Hi Lokesh
On 04/09/2019 12:31 PM, Lokesh Vutla wrote:
rproc_elf32_load_image() rely on user to send a valid address for elf loading. Instead do a sanity check on the address passed by user. This will help all rproc elf users to not call sanity_check explicitly before calling elf_loading.
Signed-off-by: Lokesh Vutla lokeshvutla@ti.com
Reviewed-by: Fabien Dessenne fabien.dessenne@st.com
drivers/remoteproc/rproc-elf-loader.c | 11 ++++++++--- drivers/remoteproc/stm32_copro.c | 9 +-------- include/remoteproc.h | 6 ++++-- test/dm/remoteproc.c | 5 +---- 4 files changed, 14 insertions(+), 17 deletions(-)
diff --git a/drivers/remoteproc/rproc-elf-loader.c b/drivers/remoteproc/rproc-elf-loader.c index 7574ba3fb3..238f51d3b5 100644 --- a/drivers/remoteproc/rproc-elf-loader.c +++ b/drivers/remoteproc/rproc-elf-loader.c @@ -64,13 +64,18 @@ int rproc_elf32_sanity_check(ulong addr, ulong size) return 0; }
-/* A very simple elf loader, assumes the image is valid */ -int rproc_elf32_load_image(struct udevice *dev, unsigned long addr) +int rproc_elf32_load_image(struct udevice *dev, unsigned long addr, ulong size) { Elf32_Ehdr *ehdr; /* Elf header structure pointer */ Elf32_Phdr *phdr; /* Program header structure pointer */ const struct dm_rproc_ops *ops;
- unsigned int i;
unsigned int i, ret;
ret = rproc_elf32_sanity_check(addr, size);
if (ret) {
dev_err(dev, "Invalid ELF32 Image %d\n", ret);return ret;}
ehdr = (Elf32_Ehdr *)addr; phdr = (Elf32_Phdr *)(addr + ehdr->e_phoff);
diff --git a/drivers/remoteproc/stm32_copro.c b/drivers/remoteproc/stm32_copro.c index 71895daf9c..40bba37211 100644 --- a/drivers/remoteproc/stm32_copro.c +++ b/drivers/remoteproc/stm32_copro.c @@ -155,14 +155,7 @@ static int stm32_copro_load(struct udevice *dev, ulong addr, ulong size) return ret; }
- /* Support only ELF32 image */
- ret = rproc_elf32_sanity_check(addr, size);
- if (ret) {
dev_err(dev, "Invalid ELF32 image (%d)\n", ret);return ret;- }
- return rproc_elf32_load_image(dev, addr);
return rproc_elf32_load_image(dev, addr, size); }
/**
diff --git a/include/remoteproc.h b/include/remoteproc.h index dbff1ce3cf..1ef88be7f7 100644 --- a/include/remoteproc.h +++ b/include/remoteproc.h @@ -218,9 +218,10 @@ int rproc_elf32_sanity_check(ulong addr, ulong size);
- rproc_elf32_load_image() - load an ELF32 image
- @dev: device loading the ELF32 image
- @addr: valid ELF32 image address
*/
- @size: size of the image
- @return 0 if the image is successfully loaded, else appropriate error value.
-int rproc_elf32_load_image(struct udevice *dev, unsigned long addr); +int rproc_elf32_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; } @@ -234,7 +235,8 @@ static inline int rproc_is_running(int id) { return -ENOSYS; } static inline int rproc_elf32_sanity_check(ulong addr, ulong size) { return -ENOSYS; } static inline int rproc_elf32_load_image(struct udevice *dev,
unsigned long addr) { return -ENOSYS; }
unsigned long addr, ulong size)+{ return -ENOSYS; } #endif
#endif /* _RPROC_H_ */ diff --git a/test/dm/remoteproc.c b/test/dm/remoteproc.c index a2c4be7c27..c77361c8f4 100644 --- a/test/dm/remoteproc.c +++ b/test/dm/remoteproc.c @@ -171,11 +171,8 @@ static int dm_test_remoteproc_elf(struct unit_test_state *uts) ut_assertnonnull(loaded_firmware); memset(loaded_firmware, 0, loaded_firmware_size);
- /* Verify valid ELF format */
- ut_assertok(rproc_elf32_sanity_check((ulong)valid_elf32, size));
- /* Load firmware in loaded_firmware, and verify it */
- ut_assertok(rproc_elf32_load_image(dev, (unsigned long)valid_elf32));
- ut_assertok(rproc_elf32_load_image(dev, (ulong)valid_elf32, size)); ut_assertok(memcmp(loaded_firmware, valid_elf32, loaded_firmware_size)); unmap_physmem(loaded_firmware, MAP_NOCACHE);