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author | Sibi Sankar <sibis@codeaurora.org> | 2018-10-17 19:25:27 +0530 |
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committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2018-10-19 12:54:03 -0700 |
commit | f18b7e914fd2ed5e8b5733644cefcf62f7582679 (patch) | |
tree | c0991e0f0becd41d04ef15ea11f23aed8e8abe50 /drivers/remoteproc | |
parent | 7dd8ade24dc2a35e683c5eccdb81ee9e279b0348 (diff) | |
download | linux-stable-f18b7e914fd2ed5e8b5733644cefcf62f7582679.tar.gz linux-stable-f18b7e914fd2ed5e8b5733644cefcf62f7582679.tar.bz2 linux-stable-f18b7e914fd2ed5e8b5733644cefcf62f7582679.zip |
remoteproc: qcom: q6v5-mss: Register segments/dumpfn for coredump
Register the MDT segments, custom dumpfn and private data with the
remoteproc core dump functionality.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/remoteproc')
-rw-r--r-- | drivers/remoteproc/qcom_q6v5_mss.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index b50edc8ccb47..01be7314e176 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -1064,10 +1064,52 @@ static void *q6v5_da_to_va(struct rproc *rproc, u64 da, int len) return qproc->mpss_region + offset; } +static int qcom_q6v5_register_dump_segments(struct rproc *rproc, + const struct firmware *mba_fw) +{ + const struct firmware *fw; + const struct elf32_phdr *phdrs; + const struct elf32_phdr *phdr; + const struct elf32_hdr *ehdr; + struct q6v5 *qproc = rproc->priv; + unsigned long i; + int ret; + + ret = request_firmware(&fw, "modem.mdt", qproc->dev); + if (ret < 0) { + dev_err(qproc->dev, "unable to load modem.mdt\n"); + return ret; + } + + ehdr = (struct elf32_hdr *)fw->data; + phdrs = (struct elf32_phdr *)(ehdr + 1); + qproc->dump_complete_mask = 0; + + for (i = 0; i < ehdr->e_phnum; i++) { + phdr = &phdrs[i]; + + if (!q6v5_phdr_valid(phdr)) + continue; + + ret = rproc_coredump_add_custom_segment(rproc, phdr->p_paddr, + phdr->p_memsz, + qcom_q6v5_dump_segment, + (void *)i); + if (ret) + break; + + qproc->dump_complete_mask |= BIT(i); + } + + release_firmware(fw); + return ret; +} + static const struct rproc_ops q6v5_ops = { .start = q6v5_start, .stop = q6v5_stop, .da_to_va = q6v5_da_to_va, + .parse_fw = qcom_q6v5_register_dump_segments, .load = q6v5_load, }; |