/*
- * Copyright (c) 2003 The Regents of The University of Michigan
+ * Copyright (c) 2001-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h> // for host open() flags
#include <sys/types.h>
#include <sys/stat.h>
-#include <string.h> // for memset()
-#include <dirent.h>
+#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__FreeBSD__)
+#include <sys/param.h>
+#include <sys/mount.h>
+#else
+#include <sys/statfs.h>
+#endif
-#include "sim/host.hh"
-#include "cpu/base_cpu.hh"
-#include "mem/functional_mem/functional_memory.hh"
-#include "sim/process.hh"
-#include "cpu/exec_context.hh"
-#include "sim/fake_syscall.hh"
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h> // for host open() flags
+#include <string.h> // for memset()
+#include <unistd.h>
+#include "arch/alpha/isa_traits.hh"
#include "arch/alpha/alpha_common_syscall_emul.hh"
#include "arch/alpha/alpha_tru64_process.hh"
-
-#include "sim/syscall_emul.hh"
-#include "sim/universe.hh" // for curTick & ticksPerSecond
-
#include "base/trace.hh"
+#include "cpu/base.hh"
+#include "cpu/exec_context.hh"
+#include "mem/functional/functional.hh"
+#include "sim/fake_syscall.hh"
+#include "sim/host.hh"
+#include "sim/process.hh"
+#include "sim/root.hh"
+#include "sim/syscall_emul.hh"
using namespace std;
+using namespace AlphaISA;
+
+typedef struct stat global_stat;
+typedef struct statfs global_statfs;
+typedef struct dirent global_dirent;
///
/// This class encapsulates the types, structures, constants,
typedef uint32_t time_t;
typedef uint32_t mode_t;
typedef uint32_t ino_t;
+ typedef struct { int val[2]; } quad;
+ typedef quad fsid_t;
//@}
//@{
/// Number of entries in openFlagTable[].
static const int NUM_OPEN_FLAGS;
- /// Stat buffer. Note that Tru64 v5.0+ use a new "F64" stat structure,
- /// and a new set of syscall numbers for stat calls. Backwards
- /// compatibility with v4.x should be feasible by implementing
- /// another set of stat functions using the old structure
- /// definition and binding them to the old syscall numbers, but we
- /// haven't done that yet.
+ /// Stat buffer. Note that Tru64 v5.0+ use a new "F64" stat
+ /// structure, and a new set of syscall numbers for stat calls.
+ /// On some hosts (notably Linux) define st_atime, st_mtime, and
+ /// st_ctime as macros, so we append an X to get around this.
struct F64_stat {
dev_t st_dev; //!< st_dev
int32_t st_retired1; //!< st_retired1
};
+ /// Old Tru64 v4.x stat struct.
+ /// Tru64 maintains backwards compatibility with v4.x by
+ /// implementing another set of stat functions using the old
+ /// structure definition and binding them to the old syscall
+ /// numbers.
+ struct pre_F64_stat {
+ dev_t st_dev;
+ ino_t st_ino;
+ mode_t st_mode;
+ nlink_t st_nlink;
+ uid_t st_uid;
+ gid_t st_gid;
+ dev_t st_rdev;
+ off_t st_size;
+ time_t st_atimeX;
+ int32_t st_uatime;
+ time_t st_mtimeX;
+ int32_t st_umtime;
+ time_t st_ctimeX;
+ int32_t st_uctime;
+ uint32_t st_blksize;
+ int32_t st_blocks;
+ uint32_t st_flags;
+ uint32_t st_gen;
+ };
+
+ /// For statfs().
+ struct F64_statfs {
+ int16_t f_type;
+ int16_t f_flags;
+ int32_t f_retired1;
+ int32_t f_retired2;
+ int32_t f_retired3;
+ int32_t f_retired4;
+ int32_t f_retired5;
+ int32_t f_retired6;
+ int32_t f_retired7;
+ fsid_t f_fsid;
+ int32_t f_spare[9];
+ char f_retired8[90];
+ char f_retired9[90];
+ uint64_t dummy[10]; // was union mount_info mount_info;
+ uint64_t f_flags2;
+ int64_t f_spare2[14];
+ int64_t f_fsize;
+ int64_t f_bsize;
+ int64_t f_blocks;
+ int64_t f_bfree;
+ int64_t f_bavail;
+ int64_t f_files;
+ int64_t f_ffree;
+ char f_mntonname[1024];
+ char f_mntfromname[1024];
+ };
+
+ /// For old Tru64 v4.x statfs()
+ struct pre_F64_statfs {
+ int16_t f_type;
+ int16_t f_flags;
+ int32_t f_fsize;
+ int32_t f_bsize;
+ int32_t f_blocks;
+ int32_t f_bfree;
+ int32_t f_bavail;
+ int32_t f_files;
+ int32_t f_ffree;
+ fsid_t f_fsid;
+ int32_t f_spare[9];
+ char f_mntonname[90];
+ char f_mntfromname[90];
+ uint64_t dummy[10]; // was union mount_info mount_info;
+ };
+
/// For getdirentries().
struct dirent
{
static const unsigned TIOCGETC = 0x40067412;
static const unsigned FIONREAD = 0x4004667f;
static const unsigned TIOCISATTY = 0x2000745e;
+ // TIOCGETS not defined in tru64, so I made up a number
+ static const unsigned TIOCGETS = 0x40000000;
+ static const unsigned TIOCGETA = 0x402c7413;
//@}
/// Resource enumeration for getrlimit().
enum rlimit_resources {
- RLIMIT_CPU = 0,
- RLIMIT_FSIZE = 1,
- RLIMIT_DATA = 2,
- RLIMIT_STACK = 3,
- RLIMIT_CORE = 4,
- RLIMIT_RSS = 5,
- RLIMIT_NOFILE = 6,
- RLIMIT_AS = 7,
- RLIMIT_VMEM = 7
+ TGT_RLIMIT_CPU = 0,
+ TGT_RLIMIT_FSIZE = 1,
+ TGT_RLIMIT_DATA = 2,
+ TGT_RLIMIT_STACK = 3,
+ TGT_RLIMIT_CORE = 4,
+ TGT_RLIMIT_RSS = 5,
+ TGT_RLIMIT_NOFILE = 6,
+ TGT_RLIMIT_AS = 7,
+ TGT_RLIMIT_VMEM = 7
};
/// Limit struct for getrlimit/setrlimit.
uint32_t unused[3]; //!< future expansion
};
+ //@{
+ /// For setsysinfo().
+ static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control()
+ //@}
+
/// For gettimeofday.
struct timeval {
uint32_t tv_sec; //!< seconds
//@{
/// For getrusage().
- static const int RUSAGE_THREAD = 1;
- static const int RUSAGE_SELF = 0;
- static const int RUSAGE_CHILDREN = -1;
+ static const int TGT_RUSAGE_THREAD = 1;
+ static const int TGT_RUSAGE_SELF = 0;
+ static const int TGT_RUSAGE_CHILDREN = -1;
//@}
/// For getrusage().
/// Helper function to convert a host stat buffer to a target stat
/// buffer. Also copies the target buffer out to the simulated
- /// memorty space. Used by stat(), fstat(), and lstat().
+ /// memory space. Used by stat(), fstat(), and lstat().
+ template <class T>
+ static void
+ copyOutStatBuf(FunctionalMemory *mem, Addr addr, global_stat *host)
+ {
+ TypedBufferArg<T> tgt(addr);
+
+ 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);
+ }
+
+ /// Helper function to convert a host statfs buffer to a target statfs
+ /// buffer. Also copies the target buffer out to the simulated
+ /// memory space. Used by statfs() and fstatfs().
+ template <class T>
+ static void
+ copyOutStatfsBuf(FunctionalMemory *mem, Addr addr, global_statfs *host)
+ {
+ TypedBufferArg<T> tgt(addr);
+
+#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__FreeBSD__)
+ tgt->f_type = 0;
+#else
+ tgt->f_type = htog(host->f_type);
+#endif
+ 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);
+ }
+
+ class F64 {
+ public:
+ static void copyOutStatBuf(FunctionalMemory *mem, Addr addr,
+ global_stat *host)
+ {
+ Tru64::copyOutStatBuf<Tru64::F64_stat>(mem, addr, host);
+ }
+
+ static void copyOutStatfsBuf(FunctionalMemory *mem, Addr addr,
+ global_statfs *host)
+ {
+ Tru64::copyOutStatfsBuf<Tru64::F64_statfs>(mem, addr, host);
+ }
+ };
+
+ class PreF64 {
+ public:
+ static void copyOutStatBuf(FunctionalMemory *mem, Addr addr,
+ global_stat *host)
+ {
+ Tru64::copyOutStatBuf<Tru64::pre_F64_stat>(mem, addr, host);
+ }
+
+ static void copyOutStatfsBuf(FunctionalMemory *mem, Addr addr,
+ global_statfs *host)
+ {
+ Tru64::copyOutStatfsBuf<Tru64::pre_F64_statfs>(mem, addr, host);
+ }
+ };
+
+ /// Helper function to convert a host stat buffer to an old pre-F64
+ /// (4.x) target stat buffer. Also copies the target buffer out to
+ /// the simulated memory space. Used by pre_F64_stat(),
+ /// pre_F64_fstat(), and pre_F64_lstat().
static void
- copyOutStatBuf(FunctionalMemory *mem, Addr addr, struct stat *host)
+ copyOutPreF64StatBuf(FunctionalMemory *mem, Addr addr, struct stat *host)
{
- TypedBufferArg<Tru64::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;
+ TypedBufferArg<Tru64::pre_F64_stat> tgt(addr);
+
+ 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);
}
static const char *hostname;
/// Target uname() handler.
- static int
+ static SyscallReturn
unameFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
/// Target getsysyinfo() handler.
- static int
+ static SyscallReturn
getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
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;
}
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;
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;
}
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;
}
default:
- cerr << "getsysinfo: unknown op " << op << endl;
- abort();
+ warn("getsysinfo: unknown op %d\n", op);
+ break;
+ }
+
+ return 0;
+ }
+
+ /// Target setsysyinfo() handler.
+ static SyscallReturn
+ setsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
+ ExecContext *xc)
+ {
+ unsigned op = xc->getSyscallArg(0);
+
+ switch (op) {
+ case SSI_IEEE_FP_CONTROL:
+ warn("setsysinfo: ignoring ieee_set_fp_control() arg 0x%x\n",
+ xc->getSyscallArg(1));
+ break;
+
+ default:
+ warn("setsysinfo: unknown op %d\n", op);
break;
}
}
/// Target fnctl() handler.
- static int
+ static SyscallReturn
fcntlFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
/// Target getdirentries() handler.
- static int
+ static SyscallReturn
getdirentriesFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
+#ifdef __CYGWIN__
+ panic("getdirent not implemented on cygwin!");
+#else
int fd = process->sim_fd(xc->getSyscallArg(0));
Addr tgt_buf = xc->getSyscallArg(1);
int tgt_nbytes = xc->getSyscallArg(2);
// just pass basep through uninterpreted.
TypedBufferArg<int64_t> basep(tgt_basep);
basep.copyIn(xc->mem);
- ::off_t 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
char *host_buf_ptr = host_buf;
char *host_buf_end = host_buf + host_result;
while (host_buf_ptr < host_buf_end) {
- struct dirent *host_dp = (struct dirent *)host_buf_ptr;
+ global_dirent *host_dp = (global_dirent *)host_buf_ptr;
int namelen = strlen(host_dp->d_name);
// Actual size includes padded string rounded up for alignment.
// Subtract 256 for dummy char array in Tru64::dirent definition.
// Add 1 to namelen for terminating null char.
- int tgt_bufsize = sizeof(Tru64::dirent) - 256 + RoundUp(namelen+1, 8);
+ int tgt_bufsize = sizeof(Tru64::dirent) - 256 + roundUp(namelen+1, 8);
TypedBufferArg<Tru64::dirent> tgt_dp(tgt_buf_ptr, tgt_bufsize);
tgt_dp->d_ino = host_dp->d_ino;
tgt_dp->d_reclen = tgt_bufsize;
delete [] host_buf;
- *basep = host_basep;
+ *basep = htog((int64_t)host_basep);
basep.copyOut(xc->mem);
- return (tgt_buf_ptr - tgt_buf);
+ return tgt_buf_ptr - tgt_buf;
+#endif
}
/// Target sigreturn() handler.
- static int
+ static SyscallReturn
sigreturnFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
// 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;
}
/// Target table() handler.
- static int
+ static SyscallReturn
tableFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
TypedBufferArg<Tru64::tbl_sysinfo> elp(xc->getSyscallArg(2));
const int clk_hz = one_million;
- elp->si_user = curTick / (ticksPerSecond / 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;
}
//
/// Create a stack region for a thread.
- static int
+ static SyscallReturn
stack_createFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
// 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);
}
/// This call sets up the interface between the user and kernel
/// schedulers by creating a shared-memory region. The shared memory
/// region has several structs, some global, some per-RAD, some per-VP.
- static int
+ static SyscallReturn
nxm_task_initFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
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();
// 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);
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;
}
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);
}
}
//
// 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
+ process->nxm_start = base_addr;
+ process->nxm_end = cur_addr;
+
return 0;
}
{
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->setStatus(ExecContext::Active);
+ ec->activate();
}
/// Create thread.
- static int
+ static SyscallReturn
nxm_thread_createFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
// 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;
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)
- return Tru64::KERN_NOT_RECEIVER;
+ 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);
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);
// 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;
}
/// Thread idle call (like yield()).
- static int
+ static SyscallReturn
nxm_idleFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
}
/// Block thread.
- static int
+ static SyscallReturn
nxm_thread_blockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
}
/// block.
- static int
+ static SyscallReturn
nxm_blockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
}
/// Unblock thread.
- static int
+ static SyscallReturn
nxm_unblockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
}
/// Switch thread priority.
- static int
+ static SyscallReturn
swtch_priFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
//
// Since we assume at most one "kernel" thread per CPU, it's
// always safe to return false here.
- return false;
+ return 0; //false;
}
// found waiting process: make it active
ExecContext *newCtx = i->waitingContext;
assert(newCtx->status() == ExecContext::Suspended);
- newCtx->setStatus(ExecContext::Active);
+ newCtx->activate();
// get rid of this record
i = process->waitList.erase(i);
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
process->waitList.push_back(Process::WaitRec(uaddr, xc));
- xc->setStatus(ExecContext::Suspended);
+ xc->suspend();
}
}
}
/// Lock acquire syscall handler.
- static int
+ static SyscallReturn
m5_mutex_lockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
}
/// Try lock (non-blocking).
- static int
+ static SyscallReturn
m5_mutex_trylockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
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 {
}
/// Unlock syscall handler.
- static int
+ static SyscallReturn
m5_mutex_unlockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
}
/// Signal ocndition.
- static int
+ static SyscallReturn
m5_cond_signalFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
}
/// Wake up all processes waiting on the condition variable.
- static int
+ static SyscallReturn
m5_cond_broadcastFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
}
/// Wait on a condition.
- static int
+ static SyscallReturn
m5_cond_waitFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
// 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);
process->waitList.push_back(Process::WaitRec(cond_addr, xc));
- xc->setStatus(ExecContext::Suspended);
+ xc->suspend();
return 0;
}
/// Thread exit.
- static int
+ static SyscallReturn
m5_thread_exitFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
assert(xc->status() == ExecContext::Active);
- xc->setStatus(ExecContext::Unallocated);
+ xc->deallocate();
return 0;
}
doSyscall(int callnum, Process *process, ExecContext *xc)
{
if (callnum < Min_Syscall_Desc || callnum > Max_Syscall_Desc) {
- cerr << "Syscall " << callnum << " out of range" << endl;
- abort();
+ fatal("Syscall %d out of range\n", callnum);
}
SyscallDesc *desc =
}
/// Indirect syscall invocation (call #0).
- static int
+ static SyscallReturn
indirectSyscallFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
/* 7 */ SyscallDesc("wait4", unimplementedFunc),
/* 8 */ SyscallDesc("old_creat", unimplementedFunc),
/* 9 */ SyscallDesc("link", unimplementedFunc),
- /* 10 */ SyscallDesc("unlink", unimplementedFunc),
+ /* 10 */ SyscallDesc("unlink", unlinkFunc),
/* 11 */ SyscallDesc("execv", unimplementedFunc),
/* 12 */ SyscallDesc("chdir", unimplementedFunc),
/* 13 */ SyscallDesc("fchdir", unimplementedFunc),
/* 64 */ SyscallDesc("getpagesize", getpagesizeFunc),
/* 65 */ SyscallDesc("mremap", unimplementedFunc),
/* 66 */ SyscallDesc("vfork", unimplementedFunc),
- /* 67 */ SyscallDesc("pre_F64_stat", unimplementedFunc),
- /* 68 */ SyscallDesc("pre_F64_lstat", unimplementedFunc),
+ /* 67 */ SyscallDesc("pre_F64_stat", statFunc<Tru64::PreF64>),
+ /* 68 */ SyscallDesc("pre_F64_lstat", lstatFunc<Tru64::PreF64>),
/* 69 */ SyscallDesc("sbrk", unimplementedFunc),
/* 70 */ SyscallDesc("sstk", unimplementedFunc),
/* 71 */ SyscallDesc("mmap", mmapFunc<Tru64>),
/* 88 */ SyscallDesc("sethostname", unimplementedFunc),
/* 89 */ SyscallDesc("getdtablesize", unimplementedFunc),
/* 90 */ SyscallDesc("dup2", unimplementedFunc),
- /* 91 */ SyscallDesc("pre_F64_fstat", unimplementedFunc),
+ /* 91 */ SyscallDesc("pre_F64_fstat", fstatFunc<Tru64::PreF64>),
/* 92 */ SyscallDesc("fcntl", fcntlFunc),
/* 93 */ SyscallDesc("select", unimplementedFunc),
/* 94 */ SyscallDesc("poll", unimplementedFunc),
/* 125 */ SyscallDesc("old_recvfrom", unimplementedFunc),
/* 126 */ SyscallDesc("setreuid", unimplementedFunc),
/* 127 */ SyscallDesc("setregid", unimplementedFunc),
- /* 128 */ SyscallDesc("rename", unimplementedFunc),
- /* 129 */ SyscallDesc("truncate", unimplementedFunc),
- /* 130 */ SyscallDesc("ftruncate", unimplementedFunc),
+ /* 128 */ SyscallDesc("rename", renameFunc),
+ /* 129 */ SyscallDesc("truncate", truncateFunc),
+ /* 130 */ SyscallDesc("ftruncate", ftruncateFunc),
/* 131 */ SyscallDesc("flock", unimplementedFunc),
/* 132 */ SyscallDesc("setgid", unimplementedFunc),
/* 133 */ SyscallDesc("sendto", unimplementedFunc),
/* 142 */ SyscallDesc("gethostid", unimplementedFunc),
/* 143 */ SyscallDesc("sethostid", unimplementedFunc),
/* 144 */ SyscallDesc("getrlimit", getrlimitFunc<Tru64>),
- /* 145 */ SyscallDesc("setrlimit", unimplementedFunc),
+ /* 145 */ SyscallDesc("setrlimit", ignoreFunc),
/* 146 */ SyscallDesc("old_killpg", unimplementedFunc),
/* 147 */ SyscallDesc("setsid", unimplementedFunc),
/* 148 */ SyscallDesc("quotactl", unimplementedFunc),
/* 157 */ SyscallDesc("sigwaitprim", unimplementedFunc),
/* 158 */ SyscallDesc("nfssvc", unimplementedFunc),
/* 159 */ SyscallDesc("getdirentries", getdirentriesFunc),
- /* 160 */ SyscallDesc("pre_F64_statfs", unimplementedFunc),
- /* 161 */ SyscallDesc("pre_F64_fstatfs", unimplementedFunc),
+ /* 160 */ SyscallDesc("pre_F64_statfs", statfsFunc<Tru64::PreF64>),
+ /* 161 */ SyscallDesc("pre_F64_fstatfs", fstatfsFunc<Tru64::PreF64>),
/* 162 */ SyscallDesc("unknown #162", unimplementedFunc),
/* 163 */ SyscallDesc("async_daemon", unimplementedFunc),
/* 164 */ SyscallDesc("getfh", unimplementedFunc),
/* 221 */ SyscallDesc("unknown #221", unimplementedFunc),
/* 222 */ SyscallDesc("security", unimplementedFunc),
/* 223 */ SyscallDesc("kloadcall", unimplementedFunc),
- /* 224 */ SyscallDesc("stat", statFunc<Tru64>),
- /* 225 */ SyscallDesc("lstat", lstatFunc<Tru64>),
- /* 226 */ SyscallDesc("fstat", fstatFunc<Tru64>),
- /* 227 */ SyscallDesc("statfs", unimplementedFunc),
- /* 228 */ SyscallDesc("fstatfs", unimplementedFunc),
+ /* 224 */ SyscallDesc("stat", statFunc<Tru64::F64>),
+ /* 225 */ SyscallDesc("lstat", lstatFunc<Tru64::F64>),
+ /* 226 */ SyscallDesc("fstat", fstatFunc<Tru64::F64>),
+ /* 227 */ SyscallDesc("statfs", statfsFunc<Tru64::F64>),
+ /* 228 */ SyscallDesc("fstatfs", fstatfsFunc<Tru64::F64>),
/* 229 */ SyscallDesc("getfsstat", unimplementedFunc),
/* 230 */ SyscallDesc("gettimeofday64", unimplementedFunc),
/* 231 */ SyscallDesc("settimeofday64", unimplementedFunc),
/* 254 */ SyscallDesc("sysfs", unimplementedFunc),
/* 255 */ SyscallDesc("subsys_info", unimplementedFunc),
/* 256 */ SyscallDesc("getsysinfo", getsysinfoFunc),
- /* 257 */ SyscallDesc("setsysinfo", unimplementedFunc),
+ /* 257 */ SyscallDesc("setsysinfo", setsysinfoFunc),
/* 258 */ SyscallDesc("afs_syscall", unimplementedFunc),
/* 259 */ SyscallDesc("swapctl", unimplementedFunc),
/* 260 */ SyscallDesc("memcntl", unimplementedFunc),
projects / gem5.git / blobdiff