f46c9ddbfb
Although the binary ROM blob and MMIO trace will be placed in gem5-resources later as 'golden' versions, the scripts are added to provide instructions for power users of Full System amdgpu that may want to recreate the files themselves or use a GPU other than the Vega10 GPU currently modeled. Change-Id: Ica7ef3b9820b30be32a148ce6cf1d2f81dc2adf9 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/46162 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Matt Sinclair <mattdsinclair@gmail.com>
68 lines
2.7 KiB
Bash
Executable File
68 lines
2.7 KiB
Bash
Executable File
# Copyright (c) 2021 Advanced Micro Devices, Inc.
|
||
# All rights reserved.
|
||
#
|
||
# For use for simulation and test purposes only
|
||
#
|
||
# Redistribution and use in source and binary forms, with or without
|
||
# modification, are permitted provided that the following conditions are met:
|
||
#
|
||
# 1. Redistributions of source code must retain the above copyright notice,
|
||
# this list of conditions and the following disclaimer.
|
||
#
|
||
# 2. 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.
|
||
#
|
||
# 3. Neither the name of the copyright holder 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 HOLDER 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.
|
||
|
||
|
||
# This script collects the MMIO trace during initialization of GPU driver.
|
||
# Before running this, we need to disable the drm module in use.
|
||
# For AMD GPUs do either:
|
||
# echo 'blacklist amdgpu' >> /etc/modprobe.d/blacklist.conf
|
||
# or
|
||
# add 'modprobe.blacklist=amdgpu' to your kernel command
|
||
# And then reboot.
|
||
|
||
# First load the drm_kms_helper with fbdev_emulation=0
|
||
modprobe drm_kms_helper fbdev_emulation=0
|
||
|
||
# Path to store the trace
|
||
TRACE_PATH="MMIO.trace"
|
||
|
||
# Choose propoer size to make sure you won’t miss any events
|
||
BUFFER_SIZE=8000
|
||
|
||
DRM_MODULE="amdgpu"
|
||
DRM_MODULE_ARGS="ip_block_mask=0xff"
|
||
|
||
# Setup MMIO tracer
|
||
echo $BUFFER_SIZE > /sys/kernel/debug/tracing/buffer_size_kb
|
||
echo mmiotrace > /sys/kernel/debug/tracing/current_tracer
|
||
|
||
# Re-direct the output to a file, process in background
|
||
cat /sys/kernel/debug/tracing/trace_pipe > $TRACE_PATH &
|
||
# Save the process ID, as we need to kill it later on
|
||
PID=$!
|
||
|
||
# Insert the module, start driver initialization
|
||
echo "Running: modprobe -v $DRM_MODULE $DRM_MODULE_ARGS"
|
||
modprobe -v $DRM_MODULE $DRM_MODULE_ARGS
|
||
|
||
# Kill the background process after module is loaded
|
||
kill $PID
|