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Load the hypervisor symbols twice, once with an address mask so that we can get symbols for where it's copied to in memory

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Add the ability to use an address mask for symbol loading
Rather then silently failing on platform accesses panic
Move BadAddr/IsaFake no Device from Tsunami
Let the system kernel be none, but warn about it

configs/common/FSConfig.py:
    We don't have a kernel for sparc yet
src/arch/sparc/system.cc:
    Load the hypervisor symbols twice, once with an address mask so that we can get symbols for where it's copied to in memory
src/base/loader/aout_object.cc:
src/base/loader/aout_object.hh:
src/base/loader/ecoff_object.cc:
src/base/loader/ecoff_object.hh:
src/base/loader/elf_object.cc:
src/base/loader/elf_object.hh:
src/base/loader/object_file.hh:
src/base/loader/raw_object.cc:
src/base/loader/raw_object.hh:
    Add the ability to use an address mask for symbol loading
src/dev/sparc/t1000.cc:
    Rather then silently failing on platform accesses panic
src/dev/sparc/t1000.hh:
    fix up a couple of platform comments
src/python/m5/objects/Bus.py:
src/python/m5/objects/Device.py:
src/python/m5/objects/T1000.py:
src/python/m5/objects/Tsunami.py:
    Move BadAddr/IsaFake no Device from Tsunami
src/python/m5/objects/System.py:
    Let kernel be none
src/sim/system.cc:
    Let the system kernel be none, but warn about it

--HG--
extra : convert_revision : 92f6afef599a3d3c7c5026d03434102c41c7b5f4
This commit is contained in:
Ali Saidi 2006-11-30 15:51:54 -05:00
parent 7b9ef9716b
commit 8c4f7a0404
19 changed files with 90 additions and 72 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
configs/common/FSConfig.py
View file

@ -99,7 +99,6 @@ def makeSparcSystem(mem_mode, mdesc = None):
self.partition_desc.port = self.membus.port
self.intrctrl = IntrControl()
self.mem_mode = mem_mode
self.kernel = binary('vmlinux')
self.reset_bin = binary('reset.bin')
self.hypervisor_bin = binary('q.bin')

5
src/arch/sparc/system.cc
View file

@ -155,6 +155,11 @@ SparcSystem::SparcSystem(Params *p)
if (!hypervisor->loadLocalSymbols(debugSymbolTable))
panic("could not load hypervisor symbols\n");
// Strip off the rom address so when the hypervisor is copied into memory we
// have symbols still
if (!hypervisor->loadLocalSymbols(debugSymbolTable, 0xFFFFFF))
panic("could not load hypervisor symbols\n");
if (!nvram->loadGlobalSymbols(debugSymbolTable))
panic("could not load reset symbols\n");

4
src/base/loader/aout_object.cc
View file

@ -82,14 +82,14 @@ AoutObject::AoutObject(const string &_filename, int _fd,
bool
AoutObject::loadGlobalSymbols(SymbolTable *symtab)
AoutObject::loadGlobalSymbols(SymbolTable *symtab, Addr addrMask)
{
// a.out symbols not supported yet
return false;
}
bool
AoutObject::loadLocalSymbols(SymbolTable *symtab)
AoutObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask)
{
// a.out symbols not supported yet
return false;

6
src/base/loader/aout_object.hh
View file

@ -48,8 +48,10 @@ class AoutObject : public ObjectFile
public:
virtual ~AoutObject() {}
virtual bool loadGlobalSymbols(SymbolTable *symtab);
virtual bool loadLocalSymbols(SymbolTable *symtab);
virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
std::numeric_limits<Addr>::max());
virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
std::numeric_limits<Addr>::max());
static ObjectFile *tryFile(const std::string &fname, int fd,
size_t len, uint8_t *data);

4
src/base/loader/ecoff_object.cc
View file

@ -86,7 +86,7 @@ EcoffObject::EcoffObject(const string &_filename, int _fd,
bool
EcoffObject::loadGlobalSymbols(SymbolTable *symtab)
EcoffObject::loadGlobalSymbols(SymbolTable *symtab, Addr addrMask)
{
if (!symtab)
return false;
@ -115,7 +115,7 @@ EcoffObject::loadGlobalSymbols(SymbolTable *symtab)
}
bool
EcoffObject::loadLocalSymbols(SymbolTable *symtab)
EcoffObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask)
{
if (!symtab)
return false;

6
src/base/loader/ecoff_object.hh
View file

@ -52,8 +52,10 @@ class EcoffObject : public ObjectFile
public:
virtual ~EcoffObject() {}
virtual bool loadGlobalSymbols(SymbolTable *symtab);
virtual bool loadLocalSymbols(SymbolTable *symtab);
virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
std::numeric_limits<Addr>::max());
virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
std::numeric_limits<Addr>::max());
static ObjectFile *tryFile(const std::string &fname, int fd,
size_t len, uint8_t *data);

4
src/base/loader/elf_object.cc
View file

@ -330,13 +330,13 @@ ElfObject::loadSomeSymbols(SymbolTable *symtab, int binding)
}
bool
ElfObject::loadGlobalSymbols(SymbolTable *symtab)
ElfObject::loadGlobalSymbols(SymbolTable *symtab, Addr addrMask)
{
return loadSomeSymbols(symtab, STB_GLOBAL);
}
bool
ElfObject::loadLocalSymbols(SymbolTable *symtab)
ElfObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask)
{
return loadSomeSymbols(symtab, STB_LOCAL);
}

6
src/base/loader/elf_object.hh
View file

@ -53,8 +53,10 @@ class ElfObject : public ObjectFile
public:
virtual ~ElfObject() {}
virtual bool loadGlobalSymbols(SymbolTable *symtab);
virtual bool loadLocalSymbols(SymbolTable *symtab);
virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
std::numeric_limits<Addr>::max());
virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
std::numeric_limits<Addr>::max());
static ObjectFile *tryFile(const std::string &fname, int fd,
size_t len, uint8_t *data);

6
src/base/loader/object_file.hh
View file

@ -78,8 +78,10 @@ class ObjectFile
virtual bool loadSections(Port *memPort, Addr addrMask =
std::numeric_limits<Addr>::max());
virtual bool loadGlobalSymbols(SymbolTable *symtab) = 0;
virtual bool loadLocalSymbols(SymbolTable *symtab) = 0;
virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
std::numeric_limits<Addr>::max()) = 0;
virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
std::numeric_limits<Addr>::max()) = 0;
Arch getArch() const { return arch; }
OpSys getOpSys() const { return opSys; }

8
src/base/loader/raw_object.cc
View file

@ -61,21 +61,21 @@ RawObject::RawObject(const std::string &_filename, int _fd, size_t _len,
}
bool
RawObject::loadGlobalSymbols(SymbolTable *symtab)
RawObject::loadGlobalSymbols(SymbolTable *symtab, Addr addrMask)
{
int fnameStart = filename.rfind('/',filename.size()) + 1;
int extStart = filename.rfind('.',filename.size());
symtab->insert(text.baseAddr, filename.substr(fnameStart,
symtab->insert(text.baseAddr & addrMask, filename.substr(fnameStart,
extStart-fnameStart) + "_start");
return true;
}
bool
RawObject::loadLocalSymbols(SymbolTable *symtab)
RawObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask)
{
int fnameStart = filename.rfind('/',filename.size()) + 1;
int extStart = filename.rfind('.',filename.size());
symtab->insert(text.baseAddr, filename.substr(fnameStart,
symtab->insert(text.baseAddr & addrMask, filename.substr(fnameStart,
extStart-fnameStart) + "_start");
return true;
}

6
src/base/loader/raw_object.hh
View file

@ -41,8 +41,10 @@ class RawObject: public ObjectFile
public:
virtual ~RawObject() {}
virtual bool loadGlobalSymbols(SymbolTable *symtab);
virtual bool loadLocalSymbols(SymbolTable *symtab);
virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
std::numeric_limits<Addr>::max());
virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
std::numeric_limits<Addr>::max());
static ObjectFile *tryFile(const std::string &fname, int fd, size_t len,
uint8_t *data);

12
src/dev/sparc/t1000.cc
View file

@ -56,50 +56,56 @@ T1000::T1000(const string &name, System *s, IntrControl *ic)
Tick
T1000::intrFrequency()
{
return (Tick)0;
panic("Need implementation\n");
}
void
T1000::postConsoleInt()
{
panic("Need implementation\n");
}
void
T1000::clearConsoleInt()
{
panic("Need implementation\n");
}
void
T1000::postPciInt(int line)
{
panic("Need implementation\n");
}
void
T1000::clearPciInt(int line)
{
panic("Need implementation\n");
}
Addr
T1000::pciToDma(Addr pciAddr) const
{
return (Addr)0;
panic("Need implementation\n");
}
Addr
T1000::calcConfigAddr(int bus, int dev, int func)
{
return (Addr)0;
panic("Need implementation\n");
}
void
T1000::serialize(std::ostream &os)
{
panic("Need implementation\n");
}
void
T1000::unserialize(Checkpoint *cp, const std::string &section)
{
panic("Need implementation\n");
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(T1000)

4
src/dev/sparc/t1000.hh
View file

@ -30,7 +30,7 @@
/**
* @file
* Declaration of top level class for the Tsunami chipset. This class just
* Declaration of top level class for the T1000 platform chips. This class just
* retains pointers to all its children so the children can communicate.
*/
@ -69,7 +69,7 @@ class T1000 : public Platform
virtual void postConsoleInt();
/**
* Clear a posted CPU interrupt (id=55)
* Clear a posted CPU interrupt
*/
virtual void clearConsoleInt();

4
src/python/m5/objects/Bus.py
View file

@ -2,7 +2,7 @@ from m5 import build_env
from m5.params import *
from m5.proxy import *
from MemObject import MemObject
from Tsunami import BadAddr
from Device import BadAddr
class Bus(MemObject):
type = 'Bus'
@ -12,7 +12,7 @@ class Bus(MemObject):
width = Param.Int(64, "bus width (bytes)")
responder_set = Param.Bool(False, "Did the user specify a default responder.")
if build_env['FULL_SYSTEM']:
default = Port(Self.responder.pio, "Default port for requests that aren't handled by a device.")
responder = BadAddr(pio_addr=0x0, pio_latency="1ps")
default = Port(Self.responder.pio, "Default port for requests that aren't handled by a device.")
else:
default = Port("Default port for requests that aren't handled by a device.")

11
src/python/m5/objects/Device.py
View file

@ -19,3 +19,14 @@ class DmaDevice(PioDevice):
type = 'DmaDevice'
abstract = True
dma = Port(Self.pio.peerObj.port, "DMA port")
class IsaFake(BasicPioDevice):
type = 'IsaFake'
pio_size = Param.Addr(0x8, "Size of address range")
ret_data = Param.UInt8(0xFF, "Default data to return")
ret_bad_addr = Param.Bool(False, "Return pkt status bad address on access")
class BadAddr(IsaFake):
ret_bad_addr = Param.Bool(True, "Return pkt status bad address on access")

2
src/python/m5/objects/System.py
View file

@ -15,7 +15,7 @@ class System(SimObject):
"boot processor frequency")
init_param = Param.UInt64(0, "numerical value to pass into simulator")
boot_osflags = Param.String("a", "boot flags to pass to the kernel")
kernel = Param.String("file that contains the kernel code")
kernel = Param.String("", "file that contains the kernel code")
readfile = Param.String("", "file to read startup script from")
symbolfile = Param.String("", "file to get the symbols from")

11
src/python/m5/objects/T1000.py
View file

@ -1,19 +1,10 @@
from m5.params import *
from m5.proxy import *
from Device import BasicPioDevice
from Device import BasicPioDevice, IsaFake, BadAddr
from Uart import Uart8250
from Platform import Platform
from SimConsole import SimConsole, ConsoleListener
class IsaFake(BasicPioDevice):
type = 'IsaFake'
pio_size = Param.Addr(0x8, "Size of address range")
ret_data = Param.UInt8(0xFF, "Default data to return")
ret_bad_addr = Param.Bool(False, "Return pkt status bad address on access")
class BadAddr(IsaFake):
ret_bad_addr = Param.Bool(True, "Return pkt status bad address on access")
class T1000(Platform):
type = 'T1000'
system = Param.System(Parent.any, "system")

11
src/python/m5/objects/Tsunami.py
View file

@ -1,6 +1,6 @@
from m5.params import *
from m5.proxy import *
from Device import BasicPioDevice
from Device import BasicPioDevice, IsaFake, BadAddr
from Platform import Platform
from AlphaConsole import AlphaConsole
from Uart import Uart8250
@ -11,15 +11,6 @@ class TsunamiCChip(BasicPioDevice):
type = 'TsunamiCChip'
tsunami = Param.Tsunami(Parent.any, "Tsunami")
class IsaFake(BasicPioDevice):
type = 'IsaFake'
pio_size = Param.Addr(0x8, "Size of address range")
ret_data = Param.UInt8(0xFF, "Default data to return")
ret_bad_addr = Param.Bool(False, "Return pkt status bad address on access")
class BadAddr(IsaFake):
ret_bad_addr = Param.Bool(True, "Return pkt status bad address on access")
class TsunamiIO(BasicPioDevice):
type = 'TsunamiIO'
time = Param.UInt64(1136073600,

51
src/sim/system.cc
View file

@ -89,36 +89,41 @@ System::System(Params *p)
/**
* Load the kernel code into memory
*/
// Load kernel code
kernel = createObjectFile(params()->kernel_path);
if (kernel == NULL)
fatal("Could not load kernel file %s", params()->kernel_path);
if (params()->kernel_path == "") {
warn("No kernel set for full system simulation. Assuming you know what"
" you're doing...\n");
} else {
// Load kernel code
kernel = createObjectFile(params()->kernel_path);
if (kernel == NULL)
fatal("Could not load kernel file %s", params()->kernel_path);
// Load program sections into memory
kernel->loadSections(&functionalPort, LoadAddrMask);
// Load program sections into memory
kernel->loadSections(&functionalPort, LoadAddrMask);
// setup entry points
kernelStart = kernel->textBase();
kernelEnd = kernel->bssBase() + kernel->bssSize();
kernelEntry = kernel->entryPoint();
// setup entry points
kernelStart = kernel->textBase();
kernelEnd = kernel->bssBase() + kernel->bssSize();
kernelEntry = kernel->entryPoint();
// load symbols
if (!kernel->loadGlobalSymbols(kernelSymtab))
panic("could not load kernel symbols\n");
// load symbols
if (!kernel->loadGlobalSymbols(kernelSymtab))
panic("could not load kernel symbols\n");
if (!kernel->loadLocalSymbols(kernelSymtab))
panic("could not load kernel local symbols\n");
if (!kernel->loadLocalSymbols(kernelSymtab))
panic("could not load kernel local symbols\n");
if (!kernel->loadGlobalSymbols(debugSymbolTable))
panic("could not load kernel symbols\n");
if (!kernel->loadGlobalSymbols(debugSymbolTable))
panic("could not load kernel symbols\n");
if (!kernel->loadLocalSymbols(debugSymbolTable))
panic("could not load kernel local symbols\n");
if (!kernel->loadLocalSymbols(debugSymbolTable))
panic("could not load kernel local symbols\n");
DPRINTF(Loader, "Kernel start = %#x\n", kernelStart);
DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd);
DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry);
DPRINTF(Loader, "Kernel loaded...\n");
DPRINTF(Loader, "Kernel start = %#x\n", kernelStart);
DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd);
DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry);
DPRINTF(Loader, "Kernel loaded...\n");
}
#endif // FULL_SYSTEM
// increment the number of running systms