f94ff9ace5
cpu/exec_context.hh: dev/alpha_console.cc: sim/system.cc: sim/system.hh: Convert from fixed array to a vector arch/alpha/arguments.hh: now that CopyData and CopyString are in vtophys.hh, this include is not necessary arch/alpha/vtophys.hh: Include isa_traits.hh for Addr cpu/pc_event.cc: Temporarily get this working while we're changing things --HG-- extra : convert_revision : 9a7597b7bd5d050819766f8edf7a02f28447b9ca
267 lines
7.9 KiB
C++
267 lines
7.9 KiB
C++
/*
|
|
* Copyright (c) 2003 The Regents of The University of Michigan
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met: redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer;
|
|
* redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution;
|
|
* neither the name of the copyright holders nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "cpu/exec_context.hh"
|
|
#include "base/loader/object_file.hh"
|
|
#include "mem/functional_mem/memory_control.hh"
|
|
#include "mem/functional_mem/physical_memory.hh"
|
|
#include "base/loader/symtab.hh"
|
|
#include "base/remote_gdb.hh"
|
|
#include "targetarch/vtophys.hh"
|
|
#include "sim/system.hh"
|
|
#include "base/trace.hh"
|
|
|
|
using namespace std;
|
|
|
|
vector<System *> System::systemList;
|
|
|
|
int System::numSystemsRunning = 0;
|
|
|
|
System::System(const std::string _name,
|
|
MemoryController *_memCtrl,
|
|
PhysicalMemory *_physmem,
|
|
const std::string &kernel_path,
|
|
const std::string &console_path,
|
|
const std::string &palcode,
|
|
const std::string &boot_osflags)
|
|
: SimObject(_name),
|
|
kernel_panic_event(&pcEventQueue, "kernel panic"),
|
|
console_panic_event(&pcEventQueue, "console panic"),
|
|
badaddr_event(&pcEventQueue, "badaddr"),
|
|
skip_power_state(&pcEventQueue, "tl_v48_capture_power_state"),
|
|
skip_scavenge_boot(&pcEventQueue, "pmap_scavenge_boot"),
|
|
printf_event(&pcEventQueue, "printf"),
|
|
debug_printf_event(&pcEventQueue, "debug_printf", false),
|
|
debug_printfr_event(&pcEventQueue, "debug_printfr", true),
|
|
dump_mbuf_event(&pcEventQueue, "dump_mbuf"),
|
|
memCtrl(_memCtrl),
|
|
physmem(_physmem),
|
|
remoteGDB(NULL),
|
|
gdbListen(NULL)
|
|
{
|
|
kernelSymtab = new SymbolTable;
|
|
consoleSymtab = new SymbolTable;
|
|
|
|
ObjectFile *kernel = createObjectFile(kernel_path);
|
|
if (kernel == NULL)
|
|
fatal("Could not load kernel file %s", kernel_path);
|
|
|
|
ObjectFile *console = createObjectFile(console_path);
|
|
if (console == NULL)
|
|
fatal("Could not load console file %s", console_path);
|
|
|
|
if (!kernel->loadGlobalSymbols(kernelSymtab))
|
|
panic("could not load kernel symbols\n");
|
|
|
|
if (!console->loadGlobalSymbols(consoleSymtab))
|
|
panic("could not load console symbols\n");
|
|
|
|
// Load pal file
|
|
ObjectFile *pal = createObjectFile(palcode);
|
|
if (pal == NULL)
|
|
fatal("Could not load PALcode file %s", palcode);
|
|
pal->loadSections(physmem, true);
|
|
|
|
// copy of initial reg file contents
|
|
initRegs = new RegFile;
|
|
memset(initRegs, 0, sizeof(RegFile));
|
|
|
|
// Load console file
|
|
console->loadSections(physmem, true);
|
|
|
|
// Load kernel file
|
|
kernel->loadSections(physmem, true);
|
|
kernelStart = kernel->textBase();
|
|
kernelEnd = kernel->bssBase() + kernel->bssSize();
|
|
kernelEntry = kernel->entryPoint();
|
|
|
|
DPRINTF(Loader, "Kernel start = %#x\n"
|
|
"Kernel end = %#x\n"
|
|
"Kernel entry = %#x\n",
|
|
kernelStart, kernelEnd, kernelEntry);
|
|
|
|
// Setup kernel boot parameters
|
|
initRegs->pc = 0x4001;
|
|
initRegs->npc = initRegs->pc + sizeof(MachInst);
|
|
|
|
DPRINTF(Loader, "Kernel loaded...\n");
|
|
|
|
#ifdef FULL_SYSTEM
|
|
Addr addr = 0;
|
|
|
|
if (kernelSymtab->findAddress("enable_async_printf", addr)) {
|
|
Addr paddr = vtophys(physmem, addr);
|
|
uint8_t *enable_async_printf =
|
|
physmem->dma_addr(paddr, sizeof(uint32_t));
|
|
|
|
if (enable_async_printf)
|
|
*(uint32_t *)enable_async_printf = 0;
|
|
}
|
|
|
|
if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
|
|
Addr paddr = vtophys(physmem, addr);
|
|
char *osflags = (char *)physmem->dma_addr(paddr, sizeof(uint32_t));
|
|
|
|
if (osflags)
|
|
strcpy(osflags, boot_osflags.c_str());
|
|
}
|
|
|
|
if (kernelSymtab->findAddress("panic", addr))
|
|
kernel_panic_event.schedule(addr);
|
|
else
|
|
panic("could not find kernel symbol \'panic\'");
|
|
|
|
if (consoleSymtab->findAddress("panic", addr))
|
|
console_panic_event.schedule(addr);
|
|
|
|
if (kernelSymtab->findAddress("badaddr", addr))
|
|
badaddr_event.schedule(addr);
|
|
else
|
|
panic("could not find kernel symbol \'badaddr\'");
|
|
|
|
if (kernelSymtab->findAddress("tl_v48_capture_power_state", addr))
|
|
skip_power_state.schedule(addr);
|
|
|
|
if (kernelSymtab->findAddress("pmap_scavenge_boot", addr))
|
|
skip_scavenge_boot.schedule(addr);
|
|
|
|
#if TRACING_ON
|
|
if (kernelSymtab->findAddress("printf", addr))
|
|
printf_event.schedule(addr);
|
|
|
|
if (kernelSymtab->findAddress("m5printf", addr))
|
|
debug_printf_event.schedule(addr);
|
|
|
|
if (kernelSymtab->findAddress("m5printfr", addr))
|
|
debug_printfr_event.schedule(addr);
|
|
|
|
if (kernelSymtab->findAddress("m5_dump_mbuf", addr))
|
|
dump_mbuf_event.schedule(addr);
|
|
#endif
|
|
|
|
#endif
|
|
|
|
// add self to global system list
|
|
systemList.push_back(this);
|
|
|
|
numSystemsRunning++;
|
|
}
|
|
|
|
|
|
System::~System()
|
|
{
|
|
delete kernelSymtab;
|
|
delete consoleSymtab;
|
|
delete initRegs;
|
|
}
|
|
|
|
|
|
void
|
|
System::initBootContext(ExecContext *xc)
|
|
{
|
|
xc->regs = *initRegs;
|
|
|
|
remoteGDB = new RemoteGDB(this, xc);
|
|
gdbListen = new GDBListener(remoteGDB, 7000);
|
|
gdbListen->listen();
|
|
|
|
// Reset the system
|
|
//
|
|
TheISA::init(physmem, &xc->regs);
|
|
}
|
|
|
|
|
|
void
|
|
System::registerExecContext(ExecContext *xc)
|
|
{
|
|
if (xc->cpu_id >= 12/*MAX_CPUS*/)
|
|
panic("Too many CPU's\n");
|
|
|
|
if (xc->cpu_id >= xcvec.size())
|
|
xcvec.resize(xc->cpu_id + 1);
|
|
|
|
xcvec[xc->cpu_id] = xc;
|
|
}
|
|
|
|
|
|
void
|
|
System::printSystems()
|
|
{
|
|
vector<System *>::iterator i = systemList.begin();
|
|
vector<System *>::iterator end = systemList.end();
|
|
for (; i != end; ++i) {
|
|
System *sys = *i;
|
|
cerr << "System " << sys->name() << ": " << hex << sys << endl;
|
|
}
|
|
}
|
|
|
|
|
|
extern "C"
|
|
void
|
|
printSystems()
|
|
{
|
|
System::printSystems();
|
|
}
|
|
|
|
|
|
BEGIN_DECLARE_SIM_OBJECT_PARAMS(System)
|
|
|
|
SimObjectParam<MemoryController *> mem_ctl;
|
|
SimObjectParam<PhysicalMemory *> physmem;
|
|
|
|
Param<string> kernel_code;
|
|
Param<string> console_code;
|
|
Param<string> pal_code;
|
|
Param<string> boot_osflags;
|
|
|
|
END_DECLARE_SIM_OBJECT_PARAMS(System)
|
|
|
|
BEGIN_INIT_SIM_OBJECT_PARAMS(System)
|
|
|
|
INIT_PARAM(mem_ctl, "memory controller"),
|
|
INIT_PARAM(physmem, "phsyical memory"),
|
|
INIT_PARAM(kernel_code, "file that contains the kernel code"),
|
|
INIT_PARAM(console_code, "file that contains the console code"),
|
|
INIT_PARAM(pal_code, "file that contains palcode"),
|
|
INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
|
|
"a")
|
|
|
|
END_INIT_SIM_OBJECT_PARAMS(System)
|
|
|
|
|
|
CREATE_SIM_OBJECT(System)
|
|
{
|
|
System *sys = new System(getInstanceName(), mem_ctl, physmem,
|
|
kernel_code, console_code, pal_code,
|
|
boot_osflags);
|
|
|
|
return sys;
|
|
}
|
|
|
|
REGISTER_SIM_OBJECT("System", System)
|