diff options
| author | Clement Leger <cleger@kalray.eu> | 2020-04-10 12:24:32 +0200 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2020-04-19 22:53:02 -0700 |
| commit | 418fd78771220f5e522d02676758ed824c349fd5 (patch) | |
| tree | f9d8d3eb995dd481a573d5a4389fefd0a484d825 /drivers/remoteproc | |
| parent | 4df4f8be8b3e9ce807ba47c030893d711abe6ee3 (diff) | |
| download | linux-418fd78771220f5e522d02676758ed824c349fd5.tar.gz | |
remoteproc: add rproc_coredump_set_elf_info
This function allows drivers to correctly setup the coredump output elf information. Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Clement Leger <cleger@kalray.eu> Link: https://lore.kernel.org/r/20200410102433.2672-2-cleger@kalray.eu Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/remoteproc')
| -rw-r--r-- | drivers/remoteproc/remoteproc_core.c | 32 | ||||
| -rw-r--r-- | drivers/remoteproc/remoteproc_elf_loader.c | 3 |
2 files changed, 30 insertions, 5 deletions
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 9899467fa1cf..d9e6949e4ac1 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -1566,6 +1566,28 @@ int rproc_coredump_add_custom_segment(struct rproc *rproc, EXPORT_SYMBOL(rproc_coredump_add_custom_segment); /** + * rproc_coredump_set_elf_info() - set coredump elf information + * @rproc: handle of a remote processor + * @class: elf class for coredump elf file + * @machine: elf machine for coredump elf file + * + * Set elf information which will be used for coredump elf file. + * + * Return: 0 on success, negative errno on error. + */ +int rproc_coredump_set_elf_info(struct rproc *rproc, u8 class, u16 machine) +{ + if (class != ELFCLASS64 && class != ELFCLASS32) + return -EINVAL; + + rproc->elf_class = class; + rproc->elf_machine = machine; + + return 0; +} +EXPORT_SYMBOL(rproc_coredump_set_elf_info); + +/** * rproc_coredump() - perform coredump * @rproc: rproc handle * @@ -1587,6 +1609,11 @@ static void rproc_coredump(struct rproc *rproc) if (list_empty(&rproc->dump_segments)) return; + if (class == ELFCLASSNONE) { + dev_err(&rproc->dev, "Elf class is not set\n"); + return; + } + data_size = elf_size_of_hdr(class); list_for_each_entry(segment, &rproc->dump_segments, node) { data_size += elf_size_of_phdr(class) + segment->size; @@ -1605,7 +1632,7 @@ static void rproc_coredump(struct rproc *rproc) elf_hdr_init_ident(ehdr, class); elf_hdr_set_e_type(class, ehdr, ET_CORE); - elf_hdr_set_e_machine(class, ehdr, EM_NONE); + elf_hdr_set_e_machine(class, ehdr, rproc->elf_machine); elf_hdr_set_e_version(class, ehdr, EV_CURRENT); elf_hdr_set_e_entry(class, ehdr, rproc->bootaddr); elf_hdr_set_e_phoff(class, ehdr, elf_size_of_hdr(class)); @@ -2047,7 +2074,8 @@ struct rproc *rproc_alloc(struct device *dev, const char *name, rproc->name = name; rproc->priv = &rproc[1]; rproc->auto_boot = true; - rproc->elf_class = ELFCLASS32; + rproc->elf_class = ELFCLASSNONE; + rproc->elf_machine = EM_NONE; device_initialize(&rproc->dev); rproc->dev.parent = dev; diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c index 16e2c496fd45..4869fb7d8fe4 100644 --- a/drivers/remoteproc/remoteproc_elf_loader.c +++ b/drivers/remoteproc/remoteproc_elf_loader.c @@ -248,9 +248,6 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw) memset(ptr + filesz, 0, memsz - filesz); } - if (ret == 0) - rproc->elf_class = class; - return ret; } EXPORT_SYMBOL(rproc_elf_load_segments); |