From: Karol Trzcinski karolx.trzcinski@linux.intel.com
Log information about used compilator and optimization level in sof firmware to host system. It will be helful to catch some compiler dependent bugs.
Signed-off-by: Karol Trzcinski karolx.trzcinski@linux.intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/sof/loader.c | 39 +++++++++++++++++++++++++++++++++++++++ sound/soc/sof/sof-priv.h | 1 + 2 files changed, 40 insertions(+)
diff --git a/sound/soc/sof/loader.c b/sound/soc/sof/loader.c index 31847aa3975d..235be4fc0862 100644 --- a/sound/soc/sof/loader.c +++ b/sound/soc/sof/loader.c @@ -32,6 +32,42 @@ static int get_ext_windows(struct snd_sof_dev *sdev, return 0; }
+static int get_cc_info(struct snd_sof_dev *sdev, + struct sof_ipc_ext_data_hdr *ext_hdr) +{ + int ret; + + struct sof_ipc_cc_version *cc = + container_of(ext_hdr, struct sof_ipc_cc_version, ext_hdr); + + dev_dbg(sdev->dev, "Firmware info: used compiler %s %d:%d:%d%s used optimization flags %s\n", + cc->name, cc->major, cc->minor, cc->micro, cc->desc, + cc->optim); + + /* create read-only cc_version debugfs to store compiler version info */ + /* use local copy of the cc_version to prevent data corruption */ + if (sdev->first_boot) { + sdev->cc_version = devm_kmalloc(sdev->dev, cc->ext_hdr.hdr.size, + GFP_KERNEL); + + if (!sdev->cc_version) + return -ENOMEM; + + memcpy(sdev->cc_version, cc, cc->ext_hdr.hdr.size); + ret = snd_sof_debugfs_buf_item(sdev, sdev->cc_version, + cc->ext_hdr.hdr.size, + "cc_version", 0444); + + /* errors are only due to memory allocation, not debugfs */ + if (ret < 0) { + dev_err(sdev->dev, "error: snd_sof_debugfs_buf_item failed\n"); + return ret; + } + } + + return 0; +} + /* parse the extended FW boot data structures from FW boot message */ int snd_sof_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 bar, u32 offset) { @@ -65,6 +101,9 @@ int snd_sof_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 bar, u32 offset) case SOF_IPC_EXT_WINDOW: ret = get_ext_windows(sdev, ext_hdr); break; + case SOF_IPC_EXT_CC_INFO: + ret = get_cc_info(sdev, ext_hdr); + break; default: dev_warn(sdev->dev, "warning: unknown ext header type %d size 0x%x\n", ext_hdr->type, ext_hdr->hdr.size); diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h index 220b35141c34..3f1e1eb7c55f 100644 --- a/sound/soc/sof/sof-priv.h +++ b/sound/soc/sof/sof-priv.h @@ -361,6 +361,7 @@ struct snd_sof_dev { struct snd_dma_buffer dmab_bdl; struct sof_ipc_fw_ready fw_ready; struct sof_ipc_fw_version fw_version; + struct sof_ipc_cc_version *cc_version;
/* topology */ struct snd_soc_tplg_ops *tplg_ops;