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author | Timothy M. Jones <tjones1@inf.ed.ac.uk> | 2009-10-27 09:24:39 -0700 |
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committer | Timothy M. Jones <tjones1@inf.ed.ac.uk> | 2009-10-27 09:24:39 -0700 |
commit | 835a55e7f347697815fc43851b2dd5a8642d21c4 (patch) | |
tree | 637768b1de6de2bc4520fad97f90194ad6d3f8d6 /src/arch/power/linux/linux.hh | |
parent | 0fdfc82bde5b8975ee93d5da9c604ad9b99942e0 (diff) | |
download | gem5-835a55e7f347697815fc43851b2dd5a8642d21c4.tar.xz |
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.
Diffstat (limited to 'src/arch/power/linux/linux.hh')
-rw-r--r-- | src/arch/power/linux/linux.hh | 148 |
1 files changed, 148 insertions, 0 deletions
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__ |