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arm: Implement an SE workload for Linux and FreeBSD.

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Change-Id: I3bac27ca8d5ed9fa11b519ea29b73c6d09260157
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/34159
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Gabe Black
2020-10-20 17:37:10 -07:00
parent 0ab84ea848
commit 81c5ca17be
12 changed files with 1231 additions and 1020 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
src/arch/arm/ArmSeWorkload.py Normal file
View File

@@ -0,0 +1,54 @@
# Copyright 2020 Google Inc.
#
# 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.
from m5.params import *
from m5.objects.Workload import SEWorkload
class ArmSEWorkload(SEWorkload):
type = 'ArmSEWorkload'
cxx_header = "arch/arm/se_workload.hh"
cxx_class = 'ArmISA::SEWorkload'
abstract = True
class ArmEmuLinux(ArmSEWorkload):
type = 'ArmEmuLinux'
cxx_header = "arch/arm/linux/se_workload.hh"
cxx_class = 'ArmISA::EmuLinux'
@classmethod
def _is_compatible_with(cls, obj):
return obj.get_arch() in ('arm64', 'arm', 'thumb') and \
obj.get_op_sys() in ('linux', 'unknown')
class ArmEmuFreebsd(ArmSEWorkload):
type = 'ArmEmuFreebsd'
cxx_header = "arch/arm/freebsd/se_workload.hh"
cxx_class = 'ArmISA::EmuFreebsd'
@classmethod
def _is_compatible_with(cls, obj):
return obj.get_arch() in ('arm64', 'arm', 'thumb') and \
obj.get_op_sys() == 'freebsd'

5
src/arch/arm/SConscript
View File

@@ -75,10 +75,11 @@ if env['TARGET_ISA'] == 'arm':
Source('isa_device.cc')
Source('linux/linux.cc')
Source('linux/process.cc')
Source('linux/se_workload.cc')
Source('linux/fs_workload.cc')
Source('freebsd/freebsd.cc')
Source('freebsd/process.cc')
Source('freebsd/fs_workload.cc')
Source('freebsd/se_workload.cc')
Source('fs_workload.cc')
Source('miscregs.cc')
Source('mmu.cc')
@@ -92,6 +93,7 @@ if env['TARGET_ISA'] == 'arm':
Source('system.cc')
Source('table_walker.cc')
Source('self_debug.cc')
Source('se_workload.cc')
Source('stage2_mmu.cc')
Source('stage2_lookup.cc')
Source('tlb.cc')
@@ -104,6 +106,7 @@ if env['TARGET_ISA'] == 'arm':
SimObject('ArmMMU.py')
SimObject('ArmNativeTrace.py')
SimObject('ArmSemihosting.py')
SimObject('ArmSeWorkload.py')
SimObject('ArmSystem.py')
SimObject('ArmTLB.py')
SimObject('ArmPMU.py')

89
src/arch/arm/freebsd/process.cc → src/arch/arm/freebsd/se_workload.cc
View File

@@ -1,11 +1,12 @@
/*
* Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
* All rights reserved.
* Copyright 2015 Ruslan Bukin <br@bsdpad.com>
*
* 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).
*
* Copyright 2020 Google Inc.
*
* 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
@@ -30,42 +31,27 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "arch/arm/freebsd/process.hh"
#include "arch/arm/freebsd/se_workload.hh"
#include <sys/mman.h>
#include <sys/param.h>
#include <sys/syscall.h>
#if !defined ( __GNU_LIBRARY__ )
#include <sys/sysctl.h>
#endif
#include <sys/types.h>
#include <utime.h>
#include "arch/arm/freebsd/freebsd.hh"
#include "arch/arm/isa_traits.hh"
#include "arch/arm/process.hh"
#include "base/loader/object_file.hh"
#include "base/trace.hh"
#include "cpu/thread_context.hh"
#include "kern/freebsd/freebsd.hh"
#include "sim/process.hh"
#include "sim/syscall_desc.hh"
#include "sim/syscall_emul.hh"
#include "sim/system.hh"
using namespace std;
using namespace ArmISA;
namespace
{
class ArmFreebsdObjectFileLoader : public Process::Loader
class FreebsdLoader : public Process::Loader
{
public:
Process *
load(const ProcessParams &params, ::Loader::ObjectFile *obj_file) override
load(const ProcessParams &params, ::Loader::ObjectFile *obj) override
{
auto arch = obj_file->getArch();
auto opsys = obj_file->getOpSys();
auto arch = obj->getArch();
auto opsys = obj->getOpSys();
if (arch != ::Loader::Arm && arch != ::Loader::Thumb &&
arch != ::Loader::Arm64) {
@@ -76,16 +62,19 @@ class ArmFreebsdObjectFileLoader : public Process::Loader
return nullptr;
if (arch == ::Loader::Arm64)
return new ArmFreebsdProcess64(params, obj_file, arch);
return new ArmProcess64(params, obj, arch);
else
return new ArmFreebsdProcess32(params, obj_file, arch);
return new ArmProcess32(params, obj, arch);
}
};
ArmFreebsdObjectFileLoader loader;
FreebsdLoader loader;
} // anonymous namespace
namespace ArmISA
{
static SyscallReturn
issetugidFunc(SyscallDesc *desc, ThreadContext *tc)
{
@@ -130,9 +119,9 @@ sysctlFunc(SyscallDesc *desc, ThreadContext *tc, Addr namep, size_t nameLen,
}
#endif
static SyscallDescTable<ArmFreebsdProcess32::SyscallABI> syscallDescs32({});
static SyscallDescTable<EmuFreebsd::SyscallABI32> syscallDescs32({});
static SyscallDescTable<ArmFreebsdProcess64::SyscallABI> syscallDescs64 = {
static SyscallDescTable<EmuFreebsd::SyscallABI64> syscallDescs64 = {
{ 1, "exit", exitFunc },
{ 3, "read", readFunc<ArmFreebsd64> },
{ 4, "write", writeFunc<ArmFreebsd64> },
@@ -150,40 +139,24 @@ static SyscallDescTable<ArmFreebsdProcess64::SyscallABI> syscallDescs64 = {
{ 477, "mmap", mmapFunc<ArmFreebsd64> }
};
ArmFreebsdProcess32::ArmFreebsdProcess32(const ProcessParams &params,
::Loader::ObjectFile *objFile, ::Loader::Arch _arch) :
ArmProcess32(params, objFile, _arch)
{}
ArmFreebsdProcess64::ArmFreebsdProcess64(const ProcessParams &params,
::Loader::ObjectFile *objFile, ::Loader::Arch _arch) :
ArmProcess64(params, objFile, _arch)
{}
void
ArmFreebsdProcess32::initState()
EmuFreebsd::syscall(ThreadContext *tc)
{
ArmProcess32::initState();
// The 32 bit equivalent of the comm page would be set up here.
Process *process = tc->getProcessPtr();
// Call the syscall function in the base Process class to update stats.
// This will move into the base SEWorkload function at some point.
process->Process::syscall(tc);
if (dynamic_cast<ArmProcess64 *>(process))
syscallDescs64.get(tc->readIntReg(INTREG_X8))->doSyscall(tc);
else
syscallDescs32.get(tc->readIntReg(INTREG_R7))->doSyscall(tc);
}
void
ArmFreebsdProcess64::initState()
{
ArmProcess64::initState();
// The 64 bit equivalent of the comm page would be set up here.
}
} // namespace ArmISA
void
ArmFreebsdProcess32::syscall(ThreadContext *tc)
ArmISA::EmuFreebsd *
ArmEmuFreebsdParams::create() const
{
ArmProcess32::syscall(tc);
syscallDescs32.get(tc->readIntReg(INTREG_R7))->doSyscall(tc);
}
void
ArmFreebsdProcess64::syscall(ThreadContext *tc)
{
ArmProcess64::syscall(tc);
syscallDescs64.get(tc->readIntReg(INTREG_X8))->doSyscall(tc);
return new ArmISA::EmuFreebsd(*this);
}

80
src/arch/arm/freebsd/process.hh → src/arch/arm/freebsd/se_workload.hh
View File

@@ -1,11 +1,12 @@
/*
* Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
* All rights reserved.
* Copyright 2015 Ruslan Bukin <br@bsdpad.com>
*
* 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).
*
* Copyright 2020 Google Inc.
*
* 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
@@ -30,26 +31,51 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __ARCH_ARM_FREEBSD_PROCESS_HH__
#define __ARCH_ARM_FREEBSD_PROCESS_HH__
#ifndef __ARCH_ARM_FREEBSD_SE_WORKLOAD_HH__
#define __ARCH_ARM_FREEBSD_SE_WORKLOAD_HH__
#include <vector>
#include "arch/arm/freebsd/freebsd.hh"
#include "arch/arm/registers.hh"
#include "arch/arm/se_workload.hh"
#include "params/ArmEmuFreebsd.hh"
#include "sim/syscall_desc.hh"
#include "arch/arm/process.hh"
namespace ArmISA
{
class ArmFreebsdProcessBits
class EmuFreebsd : public SEWorkload
{
public:
struct SyscallABI {};
using Params = ArmEmuFreebsdParams;
protected:
const Params &_params;
public:
const Params &params() const { return _params; }
EmuFreebsd(const Params &p) : SEWorkload(p), _params(p) {}
struct BaseSyscallABI {};
struct SyscallABI32 : public SEWorkload::SyscallABI32,
public BaseSyscallABI
{};
struct SyscallABI64 : public SEWorkload::SyscallABI64,
public BaseSyscallABI
{};
void syscall(ThreadContext *tc) override;
};
} // namespace ArmISA
namespace GuestABI
{
template <typename ABI>
struct Result<ABI, SyscallReturn,
typename std::enable_if_t<std::is_base_of<
ArmFreebsdProcessBits::SyscallABI, ABI>::value>>
ArmISA::EmuFreebsd::BaseSyscallABI, ABI>::value>>
{
static void
store(ThreadContext *tc, const SyscallReturn &ret)
@@ -73,38 +99,4 @@ struct Result<ABI, SyscallReturn,
} // namespace GuestABI
/// A process with emulated Arm/Freebsd syscalls.
class ArmFreebsdProcess32 : public ArmProcess32, public ArmFreebsdProcessBits
{
public:
ArmFreebsdProcess32(const ProcessParams &params,
::Loader::ObjectFile *objFile, ::Loader::Arch _arch);
void initState() override;
void syscall(ThreadContext *tc) override;
/// A page to hold "kernel" provided functions. The name might be wrong.
static const Addr commPage;
struct SyscallABI : public ArmProcess32::SyscallABI,
public ArmFreebsdProcessBits::SyscallABI
{};
};
/// A process with emulated Arm/Freebsd syscalls.
class ArmFreebsdProcess64 : public ArmProcess64, public ArmFreebsdProcessBits
{
public:
ArmFreebsdProcess64(const ProcessParams &params,
::Loader::ObjectFile *objFile, ::Loader::Arch _arch);
void initState() override;
void syscall(ThreadContext *tc) override;
struct SyscallABI : public ArmProcess64::SyscallABI,
public ArmFreebsdProcessBits::SyscallABI
{};
};
#endif // __ARCH_ARM_FREEBSD_PROCESS_HH__
#endif // __ARCH_ARM_FREEBSD_SE_WORKLOAD_HH__

826
src/arch/arm/linux/process.cc
View File

@@ -57,804 +57,6 @@
using namespace std;
using namespace ArmISA;
namespace
{
class ArmLinuxObjectFileLoader : public Process::Loader
{
public:
Process *
load(const ProcessParams &params, ::Loader::ObjectFile *obj_file) override
{
auto arch = obj_file->getArch();
auto opsys = obj_file->getOpSys();
if (arch != ::Loader::Arm && arch != ::Loader::Thumb &&
arch != ::Loader::Arm64) {
return nullptr;
}
if (opsys == ::Loader::UnknownOpSys) {
warn("Unknown operating system; assuming Linux.");
opsys = ::Loader::Linux;
}
if (opsys == ::Loader::LinuxArmOABI) {
fatal("gem5 does not support ARM OABI binaries. Please recompile "
"with an EABI compiler.");
}
if (opsys != ::Loader::Linux)
return nullptr;
if (arch == ::Loader::Arm64)
return new ArmLinuxProcess64(params, obj_file, arch);
else
return new ArmLinuxProcess32(params, obj_file, arch);
}
};
ArmLinuxObjectFileLoader loader;
} // anonymous namespace
/// Target uname() handler.
static SyscallReturn
unameFunc32(SyscallDesc *desc, ThreadContext *tc, VPtr<Linux::utsname> name)
{
auto process = tc->getProcessPtr();
strcpy(name->sysname, "Linux");
strcpy(name->nodename, "m5.eecs.umich.edu");
strcpy(name->release, process->release.c_str());
strcpy(name->version, "#1 SMP Sat Dec 1 00:00:00 GMT 2012");
strcpy(name->machine, "armv7l");
return 0;
}
/// Target uname() handler.
static SyscallReturn
unameFunc64(SyscallDesc *desc, ThreadContext *tc, VPtr<Linux::utsname> name)
{
auto process = tc->getProcessPtr();
strcpy(name->sysname, "Linux");
strcpy(name->nodename, "gem5");
strcpy(name->release, process->release.c_str());
strcpy(name->version, "#1 SMP Sat Dec 1 00:00:00 GMT 2012");
strcpy(name->machine, "armv8l");
return 0;
}
/// Target set_tls() handler.
static SyscallReturn
setTLSFunc32(SyscallDesc *desc, ThreadContext *tc, uint32_t tlsPtr)
{
tc->getVirtProxy().writeBlob(ArmLinuxProcess32::commPage + 0x0ff0,
&tlsPtr, sizeof(tlsPtr));
tc->setMiscReg(MISCREG_TPIDRURO, tlsPtr);
return 0;
}
static SyscallReturn
setTLSFunc64(SyscallDesc *desc, ThreadContext *tc, uint32_t tlsPtr)
{
tc->setMiscReg(MISCREG_TPIDRRO_EL0, tlsPtr);
return 0;
}
class SyscallTable32 :
public SyscallDescTable<ArmLinuxProcess32::SyscallABI>
{
public:
SyscallTable32(int base) :
SyscallDescTable<ArmLinuxProcess32::SyscallABI>({
{ base + 0, "syscall" },
{ base + 1, "exit", exitFunc },
{ base + 2, "fork" },
{ base + 3, "read", readFunc<ArmLinux32> },
{ base + 4, "write", writeFunc<ArmLinux32> },
{ base + 5, "open", openFunc<ArmLinux32> },
{ base + 6, "close", closeFunc },
{ base + 8, "creat" },
{ base + 9, "link" },
{ base + 10, "unlink", unlinkFunc },
{ base + 11, "execve", execveFunc<ArmLinux32> },
{ base + 12, "chdir" },
{ base + 13, "time", timeFunc<ArmLinux32> },
{ base + 14, "mknod" },
{ base + 15, "chmod", chmodFunc<ArmLinux32> },
{ base + 16, "lchown", chownFunc },
{ base + 19, "lseek", lseekFunc },
{ base + 20, "getpid", getpidFunc },
{ base + 21, "mount" },
{ base + 22, "umount" },
{ base + 23, "setuid", ignoreFunc },
{ base + 24, "getuid", getuidFunc },
{ base + 25, "stime" },
{ base + 26, "ptrace" },
{ base + 27, "alarm" },
{ base + 29, "pause" },
{ base + 30, "utime" },
{ base + 33, "access", accessFunc },
{ base + 34, "nice" },
{ base + 36, "sync" },
{ base + 37, "kill", ignoreFunc },
{ base + 38, "rename", renameFunc },
{ base + 39, "mkdir", mkdirFunc },
{ base + 40, "rmdir" },
{ base + 41, "dup", dupFunc },
{ base + 42, "pipe", pipePseudoFunc },
{ base + 43, "times", timesFunc<ArmLinux32> },
{ base + 45, "brk", brkFunc },
{ base + 46, "setgid" },
{ base + 47, "getgid", getgidFunc },
{ base + 49, "geteuid", geteuidFunc },
{ base + 50, "getegid", getegidFunc },
{ base + 51, "acct" },
{ base + 52, "umount2" },
{ base + 54, "ioctl", ioctlFunc<ArmLinux32> },
{ base + 55, "fcntl", fcntlFunc },
{ base + 57, "setpgid" },
{ base + 60, "umask", umaskFunc },
{ base + 61, "chroot" },
{ base + 62, "ustat" },
{ base + 63, "dup2" },
{ base + 64, "getppid", getppidFunc },
{ base + 65, "getpgrp" },
{ base + 66, "setsid" },
{ base + 67, "sigaction" },
{ base + 70, "setreuid" },
{ base + 71, "setregid" },
{ base + 72, "sigsuspend" },
{ base + 73, "sigpending" },
{ base + 74, "sethostname", ignoreFunc },
{ base + 75, "setrlimit", ignoreFunc },
{ base + 76, "getrlimit", getrlimitFunc<ArmLinux32> },
{ base + 77, "getrusage", getrusageFunc<ArmLinux32> },
{ base + 78, "gettimeofday", gettimeofdayFunc<ArmLinux32> },
{ base + 79, "settimeofday" },
{ base + 80, "getgroups" },
{ base + 81, "setgroups" },
{ base + 82, "reserved#82" },
{ base + 83, "symlink" },
{ base + 85, "readlink", readlinkFunc },
{ base + 86, "uselib" },
{ base + 87, "swapon" },
{ base + 88, "reboot" },
{ base + 89, "readdir" },
{ base + 90, "mmap", mmapFunc<ArmLinux32> },
{ base + 91, "munmap", munmapFunc },
{ base + 92, "truncate", truncateFunc },
{ base + 93, "ftruncate", ftruncateFunc },
{ base + 94, "fchmod" },
{ base + 95, "fchown" },
{ base + 96, "getpriority" },
{ base + 97, "setpriority" },
{ base + 99, "statfs" },
{ base + 100, "fstatfs" },
{ base + 102, "socketcall" },
{ base + 103, "syslog" },
{ base + 104, "setitimer" },
{ base + 105, "getitimer" },
{ base + 106, "stat", statFunc<ArmLinux32> },
{ base + 107, "lstat" },
{ base + 108, "fstat", fstatFunc<ArmLinux32> },
{ base + 111, "vhangup" },
{ base + 113, "syscall" },
{ base + 114, "wait4" },
{ base + 115, "swapoff" },
{ base + 116, "sysinfo", sysinfoFunc<ArmLinux32> },
{ base + 117, "ipc" },
{ base + 118, "fsync" },
{ base + 119, "sigreturn" },
{ base + 120, "clone", cloneBackwardsFunc<ArmLinux32> },
{ base + 121, "setdomainname" },
{ base + 122, "uname", unameFunc32 },
{ base + 124, "adjtimex" },
{ base + 125, "mprotect", ignoreFunc },
{ base + 126, "sigprocmask", ignoreWarnOnceFunc },
{ base + 128, "init_module" },
{ base + 129, "delete_module" },
{ base + 131, "quotactl" },
{ base + 132, "getpgid" },
{ base + 133, "fchdir" },
{ base + 134, "bdflush" },
{ base + 135, "sysfs" },
{ base + 136, "personality" },
{ base + 137, "reserved#138" },
{ base + 138, "setfsuid" },
{ base + 139, "setfsgid" },
{ base + 140, "llseek", _llseekFunc },
#if defined(SYS_getdents)
{ base + 141, "getdents", getdentsFunc },
#else
{ base + 141, "getdents" },
#endif
{ base + 142, "newselect" },
{ base + 143, "flock" },
{ base + 144, "msync" },
{ base + 145, "readv" },
{ base + 146, "writev", writevFunc<ArmLinux32> },
{ base + 147, "getsid" },
{ base + 148, "fdatasync" },
{ base + 149, "sysctl" },
{ base + 150, "mlock" },
{ base + 151, "munlock" },
{ base + 152, "mlockall" },
{ base + 153, "munlockall" },
{ base + 154, "sched_setparam", ignoreWarnOnceFunc },
{ base + 155, "sched_getparam", ignoreWarnOnceFunc },
{ base + 156, "sched_setscheduler", ignoreWarnOnceFunc },
{ base + 157, "sched_getscheduler", ignoreWarnOnceFunc },
{ base + 158, "sched_yield", ignoreWarnOnceFunc },
{ base + 159, "sched_get_priority_max", ignoreWarnOnceFunc },
{ base + 160, "sched_get_priority_min", ignoreWarnOnceFunc },
{ base + 161, "sched_rr_get_interval", ignoreWarnOnceFunc },
{ base + 162, "nanosleep", ignoreWarnOnceFunc },
{ base + 163, "mremap", mremapFunc<ArmLinux32> }, // ARM-specific
{ base + 164, "setresuid" },
{ base + 165, "getresuid" },
{ base + 168, "poll" },
{ base + 169, "nfsservctl" },
{ base + 170, "setresgid" },
{ base + 171, "getresgid" },
{ base + 172, "prctl" },
{ base + 173, "rt_sigreturn" },
{ base + 174, "rt_sigaction", ignoreWarnOnceFunc },
{ base + 175, "rt_sigprocmask", ignoreWarnOnceFunc },
{ base + 176, "rt_sigpending" },
{ base + 177, "rt_sigtimedwait" },
{ base + 178, "rt_sigqueueinfo", ignoreFunc },
{ base + 179, "rt_sigsuspend" },
{ base + 180, "pread64" },
{ base + 181, "pwrite64" },
{ base + 182, "chown" },
{ base + 183, "getcwd", getcwdFunc },
{ base + 184, "capget" },
{ base + 185, "capset" },
{ base + 186, "sigaltstack" },
{ base + 187, "sendfile" },
{ base + 190, "vfork" },
{ base + 191, "getrlimit", getrlimitFunc<ArmLinux32> },
{ base + 192, "mmap2", mmapFunc<ArmLinux32> },
{ base + 193, "truncate64" },
{ base + 194, "ftruncate64", ftruncate64Func },
{ base + 195, "stat64", stat64Func<ArmLinux32> },
{ base + 196, "lstat64", lstat64Func<ArmLinux32> },
{ base + 197, "fstat64", fstat64Func<ArmLinux32> },
{ base + 198, "lchown" },
{ base + 199, "getuid", getuidFunc },
{ base + 200, "getgid", getgidFunc },
{ base + 201, "geteuid", geteuidFunc },
{ base + 202, "getegid", getegidFunc },
{ base + 203, "setreuid" },
{ base + 204, "setregid" },
{ base + 205, "getgroups" },
{ base + 206, "setgroups" },
{ base + 207, "fchown" },
{ base + 208, "setresuid" },
{ base + 209, "getresuid" },
{ base + 210, "setresgid" },
{ base + 211, "getresgid" },
{ base + 212, "chown" },
{ base + 213, "setuid" },
{ base + 214, "setgid" },
{ base + 215, "setfsuid" },
{ base + 216, "setfsgid" },
#if defined(SYS_getdents64)
{ base + 217, "getdents64", getdents64Func },
#else
{ base + 217, "getdents64" },
#endif
{ base + 218, "pivot_root" },
{ base + 219, "mincore" },
{ base + 220, "madvise", ignoreFunc },
{ base + 221, "fcntl64", fcntl64Func },
{ base + 224, "gettid", gettidFunc },
{ base + 225, "readahead" },
{ base + 226, "setxattr" },
{ base + 227, "lsetxattr" },
{ base + 228, "fsetxattr" },
{ base + 229, "getxattr" },
{ base + 230, "lgetxattr" },
{ base + 231, "fgetxattr" },
{ base + 232, "listxattr" },
{ base + 233, "llistxattr" },
{ base + 234, "flistxattr" },
{ base + 235, "removexattr" },
{ base + 236, "lremovexattr" },
{ base + 237, "fremovexattr" },
{ base + 238, "tkill" },
{ base + 239, "sendfile64" },
{ base + 240, "futex", futexFunc<ArmLinux32> },
{ base + 241, "sched_setaffinity", ignoreWarnOnceFunc },
{ base + 242, "sched_getaffinity", ignoreFunc },
{ base + 243, "io_setup" },
{ base + 244, "io_destroy" },
{ base + 245, "io_getevents" },
{ base + 246, "io_submit" },
{ base + 247, "io_cancel" },
{ base + 248, "exit_group", exitGroupFunc },
{ base + 249, "lookup_dcookie" },
{ base + 250, "epoll_create" },
{ base + 251, "epoll_ctl" },
{ base + 252, "epoll_wait" },
{ base + 253, "remap_file_pages" },
{ base + 256, "set_tid_address", setTidAddressFunc },
{ base + 257, "timer_create" },
{ base + 258, "timer_settime" },
{ base + 259, "timer_gettime" },
{ base + 260, "timer_getoverrun" },
{ base + 261, "timer_delete" },
{ base + 262, "clock_settime" },
{ base + 263, "clock_gettime", clock_gettimeFunc<ArmLinux32> },
{ base + 264, "clock_getres", clock_getresFunc<ArmLinux32> },
{ base + 265, "clock_nanosleep" },
{ base + 266, "statfs64" },
{ base + 267, "fstatfs64" },
{ base + 268, "tgkill", tgkillFunc<ArmLinux32> },
{ base + 269, "utimes" },
{ base + 270, "arm_fadvise64_64" },
{ base + 271, "pciconfig_iobase" },
{ base + 272, "pciconfig_read" },
{ base + 273, "pciconfig_write" },
{ base + 274, "mq_open" },
{ base + 275, "mq_unlink" },
{ base + 276, "mq_timedsend" },
{ base + 277, "mq_timedreceive" },
{ base + 278, "mq_notify" },
{ base + 279, "mq_getsetattr" },
{ base + 280, "waitid" },
{ base + 281, "socket" },
{ base + 282, "bind" },
{ base + 283, "connect" },
{ base + 284, "listen" },
{ base + 285, "accept" },
{ base + 286, "getsockname" },
{ base + 287, "getpeername" },
{ base + 288, "socketpair" },
{ base + 289, "send" },
{ base + 290, "sendto" },
{ base + 291, "recv" },
{ base + 292, "recvfrom" },
{ base + 293, "shutdown" },
{ base + 294, "setsockopt" },
{ base + 295, "getsockopt" },
{ base + 296, "sendmsg" },
{ base + 297, "rcvmsg" },
{ base + 298, "semop" },
{ base + 299, "semget" },
{ base + 300, "semctl" },
{ base + 301, "msgsend" },
{ base + 302, "msgrcv" },
{ base + 303, "msgget" },
{ base + 304, "msgctl" },
{ base + 305, "shmat" },
{ base + 306, "shmdt" },
{ base + 307, "shmget" },
{ base + 308, "shmctl" },
{ base + 309, "add_key" },
{ base + 310, "request_key" },
{ base + 311, "keyctl" },
{ base + 312, "semtimedop" },
{ base + 314, "ioprio_set" },
{ base + 315, "ioprio_get" },
{ base + 316, "inotify_init" },
{ base + 317, "inotify_add_watch" },
{ base + 318, "inotify_rm_watch" },
{ base + 319, "mbind" },
{ base + 320, "get_mempolicy" },
{ base + 321, "set_mempolicy" },
{ base + 322, "openat", openatFunc<ArmLinux32> },
{ base + 323, "mkdirat" },
{ base + 324, "mknodat" },
{ base + 325, "fchownat" },
{ base + 326, "futimesat" },
{ base + 327, "fstatat64" },
{ base + 328, "unlinkat" },
{ base + 329, "renameat" },
{ base + 330, "linkat" },
{ base + 331, "symlinkat" },
{ base + 332, "readlinkat" },
{ base + 333, "fchmodat" },
{ base + 334, "faccessat" },
{ base + 335, "pselect6" },
{ base + 336, "ppoll" },
{ base + 337, "unshare" },
{ base + 338, "set_robust_list", ignoreFunc },
{ base + 339, "get_robust_list" },
{ base + 340, "splice" },
{ base + 341, "arm_sync_file_range" },
{ base + 342, "tee" },
{ base + 343, "vmsplice" },
{ base + 344, "move_pages" },
{ base + 345, "getcpu", getcpuFunc },
{ base + 346, "epoll_pwait" },
{ base + 347, "sys_kexec_load" },
{ base + 348, "sys_utimensat" },
{ base + 349, "sys_signalfd" },
{ base + 350, "sys_timerfd_create" },
{ base + 351, "sys_eventfd" },
{ base + 352, "sys_fallocate" },
{ base + 353, "sys_timerfd_settime" },
{ base + 354, "sys_timerfd_gettime" },
{ base + 355, "sys_signalfd4" },
{ base + 356, "sys_eventfd2" },
{ base + 357, "sys_epoll_create1" },
{ base + 358, "sys_dup3" },
{ base + 359, "sys_pipe2" },
{ base + 360, "sys_inotify_init1" },
{ base + 361, "sys_preadv" },
{ base + 362, "sys_pwritev" },
{ base + 363, "sys_rt_tgsigqueueinfo" },
{ base + 364, "sys_perf_event_open" },
{ base + 365, "sys_recvmmsg" },
})
{}
};
static SyscallTable32 syscallDescs32Low(0), syscallDescs32High(0x900000);
class SyscallTable64 :
public SyscallDescTable<ArmLinuxProcess64::SyscallABI>
{
public:
SyscallTable64(int base) :
SyscallDescTable<ArmLinuxProcess64::SyscallABI>({
{ base + 0, "io_setup" },
{ base + 1, "io_destroy" },
{ base + 2, "io_submit" },
{ base + 3, "io_cancel" },
{ base + 4, "io_getevents" },
{ base + 5, "setxattr" },
{ base + 6, "lsetxattr" },
{ base + 7, "fsetxattr" },
{ base + 8, "getxattr" },
{ base + 9, "lgetxattr" },
{ base + 10, "fgetxattr" },
{ base + 11, "listxattr" },
{ base + 12, "llistxattr" },
{ base + 13, "flistxattr" },
{ base + 14, "removexattr" },
{ base + 15, "lremovexattr" },
{ base + 16, "fremovexattr" },
{ base + 17, "getcwd", getcwdFunc },
{ base + 18, "lookup_dcookie" },
{ base + 19, "eventfd2" },
{ base + 20, "epoll_create1" },
{ base + 21, "epoll_ctl" },
{ base + 22, "epoll_pwait" },
{ base + 23, "dup", dupFunc },
{ base + 24, "dup3" },
{ base + 25, "fcntl64", fcntl64Func },
{ base + 26, "inotify_init1" },
{ base + 27, "inotify_add_watch" },
{ base + 28, "inotify_rm_watch" },
{ base + 29, "ioctl", ioctlFunc<ArmLinux64> },
{ base + 30, "ioprio_set" },
{ base + 31, "ioprio_get" },
{ base + 32, "flock" },
{ base + 33, "mknodat" },
{ base + 34, "mkdirat" },
{ base + 35, "unlinkat", unlinkatFunc<ArmLinux64> },
{ base + 36, "symlinkat" },
{ base + 37, "linkat" },
{ base + 38, "renameat", renameatFunc<ArmLinux64> },
{ base + 39, "umount2" },
{ base + 40, "mount" },
{ base + 41, "pivot_root" },
{ base + 42, "nfsservctl" },
{ base + 43, "statfs64" },
{ base + 44, "fstatfs64" },
{ base + 45, "truncate64" },
{ base + 46, "ftruncate64", ftruncate64Func },
{ base + 47, "fallocate" },
{ base + 48, "faccessat", faccessatFunc<ArmLinux64> },
{ base + 49, "chdir" },
{ base + 50, "fchdir" },
{ base + 51, "chroot" },
{ base + 52, "fchmod" },
{ base + 53, "fchmodat" },
{ base + 54, "fchownat" },
{ base + 55, "fchown" },
{ base + 56, "openat", openatFunc<ArmLinux64> },
{ base + 57, "close", closeFunc },
{ base + 58, "vhangup" },
{ base + 59, "pipe2" },
{ base + 60, "quotactl" },
#if defined(SYS_getdents64)
{ base + 61, "getdents64", getdents64Func },
#else
{ base + 61, "getdents64" },
#endif
{ base + 62, "llseek", lseekFunc },
{ base + 63, "read", readFunc<ArmLinux64> },
{ base + 64, "write", writeFunc<ArmLinux64> },
{ base + 65, "readv" },
{ base + 66, "writev", writevFunc<ArmLinux64> },
{ base + 67, "pread64" },
{ base + 68, "pwrite64" },
{ base + 69, "preadv" },
{ base + 70, "pwritev" },
{ base + 71, "sendfile64" },
{ base + 72, "pselect6" },
{ base + 73, "ppoll" },
{ base + 74, "signalfd4" },
{ base + 75, "vmsplice" },
{ base + 76, "splice" },
{ base + 77, "tee" },
{ base + 78, "readlinkat", readlinkatFunc<ArmLinux64> },
{ base + 79, "fstatat64", fstatat64Func<ArmLinux64> },
{ base + 80, "fstat64", fstat64Func<ArmLinux64> },
{ base + 81, "sync" },
{ base + 82, "fsync" },
{ base + 83, "fdatasync" },
{ base + 84, "sync_file_range" },
{ base + 85, "timerfd_create" },
{ base + 86, "timerfd_settime" },
{ base + 87, "timerfd_gettime" },
{ base + 88, "utimensat" },
{ base + 89, "acct" },
{ base + 90, "capget" },
{ base + 91, "capset" },
{ base + 92, "personality" },
{ base + 93, "exit", exitFunc },
{ base + 94, "exit_group", exitGroupFunc },
{ base + 95, "waitid" },
{ base + 96, "set_tid_address", setTidAddressFunc },
{ base + 97, "unshare" },
{ base + 98, "futex", futexFunc<ArmLinux64> },
{ base + 99, "set_robust_list", ignoreFunc },
{ base + 100, "get_robust_list" },
{ base + 101, "nanosleep", ignoreWarnOnceFunc },
{ base + 102, "getitimer" },
{ base + 103, "setitimer" },
{ base + 104, "kexec_load" },
{ base + 105, "init_module" },
{ base + 106, "delete_module" },
{ base + 107, "timer_create" },
{ base + 108, "timer_gettime" },
{ base + 109, "timer_getoverrun" },
{ base + 110, "timer_settime" },
{ base + 111, "timer_delete" },
{ base + 112, "clock_settime" },
{ base + 113, "clock_gettime", clock_gettimeFunc<ArmLinux64> },
{ base + 114, "clock_getres" },
{ base + 115, "clock_nanosleep" },
{ base + 116, "syslog" },
{ base + 117, "ptrace" },
{ base + 118, "sched_setparam", ignoreWarnOnceFunc },
{ base + 119, "sched_setscheduler", ignoreWarnOnceFunc },
{ base + 120, "sched_getscheduler", ignoreWarnOnceFunc },
{ base + 121, "sched_getparam", ignoreWarnOnceFunc },
{ base + 122, "sched_setaffinity", ignoreWarnOnceFunc },
{ base + 123, "sched_getaffinity", ignoreFunc },
{ base + 124, "sched_yield", ignoreWarnOnceFunc },
{ base + 125, "sched_get_priority_max", ignoreWarnOnceFunc },
{ base + 126, "sched_get_priority_min", ignoreWarnOnceFunc },
{ base + 127, "sched_rr_get_interval", ignoreWarnOnceFunc },
{ base + 128, "restart_syscall" },
{ base + 129, "kill", ignoreFunc },
{ base + 130, "tkill" },
{ base + 131, "tgkill", tgkillFunc<ArmLinux64> },
{ base + 132, "sigaltstack" },
{ base + 133, "rt_sigsuspend" },
{ base + 134, "rt_sigaction", ignoreFunc },
{ base + 135, "rt_sigprocmask", ignoreWarnOnceFunc },
{ base + 136, "rt_sigpending" },
{ base + 137, "rt_sigtimedwait" },
{ base + 138, "rt_sigqueueinfo", ignoreFunc },
{ base + 139, "rt_sigreturn" },
{ base + 140, "setpriority" },
{ base + 141, "getpriority" },
{ base + 142, "reboot" },
{ base + 143, "setregid" },
{ base + 144, "setgid" },
{ base + 145, "setreuid" },
{ base + 146, "setuid" },
{ base + 147, "setresuid" },
{ base + 148, "getresuid" },
{ base + 149, "setresgid" },
{ base + 150, "getresgid" },
{ base + 151, "setfsuid" },
{ base + 152, "setfsgid" },
{ base + 153, "times", timesFunc<ArmLinux64> },
{ base + 154, "setpgid" },
{ base + 155, "getpgid" },
{ base + 156, "getsid" },
{ base + 157, "setsid" },
{ base + 158, "getgroups" },
{ base + 159, "setgroups" },
{ base + 160, "uname", unameFunc64 },
{ base + 161, "sethostname", ignoreFunc },
{ base + 162, "setdomainname" },
{ base + 163, "getrlimit", getrlimitFunc<ArmLinux64> },
{ base + 164, "setrlimit", ignoreFunc },
{ base + 165, "getrusage", getrusageFunc<ArmLinux64> },
{ base + 166, "umask" },
{ base + 167, "prctl" },
{ base + 168, "getcpu", getcpuFunc },
{ base + 169, "gettimeofday", gettimeofdayFunc<ArmLinux64> },
{ base + 170, "settimeofday" },
{ base + 171, "adjtimex" },
{ base + 172, "getpid", getpidFunc },
{ base + 173, "getppid", getppidFunc },
{ base + 174, "getuid", getuidFunc },
{ base + 175, "geteuid", geteuidFunc },
{ base + 176, "getgid", getgidFunc },
{ base + 177, "getegid", getegidFunc },
{ base + 178, "gettid", gettidFunc },
{ base + 179, "sysinfo", sysinfoFunc<ArmLinux64> },
{ base + 180, "mq_open" },
{ base + 181, "mq_unlink" },
{ base + 182, "mq_timedsend" },
{ base + 183, "mq_timedreceive" },
{ base + 184, "mq_notify" },
{ base + 185, "mq_getsetattr" },
{ base + 186, "msgget" },
{ base + 187, "msgctl" },
{ base + 188, "msgrcv" },
{ base + 189, "msgsnd" },
{ base + 190, "semget" },
{ base + 191, "semctl" },
{ base + 192, "semtimedop" },
{ base + 193, "semop" },
{ base + 194, "shmget" },
{ base + 195, "shmctl" },
{ base + 196, "shmat" },
{ base + 197, "shmdt" },
{ base + 198, "socket" },
{ base + 199, "socketpair" },
{ base + 200, "bind" },
{ base + 201, "listen" },
{ base + 202, "accept" },
{ base + 203, "connect" },
{ base + 204, "getsockname" },
{ base + 205, "getpeername" },
{ base + 206, "sendto" },
{ base + 207, "recvfrom" },
{ base + 208, "setsockopt" },
{ base + 209, "getsockopt" },
{ base + 210, "shutdown" },
{ base + 211, "sendmsg" },
{ base + 212, "recvmsg" },
{ base + 213, "readahead" },
{ base + 214, "brk", brkFunc },
{ base + 215, "munmap", munmapFunc },
{ base + 216, "mremap", mremapFunc<ArmLinux64> },
{ base + 217, "add_key" },
{ base + 218, "request_key" },
{ base + 219, "keyctl" },
{ base + 220, "clone", cloneBackwardsFunc<ArmLinux64> },
{ base + 221, "execve", execveFunc<ArmLinux64> },
{ base + 222, "mmap2", mmapFunc<ArmLinux64> },
{ base + 223, "fadvise64_64" },
{ base + 224, "swapon" },
{ base + 225, "swapoff" },
{ base + 226, "mprotect", ignoreFunc },
{ base + 227, "msync" },
{ base + 228, "mlock" },
{ base + 229, "munlock" },
{ base + 230, "mlockall" },
{ base + 231, "munlockall" },
{ base + 232, "mincore" },
{ base + 233, "madvise", ignoreFunc },
{ base + 234, "remap_file_pages" },
{ base + 235, "mbind" },
{ base + 236, "get_mempolicy" },
{ base + 237, "set_mempolicy" },
{ base + 238, "migrate_pages" },
{ base + 239, "move_pages" },
{ base + 240, "rt_tgsigqueueinfo" },
{ base + 241, "perf_event_open" },
{ base + 242, "accept4" },
{ base + 243, "recvmmsg" },
{ base + 260, "wait4" },
{ base + 261, "prlimit64", prlimitFunc<ArmLinux64> },
{ base + 262, "fanotify_init" },
{ base + 263, "fanotify_mark" },
{ base + 264, "name_to_handle_at" },
{ base + 265, "open_by_handle_at" },
{ base + 266, "clock_adjtime" },
{ base + 267, "syncfs" },
{ base + 268, "setns" },
{ base + 269, "sendmmsg" },
{ base + 270, "process_vm_readv" },
{ base + 271, "process_vm_writev" },
{ base + 1024, "open", openFunc<ArmLinux64> },
{ base + 1025, "link" },
{ base + 1026, "unlink", unlinkFunc },
{ base + 1027, "mknod" },
{ base + 1028, "chmod", chmodFunc<ArmLinux64> },
{ base + 1029, "chown" },
{ base + 1030, "mkdir", mkdirFunc },
{ base + 1031, "rmdir" },
{ base + 1032, "lchown" },
{ base + 1033, "access", accessFunc },
{ base + 1034, "rename", renameFunc },
{ base + 1035, "readlink", readlinkFunc },
{ base + 1036, "symlink" },
{ base + 1037, "utimes" },
{ base + 1038, "stat64", stat64Func<ArmLinux64> },
{ base + 1039, "lstat64", lstat64Func<ArmLinux64> },
{ base + 1040, "pipe", pipePseudoFunc },
{ base + 1041, "dup2" },
{ base + 1042, "epoll_create" },
{ base + 1043, "inotify_init" },
{ base + 1044, "eventfd" },
{ base + 1045, "signalfd" },
{ base + 1046, "sendfile" },
{ base + 1047, "ftruncate", ftruncateFunc },
{ base + 1048, "truncate", truncateFunc },
{ base + 1049, "stat", statFunc<ArmLinux64> },
{ base + 1050, "lstat" },
{ base + 1051, "fstat", fstatFunc<ArmLinux64> },
{ base + 1052, "fcntl", fcntlFunc },
{ base + 1053, "fadvise64" },
{ base + 1054, "newfstatat" },
{ base + 1055, "fstatfs" },
{ base + 1056, "statfs" },
{ base + 1057, "lseek", lseekFunc },
{ base + 1058, "mmap", mmapFunc<ArmLinux64> },
{ base + 1059, "alarm" },
{ base + 1060, "getpgrp" },
{ base + 1061, "pause" },
{ base + 1062, "time", timeFunc<ArmLinux64> },
{ base + 1063, "utime" },
{ base + 1064, "creat" },
#if defined(SYS_getdents)
{ base + 1065, "getdents", getdentsFunc },
#else
{ base + 1065, "getdents" },
#endif
{ base + 1066, "futimesat" },
{ base + 1067, "select" },
{ base + 1068, "poll" },
{ base + 1069, "epoll_wait" },
{ base + 1070, "ustat" },
{ base + 1071, "vfork" },
{ base + 1072, "oldwait4" },
{ base + 1073, "recv" },
{ base + 1074, "send" },
{ base + 1075, "bdflush" },
{ base + 1076, "umount" },
{ base + 1077, "uselib" },
{ base + 1078, "_sysctl" },
{ base + 1079, "fork" }
})
{}
};
static SyscallTable64 syscallDescs64Low(0), syscallDescs64High(0x900000);
static SyscallDescTable<ArmLinuxProcess32::SyscallABI> privSyscallDescs32 = {
{ 0xf0001, "breakpoint" },
{ 0xf0002, "cacheflush" },
{ 0xf0003, "usr26" },
{ 0xf0004, "usr32" },
{ 0xf0005, "set_tls", setTLSFunc32 },
};
// Indices 1, 3 and 4 are unallocated.
static SyscallDescTable<ArmLinuxProcess64::SyscallABI> privSyscallDescs64 = {
{ 0x1002, "cacheflush" },
{ 0x1005, "set_tls", setTLSFunc64 }
};
ArmLinuxProcess32::ArmLinuxProcess32(const ProcessParams &params,
::Loader::ObjectFile *objFile, ::Loader::Arch _arch) :
ArmProcess32(params, objFile, _arch)
{}
ArmLinuxProcess64::ArmLinuxProcess64(const ProcessParams &params,
::Loader::ObjectFile *objFile, ::Loader::Arch _arch) :
ArmProcess64(params, objFile, _arch)
{}
const Addr ArmLinuxProcess32::commPage = 0xffff0000;
void
@@ -910,31 +112,3 @@ ArmLinuxProcess64::initState()
ArmProcess64::initState();
// The 64 bit equivalent of the comm page would be set up here.
}
void
ArmLinuxProcess32::syscall(ThreadContext *tc)
{
ArmProcess32::syscall(tc);
int num = tc->readIntReg(INTREG_R7);
SyscallDesc *desc = syscallDescs32Low.get(num, false);
if (!desc)
desc = syscallDescs32Low.get(num, false);
if (!desc)
desc = privSyscallDescs32.get(num);
desc->doSyscall(tc);
}
void
ArmLinuxProcess64::syscall(ThreadContext *tc)
{
ArmProcess64::syscall(tc);
int num = tc->readIntReg(INTREG_X8);
SyscallDesc *desc = syscallDescs64Low.get(num, false);
if (!desc)
desc = syscallDescs64Low.get(num, false);
if (!desc)
desc = privSyscallDescs64.get(num);
desc->doSyscall(tc);
}

51
src/arch/arm/linux/process.hh
View File

@@ -45,66 +45,31 @@
#include "arch/arm/process.hh"
class ArmLinuxProcessBits
{
public:
struct SyscallABI {};
};
namespace GuestABI
{
template <typename ABI>
struct Result<ABI, SyscallReturn,
typename std::enable_if_t<std::is_base_of<
ArmLinuxProcessBits::SyscallABI, ABI>::value>>
{
static void
store(ThreadContext *tc, const SyscallReturn &ret)
{
if (ret.suppressed() || ret.needsRetry())
return;
tc->setIntReg(ArmISA::ReturnValueReg, ret.encodedValue());
if (ret.count() > 1)
tc->setIntReg(ArmISA::SyscallPseudoReturnReg, ret.value2());
}
};
} // namespace GuestABI
/// A process with emulated Arm/Linux syscalls.
class ArmLinuxProcess32 : public ArmProcess32, public ArmLinuxProcessBits
class ArmLinuxProcess32 : public ArmProcess32
{
public:
ArmLinuxProcess32(const ProcessParams &params,
::Loader::ObjectFile *objFile, ::Loader::Arch _arch);
::Loader::ObjectFile *objFile, ::Loader::Arch _arch) :
ArmProcess32(params, objFile, _arch)
{}
void initState() override;
void syscall(ThreadContext *tc) override;
/// A page to hold "kernel" provided functions. The name might be wrong.
static const Addr commPage;
struct SyscallABI : public ArmProcess32::SyscallABI,
public ArmLinuxProcessBits::SyscallABI
{};
};
/// A process with emulated Arm/Linux syscalls.
class ArmLinuxProcess64 : public ArmProcess64, public ArmLinuxProcessBits
class ArmLinuxProcess64 : public ArmProcess64
{
public:
ArmLinuxProcess64(const ProcessParams &params,
::Loader::ObjectFile *objFile, ::Loader::Arch _arch);
::Loader::ObjectFile *objFile, ::Loader::Arch _arch) :
ArmProcess64(params, objFile, _arch)
{}
void initState() override;
void syscall(ThreadContext *tc) override;
struct SyscallABI : public ArmProcess64::SyscallABI,
public ArmLinuxProcessBits::SyscallABI
{};
};
#endif // __ARM_LINUX_PROCESS_HH__

871
src/arch/arm/linux/se_workload.cc Normal file
View File

@@ -0,0 +1,871 @@
/*
* Copyright 2010-2013, 2015, 2020 ARM Limited
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* Copyright 2003-2005 The Regents of The University of Michigan
* Copyright 2007-2008 The Florida State University
* Copyright 2020 Google Inc.
*
* 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/linux/se_workload.hh"
#include <sys/syscall.h>
#include "arch/arm/linux/process.hh"
#include "base/loader/object_file.hh"
#include "base/trace.hh"
#include "cpu/thread_context.hh"
#include "sim/syscall_emul.hh"
namespace
{
class LinuxLoader : public Process::Loader
{
public:
Process *
load(const ProcessParams &params, ::Loader::ObjectFile *obj) override
{
auto arch = obj->getArch();
auto opsys = obj->getOpSys();
if (arch != ::Loader::Arm && arch != ::Loader::Thumb &&
arch != ::Loader::Arm64) {
return nullptr;
}
if (opsys == ::Loader::UnknownOpSys) {
warn("Unknown operating system; assuming Linux.");
opsys = ::Loader::Linux;
}
if (opsys == ::Loader::LinuxArmOABI) {
fatal("gem5 does not support ARM OABI binaries. Please recompile "
"with an EABI compiler.");
}
if (opsys != ::Loader::Linux)
return nullptr;
if (arch == ::Loader::Arm64)
return new ArmLinuxProcess64(params, obj, arch);
else
return new ArmLinuxProcess32(params, obj, arch);
}
};
LinuxLoader loader;
} // anonymous namespace
namespace ArmISA
{
/// Target uname() handler.
static SyscallReturn
unameFunc32(SyscallDesc *desc, ThreadContext *tc, VPtr<Linux::utsname> name)
{
auto process = tc->getProcessPtr();
strcpy(name->sysname, "Linux");
strcpy(name->nodename, "m5.eecs.umich.edu");
strcpy(name->release, process->release.c_str());
strcpy(name->version, "#1 SMP Sat Dec 1 00:00:00 GMT 2012");
strcpy(name->machine, "armv7l");
return 0;
}
/// Target uname() handler.
static SyscallReturn
unameFunc64(SyscallDesc *desc, ThreadContext *tc, VPtr<Linux::utsname> name)
{
auto process = tc->getProcessPtr();
strcpy(name->sysname, "Linux");
strcpy(name->nodename, "gem5");
strcpy(name->release, process->release.c_str());
strcpy(name->version, "#1 SMP Sat Dec 1 00:00:00 GMT 2012");
strcpy(name->machine, "armv8l");
return 0;
}
/// Target set_tls() handler.
static SyscallReturn
setTLSFunc32(SyscallDesc *desc, ThreadContext *tc, uint32_t tlsPtr)
{
tc->getVirtProxy().writeBlob(ArmLinuxProcess32::commPage + 0x0ff0,
&tlsPtr, sizeof(tlsPtr));
tc->setMiscReg(MISCREG_TPIDRURO, tlsPtr);
return 0;
}
static SyscallReturn
setTLSFunc64(SyscallDesc *desc, ThreadContext *tc, uint32_t tlsPtr)
{
tc->setMiscReg(MISCREG_TPIDRRO_EL0, tlsPtr);
return 0;
}
class SyscallTable32 : public SyscallDescTable<EmuLinux::SyscallABI32>
{
public:
SyscallTable32(int base) : SyscallDescTable<EmuLinux::SyscallABI32>({
{ base + 0, "syscall" },
{ base + 1, "exit", exitFunc },
{ base + 2, "fork" },
{ base + 3, "read", readFunc<ArmLinux32> },
{ base + 4, "write", writeFunc<ArmLinux32> },
{ base + 5, "open", openFunc<ArmLinux32> },
{ base + 6, "close", closeFunc },
{ base + 8, "creat" },
{ base + 9, "link" },
{ base + 10, "unlink", unlinkFunc },
{ base + 11, "execve", execveFunc<ArmLinux32> },
{ base + 12, "chdir" },
{ base + 13, "time", timeFunc<ArmLinux32> },
{ base + 14, "mknod" },
{ base + 15, "chmod", chmodFunc<ArmLinux32> },
{ base + 16, "lchown", chownFunc },
{ base + 19, "lseek", lseekFunc },
{ base + 20, "getpid", getpidFunc },
{ base + 21, "mount" },
{ base + 22, "umount" },
{ base + 23, "setuid", ignoreFunc },
{ base + 24, "getuid", getuidFunc },
{ base + 25, "stime" },
{ base + 26, "ptrace" },
{ base + 27, "alarm" },
{ base + 29, "pause" },
{ base + 30, "utime" },
{ base + 33, "access", accessFunc },
{ base + 34, "nice" },
{ base + 36, "sync" },
{ base + 37, "kill", ignoreFunc },
{ base + 38, "rename", renameFunc },
{ base + 39, "mkdir", mkdirFunc },
{ base + 40, "rmdir" },
{ base + 41, "dup", dupFunc },
{ base + 42, "pipe", pipePseudoFunc },
{ base + 43, "times", timesFunc<ArmLinux32> },
{ base + 45, "brk", brkFunc },
{ base + 46, "setgid" },
{ base + 47, "getgid", getgidFunc },
{ base + 49, "geteuid", geteuidFunc },
{ base + 50, "getegid", getegidFunc },
{ base + 51, "acct" },
{ base + 52, "umount2" },
{ base + 54, "ioctl", ioctlFunc<ArmLinux32> },
{ base + 55, "fcntl", fcntlFunc },
{ base + 57, "setpgid" },
{ base + 60, "umask", umaskFunc },
{ base + 61, "chroot" },
{ base + 62, "ustat" },
{ base + 63, "dup2" },
{ base + 64, "getppid", getppidFunc },
{ base + 65, "getpgrp" },
{ base + 66, "setsid" },
{ base + 67, "sigaction" },
{ base + 70, "setreuid" },
{ base + 71, "setregid" },
{ base + 72, "sigsuspend" },
{ base + 73, "sigpending" },
{ base + 74, "sethostname", ignoreFunc },
{ base + 75, "setrlimit", ignoreFunc },
{ base + 76, "getrlimit", getrlimitFunc<ArmLinux32> },
{ base + 77, "getrusage", getrusageFunc<ArmLinux32> },
{ base + 78, "gettimeofday", gettimeofdayFunc<ArmLinux32> },
{ base + 79, "settimeofday" },
{ base + 80, "getgroups" },
{ base + 81, "setgroups" },
{ base + 82, "reserved#82" },
{ base + 83, "symlink" },
{ base + 85, "readlink", readlinkFunc },
{ base + 86, "uselib" },
{ base + 87, "swapon" },
{ base + 88, "reboot" },
{ base + 89, "readdir" },
{ base + 90, "mmap", mmapFunc<ArmLinux32> },
{ base + 91, "munmap", munmapFunc },
{ base + 92, "truncate", truncateFunc },
{ base + 93, "ftruncate", ftruncateFunc },
{ base + 94, "fchmod" },
{ base + 95, "fchown" },
{ base + 96, "getpriority" },
{ base + 97, "setpriority" },
{ base + 99, "statfs" },
{ base + 100, "fstatfs" },
{ base + 102, "socketcall" },
{ base + 103, "syslog" },
{ base + 104, "setitimer" },
{ base + 105, "getitimer" },
{ base + 106, "stat", statFunc<ArmLinux32> },
{ base + 107, "lstat" },
{ base + 108, "fstat", fstatFunc<ArmLinux32> },
{ base + 111, "vhangup" },
{ base + 113, "syscall" },
{ base + 114, "wait4" },
{ base + 115, "swapoff" },
{ base + 116, "sysinfo", sysinfoFunc<ArmLinux32> },
{ base + 117, "ipc" },
{ base + 118, "fsync" },
{ base + 119, "sigreturn" },
{ base + 120, "clone", cloneBackwardsFunc<ArmLinux32> },
{ base + 121, "setdomainname" },
{ base + 122, "uname", unameFunc32 },
{ base + 124, "adjtimex" },
{ base + 125, "mprotect", ignoreFunc },
{ base + 126, "sigprocmask", ignoreWarnOnceFunc },
{ base + 128, "init_module" },
{ base + 129, "delete_module" },
{ base + 131, "quotactl" },
{ base + 132, "getpgid" },
{ base + 133, "fchdir" },
{ base + 134, "bdflush" },
{ base + 135, "sysfs" },
{ base + 136, "personality" },
{ base + 137, "reserved#138" },
{ base + 138, "setfsuid" },
{ base + 139, "setfsgid" },
{ base + 140, "llseek", _llseekFunc },
#if defined(SYS_getdents)
{ base + 141, "getdents", getdentsFunc },
#else
{ base + 141, "getdents" },
#endif
{ base + 142, "newselect" },
{ base + 143, "flock" },
{ base + 144, "msync" },
{ base + 145, "readv" },
{ base + 146, "writev", writevFunc<ArmLinux32> },
{ base + 147, "getsid" },
{ base + 148, "fdatasync" },
{ base + 149, "sysctl" },
{ base + 150, "mlock" },
{ base + 151, "munlock" },
{ base + 152, "mlockall" },
{ base + 153, "munlockall" },
{ base + 154, "sched_setparam", ignoreWarnOnceFunc },
{ base + 155, "sched_getparam", ignoreWarnOnceFunc },
{ base + 156, "sched_setscheduler", ignoreWarnOnceFunc },
{ base + 157, "sched_getscheduler", ignoreWarnOnceFunc },
{ base + 158, "sched_yield", ignoreWarnOnceFunc },
{ base + 159, "sched_get_priority_max", ignoreWarnOnceFunc },
{ base + 160, "sched_get_priority_min", ignoreWarnOnceFunc },
{ base + 161, "sched_rr_get_interval", ignoreWarnOnceFunc },
{ base + 162, "nanosleep", ignoreWarnOnceFunc },
{ base + 163, "mremap", mremapFunc<ArmLinux32> }, // ARM-specific
{ base + 164, "setresuid" },
{ base + 165, "getresuid" },
{ base + 168, "poll" },
{ base + 169, "nfsservctl" },
{ base + 170, "setresgid" },
{ base + 171, "getresgid" },
{ base + 172, "prctl" },
{ base + 173, "rt_sigreturn" },
{ base + 174, "rt_sigaction", ignoreWarnOnceFunc },
{ base + 175, "rt_sigprocmask", ignoreWarnOnceFunc },
{ base + 176, "rt_sigpending" },
{ base + 177, "rt_sigtimedwait" },
{ base + 178, "rt_sigqueueinfo", ignoreFunc },
{ base + 179, "rt_sigsuspend" },
{ base + 180, "pread64" },
{ base + 181, "pwrite64" },
{ base + 182, "chown" },
{ base + 183, "getcwd", getcwdFunc },
{ base + 184, "capget" },
{ base + 185, "capset" },
{ base + 186, "sigaltstack" },
{ base + 187, "sendfile" },
{ base + 190, "vfork" },
{ base + 191, "getrlimit", getrlimitFunc<ArmLinux32> },
{ base + 192, "mmap2", mmapFunc<ArmLinux32> },
{ base + 193, "truncate64" },
{ base + 194, "ftruncate64", ftruncate64Func },
{ base + 195, "stat64", stat64Func<ArmLinux32> },
{ base + 196, "lstat64", lstat64Func<ArmLinux32> },
{ base + 197, "fstat64", fstat64Func<ArmLinux32> },
{ base + 198, "lchown" },
{ base + 199, "getuid", getuidFunc },
{ base + 200, "getgid", getgidFunc },
{ base + 201, "geteuid", geteuidFunc },
{ base + 202, "getegid", getegidFunc },
{ base + 203, "setreuid" },
{ base + 204, "setregid" },
{ base + 205, "getgroups" },
{ base + 206, "setgroups" },
{ base + 207, "fchown" },
{ base + 208, "setresuid" },
{ base + 209, "getresuid" },
{ base + 210, "setresgid" },
{ base + 211, "getresgid" },
{ base + 212, "chown" },
{ base + 213, "setuid" },
{ base + 214, "setgid" },
{ base + 215, "setfsuid" },
{ base + 216, "setfsgid" },
#if defined(SYS_getdents64)
{ base + 217, "getdents64", getdents64Func },
#else
{ base + 217, "getdents64" },
#endif
{ base + 218, "pivot_root" },
{ base + 219, "mincore" },
{ base + 220, "madvise", ignoreFunc },
{ base + 221, "fcntl64", fcntl64Func },
{ base + 224, "gettid", gettidFunc },
{ base + 225, "readahead" },
{ base + 226, "setxattr" },
{ base + 227, "lsetxattr" },
{ base + 228, "fsetxattr" },
{ base + 229, "getxattr" },
{ base + 230, "lgetxattr" },
{ base + 231, "fgetxattr" },
{ base + 232, "listxattr" },
{ base + 233, "llistxattr" },
{ base + 234, "flistxattr" },
{ base + 235, "removexattr" },
{ base + 236, "lremovexattr" },
{ base + 237, "fremovexattr" },
{ base + 238, "tkill" },
{ base + 239, "sendfile64" },
{ base + 240, "futex", futexFunc<ArmLinux32> },
{ base + 241, "sched_setaffinity", ignoreWarnOnceFunc },
{ base + 242, "sched_getaffinity", ignoreFunc },
{ base + 243, "io_setup" },
{ base + 244, "io_destroy" },
{ base + 245, "io_getevents" },
{ base + 246, "io_submit" },
{ base + 247, "io_cancel" },
{ base + 248, "exit_group", exitGroupFunc },
{ base + 249, "lookup_dcookie" },
{ base + 250, "epoll_create" },
{ base + 251, "epoll_ctl" },
{ base + 252, "epoll_wait" },
{ base + 253, "remap_file_pages" },
{ base + 256, "set_tid_address", setTidAddressFunc },
{ base + 257, "timer_create" },
{ base + 258, "timer_settime" },
{ base + 259, "timer_gettime" },
{ base + 260, "timer_getoverrun" },
{ base + 261, "timer_delete" },
{ base + 262, "clock_settime" },
{ base + 263, "clock_gettime", clock_gettimeFunc<ArmLinux32> },
{ base + 264, "clock_getres", clock_getresFunc<ArmLinux32> },
{ base + 265, "clock_nanosleep" },
{ base + 266, "statfs64" },
{ base + 267, "fstatfs64" },
{ base + 268, "tgkill", tgkillFunc<ArmLinux32> },
{ base + 269, "utimes" },
{ base + 270, "arm_fadvise64_64" },
{ base + 271, "pciconfig_iobase" },
{ base + 272, "pciconfig_read" },
{ base + 273, "pciconfig_write" },
{ base + 274, "mq_open" },
{ base + 275, "mq_unlink" },
{ base + 276, "mq_timedsend" },
{ base + 277, "mq_timedreceive" },
{ base + 278, "mq_notify" },
{ base + 279, "mq_getsetattr" },
{ base + 280, "waitid" },
{ base + 281, "socket" },
{ base + 282, "bind" },
{ base + 283, "connect" },
{ base + 284, "listen" },
{ base + 285, "accept" },
{ base + 286, "getsockname" },
{ base + 287, "getpeername" },
{ base + 288, "socketpair" },
{ base + 289, "send" },
{ base + 290, "sendto" },
{ base + 291, "recv" },
{ base + 292, "recvfrom" },
{ base + 293, "shutdown" },
{ base + 294, "setsockopt" },
{ base + 295, "getsockopt" },
{ base + 296, "sendmsg" },
{ base + 297, "rcvmsg" },
{ base + 298, "semop" },
{ base + 299, "semget" },
{ base + 300, "semctl" },
{ base + 301, "msgsend" },
{ base + 302, "msgrcv" },
{ base + 303, "msgget" },
{ base + 304, "msgctl" },
{ base + 305, "shmat" },
{ base + 306, "shmdt" },
{ base + 307, "shmget" },
{ base + 308, "shmctl" },
{ base + 309, "add_key" },
{ base + 310, "request_key" },
{ base + 311, "keyctl" },
{ base + 312, "semtimedop" },
{ base + 314, "ioprio_set" },
{ base + 315, "ioprio_get" },
{ base + 316, "inotify_init" },
{ base + 317, "inotify_add_watch" },
{ base + 318, "inotify_rm_watch" },
{ base + 319, "mbind" },
{ base + 320, "get_mempolicy" },
{ base + 321, "set_mempolicy" },
{ base + 322, "openat", openatFunc<ArmLinux32> },
{ base + 323, "mkdirat" },
{ base + 324, "mknodat" },
{ base + 325, "fchownat" },
{ base + 326, "futimesat" },
{ base + 327, "fstatat64" },
{ base + 328, "unlinkat" },
{ base + 329, "renameat" },
{ base + 330, "linkat" },
{ base + 331, "symlinkat" },
{ base + 332, "readlinkat" },
{ base + 333, "fchmodat" },
{ base + 334, "faccessat" },
{ base + 335, "pselect6" },
{ base + 336, "ppoll" },
{ base + 337, "unshare" },
{ base + 338, "set_robust_list", ignoreFunc },
{ base + 339, "get_robust_list" },
{ base + 340, "splice" },
{ base + 341, "arm_sync_file_range" },
{ base + 342, "tee" },
{ base + 343, "vmsplice" },
{ base + 344, "move_pages" },
{ base + 345, "getcpu", getcpuFunc },
{ base + 346, "epoll_pwait" },
{ base + 347, "sys_kexec_load" },
{ base + 348, "sys_utimensat" },
{ base + 349, "sys_signalfd" },
{ base + 350, "sys_timerfd_create" },
{ base + 351, "sys_eventfd" },
{ base + 352, "sys_fallocate" },
{ base + 353, "sys_timerfd_settime" },
{ base + 354, "sys_timerfd_gettime" },
{ base + 355, "sys_signalfd4" },
{ base + 356, "sys_eventfd2" },
{ base + 357, "sys_epoll_create1" },
{ base + 358, "sys_dup3" },
{ base + 359, "sys_pipe2" },
{ base + 360, "sys_inotify_init1" },
{ base + 361, "sys_preadv" },
{ base + 362, "sys_pwritev" },
{ base + 363, "sys_rt_tgsigqueueinfo" },
{ base + 364, "sys_perf_event_open" },
{ base + 365, "sys_recvmmsg" },
})
{}
};
static SyscallTable32 syscallDescs32Low(0), syscallDescs32High(0x900000);
class SyscallTable64 : public SyscallDescTable<EmuLinux::SyscallABI64>
{
public:
SyscallTable64(int base) : SyscallDescTable<EmuLinux::SyscallABI64>({
{ base + 0, "io_setup" },
{ base + 1, "io_destroy" },
{ base + 2, "io_submit" },
{ base + 3, "io_cancel" },
{ base + 4, "io_getevents" },
{ base + 5, "setxattr" },
{ base + 6, "lsetxattr" },
{ base + 7, "fsetxattr" },
{ base + 8, "getxattr" },
{ base + 9, "lgetxattr" },
{ base + 10, "fgetxattr" },
{ base + 11, "listxattr" },
{ base + 12, "llistxattr" },
{ base + 13, "flistxattr" },
{ base + 14, "removexattr" },
{ base + 15, "lremovexattr" },
{ base + 16, "fremovexattr" },
{ base + 17, "getcwd", getcwdFunc },
{ base + 18, "lookup_dcookie" },
{ base + 19, "eventfd2" },
{ base + 20, "epoll_create1" },
{ base + 21, "epoll_ctl" },
{ base + 22, "epoll_pwait" },
{ base + 23, "dup", dupFunc },
{ base + 24, "dup3" },
{ base + 25, "fcntl64", fcntl64Func },
{ base + 26, "inotify_init1" },
{ base + 27, "inotify_add_watch" },
{ base + 28, "inotify_rm_watch" },
{ base + 29, "ioctl", ioctlFunc<ArmLinux64> },
{ base + 30, "ioprio_set" },
{ base + 31, "ioprio_get" },
{ base + 32, "flock" },
{ base + 33, "mknodat" },
{ base + 34, "mkdirat" },
{ base + 35, "unlinkat", unlinkatFunc<ArmLinux64> },
{ base + 36, "symlinkat" },
{ base + 37, "linkat" },
{ base + 38, "renameat", renameatFunc<ArmLinux64> },
{ base + 39, "umount2" },
{ base + 40, "mount" },
{ base + 41, "pivot_root" },
{ base + 42, "nfsservctl" },
{ base + 43, "statfs64" },
{ base + 44, "fstatfs64" },
{ base + 45, "truncate64" },
{ base + 46, "ftruncate64", ftruncate64Func },
{ base + 47, "fallocate" },
{ base + 48, "faccessat", faccessatFunc<ArmLinux64> },
{ base + 49, "chdir" },
{ base + 50, "fchdir" },
{ base + 51, "chroot" },
{ base + 52, "fchmod" },
{ base + 53, "fchmodat" },
{ base + 54, "fchownat" },
{ base + 55, "fchown" },
{ base + 56, "openat", openatFunc<ArmLinux64> },
{ base + 57, "close", closeFunc },
{ base + 58, "vhangup" },
{ base + 59, "pipe2" },
{ base + 60, "quotactl" },
#if defined(SYS_getdents64)
{ base + 61, "getdents64", getdents64Func },
#else
{ base + 61, "getdents64" },
#endif
{ base + 62, "llseek", lseekFunc },
{ base + 63, "read", readFunc<ArmLinux64> },
{ base + 64, "write", writeFunc<ArmLinux64> },
{ base + 65, "readv" },
{ base + 66, "writev", writevFunc<ArmLinux64> },
{ base + 67, "pread64" },
{ base + 68, "pwrite64" },
{ base + 69, "preadv" },
{ base + 70, "pwritev" },
{ base + 71, "sendfile64" },
{ base + 72, "pselect6" },
{ base + 73, "ppoll" },
{ base + 74, "signalfd4" },
{ base + 75, "vmsplice" },
{ base + 76, "splice" },
{ base + 77, "tee" },
{ base + 78, "readlinkat", readlinkatFunc<ArmLinux64> },
{ base + 79, "fstatat64", fstatat64Func<ArmLinux64> },
{ base + 80, "fstat64", fstat64Func<ArmLinux64> },
{ base + 81, "sync" },
{ base + 82, "fsync" },
{ base + 83, "fdatasync" },
{ base + 84, "sync_file_range" },
{ base + 85, "timerfd_create" },
{ base + 86, "timerfd_settime" },
{ base + 87, "timerfd_gettime" },
{ base + 88, "utimensat" },
{ base + 89, "acct" },
{ base + 90, "capget" },
{ base + 91, "capset" },
{ base + 92, "personality" },
{ base + 93, "exit", exitFunc },
{ base + 94, "exit_group", exitGroupFunc },
{ base + 95, "waitid" },
{ base + 96, "set_tid_address", setTidAddressFunc },
{ base + 97, "unshare" },
{ base + 98, "futex", futexFunc<ArmLinux64> },
{ base + 99, "set_robust_list", ignoreFunc },
{ base + 100, "get_robust_list" },
{ base + 101, "nanosleep", ignoreWarnOnceFunc },
{ base + 102, "getitimer" },
{ base + 103, "setitimer" },
{ base + 104, "kexec_load" },
{ base + 105, "init_module" },
{ base + 106, "delete_module" },
{ base + 107, "timer_create" },
{ base + 108, "timer_gettime" },
{ base + 109, "timer_getoverrun" },
{ base + 110, "timer_settime" },
{ base + 111, "timer_delete" },
{ base + 112, "clock_settime" },
{ base + 113, "clock_gettime", clock_gettimeFunc<ArmLinux64> },
{ base + 114, "clock_getres" },
{ base + 115, "clock_nanosleep" },
{ base + 116, "syslog" },
{ base + 117, "ptrace" },
{ base + 118, "sched_setparam", ignoreWarnOnceFunc },
{ base + 119, "sched_setscheduler", ignoreWarnOnceFunc },
{ base + 120, "sched_getscheduler", ignoreWarnOnceFunc },
{ base + 121, "sched_getparam", ignoreWarnOnceFunc },
{ base + 122, "sched_setaffinity", ignoreWarnOnceFunc },
{ base + 123, "sched_getaffinity", ignoreFunc },
{ base + 124, "sched_yield", ignoreWarnOnceFunc },
{ base + 125, "sched_get_priority_max", ignoreWarnOnceFunc },
{ base + 126, "sched_get_priority_min", ignoreWarnOnceFunc },
{ base + 127, "sched_rr_get_interval", ignoreWarnOnceFunc },
{ base + 128, "restart_syscall" },
{ base + 129, "kill", ignoreFunc },
{ base + 130, "tkill" },
{ base + 131, "tgkill", tgkillFunc<ArmLinux64> },
{ base + 132, "sigaltstack" },
{ base + 133, "rt_sigsuspend" },
{ base + 134, "rt_sigaction", ignoreFunc },
{ base + 135, "rt_sigprocmask", ignoreWarnOnceFunc },
{ base + 136, "rt_sigpending" },
{ base + 137, "rt_sigtimedwait" },
{ base + 138, "rt_sigqueueinfo", ignoreFunc },
{ base + 139, "rt_sigreturn" },
{ base + 140, "setpriority" },
{ base + 141, "getpriority" },
{ base + 142, "reboot" },
{ base + 143, "setregid" },
{ base + 144, "setgid" },
{ base + 145, "setreuid" },
{ base + 146, "setuid" },
{ base + 147, "setresuid" },
{ base + 148, "getresuid" },
{ base + 149, "setresgid" },
{ base + 150, "getresgid" },
{ base + 151, "setfsuid" },
{ base + 152, "setfsgid" },
{ base + 153, "times", timesFunc<ArmLinux64> },
{ base + 154, "setpgid" },
{ base + 155, "getpgid" },
{ base + 156, "getsid" },
{ base + 157, "setsid" },
{ base + 158, "getgroups" },
{ base + 159, "setgroups" },
{ base + 160, "uname", unameFunc64 },
{ base + 161, "sethostname", ignoreFunc },
{ base + 162, "setdomainname" },
{ base + 163, "getrlimit", getrlimitFunc<ArmLinux64> },
{ base + 164, "setrlimit", ignoreFunc },
{ base + 165, "getrusage", getrusageFunc<ArmLinux64> },
{ base + 166, "umask" },
{ base + 167, "prctl" },
{ base + 168, "getcpu", getcpuFunc },
{ base + 169, "gettimeofday", gettimeofdayFunc<ArmLinux64> },
{ base + 170, "settimeofday" },
{ base + 171, "adjtimex" },
{ base + 172, "getpid", getpidFunc },
{ base + 173, "getppid", getppidFunc },
{ base + 174, "getuid", getuidFunc },
{ base + 175, "geteuid", geteuidFunc },
{ base + 176, "getgid", getgidFunc },
{ base + 177, "getegid", getegidFunc },
{ base + 178, "gettid", gettidFunc },
{ base + 179, "sysinfo", sysinfoFunc<ArmLinux64> },
{ base + 180, "mq_open" },
{ base + 181, "mq_unlink" },
{ base + 182, "mq_timedsend" },
{ base + 183, "mq_timedreceive" },
{ base + 184, "mq_notify" },
{ base + 185, "mq_getsetattr" },
{ base + 186, "msgget" },
{ base + 187, "msgctl" },
{ base + 188, "msgrcv" },
{ base + 189, "msgsnd" },
{ base + 190, "semget" },
{ base + 191, "semctl" },
{ base + 192, "semtimedop" },
{ base + 193, "semop" },
{ base + 194, "shmget" },
{ base + 195, "shmctl" },
{ base + 196, "shmat" },
{ base + 197, "shmdt" },
{ base + 198, "socket" },
{ base + 199, "socketpair" },
{ base + 200, "bind" },
{ base + 201, "listen" },
{ base + 202, "accept" },
{ base + 203, "connect" },
{ base + 204, "getsockname" },
{ base + 205, "getpeername" },
{ base + 206, "sendto" },
{ base + 207, "recvfrom" },
{ base + 208, "setsockopt" },
{ base + 209, "getsockopt" },
{ base + 210, "shutdown" },
{ base + 211, "sendmsg" },
{ base + 212, "recvmsg" },
{ base + 213, "readahead" },
{ base + 214, "brk", brkFunc },
{ base + 215, "munmap", munmapFunc },
{ base + 216, "mremap", mremapFunc<ArmLinux64> },
{ base + 217, "add_key" },
{ base + 218, "request_key" },
{ base + 219, "keyctl" },
{ base + 220, "clone", cloneBackwardsFunc<ArmLinux64> },
{ base + 221, "execve", execveFunc<ArmLinux64> },
{ base + 222, "mmap2", mmapFunc<ArmLinux64> },
{ base + 223, "fadvise64_64" },
{ base + 224, "swapon" },
{ base + 225, "swapoff" },
{ base + 226, "mprotect", ignoreFunc },
{ base + 227, "msync" },
{ base + 228, "mlock" },
{ base + 229, "munlock" },
{ base + 230, "mlockall" },
{ base + 231, "munlockall" },
{ base + 232, "mincore" },
{ base + 233, "madvise", ignoreFunc },
{ base + 234, "remap_file_pages" },
{ base + 235, "mbind" },
{ base + 236, "get_mempolicy" },
{ base + 237, "set_mempolicy" },
{ base + 238, "migrate_pages" },
{ base + 239, "move_pages" },
{ base + 240, "rt_tgsigqueueinfo" },
{ base + 241, "perf_event_open" },
{ base + 242, "accept4" },
{ base + 243, "recvmmsg" },
{ base + 260, "wait4" },
{ base + 261, "prlimit64", prlimitFunc<ArmLinux64> },
{ base + 262, "fanotify_init" },
{ base + 263, "fanotify_mark" },
{ base + 264, "name_to_handle_at" },
{ base + 265, "open_by_handle_at" },
{ base + 266, "clock_adjtime" },
{ base + 267, "syncfs" },
{ base + 268, "setns" },
{ base + 269, "sendmmsg" },
{ base + 270, "process_vm_readv" },
{ base + 271, "process_vm_writev" },
{ base + 1024, "open", openFunc<ArmLinux64> },
{ base + 1025, "link" },
{ base + 1026, "unlink", unlinkFunc },
{ base + 1027, "mknod" },
{ base + 1028, "chmod", chmodFunc<ArmLinux64> },
{ base + 1029, "chown" },
{ base + 1030, "mkdir", mkdirFunc },
{ base + 1031, "rmdir" },
{ base + 1032, "lchown" },
{ base + 1033, "access", accessFunc },
{ base + 1034, "rename", renameFunc },
{ base + 1035, "readlink", readlinkFunc },
{ base + 1036, "symlink" },
{ base + 1037, "utimes" },
{ base + 1038, "stat64", stat64Func<ArmLinux64> },
{ base + 1039, "lstat64", lstat64Func<ArmLinux64> },
{ base + 1040, "pipe", pipePseudoFunc },
{ base + 1041, "dup2" },
{ base + 1042, "epoll_create" },
{ base + 1043, "inotify_init" },
{ base + 1044, "eventfd" },
{ base + 1045, "signalfd" },
{ base + 1046, "sendfile" },
{ base + 1047, "ftruncate", ftruncateFunc },
{ base + 1048, "truncate", truncateFunc },
{ base + 1049, "stat", statFunc<ArmLinux64> },
{ base + 1050, "lstat" },
{ base + 1051, "fstat", fstatFunc<ArmLinux64> },
{ base + 1052, "fcntl", fcntlFunc },
{ base + 1053, "fadvise64" },
{ base + 1054, "newfstatat" },
{ base + 1055, "fstatfs" },
{ base + 1056, "statfs" },
{ base + 1057, "lseek", lseekFunc },
{ base + 1058, "mmap", mmapFunc<ArmLinux64> },
{ base + 1059, "alarm" },
{ base + 1060, "getpgrp" },
{ base + 1061, "pause" },
{ base + 1062, "time", timeFunc<ArmLinux64> },
{ base + 1063, "utime" },
{ base + 1064, "creat" },
#if defined(SYS_getdents)
{ base + 1065, "getdents", getdentsFunc },
#else
{ base + 1065, "getdents" },
#endif
{ base + 1066, "futimesat" },
{ base + 1067, "select" },
{ base + 1068, "poll" },
{ base + 1069, "epoll_wait" },
{ base + 1070, "ustat" },
{ base + 1071, "vfork" },
{ base + 1072, "oldwait4" },
{ base + 1073, "recv" },
{ base + 1074, "send" },
{ base + 1075, "bdflush" },
{ base + 1076, "umount" },
{ base + 1077, "uselib" },
{ base + 1078, "_sysctl" },
{ base + 1079, "fork" }
})
{}
};
static SyscallTable64 syscallDescs64Low(0), syscallDescs64High(0x900000);
static SyscallDescTable<EmuLinux::SyscallABI32> privSyscallDescs32 = {
{ 0xf0001, "breakpoint" },
{ 0xf0002, "cacheflush" },
{ 0xf0003, "usr26" },
{ 0xf0004, "usr32" },
{ 0xf0005, "set_tls", setTLSFunc32 },
};
// Indices 1, 3 and 4 are unallocated.
static SyscallDescTable<EmuLinux::SyscallABI64> privSyscallDescs64 = {
{ 0x1002, "cacheflush" },
{ 0x1005, "set_tls", setTLSFunc64 }
};
void
EmuLinux::syscall(ThreadContext *tc)
{
Process *process = tc->getProcessPtr();
// Call the syscall function in the base Process class to update stats.
// This will move into the base SEWorkload function at some point.
process->Process::syscall(tc);
SyscallDesc *desc = nullptr;
if (dynamic_cast<ArmLinuxProcess64 *>(process)) {
int num = tc->readIntReg(INTREG_X8);
desc = syscallDescs64Low.get(num, false);
if (!desc)
desc = syscallDescs64Low.get(num, false);
if (!desc)
desc = privSyscallDescs64.get(num);
} else {
int num = tc->readIntReg(INTREG_R7);
desc = syscallDescs32Low.get(num, false);
if (!desc)
desc = syscallDescs32Low.get(num, false);
if (!desc)
desc = privSyscallDescs32.get(num);
}
assert(desc);
desc->doSyscall(tc);
}
} // namespace ArmISA
ArmISA::EmuLinux *
ArmEmuLinuxParams::create() const
{
return new ArmISA::EmuLinux(*this);
}

88
src/arch/arm/linux/se_workload.hh Normal file
View File

@@ -0,0 +1,88 @@
/*
* Copyright 2020 Google Inc.
*
* 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_LINUX_SE_WORKLOAD_HH__
#define __ARCH_ARM_LINUX_SE_WORKLOAD_HH__
#include "arch/arm/linux/linux.hh"
#include "arch/arm/registers.hh"
#include "arch/arm/se_workload.hh"
#include "params/ArmEmuLinux.hh"
#include "sim/syscall_desc.hh"
namespace ArmISA
{
class EmuLinux : public SEWorkload
{
public:
using Params = ArmEmuLinuxParams;
protected:
const Params &_params;
public:
const Params &params() const { return _params; }
EmuLinux(const Params &p) : SEWorkload(p), _params(p) {}
struct BaseSyscallABI {};
struct SyscallABI32 : public SEWorkload::SyscallABI32,
public BaseSyscallABI
{};
struct SyscallABI64 : public SEWorkload::SyscallABI64,
public BaseSyscallABI
{};
void syscall(ThreadContext *tc) override;
};
} // namespace ArmISA
namespace GuestABI
{
template <typename ABI>
struct Result<ABI, SyscallReturn,
typename std::enable_if_t<std::is_base_of<
ArmISA::EmuLinux::BaseSyscallABI, ABI>::value>>
{
static void
store(ThreadContext *tc, const SyscallReturn &ret)
{
if (ret.suppressed() || ret.needsRetry())
return;
tc->setIntReg(ArmISA::ReturnValueReg, ret.encodedValue());
if (ret.count() > 1)
tc->setIntReg(ArmISA::SyscallPseudoReturnReg, ret.value2());
}
};
} // namespace GuestABI
#endif // __ARCH_ARM_LINUX_SE_WORKLOAD_HH__

8
src/arch/arm/process.cc
View File

@@ -472,11 +472,3 @@ ArmProcess::argsInit(int pageSize, IntRegIndex spIndex)
//Align the "stackMin" to a page boundary.
memState->setStackMin(roundDown(memState->getStackMin(), pageSize));
}
const std::vector<int> ArmProcess32::SyscallABI::ArgumentRegs = {
0, 1, 2, 3, 4, 5, 6
};
const std::vector<int> ArmProcess64::SyscallABI::ArgumentRegs = {
0, 1, 2, 3, 4, 5, 6
};

46
src/arch/arm/process.hh
View File

@@ -60,7 +60,8 @@ class ArmProcess : public Process
void argsInit(int pageSize, ArmISA::IntRegIndex spIndex);
template<class IntType>
IntType armHwcap() const
IntType
armHwcap() const
{
return static_cast<IntType>(armHwcapImpl());
}
@@ -73,63 +74,28 @@ class ArmProcess : public Process
class ArmProcess32 : public ArmProcess
{
protected:
public:
ArmProcess32(const ProcessParams &params, ::Loader::ObjectFile *objFile,
::Loader::Arch _arch);
protected:
void initState() override;
/** AArch32 AT_HWCAP */
uint32_t armHwcapImpl() const override;
public:
struct SyscallABI : public GenericSyscallABI32
{
static const std::vector<int> ArgumentRegs;
};
};
namespace GuestABI
{
template <typename ABI, typename Arg>
struct Argument<ABI, Arg,
typename std::enable_if_t<
std::is_base_of<ArmProcess32::SyscallABI, ABI>::value &&
ABI::template IsWide<Arg>::value>>
{
static Arg
get(ThreadContext *tc, typename ABI::State &state)
{
// 64 bit arguments are passed starting in an even register.
if (state % 2)
state++;
panic_if(state + 1 >= ABI::ArgumentRegs.size(),
"Ran out of syscall argument registers.");
auto low = ABI::ArgumentRegs[state++];
auto high = ABI::ArgumentRegs[state++];
return (Arg)ABI::mergeRegs(tc, low, high);
}
};
} // namespace GuestABI
class ArmProcess64 : public ArmProcess
{
protected:
public:
ArmProcess64(const ProcessParams &params, ::Loader::ObjectFile *objFile,
::Loader::Arch _arch);
protected:
void initState() override;
/** AArch64 AT_HWCAP */
uint32_t armHwcapImpl() const override;
public:
struct SyscallABI : public GenericSyscallABI64
{
static const std::vector<int> ArgumentRegs;
};
};
#endif // __ARM_PROCESS_HH__

41
src/arch/arm/se_workload.cc Normal file
View File

@@ -0,0 +1,41 @@
/*
* Copyright 2020 Google Inc.
*
* 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/se_workload.hh"
namespace ArmISA
{
const std::vector<int> SEWorkload::SyscallABI32::ArgumentRegs = {
0, 1, 2, 3, 4, 5, 6
};
const std::vector<int> SEWorkload::SyscallABI64::ArgumentRegs = {
0, 1, 2, 3, 4, 5, 6
};
} // namespace ArmISA

92
src/arch/arm/se_workload.hh Normal file
View File

@@ -0,0 +1,92 @@
/*
* Copyright 2020 Google Inc.
*
* 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_SE_WORKLOAD_HH__
#define __ARCH_ARM_SE_WORKLOAD_HH__
#include "params/ArmSEWorkload.hh"
#include "sim/se_workload.hh"
#include "sim/syscall_abi.hh"
#include "sim/syscall_desc.hh"
namespace ArmISA
{
class SEWorkload : public ::SEWorkload
{
public:
using Params = ArmSEWorkloadParams;
protected:
const Params &_params;
public:
const Params &params() const { return _params; }
SEWorkload(const Params &p) : ::SEWorkload(p), _params(p) {}
::Loader::Arch getArch() const override { return ::Loader::Arm64; }
struct SyscallABI32 : public GenericSyscallABI32
{
static const std::vector<int> ArgumentRegs;
};
struct SyscallABI64 : public GenericSyscallABI64
{
static const std::vector<int> ArgumentRegs;
};
};
} // namespace ArmISA
namespace GuestABI
{
template <typename ABI, typename Arg>
struct Argument<ABI, Arg,
typename std::enable_if_t<
std::is_base_of<ArmISA::SEWorkload::SyscallABI32, ABI>::value &&
ABI::template IsWide<Arg>::value>>
{
static Arg
get(ThreadContext *tc, typename ABI::State &state)
{
// 64 bit arguments are passed starting in an even register.
if (state % 2)
state++;
panic_if(state + 1 >= ABI::ArgumentRegs.size(),
"Ran out of syscall argument registers.");
auto low = ABI::ArgumentRegs[state++];
auto high = ABI::ArgumentRegs[state++];
return (Arg)ABI::mergeRegs(tc, low, high);
}
};
} // namespace GuestABI
#endif // __ARCH_ARM_SE_WORKLOAD_HH__