/*
- * Copyright (c) 2003 The Regents of The University of Michigan
+ * Copyright (c) 2003-2004 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.
*/
-#ifndef __SYSCALL_EMUL_HH__
-#define __SYSCALL_EMUL_HH__
+#ifndef __SIM_SYSCALL_EMUL_HH__
+#define __SIM_SYSCALL_EMUL_HH__
///
/// @file syscall_emul.hh
/// This file defines objects used to emulate syscalls from the target
/// application on the host machine.
+#include <errno.h>
#include <string>
#include "base/intmath.hh" // for RoundUp
-#include "targetarch/isa_traits.hh" // for Addr
#include "mem/functional_mem/functional_memory.hh"
+#include "targetarch/isa_traits.hh" // for Addr
-class Process;
-class ExecContext;
+#include "base/trace.hh"
+#include "cpu/exec_context.hh"
+#include "sim/process.hh"
///
/// System call descriptor.
/// Target gethostname() handler.
int gethostnameFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc);
+/// Target unlink() handler.
+int unlinkFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc);
+
+/// Target rename() handler.
+int renameFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc);
+
+/// This struct is used to build an target-OS-dependent table that
+/// maps the target's open() flags to the host open() flags.
+struct OpenFlagTransTable {
+ int tgtFlag; //!< Target system flag value.
+ int hostFlag; //!< Corresponding host system flag value.
+};
+
+
+
+/// A readable name for 1,000,000, for converting microseconds to seconds.
+const int one_million = 1000000;
+
+/// Approximate seconds since the epoch (1/1/1970). About a billion,
+/// by my reckoning. We want to keep this a constant (not use the
+/// real-world time) to keep simulations repeatable.
+const unsigned seconds_since_epoch = 1000000000;
+
+/// Helper function to convert current elapsed time to seconds and
+/// microseconds.
+template <class T1, class T2>
+void
+getElapsedTime(T1 &sec, T2 &usec)
+{
+ int cycles_per_usec = ticksPerSecond / one_million;
+
+ int elapsed_usecs = curTick / cycles_per_usec;
+ sec = elapsed_usecs / one_million;
+ usec = elapsed_usecs % one_million;
+}
+
//////////////////////////////////////////////////////////////////////
//
// The following emulation functions are generic, but need to be
case OS::TIOCSETN:
case OS::TIOCSETC:
case OS::TIOCGETC:
+ case OS::TIOCGETS:
+ case OS::TIOCGETA:
return -ENOTTY;
default:
- fatal("Unsupported ioctl call: ioctl(%d, 0x%x, ...)\n", fd, req);
+ fatal("Unsupported ioctl call: ioctl(%d, 0x%x, ...) @ 0x%llx\n", fd, req, xc->readPC());
}
}
-/// This struct is used to build an target-OS-dependent table that
-/// maps the target's open() flags to the host open() flags.
-struct OpenFlagTransTable {
- int tgtFlag; //!< Target system flag value.
- int hostFlag; //!< Corresponding host system flag value.
-};
-
-
/// Target open() handler.
template <class OS>
int
if (path == "/dev/sysdev0") {
// This is a memory-mapped high-resolution timer device on Alpha.
// We don't support it, so just punt.
- DCOUT(SyscallWarnings) << "Ignoring open(" << path << ", ...)" << endl;
+ DCOUT(SyscallWarnings) << "Ignoring open(" << path << ", ...)" << std::endl;
return -ENOENT;
}
// any target flags left?
if (tgtFlags != 0)
- cerr << "Syscall: open: cannot decode flags: " << tgtFlags << endl;
+ std::cerr << "Syscall: open: cannot decode flags: " << tgtFlags << std::endl;
#ifdef __CYGWIN32__
hostFlags |= O_BINARY;
if (start == 0) {
// user didn't give an address... pick one from our "mmap region"
- start = p->mmap_base;
- p->mmap_
base += RoundUp<Addr>(length, VMPageSize);
+ start = p->mmap_end;
+ p->mmap_
end += RoundUp<Addr>(length, VMPageSize);
}
if (!(flags & OS::TGT_MAP_ANONYMOUS)) {
break;
default:
- cerr << "getrlimitFunc: unimplemented resource " << resource << endl;
+ std::cerr << "getrlimitFunc: unimplemented resource " << resource << std::endl;
abort();
break;
}
return 0;
}
-/// A readable name for 1,000,000, for converting microseconds to seconds.
-const int one_million = 1000000;
-
-/// Approximate seconds since the epoch (1/1/1970). About a billion,
-/// by my reckoning. We want to keep this a constant (not use the
-/// real-world time) to keep simulations repeatable.
-const unsigned seconds_since_epoch = 1000000000;
-
-/// Helper function to convert current elapsed time to seconds and
-/// microseconds.
-template <class T1, class T2>
-void
-getElapsedTime(T1 &sec, T2 &usec)
-{
- int cycles_per_usec = ticksPerSecond / one_million;
-
- int elapsed_usecs = curTick / cycles_per_usec;
- sec = elapsed_usecs / one_million;
- usec = elapsed_usecs % one_million;
-}
-
-
/// Target gettimeofday() handler.
template <class OS>
int
// plow ahead
DCOUT(SyscallWarnings)
<< "Warning: getrusage() only supports RUSAGE_SELF."
- << " Parameter " << who << " ignored." << endl;
+ << " Parameter " << who << " ignored." << std::endl;
}
getElapsedTime(rup->ru_utime.tv_sec, rup->ru_utime.tv_usec);
return 0;
}
-
-
-#endif // __SYSCALL_EMUL_HH__
+#endif // __SIM_SYSCALL_EMUL_HH__
projects / gem5.git / blobdiff