From: Karol Trzcinski <karolx.trzcinski@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
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;
--
2.20.1
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