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Merge zizzer.eecs.umich.edu:/z/m5/Bitkeeper/m5

Browse source 
into  zizzer.eecs.umich.edu:/z/m5/Bitkeeper/multiarch

--HG--
extra : convert_revision : b4bbf63ec3b1c6de0ea7220e6dda5366c0529c07
This commit is contained in:
Gabe Black 2006-02-15 23:24:35 -05:00
commit 7f17f1f2df
7 changed files with 327 additions and 124 deletions
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44
arch/alpha/alpha_linux_process.cc
View file

@ -296,27 +296,38 @@ class Linux {
// Same for stat64
static void
copyOutStat64Buf(FunctionalMemory *mem, Addr addr, hst_stat64 *host)
copyOutStat64Buf(FunctionalMemory *mem, int fd, Addr addr, hst_stat64 *host)
{
TypedBufferArg<Linux::tgt_stat64> tgt(addr);
// XXX byteswaps
tgt->st_dev = htog(host->st_dev);
// fd == 1 checks are because libc does some checks
// that the stdout is interactive vs. a file
// this makes it work on non-linux systems
if (fd == 1)
tgt->st_dev = htog((uint64_t)0xA);
else
tgt->st_dev = htog((uint64_t)host->st_dev);
// XXX What about STAT64_HAS_BROKEN_ST_INO ???
tgt->st_ino = htog(host->st_ino);
tgt->st_rdev = htog(host->st_rdev);
tgt->st_size = htog(host->st_size);
tgt->st_blocks = htog(host->st_blocks);
tgt->st_ino = htog((uint64_t)host->st_ino);
if (fd == 1)
tgt->st_rdev = htog((uint64_t)0x880d);
else
tgt->st_rdev = htog((uint64_t)host->st_rdev);
tgt->st_size = htog((int64_t)host->st_size);
tgt->st_blocks = htog((uint64_t)host->st_blocks);
tgt->st_mode = htog(host->st_mode);
tgt->st_uid = htog(host->st_uid);
tgt->st_gid = htog(host->st_gid);
tgt->st_blksize = htog(host->st_blksize);
tgt->st_nlink = htog(host->st_nlink);
tgt->tgt_st_atime = htog(host->st_atime);
tgt->tgt_st_mtime = htog(host->st_mtime);
tgt->tgt_st_ctime = htog(host->st_ctime);
#if defined(STAT_HAVE_NSEC) || (BSD_HOST == 1)
if (fd == 1)
tgt->st_mode = htog((uint32_t)0x2190);
else
tgt->st_mode = htog((uint32_t)host->st_mode);
tgt->st_uid = htog((uint32_t)host->st_uid);
tgt->st_gid = htog((uint32_t)host->st_gid);
tgt->st_blksize = htog((uint32_t)host->st_blksize);
tgt->st_nlink = htog((uint32_t)host->st_nlink);
tgt->tgt_st_atime = htog((uint64_t)host->st_atime);
tgt->tgt_st_mtime = htog((uint64_t)host->st_mtime);
tgt->tgt_st_ctime = htog((uint64_t)host->st_ctime);
#if defined(STAT_HAVE_NSEC)
tgt->st_atime_nsec = htog(host->st_atime_nsec);
tgt->st_mtime_nsec = htog(host->st_mtime_nsec);
tgt->st_ctime_nsec = htog(host->st_ctime_nsec);
@ -325,6 +336,7 @@ class Linux {
tgt->st_mtime_nsec = 0;
tgt->st_ctime_nsec = 0;
#endif
tgt.copyOut(mem);
}

207
arch/alpha/alpha_tru64_process.cc
View file

@ -542,19 +542,19 @@ class Tru64 {
{
TypedBufferArg<T> tgt(addr);
tgt->st_dev = host->st_dev;
tgt->st_ino = host->st_ino;
tgt->st_mode = host->st_mode;
tgt->st_nlink = host->st_nlink;
tgt->st_uid = host->st_uid;
tgt->st_gid = host->st_gid;
tgt->st_rdev = host->st_rdev;
tgt->st_size = host->st_size;
tgt->st_atimeX = host->st_atime;
tgt->st_mtimeX = host->st_mtime;
tgt->st_ctimeX = host->st_ctime;
tgt->st_blksize = host->st_blksize;
tgt->st_blocks = host->st_blocks;
tgt->st_dev = htog(host->st_dev);
tgt->st_ino = htog(host->st_ino);
tgt->st_mode = htog(host->st_mode);
tgt->st_nlink = htog(host->st_nlink);
tgt->st_uid = htog(host->st_uid);
tgt->st_gid = htog(host->st_gid);
tgt->st_rdev = htog(host->st_rdev);
tgt->st_size = htog(host->st_size);
tgt->st_atimeX = htog(host->st_atime);
tgt->st_mtimeX = htog(host->st_mtime);
tgt->st_ctimeX = htog(host->st_ctime);
tgt->st_blksize = htog(host->st_blksize);
tgt->st_blocks = htog(host->st_blocks);
tgt.copyOut(mem);
}
@ -571,14 +571,16 @@ class Tru64 {
#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__FreeBSD__)
tgt->f_type = 0;
#else
tgt->f_type = host->f_type;
tgt->f_type = htog(host->f_type);
#endif
tgt->f_bsize = host->f_bsize;
tgt->f_blocks = host->f_blocks;
tgt->f_bfree = host->f_bfree;
tgt->f_bavail = host->f_bavail;
tgt->f_files = host->f_files;
tgt->f_ffree = host->f_ffree;
tgt->f_bsize = htog(host->f_bsize);
tgt->f_blocks = htog(host->f_blocks);
tgt->f_bfree = htog(host->f_bfree);
tgt->f_bavail = htog(host->f_bavail);
tgt->f_files = htog(host->f_files);
tgt->f_ffree = htog(host->f_ffree);
// Is this as string normally?
memcpy(&tgt->f_fsid, &host->f_fsid, sizeof(host->f_fsid));
tgt.copyOut(mem);
@ -623,19 +625,19 @@ class Tru64 {
{
TypedBufferArg<Tru64::pre_F64_stat> tgt(addr);
tgt->st_dev = host->st_dev;
tgt->st_ino = host->st_ino;
tgt->st_mode = host->st_mode;
tgt->st_nlink = host->st_nlink;
tgt->st_uid = host->st_uid;
tgt->st_gid = host->st_gid;
tgt->st_rdev = host->st_rdev;
tgt->st_size = host->st_size;
tgt->st_atimeX = host->st_atime;
tgt->st_mtimeX = host->st_mtime;
tgt->st_ctimeX = host->st_ctime;
tgt->st_blksize = host->st_blksize;
tgt->st_blocks = host->st_blocks;
tgt->st_dev = htog(host->st_dev);
tgt->st_ino = htog(host->st_ino);
tgt->st_mode = htog(host->st_mode);
tgt->st_nlink = htog(host->st_nlink);
tgt->st_uid = htog(host->st_uid);
tgt->st_gid = htog(host->st_gid);
tgt->st_rdev = htog(host->st_rdev);
tgt->st_size = htog(host->st_size);
tgt->st_atimeX = htog(host->st_atime);
tgt->st_mtimeX = htog(host->st_mtime);
tgt->st_ctimeX = htog(host->st_ctime);
tgt->st_blksize = htog(host->st_blksize);
tgt->st_blocks = htog(host->st_blocks);
tgt.copyOut(mem);
}
@ -674,21 +676,21 @@ class Tru64 {
case Tru64::GSI_MAX_CPU: {
TypedBufferArg<uint32_t> max_cpu(xc->getSyscallArg(1));
*max_cpu = process->numCpus();
*max_cpu = htog((uint32_t)process->numCpus());
max_cpu.copyOut(xc->mem);
return 1;
}
case Tru64::GSI_CPUS_IN_BOX: {
TypedBufferArg<uint32_t> cpus_in_box(xc->getSyscallArg(1));
*cpus_in_box = process->numCpus();
*cpus_in_box = htog((uint32_t)process->numCpus());
cpus_in_box.copyOut(xc->mem);
return 1;
}
case Tru64::GSI_PHYSMEM: {
TypedBufferArg<uint64_t> physmem(xc->getSyscallArg(1));
*physmem = 1024 * 1024; // physical memory in KB
*physmem = htog((uint64_t)1024 * 1024); // physical memory in KB
physmem.copyOut(xc->mem);
return 1;
}
@ -696,15 +698,15 @@ class Tru64 {
case Tru64::GSI_CPU_INFO: {
TypedBufferArg<Tru64::cpu_info> infop(xc->getSyscallArg(1));
infop->current_cpu = 0;
infop->cpus_in_box = process->numCpus();
infop->cpu_type = 57;
infop->ncpus = process->numCpus();
int cpumask = (1 << process->numCpus()) - 1;
infop->cpus_present = infop->cpus_running = cpumask;
infop->cpu_binding = 0;
infop->cpu_ex_binding = 0;
infop->mhz = 667;
infop->current_cpu = htog(0);
infop->cpus_in_box = htog(process->numCpus());
infop->cpu_type = htog(57);
infop->ncpus = htog(process->numCpus());
uint64_t cpumask = (1 << process->numCpus()) - 1;
infop->cpus_present = infop->cpus_running = htog(cpumask);
infop->cpu_binding = htog(0);
infop->cpu_ex_binding = htog(0);
infop->mhz = htog(667);
infop.copyOut(xc->mem);
return 1;
@ -712,7 +714,7 @@ class Tru64 {
case Tru64::GSI_PROC_TYPE: {
TypedBufferArg<uint64_t> proc_type(xc->getSyscallArg(1));
*proc_type = 11;
*proc_type = htog((uint64_t)11);
proc_type.copyOut(xc->mem);
return 1;
}
@ -728,7 +730,7 @@ class Tru64 {
case Tru64::GSI_CLK_TCK: {
TypedBufferArg<uint64_t> clk_hz(xc->getSyscallArg(1));
*clk_hz = 1024;
*clk_hz = htog((uint64_t)1024);
clk_hz.copyOut(xc->mem);
return 1;
}
@ -824,7 +826,7 @@ class Tru64 {
// just pass basep through uninterpreted.
TypedBufferArg<int64_t> basep(tgt_basep);
basep.copyIn(xc->mem);
long host_basep = (off_t)*basep;
long host_basep = (off_t)htog((int64_t)*basep);
int host_result = getdirentries(fd, host_buf, tgt_nbytes, &host_basep);
// check for error
@ -858,7 +860,7 @@ class Tru64 {
delete [] host_buf;
*basep = host_basep;
*basep = htog((int64_t)host_basep);
basep.copyOut(xc->mem);
return tgt_buf_ptr - tgt_buf;
@ -879,14 +881,14 @@ class Tru64 {
// Note that we'll advance PC <- NPC before the end of the cycle,
// so we need to restore the desired PC into NPC.
// The current regs->pc will get clobbered.
regs->npc = sc->sc_pc;
regs->npc = htog(sc->sc_pc);
for (int i = 0; i < 31; ++i) {
regs->intRegFile[i] = sc->sc_regs[i];
regs->floatRegFile.q[i] = sc->sc_fpregs[i];
regs->intRegFile[i] = htog(sc->sc_regs[i]);
regs->floatRegFile.q[i] = htog(sc->sc_fpregs[i]);
}
regs->miscRegs.fpcr = sc->sc_fpcr;
regs->miscRegs.fpcr = htog(sc->sc_fpcr);
return 0;
}
@ -909,15 +911,15 @@ class Tru64 {
TypedBufferArg<Tru64::tbl_sysinfo> elp(xc->getSyscallArg(2));
const int clk_hz = one_million;
elp->si_user = curTick / (Clock::Frequency / clk_hz);
elp->si_nice = 0;
elp->si_sys = 0;
elp->si_idle = 0;
elp->wait = 0;
elp->si_hz = clk_hz;
elp->si_phz = clk_hz;
elp->si_boottime = seconds_since_epoch; // seconds since epoch?
elp->si_max_procs = process->numCpus();
elp->si_user = htog(curTick / (Clock::Frequency / clk_hz));
elp->si_nice = htog(0);
elp->si_sys = htog(0);
elp->si_idle = htog(0);
elp->wait = htog(0);
elp->si_hz = htog(clk_hz);
elp->si_phz = htog(clk_hz);
elp->si_boottime = htog(seconds_since_epoch); // seconds since epoch?
elp->si_max_procs = htog(process->numCpus());
elp.copyOut(xc->mem);
return 0;
}
@ -952,9 +954,10 @@ class Tru64 {
// if the user chose an address, just let them have it. Otherwise
// pick one for them.
if (argp->address == 0) {
argp->address = process->next_thread_stack_base;
int stack_size = (argp->rsize + argp->ysize + argp->gsize);
if (htog(argp->address) == 0) {
argp->address = htog(process->next_thread_stack_base);
int stack_size = (htog(argp->rsize) + htog(argp->ysize) +
htog(argp->gsize));
process->next_thread_stack_base -= stack_size;
argp.copyOut(xc->mem);
}
@ -978,14 +981,14 @@ class Tru64 {
attrp.copyIn(xc->mem);
if (attrp->nxm_version != NXM_LIB_VERSION) {
if (gtoh(attrp->nxm_version) != NXM_LIB_VERSION) {
cerr << "nxm_task_init: thread library version mismatch! "
<< "got " << attrp->nxm_version
<< ", expected " << NXM_LIB_VERSION << endl;
abort();
}
if (attrp->flags != Tru64::NXM_TASK_INIT_VP) {
if (gtoh(attrp->flags) != Tru64::NXM_TASK_INIT_VP) {
cerr << "nxm_task_init: bad flag value " << attrp->flags
<< " (expected " << Tru64::NXM_TASK_INIT_VP << ")" << endl;
abort();
@ -1012,10 +1015,10 @@ class Tru64 {
// now initialize a config_info struct and copy it out to user space
TypedBufferArg<Tru64::nxm_config_info> config(config_addr);
config->nxm_nslots_per_rad = process->numCpus();
config->nxm_nrads = 1; // only one RAD in our system!
config->nxm_slot_state = slot_state_addr;
config->nxm_rad[0] = rad_state_addr;
config->nxm_nslots_per_rad = htog(process->numCpus());
config->nxm_nrads = htog(1); // only one RAD in our system!
config->nxm_slot_state = htog(slot_state_addr);
config->nxm_rad[0] = htog(rad_state_addr);
config.copyOut(xc->mem);
@ -1024,6 +1027,8 @@ class Tru64 {
slot_state_size);
for (int i = 0; i < process->numCpus(); ++i) {
// CPU 0 is bound to the calling process; all others are available
// XXX this code should have an endian conversion, but I don't think
// it works anyway
slot_state[i] =
(i == 0) ? Tru64::NXM_SLOT_BOUND : Tru64::NXM_SLOT_AVAIL;
}
@ -1041,24 +1046,24 @@ class Tru64 {
rad_state->nxm_uniq_offset = attrp->nxm_uniq_offset;
for (int i = 0; i < process->numCpus(); ++i) {
Tru64::nxm_sched_state *ssp = &rad_state->nxm_ss[i];
ssp->nxm_u.sigmask = 0;
ssp->nxm_u.sig = 0;
ssp->nxm_u.flags = 0;
ssp->nxm_u.cancel_state = 0;
ssp->nxm_u.sigmask = htog(0);
ssp->nxm_u.sig = htog(0);
ssp->nxm_u.flags = htog(0);
ssp->nxm_u.cancel_state = htog(0);
ssp->nxm_u.nxm_ssig = 0;
ssp->nxm_bits = 0;
ssp->nxm_bits = htog(0);
ssp->nxm_quantum = attrp->nxm_quantum;
ssp->nxm_set_quantum = attrp->nxm_quantum;
ssp->nxm_sysevent = 0;
ssp->nxm_sysevent = htog(0);
if (i == 0) {
uint64_t uniq = xc->regs.miscRegs.uniq;
ssp->nxm_u.pth_id = uniq + attrp->nxm_uniq_offset;
ssp->nxm_u.nxm_active = uniq | 1;
ssp->nxm_u.pth_id = htog(uniq + gtoh(attrp->nxm_uniq_offset));
ssp->nxm_u.nxm_active = htog(uniq | 1);
}
else {
ssp->nxm_u.pth_id = 0;
ssp->nxm_u.nxm_active = 0;
ssp->nxm_u.pth_id = htog(0);
ssp->nxm_u.nxm_active = htog(0);
}
}
@ -1067,7 +1072,7 @@ class Tru64 {
//
// copy pointer to shared config area out to user
//
*configptr_ptr = config_addr;
*configptr_ptr = htog(config_addr);
configptr_ptr.copyOut(xc->mem);
// Register this as a valid address range with the process
@ -1084,13 +1089,13 @@ class Tru64 {
{
memset(&ec->regs, 0, sizeof(ec->regs));
ec->regs.intRegFile[ArgumentReg0] = attrp->registers.a0;
ec->regs.intRegFile[27/*t12*/] = attrp->registers.pc;
ec->regs.intRegFile[StackPointerReg] = attrp->registers.sp;
ec->regs.intRegFile[ArgumentReg0] = gtoh(attrp->registers.a0);
ec->regs.intRegFile[27/*t12*/] = gtoh(attrp->registers.pc);
ec->regs.intRegFile[StackPointerReg] = gtoh(attrp->registers.sp);
ec->regs.miscRegs.uniq = uniq_val;
ec->regs.pc = attrp->registers.pc;
ec->regs.npc = attrp->registers.pc + sizeof(MachInst);
ec->regs.pc = gtoh(attrp->registers.pc);
ec->regs.npc = gtoh(attrp->registers.pc) + sizeof(MachInst);
ec->activate();
}
@ -1107,7 +1112,7 @@ class Tru64 {
// get attribute args
attrp.copyIn(xc->mem);
if (attrp->version != NXM_LIB_VERSION) {
if (gtoh(attrp->version) != NXM_LIB_VERSION) {
cerr << "nxm_thread_create: thread library version mismatch! "
<< "got " << attrp->version
<< ", expected " << NXM_LIB_VERSION << endl;
@ -1132,28 +1137,28 @@ class Tru64 {
rad_state_size);
rad_state.copyIn(xc->mem);
uint64_t uniq_val = attrp->pthid - rad_state->nxm_uniq_offset;
uint64_t uniq_val = gtoh(attrp->pthid) - gtoh(rad_state->nxm_uniq_offset);
if (attrp->type == Tru64::NXM_TYPE_MANAGER) {
if (gtoh(attrp->type) == Tru64::NXM_TYPE_MANAGER) {
// DEC pthreads seems to always create one of these (in
// addition to N application threads), but we don't use it,
// so don't bother creating it.
// This is supposed to be a port number. Make something up.
*kidp = 99;
*kidp = htog(99);
kidp.copyOut(xc->mem);
return 0;
} else if (attrp->type == Tru64::NXM_TYPE_VP) {
} else if (gtoh(attrp->type) == Tru64::NXM_TYPE_VP) {
// A real "virtual processor" kernel thread. Need to fork
// this thread on another CPU.
Tru64::nxm_sched_state *ssp = &rad_state->nxm_ss[thread_index];
if (ssp->nxm_u.nxm_active != 0)
if (gtoh(ssp->nxm_u.nxm_active) != 0)
return (int) Tru64::KERN_NOT_RECEIVER;
ssp->nxm_u.pth_id = attrp->pthid;
ssp->nxm_u.nxm_active = uniq_val | 1;
ssp->nxm_u.nxm_active = htog(uniq_val | 1);
rad_state.copyOut(xc->mem);
@ -1173,6 +1178,8 @@ class Tru64 {
fatal("");
}
// XXX This should have an endian conversion but I think this code
// doesn't work anyway
slot_state[thread_index] = Tru64::NXM_SLOT_BOUND;
slot_state.copyOut(xc->mem);
@ -1188,7 +1195,7 @@ class Tru64 {
// This is supposed to be a port number, but we'll try
// and get away with just sticking the thread index
// here.
*kidp = thread_index;
*kidp = htog(thread_index);
kidp.copyOut(xc->mem);
return 0;
@ -1320,9 +1327,9 @@ class Tru64 {
lockp.copyIn(xc->mem);
if (*lockp == 0) {
if (gtoh(*lockp) == 0) {
// lock is free: grab it
*lockp = 1;
*lockp = htog(1);
lockp.copyOut(xc->mem);
} else {
// lock is busy: disable until free
@ -1375,9 +1382,9 @@ class Tru64 {
lockp.copyIn(xc->mem);
if (*lockp == 0) {
if (gtoh(*lockp) == 0) {
// lock is free: grab it
*lockp = 1;
*lockp = htog(1);
lockp.copyOut(xc->mem);
return 0;
} else {
@ -1434,7 +1441,7 @@ class Tru64 {
// user is supposed to acquire lock before entering
lockp.copyIn(xc->mem);
assert(*lockp != 0);
assert(gtoh(*lockp) != 0);
m5_unlock_mutex(lock_addr, process, xc);

153
arch/alpha/isa/mem.isa
View file

@ -164,9 +164,24 @@ def template LoadStoreDeclare {{
%(class_name)s(MachInst machInst);
%(BasicExecDeclare)s
%(InitiateAccDeclare)s
%(CompleteAccDeclare)s
};
}};
def template InitiateAccDeclare {{
Fault initiateAcc(%(CPU_exec_context)s *, Trace::InstRecord *) const;
}};
def template CompleteAccDeclare {{
Fault completeAcc(uint8_t *, %(CPU_exec_context)s *, Trace::InstRecord *) const;
}};
def template LoadStoreConstructor {{
/** TODO: change op_class to AddrGenOp or something (requires
* creating new member of OpClass enum in op_class.hh, updating
@ -267,6 +282,54 @@ def template LoadExecute {{
}};
def template LoadInitiateAcc {{
Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
Addr EA;
Fault fault = No_Fault;
%(mem_acc_type)s Mem = 0;
%(fp_enable_check)s;
%(op_src_decl)s;
%(op_rd)s;
%(ea_code)s;
if (fault == No_Fault) {
fault = xc->read(EA, (uint%(mem_acc_size)d_t &)Mem, memAccessFlags);
}
return fault;
}
}};
def template LoadCompleteAcc {{
Fault %(class_name)s::completeAcc(uint8_t *data,
%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
Fault fault = No_Fault;
%(mem_acc_type)s Mem = 0;
%(fp_enable_check)s;
%(op_dest_decl)s;
memcpy(&Mem, data, sizeof(Mem));
if (fault == No_Fault) {
%(memacc_code)s;
}
if (fault == No_Fault) {
%(op_wb)s;
}
return fault;
}
}};
def template StoreMemAccExecute {{
Fault
%(class_name)s::MemAcc::execute(%(CPU_exec_context)s *xc,
@ -339,6 +402,60 @@ def template StoreExecute {{
}
}};
def template StoreInitiateAcc {{
Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
Addr EA;
Fault fault = No_Fault;
uint64_t write_result = 0;
%(mem_acc_type)s Mem = 0;
%(fp_enable_check)s;
%(op_src_decl)s;
%(op_rd)s;
%(ea_code)s;
if (fault == No_Fault) {
%(memacc_code)s;
}
if (fault == No_Fault) {
fault = xc->write((uint%(mem_acc_size)d_t&)Mem, EA,
memAccessFlags, &write_result);
if (traceData) { traceData->setData(Mem); }
}
return fault;
}
}};
def template StoreCompleteAcc {{
Fault %(class_name)s::completeAcc(uint8_t *data,
%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
Fault fault = No_Fault;
uint64_t write_result = 0;
%(fp_enable_check)s;
%(op_dest_decl)s;
memcpy(&write_result, data, sizeof(write_result));
if (fault == No_Fault) {
%(postacc_code)s;
}
if (fault == No_Fault) {
%(op_wb)s;
}
return fault;
}
}};
def template MiscMemAccExecute {{
Fault %(class_name)s::MemAcc::execute(%(CPU_exec_context)s *xc,
@ -380,6 +497,36 @@ def template MiscExecute {{
}
}};
def template MiscInitiateAcc {{
Fault %(class_name)s::initiateAcc(%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
Addr EA;
Fault fault = No_Fault;
%(fp_enable_check)s;
%(op_decl)s;
%(op_rd)s;
%(ea_code)s;
if (fault == No_Fault) {
%(memacc_code)s;
}
return No_Fault;
}
}};
def template MiscCompleteAcc {{
Fault %(class_name)s::completeAcc(uint8_t *data,
%(CPU_exec_context)s *xc,
Trace::InstRecord *traceData) const
{
return No_Fault;
}
}};
// load instructions use Ra as dest, so check for
// Ra == 31 to detect nops
def template LoadNopCheckDecode {{
@ -455,13 +602,17 @@ def LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
# select templates
memAccExecTemplate = eval(exec_template_base + 'MemAccExecute')
fullExecTemplate = eval(exec_template_base + 'Execute')
initiateAccTemplate = eval(exec_template_base + 'InitiateAcc')
completeAccTemplate = eval(exec_template_base + 'CompleteAcc')
# (header_output, decoder_output, decode_block, exec_output)
return (LoadStoreDeclare.subst(iop), LoadStoreConstructor.subst(iop),
decode_template.subst(iop),
EACompExecute.subst(ea_iop)
+ memAccExecTemplate.subst(memacc_iop)
+ fullExecTemplate.subst(iop))
+ fullExecTemplate.subst(iop)
+ initiateAccTemplate.subst(iop)
+ completeAccTemplate.subst(iop))
}};

18
arch/isa_parser.py
View file

@ -1138,6 +1138,7 @@ class Operand(object):
# template must be careful not to use it if it doesn't apply.
if self.isMem():
self.mem_acc_size = self.makeAccSize()
self.mem_acc_type = self.ctype
# Finalize additional fields (primarily code fields). This step
# is done separately since some of these fields may depend on the
@ -1148,15 +1149,23 @@ class Operand(object):
self.constructor = self.makeConstructor()
self.op_decl = self.makeDecl()
if self.isMem():
self.is_src = ''
self.is_dest = ''
if self.is_src:
self.op_rd = self.makeRead()
self.op_src_decl = self.makeDecl()
else:
self.op_rd = ''
self.op_src_decl = ''
if self.is_dest:
self.op_wb = self.makeWrite()
self.op_dest_decl = self.makeDecl()
else:
self.op_wb = ''
self.op_dest_decl = ''
def isMem(self):
return 0
@ -1589,6 +1598,14 @@ class CodeBlock:
self.op_decl = self.operands.concatAttrStrings('op_decl')
is_src = lambda op: op.is_src
is_dest = lambda op: op.is_dest
self.op_src_decl = \
self.operands.concatSomeAttrStrings(is_src, 'op_src_decl')
self.op_dest_decl = \
self.operands.concatSomeAttrStrings(is_dest, 'op_dest_decl')
self.op_rd = self.operands.concatAttrStrings('op_rd')
self.op_wb = self.operands.concatAttrStrings('op_wb')
@ -1596,6 +1613,7 @@ class CodeBlock:
if self.operands.memOperand:
self.mem_acc_size = self.operands.memOperand.mem_acc_size
self.mem_acc_type = self.operands.memOperand.mem_acc_type
# Make a basic guess on the operand class (function unit type).
# These are good enough for most cases, and will be overridden

5
sim/byteswap.hh
View file

@ -79,6 +79,11 @@ static inline uint64_t swap_byte(uint64_t x) {return swap_byte64(x);}
static inline int64_t swap_byte(int64_t x) {return swap_byte64((uint64_t)x);}
static inline uint32_t swap_byte(uint32_t x) {return swap_byte32(x);}
static inline int32_t swap_byte(int32_t x) {return swap_byte32((uint32_t)x);}
#if defined(__APPLE__)
static inline long swap_byte(long x) {return swap_byte32((long)x);}
static inline unsigned long swap_byte(unsigned long x)
{ return swap_byte32((unsigned long)x);}
#endif
static inline uint16_t swap_byte(uint16_t x) {return swap_byte32(x);}
static inline int16_t swap_byte(int16_t x) {return swap_byte16((uint16_t)x);}
static inline uint8_t swap_byte(uint8_t x) {return x;}

5
sim/process.cc
View file

@ -251,8 +251,10 @@ static void
copyStringArray(vector<string> &strings, Addr array_ptr, Addr data_ptr,
FunctionalMemory *memory)
{
Addr data_ptr_swap;
for (int i = 0; i < strings.size(); ++i) {
memory->access(Write, array_ptr, &data_ptr, sizeof(Addr));
data_ptr_swap = htog(data_ptr);
memory->access(Write, array_ptr, &data_ptr_swap, sizeof(Addr));
memory->writeString(data_ptr, strings[i].c_str());
array_ptr += sizeof(Addr);
data_ptr += strings[i].size() + 1;
@ -334,6 +336,7 @@ LiveProcess::LiveProcess(const string &nm, ObjectFile *objFile,
// write contents to stack
uint64_t argc = argv.size();
argc = htog(argc);
memory->access(Write, stack_min, &argc, sizeof(uint64_t));
copyStringArray(argv, argv_array_base, arg_data_base, memory);

19
sim/syscall_emul.hh
View file

@ -455,7 +455,7 @@ fstat64Func(SyscallDesc *desc, int callnum, Process *process,
if (result < 0)
return errno;
OS::copyOutStat64Buf(xc->mem, xc->getSyscallArg(1), &hostBuf);
OS::copyOutStat64Buf(xc->mem, fd, xc->getSyscallArg(1), &hostBuf);
return 0;
}
@ -505,7 +505,7 @@ lstat64Func(SyscallDesc *desc, int callnum, Process *process,
if (result < 0)
return -errno;
OS::copyOutStat64Buf(xc->mem, xc->getSyscallArg(1), &hostBuf);
OS::copyOutStat64Buf(xc->mem, -1, xc->getSyscallArg(1), &hostBuf);
return 0;
}
@ -600,9 +600,9 @@ writevFunc(SyscallDesc *desc, int callnum, Process *process,
typename OS::tgt_iovec tiov;
xc->mem->access(Read, tiov_base + i*sizeof(typename OS::tgt_iovec),
&tiov, sizeof(typename OS::tgt_iovec));
hiov[i].iov_len = tiov.iov_len;
hiov[i].iov_len = gtoh(tiov.iov_len);
hiov[i].iov_base = new char [hiov[i].iov_len];
xc->mem->access(Read, tiov.iov_base,
xc->mem->access(Read, gtoh(tiov.iov_base),
hiov[i].iov_base, hiov[i].iov_len);
}
@ -674,6 +674,8 @@ getrlimitFunc(SyscallDesc *desc, int callnum, Process *process,
case OS::TGT_RLIMIT_STACK:
// max stack size in bytes: make up a number (2MB for now)
rlp->rlim_cur = rlp->rlim_max = 8 * 1024 * 1024;
rlp->rlim_cur = htog(rlp->rlim_cur);
rlp->rlim_max = htog(rlp->rlim_max);
break;
default:
@ -697,6 +699,8 @@ gettimeofdayFunc(SyscallDesc *desc, int callnum, Process *process,
getElapsedTime(tp->tv_sec, tp->tv_usec);
tp->tv_sec += seconds_since_epoch;
tp->tv_sec = htog(tp->tv_sec);
tp->tv_usec = htog(tp->tv_usec);
tp.copyOut(xc->mem);
@ -721,8 +725,8 @@ utimesFunc(SyscallDesc *desc, int callnum, Process *process,
struct timeval hostTimeval[2];
for (int i = 0; i < 2; ++i)
{
hostTimeval[i].tv_sec = (*tp)[i].tv_sec;
hostTimeval[i].tv_usec = (*tp)[i].tv_usec;
hostTimeval[i].tv_sec = gtoh((*tp)[i].tv_sec);
hostTimeval[i].tv_usec = gtoh((*tp)[i].tv_usec);
}
int result = utimes(path.c_str(), hostTimeval);
@ -748,6 +752,9 @@ getrusageFunc(SyscallDesc *desc, int callnum, Process *process,
}
getElapsedTime(rup->ru_utime.tv_sec, rup->ru_utime.tv_usec);
rup->ru_utime.tv_sec = htog(rup->ru_utime.tv_sec);
rup->ru_utime.tv_usec = htog(rup->ru_utime.tv_usec);
rup->ru_stime.tv_sec = 0;
rup->ru_stime.tv_usec = 0;
rup->ru_maxrss = 0;