From 856c0ad413f52d20963ef6b0fe982a0ca91086f2 Mon Sep 17 00:00:00 2001 From: Lokesh Vutla Date: Wed, 4 Sep 2019 16:01:30 +0530 Subject: remoteproc: elf_loader: Introduce a common elf loader and checker functions Introduce a common remoteproc elf loader and checker functions that automatically detects the 64 bit elf file or 32 bit elf file and loads/checks the sections accordingly. Signed-off-by: Lokesh Vutla Reviewed-by: Fabien Dessenne --- include/remoteproc.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'include') diff --git a/include/remoteproc.h b/include/remoteproc.h index 56a11db6e31..812e0f47c4b 100644 --- a/include/remoteproc.h +++ b/include/remoteproc.h @@ -226,6 +226,19 @@ int rproc_elf32_sanity_check(ulong addr, ulong size); */ int rproc_elf64_sanity_check(ulong addr, ulong size); +/** + * rproc_elf_sanity_check() - Verify if an image is a valid ELF one + * + * Check if a valid ELF image exists at the given memory location. Auto + * detects ELF32/ELF64 and verifies basic ELF64/ELF32 format requirements + * like magic number and sections size. + * + * @addr: address of the image to verify + * @size: size of the image + * @return 0 if the image looks good, else appropriate error value. + */ +int rproc_elf_sanity_check(ulong addr, ulong size); + /** * rproc_elf32_load_image() - load an ELF32 image * @dev: device loading the ELF32 image @@ -243,6 +256,17 @@ int rproc_elf32_load_image(struct udevice *dev, unsigned long addr, ulong size); * @return 0 if the image is successfully loaded, else appropriate error value. */ int rproc_elf64_load_image(struct udevice *dev, ulong addr, ulong size); + +/** + * rproc_elf_load_image() - load an ELF image + * @dev: device loading the ELF image + * @addr: valid ELF image address + * @size: size of the image + * + * Auto detects if the image is ELF32 or ELF64 image and load accordingly. + * @return 0 if the image is successfully loaded, else appropriate error value. + */ +int rproc_elf_load_image(struct udevice *dev, unsigned long addr, ulong size); #else static inline int rproc_init(void) { return -ENOSYS; } static inline int rproc_dev_init(int id) { return -ENOSYS; } @@ -257,12 +281,17 @@ static inline int rproc_elf32_sanity_check(ulong addr, ulong size) { return -ENOSYS; } static inline int rproc_elf64_sanity_check(ulong addr, ulong size) { return -ENOSYS; } +static inline int rproc_elf_sanity_check(ulong addr, + ulong size) { return -ENOSYS; } static inline int rproc_elf32_load_image(struct udevice *dev, unsigned long addr, ulong size) { return -ENOSYS; } static inline int rproc_elf64_load_image(struct udevice *dev, ulong addr, ulong size) { return -ENOSYS; } +static inline int rproc_elf_load_image(struct udevice *dev, ulong addr, + ulong size) +{ return -ENOSYS; } #endif #endif /* _RPROC_H_ */ -- cgit v1.2.3