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gem5/src/sim
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Boris Shingarov f7e5985e7b mem: Optionally share the backing store 
This patch adds the ability for a host-OS process external to gem5
to access the backing store via POSIX shared memory.
The new param shared_backstore of the System object is the filename
of the shared memory (i.e., the first argument to shm_open()).

Change-Id: I98c948a32a15049a4515e6c02a14595fb5fe379f
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/30994
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2020-07-08 17:42:25 +00:00
..
guest_abi
sim: Convert GuestABI example signatures to comments.
2020-05-12 16:32:09 +00:00
power
misc: Get gem5 to build with Clang 8
2020-05-13 01:55:35 +00:00
probe
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
async.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
async.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
aux_vector.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
backtrace_glibc.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
backtrace_none.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
backtrace.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
byteswap.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
byteswap.test.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
clock_domain.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
clock_domain.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
ClockDomain.py
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
clocked_object.cc
sim-power: Creation of PowerState class
2020-04-29 21:03:31 +00:00
clocked_object.hh
sim-power: Creation of PowerState class
2020-04-29 21:03:31 +00:00
ClockedObject.py
sim-power: Creation of PowerState class
2020-04-29 21:03:31 +00:00
core.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
core.hh
sim,dev: Get rid of the global retryTime constant.
2020-05-25 12:44:38 +00:00
cxx_config_ini.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
cxx_config_ini.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
cxx_config.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
cxx_config.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
cxx_manager.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
cxx_manager.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
debug.cc
sim,mem,dev: Merge eventq_impl.hh into eventq.hh.
2020-06-04 01:54:19 +00:00
debug.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
drain.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
drain.hh
misc: Tagged API methods in sim/drain.hh
2020-05-19 21:58:24 +00:00
dvfs_handler.cc
sim,mem,dev: Merge eventq_impl.hh into eventq.hh.
2020-06-04 01:54:19 +00:00
dvfs_handler.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
DVFSHandler.py
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
emul_driver.hh
sim,gpu: Make ioctl unconditionally take an address parameter.
2020-03-12 07:21:13 +00:00
eventq.cc
sim,mem,dev: Merge eventq_impl.hh into eventq.hh.
2020-06-04 01:54:19 +00:00
eventq.hh
sim,mem,dev: Merge eventq_impl.hh into eventq.hh.
2020-06-04 01:54:19 +00:00
faults.cc
sim-se: Switch to new MemState API
2020-03-25 19:18:15 +00:00
faults.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
fd_array.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
fd_array.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
fd_entry.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
fd_entry.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
full_system.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
futex_map.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
global_event.cc
misc: Make many includes explicit.
2020-06-03 19:42:46 +00:00
global_event.hh
sim,mem,dev: Merge eventq_impl.hh into eventq.hh.
2020-06-04 01:54:19 +00:00
guest_abi.hh
sim: Add an option to suppress the return value in invokeSimcall.
2020-04-30 08:47:33 +00:00
guest_abi.test.cc
sim: Add an option to suppress the return value in invokeSimcall.
2020-04-30 08:47:33 +00:00
init_signals.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
init_signals.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
init.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
init.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
insttracer.hh
sim: Add faulting flag to instruction tracing interface
2020-06-22 12:15:39 +00:00
InstTracer.py
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
kernel_workload.cc
arch,base,cpu,kerm,sim: Build a symbol table for object files.
2020-06-09 23:37:29 +00:00
kernel_workload.hh
arch,base,cpu,kerm,sim: Build a symbol table for object files.
2020-06-09 23:37:29 +00:00
linear_solver.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
linear_solver.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
main.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
mathexpr.cc
sim: Add function that returns all variables in a MathExpr
2020-04-29 21:02:32 +00:00
mathexpr.hh
sim: Add function that returns all variables in a MathExpr
2020-04-29 21:02:32 +00:00
mem_state.cc
sim: Initialize stackSize and stackMin in MemState
2020-06-19 14:19:36 +00:00
mem_state.hh
sim-se: Add special paths for MPI, libnuma, ROCm support
2020-03-25 21:55:21 +00:00
microcode_rom.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
microcode_rom.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
port.cc
sim: Add some helpers to catch and reporting using unbound ports.
2020-06-16 02:35:41 +00:00
port.hh
sim: Add some helpers to catch and reporting using unbound ports.
2020-06-16 02:35:41 +00:00
power_domain.cc
misc: Make many includes explicit.
2020-06-03 19:42:46 +00:00
power_domain.hh
sim-power: Addition of PowerDomains
2020-04-29 21:03:31 +00:00
power_state.cc
misc: Make many includes explicit.
2020-06-03 19:42:46 +00:00
power_state.hh
sim-power: Addition of PowerDomains
2020-04-29 21:03:31 +00:00
PowerDomain.py
sim-power: Addition of PowerDomains
2020-04-29 21:03:31 +00:00
PowerState.py
sim-power: Addition of PowerDomains
2020-04-29 21:03:31 +00:00
process_impl.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
process.cc
arch,cpu,dev,sim,mem: Collect System thread elements into a subclass.
2020-06-09 23:37:29 +00:00
process.hh
base,arch,sim,cpu: Move object file loader components into a namespace.
2020-04-22 06:08:54 +00:00
Process.py
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
proxy_ptr.hh
sim: Retrofit the VPtr type.
2020-07-04 17:53:54 +00:00
pseudo_inst.cc
sim: Retrofit the VPtr type.
2020-07-04 17:53:54 +00:00
pseudo_inst.hh
arm,x86,sim: Use the new return value suppression in GuestABI.
2020-05-12 16:32:09 +00:00
py_interact.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
py_interact.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
python.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
redirect_path.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
redirect_path.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
RedirectPath.py
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
root.cc
sim,mem,dev: Merge eventq_impl.hh into eventq.hh.
2020-06-04 01:54:19 +00:00
root.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
Root.py
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
SConscript
sim-power: Addition of PowerDomains
2020-04-29 21:03:31 +00:00
se_signal.cc
syscall-emul: Adds SE mode signal feature
2017-03-09 22:42:45 +00:00
se_signal.hh
syscall-emul: Adds SE mode signal feature
2017-03-09 22:42:45 +00:00
serialize.cc
misc,sim: Tagged API methods in sim/serialize.hh
2020-05-19 21:58:24 +00:00
serialize.hh
misc,sim: Tagged API methods in sim/serialize.hh
2020-05-19 21:58:24 +00:00
sim_events.cc
sim,mem,dev: Merge eventq_impl.hh into eventq.hh.
2020-06-04 01:54:19 +00:00
sim_events.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
sim_exit.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
sim_object.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
sim_object.hh
sim,mem,dev: Merge eventq_impl.hh into eventq.hh.
2020-06-04 01:54:19 +00:00
simulate.cc
sim,mem,dev: Merge eventq_impl.hh into eventq.hh.
2020-06-04 01:54:19 +00:00
simulate.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
stat_control.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
stat_control.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
stat_register.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
stat_register.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
stats.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
sub_system.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
sub_system.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
SubSystem.py
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
syscall_abi.hh
sim: Rename GuestABI's Position to State.
2020-03-12 11:14:09 +00:00
syscall_debug_macros.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
syscall_desc.cc
arch,sim: Drop the syscall number from the syscall func signature.
2020-03-20 10:04:18 +00:00
syscall_desc.hh
arch,sim: Merge Process::syscall and Process::getDesc.
2020-03-20 10:04:18 +00:00
syscall_emul_buf.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
syscall_emul.cc
arch,cpu,dev,sim,mem: Collect System thread elements into a subclass.
2020-06-09 23:37:29 +00:00
syscall_emul.hh
sim: Retrofit the VPtr type.
2020-07-04 17:53:54 +00:00
syscall_return.hh
sim: Make SyscallReturn handle extra/"pseudo" return registers.
2020-03-12 01:35:34 +00:00
system.cc
mem: Optionally share the backing store
2020-07-08 17:42:25 +00:00
system.hh
mem-ruby: Support device memories
2020-07-01 14:38:11 +00:00
System.py
mem: Optionally share the backing store
2020-07-08 17:42:25 +00:00
ticked_object.cc
sim: Fix the Ticked class constructor's event wrapper.
2020-05-25 21:21:33 +00:00
ticked_object.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
TickedObject.py
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
vma.cc
sim-se: Implement Virtual Memory Area API
2020-03-19 14:24:19 +00:00
vma.hh
sim-se: Implement Virtual Memory Area API
2020-03-19 14:24:19 +00:00
voltage_domain.cc
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
voltage_domain.hh
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
VoltageDomain.py
sim: Delete authors lists from files in sim.
2020-02-18 03:34:31 +00:00
workload.hh
arch,kern,sim: Move the stats in Kernel::Statistics to Workload.
2020-06-17 19:54:13 +00:00
Workload.py
arch,sim,kern,dev,cpu: Create a Workload SimObject.
2020-04-22 00:22:28 +00:00