changeset 683ab55819fd in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=683ab55819fd
description:
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 <[email protected]>
diffstat:
src/arch/arm/ArmSystem.py | 14 +-
src/arch/arm/SConscript | 3 +
src/arch/arm/freebsd/freebsd.cc | 78 +
src/arch/arm/freebsd/freebsd.hh | 356 ++++++++
src/arch/arm/freebsd/process.cc | 1280 ++++++++++++++++++++++++++++++++
src/arch/arm/freebsd/process.hh | 86 ++
src/arch/arm/freebsd/system.cc | 175 ++++
src/arch/arm/freebsd/system.hh | 135 +++
src/arch/arm/linux/system.cc | 4 +-
src/arch/arm/linux/system.hh | 2 +-
src/arch/arm/process.cc | 89 +-
src/arch/arm/system.cc | 18 +
src/arch/arm/system.hh | 20 +-
src/arch/generic/freebsd/threadinfo.hh | 60 +
src/base/loader/elf_object.cc | 16 +-
src/base/loader/object_file.hh | 3 +-
src/base/output.cc | 1 +
src/base/vnc/vncserver.cc | 12 +-
src/dev/arm/gic_pl390.cc | 6 +-
src/dev/terminal.cc | 10 +-
src/kern/SConscript | 1 +
src/kern/freebsd/events.cc | 71 +
src/kern/freebsd/events.hh | 68 +
src/kern/freebsd/freebsd.hh | 120 +++
src/sim/process.cc | 10 +
25 files changed, 2592 insertions(+), 46 deletions(-)
diffs (truncated from 2922 to 300 lines):
diff -r e3963342ead4 -r 683ab55819fd src/arch/arm/ArmSystem.py
--- a/src/arch/arm/ArmSystem.py Wed Apr 29 22:35:22 2015 -0500
+++ b/src/arch/arm/ArmSystem.py Wed Apr 29 22:35:23 2015 -0500
@@ -71,9 +71,9 @@
have_large_asid_64 = Param.Bool(False,
"True if ASID is 16 bits in AArch64 (ARMv8)")
-class LinuxArmSystem(ArmSystem):
- type = 'LinuxArmSystem'
- cxx_header = "arch/arm/linux/system.hh"
+class GenericArmSystem(ArmSystem):
+ type = 'GenericArmSystem'
+ cxx_header = "arch/arm/system.hh"
load_addr_mask = 0x0fffffff
machine_type = Param.ArmMachineType('VExpress_EMM',
"Machine id from http://www.arm.linux.org.uk/developer/machines/";)
@@ -91,3 +91,11 @@
"guest kernel panics")
panic_on_oops = Param.Bool(False, "Trigger a gem5 panic if the " \
"guest kernel oopses")
+
+class LinuxArmSystem(GenericArmSystem):
+ type = 'LinuxArmSystem'
+ cxx_header = "arch/arm/linux/system.hh"
+
+class FreebsdArmSystem(GenericArmSystem):
+ type = 'FreebsdArmSystem'
+ cxx_header = "arch/arm/freebsd/system.hh"
diff -r e3963342ead4 -r 683ab55819fd src/arch/arm/SConscript
--- a/src/arch/arm/SConscript Wed Apr 29 22:35:22 2015 -0500
+++ b/src/arch/arm/SConscript Wed Apr 29 22:35:23 2015 -0500
@@ -67,6 +67,9 @@
Source('linux/linux.cc')
Source('linux/process.cc')
Source('linux/system.cc')
+ Source('freebsd/freebsd.cc')
+ Source('freebsd/process.cc')
+ Source('freebsd/system.cc')
Source('miscregs.cc')
Source('nativetrace.cc')
Source('pmu.cc')
diff -r e3963342ead4 -r 683ab55819fd src/arch/arm/freebsd/freebsd.cc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/arch/arm/freebsd/freebsd.cc Wed Apr 29 22:35:23 2015 -0500
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2015 Ruslan Bukin <[email protected]>
+ * 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.
+ */
+
+#include "arch/arm/freebsd/freebsd.hh"
+
+#include <fcntl.h>
+
+// open(2) flags translation table
+OpenFlagTransTable ArmFreebsd32::openFlagTable[] = {
+ { ArmFreebsd32::TGT_O_RDONLY, O_RDONLY },
+ { ArmFreebsd32::TGT_O_WRONLY, O_WRONLY },
+ { ArmFreebsd32::TGT_O_RDWR, O_RDWR },
+ { ArmFreebsd32::TGT_O_CREAT, O_CREAT },
+ { ArmFreebsd32::TGT_O_EXCL, O_EXCL },
+ { ArmFreebsd32::TGT_O_NOCTTY, O_NOCTTY },
+ { ArmFreebsd32::TGT_O_TRUNC, O_TRUNC },
+ { ArmFreebsd32::TGT_O_APPEND, O_APPEND },
+ { ArmFreebsd32::TGT_O_NONBLOCK, O_NONBLOCK },
+ { ArmFreebsd32::TGT_O_SYNC, O_SYNC },
+ { ArmFreebsd32::TGT_FASYNC, FASYNC },
+ { ArmFreebsd32::TGT_O_DIRECT, O_DIRECT },
+ { ArmFreebsd32::TGT_O_DIRECTORY, O_DIRECTORY },
+ { ArmFreebsd32::TGT_O_NOFOLLOW, O_NOFOLLOW },
+};
+
+const int ArmFreebsd32::NUM_OPEN_FLAGS = sizeof(ArmFreebsd32::openFlagTable) /
+ sizeof(ArmFreebsd32::openFlagTable[0]);
+
+// open(2) flags translation table
+OpenFlagTransTable ArmFreebsd64::openFlagTable[] = {
+ { ArmFreebsd32::TGT_O_RDONLY, O_RDONLY },
+ { ArmFreebsd32::TGT_O_WRONLY, O_WRONLY },
+ { ArmFreebsd32::TGT_O_RDWR, O_RDWR },
+ { ArmFreebsd32::TGT_O_CREAT, O_CREAT },
+ { ArmFreebsd32::TGT_O_EXCL, O_EXCL },
+ { ArmFreebsd32::TGT_O_NOCTTY, O_NOCTTY },
+ { ArmFreebsd32::TGT_O_TRUNC, O_TRUNC },
+ { ArmFreebsd32::TGT_O_APPEND, O_APPEND },
+ { ArmFreebsd32::TGT_O_NONBLOCK, O_NONBLOCK },
+ { ArmFreebsd32::TGT_O_SYNC, O_SYNC },
+ { ArmFreebsd32::TGT_FASYNC, FASYNC },
+ { ArmFreebsd32::TGT_O_DIRECT, O_DIRECT },
+ { ArmFreebsd32::TGT_O_DIRECTORY, O_DIRECTORY },
+ { ArmFreebsd32::TGT_O_NOFOLLOW, O_NOFOLLOW },
+};
+
+const int ArmFreebsd64::NUM_OPEN_FLAGS = sizeof(ArmFreebsd64::openFlagTable) /
+ sizeof(ArmFreebsd64::openFlagTable[0]);
+
diff -r e3963342ead4 -r 683ab55819fd src/arch/arm/freebsd/freebsd.hh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/arch/arm/freebsd/freebsd.hh Wed Apr 29 22:35:23 2015 -0500
@@ -0,0 +1,356 @@
+/*
+ * Copyright (c) 2015 Ruslan Bukin <[email protected]>
+ * 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
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