POWER: Add support for the Power ISA

This adds support for the 32-bit, big endian Power ISA. This supports both
integer and floating point instructions based on the Power ISA Book I v2.06.

4 files changed, 740 insertions, 0 deletions

diff --git a/src/arch/power/linux/linux.cc b/src/arch/power/linux/linux.cc
new file mode 100644
index 000000000..113f3e48e
--- /dev/null
+++ b/src/arch/power/linux/linux.cc
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * Copyright (c) 2009 The University of Edinburgh
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Timothy M. Jones
+ */
+
+#include "arch/power/linux/linux.hh"
+
+#include <fcntl.h>
+
+// open(2) flags translation table
+OpenFlagTransTable PowerLinux::openFlagTable[] = {
+#ifdef _MSC_VER
+  { PowerLinux::TGT_O_RDONLY,    _O_RDONLY },
+  { PowerLinux::TGT_O_WRONLY,    _O_WRONLY },
+  { PowerLinux::TGT_O_RDWR,      _O_RDWR },
+  { PowerLinux::TGT_O_APPEND,    _O_APPEND },
+  { PowerLinux::TGT_O_CREAT,     _O_CREAT },
+  { PowerLinux::TGT_O_TRUNC,     _O_TRUNC },
+  { PowerLinux::TGT_O_EXCL,      _O_EXCL },
+#ifdef _O_NONBLOCK
+  { PowerLinux::TGT_O_NONBLOCK,  _O_NONBLOCK },
+#endif
+#ifdef _O_NOCTTY
+  { PowerLinux::TGT_O_NOCTTY,    _O_NOCTTY },
+#endif
+#ifdef _O_SYNC
+  { PowerLinux::TGT_O_SYNC,      _O_SYNC },
+#endif
+#ifdef _O_LARGEFILE
+  { PowerLinux::TGT_O_LARGEFILE, _O_LARGEFILE },
+#endif
+#else /* !_MSC_VER */
+  { PowerLinux::TGT_O_RDONLY,    O_RDONLY },
+  { PowerLinux::TGT_O_WRONLY,    O_WRONLY },
+  { PowerLinux::TGT_O_RDWR,      O_RDWR },
+  { PowerLinux::TGT_O_APPEND,    O_APPEND },
+  { PowerLinux::TGT_O_CREAT,     O_CREAT },
+  { PowerLinux::TGT_O_TRUNC,     O_TRUNC },
+  { PowerLinux::TGT_O_EXCL,      O_EXCL },
+  { PowerLinux::TGT_O_NONBLOCK,  O_NONBLOCK },
+  { PowerLinux::TGT_O_NOCTTY,    O_NOCTTY },
+#ifdef O_SYNC
+  { PowerLinux::TGT_O_SYNC,      O_SYNC },
+#endif
+#ifdef O_LARGEFILE
+  { PowerLinux::TGT_O_LARGEFILE, O_LARGEFILE },
+#endif
+#endif /* _MSC_VER */
+};
+
+const int PowerLinux::NUM_OPEN_FLAGS =
+        (sizeof(PowerLinux::openFlagTable)/sizeof(PowerLinux::openFlagTable[0]));
+
diff --git a/src/arch/power/linux/linux.hh b/src/arch/power/linux/linux.hh
new file mode 100644
index 000000000..c681c8baf
--- /dev/null
+++ b/src/arch/power/linux/linux.hh
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * Copyright (c) 2009 The University of Edinburgh
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Timothy M. Jones
+ */
+
+#ifndef __ARCH_POWER_LINUX_LINUX_HH__
+#define __ARCH_POWER_LINUX_LINUX_HH__
+
+#include "kern/linux/linux.hh"
+
+/*
+ * This works for a 2.6.15 kernel.
+ */
+
+class PowerLinux : public Linux
+{
+  public:
+
+    typedef int32_t time_t;
+
+    typedef struct {
+        uint64_t st_dev;
+        uint32_t __pad1;
+        uint32_t st_ino;
+        uint32_t st_mode;
+        uint32_t st_nlink;
+        uint32_t st_uid;
+        uint32_t st_gid;
+        uint64_t st_rdev;
+        uint32_t __pad2;
+        uint32_t st_size;
+        uint32_t st_blksize;
+        uint32_t st_blocks;
+        uint32_t st_atimeX;
+        uint32_t st_atime_nsec;
+        uint32_t st_mtimeX;
+        uint32_t st_mtime_nsec;
+        uint32_t st_ctimeX;
+        uint32_t st_ctime_nsec;
+        uint32_t __unused4;
+        uint32_t __unused5;
+    } tgt_stat;
+
+    typedef struct {
+        uint64_t st_dev;
+        uint64_t st_ino;
+        uint32_t st_mode;
+        uint32_t st_nlink;
+        uint32_t st_uid;
+        uint32_t st_gid;
+        uint64_t st_rdev;
+        uint64_t __pad2;
+        uint64_t st_size;
+        uint32_t st_blksize;
+        uint32_t __blksize_pad;
+        uint64_t st_blocks;
+        uint32_t st_atimeX;
+        uint32_t st_atime_nsec;
+        uint32_t st_mtimeX;
+        uint32_t st_mtime_nsec;
+        uint32_t st_ctimeX;
+        uint32_t st_ctime_nsec;
+        uint32_t __unused4;
+        uint32_t __unused5;
+    } tgt_stat64;
+
+    /// For times().
+    struct tms {
+        int32_t tms_utime;      //!< user time
+        int32_t tms_stime;      //!< system time
+        int32_t tms_cutime;     //!< user time of children
+        int32_t tms_cstime;     //!< system time of children
+    };
+
+    /// This table maps the target open() flags to the corresponding
+    /// host open() flags.
+    static OpenFlagTransTable openFlagTable[];
+
+    /// Number of entries in openFlagTable[].
+    static const int NUM_OPEN_FLAGS;
+
+    //@{
+    /// open(2) flag values.
+    static const int TGT_O_RDONLY    = 00000000; //!< O_RDONLY
+    static const int TGT_O_WRONLY    = 00000001; //!< O_WRONLY
+    static const int TGT_O_RDWR      = 00000002; //!< O_RDWR
+    static const int TGT_O_CREAT     = 00000100; //!< O_CREAT
+    static const int TGT_O_EXCL      = 00000200; //!< O_EXCL
+    static const int TGT_O_NOCTTY    = 00000400; //!< O_NOCTTY
+    static const int TGT_O_TRUNC     = 00001000; //!< O_TRUNC
+    static const int TGT_O_APPEND    = 00002000; //!< O_APPEND
+    static const int TGT_O_NONBLOCK  = 00004000; //!< O_NONBLOCK
+    static const int TGT_O_SYNC      = 00010000; //!< O_SYNC
+    static const int TGT_FASYNC      = 00020000; //!< FASYNC
+    static const int TGT_O_DIRECTORY = 00040000; //!< O_DIRECTORY
+    static const int TGT_O_NOFOLLOW  = 00100000; //!< O_NOFOLLOW
+    static const int TGT_O_LARGEFILE = 00200000; //!< O_LARGEFILE
+    static const int TGT_O_DIRECT    = 00400000; //!< O_DIRECT
+    static const int TGT_O_NOATIME   = 01000000; //!< O_NOATIME
+    //@}
+
+    /// For mmap().
+    static const unsigned TGT_MAP_ANONYMOUS = 0x800;
+
+    //@{
+    /// ioctl() command codes.
+    /// These are for the 2.6.15 kernel. Some have changed for
+    /// later versions.
+    static const unsigned TIOCGETP_   = 0x40067408;
+    static const unsigned TIOCSETP_   = 0x80067409;
+    static const unsigned TIOCSETN_   = 0x8006740a;
+    static const unsigned TIOCSETC_   = 0x80067411;
+    static const unsigned TIOCGETC_   = 0x40067412;
+    static const unsigned FIONREAD_   = 0x4004667f;
+    static const unsigned TIOCISATTY_ = 0x2000745e;
+    static const unsigned TIOCGETS_   = 0x402c7413;
+    static const unsigned TIOCGETA_   = 0x40147417;
+    static const unsigned TCSETAW_    = 0x80147419;
+    //@}
+};
+
+#endif // __ARCH_POWER_LINUX_LINUX_HH__
diff --git a/src/arch/power/linux/process.cc b/src/arch/power/linux/process.cc
new file mode 100644
index 000000000..b03ccfc8c
--- /dev/null
+++ b/src/arch/power/linux/process.cc
@@ -0,0 +1,455 @@
+/*
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * Copyright (c) 2007-2008 The Florida State University
+ * Copyright (c) 2009 The University of Edinburgh
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Korey Sewell
+ *          Stephen Hines
+ *          Timothy M. Jones
+ */
+
+#include "arch/power/linux/linux.hh"
+#include "arch/power/linux/process.hh"
+#include "arch/power/isa_traits.hh"
+
+#include "base/trace.hh"
+#include "cpu/thread_context.hh"
+#include "kern/linux/linux.hh"
+
+#include "sim/process.hh"
+#include "sim/syscall_emul.hh"
+#include "sim/system.hh"
+
+using namespace std;
+using namespace PowerISA;
+
+/// Target uname() handler.
+static SyscallReturn
+unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
+          ThreadContext *tc)
+{
+    TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, 0));
+
+    strcpy(name->sysname, "Linux");
+    strcpy(name->nodename, "m5.eecs.umich.edu");
+    strcpy(name->release, "2.6.16.19");
+    strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
+    strcpy(name->machine, "power");
+
+    name.copyOut(tc->getMemPort());
+    return 0;
+}
+
+SyscallDesc PowerLinuxProcess::syscallDescs[] = {
+    /*  0 */ SyscallDesc("syscall", unimplementedFunc),
+    /*  1 */ SyscallDesc("exit", exitFunc),
+    /*  2 */ SyscallDesc("fork", unimplementedFunc),
+    /*  3 */ SyscallDesc("read", readFunc),
+    /*  4 */ SyscallDesc("write", writeFunc),
+    /*  5 */ SyscallDesc("open", openFunc<PowerLinux>),
+    /*  6 */ SyscallDesc("close", closeFunc),
+    /*  7 */ SyscallDesc("waitpid", unimplementedFunc), //???
+    /*  8 */ SyscallDesc("creat", unimplementedFunc),
+    /*  9 */ SyscallDesc("link", unimplementedFunc),
+    /* 10 */ SyscallDesc("unlink", unlinkFunc),
+    /* 11 */ SyscallDesc("execve", unimplementedFunc),
+    /* 12 */ SyscallDesc("chdir", unimplementedFunc),
+    /* 13 */ SyscallDesc("time", timeFunc<PowerLinux>),
+    /* 14 */ SyscallDesc("mknod", unimplementedFunc),
+    /* 15 */ SyscallDesc("chmod", chmodFunc<PowerLinux>),
+    /* 16 */ SyscallDesc("lchown", chownFunc),
+    /* 17 */ SyscallDesc("break", brkFunc), //???
+    /* 18 */ SyscallDesc("unused#18", unimplementedFunc), //???
+    /* 19 */ SyscallDesc("lseek", lseekFunc),
+    /* 20 */ SyscallDesc("getpid", getpidFunc),
+    /* 21 */ SyscallDesc("mount", unimplementedFunc),
+    /* 22 */ SyscallDesc("umount", unimplementedFunc),
+    /* 23 */ SyscallDesc("setuid", setuidFunc),
+    /* 24 */ SyscallDesc("getuid", getuidFunc),
+    /* 25 */ SyscallDesc("stime", unimplementedFunc),
+    /* 26 */ SyscallDesc("ptrace", unimplementedFunc),
+    /* 27 */ SyscallDesc("alarm", unimplementedFunc),
+    /* 28 */ SyscallDesc("unused#28", unimplementedFunc),
+    /* 29 */ SyscallDesc("pause", unimplementedFunc),
+    /* 30 */ SyscallDesc("utime", unimplementedFunc),
+    /* 31 */ SyscallDesc("stty", unimplementedFunc),
+    /* 32 */ SyscallDesc("gtty", unimplementedFunc),
+    /* 33 */ SyscallDesc("access", unimplementedFunc),
+    /* 34 */ SyscallDesc("nice", unimplementedFunc),
+    /* 35 */ SyscallDesc("ftime", unimplementedFunc),
+    /* 36 */ SyscallDesc("sync", unimplementedFunc),
+    /* 37 */ SyscallDesc("kill", ignoreFunc),
+    /* 38 */ SyscallDesc("rename", renameFunc),
+    /* 39 */ SyscallDesc("mkdir", unimplementedFunc),
+    /* 40 */ SyscallDesc("rmdir", unimplementedFunc),
+    /* 41 */ SyscallDesc("dup", dupFunc),
+    /* 42 */ SyscallDesc("pipe", unimplementedFunc),
+    /* 43 */ SyscallDesc("times", timesFunc<PowerLinux>),
+    /* 44 */ SyscallDesc("prof", unimplementedFunc),
+    /* 45 */ SyscallDesc("brk", brkFunc),
+    /* 46 */ SyscallDesc("setgid", unimplementedFunc),
+    /* 47 */ SyscallDesc("getgid", getgidFunc),
+    /* 48 */ SyscallDesc("signal", ignoreFunc),
+    /* 49 */ SyscallDesc("geteuid", geteuidFunc),
+    /* 50 */ SyscallDesc("getegid", getegidFunc),
+    /* 51 */ SyscallDesc("acct", unimplementedFunc),
+    /* 52 */ SyscallDesc("umount2", unimplementedFunc),
+    /* 53 */ SyscallDesc("lock", unimplementedFunc),
+    /* 54 */ SyscallDesc("ioctl", ioctlFunc<PowerLinux>),
+    /* 55 */ SyscallDesc("fcntl", fcntlFunc),
+    /* 56 */ SyscallDesc("mpx", unimplementedFunc),
+    /* 57 */ SyscallDesc("setpgid", unimplementedFunc),
+    /* 58 */ SyscallDesc("ulimit", unimplementedFunc),
+    /* 59 */ SyscallDesc("unused#59", unimplementedFunc),
+    /* 60 */ SyscallDesc("umask", umaskFunc),
+    /* 61 */ SyscallDesc("chroot", unimplementedFunc),
+    /* 62 */ SyscallDesc("ustat", unimplementedFunc),
+    /* 63 */ SyscallDesc("dup2", unimplementedFunc),
+    /* 64 */ SyscallDesc("getppid", getpagesizeFunc),
+    /* 65 */ SyscallDesc("getpgrp", unimplementedFunc),
+    /* 66 */ SyscallDesc("setsid", unimplementedFunc),
+    /* 67 */ SyscallDesc("sigaction",unimplementedFunc),
+    /* 68 */ SyscallDesc("sgetmask", unimplementedFunc),
+    /* 69 */ SyscallDesc("ssetmask", unimplementedFunc),
+    /* 70 */ SyscallDesc("setreuid", unimplementedFunc),
+    /* 71 */ SyscallDesc("setregid", unimplementedFunc),
+    /* 72 */ SyscallDesc("sigsuspend", unimplementedFunc),
+    /* 73 */ SyscallDesc("sigpending", unimplementedFunc),
+    /* 74 */ SyscallDesc("sethostname", ignoreFunc),
+    /* 75 */ SyscallDesc("setrlimit", ignoreFunc),
+    /* 76 */ SyscallDesc("getrlimit", unimplementedFunc),
+    /* 77 */ SyscallDesc("getrusage", ignoreFunc),
+    /* 78 */ SyscallDesc("gettimeofday", unimplementedFunc),
+    /* 79 */ SyscallDesc("settimeofday", unimplementedFunc),
+    /* 80 */ SyscallDesc("getgroups", unimplementedFunc),
+    /* 81 */ SyscallDesc("setgroups", unimplementedFunc),
+    /* 82 */ SyscallDesc("reserved#82", unimplementedFunc),
+    /* 83 */ SyscallDesc("symlink", unimplementedFunc),
+    /* 84 */ SyscallDesc("unused#84", unimplementedFunc),
+    /* 85 */ SyscallDesc("readlink", unimplementedFunc),
+    /* 86 */ SyscallDesc("uselib", unimplementedFunc),
+    /* 87 */ SyscallDesc("swapon", gethostnameFunc),
+    /* 88 */ SyscallDesc("reboot", unimplementedFunc),
+    /* 89 */ SyscallDesc("readdir", unimplementedFunc),
+    /* 90 */ SyscallDesc("mmap", mmapFunc<PowerLinux>),
+    /* 91 */ SyscallDesc("munmap",munmapFunc),
+    /* 92 */ SyscallDesc("truncate", truncateFunc),
+    /* 93 */ SyscallDesc("ftruncate", ftruncateFunc),
+    /* 94 */ SyscallDesc("fchmod", unimplementedFunc),
+    /* 95 */ SyscallDesc("fchown", unimplementedFunc),
+    /* 96 */ SyscallDesc("getpriority", unimplementedFunc),
+    /* 97 */ SyscallDesc("setpriority", unimplementedFunc),
+    /* 98 */ SyscallDesc("profil", unimplementedFunc),
+    /* 99 */ SyscallDesc("statfs", unimplementedFunc),
+    /* 100 */ SyscallDesc("fstatfs", unimplementedFunc),
+    /* 101 */ SyscallDesc("ioperm", unimplementedFunc),
+    /* 102 */ SyscallDesc("socketcall", unimplementedFunc),
+    /* 103 */ SyscallDesc("syslog", unimplementedFunc),
+    /* 104 */ SyscallDesc("setitimer", unimplementedFunc),
+    /* 105 */ SyscallDesc("getitimer", unimplementedFunc),
+    /* 106 */ SyscallDesc("stat",  statFunc<PowerLinux>),
+    /* 107 */ SyscallDesc("lstat", unimplementedFunc),
+    /* 108 */ SyscallDesc("fstat", fstatFunc<PowerLinux>),
+    /* 109 */ SyscallDesc("unused#109", unimplementedFunc),
+    /* 110 */ SyscallDesc("iopl", unimplementedFunc),
+    /* 111 */ SyscallDesc("vhangup", unimplementedFunc),
+    /* 112 */ SyscallDesc("idle", ignoreFunc),
+    /* 113 */ SyscallDesc("vm86", unimplementedFunc),
+    /* 114 */ SyscallDesc("wait4", unimplementedFunc),
+    /* 115 */ SyscallDesc("swapoff", unimplementedFunc),
+    /* 116 */ SyscallDesc("sysinfo", unimplementedFunc),
+    /* 117 */ SyscallDesc("ipc", unimplementedFunc),
+    /* 118 */ SyscallDesc("fsync", unimplementedFunc),
+    /* 119 */ SyscallDesc("sigreturn", unimplementedFunc),
+    /* 120 */ SyscallDesc("clone", unimplementedFunc),
+    /* 121 */ SyscallDesc("setdomainname", unimplementedFunc),
+    /* 122 */ SyscallDesc("uname", unameFunc),
+    /* 123 */ SyscallDesc("modify_ldt", unimplementedFunc),
+    /* 124 */ SyscallDesc("adjtimex", unimplementedFunc),
+    /* 125 */ SyscallDesc("mprotect", ignoreFunc),
+    /* 126 */ SyscallDesc("sigprocmask", unimplementedFunc),
+    /* 127 */ SyscallDesc("create_module", unimplementedFunc),
+    /* 128 */ SyscallDesc("init_module", unimplementedFunc),
+    /* 129 */ SyscallDesc("delete_module", unimplementedFunc),
+    /* 130 */ SyscallDesc("get_kernel_syms", unimplementedFunc),
+    /* 131 */ SyscallDesc("quotactl", unimplementedFunc),
+    /* 132 */ SyscallDesc("getpgid", unimplementedFunc),
+    /* 133 */ SyscallDesc("fchdir", unimplementedFunc),
+    /* 134 */ SyscallDesc("bdflush", unimplementedFunc),
+    /* 135 */ SyscallDesc("sysfs", unimplementedFunc),
+    /* 136 */ SyscallDesc("personality", unimplementedFunc),
+    /* 137 */ SyscallDesc("afs_syscall", unimplementedFunc),
+    /* 138 */ SyscallDesc("setfsuid", unimplementedFunc),
+    /* 139 */ SyscallDesc("setfsgid", unimplementedFunc),
+    /* 140 */ SyscallDesc("llseek", _llseekFunc),
+    /* 141 */ SyscallDesc("getdents", unimplementedFunc),
+    /* 142 */ SyscallDesc("newselect", unimplementedFunc),
+    /* 143 */ SyscallDesc("flock", unimplementedFunc),
+    /* 144 */ SyscallDesc("msync", unimplementedFunc),
+    /* 145 */ SyscallDesc("readv", unimplementedFunc),
+    /* 146 */ SyscallDesc("writev", writevFunc<PowerLinux>),
+    /* 147 */ SyscallDesc("getsid", unimplementedFunc),
+    /* 148 */ SyscallDesc("fdatasync", unimplementedFunc),
+    /* 149 */ SyscallDesc("sysctl", unimplementedFunc),
+    /* 150 */ SyscallDesc("mlock", unimplementedFunc),
+    /* 151 */ SyscallDesc("munlock", unimplementedFunc),
+    /* 152 */ SyscallDesc("mlockall", unimplementedFunc),
+    /* 153 */ SyscallDesc("munlockall", unimplementedFunc),
+    /* 154 */ SyscallDesc("sched_setparam", unimplementedFunc),
+    /* 155 */ SyscallDesc("sched_getparam", unimplementedFunc),
+    /* 156 */ SyscallDesc("sched_setscheduler", unimplementedFunc),
+    /* 157 */ SyscallDesc("sched_getscheduler", unimplementedFunc),
+    /* 158 */ SyscallDesc("sched_yield", unimplementedFunc),
+    /* 159 */ SyscallDesc("sched_get_priority_max", unimplementedFunc),
+    /* 160 */ SyscallDesc("sched_get_priority_min", unimplementedFunc),
+    /* 161 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc),
+    /* 162 */ SyscallDesc("nanosleep", unimplementedFunc),
+    /* 163 */ SyscallDesc("mremap", unimplementedFunc),
+    /* 164 */ SyscallDesc("setresuid", unimplementedFunc),
+    /* 165 */ SyscallDesc("getresuid", unimplementedFunc),
+    /* 166 */ SyscallDesc("vm862", unimplementedFunc),
+    /* 167 */ SyscallDesc("query_module", unimplementedFunc),
+    /* 168 */ SyscallDesc("poll", unimplementedFunc),
+    /* 169 */ SyscallDesc("nfsservctl", unimplementedFunc),
+    /* 170 */ SyscallDesc("setresgid", unimplementedFunc),
+    /* 171 */ SyscallDesc("getresgid", unimplementedFunc),
+    /* 172 */ SyscallDesc("prctl", unimplementedFunc),
+    /* 173 */ SyscallDesc("rt_sigaction", ignoreFunc),
+    /* 174 */ SyscallDesc("rt_sigprocmask", unimplementedFunc),
+    /* 175 */ SyscallDesc("unknown#175", unimplementedFunc),
+    /* 176 */ SyscallDesc("rt_sigpending", unimplementedFunc),
+    /* 177 */ SyscallDesc("rt_sigtimedwait", unimplementedFunc),
+    /* 178 */ SyscallDesc("rt_sigqueueinfo", ignoreFunc),
+    /* 179 */ SyscallDesc("rt_sigsuspend", unimplementedFunc),
+    /* 180 */ SyscallDesc("pread64", unimplementedFunc),
+    /* 181 */ SyscallDesc("pwrite64", unimplementedFunc),
+    /* 182 */ SyscallDesc("chown", unimplementedFunc),
+    /* 183 */ SyscallDesc("getcwd", unimplementedFunc),
+    /* 184 */ SyscallDesc("capget", unimplementedFunc),
+    /* 185 */ SyscallDesc("capset", unimplementedFunc),
+    /* 186 */ SyscallDesc("sigaltstack", unimplementedFunc),
+    /* 187 */ SyscallDesc("sendfile", unimplementedFunc),
+    /* 188 */ SyscallDesc("getpmsg", unimplementedFunc),
+    /* 189 */ SyscallDesc("putpmsg", unimplementedFunc),
+    /* 190 */ SyscallDesc("ugetrlimit", ignoreFunc),
+    /* 191 */ SyscallDesc("getrlimit", unimplementedFunc),
+    /* 192 */ SyscallDesc("mmap2", mmapFunc<PowerLinux>),
+    /* 193 */ SyscallDesc("truncate64", unimplementedFunc),
+    /* 194 */ SyscallDesc("ftruncate64", ftruncate64Func),
+    /* 195 */ SyscallDesc("stat64", stat64Func<PowerLinux>),
+    /* 196 */ SyscallDesc("lstat64", lstat64Func<PowerLinux>),
+    /* 197 */ SyscallDesc("fstat64", fstat64Func<PowerLinux>),
+    /* 198 */ SyscallDesc("lchown", unimplementedFunc),
+    /* 199 */ SyscallDesc("getuid", getuidFunc),
+    /* 200 */ SyscallDesc("getgid", getgidFunc),
+    /* 201 */ SyscallDesc("geteuid", geteuidFunc),
+    /* 202 */ SyscallDesc("getegid", getegidFunc),
+    /* 203 */ SyscallDesc("setreuid", unimplementedFunc),
+    /* 204 */ SyscallDesc("fcntl64", fcntl64Func),
+    /* 205 */ SyscallDesc("getgroups", unimplementedFunc),
+    /* 206 */ SyscallDesc("setgroups", unimplementedFunc),
+    /* 207 */ SyscallDesc("fchown", unimplementedFunc),
+    /* 208 */ SyscallDesc("setresuid", unimplementedFunc),
+    /* 209 */ SyscallDesc("getresuid", unimplementedFunc),
+    /* 210 */ SyscallDesc("setresgid", unimplementedFunc),
+    /* 211 */ SyscallDesc("getresgid", unimplementedFunc),
+    /* 212 */ SyscallDesc("chown", unimplementedFunc),
+    /* 213 */ SyscallDesc("setuid", unimplementedFunc),
+    /* 214 */ SyscallDesc("setgid", unimplementedFunc),
+    /* 215 */ SyscallDesc("setfsuid", unimplementedFunc),
+    /* 216 */ SyscallDesc("setfsgid", unimplementedFunc),
+    /* 217 */ SyscallDesc("getdents64", unimplementedFunc),
+    /* 218 */ SyscallDesc("pivot_root", unimplementedFunc),
+    /* 219 */ SyscallDesc("mincore", unimplementedFunc),
+    /* 220 */ SyscallDesc("madvise", unimplementedFunc),
+    /* 221 */ SyscallDesc("unknown#221", unimplementedFunc),
+    /* 222 */ SyscallDesc("tux", unimplementedFunc),
+    /* 223 */ SyscallDesc("unknown#223", unimplementedFunc),
+    /* 224 */ SyscallDesc("gettid", unimplementedFunc),
+    /* 225 */ SyscallDesc("readahead", unimplementedFunc),
+    /* 226 */ SyscallDesc("setxattr", unimplementedFunc),
+    /* 227 */ SyscallDesc("lsetxattr", unimplementedFunc),
+    /* 228 */ SyscallDesc("fsetxattr", unimplementedFunc),
+    /* 229 */ SyscallDesc("getxattr", unimplementedFunc),
+    /* 230 */ SyscallDesc("lgetxattr", unimplementedFunc),
+    /* 231 */ SyscallDesc("fgetxattr", unimplementedFunc),
+    /* 232 */ SyscallDesc("listxattr", unimplementedFunc),
+    /* 233 */ SyscallDesc("llistxattr", unimplementedFunc),
+    /* 234 */ SyscallDesc("exit_group", exitGroupFunc),
+    /* 235 */ SyscallDesc("removexattr", unimplementedFunc),
+    /* 236 */ SyscallDesc("lremovexattr", unimplementedFunc),
+    /* 237 */ SyscallDesc("fremovexattr", unimplementedFunc),
+    /* 238 */ SyscallDesc("tkill", unimplementedFunc),
+    /* 239 */ SyscallDesc("sendfile64", unimplementedFunc),
+    /* 240 */ SyscallDesc("futex", unimplementedFunc),
+    /* 241 */ SyscallDesc("sched_setaffinity", unimplementedFunc),
+    /* 242 */ SyscallDesc("sched_getaffinity", unimplementedFunc),
+    /* 243 */ SyscallDesc("io_setup", unimplementedFunc),
+    /* 244 */ SyscallDesc("io_destory", unimplementedFunc),
+    /* 245 */ SyscallDesc("io_getevents", unimplementedFunc),
+    /* 246 */ SyscallDesc("io_submit", unimplementedFunc),
+    /* 247 */ SyscallDesc("io_cancel", unimplementedFunc),
+    /* 248 */ SyscallDesc("unknown#248", unimplementedFunc),
+    /* 249 */ SyscallDesc("lookup_dcookie", unimplementedFunc),
+    /* 250 */ SyscallDesc("epoll_create", unimplementedFunc),
+    /* 251 */ SyscallDesc("epoll_ctl", unimplementedFunc),
+    /* 252 */ SyscallDesc("epoll_wait", unimplementedFunc),
+    /* 253 */ SyscallDesc("remap_file_pages", unimplementedFunc),
+    /* 254 */ SyscallDesc("set_thread_area", unimplementedFunc),
+    /* 255 */ SyscallDesc("get_thread_area", unimplementedFunc),
+    /* 256 */ SyscallDesc("set_tid_address", unimplementedFunc),
+    /* 257 */ SyscallDesc("timer_create", unimplementedFunc),
+    /* 258 */ SyscallDesc("timer_settime", unimplementedFunc),
+    /* 259 */ SyscallDesc("timer_gettime", unimplementedFunc),
+    /* 260 */ SyscallDesc("timer_getoverrun", unimplementedFunc),
+    /* 261 */ SyscallDesc("timer_delete", unimplementedFunc),
+    /* 262 */ SyscallDesc("clock_settime", unimplementedFunc),
+    /* 263 */ SyscallDesc("clock_gettime", unimplementedFunc),
+    /* 264 */ SyscallDesc("clock_getres", unimplementedFunc),
+    /* 265 */ SyscallDesc("clock_nanosleep", unimplementedFunc),
+    /* 266 */ SyscallDesc("statfs64", unimplementedFunc),
+    /* 267 */ SyscallDesc("fstatfs64", unimplementedFunc),
+    /* 268 */ SyscallDesc("tgkill", unimplementedFunc),
+    /* 269 */ SyscallDesc("utimes", unimplementedFunc),
+    /* 270 */ SyscallDesc("arm_fadvise64_64", unimplementedFunc),
+    /* 271 */ SyscallDesc("pciconfig_iobase", unimplementedFunc),
+    /* 272 */ SyscallDesc("pciconfig_read", unimplementedFunc),
+    /* 273 */ SyscallDesc("pciconfig_write", unimplementedFunc),
+    /* 274 */ SyscallDesc("mq_open", unimplementedFunc),
+    /* 275 */ SyscallDesc("mq_unlink", unimplementedFunc),
+    /* 276 */ SyscallDesc("mq_timedsend", unimplementedFunc),
+    /* 277 */ SyscallDesc("mq_timedreceive", unimplementedFunc),
+    /* 278 */ SyscallDesc("mq_notify", unimplementedFunc),
+    /* 279 */ SyscallDesc("mq_getsetattr", unimplementedFunc),
+    /* 280 */ SyscallDesc("waitid", unimplementedFunc),
+    /* 281 */ SyscallDesc("socket", unimplementedFunc),
+    /* 282 */ SyscallDesc("bind", unimplementedFunc),
+    /* 283 */ SyscallDesc("connect", unimplementedFunc),
+    /* 284 */ SyscallDesc("listen", unimplementedFunc),
+    /* 285 */ SyscallDesc("accept", unimplementedFunc),
+    /* 286 */ SyscallDesc("getsockname", unimplementedFunc),
+    /* 287 */ SyscallDesc("getpeername", unimplementedFunc),
+    /* 288 */ SyscallDesc("socketpair", unimplementedFunc),
+    /* 289 */ SyscallDesc("send", unimplementedFunc),
+    /* 290 */ SyscallDesc("sendto", unimplementedFunc),
+    /* 291 */ SyscallDesc("recv", unimplementedFunc),
+    /* 292 */ SyscallDesc("recvfrom", unimplementedFunc),
+    /* 293 */ SyscallDesc("shutdown", unimplementedFunc),
+    /* 294 */ SyscallDesc("setsockopt", unimplementedFunc),
+    /* 295 */ SyscallDesc("getsockopt", unimplementedFunc),
+    /* 296 */ SyscallDesc("sendmsg", unimplementedFunc),
+    /* 297 */ SyscallDesc("rcvmsg", unimplementedFunc),
+    /* 298 */ SyscallDesc("semop", unimplementedFunc),
+    /* 299 */ SyscallDesc("semget", unimplementedFunc),
+    /* 300 */ SyscallDesc("semctl", unimplementedFunc),
+    /* 301 */ SyscallDesc("msgsend", unimplementedFunc),
+    /* 302 */ SyscallDesc("msgrcv", unimplementedFunc),
+    /* 303 */ SyscallDesc("msgget", unimplementedFunc),
+    /* 304 */ SyscallDesc("msgctl", unimplementedFunc),
+    /* 305 */ SyscallDesc("shmat", unimplementedFunc),
+    /* 306 */ SyscallDesc("shmdt", unimplementedFunc),
+    /* 307 */ SyscallDesc("shmget", unimplementedFunc),
+    /* 308 */ SyscallDesc("shmctl", unimplementedFunc),
+    /* 309 */ SyscallDesc("add_key", unimplementedFunc),
+    /* 310 */ SyscallDesc("request_key", unimplementedFunc),
+    /* 311 */ SyscallDesc("keyctl", unimplementedFunc),
+    /* 312 */ SyscallDesc("semtimedop", unimplementedFunc),
+    /* 313 */ SyscallDesc("vserver", unimplementedFunc),
+    /* 314 */ SyscallDesc("ioprio_set", unimplementedFunc),
+    /* 315 */ SyscallDesc("ioprio_get", unimplementedFunc),
+    /* 316 */ SyscallDesc("inotify_init", unimplementedFunc),
+    /* 317 */ SyscallDesc("inotify_add_watch", unimplementedFunc),
+    /* 318 */ SyscallDesc("inotify_rm_watch", unimplementedFunc),
+    /* 319 */ SyscallDesc("mbind", unimplementedFunc),
+    /* 320 */ SyscallDesc("get_mempolicy", unimplementedFunc),
+    /* 321 */ SyscallDesc("set_mempolicy", unimplementedFunc),
+    /* 322 */ SyscallDesc("openat", unimplementedFunc),
+    /* 323 */ SyscallDesc("mkdirat", unimplementedFunc),
+    /* 324 */ SyscallDesc("mknodat", unimplementedFunc),
+    /* 325 */ SyscallDesc("fchownat", unimplementedFunc),
+    /* 326 */ SyscallDesc("futimesat", unimplementedFunc),
+    /* 327 */ SyscallDesc("fstatat64", unimplementedFunc),
+    /* 328 */ SyscallDesc("unlinkat", unimplementedFunc),
+    /* 329 */ SyscallDesc("renameat", unimplementedFunc),
+    /* 330 */ SyscallDesc("linkat", unimplementedFunc),
+    /* 331 */ SyscallDesc("symlinkat", unimplementedFunc),
+    /* 332 */ SyscallDesc("readlinkat", unimplementedFunc),
+    /* 333 */ SyscallDesc("fchmodat", unimplementedFunc),
+    /* 334 */ SyscallDesc("faccessat", unimplementedFunc),
+    /* 335 */ SyscallDesc("pselect6", unimplementedFunc),
+    /* 336 */ SyscallDesc("ppoll", unimplementedFunc),
+    /* 337 */ SyscallDesc("unshare", unimplementedFunc),
+    /* 338 */ SyscallDesc("set_robust_list", unimplementedFunc),
+    /* 339 */ SyscallDesc("get_robust_list", unimplementedFunc),
+    /* 340 */ SyscallDesc("splice", unimplementedFunc),
+    /* 341 */ SyscallDesc("arm_sync_file_range", unimplementedFunc),
+    /* 342 */ SyscallDesc("tee", unimplementedFunc),
+    /* 343 */ SyscallDesc("vmsplice", unimplementedFunc),
+    /* 344 */ SyscallDesc("move_pages", unimplementedFunc),
+    /* 345 */ SyscallDesc("getcpu", unimplementedFunc),
+    /* 346 */ SyscallDesc("epoll_pwait", unimplementedFunc),
+};
+
+PowerLinuxProcess::PowerLinuxProcess(LiveProcessParams * params,
+        ObjectFile *objFile)
+    : PowerLiveProcess(params, objFile),
+     Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
+{
+}
+
+SyscallDesc*
+PowerLinuxProcess::getDesc(int callnum)
+{
+    if (callnum < 0 || callnum > Num_Syscall_Descs)
+        return NULL;
+
+    return &syscallDescs[callnum];
+}
+
+void
+PowerLinuxProcess::startup()
+{
+    PowerLiveProcess::startup();
+}
+
+PowerISA::IntReg
+PowerLinuxProcess::getSyscallArg(ThreadContext *tc, int i)
+{
+    // Linux apparently allows more parameter than the ABI says it should.
+    // This limit may need to be increased even further.
+    assert(i < 6);
+    return tc->readIntReg(ArgumentReg0 + i);
+}
+
+void
+PowerLinuxProcess::setSyscallArg(ThreadContext *tc, int i, PowerISA::IntReg val)
+{
+    // Linux apparently allows more parameter than the ABI says it should.
+    // This limit may need to be increased even further.
+    assert(i < 6);
+    tc->setIntReg(ArgumentReg0 + i, val);
+}
diff --git a/src/arch/power/linux/process.hh b/src/arch/power/linux/process.hh
new file mode 100644
index 000000000..78b0eef7f
--- /dev/null
+++ b/src/arch/power/linux/process.hh
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2007-2008 The Florida State University
+ * Copyright (c) 2009 The University of Edinburgh
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Stephen Hines
+ *          Timothy M. Jones
+ */
+
+#ifndef __POWER_LINUX_PROCESS_HH__
+#define __POWER_LINUX_PROCESS_HH__
+
+#include "arch/power/process.hh"
+
+
+/// A process with emulated PPC/Linux syscalls.
+class PowerLinuxProcess : public PowerLiveProcess
+{
+  public:
+    PowerLinuxProcess(LiveProcessParams * params, ObjectFile *objFile);
+
+    virtual SyscallDesc* getDesc(int callnum);
+
+    void startup();
+
+    PowerISA::IntReg getSyscallArg(ThreadContext *tc, int i);
+    void setSyscallArg(ThreadContext *tc, int i, PowerISA::IntReg val);
+
+    /// Array of syscall descriptors, indexed by call number.
+    static SyscallDesc syscallDescs[];
+
+    const int Num_Syscall_Descs;
+};
+
+#endif // __POWER_LINUX_PROCESS_HH__