e92f64b0b7
Change-Id: Ia06bc959c81e9b37e0a506c022b8f8d86a0897ac Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/45237 Tested-by: kokoro <noreply+kokoro@google.com> Maintainer: Gabe Black <gabe.black@gmail.com> Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
567 lines
21 KiB
C++
567 lines
21 KiB
C++
/*
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* Copyright (c) 2010, 2011-2012, 2015 ARM Limited
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* All rights reserved
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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* Copyright (c) 2007-2008 The Florida State University
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __ARCH_ARM_LINUX_LINUX_HH__
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#define __ARCH_ARM_LINUX_LINUX_HH__
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#include "arch/arm/utility.hh"
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#include "base/compiler.hh"
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#include "kern/linux/linux.hh"
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class ArmLinux : public Linux
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{
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public:
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static const ByteOrder byteOrder = ByteOrder::little;
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static void
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archClone(uint64_t flags,
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Process *pp, Process *cp,
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ThreadContext *ptc, ThreadContext *ctc,
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uint64_t stack, uint64_t tls)
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{
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ctc->getIsaPtr()->copyRegsFrom(ptc);
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if (flags & TGT_CLONE_SETTLS) {
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/* TPIDR_EL0 is architecturally mapped to TPIDRURW, so
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* this works for both aarch32 and aarch64. */
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ctc->setMiscReg(ArmISA::MISCREG_TPIDR_EL0, tls);
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}
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}
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};
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class ArmLinux32 : public ArmLinux
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{
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public:
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static const int TGT_SIGHUP = 0x000001;
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static const int TGT_SIGINT = 0x000002;
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static const int TGT_SIGQUIT = 0x000003;
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static const int TGT_SIGILL = 0x000004;
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static const int TGT_SIGTRAP = 0x000005;
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static const int TGT_SIGABRT = 0x000006;
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static const int TGT_SIGIOT = 0x000006;
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static const int TGT_SIGBUS = 0x000007;
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static const int TGT_SIGFPE = 0x000008;
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static const int TGT_SIGKILL = 0x000009;
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static const int TGT_SIGUSR1 = 0x00000a;
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static const int TGT_SIGSEGV = 0x00000b;
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static const int TGT_SIGUSR2 = 0x00000c;
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static const int TGT_SIGPIPE = 0x00000d;
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static const int TGT_SIGALRM = 0x00000e;
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static const int TGT_SIGTERM = 0x00000f;
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static const int TGT_SIGSTKFLT = 0x000010;
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static const int TGT_SIGCHLD = 0x000011;
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static const int TGT_SIGCONT = 0x000012;
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static const int TGT_SIGSTOP = 0x000013;
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static const int TGT_SIGTSTP = 0x000014;
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static const int TGT_SIGTTIN = 0x000015;
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static const int TGT_SIGTTOU = 0x000016;
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static const int TGT_SIGURG = 0x000017;
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static const int TGT_SIGXCPU = 0x000018;
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static const int TGT_SIGXFSZ = 0x000019;
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static const int TGT_SIGVTALRM = 0x00001a;
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static const int TGT_SIGPROF = 0x00001b;
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static const int TGT_SIGWINCH = 0x00001c;
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static const int TGT_SIGIO = 0x00001d;
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static const int TGT_SIGPOLL = 0x00001d;
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static const int TGT_SIGPWR = 0x00001e;
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static const int TGT_SIGSYS = 0x00001f;
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static const int TGT_SIGUNUSED = 0x00001f;
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/// This table maps the target open() flags to the corresponding
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/// host open() flags.
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static SyscallFlagTransTable openFlagTable[];
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/// Number of entries in openFlagTable[].
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static const int NUM_OPEN_FLAGS;
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//@{
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/// Basic ARM Linux types
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typedef uint32_t size_t;
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typedef uint32_t off_t;
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typedef int32_t time_t;
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typedef int32_t clock_t;
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//@}
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//@{
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/// open(2) flag values.
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static const int TGT_O_RDONLY = 000000000; //!< O_RDONLY
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static const int TGT_O_WRONLY = 000000001; //!< O_WRONLY
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static const int TGT_O_RDWR = 000000002; //!< O_RDWR
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static const int TGT_O_CREAT = 000000100; //!< O_CREAT
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static const int TGT_O_EXCL = 000000200; //!< O_EXCL
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static const int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY
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static const int TGT_O_TRUNC = 000001000; //!< O_TRUNC
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static const int TGT_O_APPEND = 000002000; //!< O_APPEND
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static const int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK
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static const int TGT_O_DSYNC = 000010000; //!< O_DSYNC
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static const int TGT_FASYNC = 000020000; //!< FASYNC
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static const int TGT_O_DIRECT = 000200000; //!< O_DIRECT
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static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE
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static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY
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static const int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW
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static const int TGT_O_NOATIME = 001000000; //!< O_NOATIME
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static const int TGT_O_CLOEXEC = 002000000; //!< O_NOATIME
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static const int TGT_O_SYNC = 004010000; //!< O_SYNC
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static const int TGT_O_PATH = 010000000; //!< O_PATH
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//@}
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static const unsigned TGT_MAP_SHARED = 0x00001;
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static const unsigned TGT_MAP_PRIVATE = 0x00002;
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static const unsigned TGT_MAP_ANON = 0x00020;
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static const unsigned TGT_MAP_DENYWRITE = 0x00800;
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static const unsigned TGT_MAP_EXECUTABLE = 0x01000;
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static const unsigned TGT_MAP_FILE = 0x00000;
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static const unsigned TGT_MAP_GROWSDOWN = 0x00100;
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static const unsigned TGT_MAP_HUGETLB = 0x40000;
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static const unsigned TGT_MAP_LOCKED = 0x02000;
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static const unsigned TGT_MAP_NONBLOCK = 0x10000;
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static const unsigned TGT_MAP_NORESERVE = 0x04000;
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static const unsigned TGT_MAP_POPULATE = 0x08000;
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static const unsigned TGT_MAP_STACK = 0x20000;
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static const unsigned TGT_MAP_ANONYMOUS = 0x00020;
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static const unsigned TGT_MAP_FIXED = 0x00010;
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static const unsigned NUM_MMAP_FLAGS;
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/// For table().
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static const int TBL_SYSINFO = 12;
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/// Limit struct for getrlimit/setrlimit.
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struct rlimit
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{
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uint32_t rlim_cur; //!< soft limit
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uint32_t rlim_max; //!< hard limit
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};
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/// For gettimeofday().
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struct timeval
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{
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int32_t tv_sec; //!< seconds
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int32_t tv_usec; //!< microseconds
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};
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struct timespec
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{
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int32_t tv_sec; //!< seconds
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int32_t tv_nsec; //!< nanoseconds
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};
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// For writev/readv
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struct tgt_iovec
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{
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uint32_t iov_base; // void *
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uint32_t iov_len;
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};
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typedef struct
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{
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uint32_t st_dev;
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uint32_t st_ino;
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uint16_t st_mode;
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uint16_t st_nlink;
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uint16_t st_uid;
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uint16_t st_gid;
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uint32_t st_rdev;
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uint32_t __pad1;
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uint32_t st_size;
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uint32_t st_blksize;
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uint32_t __pad2;
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uint32_t st_blocks;
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uint32_t st_atimeX;
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uint32_t st_atime_nsec;
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uint32_t st_mtimeX;
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uint32_t st_mtime_nsec;
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uint32_t st_ctimeX;
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uint32_t st_ctime_nsec;
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} tgt_stat;
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typedef struct
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{
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uint64_t st_dev;
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uint8_t __pad0[4];
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uint32_t __st_ino;
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uint32_t st_mode;
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uint32_t st_nlink;
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uint32_t st_uid;
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uint32_t st_gid;
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uint64_t st_rdev;
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uint8_t __pad3[4];
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GEM5_ALIGNED(8) int64_t st_size;
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uint32_t st_blksize;
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GEM5_ALIGNED(8) uint64_t st_blocks;
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uint32_t st_atimeX;
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uint32_t st_atime_nsec;
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uint32_t st_mtimeX;
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uint32_t st_mtime_nsec;
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uint32_t st_ctimeX;
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uint32_t st_ctime_nsec;
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uint64_t st_ino;
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} tgt_stat64;
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typedef struct
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{
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int32_t uptime; /* Seconds since boot */
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uint32_t loads[3]; /* 1, 5, and 15 minute load averages */
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uint32_t totalram; /* Total usable main memory size */
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uint32_t freeram; /* Available memory size */
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uint32_t sharedram; /* Amount of shared memory */
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uint32_t bufferram; /* Memory used by buffers */
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uint32_t totalswap; /* Total swap space size */
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uint32_t freeswap; /* swap space still available */
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uint16_t procs; /* Number of current processes */
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uint32_t totalhigh; /* Total high memory size */
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uint32_t freehigh; /* Available high memory size */
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uint32_t mem_unit; /* Memory unit size in bytes */
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} tgt_sysinfo;
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/// For getrusage().
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struct rusage
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{
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struct timeval ru_utime; //!< user time used
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struct timeval ru_stime; //!< system time used
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int32_t ru_maxrss; //!< max rss
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int32_t ru_ixrss; //!< integral shared memory size
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int32_t ru_idrss; //!< integral unshared data "
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int32_t ru_isrss; //!< integral unshared stack "
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int32_t ru_minflt; //!< page reclaims - total vmfaults
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int32_t ru_majflt; //!< page faults
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int32_t ru_nswap; //!< swaps
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int32_t ru_inblock; //!< block input operations
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int32_t ru_oublock; //!< block output operations
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int32_t ru_msgsnd; //!< messages sent
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int32_t ru_msgrcv; //!< messages received
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int32_t ru_nsignals; //!< signals received
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int32_t ru_nvcsw; //!< voluntary context switches
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int32_t ru_nivcsw; //!< involuntary "
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};
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/// For times().
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struct tms
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{
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int32_t tms_utime; //!< user time
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int32_t tms_stime; //!< system time
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int32_t tms_cutime; //!< user time of children
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int32_t tms_cstime; //!< system time of children
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};
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static void
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archClone(uint64_t flags,
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Process *pp, Process *cp,
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ThreadContext *ptc, ThreadContext *ctc,
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uint64_t stack, uint64_t tls)
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{
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ArmLinux::archClone(flags, pp, cp, ptc, ctc, stack, tls);
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if (stack)
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ctc->setIntReg(ArmISA::INTREG_SP, stack);
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}
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};
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class ArmLinux64 : public ArmLinux
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{
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public:
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static const int TGT_SIGHUP = 0x000001;
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static const int TGT_SIGINT = 0x000002;
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static const int TGT_SIGQUIT = 0x000003;
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static const int TGT_SIGILL = 0x000004;
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static const int TGT_SIGTRAP = 0x000005;
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static const int TGT_SIGABRT = 0x000006;
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static const int TGT_SIGIOT = 0x000006;
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static const int TGT_SIGBUS = 0x000007;
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static const int TGT_SIGFPE = 0x000008;
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static const int TGT_SIGKILL = 0x000009;
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static const int TGT_SIGUSR1 = 0x00000a;
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static const int TGT_SIGSEGV = 0x00000b;
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static const int TGT_SIGUSR2 = 0x00000c;
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static const int TGT_SIGPIPE = 0x00000d;
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static const int TGT_SIGALRM = 0x00000e;
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static const int TGT_SIGTERM = 0x00000f;
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static const int TGT_SIGSTKFLT = 0x000010;
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static const int TGT_SIGCHLD = 0x000011;
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static const int TGT_SIGCONT = 0x000012;
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static const int TGT_SIGSTOP = 0x000013;
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static const int TGT_SIGTSTP = 0x000014;
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static const int TGT_SIGTTIN = 0x000015;
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static const int TGT_SIGTTOU = 0x000016;
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static const int TGT_SIGURG = 0x000017;
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static const int TGT_SIGXCPU = 0x000018;
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static const int TGT_SIGXFSZ = 0x000019;
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static const int TGT_SIGVTALRM = 0x00001a;
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static const int TGT_SIGPROF = 0x00001b;
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static const int TGT_SIGWINCH = 0x00001c;
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static const int TGT_SIGIO = 0x00001d;
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static const int TGT_SIGPOLL = 0x00001d;
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static const int TGT_SIGPWR = 0x00001e;
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static const int TGT_SIGSYS = 0x00001f;
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static const int TGT_SIGUNUSED = 0x00001f;
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/// This table maps the target open() flags to the corresponding
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/// host open() flags.
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static SyscallFlagTransTable openFlagTable[];
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/// Number of entries in openFlagTable[].
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static const int NUM_OPEN_FLAGS;
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//@{
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/// Basic ARM Linux types
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typedef uint64_t size_t;
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typedef uint64_t off_t;
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typedef int64_t time_t;
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typedef int64_t clock_t;
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//@}
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//@{
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/// open(2) flag values.
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static const int TGT_O_RDONLY = 000000000; //!< O_RDONLY
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static const int TGT_O_WRONLY = 000000001; //!< O_WRONLY
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static const int TGT_O_RDWR = 000000002; //!< O_RDWR
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static const int TGT_O_CREAT = 000000100; //!< O_CREAT
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static const int TGT_O_EXCL = 000000200; //!< O_EXCL
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static const int TGT_O_NOCTTY = 000000400; //!< O_NOCTTY
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static const int TGT_O_TRUNC = 000001000; //!< O_TRUNC
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static const int TGT_O_APPEND = 000002000; //!< O_APPEND
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static const int TGT_O_NONBLOCK = 000004000; //!< O_NONBLOCK
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static const int TGT_O_DSYNC = 000010000; //!< O_DSYNC
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static const int TGT_FASYNC = 000020000; //!< FASYNC
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static const int TGT_O_DIRECT = 000200000; //!< O_DIRECT
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static const int TGT_O_LARGEFILE = 000400000; //!< O_LARGEFILE
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static const int TGT_O_DIRECTORY = 000040000; //!< O_DIRECTORY
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static const int TGT_O_NOFOLLOW = 000100000; //!< O_NOFOLLOW
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static const int TGT_O_NOATIME = 001000000; //!< O_NOATIME
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static const int TGT_O_CLOEXEC = 002000000; //!< O_NOATIME
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static const int TGT_O_SYNC = 004010000; //!< O_SYNC
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static const int TGT_O_PATH = 010000000; //!< O_PATH
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//@}
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/// For mmap().
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static SyscallFlagTransTable mmapFlagTable[];
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static const unsigned TGT_MAP_SHARED = 0x00001;
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static const unsigned TGT_MAP_PRIVATE = 0x00002;
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static const unsigned TGT_MAP_ANON = 0x00020;
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static const unsigned TGT_MAP_DENYWRITE = 0x00800;
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static const unsigned TGT_MAP_EXECUTABLE = 0x01000;
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static const unsigned TGT_MAP_FILE = 0x00000;
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static const unsigned TGT_MAP_GROWSDOWN = 0x00100;
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static const unsigned TGT_MAP_HUGETLB = 0x40000;
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static const unsigned TGT_MAP_LOCKED = 0x02000;
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static const unsigned TGT_MAP_NONBLOCK = 0x10000;
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static const unsigned TGT_MAP_NORESERVE = 0x04000;
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static const unsigned TGT_MAP_POPULATE = 0x08000;
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static const unsigned TGT_MAP_STACK = 0x20000;
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static const unsigned TGT_MAP_ANONYMOUS = 0x00020;
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static const unsigned TGT_MAP_FIXED = 0x00010;
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static const unsigned NUM_MMAP_FLAGS;
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//@{
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/// For getrusage().
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static const int TGT_RUSAGE_SELF = 0;
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static const int TGT_RUSAGE_CHILDREN = -1;
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static const int TGT_RUSAGE_BOTH = -2;
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//@}
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//@{
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/// ioctl() command codes.
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static const unsigned TIOCGETP_ = 0x5401;
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static const unsigned TIOCSETP_ = 0x80067409;
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static const unsigned TIOCSETN_ = 0x8006740a;
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static const unsigned TIOCSETC_ = 0x80067411;
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static const unsigned TIOCGETC_ = 0x40067412;
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static const unsigned FIONREAD_ = 0x4004667f;
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static const unsigned TIOCISATTY_ = 0x2000745e;
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static const unsigned TIOCGETS_ = 0x402c7413;
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static const unsigned TIOCGETA_ = 0x5405;
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static const unsigned TCSETAW_ = 0x5407; // 2.6.15 kernel
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//@}
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/// For table().
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static const int TBL_SYSINFO = 12;
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/// Resource enumeration for getrlimit().
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enum rlimit_resources
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{
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TGT_RLIMIT_CPU = 0,
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TGT_RLIMIT_FSIZE = 1,
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TGT_RLIMIT_DATA = 2,
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TGT_RLIMIT_STACK = 3,
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|
TGT_RLIMIT_CORE = 4,
|
|
TGT_RLIMIT_RSS = 5,
|
|
TGT_RLIMIT_NPROC = 6,
|
|
TGT_RLIMIT_NOFILE = 7,
|
|
TGT_RLIMIT_MEMLOCK = 8,
|
|
TGT_RLIMIT_AS = 9,
|
|
TGT_RLIMIT_LOCKS = 10
|
|
};
|
|
|
|
/// 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
|
|
};
|
|
|
|
struct timespec
|
|
{
|
|
int64_t tv_sec; //!< seconds
|
|
int64_t tv_nsec; //!< nanoseconds
|
|
};
|
|
|
|
// For writev/readv
|
|
struct tgt_iovec
|
|
{
|
|
uint64_t iov_base; // void *
|
|
uint64_t iov_len;
|
|
};
|
|
|
|
typedef struct
|
|
{
|
|
uint64_t st_dev;
|
|
uint64_t st_ino;
|
|
uint64_t st_nlink;
|
|
uint32_t st_mode;
|
|
uint32_t st_uid;
|
|
uint32_t st_gid;
|
|
uint32_t __pad0;
|
|
uint64_t st_rdev;
|
|
uint64_t st_size;
|
|
uint64_t st_blksize;
|
|
uint64_t st_blocks;
|
|
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;
|
|
} 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;
|
|
uint32_t __pad0;
|
|
uint64_t st_rdev;
|
|
uint64_t st_size;
|
|
uint64_t st_blksize;
|
|
uint64_t st_blocks;
|
|
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;
|
|
} tgt_stat64;
|
|
|
|
typedef struct
|
|
{
|
|
int64_t uptime; /* Seconds since boot */
|
|
uint64_t loads[3]; /* 1, 5, and 15 minute load averages */
|
|
uint64_t totalram; /* Total usable main memory size */
|
|
uint64_t freeram; /* Available memory size */
|
|
uint64_t sharedram; /* Amount of shared memory */
|
|
uint64_t bufferram; /* Memory used by buffers */
|
|
uint64_t totalswap; /* Total swap space size */
|
|
uint64_t freeswap; /* swap space still available */
|
|
uint16_t procs; /* Number of current processes */
|
|
uint16_t pad;
|
|
uint64_t totalhigh; /* Total high memory size */
|
|
uint64_t freehigh; /* Available high memory size */
|
|
uint32_t mem_unit; /* Memory unit size in bytes */
|
|
} tgt_sysinfo;
|
|
|
|
/// 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
|
|
};
|
|
|
|
static void archClone(uint64_t flags,
|
|
Process *pp, Process *cp,
|
|
ThreadContext *ptc, ThreadContext *ctc,
|
|
uint64_t stack, uint64_t tls)
|
|
{
|
|
ArmLinux::archClone(flags, pp, cp, ptc, ctc, stack, tls);
|
|
|
|
if (stack)
|
|
ctc->setIntReg(ArmISA::INTREG_SP0, stack);
|
|
}
|
|
};
|
|
|
|
#endif
|