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remoteproc: Introduce custom dump function for each remoteproc segment

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Introduce custom dump function and private data per remoteproc dump
segment. The dump function is responsible for filling the device memory
segment associated with coredump

Signed-off-by: Sibi Sankar <[email protected]>
Signed-off-by: Bjorn Andersson <[email protected]>
This commit is contained in:
Sibi Sankar 2018-10-17 19:25:23 +05:30 • committed by Bjorn Andersson
commit 3952105df4
2 changed files with 17 additions and 7 deletions
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18
drivers/remoteproc/remoteproc_core.c
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@ -1508,14 +1508,18 @@ static void rproc_coredump(struct rproc *rproc)
phdr->p_flags = PF_R | PF_W | PF_X;
phdr->p_align = 0;
ptr = rproc_da_to_va(rproc, segment->da, segment->size);
if (!ptr) {
dev_err(&rproc->dev,
"invalid coredump segment (%pad, %zu)\n",
&segment->da, segment->size);
memset(data + offset, 0xff, segment->size);
if (segment->dump) {
segment->dump(rproc, segment, data + offset);
} else {
memcpy(data + offset, ptr, segment->size);
ptr = rproc_da_to_va(rproc, segment->da, segment->size);
if (!ptr) {
dev_err(&rproc->dev,
"invalid coredump segment (%pad, %zu)\n",
&segment->da, segment->size);
memset(data + offset, 0xff, segment->size);
} else {
memcpy(data + offset, ptr, segment->size);
}
}
offset += phdr->p_filesz;