BreakPCEvent>("panic"); 119 if (!kernelPanicEvent) 120 panic("could not find kernel symbol \'panic\'"); 121 --- 49 unchanged lines hidden (view full) --- 171} 172 173void 174LinuxAlphaSystem::setDelayLoop(ThreadContext *tc) 175{ 176 Addr addr = 0; 177 if (kernelSymtab->findAddress("loops_per_jiffy", addr)) { 178 Tick cpuFreq = tc->getCpuPtr()->frequency(); | 101 else 102 panic("could not find dp264_mv\n"); 103 104#ifndef NDEBUG 105 kernelPanicEvent = addKernelFuncEvent<BreakPCEvent>("panic"); 106 if (!kernelPanicEvent) 107 panic("could not find kernel symbol \'panic\'"); 108 --- 49 unchanged lines hidden (view full) --- 158} 159 160void 161LinuxAlphaSystem::setDelayLoop(ThreadContext *tc) 162{ 163 Addr addr = 0; 164 if (kernelSymtab->findAddress("loops_per_jiffy", addr)) { 165 Tick cpuFreq = tc->getCpuPtr()->frequency(); |
179 Tick intrFreq = platform->intrFrequency(); 180 FSTranslatingPortProxy* vp; | 166 assert(intrFreq); 167 VirtualPort *vp; |
181 | 168 |
182 vp = tc->getVirtProxy(); | 169 vp = tc->getVirtPort(); |
183 vp->writeHtoG(addr, (uint32_t)((cpuFreq / intrFreq) * 0.9988)); 184 } 185} 186 187void 188LinuxAlphaSystem::SkipDelayLoopEvent::process(ThreadContext *tc) 189{ 190 SkipFuncEvent::process(tc); --- 18 unchanged lines hidden --- | 170 vp->writeHtoG(addr, (uint32_t)((cpuFreq / intrFreq) * 0.9988)); 171 } 172} 173 174void 175LinuxAlphaSystem::SkipDelayLoopEvent::process(ThreadContext *tc) 176{ 177 SkipFuncEvent::process(tc); --- 18 unchanged lines hidden --- |