arch, base, dev, kern, sym: FreeBSD support

This adds support for FreeBSD/aarch64 FS and SE mode (basic set of syscalls only)

Committed by: Nilay Vaish <nilay@cs.wisc.edu>

1 files changed, 356 insertions, 0 deletions

diff --git a/src/arch/arm/freebsd/freebsd.hh b/src/arch/arm/freebsd/freebsd.hh
new file mode 100644
index 000000000..b5654185b
--- /dev/null
+++ b/src/arch/arm/freebsd/freebsd.hh
@@ -0,0 +1,356 @@
+/*
+ * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
+ * All rights reserved.
+ *
+ * This software was developed by the University of Cambridge Computer
+ * Laboratory as part of the CTSRD Project, with support from the UK Higher
+ * Education Innovation Fund (HEIF).
+ *
+ * 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.
+ */
+
+#ifndef __ARCH_ARM_FREEBSD_FREEBSD_HH__
+#define __ARCH_ARM_FREEBSD_FREEBSD_HH__
+
+#include "kern/freebsd/freebsd.hh"
+
+class ArmFreebsd32 : public FreeBSD
+{
+  public:
+
+    /// 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;
+
+    //@{
+    /// Basic ARM FreeBSD types
+    typedef uint32_t size_t;
+    typedef uint32_t off_t;
+    typedef int32_t time_t;
+    typedef int32_t clock_t;
+    //@}
+
+    //@{
+    /// open(2) flag values.
+    static const int TGT_O_RDONLY    = 0x00000000; //!< O_RDONLY
+    static const int TGT_O_WRONLY    = 0x00000001; //!< O_WRONLY
+    static const int TGT_O_RDWR      = 0x00000002; //!< O_RDWR
+    static const int TGT_O_CREAT     = 0x00000200; //!< O_CREAT
+    static const int TGT_O_EXCL      = 0x00000800; //!< O_EXCL
+    static const int TGT_O_NOCTTY    = 0x00008000; //!< O_NOCTTY
+    static const int TGT_O_TRUNC     = 0x00000400; //!< O_TRUNC
+    static const int TGT_O_APPEND    = 0x00000008; //!< O_APPEND
+    static const int TGT_O_NONBLOCK  = 0x00000004; //!< O_NONBLOCK
+    static const int TGT_O_SYNC      = 0x00000080; //!< O_SYNC
+    static const int TGT_FASYNC      = 0x00000040; //!< FASYNC
+    static const int TGT_O_DIRECT    = 0x00010000; //!< O_DIRECT
+    static const int TGT_O_DIRECTORY = 0x00020000; //!< O_DIRECTORY
+    static const int TGT_O_NOFOLLOW  = 0x00000100; //!< O_NOFOLLOW
+    static const int TGT_O_CLOEXEC   = 0x00100000; //!< O_CLOEXEC
+    //@}
+
+    /// For mmap().
+    static const unsigned TGT_MAP_ANONYMOUS = 0x1000;
+    static const unsigned TGT_MAP_FIXED     = 0x0010;
+
+    /// Limit struct for getrlimit/setrlimit.
+    struct rlimit {
+        uint32_t  rlim_cur;     //!< soft limit
+        uint32_t  rlim_max;     //!< hard limit
+    };
+
+    /// For gettimeofday().
+    struct timeval {
+        int32_t tv_sec;         //!< seconds
+        int32_t tv_usec;        //!< microseconds
+    };
+
+    // For writev/readv
+    struct tgt_iovec {
+        uint32_t iov_base; // void *
+        uint32_t iov_len;
+    };
+
+    /*
+     * sizeof st 120
+     * sizeof st_dev 4
+     * sizeof st_ino 4
+     * sizeof st_mode 2
+     * sizeof st_nlink 2
+     * sizeof st_uid 4
+     * sizeof st_gid 4
+     * sizeof st_rdev 4
+     * sizeof st_atim 16
+     * sizeof st_size 8
+     * sizeof st_blocks 8
+     * sizeof st_blksize 4
+     * sizeof st_flags 4
+     * sizeof st_gen 4
+     * sizeof st_lspare 4
+     */
+
+    typedef struct {
+        uint32_t   st_dev;
+        uint32_t   st_ino;
+        uint16_t   st_mode;
+        uint16_t   st_nlink;
+        uint32_t   st_uid;
+        uint32_t   st_gid;
+        uint32_t   st_rdev;
+        uint64_t   st_atimeX;
+        uint64_t   st_atime_nsec;
+        uint64_t   st_mtimeX;
+        uint64_t   st_mtime_nsec;
+        uint64_t   st_ctimeX;
+        uint64_t   st_ctime_nsec;
+        uint64_t   st_size;
+        uint64_t   st_blocks;
+        uint32_t   st_blksize;
+        uint32_t   st_flags;
+        uint32_t   st_gen;
+        uint32_t   st_lspare;
+        uint64_t   st_birthtimX;
+        uint64_t   st_birthtim;
+    } tgt_stat;
+
+    typedef struct {
+        uint32_t   st_dev;
+        uint32_t   st_ino;
+        uint16_t   st_mode;
+        uint16_t   st_nlink;
+        uint32_t   st_uid;
+        uint32_t   st_gid;
+        uint32_t   st_rdev;
+        uint64_t   st_atimeX;
+        uint64_t   st_atime_nsec;
+        uint64_t   st_mtimeX;
+        uint64_t   st_mtime_nsec;
+        uint64_t   st_ctimeX;
+        uint64_t   st_ctime_nsec;
+        uint64_t   st_size;
+        uint64_t   st_blocks;
+        uint32_t   st_blksize;
+        uint32_t   st_flags;
+        uint32_t   st_gen;
+        uint32_t   st_lspare;
+        uint64_t   st_birthtimX;
+        uint64_t   st_birthtim;
+    } tgt_stat64;
+
+    /// For getrusage().
+    struct rusage {
+        struct timeval ru_utime;        //!< user time used
+        struct timeval ru_stime;        //!< system time used
+        int32_t ru_maxrss;              //!< max rss
+        int32_t ru_ixrss;               //!< integral shared memory size
+        int32_t ru_idrss;               //!< integral unshared data "
+        int32_t ru_isrss;               //!< integral unshared stack "
+        int32_t ru_minflt;              //!< page reclaims - total vmfaults
+        int32_t ru_majflt;              //!< page faults
+        int32_t ru_nswap;               //!< swaps
+        int32_t ru_inblock;             //!< block input operations
+        int32_t ru_oublock;             //!< block output operations
+        int32_t ru_msgsnd;              //!< messages sent
+        int32_t ru_msgrcv;              //!< messages received
+        int32_t ru_nsignals;            //!< signals received
+        int32_t ru_nvcsw;               //!< voluntary context switches
+        int32_t ru_nivcsw;              //!< involuntary "
+    };
+
+    /// 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
+    };
+};
+
+class ArmFreebsd64 : public FreeBSD
+{
+  public:
+
+    /// 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;
+
+    //@{
+    /// Basic ARM FreeBSD types
+    typedef uint64_t size_t;
+    typedef uint64_t off_t;
+    typedef int64_t time_t;
+    typedef int64_t clock_t;
+    //@}
+
+    //@{
+    /// open(2) flag values.
+    static const int TGT_O_RDONLY    = 0x00000000; //!< O_RDONLY
+    static const int TGT_O_WRONLY    = 0x00000001; //!< O_WRONLY
+    static const int TGT_O_RDWR      = 0x00000002; //!< O_RDWR
+    static const int TGT_O_CREAT     = 0x00000200; //!< O_CREAT
+    static const int TGT_O_EXCL      = 0x00000800; //!< O_EXCL
+    static const int TGT_O_NOCTTY    = 0x00008000; //!< O_NOCTTY
+    static const int TGT_O_TRUNC     = 0x00000400; //!< O_TRUNC
+    static const int TGT_O_APPEND    = 0x00000008; //!< O_APPEND
+    static const int TGT_O_NONBLOCK  = 0x00000004; //!< O_NONBLOCK
+    static const int TGT_O_SYNC      = 0x00000080; //!< O_SYNC
+    static const int TGT_FASYNC      = 0x00000040; //!< FASYNC
+    static const int TGT_O_DIRECT    = 0x00010000; //!< O_DIRECT
+    static const int TGT_O_DIRECTORY = 0x00020000; //!< O_DIRECTORY
+    static const int TGT_O_NOFOLLOW  = 0x00000100; //!< O_NOFOLLOW
+    static const int TGT_O_CLOEXEC   = 0x00100000; //!< O_CLOEXEC
+    //@}
+
+    /// For mmap().
+    static const unsigned TGT_MAP_ANONYMOUS = 0x1000;
+    static const unsigned TGT_MAP_FIXED     = 0x0010;
+
+    //@{
+    /// For getrusage().
+    static const int TGT_RUSAGE_SELF = 0;
+    static const int TGT_RUSAGE_CHILDREN = -1;
+    static const int TGT_RUSAGE_THREAD = 1;
+    //@}
+
+    /// Resource enumeration for getrlimit().
+    enum rlimit_resources {
+        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_MEMLOCK = 6,
+        TGT_RLIMIT_NPROC = 7,
+        TGT_RLIMIT_NOFILE = 8,
+        TGT_RLIMIT_SBSIZE = 9,
+        TGT_RLIMIT_VMEM = 10,
+        TGT_RLIMIT_AS = TGT_RLIMIT_VMEM,
+        TGT_RLIMIT_NPTS = 11,
+        TGT_RLIMIT_SWAP = 12,
+        TGT_RLIMIT_KQUEUES = 13
+    };
+
+    /// Limit struct for getrlimit/setrlimit.
+    struct rlimit {
+        uint64_t  rlim_cur;     //!< soft limit
+        uint64_t  rlim_max;     //!< hard limit
+    };
+
+    /// For gettimeofday().
+    struct timeval {
+        int64_t tv_sec;         //!< seconds
+        int64_t tv_usec;        //!< microseconds
+    };
+
+    // For writev/readv
+    struct tgt_iovec {
+        uint64_t iov_base; // void *
+        uint64_t iov_len;
+    };
+
+    typedef struct {
+        uint32_t   st_dev;
+        uint32_t   st_ino;
+        uint16_t   st_mode;
+        uint16_t   st_nlink;
+        uint32_t   st_uid;
+        uint32_t   st_gid;
+        uint32_t   st_rdev;
+        uint64_t   st_atimeX;
+        uint64_t   st_atime_nsec;
+        uint64_t   st_mtimeX;
+        uint64_t   st_mtime_nsec;
+        uint64_t   st_ctimeX;
+        uint64_t   st_ctime_nsec;
+        uint64_t   st_size;
+        uint64_t   st_blocks;
+        uint32_t   st_blksize;
+        uint32_t   st_flags;
+        uint32_t   st_gen;
+        uint32_t   st_lspare;
+        uint64_t   st_birthtimX;
+        uint64_t   st_birthtim;
+    } tgt_stat;
+
+    typedef struct {
+        uint32_t   st_dev;
+        uint32_t   st_ino;
+        uint16_t   st_mode;
+        uint16_t   st_nlink;
+        uint32_t   st_uid;
+        uint32_t   st_gid;
+        uint32_t   st_rdev;
+        uint64_t   st_atimeX;
+        uint64_t   st_atime_nsec;
+        uint64_t   st_mtimeX;
+        uint64_t   st_mtime_nsec;
+        uint64_t   st_ctimeX;
+        uint64_t   st_ctime_nsec;
+        uint64_t   st_size;
+        uint64_t   st_blocks;
+        uint32_t   st_blksize;
+        uint32_t   st_flags;
+        uint32_t   st_gen;
+        uint32_t   st_lspare;
+        uint64_t   st_birthtimX;
+        uint64_t   st_birthtim;
+    } tgt_stat64;
+
+    /// For getrusage().
+    struct rusage {
+        struct timeval ru_utime;        //!< user time used
+        struct timeval ru_stime;        //!< system time used
+        int64_t ru_maxrss;              //!< max rss
+        int64_t ru_ixrss;               //!< integral shared memory size
+        int64_t ru_idrss;               //!< integral unshared data "
+        int64_t ru_isrss;               //!< integral unshared stack "
+        int64_t ru_minflt;              //!< page reclaims - total vmfaults
+        int64_t ru_majflt;              //!< page faults
+        int64_t ru_nswap;               //!< swaps
+        int64_t ru_inblock;             //!< block input operations
+        int64_t ru_oublock;             //!< block output operations
+        int64_t ru_msgsnd;              //!< messages sent
+        int64_t ru_msgrcv;              //!< messages received
+        int64_t ru_nsignals;            //!< signals received
+        int64_t ru_nvcsw;               //!< voluntary context switches
+        int64_t ru_nivcsw;              //!< involuntary "
+    };
+
+    /// For times().
+    struct tms {
+        int64_t tms_utime;      //!< user time
+        int64_t tms_stime;      //!< system time
+        int64_t tms_cutime;     //!< user time of children
+        int64_t tms_cstime;     //!< system time of children
+    };
+};
+
+#endif