Hi Lokesh
I have successfully tested this patch for stm32_copro. BR Fabien On 04/09/2019 12:31 PM, Lokesh Vutla wrote: > Introduce a new parameter "size" that accepts size of the region to > remoteproc ops callback device_to_virt(). This can enforce more checks > on the region that device_to_virt() is dealing with. > > Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com> Tested-by: Fabien Dessenne <fabien.desse...@st.com> Reviewed-by: Fabien Dessenne <fabien.desse...@st.com> > --- > drivers/remoteproc/rproc-elf-loader.c | 3 ++- > drivers/remoteproc/sandbox_testproc.c | 4 +++- > drivers/remoteproc/stm32_copro.c | 12 ++++++++++-- > include/remoteproc.h | 3 ++- > 4 files changed, 17 insertions(+), 5 deletions(-) > > diff --git a/drivers/remoteproc/rproc-elf-loader.c > b/drivers/remoteproc/rproc-elf-loader.c > index 67937a7595..7574ba3fb3 100644 > --- a/drivers/remoteproc/rproc-elf-loader.c > +++ b/drivers/remoteproc/rproc-elf-loader.c > @@ -86,7 +86,8 @@ int rproc_elf32_load_image(struct udevice *dev, unsigned > long addr) > continue; > > if (ops->device_to_virt) > - dst = ops->device_to_virt(dev, (ulong)dst); > + dst = ops->device_to_virt(dev, (ulong)dst, > + phdr->p_memsz); > > dev_dbg(dev, "Loading phdr %i to 0x%p (%i bytes)\n", > i, dst, phdr->p_filesz); > diff --git a/drivers/remoteproc/sandbox_testproc.c > b/drivers/remoteproc/sandbox_testproc.c > index 5f35119ab7..eeee49c4dd 100644 > --- a/drivers/remoteproc/sandbox_testproc.c > +++ b/drivers/remoteproc/sandbox_testproc.c > @@ -306,9 +306,11 @@ static int sandbox_testproc_ping(struct udevice *dev) > * sandbox_testproc_device_to_virt() - Convert device address to virtual > address > * @dev: device to operate upon > * @da: device address > + * @size: Size of the memory region @da is pointing to > * @return converted virtual address > */ > -static void *sandbox_testproc_device_to_virt(struct udevice *dev, ulong da) > +static void *sandbox_testproc_device_to_virt(struct udevice *dev, ulong da, > + ulong size) > { > u64 paddr; > > diff --git a/drivers/remoteproc/stm32_copro.c > b/drivers/remoteproc/stm32_copro.c > index ad941f67e8..71895daf9c 100644 > --- a/drivers/remoteproc/stm32_copro.c > +++ b/drivers/remoteproc/stm32_copro.c > @@ -107,11 +107,13 @@ static int stm32_copro_set_hold_boot(struct udevice > *dev, bool hold) > * stm32_copro_device_to_virt() - Convert device address to virtual address > * @dev: corresponding STM32 remote processor device > * @da: device address > + * @size: Size of the memory region @da is pointing to > * @return converted virtual address > */ > -static void *stm32_copro_device_to_virt(struct udevice *dev, ulong da) > +static void *stm32_copro_device_to_virt(struct udevice *dev, ulong da, > + ulong size) > { > - fdt32_t in_addr = cpu_to_be32(da); > + fdt32_t in_addr = cpu_to_be32(da), end_addr; > u64 paddr; > > paddr = dev_translate_dma_address(dev, &in_addr); > @@ -120,6 +122,12 @@ static void *stm32_copro_device_to_virt(struct udevice > *dev, ulong da) > return NULL; > } > > + end_addr = cpu_to_be32(da + size - 1); > + if (dev_translate_dma_address(dev, &end_addr) == OF_BAD_ADDR) { > + dev_err(dev, "Unable to convert address %ld\n", da + size - 1); > + return NULL; > + } > + > return phys_to_virt(paddr); > } > > diff --git a/include/remoteproc.h b/include/remoteproc.h > index 4987194905..dbff1ce3cf 100644 > --- a/include/remoteproc.h > +++ b/include/remoteproc.h > @@ -122,9 +122,10 @@ struct dm_rproc_ops { > * > * @dev: Remote proc device > * @da: Device address > + * @size: Size of the memory region @da is pointing to > * @return virtual address. > */ > - void * (*device_to_virt)(struct udevice *dev, ulong da); > + void * (*device_to_virt)(struct udevice *dev, ulong da, ulong size); > }; > > /* Accessor */ _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot