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fix endian issues with condition codes

Browse source 
use memcpy instead of bcopy
s/u_int32_t/uint32_t/g
fixup endian code to work with solaris
hack to make sure htole() works... Nate, have a good idea to fix this?

src/arch/sparc/faults.cc:
    set the reset address to be 40 bits. Makes PC printing easier at least for now.
src/arch/sparc/isa/base.isa:
    fix endian issues with condition codes
src/arch/sparc/tlb.hh:
    add implemented physical addres constants
src/arch/sparc/utility.hh:
    add tlb.hh to utilities
src/base/loader/raw_object.cc:
    add a symbol <filename>_start to the symbol table for binaries files
src/base/remote_gdb.cc:
    use memcpy instead of bcopy
src/cpu/exetrace.cc:
    clean up printing a bit more
src/cpu/m5legion_interface.h:
    add tons to the shared interface
src/dev/ethertap.cc:
    s/u_int32_t/uint32_t/g
src/dev/ide_atareg.h:
    fixup endian code to work with solaris
src/dev/pcidev.cc:
src/sim/param.hh:
    hack to make sure htole() works...

--HG--
extra : convert_revision : 4579392184b40bcc1062671a953c6595c685e9b2
This commit is contained in:
Ali Saidi 2006-11-10 20:17:42 -05:00
parent 6d54a77518
commit aa19b2e7bc
12 changed files with 116 additions and 48 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/arch/sparc/faults.cc
View file

@ -494,7 +494,7 @@ void doNormalFault(ThreadContext *tc, TrapType tt, bool gotoHpriv)
void getREDVector(MiscReg TT, Addr & PC, Addr & NPC)
{
//XXX The following constant might belong in a header file.
const Addr RSTVAddr = 0xFFFFFFFFF0000000ULL;
const Addr RSTVAddr = 0xFFF0000000ULL;
PC = RSTVAddr | ((TT << 5) & 0xFF);
NPC = PC + sizeof(MachInst);
}

7
src/arch/sparc/isa/base.isa
View file

@ -244,7 +244,12 @@ output decoder {{
bool passesCondition(uint32_t codes, uint32_t condition)
{
CondCodes condCodes;
condCodes.bits = codes;
condCodes.bits = 0;
condCodes.c = codes & 0x1 ? 1 : 0;
condCodes.v = codes & 0x2 ? 1 : 0;
condCodes.z = codes & 0x4 ? 1 : 0;
condCodes.n = codes & 0x8 ? 1 : 0;
switch(condition)
{
case Always:

5
src/arch/sparc/tlb.hh
View file

@ -40,6 +40,9 @@ class ThreadContext;
namespace SparcISA
{
const int PAddrImplBits = 40;
const Addr PAddrImplMask = (ULL(1) << PAddrImplBits) - 1;
class TLB : public SimObject
{
public:
@ -59,7 +62,7 @@ namespace SparcISA
{
//For now, always assume the address is already physical.
//Also assume that there are 40 bits of physical address space.
req->setPaddr(req->getVaddr() & ((1ULL << 40) - 1));
req->setPaddr(req->getVaddr() & PAddrImplMask);
return NoFault;
}
};

1
src/arch/sparc/utility.hh
View file

@ -33,6 +33,7 @@
#include "arch/sparc/faults.hh"
#include "arch/sparc/isa_traits.hh"
#include "arch/sparc/tlb.hh"
#include "base/misc.hh"
#include "base/bitfield.hh"
#include "cpu/thread_context.hh"

9
src/base/loader/raw_object.cc
View file

@ -29,6 +29,7 @@
*/
#include "base/loader/raw_object.hh"
#include "base/loader/symtab.hh"
#include "base/trace.hh"
ObjectFile *
@ -62,11 +63,19 @@ RawObject::RawObject(const std::string &_filename, int _fd, size_t _len,
bool
RawObject::loadGlobalSymbols(SymbolTable *symtab)
{
int fnameStart = filename.rfind('/',filename.size()) + 1;
int extStart = filename.rfind('.',filename.size());
symtab->insert(text.baseAddr, filename.substr(fnameStart,
extStart-fnameStart) + "_start");
return true;
}
bool
RawObject::loadLocalSymbols(SymbolTable *symtab)
{
int fnameStart = filename.rfind('/',filename.size()) + 1;
int extStart = filename.rfind('.',filename.size());
symtab->insert(text.baseAddr, filename.substr(fnameStart,
extStart-fnameStart) + "_start");
return true;
}

2
src/base/remote_gdb.cc
View file

@ -421,7 +421,7 @@ BaseRemoteGDB::recv(char *bp, int maxlen)
putbyte(bp[0]);
putbyte(bp[1]);
len -= 3;
bcopy(bp + 3, bp, len);
memcpy(bp, bp+3, len);
}
break;
}

28
src/cpu/exetrace.cc
View file

@ -38,6 +38,7 @@
#include "arch/regfile.hh"
#include "arch/utility.hh"
#include "arch/tlb.hh"
#include "base/loader/symtab.hh"
#include "cpu/base.hh"
#include "cpu/exetrace.hh"
@ -232,17 +233,22 @@ Trace::InstRecord::dump(ostream &outs)
bool diffPC = false;
bool diffInst = false;
bool diffRegs = false;
Addr m5Pc, lgnPc;
if(!staticInst->isMicroOp() || staticInst->isLastMicroOp()) {
while (!compared) {
m5Pc = PC & TheISA::PAddrImplMask;
lgnPc = shared_data->pc & TheISA::PAddrImplMask;
if (shared_data->flags == OWN_M5) {
if (shared_data->pc != PC)
if (lgnPc != m5Pc)
diffPC = true;
if (shared_data->instruction != staticInst->machInst)
diffInst = true;
for (int i = 0; i < TheISA::NumIntRegs; i++) {
if (thread->readIntReg(i) != shared_data->intregs[i])
for (int i = 0; i < TheISA::NumRegularIntRegs; i++) {
if (thread->readIntReg(i) != shared_data->intregs[i]) {
diffRegs = true;
}
}
if (diffPC || diffInst || diffRegs ) {
@ -253,19 +259,19 @@ Trace::InstRecord::dump(ostream &outs)
outs << " [Instruction]";
if (diffRegs)
outs << " [IntRegs]";
outs << endl << endl;;
outs << endl << endl;
outs << setfill(' ') << setw(15)
outs << right << setfill(' ') << setw(15)
<< "M5 PC: " << "0x"<< setw(16) << setfill('0')
<< hex << PC << endl;
<< hex << m5Pc << endl;
outs << setfill(' ') << setw(15)
<< "Legion PC: " << "0x"<< setw(16) << setfill('0') << hex
<< shared_data->pc << endl << endl;
<< lgnPc << endl << endl;
outs << setfill(' ') << setw(15)
<< "M5 Inst: " << "0x"<< setw(8)
<< setfill('0') << hex << staticInst->machInst
<< staticInst->disassemble(PC, debugSymbolTable)
<< staticInst->disassemble(m5Pc, debugSymbolTable)
<< endl;
StaticInstPtr legionInst = StaticInst::decode(makeExtMI(shared_data->instruction, thread));
@ -273,7 +279,7 @@ Trace::InstRecord::dump(ostream &outs)
<< " Legion Inst: "
<< "0x" << setw(8) << setfill('0') << hex
<< shared_data->instruction
<< legionInst->disassemble(shared_data->pc, debugSymbolTable)
<< legionInst->disassemble(lgnPc, debugSymbolTable)
<< endl;
outs << endl;
@ -386,7 +392,7 @@ Trace::InstRecord::setParams()
// If were going to be in lockstep with Legion
// Setup shared memory, and get otherwise ready
if (flags[LEGION_LOCKSTEP]) {
int shmfd = shmget(getuid(), sizeof(SharedData), 0777);
int shmfd = shmget('M' << 24 | getuid(), sizeof(SharedData), 0777);
if (shmfd < 0)
fatal("Couldn't get shared memory fd. Is Legion running?");
@ -401,6 +407,8 @@ Trace::InstRecord::setParams()
fatal("Shared Data is wrong version! M5: %d Legion: %d", VERSION,
shared_data->version);
// step legion forward one cycle so we can get register values
shared_data->flags = OWN_LEGION;
}
}

28
src/cpu/m5legion_interface.h
View file

@ -30,7 +30,7 @@
#include <unistd.h>
#define VERSION 0xA1000002
#define VERSION 0xA1000005
#define OWN_M5 0x000000AA
#define OWN_LEGION 0x00000055
@ -41,9 +41,35 @@ typedef struct {
uint32_t version;
uint64_t pc;
uint64_t new_pc;
uint32_t instruction;
uint32_t new_instruction;
uint64_t intregs[32];
uint64_t tpc[8];
uint64_t tnpc[8];
uint64_t tstate[8];
uint16_t tt[8];
uint64_t tba;
uint64_t hpstate;
uint64_t htstate[8];
uint64_t htba;
uint16_t pstate;
uint64_t y;
uint8_t ccr;
uint8_t tl;
uint8_t gl;
uint8_t asi;
uint8_t pil;
uint8_t cwp;
uint8_t cansave;
uint8_t canrestore;
uint8_t otherwin;
uint8_t cleanwin;
} SharedData;
/** !!! ^^^ Increment VERSION on change ^^^ !!! **/

14
src/dev/ethertap.cc
View file

@ -178,7 +178,7 @@ EtherTap::recvPacket(EthPacketPtr packet)
DPRINTF(Ethernet, "EtherTap output len=%d\n", packet->length);
DDUMP(EthernetData, packet->data, packet->length);
u_int32_t len = htonl(packet->length);
uint32_t len = htonl(packet->length);
write(socket, &len, sizeof(len));
write(socket, packet->data, packet->length);
@ -199,11 +199,11 @@ EtherTap::process(int revent)
return;
}
char *data = buffer + sizeof(u_int32_t);
char *data = buffer + sizeof(uint32_t);
if (!(revent & POLLIN))
return;
if (buffer_offset < data_len + sizeof(u_int32_t)) {
if (buffer_offset < data_len + sizeof(uint32_t)) {
int len = read(socket, buffer + buffer_offset, buflen - buffer_offset);
if (len == 0) {
detach();
@ -213,23 +213,23 @@ EtherTap::process(int revent)
buffer_offset += len;
if (data_len == 0)
data_len = ntohl(*(u_int32_t *)buffer);
data_len = ntohl(*(uint32_t *)buffer);
DPRINTF(Ethernet, "Received data from peer: len=%d buffer_offset=%d "
"data_len=%d\n", len, buffer_offset, data_len);
}
while (data_len != 0 && buffer_offset >= data_len + sizeof(u_int32_t)) {
while (data_len != 0 && buffer_offset >= data_len + sizeof(uint32_t)) {
EthPacketPtr packet;
packet = new EthPacketData(data_len);
packet->length = data_len;
memcpy(packet->data, data, data_len);
buffer_offset -= data_len + sizeof(u_int32_t);
buffer_offset -= data_len + sizeof(uint32_t);
assert(buffer_offset >= 0);
if (buffer_offset > 0) {
memmove(buffer, data + data_len, buffer_offset);
data_len = ntohl(*(u_int32_t *)buffer);
data_len = ntohl(*(uint32_t *)buffer);
} else
data_len = 0;

14
src/dev/ide_atareg.h
View file

@ -35,11 +35,25 @@
#if defined(linux)
#include <endian.h>
#elif defined(__sun__)
#include <sys/isa_defs.h>
#else
#include <machine/endian.h>
#endif
#ifdef LITTLE_ENDIAN
#define ATA_BYTE_ORDER LITTLE_ENDIAN
#elif defined(BIG_ENDIAN)
#define ATA_BYTE_ORDER BIG_ENDIAN
#elif defined(_LITTLE_ENDIAN)
#define ATA_BYTE_ORDER 1
#define LITTLE_ENDIAN 1
#elif defined(_BIG_ENDIAN)
#define ATA_BYTE_ORDER 0
#define LITTLE_ENDIAN 1
#else
#error "No endianess defined"
#endif
/*
* Drive parameter structure for ATA/ATAPI.

52
src/dev/pcidev.cc
View file

@ -387,33 +387,33 @@ CREATE_SIM_OBJECT(PciConfigData)
{
PciConfigData *data = new PciConfigData(getInstanceName());
data->config.vendor = htole(VendorID);
data->config.device = htole(DeviceID);
data->config.command = htole(Command);
data->config.status = htole(Status);
data->config.revision = htole(Revision);
data->config.progIF = htole(ProgIF);
data->config.subClassCode = htole(SubClassCode);
data->config.classCode = htole(ClassCode);
data->config.cacheLineSize = htole(CacheLineSize);
data->config.latencyTimer = htole(LatencyTimer);
data->config.headerType = htole(HeaderType);
data->config.bist = htole(BIST);
data->config.vendor = htole(VendorID.returnValue());
data->config.device = htole(DeviceID.returnValue());
data->config.command = htole(Command.returnValue());
data->config.status = htole(Status.returnValue());
data->config.revision = htole(Revision.returnValue());
data->config.progIF = htole(ProgIF.returnValue());
data->config.subClassCode = htole(SubClassCode.returnValue());
data->config.classCode = htole(ClassCode.returnValue());
data->config.cacheLineSize = htole(CacheLineSize.returnValue());
data->config.latencyTimer = htole(LatencyTimer.returnValue());
data->config.headerType = htole(HeaderType.returnValue());
data->config.bist = htole(BIST.returnValue());
data->config.baseAddr[0] = htole(BAR0);
data->config.baseAddr[1] = htole(BAR1);
data->config.baseAddr[2] = htole(BAR2);
data->config.baseAddr[3] = htole(BAR3);
data->config.baseAddr[4] = htole(BAR4);
data->config.baseAddr[5] = htole(BAR5);
data->config.cardbusCIS = htole(CardbusCIS);
data->config.subsystemVendorID = htole(SubsystemVendorID);
data->config.subsystemID = htole(SubsystemID);
data->config.expansionROM = htole(ExpansionROM);
data->config.interruptLine = htole(InterruptLine);
data->config.interruptPin = htole(InterruptPin);
data->config.minimumGrant = htole(MinimumGrant);
data->config.maximumLatency = htole(MaximumLatency);
data->config.baseAddr[0] = htole(BAR0.returnValue());
data->config.baseAddr[1] = htole(BAR1.returnValue());
data->config.baseAddr[2] = htole(BAR2.returnValue());
data->config.baseAddr[3] = htole(BAR3.returnValue());
data->config.baseAddr[4] = htole(BAR4.returnValue());
data->config.baseAddr[5] = htole(BAR5.returnValue());
data->config.cardbusCIS = htole(CardbusCIS.returnValue());
data->config.subsystemVendorID = htole(SubsystemVendorID.returnValue());
data->config.subsystemID = htole(SubsystemID.returnValue());
data->config.expansionROM = htole(ExpansionROM.returnValue());
data->config.interruptLine = htole(InterruptLine.returnValue());
data->config.interruptPin = htole(InterruptPin.returnValue());
data->config.minimumGrant = htole(MinimumGrant.returnValue());
data->config.maximumLatency = htole(MaximumLatency.returnValue());
data->BARSize[0] = BAR0Size;
data->BARSize[1] = BAR1Size;

2
src/sim/param.hh
View file

@ -242,6 +242,8 @@ class Param : public BaseParam
return value;
}
T returnValue() const { return value; }
// display value to stream
virtual void showValue(std::ostream &os) const;