Re: [PATCH v5 5/8] remoteproc: Rename rproc_elf_sanity_check for elf32

Bjorn Andersson
2020-03-02T23:13:50Z

On Mon 02 Mar 01:38 PST 2020, Clement Leger wrote:

> Since this function will be modified to support both elf32 and elf64,
> rename the existing one to elf32 (which is the only supported format
> at the moment). This will allow not to introduce possible side effect
> when adding elf64 support (ie: all backends will still support only
> elf32 if not requested explicitely using rproc_elf_sanity_check).
>

Is there a reason for preventing ELF64 binaries be loaded?

Regards,
Bjorn

> Signed-off-by: Clement Leger <cleger@kalray.eu>
> ---
> drivers/remoteproc/remoteproc_core.c | 2 +-
> drivers/remoteproc/remoteproc_elf_loader.c | 6 +++---
> drivers/remoteproc/remoteproc_internal.h | 2 +-
> drivers/remoteproc/st_remoteproc.c | 2 +-
> drivers/remoteproc/st_slim_rproc.c | 2 +-
> drivers/remoteproc/stm32_rproc.c | 2 +-
> 6 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
> index 4bfaf4a3c4a3..99f0b796fbc7 100644
> --- a/drivers/remoteproc/remoteproc_core.c
> +++ b/drivers/remoteproc/remoteproc_core.c
> @@ -2055,7 +2055,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
> rproc->ops->load = rproc_elf_load_segments;
> rproc->ops->parse_fw = rproc_elf_load_rsc_table;
> rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
> - rproc->ops->sanity_check = rproc_elf_sanity_check;
> + rproc->ops->sanity_check = rproc_elf32_sanity_check;
> rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
> }
>
> diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
> index c2a9783cfb9a..5a67745f2638 100644
> --- a/drivers/remoteproc/remoteproc_elf_loader.c
> +++ b/drivers/remoteproc/remoteproc_elf_loader.c
> @@ -25,13 +25,13 @@
> #include "remoteproc_internal.h"
>
> /**
> - * rproc_elf_sanity_check() - Sanity Check ELF firmware image
> + * rproc_elf_sanity_check() - Sanity Check ELF32 firmware image
> * @rproc: the remote processor handle
> * @fw: the ELF firmware image
> *
> * Make sure this fw image is sane.
> */
> -int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw)
> +int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw)
> {
> const char *name = rproc->firmware;
> struct device *dev = &rproc->dev;
> @@ -89,7 +89,7 @@ int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw)
>
> return 0;
> }
> -EXPORT_SYMBOL(rproc_elf_sanity_check);
> +EXPORT_SYMBOL(rproc_elf32_sanity_check);
>
> /**
> * rproc_elf_get_boot_addr() - Get rproc's boot address.
> diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
> index 0deae5f237b8..28639c588d58 100644
> --- a/drivers/remoteproc/remoteproc_internal.h
> +++ b/drivers/remoteproc/remoteproc_internal.h
> @@ -54,7 +54,7 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
> phys_addr_t rproc_va_to_pa(void *cpu_addr);
> int rproc_trigger_recovery(struct rproc *rproc);
>
> -int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
> +int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw);
> u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
> int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
> int rproc_elf_load_rsc_table(struct rproc *rproc, const struct firmware *fw);
> diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
> index a3268d95a50e..a6cbfa452764 100644
> --- a/drivers/remoteproc/st_remoteproc.c
> +++ b/drivers/remoteproc/st_remoteproc.c
> @@ -233,7 +233,7 @@ static const struct rproc_ops st_rproc_ops = {
> .parse_fw = st_rproc_parse_fw,
> .load = rproc_elf_load_segments,
> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
> - .sanity_check = rproc_elf_sanity_check,
> + .sanity_check = rproc_elf32_sanity_check,
> .get_boot_addr = rproc_elf_get_boot_addr,
> };
>
> diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
> index 09bcb4d8b9e0..3cca8b65a8db 100644
> --- a/drivers/remoteproc/st_slim_rproc.c
> +++ b/drivers/remoteproc/st_slim_rproc.c
> @@ -203,7 +203,7 @@ static const struct rproc_ops slim_rproc_ops = {
> .da_to_va = slim_rproc_da_to_va,
> .get_boot_addr = rproc_elf_get_boot_addr,
> .load = rproc_elf_load_segments,
> - .sanity_check = rproc_elf_sanity_check,
> + .sanity_check = rproc_elf32_sanity_check,
> };
>
> /**
> diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
> index a18f88044111..9a8b5f5e2572 100644
> --- a/drivers/remoteproc/stm32_rproc.c
> +++ b/drivers/remoteproc/stm32_rproc.c
> @@ -505,7 +505,7 @@ static struct rproc_ops st_rproc_ops = {
> .load = rproc_elf_load_segments,
> .parse_fw = stm32_rproc_parse_fw,
> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
> - .sanity_check = rproc_elf_sanity_check,
> + .sanity_check = rproc_elf32_sanity_check,
> .get_boot_addr = rproc_elf_get_boot_addr,
> };
>
> --
> 2.15.0.276.g89ea799
>